W: ftp://ftp.kernel.org/pub/linux/docs/manpages
S: Maintained
-MARVELL MV64340 ETHERNET DRIVER
+MARVELL MV643XX ETHERNET DRIVER
+P: Dale Farnsworth
+M: dale@farnsworth.org
P: Manish Lachwani
-L: linux-mips@linux-mips.org
+M: mlachwani@mvista.com
L: netdev@vger.kernel.org
-S: Supported
+S: Odd Fixes for 2.4; Maintained for 2.6.
MATROX FRAMEBUFFER DRIVER
P: Petr Vandrovec
/* Setup paramaters for syncing RX/TX DMA descriptors */
dma_desc_align_mask = ~(dma_desc_align_size - 1);
- dma_desc_sync_size = max(dma_desc_align_size, sizeof(struct dma_desc));
+ dma_desc_sync_size = max_t(unsigned int, dma_desc_align_size, sizeof(struct dma_desc));
return pci_module_init(&b44_driver);
}
/*******************************************************************************
-
+
Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
-
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at your option)
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at your option)
any later version.
-
- This program is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+
+ This program is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
-
+
You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc., 59
+ this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
+
The full GNU General Public License is included in this distribution in the
file called LICENSE.
-
+
Contact Information:
Linux NICS <linux.nics@intel.com>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
#define DRV_NAME "e100"
#define DRV_EXT "-NAPI"
-#define DRV_VERSION "3.4.14-k4"DRV_EXT
+#define DRV_VERSION "3.5.10-k2"DRV_EXT
#define DRV_DESCRIPTION "Intel(R) PRO/100 Network Driver"
#define DRV_COPYRIGHT "Copyright(c) 1999-2005 Intel Corporation"
#define PFX DRV_NAME ": "
cuc_dump_complete = 0x0000A005,
cuc_dump_reset_complete = 0x0000A007,
};
-
+
enum port {
software_reset = 0x0000,
selftest = 0x0001,
ctrl = (cmd_addr_data & (1 << i)) ? eecs | eedi : eecs;
writeb(ctrl, &nic->csr->eeprom_ctrl_lo);
e100_write_flush(nic); udelay(4);
-
+
writeb(ctrl | eesk, &nic->csr->eeprom_ctrl_lo);
e100_write_flush(nic); udelay(4);
-
+
/* Eeprom drives a dummy zero to EEDO after receiving
* complete address. Use this to adjust addr_len. */
ctrl = readb(&nic->csr->eeprom_ctrl_lo);
*addr_len -= (i - 16);
i = 17;
}
-
+
data = (data << 1) | (ctrl & eedo ? 1 : 0);
}
0x00000000, 0x00000000, 0x00000000, 0x00000000, \
}
-static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
+static void e100_setup_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
{
/* *INDENT-OFF* */
static struct {
* driver can change the algorithm.
*
* INTDELAY - This loads the dead-man timer with its inital value.
-* When this timer expires the interrupt is asserted, and the
+* When this timer expires the interrupt is asserted, and the
* timer is reset each time a new packet is received. (see
* BUNDLEMAX below to set the limit on number of chained packets)
* The current default is 0x600 or 1536. Experiments show that
* the value should probably stay within the 0x200 - 0x1000.
*
-* BUNDLEMAX -
+* BUNDLEMAX -
* This sets the maximum number of frames that will be bundled. In
* some situations, such as the TCP windowing algorithm, it may be
* better to limit the growth of the bundle size than let it go as
* an interrupt for every frame received. If you do not want to put
* a limit on the bundle size, set this value to xFFFF.
*
-* BUNDLESMALL -
+* BUNDLESMALL -
* This contains a bit-mask describing the minimum size frame that
* will be bundled. The default masks the lower 7 bits, which means
* that any frame less than 128 bytes in length will not be bundled,
*
* The current default is 0xFF80, which masks out the lower 7 bits.
* This means that any frame which is x7F (127) bytes or smaller
-* will cause an immediate interrupt. Because this value must be a
+* will cause an immediate interrupt. Because this value must be a
* bit mask, there are only a few valid values that can be used. To
* turn this feature off, the driver can write the value xFFFF to the
* lower word of this instruction (in the same way that the other
* standard Ethernet frames are <= 2047 bytes in length.
*************************************************************************/
-/* if you wish to disable the ucode functionality, while maintaining the
+/* if you wish to disable the ucode functionality, while maintaining the
* workarounds it provides, set the following defines to:
* BUNDLESMALL 0
* BUNDLEMAX 1
for (i = 0; i < UCODE_SIZE; i++)
cb->u.ucode[i] = cpu_to_le32(ucode[i]);
- cb->command = cpu_to_le16(cb_ucode);
+ cb->command = cpu_to_le16(cb_ucode | cb_el);
return;
}
noloaducode:
- cb->command = cpu_to_le16(cb_nop);
+ cb->command = cpu_to_le16(cb_nop | cb_el);
+}
+
+static inline int e100_exec_cb_wait(struct nic *nic, struct sk_buff *skb,
+ void (*cb_prepare)(struct nic *, struct cb *, struct sk_buff *))
+{
+ int err = 0, counter = 50;
+ struct cb *cb = nic->cb_to_clean;
+
+ if ((err = e100_exec_cb(nic, NULL, e100_setup_ucode)))
+ DPRINTK(PROBE,ERR, "ucode cmd failed with error %d\n", err);
+
+ /* must restart cuc */
+ nic->cuc_cmd = cuc_start;
+
+ /* wait for completion */
+ e100_write_flush(nic);
+ udelay(10);
+
+ /* wait for possibly (ouch) 500ms */
+ while (!(cb->status & cpu_to_le16(cb_complete))) {
+ msleep(10);
+ if (!--counter) break;
+ }
+
+ /* ack any interupts, something could have been set */
+ writeb(~0, &nic->csr->scb.stat_ack);
+
+ /* if the command failed, or is not OK, notify and return */
+ if (!counter || !(cb->status & cpu_to_le16(cb_ok))) {
+ DPRINTK(PROBE,ERR, "ucode load failed\n");
+ err = -EPERM;
+ }
+
+ return err;
}
static void e100_setup_iaaddr(struct nic *nic, struct cb *cb,
mdio_write(netdev, nic->mii.phy_id, MII_NSC_CONG, cong);
}
- if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
+ if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
(mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000))) {
/* enable/disable MDI/MDI-X auto-switching.
MDI/MDI-X auto-switching is disabled for 82551ER/QM chips */
if((nic->mac == mac_82551_E) || (nic->mac == mac_82551_F) ||
- (nic->mac == mac_82551_10) || (nic->mii.force_media) ||
- !(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))
+ (nic->mac == mac_82551_10) || (nic->mii.force_media) ||
+ !(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))
mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, 0);
else
mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG, NCONFIG_AUTO_SWITCH);
return err;
if((err = e100_exec_cmd(nic, ruc_load_base, 0)))
return err;
- if((err = e100_exec_cb(nic, NULL, e100_load_ucode)))
+ if ((err = e100_exec_cb_wait(nic, NULL, e100_setup_ucode)))
return err;
if((err = e100_exec_cb(nic, NULL, e100_configure)))
return err;
}
}
-
+
if(e100_exec_cmd(nic, cuc_dump_reset, 0))
DPRINTK(TX_ERR, DEBUG, "exec cuc_dump_reset failed\n");
}
mii_check_link(&nic->mii);
/* Software generated interrupt to recover from (rare) Rx
- * allocation failure.
- * Unfortunately have to use a spinlock to not re-enable interrupts
- * accidentally, due to hardware that shares a register between the
- * interrupt mask bit and the SW Interrupt generation bit */
+ * allocation failure.
+ * Unfortunately have to use a spinlock to not re-enable interrupts
+ * accidentally, due to hardware that shares a register between the
+ * interrupt mask bit and the SW Interrupt generation bit */
spin_lock_irq(&nic->cmd_lock);
writeb(readb(&nic->csr->scb.cmd_hi) | irq_sw_gen,&nic->csr->scb.cmd_hi);
spin_unlock_irq(&nic->cmd_lock);
struct rx *rx_to_start = NULL;
/* are we already rnr? then pay attention!!! this ensures that
- * the state machine progression never allows a start with a
+ * the state machine progression never allows a start with a
* partially cleaned list, avoiding a race between hardware
* and rx_to_clean when in NAPI mode */
if(RU_SUSPENDED == nic->ru_running)
{
struct nic *nic = netdev_priv(netdev);
- /* Reset outside of interrupt context, to avoid request_irq
+ /* Reset outside of interrupt context, to avoid request_irq
* in interrupt context */
schedule_work(&nic->tx_timeout_task);
}
struct param_range *rfds = &nic->params.rfds;
struct param_range *cbs = &nic->params.cbs;
- if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
+ if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
if(netif_running(netdev))
nic->flags |= wol_magic;
/* ack any pending wake events, disable PME */
- pci_enable_wake(pdev, 0, 0);
+ err = pci_enable_wake(pdev, 0, 0);
+ if (err)
+ DPRINTK(PROBE, ERR, "Error clearing wake event\n");
strcpy(netdev->name, "eth%d");
if((err = register_netdev(netdev))) {
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct nic *nic = netdev_priv(netdev);
+ int retval;
if(netif_running(netdev))
e100_down(nic);
netif_device_detach(netdev);
pci_save_state(pdev);
- pci_enable_wake(pdev, pci_choose_state(pdev, state), nic->flags & (wol_magic | e100_asf(nic)));
+ retval = pci_enable_wake(pdev, pci_choose_state(pdev, state),
+ nic->flags & (wol_magic | e100_asf(nic)));
+ if (retval)
+ DPRINTK(PROBE,ERR, "Error enabling wake\n");
pci_disable_device(pdev);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ retval = pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ if (retval)
+ DPRINTK(PROBE,ERR, "Error %d setting power state\n", retval);
return 0;
}
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct nic *nic = netdev_priv(netdev);
+ int retval;
- pci_set_power_state(pdev, PCI_D0);
+ retval = pci_set_power_state(pdev, PCI_D0);
+ if (retval)
+ DPRINTK(PROBE,ERR, "Error waking adapter\n");
pci_restore_state(pdev);
/* ack any pending wake events, disable PME */
- pci_enable_wake(pdev, 0, 0);
+ retval = pci_enable_wake(pdev, 0, 0);
+ if (retval)
+ DPRINTK(PROBE,ERR, "Error clearing wake events\n");
if(e100_hw_init(nic))
DPRINTK(HW, ERR, "e100_hw_init failed\n");
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct nic *nic = netdev_priv(netdev);
+ int retval;
#ifdef CONFIG_PM
- pci_enable_wake(pdev, 0, nic->flags & (wol_magic | e100_asf(nic)));
+ retval = pci_enable_wake(pdev, 0, nic->flags & (wol_magic | e100_asf(nic)));
#else
- pci_enable_wake(pdev, 0, nic->flags & (wol_magic));
+ retval = pci_enable_wake(pdev, 0, nic->flags & (wol_magic));
#endif
+ if (retval)
+ DPRINTK(PROBE,ERR, "Error enabling wake\n");
}
.suspend = e100_suspend,
.resume = e100_resume,
#endif
- .shutdown = e100_shutdown,
+ .shutdown = e100_shutdown,
};
static int __init e100_init_module(void)
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
-#ifdef CONFIG_E1000_MQ
-#include <linux/cpu.h>
-#include <linux/smp.h>
-#endif
#define BAR_0 0
#define BAR_1 1
struct e1000_adapter;
#include "e1000_hw.h"
+#ifdef CONFIG_E1000_MQ
+#include <linux/cpu.h>
+#include <linux/smp.h>
+#endif
#ifdef DBG
#define E1000_DBG(args...) printk(KERN_DEBUG "e1000: " args)
uint16_t next_to_watch;
};
+#ifdef CONFIG_E1000_MQ
+struct e1000_queue_stats {
+ uint64_t packets;
+ uint64_t bytes;
+};
+#endif
+
struct e1000_ps_page { struct page *ps_page[PS_PAGE_BUFFERS]; };
struct e1000_ps_page_dma { uint64_t ps_page_dma[PS_PAGE_BUFFERS]; };
spinlock_t tx_lock;
uint16_t tdh;
uint16_t tdt;
- uint64_t pkt;
boolean_t last_tx_tso;
+#ifdef CONFIG_E1000_MQ
+ struct e1000_queue_stats tx_stats;
+#endif
};
struct e1000_rx_ring {
struct e1000_ps_page *ps_page;
struct e1000_ps_page_dma *ps_page_dma;
+ struct sk_buff *rx_skb_top;
+ struct sk_buff *rx_skb_prev;
+
+ /* cpu for rx queue */
+ int cpu;
+
uint16_t rdh;
uint16_t rdt;
- uint64_t pkt;
+#ifdef CONFIG_E1000_MQ
+ struct e1000_queue_stats rx_stats;
+#endif
};
#define E1000_DESC_UNUSED(R) \
uint16_t link_speed;
uint16_t link_duplex;
spinlock_t stats_lock;
+#ifdef CONFIG_E1000_NAPI
+ spinlock_t tx_queue_lock;
+#endif
atomic_t irq_sem;
struct work_struct tx_timeout_task;
struct work_struct watchdog_task;
#ifdef CONFIG_E1000_MQ
struct e1000_tx_ring **cpu_tx_ring; /* per-cpu */
#endif
+ unsigned long tx_queue_len;
uint32_t txd_cmd;
uint32_t tx_int_delay;
uint32_t tx_abs_int_delay;
uint64_t gotcl_old;
uint64_t tpt_old;
uint64_t colc_old;
+ uint32_t tx_timeout_count;
uint32_t tx_fifo_head;
uint32_t tx_head_addr;
uint32_t tx_fifo_size;
+ uint8_t tx_timeout_factor;
atomic_t tx_fifo_stall;
boolean_t pcix_82544;
boolean_t detect_tx_hung;
/* RX */
#ifdef CONFIG_E1000_NAPI
boolean_t (*clean_rx) (struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring,
- int *work_done, int work_to_do);
+ struct e1000_rx_ring *rx_ring,
+ int *work_done, int work_to_do);
#else
boolean_t (*clean_rx) (struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring);
+ struct e1000_rx_ring *rx_ring);
#endif
void (*alloc_rx_buf) (struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring);
+ struct e1000_rx_ring *rx_ring,
+ int cleaned_count);
struct e1000_rx_ring *rx_ring; /* One per active queue */
#ifdef CONFIG_E1000_NAPI
struct net_device *polling_netdev; /* One per active queue */
#ifdef CONFIG_E1000_MQ
struct net_device **cpu_netdev; /* per-cpu */
struct call_async_data_struct rx_sched_call_data;
- int cpu_for_queue[4];
+ cpumask_t cpumask;
#endif
- int num_queues;
+ int num_tx_queues;
+ int num_rx_queues;
uint64_t hw_csum_err;
uint64_t hw_csum_good;
uint64_t rx_hdr_split;
+ uint32_t alloc_rx_buff_failed;
uint32_t rx_int_delay;
uint32_t rx_abs_int_delay;
boolean_t rx_csum;
struct e1000_rx_ring test_rx_ring;
+ u32 *config_space;
int msg_enable;
#ifdef CONFIG_PCI_MSI
boolean_t have_msi;
{ "tx_deferred_ok", E1000_STAT(stats.dc) },
{ "tx_single_coll_ok", E1000_STAT(stats.scc) },
{ "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
+ { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
{ "rx_long_length_errors", E1000_STAT(stats.roc) },
{ "rx_short_length_errors", E1000_STAT(stats.ruc) },
{ "rx_align_errors", E1000_STAT(stats.algnerrc) },
{ "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
{ "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
{ "rx_header_split", E1000_STAT(rx_hdr_split) },
+ { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
};
-#define E1000_STATS_LEN \
+
+#ifdef CONFIG_E1000_MQ
+#define E1000_QUEUE_STATS_LEN \
+ (((struct e1000_adapter *)netdev->priv)->num_tx_queues + \
+ ((struct e1000_adapter *)netdev->priv)->num_rx_queues) \
+ * (sizeof(struct e1000_queue_stats) / sizeof(uint64_t))
+#else
+#define E1000_QUEUE_STATS_LEN 0
+#endif
+#define E1000_GLOBAL_STATS_LEN \
sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
+#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
"Register test (offline)", "Eeprom test (offline)",
"Interrupt test (offline)", "Loopback test (offline)",
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- if(ecmd->autoneg == AUTONEG_ENABLE) {
+ /* When SoL/IDER sessions are active, autoneg/speed/duplex
+ * cannot be changed */
+ if (e1000_check_phy_reset_block(hw)) {
+ DPRINTK(DRV, ERR, "Cannot change link characteristics "
+ "when SoL/IDER is active.\n");
+ return -EINVAL;
+ }
+
+ if (ecmd->autoneg == AUTONEG_ENABLE) {
hw->autoneg = 1;
if(hw->media_type == e1000_media_type_fiber)
hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
strncpy(drvinfo->driver, e1000_driver_name, 32);
strncpy(drvinfo->version, e1000_driver_version, 32);
-
- /* EEPROM image version # is reported as firware version # for
+
+ /* EEPROM image version # is reported as firmware version # for
* 8257{1|2|3} controllers */
e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data);
switch (adapter->hw.mac_type) {
case e1000_82571:
case e1000_82572:
case e1000_82573:
- sprintf(firmware_version, "%d.%d-%d",
+ sprintf(firmware_version, "%d.%d-%d",
(eeprom_data & 0xF000) >> 12,
(eeprom_data & 0x0FF0) >> 4,
eeprom_data & 0x000F);
break;
default:
- sprintf(firmware_version, "n/a");
+ sprintf(firmware_version, "N/A");
}
strncpy(drvinfo->fw_version, firmware_version, 32);
struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
int i, err, tx_ring_size, rx_ring_size;
- tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_queues;
- rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_queues;
+ tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
+ rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
if (netif_running(adapter->netdev))
e1000_down(adapter);
E1000_MAX_TXD : E1000_MAX_82544_TXD));
E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
- for (i = 0; i < adapter->num_queues; i++) {
+ for (i = 0; i < adapter->num_tx_queues; i++)
txdr[i].count = txdr->count;
+ for (i = 0; i < adapter->num_rx_queues; i++)
rxdr[i].count = rxdr->count;
- }
if(netif_running(adapter->netdev)) {
/* Try to get new resources before deleting old */
}
}
- if(txdr->desc) {
+ if (txdr->desc) {
pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
txdr->desc = NULL;
}
- if(rxdr->desc) {
+ if (rxdr->desc) {
pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
rxdr->desc = NULL;
}
kfree(txdr->buffer_info);
txdr->buffer_info = NULL;
-
kfree(rxdr->buffer_info);
rxdr->buffer_info = NULL;
static int
e1000_setup_loopback_test(struct e1000_adapter *adapter)
{
- uint32_t rctl;
struct e1000_hw *hw = &adapter->hw;
+ uint32_t rctl;
if (hw->media_type == e1000_media_type_fiber ||
- hw->media_type == e1000_media_type_internal_serdes) {
+ hw->media_type == e1000_media_type_internal_serdes) {
switch (hw->mac_type) {
case e1000_82545:
case e1000_82546:
static void
e1000_loopback_cleanup(struct e1000_adapter *adapter)
{
+ struct e1000_hw *hw = &adapter->hw;
uint32_t rctl;
uint16_t phy_reg;
- struct e1000_hw *hw = &adapter->hw;
- rctl = E1000_READ_REG(&adapter->hw, RCTL);
+ rctl = E1000_READ_REG(hw, RCTL);
rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
- E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
+ E1000_WRITE_REG(hw, RCTL, rctl);
switch (hw->mac_type) {
case e1000_82571:
case e1000_82572:
if (hw->media_type == e1000_media_type_fiber ||
- hw->media_type == e1000_media_type_internal_serdes){
+ hw->media_type == e1000_media_type_internal_serdes) {
#define E1000_SERDES_LB_OFF 0x400
E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
msec_delay(10);
break;
}
- /* fall thru for Cu adapters */
+ /* Fall Through */
case e1000_82545:
case e1000_82546:
case e1000_82545_rev_3:
e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
memset(skb->data, 0xFF, frame_size);
- frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
+ frame_size &= ~1;
memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
static int
e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
- frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
+ frame_size &= ~1;
if(*(skb->data + 3) == 0xFF) {
if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
(*(skb->data + frame_size / 2 + 12) == 0xAF)) {
static int
e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
{
- if((*data = e1000_setup_desc_rings(adapter))) goto err_loopback;
- if((*data = e1000_setup_loopback_test(adapter)))
- goto err_loopback_setup;
+ /* PHY loopback cannot be performed if SoL/IDER
+ * sessions are active */
+ if (e1000_check_phy_reset_block(&adapter->hw)) {
+ DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
+ "when SoL/IDER is active.\n");
+ *data = 0;
+ goto out;
+ }
+
+ if ((*data = e1000_setup_desc_rings(adapter)))
+ goto out;
+ if ((*data = e1000_setup_loopback_test(adapter)))
+ goto err_loopback;
*data = e1000_run_loopback_test(adapter);
e1000_loopback_cleanup(adapter);
-err_loopback_setup:
- e1000_free_desc_rings(adapter);
+
err_loopback:
+ e1000_free_desc_rings(adapter);
+out:
return *data;
}
case E1000_DEV_ID_82546EB_FIBER:
case E1000_DEV_ID_82546GB_FIBER:
+ case E1000_DEV_ID_82571EB_FIBER:
/* Wake events only supported on port A for dual fiber */
if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
wol->supported = 0;
case E1000_DEV_ID_82546EB_FIBER:
case E1000_DEV_ID_82546GB_FIBER:
+ case E1000_DEV_ID_82571EB_FIBER:
/* Wake events only supported on port A for dual fiber */
if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
return wol->wolopts ? -EOPNOTSUPP : 0;
mod_timer(&adapter->blink_timer, jiffies);
msleep_interruptible(data * 1000);
del_timer_sync(&adapter->blink_timer);
- }
- else if(adapter->hw.mac_type < e1000_82573) {
- E1000_WRITE_REG(&adapter->hw, LEDCTL, (E1000_LEDCTL_LED2_BLINK_RATE |
- E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
- (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
- (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
- (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
+ } else if (adapter->hw.mac_type < e1000_82573) {
+ E1000_WRITE_REG(&adapter->hw, LEDCTL,
+ (E1000_LEDCTL_LED2_BLINK_RATE |
+ E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
+ (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
+ (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
+ (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
msleep_interruptible(data * 1000);
- }
- else {
- E1000_WRITE_REG(&adapter->hw, LEDCTL, (E1000_LEDCTL_LED2_BLINK_RATE |
- E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
- (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
- (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
- (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
+ } else {
+ E1000_WRITE_REG(&adapter->hw, LEDCTL,
+ (E1000_LEDCTL_LED2_BLINK_RATE |
+ E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
+ (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
+ (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
+ (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
msleep_interruptible(data * 1000);
}
struct ethtool_stats *stats, uint64_t *data)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
+#ifdef CONFIG_E1000_MQ
+ uint64_t *queue_stat;
+ int stat_count = sizeof(struct e1000_queue_stats) / sizeof(uint64_t);
+ int j, k;
+#endif
int i;
e1000_update_stats(adapter);
- for(i = 0; i < E1000_STATS_LEN; i++) {
- char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
- data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
+ for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
+ char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
+ data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
}
+#ifdef CONFIG_E1000_MQ
+ for (j = 0; j < adapter->num_tx_queues; j++) {
+ queue_stat = (uint64_t *)&adapter->tx_ring[j].tx_stats;
+ for (k = 0; k < stat_count; k++)
+ data[i + k] = queue_stat[k];
+ i += k;
+ }
+ for (j = 0; j < adapter->num_rx_queues; j++) {
+ queue_stat = (uint64_t *)&adapter->rx_ring[j].rx_stats;
+ for (k = 0; k < stat_count; k++)
+ data[i + k] = queue_stat[k];
+ i += k;
+ }
+#endif
+/* BUG_ON(i != E1000_STATS_LEN); */
}
static void
e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
{
+#ifdef CONFIG_E1000_MQ
+ struct e1000_adapter *adapter = netdev_priv(netdev);
+#endif
+ uint8_t *p = data;
int i;
switch(stringset) {
E1000_TEST_LEN*ETH_GSTRING_LEN);
break;
case ETH_SS_STATS:
- for (i=0; i < E1000_STATS_LEN; i++) {
- memcpy(data + i * ETH_GSTRING_LEN,
- e1000_gstrings_stats[i].stat_string,
- ETH_GSTRING_LEN);
+ for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
+ memcpy(p, e1000_gstrings_stats[i].stat_string,
+ ETH_GSTRING_LEN);
+ p += ETH_GSTRING_LEN;
+ }
+#ifdef CONFIG_E1000_MQ
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ sprintf(p, "tx_queue_%u_packets", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "tx_queue_%u_bytes", i);
+ p += ETH_GSTRING_LEN;
}
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ sprintf(p, "rx_queue_%u_packets", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "rx_queue_%u_bytes", i);
+ p += ETH_GSTRING_LEN;
+ }
+#endif
+/* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
break;
}
}
case E1000_DEV_ID_82546GB_FIBER:
case E1000_DEV_ID_82546GB_SERDES:
case E1000_DEV_ID_82546GB_PCIE:
+ case E1000_DEV_ID_82546GB_QUAD_COPPER:
+ case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
hw->mac_type = e1000_82546_rev_3;
break;
case E1000_DEV_ID_82541EI:
uint16_t cmd_mmrbc;
uint16_t stat_mmrbc;
uint32_t mta_size;
+ uint32_t ctrl_ext;
DEBUGFUNC("e1000_init_hw");
break;
case e1000_82571:
case e1000_82572:
- ctrl |= (1 << 22);
case e1000_82573:
ctrl |= E1000_TXDCTL_COUNT_DESC;
break;
*/
e1000_clear_hw_cntrs(hw);
+ if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER ||
+ hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) {
+ ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
+ /* Relaxed ordering must be disabled to avoid a parity
+ * error crash in a PCI slot. */
+ ctrl_ext |= E1000_CTRL_EXT_RO_DIS;
+ E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
+ }
+
return ret_val;
}
DEBUGFUNC("e1000_setup_link");
+ /* In the case of the phy reset being blocked, we already have a link.
+ * We do not have to set it up again. */
+ if (e1000_check_phy_reset_block(hw))
+ return E1000_SUCCESS;
+
/* Read and store word 0x0F of the EEPROM. This word contains bits
* that determine the hardware's default PAUSE (flow control) mode,
* a bit that determines whether the HW defaults to enabling or
void
e1000_config_collision_dist(struct e1000_hw *hw)
{
- uint32_t tctl;
+ uint32_t tctl, coll_dist;
DEBUGFUNC("e1000_config_collision_dist");
+ if (hw->mac_type < e1000_82543)
+ coll_dist = E1000_COLLISION_DISTANCE_82542;
+ else
+ coll_dist = E1000_COLLISION_DISTANCE;
+
tctl = E1000_READ_REG(hw, TCTL);
tctl &= ~E1000_TCTL_COLD;
- tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT;
+ tctl |= coll_dist << E1000_COLD_SHIFT;
E1000_WRITE_REG(hw, TCTL, tctl);
E1000_WRITE_FLUSH(hw);
if (hw->mac_type < e1000_82571)
msec_delay(10);
+ else
+ udelay(100);
E1000_WRITE_REG(hw, CTRL, ctrl);
E1000_WRITE_FLUSH(hw);
return -E1000_ERR_EEPROM;
}
- /* FLASH reads without acquiring the semaphore are safe in 82573-based
- * controllers.
- */
- if ((e1000_is_onboard_nvm_eeprom(hw) == TRUE) ||
- (hw->mac_type != e1000_82573)) {
- /* Prepare the EEPROM for reading */
- if(e1000_acquire_eeprom(hw) != E1000_SUCCESS)
- return -E1000_ERR_EEPROM;
+ /* FLASH reads without acquiring the semaphore are safe */
+ if (e1000_is_onboard_nvm_eeprom(hw) == TRUE &&
+ hw->eeprom.use_eerd == FALSE) {
+ switch (hw->mac_type) {
+ default:
+ /* Prepare the EEPROM for reading */
+ if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
+ return -E1000_ERR_EEPROM;
+ break;
+ }
}
if(eeprom->use_eerd == TRUE) {
break;
}
+ /* PHY configuration from NVM just starts after EECD_AUTO_RD sets to high.
+ * Need to wait for PHY configuration completion before accessing NVM
+ * and PHY. */
+ if (hw->mac_type == e1000_82573)
+ msec_delay(25);
+
return E1000_SUCCESS;
}
#define E1000_DEV_ID_82546GB_FIBER 0x107A
#define E1000_DEV_ID_82546GB_SERDES 0x107B
#define E1000_DEV_ID_82546GB_PCIE 0x108A
+#define E1000_DEV_ID_82546GB_QUAD_COPPER 0x1099
#define E1000_DEV_ID_82547EI 0x1019
#define E1000_DEV_ID_82571EB_COPPER 0x105E
#define E1000_DEV_ID_82571EB_FIBER 0x105F
#define E1000_DEV_ID_82573E 0x108B
#define E1000_DEV_ID_82573E_IAMT 0x108C
#define E1000_DEV_ID_82573L 0x109A
+#define E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3 0x10B5
#define NODE_ADDRESS_SIZE 6
#define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */
#define E1000_CTRL_EXT_IPS 0x00004000 /* Invert Power State */
#define E1000_CTRL_EXT_SPD_BYPS 0x00008000 /* Speed Select Bypass */
+#define E1000_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */
#define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
#define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000
#define E1000_CTRL_EXT_LINK_MODE_TBI 0x00C00000
#define E1000_MDALIGN 4096
+/* PCI-Ex registers */
+
+/* PCI-Ex Control Register */
+#define E1000_GCR_RXD_NO_SNOOP 0x00000001
+#define E1000_GCR_RXDSCW_NO_SNOOP 0x00000002
+#define E1000_GCR_RXDSCR_NO_SNOOP 0x00000004
+#define E1000_GCR_TXD_NO_SNOOP 0x00000008
+#define E1000_GCR_TXDSCW_NO_SNOOP 0x00000010
+#define E1000_GCR_TXDSCR_NO_SNOOP 0x00000020
+
+#define PCI_EX_NO_SNOOP_ALL (E1000_GCR_RXD_NO_SNOOP | \
+ E1000_GCR_RXDSCW_NO_SNOOP | \
+ E1000_GCR_RXDSCR_NO_SNOOP | \
+ E1000_GCR TXD_NO_SNOOP | \
+ E1000_GCR_TXDSCW_NO_SNOOP | \
+ E1000_GCR_TXDSCR_NO_SNOOP)
+
#define E1000_GCR_L1_ACT_WITHOUT_L0S_RX 0x08000000
/* Function Active and Power State to MNG */
#define E1000_FACTPS_FUNC0_POWER_STATE_MASK 0x00000003
/* Collision related configuration parameters */
#define E1000_COLLISION_THRESHOLD 15
#define E1000_CT_SHIFT 4
-#define E1000_COLLISION_DISTANCE 64
+/* Collision distance is a 0-based value that applies to
+ * half-duplex-capable hardware only. */
+#define E1000_COLLISION_DISTANCE 63
+#define E1000_COLLISION_DISTANCE_82542 64
#define E1000_FDX_COLLISION_DISTANCE E1000_COLLISION_DISTANCE
#define E1000_HDX_COLLISION_DISTANCE E1000_COLLISION_DISTANCE
#define E1000_COLD_SHIFT 12
#else
#define DRIVERNAPI "-NAPI"
#endif
-#define DRV_VERSION "6.1.16-k2"DRIVERNAPI
+#define DRV_VERSION "6.3.9-k2"DRIVERNAPI
char e1000_driver_version[] = DRV_VERSION;
static char e1000_copyright[] = "Copyright (c) 1999-2005 Intel Corporation.";
INTEL_E1000_ETHERNET_DEVICE(0x108A),
INTEL_E1000_ETHERNET_DEVICE(0x108B),
INTEL_E1000_ETHERNET_DEVICE(0x108C),
+ INTEL_E1000_ETHERNET_DEVICE(0x1099),
INTEL_E1000_ETHERNET_DEVICE(0x109A),
+ INTEL_E1000_ETHERNET_DEVICE(0x10B5),
/* required last entry */
{0,}
};
struct e1000_rx_ring *rx_ring);
#endif
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring);
+ struct e1000_rx_ring *rx_ring,
+ int cleaned_count);
static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring);
+ struct e1000_rx_ring *rx_ring,
+ int cleaned_count);
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
int cmd);
}
}
}
-
+
+/**
+ * e1000_release_hw_control - release control of the h/w to f/w
+ * @adapter: address of board private structure
+ *
+ * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
+ * For ASF and Pass Through versions of f/w this means that the
+ * driver is no longer loaded. For AMT version (only with 82573) i
+ * of the f/w this means that the netowrk i/f is closed.
+ *
+ **/
+
+static inline void
+e1000_release_hw_control(struct e1000_adapter *adapter)
+{
+ uint32_t ctrl_ext;
+ uint32_t swsm;
+
+ /* Let firmware taken over control of h/w */
+ switch (adapter->hw.mac_type) {
+ case e1000_82571:
+ case e1000_82572:
+ ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
+ E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
+ ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
+ break;
+ case e1000_82573:
+ swsm = E1000_READ_REG(&adapter->hw, SWSM);
+ E1000_WRITE_REG(&adapter->hw, SWSM,
+ swsm & ~E1000_SWSM_DRV_LOAD);
+ default:
+ break;
+ }
+}
+
+/**
+ * e1000_get_hw_control - get control of the h/w from f/w
+ * @adapter: address of board private structure
+ *
+ * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
+ * For ASF and Pass Through versions of f/w this means that
+ * the driver is loaded. For AMT version (only with 82573)
+ * of the f/w this means that the netowrk i/f is open.
+ *
+ **/
+
+static inline void
+e1000_get_hw_control(struct e1000_adapter *adapter)
+{
+ uint32_t ctrl_ext;
+ uint32_t swsm;
+ /* Let firmware know the driver has taken over */
+ switch (adapter->hw.mac_type) {
+ case e1000_82571:
+ case e1000_82572:
+ ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
+ E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
+ ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
+ break;
+ case e1000_82573:
+ swsm = E1000_READ_REG(&adapter->hw, SWSM);
+ E1000_WRITE_REG(&adapter->hw, SWSM,
+ swsm | E1000_SWSM_DRV_LOAD);
+ break;
+ default:
+ break;
+ }
+}
+
int
e1000_up(struct e1000_adapter *adapter)
{
e1000_configure_tx(adapter);
e1000_setup_rctl(adapter);
e1000_configure_rx(adapter);
- for (i = 0; i < adapter->num_queues; i++)
- adapter->alloc_rx_buf(adapter, &adapter->rx_ring[i]);
+ /* call E1000_DESC_UNUSED which always leaves
+ * at least 1 descriptor unused to make sure
+ * next_to_use != next_to_clean */
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ struct e1000_rx_ring *ring = &adapter->rx_ring[i];
+ adapter->alloc_rx_buf(adapter, ring,
+ E1000_DESC_UNUSED(ring));
+ }
#ifdef CONFIG_PCI_MSI
if(adapter->hw.mac_type > e1000_82547_rev_2) {
return err;
}
+#ifdef CONFIG_E1000_MQ
+ e1000_setup_queue_mapping(adapter);
+#endif
+
+ adapter->tx_queue_len = netdev->tx_queue_len;
+
mod_timer(&adapter->watchdog_timer, jiffies);
#ifdef CONFIG_E1000_NAPI
e1000_down(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
+ boolean_t mng_mode_enabled = (adapter->hw.mac_type >= e1000_82571) &&
+ e1000_check_mng_mode(&adapter->hw);
e1000_irq_disable(adapter);
#ifdef CONFIG_E1000_MQ
#ifdef CONFIG_E1000_NAPI
netif_poll_disable(netdev);
#endif
+ netdev->tx_queue_len = adapter->tx_queue_len;
adapter->link_speed = 0;
adapter->link_duplex = 0;
netif_carrier_off(netdev);
e1000_clean_all_tx_rings(adapter);
e1000_clean_all_rx_rings(adapter);
- /* If WoL is not enabled and management mode is not IAMT
- * Power down the PHY so no link is implied when interface is down */
- if(!adapter->wol && adapter->hw.mac_type >= e1000_82540 &&
+ /* Power down the PHY so no link is implied when interface is down *
+ * The PHY cannot be powered down if any of the following is TRUE *
+ * (a) WoL is enabled
+ * (b) AMT is active
+ * (c) SoL/IDER session is active */
+ if (!adapter->wol && adapter->hw.mac_type >= e1000_82540 &&
adapter->hw.media_type == e1000_media_type_copper &&
- !e1000_check_mng_mode(&adapter->hw) &&
- !(E1000_READ_REG(&adapter->hw, MANC) & E1000_MANC_SMBUS_EN)) {
+ !(E1000_READ_REG(&adapter->hw, MANC) & E1000_MANC_SMBUS_EN) &&
+ !mng_mode_enabled &&
+ !e1000_check_phy_reset_block(&adapter->hw)) {
uint16_t mii_reg;
e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg);
mii_reg |= MII_CR_POWER_DOWN;
void
e1000_reset(struct e1000_adapter *adapter)
{
- struct net_device *netdev = adapter->netdev;
uint32_t pba, manc;
uint16_t fc_high_water_mark = E1000_FC_HIGH_DIFF;
- uint16_t fc_low_water_mark = E1000_FC_LOW_DIFF;
/* Repartition Pba for greater than 9k mtu
* To take effect CTRL.RST is required.
}
if((adapter->hw.mac_type != e1000_82573) &&
- (adapter->rx_buffer_len > E1000_RXBUFFER_8192)) {
+ (adapter->netdev->mtu > E1000_RXBUFFER_8192))
pba -= 8; /* allocate more FIFO for Tx */
- /* send an XOFF when there is enough space in the
- * Rx FIFO to hold one extra full size Rx packet
- */
- fc_high_water_mark = netdev->mtu + ENET_HEADER_SIZE +
- ETHERNET_FCS_SIZE + 1;
- fc_low_water_mark = fc_high_water_mark + 8;
- }
if(adapter->hw.mac_type == e1000_82547) {
E1000_WRITE_REG(&adapter->hw, PBA, pba);
/* flow control settings */
- adapter->hw.fc_high_water = (pba << E1000_PBA_BYTES_SHIFT) -
- fc_high_water_mark;
- adapter->hw.fc_low_water = (pba << E1000_PBA_BYTES_SHIFT) -
- fc_low_water_mark;
+ /* Set the FC high water mark to 90% of the FIFO size.
+ * Required to clear last 3 LSB */
+ fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
+
+ adapter->hw.fc_high_water = fc_high_water_mark;
+ adapter->hw.fc_low_water = fc_high_water_mark - 8;
adapter->hw.fc_pause_time = E1000_FC_PAUSE_TIME;
adapter->hw.fc_send_xon = 1;
adapter->hw.fc = adapter->hw.original_fc;
struct net_device *netdev;
struct e1000_adapter *adapter;
unsigned long mmio_start, mmio_len;
- uint32_t ctrl_ext;
- uint32_t swsm;
static int cards_found = 0;
int i, err, pci_using_dac;
case e1000_82546:
case e1000_82546_rev_3:
case e1000_82571:
- if((E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1)
- && (adapter->hw.media_type == e1000_media_type_copper)) {
+ if(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1){
e1000_read_eeprom(&adapter->hw,
EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
break;
if(eeprom_data & eeprom_apme_mask)
adapter->wol |= E1000_WUFC_MAG;
+ /* print bus type/speed/width info */
+ {
+ struct e1000_hw *hw = &adapter->hw;
+ DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
+ ((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
+ (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
+ ((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
+ (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
+ (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
+ (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
+ (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
+ ((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
+ (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
+ (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
+ "32-bit"));
+ }
+
+ for (i = 0; i < 6; i++)
+ printk("%2.2x%c", netdev->dev_addr[i], i == 5 ? '\n' : ':');
+
/* reset the hardware with the new settings */
e1000_reset(adapter);
- /* Let firmware know the driver has taken over */
- switch(adapter->hw.mac_type) {
- case e1000_82571:
- case e1000_82572:
- ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
- E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
- ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
- break;
- case e1000_82573:
- swsm = E1000_READ_REG(&adapter->hw, SWSM);
- E1000_WRITE_REG(&adapter->hw, SWSM,
- swsm | E1000_SWSM_DRV_LOAD);
- break;
- default:
- break;
- }
+ /* If the controller is 82573 and f/w is AMT, do not set
+ * DRV_LOAD until the interface is up. For all other cases,
+ * let the f/w know that the h/w is now under the control
+ * of the driver. */
+ if (adapter->hw.mac_type != e1000_82573 ||
+ !e1000_check_mng_mode(&adapter->hw))
+ e1000_get_hw_control(adapter);
strcpy(netdev->name, "eth%d");
if((err = register_netdev(netdev)))
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
- uint32_t ctrl_ext;
- uint32_t manc, swsm;
+ uint32_t manc;
#ifdef CONFIG_E1000_NAPI
int i;
#endif
}
}
- switch(adapter->hw.mac_type) {
- case e1000_82571:
- case e1000_82572:
- ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
- E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
- ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
- break;
- case e1000_82573:
- swsm = E1000_READ_REG(&adapter->hw, SWSM);
- E1000_WRITE_REG(&adapter->hw, SWSM,
- swsm & ~E1000_SWSM_DRV_LOAD);
- break;
-
- default:
- break;
- }
+ /* Release control of h/w to f/w. If f/w is AMT enabled, this
+ * would have already happened in close and is redundant. */
+ e1000_release_hw_control(adapter);
unregister_netdev(netdev);
#ifdef CONFIG_E1000_NAPI
- for (i = 0; i < adapter->num_queues; i++)
+ for (i = 0; i < adapter->num_rx_queues; i++)
__dev_put(&adapter->polling_netdev[i]);
#endif
switch (hw->mac_type) {
case e1000_82571:
case e1000_82572:
- adapter->num_queues = 2;
+ /* These controllers support 2 tx queues, but with a single
+ * qdisc implementation, multiple tx queues aren't quite as
+ * interesting. If we can find a logical way of mapping
+ * flows to a queue, then perhaps we can up the num_tx_queue
+ * count back to its default. Until then, we run the risk of
+ * terrible performance due to SACK overload. */
+ adapter->num_tx_queues = 1;
+ adapter->num_rx_queues = 2;
break;
default:
- adapter->num_queues = 1;
+ adapter->num_tx_queues = 1;
+ adapter->num_rx_queues = 1;
break;
}
- adapter->num_queues = min(adapter->num_queues, num_online_cpus());
+ adapter->num_rx_queues = min(adapter->num_rx_queues, num_online_cpus());
+ adapter->num_tx_queues = min(adapter->num_tx_queues, num_online_cpus());
+ DPRINTK(DRV, INFO, "Multiqueue Enabled: Rx Queue count = %u %s\n",
+ adapter->num_rx_queues,
+ ((adapter->num_rx_queues == 1)
+ ? ((num_online_cpus() > 1)
+ ? "(due to unsupported feature in current adapter)"
+ : "(due to unsupported system configuration)")
+ : ""));
+ DPRINTK(DRV, INFO, "Multiqueue Enabled: Tx Queue count = %u\n",
+ adapter->num_tx_queues);
#else
- adapter->num_queues = 1;
+ adapter->num_tx_queues = 1;
+ adapter->num_rx_queues = 1;
#endif
if (e1000_alloc_queues(adapter)) {
}
#ifdef CONFIG_E1000_NAPI
- for (i = 0; i < adapter->num_queues; i++) {
+ for (i = 0; i < adapter->num_rx_queues; i++) {
adapter->polling_netdev[i].priv = adapter;
adapter->polling_netdev[i].poll = &e1000_clean;
adapter->polling_netdev[i].weight = 64;
dev_hold(&adapter->polling_netdev[i]);
set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
}
-#endif
-
-#ifdef CONFIG_E1000_MQ
- e1000_setup_queue_mapping(adapter);
+ spin_lock_init(&adapter->tx_queue_lock);
#endif
atomic_set(&adapter->irq_sem, 1);
{
int size;
- size = sizeof(struct e1000_tx_ring) * adapter->num_queues;
+ size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
adapter->tx_ring = kmalloc(size, GFP_KERNEL);
if (!adapter->tx_ring)
return -ENOMEM;
memset(adapter->tx_ring, 0, size);
- size = sizeof(struct e1000_rx_ring) * adapter->num_queues;
+ size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
adapter->rx_ring = kmalloc(size, GFP_KERNEL);
if (!adapter->rx_ring) {
kfree(adapter->tx_ring);
memset(adapter->rx_ring, 0, size);
#ifdef CONFIG_E1000_NAPI
- size = sizeof(struct net_device) * adapter->num_queues;
+ size = sizeof(struct net_device) * adapter->num_rx_queues;
adapter->polling_netdev = kmalloc(size, GFP_KERNEL);
if (!adapter->polling_netdev) {
kfree(adapter->tx_ring);
memset(adapter->polling_netdev, 0, size);
#endif
+#ifdef CONFIG_E1000_MQ
+ adapter->rx_sched_call_data.func = e1000_rx_schedule;
+ adapter->rx_sched_call_data.info = adapter->netdev;
+
+ adapter->cpu_netdev = alloc_percpu(struct net_device *);
+ adapter->cpu_tx_ring = alloc_percpu(struct e1000_tx_ring *);
+#endif
+
return E1000_SUCCESS;
}
lock_cpu_hotplug();
i = 0;
for_each_online_cpu(cpu) {
- *per_cpu_ptr(adapter->cpu_tx_ring, cpu) = &adapter->tx_ring[i % adapter->num_queues];
+ *per_cpu_ptr(adapter->cpu_tx_ring, cpu) = &adapter->tx_ring[i % adapter->num_tx_queues];
/* This is incomplete because we'd like to assign separate
* physical cpus to these netdev polling structures and
* avoid saturating a subset of cpus.
*/
- if (i < adapter->num_queues) {
+ if (i < adapter->num_rx_queues) {
*per_cpu_ptr(adapter->cpu_netdev, cpu) = &adapter->polling_netdev[i];
- adapter->cpu_for_queue[i] = cpu;
+ adapter->rx_ring[i].cpu = cpu;
+ cpu_set(cpu, adapter->cpumask);
} else
*per_cpu_ptr(adapter->cpu_netdev, cpu) = NULL;
e1000_update_mng_vlan(adapter);
}
+ /* If AMT is enabled, let the firmware know that the network
+ * interface is now open */
+ if (adapter->hw.mac_type == e1000_82573 &&
+ e1000_check_mng_mode(&adapter->hw))
+ e1000_get_hw_control(adapter);
+
return E1000_SUCCESS;
err_up:
E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
}
+
+ /* If AMT is enabled, let the firmware know that the network
+ * interface is now closed */
+ if (adapter->hw.mac_type == e1000_82573 &&
+ e1000_check_mng_mode(&adapter->hw))
+ e1000_release_hw_control(adapter);
+
return 0;
}
{
int i, err = 0;
- for (i = 0; i < adapter->num_queues; i++) {
+ for (i = 0; i < adapter->num_tx_queues; i++) {
err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
if (err) {
DPRINTK(PROBE, ERR,
uint64_t tdba;
struct e1000_hw *hw = &adapter->hw;
uint32_t tdlen, tctl, tipg, tarc;
+ uint32_t ipgr1, ipgr2;
/* Setup the HW Tx Head and Tail descriptor pointers */
- switch (adapter->num_queues) {
+ switch (adapter->num_tx_queues) {
case 2:
tdba = adapter->tx_ring[1].dma;
tdlen = adapter->tx_ring[1].count *
/* Set the default values for the Tx Inter Packet Gap timer */
+ if (hw->media_type == e1000_media_type_fiber ||
+ hw->media_type == e1000_media_type_internal_serdes)
+ tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
+ else
+ tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
+
switch (hw->mac_type) {
case e1000_82542_rev2_0:
case e1000_82542_rev2_1:
tipg = DEFAULT_82542_TIPG_IPGT;
- tipg |= DEFAULT_82542_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
- tipg |= DEFAULT_82542_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
+ ipgr1 = DEFAULT_82542_TIPG_IPGR1;
+ ipgr2 = DEFAULT_82542_TIPG_IPGR2;
break;
default:
- if (hw->media_type == e1000_media_type_fiber ||
- hw->media_type == e1000_media_type_internal_serdes)
- tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
- else
- tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
- tipg |= DEFAULT_82543_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
- tipg |= DEFAULT_82543_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
+ ipgr1 = DEFAULT_82543_TIPG_IPGR1;
+ ipgr2 = DEFAULT_82543_TIPG_IPGR2;
+ break;
}
+ tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
+ tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
E1000_WRITE_REG(hw, TIPG, tipg);
/* Set the Tx Interrupt Delay register */
rxdr->next_to_clean = 0;
rxdr->next_to_use = 0;
+ rxdr->rx_skb_top = NULL;
+ rxdr->rx_skb_prev = NULL;
return 0;
}
{
int i, err = 0;
- for (i = 0; i < adapter->num_queues; i++) {
+ for (i = 0; i < adapter->num_rx_queues; i++) {
err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
if (err) {
DPRINTK(PROBE, ERR,
E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
(adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
- if(adapter->hw.tbi_compatibility_on == 1)
+ if (adapter->hw.mac_type > e1000_82543)
+ rctl |= E1000_RCTL_SECRC;
+
+ if (adapter->hw.tbi_compatibility_on == 1)
rctl |= E1000_RCTL_SBP;
else
rctl &= ~E1000_RCTL_SBP;
}
if (hw->mac_type >= e1000_82571) {
- /* Reset delay timers after every interrupt */
ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
+ /* Reset delay timers after every interrupt */
ctrl_ext |= E1000_CTRL_EXT_CANC;
+#ifdef CONFIG_E1000_NAPI
+ /* Auto-Mask interrupts upon ICR read. */
+ ctrl_ext |= E1000_CTRL_EXT_IAME;
+#endif
E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
+ E1000_WRITE_REG(hw, IAM, ~0);
E1000_WRITE_FLUSH(hw);
}
/* Setup the HW Rx Head and Tail Descriptor Pointers and
* the Base and Length of the Rx Descriptor Ring */
- switch (adapter->num_queues) {
+ switch (adapter->num_rx_queues) {
#ifdef CONFIG_E1000_MQ
case 2:
rdba = adapter->rx_ring[1].dma;
}
#ifdef CONFIG_E1000_MQ
- if (adapter->num_queues > 1) {
+ if (adapter->num_rx_queues > 1) {
uint32_t random[10];
get_random_bytes(&random[0], 40);
E1000_WRITE_REG(hw, RSSIM, 0);
}
- switch (adapter->num_queues) {
+ switch (adapter->num_rx_queues) {
case 2:
default:
reta = 0x00800080;
{
int i;
- for (i = 0; i < adapter->num_queues; i++)
+ for (i = 0; i < adapter->num_tx_queues; i++)
e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
}
buffer_info->dma,
buffer_info->length,
PCI_DMA_TODEVICE);
- buffer_info->dma = 0;
}
- if(buffer_info->skb) {
+ if (buffer_info->skb)
dev_kfree_skb_any(buffer_info->skb);
- buffer_info->skb = NULL;
- }
+ memset(buffer_info, 0, sizeof(struct e1000_buffer));
}
/**
{
int i;
- for (i = 0; i < adapter->num_queues; i++)
+ for (i = 0; i < adapter->num_tx_queues; i++)
e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
}
{
int i;
- for (i = 0; i < adapter->num_queues; i++)
+ for (i = 0; i < adapter->num_rx_queues; i++)
e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
}
for(i = 0; i < rx_ring->count; i++) {
buffer_info = &rx_ring->buffer_info[i];
if(buffer_info->skb) {
- ps_page = &rx_ring->ps_page[i];
- ps_page_dma = &rx_ring->ps_page_dma[i];
pci_unmap_single(pdev,
buffer_info->dma,
buffer_info->length,
dev_kfree_skb(buffer_info->skb);
buffer_info->skb = NULL;
-
- for(j = 0; j < adapter->rx_ps_pages; j++) {
- if(!ps_page->ps_page[j]) break;
- pci_unmap_single(pdev,
- ps_page_dma->ps_page_dma[j],
- PAGE_SIZE, PCI_DMA_FROMDEVICE);
- ps_page_dma->ps_page_dma[j] = 0;
- put_page(ps_page->ps_page[j]);
- ps_page->ps_page[j] = NULL;
- }
+ }
+ ps_page = &rx_ring->ps_page[i];
+ ps_page_dma = &rx_ring->ps_page_dma[i];
+ for (j = 0; j < adapter->rx_ps_pages; j++) {
+ if (!ps_page->ps_page[j]) break;
+ pci_unmap_page(pdev,
+ ps_page_dma->ps_page_dma[j],
+ PAGE_SIZE, PCI_DMA_FROMDEVICE);
+ ps_page_dma->ps_page_dma[j] = 0;
+ put_page(ps_page->ps_page[j]);
+ ps_page->ps_page[j] = NULL;
}
}
+ /* there also may be some cached data in our adapter */
+ if (rx_ring->rx_skb_top) {
+ dev_kfree_skb(rx_ring->rx_skb_top);
+
+ /* rx_skb_prev will be wiped out by rx_skb_top */
+ rx_ring->rx_skb_top = NULL;
+ rx_ring->rx_skb_prev = NULL;
+ }
+
+
size = sizeof(struct e1000_buffer) * rx_ring->count;
memset(rx_ring->buffer_info, 0, size);
size = sizeof(struct e1000_ps_page) * rx_ring->count;
{
int i;
- for (i = 0; i < adapter->num_queues; i++)
+ for (i = 0; i < adapter->num_rx_queues; i++)
e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
}
if(netif_running(netdev)) {
e1000_configure_rx(adapter);
- e1000_alloc_rx_buffers(adapter, &adapter->rx_ring[0]);
+ /* No need to loop, because 82542 supports only 1 queue */
+ struct e1000_rx_ring *ring = &adapter->rx_ring[0];
+ adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
}
}
e1000_watchdog_task(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
- struct e1000_tx_ring *txdr = &adapter->tx_ring[0];
+ struct e1000_tx_ring *txdr = adapter->tx_ring;
uint32_t link;
e1000_check_for_link(&adapter->hw);
adapter->link_duplex == FULL_DUPLEX ?
"Full Duplex" : "Half Duplex");
+ /* tweak tx_queue_len according to speed/duplex */
+ netdev->tx_queue_len = adapter->tx_queue_len;
+ adapter->tx_timeout_factor = 1;
+ if (adapter->link_duplex == HALF_DUPLEX) {
+ switch (adapter->link_speed) {
+ case SPEED_10:
+ netdev->tx_queue_len = 10;
+ adapter->tx_timeout_factor = 8;
+ break;
+ case SPEED_100:
+ netdev->tx_queue_len = 100;
+ break;
+ }
+ }
+
netif_carrier_on(netdev);
netif_wake_queue(netdev);
mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ);
e1000_update_adaptive(&adapter->hw);
- if (adapter->num_queues == 1 && !netif_carrier_ok(netdev)) {
+#ifdef CONFIG_E1000_MQ
+ txdr = *per_cpu_ptr(adapter->cpu_tx_ring, smp_processor_id());
+#endif
+ if (!netif_carrier_ok(netdev)) {
if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
/* We've lost link, so the controller stops DMA,
* but we've got queued Tx work that's never going
{
#ifdef NETIF_F_TSO
struct e1000_context_desc *context_desc;
+ struct e1000_buffer *buffer_info;
unsigned int i;
uint32_t cmd_length = 0;
uint16_t ipcse = 0, tucse, mss;
i = tx_ring->next_to_use;
context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
+ buffer_info = &tx_ring->buffer_info[i];
context_desc->lower_setup.ip_fields.ipcss = ipcss;
context_desc->lower_setup.ip_fields.ipcso = ipcso;
context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
context_desc->cmd_and_length = cpu_to_le32(cmd_length);
+ buffer_info->time_stamp = jiffies;
+
if (++i == tx_ring->count) i = 0;
tx_ring->next_to_use = i;
- return 1;
+ return TRUE;
}
#endif
- return 0;
+ return FALSE;
}
static inline boolean_t
struct sk_buff *skb)
{
struct e1000_context_desc *context_desc;
+ struct e1000_buffer *buffer_info;
unsigned int i;
uint8_t css;
css = skb->h.raw - skb->data;
i = tx_ring->next_to_use;
+ buffer_info = &tx_ring->buffer_info[i];
context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
context_desc->upper_setup.tcp_fields.tucss = css;
context_desc->tcp_seg_setup.data = 0;
context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT);
+ buffer_info->time_stamp = jiffies;
+
if (unlikely(++i == tx_ring->count)) i = 0;
tx_ring->next_to_use = i;
* overrun the FIFO, adjust the max buffer len if mss
* drops. */
if(mss) {
+ uint8_t hdr_len;
max_per_txd = min(mss << 2, max_per_txd);
max_txd_pwr = fls(max_per_txd) - 1;
+
+ /* TSO Workaround for 82571/2 Controllers -- if skb->data
+ * points to just header, pull a few bytes of payload from
+ * frags into skb->data */
+ hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
+ if (skb->data_len && (hdr_len == (skb->len - skb->data_len)) &&
+ (adapter->hw.mac_type == e1000_82571 ||
+ adapter->hw.mac_type == e1000_82572)) {
+ unsigned int pull_size;
+ pull_size = min((unsigned int)4, skb->data_len);
+ if (!__pskb_pull_tail(skb, pull_size)) {
+ printk(KERN_ERR "__pskb_pull_tail failed.\n");
+ dev_kfree_skb_any(skb);
+ return -EFAULT;
+ }
+ len = skb->len - skb->data_len;
+ }
}
if((mss) || (skb->ip_summed == CHECKSUM_HW))
+ /* reserve a descriptor for the offload context */
count++;
count++;
#else
if(adapter->pcix_82544)
count += nr_frags;
-#ifdef NETIF_F_TSO
- /* TSO Workaround for 82571/2 Controllers -- if skb->data
- * points to just header, pull a few bytes of payload from
- * frags into skb->data */
- if (skb_shinfo(skb)->tso_size) {
- uint8_t hdr_len;
- hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
- if (skb->data_len && (hdr_len < (skb->len - skb->data_len)) &&
- (adapter->hw.mac_type == e1000_82571 ||
- adapter->hw.mac_type == e1000_82572)) {
- unsigned int pull_size;
- pull_size = min((unsigned int)4, skb->data_len);
- if (!__pskb_pull_tail(skb, pull_size)) {
- printk(KERN_ERR "__pskb_pull_tail failed.\n");
- dev_kfree_skb_any(skb);
- return -EFAULT;
- }
- }
- }
-#endif
-
if(adapter->hw.tx_pkt_filtering && (adapter->hw.mac_type == e1000_82573) )
e1000_transfer_dhcp_info(adapter, skb);
{
struct e1000_adapter *adapter = netdev_priv(netdev);
+ adapter->tx_timeout_count++;
e1000_down(adapter);
e1000_up(adapter);
}
{
struct e1000_adapter *adapter = netdev_priv(netdev);
- e1000_update_stats(adapter);
+ /* only return the current stats */
return &adapter->net_stats;
}
if((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
(max_frame > MAX_JUMBO_FRAME_SIZE)) {
DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
- return -EINVAL;
- }
-
-#define MAX_STD_JUMBO_FRAME_SIZE 9234
- /* might want this to be bigger enum check... */
- /* 82571 controllers limit jumbo frame size to 10500 bytes */
- if ((adapter->hw.mac_type == e1000_82571 ||
- adapter->hw.mac_type == e1000_82572) &&
- max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
- DPRINTK(PROBE, ERR, "MTU > 9216 bytes not supported "
- "on 82571 and 82572 controllers.\n");
return -EINVAL;
}
- if(adapter->hw.mac_type == e1000_82573 &&
- max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
- DPRINTK(PROBE, ERR, "Jumbo Frames not supported "
- "on 82573\n");
- return -EINVAL;
- }
-
- if(adapter->hw.mac_type > e1000_82547_rev_2) {
- adapter->rx_buffer_len = max_frame;
- E1000_ROUNDUP(adapter->rx_buffer_len, 1024);
- } else {
- if(unlikely((adapter->hw.mac_type < e1000_82543) &&
- (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE))) {
- DPRINTK(PROBE, ERR, "Jumbo Frames not supported "
- "on 82542\n");
+ /* Adapter-specific max frame size limits. */
+ switch (adapter->hw.mac_type) {
+ case e1000_82542_rev2_0:
+ case e1000_82542_rev2_1:
+ case e1000_82573:
+ if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
+ DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
+ return -EINVAL;
+ }
+ break;
+ case e1000_82571:
+ case e1000_82572:
+#define MAX_STD_JUMBO_FRAME_SIZE 9234
+ if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
+ DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
return -EINVAL;
-
- } else {
- if(max_frame <= E1000_RXBUFFER_2048) {
- adapter->rx_buffer_len = E1000_RXBUFFER_2048;
- } else if(max_frame <= E1000_RXBUFFER_4096) {
- adapter->rx_buffer_len = E1000_RXBUFFER_4096;
- } else if(max_frame <= E1000_RXBUFFER_8192) {
- adapter->rx_buffer_len = E1000_RXBUFFER_8192;
- } else if(max_frame <= E1000_RXBUFFER_16384) {
- adapter->rx_buffer_len = E1000_RXBUFFER_16384;
- }
}
+ break;
+ default:
+ /* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
+ break;
}
+ /* since the driver code now supports splitting a packet across
+ * multiple descriptors, most of the fifo related limitations on
+ * jumbo frame traffic have gone away.
+ * simply use 2k descriptors for everything.
+ *
+ * NOTE: dev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
+ * means we reserve 2 more, this pushes us to allocate from the next
+ * larger slab size
+ * i.e. RXBUFFER_2048 --> size-4096 slab */
+
+ /* recent hardware supports 1KB granularity */
+ if (adapter->hw.mac_type > e1000_82547_rev_2) {
+ adapter->rx_buffer_len =
+ ((max_frame < E1000_RXBUFFER_2048) ?
+ max_frame : E1000_RXBUFFER_2048);
+ E1000_ROUNDUP(adapter->rx_buffer_len, 1024);
+ } else
+ adapter->rx_buffer_len = E1000_RXBUFFER_2048;
+
netdev->mtu = new_mtu;
if(netif_running(netdev)) {
adapter->net_stats.rx_errors = adapter->stats.rxerrc +
adapter->stats.crcerrs + adapter->stats.algnerrc +
- adapter->stats.rlec + adapter->stats.mpc +
- adapter->stats.cexterr;
+ adapter->stats.rlec + adapter->stats.cexterr;
+ adapter->net_stats.rx_dropped = 0;
adapter->net_stats.rx_length_errors = adapter->stats.rlec;
adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
- adapter->net_stats.rx_fifo_errors = adapter->stats.mpc;
adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
/* Tx Errors */
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
uint32_t icr = E1000_READ_REG(hw, ICR);
-#if defined(CONFIG_E1000_NAPI) && defined(CONFIG_E1000_MQ) || !defined(CONFIG_E1000_NAPI)
+#ifndef CONFIG_E1000_NAPI
int i;
+#else
+ /* Interrupt Auto-Mask...upon reading ICR,
+ * interrupts are masked. No need for the
+ * IMC write, but it does mean we should
+ * account for it ASAP. */
+ if (likely(hw->mac_type >= e1000_82571))
+ atomic_inc(&adapter->irq_sem);
#endif
- if(unlikely(!icr))
+ if (unlikely(!icr)) {
+#ifdef CONFIG_E1000_NAPI
+ if (hw->mac_type >= e1000_82571)
+ e1000_irq_enable(adapter);
+#endif
return IRQ_NONE; /* Not our interrupt */
+ }
if(unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
hw->get_link_status = 1;
}
#ifdef CONFIG_E1000_NAPI
- atomic_inc(&adapter->irq_sem);
- E1000_WRITE_REG(hw, IMC, ~0);
- E1000_WRITE_FLUSH(hw);
+ if (unlikely(hw->mac_type < e1000_82571)) {
+ atomic_inc(&adapter->irq_sem);
+ E1000_WRITE_REG(hw, IMC, ~0);
+ E1000_WRITE_FLUSH(hw);
+ }
#ifdef CONFIG_E1000_MQ
if (atomic_read(&adapter->rx_sched_call_data.count) == 0) {
- cpu_set(adapter->cpu_for_queue[0],
- adapter->rx_sched_call_data.cpumask);
- for (i = 1; i < adapter->num_queues; i++) {
- cpu_set(adapter->cpu_for_queue[i],
- adapter->rx_sched_call_data.cpumask);
- atomic_inc(&adapter->irq_sem);
- }
- atomic_set(&adapter->rx_sched_call_data.count, i);
+ /* We must setup the cpumask once count == 0 since
+ * each cpu bit is cleared when the work is done. */
+ adapter->rx_sched_call_data.cpumask = adapter->cpumask;
+ atomic_add(adapter->num_rx_queues - 1, &adapter->irq_sem);
+ atomic_set(&adapter->rx_sched_call_data.count,
+ adapter->num_rx_queues);
smp_call_async_mask(&adapter->rx_sched_call_data);
} else {
printk("call_data.count == %u\n", atomic_read(&adapter->rx_sched_call_data.count));
{
struct e1000_adapter *adapter;
int work_to_do = min(*budget, poll_dev->quota);
- int tx_cleaned, i = 0, work_done = 0;
+ int tx_cleaned = 0, i = 0, work_done = 0;
/* Must NOT use netdev_priv macro here. */
adapter = poll_dev->priv;
while (poll_dev != &adapter->polling_netdev[i]) {
i++;
- if (unlikely(i == adapter->num_queues))
+ if (unlikely(i == adapter->num_rx_queues))
BUG();
}
- tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[i]);
+ if (likely(adapter->num_tx_queues == 1)) {
+ /* e1000_clean is called per-cpu. This lock protects
+ * tx_ring[0] from being cleaned by multiple cpus
+ * simultaneously. A failure obtaining the lock means
+ * tx_ring[0] is currently being cleaned anyway. */
+ if (spin_trylock(&adapter->tx_queue_lock)) {
+ tx_cleaned = e1000_clean_tx_irq(adapter,
+ &adapter->tx_ring[0]);
+ spin_unlock(&adapter->tx_queue_lock);
+ }
+ } else
+ tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[i]);
+
adapter->clean_rx(adapter, &adapter->rx_ring[i],
&work_done, work_to_do);
buffer_info = &tx_ring->buffer_info[i];
cleaned = (i == eop);
+#ifdef CONFIG_E1000_MQ
+ tx_ring->tx_stats.bytes += buffer_info->length;
+#endif
e1000_unmap_and_free_tx_resource(adapter, buffer_info);
-
- tx_desc->buffer_addr = 0;
- tx_desc->lower.data = 0;
- tx_desc->upper.data = 0;
+ memset(tx_desc, 0, sizeof(struct e1000_tx_desc));
if(unlikely(++i == tx_ring->count)) i = 0;
}
- tx_ring->pkt++;
-
+#ifdef CONFIG_E1000_MQ
+ tx_ring->tx_stats.packets++;
+#endif
+
eop = tx_ring->buffer_info[i].next_to_watch;
eop_desc = E1000_TX_DESC(*tx_ring, eop);
}
/* Detect a transmit hang in hardware, this serializes the
* check with the clearing of time_stamp and movement of i */
adapter->detect_tx_hung = FALSE;
- if (tx_ring->buffer_info[i].dma &&
- time_after(jiffies, tx_ring->buffer_info[i].time_stamp + HZ)
+ if (tx_ring->buffer_info[eop].dma &&
+ time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
+ adapter->tx_timeout_factor * HZ)
&& !(E1000_READ_REG(&adapter->hw, STATUS) &
- E1000_STATUS_TXOFF)) {
+ E1000_STATUS_TXOFF)) {
/* detected Tx unit hang */
- i = tx_ring->next_to_clean;
- eop = tx_ring->buffer_info[i].next_to_watch;
- eop_desc = E1000_TX_DESC(*tx_ring, eop);
DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
+ " Tx Queue <%lu>\n"
" TDH <%x>\n"
" TDT <%x>\n"
" next_to_use <%x>\n"
" next_to_clean <%x>\n"
"buffer_info[next_to_clean]\n"
- " dma <%llx>\n"
" time_stamp <%lx>\n"
" next_to_watch <%x>\n"
" jiffies <%lx>\n"
" next_to_watch.status <%x>\n",
+ (unsigned long)((tx_ring - adapter->tx_ring) /
+ sizeof(struct e1000_tx_ring)),
readl(adapter->hw.hw_addr + tx_ring->tdh),
readl(adapter->hw.hw_addr + tx_ring->tdt),
tx_ring->next_to_use,
- i,
- (unsigned long long)tx_ring->buffer_info[i].dma,
- tx_ring->buffer_info[i].time_stamp,
+ tx_ring->next_to_clean,
+ tx_ring->buffer_info[eop].time_stamp,
eop,
jiffies,
eop_desc->upper.fields.status);
uint32_t length;
uint8_t last_byte;
unsigned int i;
- boolean_t cleaned = FALSE;
+ int cleaned_count = 0;
+ boolean_t cleaned = FALSE, multi_descriptor = FALSE;
i = rx_ring->next_to_clean;
rx_desc = E1000_RX_DESC(*rx_ring, i);
while(rx_desc->status & E1000_RXD_STAT_DD) {
buffer_info = &rx_ring->buffer_info[i];
+ u8 status;
#ifdef CONFIG_E1000_NAPI
if(*work_done >= work_to_do)
break;
(*work_done)++;
#endif
+ status = rx_desc->status;
cleaned = TRUE;
-
+ cleaned_count++;
pci_unmap_single(pdev,
buffer_info->dma,
buffer_info->length,
}
}
- /* Good Receive */
- skb_put(skb, length - ETHERNET_FCS_SIZE);
+ /* code added for copybreak, this should improve
+ * performance for small packets with large amounts
+ * of reassembly being done in the stack */
+#define E1000_CB_LENGTH 256
+ if ((length < E1000_CB_LENGTH) &&
+ !rx_ring->rx_skb_top &&
+ /* or maybe (status & E1000_RXD_STAT_EOP) && */
+ !multi_descriptor) {
+ struct sk_buff *new_skb =
+ dev_alloc_skb(length + NET_IP_ALIGN);
+ if (new_skb) {
+ skb_reserve(new_skb, NET_IP_ALIGN);
+ new_skb->dev = netdev;
+ memcpy(new_skb->data - NET_IP_ALIGN,
+ skb->data - NET_IP_ALIGN,
+ length + NET_IP_ALIGN);
+ /* save the skb in buffer_info as good */
+ buffer_info->skb = skb;
+ skb = new_skb;
+ skb_put(skb, length);
+ }
+ }
+
+ /* end copybreak code */
/* Receive Checksum Offload */
e1000_rx_checksum(adapter,
- (uint32_t)(rx_desc->status) |
+ (uint32_t)(status) |
((uint32_t)(rx_desc->errors) << 24),
rx_desc->csum, skb);
skb->protocol = eth_type_trans(skb, netdev);
#ifdef CONFIG_E1000_NAPI
if(unlikely(adapter->vlgrp &&
- (rx_desc->status & E1000_RXD_STAT_VP))) {
+ (status & E1000_RXD_STAT_VP))) {
vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
le16_to_cpu(rx_desc->special) &
E1000_RXD_SPC_VLAN_MASK);
}
#endif /* CONFIG_E1000_NAPI */
netdev->last_rx = jiffies;
- rx_ring->pkt++;
+#ifdef CONFIG_E1000_MQ
+ rx_ring->rx_stats.packets++;
+ rx_ring->rx_stats.bytes += length;
+#endif
next_desc:
rx_desc->status = 0;
- buffer_info->skb = NULL;
- if(unlikely(++i == rx_ring->count)) i = 0;
- rx_desc = E1000_RX_DESC(*rx_ring, i);
+ /* return some buffers to hardware, one at a time is too slow */
+ if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
+ adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
+ cleaned_count = 0;
+ }
+
}
rx_ring->next_to_clean = i;
- adapter->alloc_rx_buf(adapter, rx_ring);
+
+ cleaned_count = E1000_DESC_UNUSED(rx_ring);
+ if (cleaned_count)
+ adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
return cleaned;
}
struct sk_buff *skb;
unsigned int i, j;
uint32_t length, staterr;
+ int cleaned_count = 0;
boolean_t cleaned = FALSE;
i = rx_ring->next_to_clean;
(*work_done)++;
#endif
cleaned = TRUE;
+ cleaned_count++;
pci_unmap_single(pdev, buffer_info->dma,
buffer_info->length,
PCI_DMA_FROMDEVICE);
}
#endif /* CONFIG_E1000_NAPI */
netdev->last_rx = jiffies;
- rx_ring->pkt++;
+#ifdef CONFIG_E1000_MQ
+ rx_ring->rx_stats.packets++;
+ rx_ring->rx_stats.bytes += length;
+#endif
next_desc:
rx_desc->wb.middle.status_error &= ~0xFF;
buffer_info->skb = NULL;
- if(unlikely(++i == rx_ring->count)) i = 0;
- rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
+ /* return some buffers to hardware, one at a time is too slow */
+ if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
+ adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
+ cleaned_count = 0;
+ }
+
staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
}
rx_ring->next_to_clean = i;
- adapter->alloc_rx_buf(adapter, rx_ring);
+
+ cleaned_count = E1000_DESC_UNUSED(rx_ring);
+ if (cleaned_count)
+ adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
return cleaned;
}
static void
e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring)
+ struct e1000_rx_ring *rx_ring,
+ int cleaned_count)
{
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
i = rx_ring->next_to_use;
buffer_info = &rx_ring->buffer_info[i];
- while(!buffer_info->skb) {
- skb = dev_alloc_skb(bufsz);
+ while (cleaned_count--) {
+ if (!(skb = buffer_info->skb))
+ skb = dev_alloc_skb(bufsz);
+ else {
+ skb_trim(skb, 0);
+ goto map_skb;
+ }
+
if(unlikely(!skb)) {
/* Better luck next round */
+ adapter->alloc_rx_buff_failed++;
break;
}
buffer_info->skb = skb;
buffer_info->length = adapter->rx_buffer_len;
+map_skb:
buffer_info->dma = pci_map_single(pdev,
skb->data,
adapter->rx_buffer_len,
static void
e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring)
+ struct e1000_rx_ring *rx_ring,
+ int cleaned_count)
{
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
ps_page = &rx_ring->ps_page[i];
ps_page_dma = &rx_ring->ps_page_dma[i];
- while(!buffer_info->skb) {
+ while (cleaned_count--) {
rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
for(j = 0; j < PS_PAGE_BUFFERS; j++) {
if((adapter->hw.mng_cookie.status &
E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
- (vid == adapter->mng_vlan_id))
+ (vid == adapter->mng_vlan_id)) {
+ /* release control to f/w */
+ e1000_release_hw_control(adapter);
return;
+ }
+
/* remove VID from filter table */
index = (vid >> 5) & 0x7F;
vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index);
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
- uint32_t ctrl, ctrl_ext, rctl, manc, status, swsm;
+ uint32_t ctrl, ctrl_ext, rctl, manc, status;
uint32_t wufc = adapter->wol;
+ int retval = 0;
netif_device_detach(netdev);
E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN);
E1000_WRITE_REG(&adapter->hw, WUFC, wufc);
- pci_enable_wake(pdev, 3, 1);
- pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */
+ retval = pci_enable_wake(pdev, PCI_D3hot, 1);
+ if (retval)
+ DPRINTK(PROBE, ERR, "Error enabling D3 wake\n");
+ retval = pci_enable_wake(pdev, PCI_D3cold, 1);
+ if (retval)
+ DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n");
} else {
E1000_WRITE_REG(&adapter->hw, WUC, 0);
E1000_WRITE_REG(&adapter->hw, WUFC, 0);
- pci_enable_wake(pdev, 3, 0);
- pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */
+ retval = pci_enable_wake(pdev, PCI_D3hot, 0);
+ if (retval)
+ DPRINTK(PROBE, ERR, "Error enabling D3 wake\n");
+ retval = pci_enable_wake(pdev, PCI_D3cold, 0); /* 4 == D3 cold */
+ if (retval)
+ DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n");
}
pci_save_state(pdev);
if(manc & E1000_MANC_SMBUS_EN) {
manc |= E1000_MANC_ARP_EN;
E1000_WRITE_REG(&adapter->hw, MANC, manc);
- pci_enable_wake(pdev, 3, 1);
- pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */
+ retval = pci_enable_wake(pdev, PCI_D3hot, 1);
+ if (retval)
+ DPRINTK(PROBE, ERR, "Error enabling D3 wake\n");
+ retval = pci_enable_wake(pdev, PCI_D3cold, 1);
+ if (retval)
+ DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n");
}
}
- switch(adapter->hw.mac_type) {
- case e1000_82571:
- case e1000_82572:
- ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
- E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
- ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
- break;
- case e1000_82573:
- swsm = E1000_READ_REG(&adapter->hw, SWSM);
- E1000_WRITE_REG(&adapter->hw, SWSM,
- swsm & ~E1000_SWSM_DRV_LOAD);
- break;
- default:
- break;
- }
+ /* Release control of h/w to f/w. If f/w is AMT enabled, this
+ * would have already happened in close and is redundant. */
+ e1000_release_hw_control(adapter);
pci_disable_device(pdev);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+ retval = pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ if (retval)
+ DPRINTK(PROBE, ERR, "Error in setting power state\n");
return 0;
}
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
- uint32_t manc, ret_val, swsm;
- uint32_t ctrl_ext;
+ int retval;
+ uint32_t manc, ret_val;
- pci_set_power_state(pdev, PCI_D0);
- pci_restore_state(pdev);
+ retval = pci_set_power_state(pdev, PCI_D0);
+ if (retval)
+ DPRINTK(PROBE, ERR, "Error in setting power state\n");
ret_val = pci_enable_device(pdev);
pci_set_master(pdev);
- pci_enable_wake(pdev, PCI_D3hot, 0);
- pci_enable_wake(pdev, PCI_D3cold, 0);
+ retval = pci_enable_wake(pdev, PCI_D3hot, 0);
+ if (retval)
+ DPRINTK(PROBE, ERR, "Error enabling D3 wake\n");
+ retval = pci_enable_wake(pdev, PCI_D3cold, 0);
+ if (retval)
+ DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n");
e1000_reset(adapter);
E1000_WRITE_REG(&adapter->hw, WUS, ~0);
E1000_WRITE_REG(&adapter->hw, MANC, manc);
}
- switch(adapter->hw.mac_type) {
- case e1000_82571:
- case e1000_82572:
- ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);
- E1000_WRITE_REG(&adapter->hw, CTRL_EXT,
- ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
- break;
- case e1000_82573:
- swsm = E1000_READ_REG(&adapter->hw, SWSM);
- E1000_WRITE_REG(&adapter->hw, SWSM,
- swsm | E1000_SWSM_DRV_LOAD);
- break;
- default:
- break;
- }
+ /* If the controller is 82573 and f/w is AMT, do not set
+ * DRV_LOAD until the interface is up. For all other cases,
+ * let the f/w know that the h/w is now under the control
+ * of the driver. */
+ if (adapter->hw.mac_type != e1000_82573 ||
+ !e1000_check_mng_mode(&adapter->hw))
+ e1000_get_hw_control(adapter);
return 0;
}
disable_irq(adapter->pdev->irq);
e1000_intr(adapter->pdev->irq, netdev, NULL);
e1000_clean_tx_irq(adapter, adapter->tx_ring);
+#ifndef CONFIG_E1000_NAPI
+ adapter->clean_rx(adapter, adapter->rx_ring);
+#endif
enable_irq(adapter->pdev->irq);
}
#endif
*
* Valid Range: 100-100000 (0=off, 1=dynamic)
*
- * Default Value: 1
+ * Default Value: 8000
*/
E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
} else {
tx_ring->count = opt.def;
}
- for (i = 0; i < adapter->num_queues; i++)
+ for (i = 0; i < adapter->num_tx_queues; i++)
tx_ring[i].count = tx_ring->count;
}
{ /* Receive Descriptor Count */
} else {
rx_ring->count = opt.def;
}
- for (i = 0; i < adapter->num_queues; i++)
+ for (i = 0; i < adapter->num_rx_queues; i++)
rx_ring[i].count = rx_ring->count;
}
{ /* Checksum Offload Enable/Disable */
e1000_validate_option(&fc, &opt, adapter);
adapter->hw.fc = adapter->hw.original_fc = fc;
} else {
- adapter->hw.fc = opt.def;
+ adapter->hw.fc = adapter->hw.original_fc = opt.def;
}
}
{ /* Transmit Interrupt Delay */
.p = dplx_list }}
};
+ if (e1000_check_phy_reset_block(&adapter->hw)) {
+ DPRINTK(PROBE, INFO,
+ "Link active due to SoL/IDER Session. "
+ "Speed/Duplex/AutoNeg parameter ignored.\n");
+ return;
+ }
if (num_Duplex > bd) {
dplx = Duplex[bd];
e1000_validate_option(&dplx, &opt, adapter);
#include <linux/tcp.h>
#include <linux/udp.h>
#include <linux/etherdevice.h>
+#include <linux/in.h>
+#include <linux/ip.h>
#include <linux/bitops.h>
#include <linux/delay.h>
/* Constants */
#define VLAN_HLEN 4
#define FCS_LEN 4
-#define WRAP NET_IP_ALIGN + ETH_HLEN + VLAN_HLEN + FCS_LEN
+#define DMA_ALIGN 8 /* hw requires 8-byte alignment */
+#define HW_IP_ALIGN 2 /* hw aligns IP header */
+#define WRAP HW_IP_ALIGN + ETH_HLEN + VLAN_HLEN + FCS_LEN
#define RX_SKB_SIZE ((dev->mtu + WRAP + 7) & ~0x7)
-#define INT_CAUSE_UNMASK_ALL 0x0007ffff
-#define INT_CAUSE_UNMASK_ALL_EXT 0x0011ffff
-#define INT_CAUSE_MASK_ALL 0x00000000
-#define INT_CAUSE_MASK_ALL_EXT 0x00000000
+#define INT_UNMASK_ALL 0x0007ffff
+#define INT_UNMASK_ALL_EXT 0x0011ffff
+#define INT_MASK_ALL 0x00000000
+#define INT_MASK_ALL_EXT 0x00000000
#define INT_CAUSE_CHECK_BITS INT_CAUSE_UNMASK_ALL
#define INT_CAUSE_CHECK_BITS_EXT INT_CAUSE_UNMASK_ALL_EXT
static int eth_port_link_is_up(unsigned int eth_port_num);
static void eth_port_uc_addr_get(struct net_device *dev,
unsigned char *MacAddr);
-static int mv643xx_eth_real_open(struct net_device *);
-static int mv643xx_eth_real_stop(struct net_device *);
+static void eth_port_set_multicast_list(struct net_device *);
+static int mv643xx_eth_open(struct net_device *);
+static int mv643xx_eth_stop(struct net_device *);
static int mv643xx_eth_change_mtu(struct net_device *, int);
static struct net_device_stats *mv643xx_eth_get_stats(struct net_device *);
static void eth_port_init_mac_tables(unsigned int eth_port_num);
*/
static int mv643xx_eth_change_mtu(struct net_device *dev, int new_mtu)
{
- struct mv643xx_private *mp = netdev_priv(dev);
- unsigned long flags;
-
- spin_lock_irqsave(&mp->lock, flags);
-
- if ((new_mtu > 9500) || (new_mtu < 64)) {
- spin_unlock_irqrestore(&mp->lock, flags);
+ if ((new_mtu > 9500) || (new_mtu < 64))
return -EINVAL;
- }
dev->mtu = new_mtu;
/*
* to memory is full, which might fail the open function.
*/
if (netif_running(dev)) {
- if (mv643xx_eth_real_stop(dev))
- printk(KERN_ERR
- "%s: Fatal error on stopping device\n",
- dev->name);
- if (mv643xx_eth_real_open(dev))
+ mv643xx_eth_stop(dev);
+ if (mv643xx_eth_open(dev))
printk(KERN_ERR
"%s: Fatal error on opening device\n",
dev->name);
}
- spin_unlock_irqrestore(&mp->lock, flags);
return 0;
}
struct mv643xx_private *mp = netdev_priv(dev);
struct pkt_info pkt_info;
struct sk_buff *skb;
+ int unaligned;
if (test_and_set_bit(0, &mp->rx_task_busy))
panic("%s: Error in test_set_bit / clear_bit", dev->name);
while (mp->rx_ring_skbs < (mp->rx_ring_size - 5)) {
- skb = dev_alloc_skb(RX_SKB_SIZE);
+ skb = dev_alloc_skb(RX_SKB_SIZE + DMA_ALIGN);
if (!skb)
break;
mp->rx_ring_skbs++;
+ unaligned = (u32)skb->data & (DMA_ALIGN - 1);
+ if (unaligned)
+ skb_reserve(skb, DMA_ALIGN - unaligned);
pkt_info.cmd_sts = ETH_RX_ENABLE_INTERRUPT;
pkt_info.byte_cnt = RX_SKB_SIZE;
pkt_info.buf_ptr = dma_map_single(NULL, skb->data, RX_SKB_SIZE,
"%s: Error allocating RX Ring\n", dev->name);
break;
}
- skb_reserve(skb, 2);
+ skb_reserve(skb, HW_IP_ALIGN);
}
clear_bit(0, &mp->rx_task_busy);
/*
else {
/* Return interrupts */
mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(mp->port_num),
- INT_CAUSE_UNMASK_ALL);
+ INT_UNMASK_ALL);
}
#endif
}
mp->port_config &= ~(u32) MV643XX_ETH_UNICAST_PROMISCUOUS_MODE;
mv_write(MV643XX_ETH_PORT_CONFIG_REG(mp->port_num), mp->port_config);
+
+ eth_port_set_multicast_list(dev);
}
/*
if (!(eth_int_cause_ext & (BIT0 | BIT8)))
return released;
- spin_lock(&mp->lock);
-
/* Check only queue 0 */
while (eth_tx_return_desc(mp, &pkt_info) == ETH_OK) {
if (pkt_info.cmd_sts & BIT0) {
stats->tx_errors++;
}
- /*
- * If return_info is different than 0, release the skb.
- * The case where return_info is not 0 is only in case
- * when transmitted a scatter/gather packet, where only
- * last skb releases the whole chain.
- */
- if (pkt_info.return_info) {
- if (skb_shinfo(pkt_info.return_info)->nr_frags)
- dma_unmap_page(NULL, pkt_info.buf_ptr,
- pkt_info.byte_cnt,
- DMA_TO_DEVICE);
- else
- dma_unmap_single(NULL, pkt_info.buf_ptr,
- pkt_info.byte_cnt,
- DMA_TO_DEVICE);
+ if (pkt_info.cmd_sts & ETH_TX_FIRST_DESC)
+ dma_unmap_single(NULL, pkt_info.buf_ptr,
+ pkt_info.byte_cnt,
+ DMA_TO_DEVICE);
+ else
+ dma_unmap_page(NULL, pkt_info.buf_ptr,
+ pkt_info.byte_cnt,
+ DMA_TO_DEVICE);
+ if (pkt_info.return_info) {
dev_kfree_skb_irq(pkt_info.return_info);
released = 0;
- } else
- dma_unmap_page(NULL, pkt_info.buf_ptr,
- pkt_info.byte_cnt, DMA_TO_DEVICE);
+ }
}
- spin_unlock(&mp->lock);
-
return released;
}
/* Read interrupt cause registers */
eth_int_cause = mv_read(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num)) &
- INT_CAUSE_UNMASK_ALL;
+ INT_UNMASK_ALL;
if (eth_int_cause & BIT1)
eth_int_cause_ext = mv_read(
MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num)) &
- INT_CAUSE_UNMASK_ALL_EXT;
+ INT_UNMASK_ALL_EXT;
#ifdef MV643XX_NAPI
if (!(eth_int_cause & 0x0007fffd)) {
} else {
if (netif_rx_schedule_prep(dev)) {
/* Mask all the interrupts */
- mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), 0);
- mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG
- (port_num), 0);
+ mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num),
+ INT_MASK_ALL);
+ /* wait for previous write to complete */
+ mv_read(MV643XX_ETH_INTERRUPT_MASK_REG(port_num));
__netif_rx_schedule(dev);
}
#else
* with skb's.
*/
#ifdef MV643XX_RX_QUEUE_FILL_ON_TASK
- /* Unmask all interrupts on ethernet port */
+ /* Mask all interrupts on ethernet port */
mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num),
- INT_CAUSE_MASK_ALL);
+ INT_MASK_ALL);
+ /* wait for previous write to take effect */
+ mv_read(MV643XX_ETH_INTERRUPT_MASK_REG(port_num));
+
queue_task(&mp->rx_task, &tq_immediate);
mark_bh(IMMEDIATE_BH);
#else
return coal;
}
-/*
- * mv643xx_eth_open
- *
- * This function is called when openning the network device. The function
- * should initialize all the hardware, initialize cyclic Rx/Tx
- * descriptors chain and buffers and allocate an IRQ to the network
- * device.
- *
- * Input : a pointer to the network device structure
- *
- * Output : zero of success , nonzero if fails.
- */
-
-static int mv643xx_eth_open(struct net_device *dev)
-{
- struct mv643xx_private *mp = netdev_priv(dev);
- unsigned int port_num = mp->port_num;
- int err;
-
- spin_lock_irq(&mp->lock);
-
- err = request_irq(dev->irq, mv643xx_eth_int_handler,
- SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
-
- if (err) {
- printk(KERN_ERR "Can not assign IRQ number to MV643XX_eth%d\n",
- port_num);
- err = -EAGAIN;
- goto out;
- }
-
- if (mv643xx_eth_real_open(dev)) {
- printk("%s: Error opening interface\n", dev->name);
- err = -EBUSY;
- goto out_free;
- }
-
- spin_unlock_irq(&mp->lock);
-
- return 0;
-
-out_free:
- free_irq(dev->irq, dev);
-
-out:
- spin_unlock_irq(&mp->lock);
-
- return err;
-}
-
/*
* ether_init_rx_desc_ring - Curve a Rx chain desc list and buffer in memory.
*
mp->port_tx_queue_command |= 1;
}
-/* Helper function for mv643xx_eth_open */
-static int mv643xx_eth_real_open(struct net_device *dev)
+/*
+ * mv643xx_eth_open
+ *
+ * This function is called when openning the network device. The function
+ * should initialize all the hardware, initialize cyclic Rx/Tx
+ * descriptors chain and buffers and allocate an IRQ to the network
+ * device.
+ *
+ * Input : a pointer to the network device structure
+ *
+ * Output : zero of success , nonzero if fails.
+ */
+
+static int mv643xx_eth_open(struct net_device *dev)
{
struct mv643xx_private *mp = netdev_priv(dev);
unsigned int port_num = mp->port_num;
unsigned int size;
+ int err;
+
+ err = request_irq(dev->irq, mv643xx_eth_int_handler,
+ SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
+ if (err) {
+ printk(KERN_ERR "Can not assign IRQ number to MV643XX_eth%d\n",
+ port_num);
+ return -EAGAIN;
+ }
/* Stop RX Queues */
mv_write(MV643XX_ETH_RECEIVE_QUEUE_COMMAND_REG(port_num), 0x0000ff00);
- /* Clear the ethernet port interrupts */
- mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0);
- mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0);
-
- /* Unmask RX buffer and TX end interrupt */
- mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num),
- INT_CAUSE_UNMASK_ALL);
-
- /* Unmask phy and link status changes interrupts */
- mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num),
- INT_CAUSE_UNMASK_ALL_EXT);
-
/* Set the MAC Address */
memcpy(mp->port_mac_addr, dev->dev_addr, 6);
GFP_KERNEL);
if (!mp->rx_skb) {
printk(KERN_ERR "%s: Cannot allocate Rx skb ring\n", dev->name);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto out_free_irq;
}
mp->tx_skb = kmalloc(sizeof(*mp->tx_skb) * mp->tx_ring_size,
GFP_KERNEL);
if (!mp->tx_skb) {
printk(KERN_ERR "%s: Cannot allocate Tx skb ring\n", dev->name);
- kfree(mp->rx_skb);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto out_free_rx_skb;
}
/* Allocate TX ring */
if (!mp->p_tx_desc_area) {
printk(KERN_ERR "%s: Cannot allocate Tx Ring (size %d bytes)\n",
dev->name, size);
- kfree(mp->rx_skb);
- kfree(mp->tx_skb);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto out_free_tx_skb;
}
BUG_ON((u32) mp->p_tx_desc_area & 0xf); /* check 16-byte alignment */
memset((void *)mp->p_tx_desc_area, 0, mp->tx_desc_area_size);
printk(KERN_ERR "%s: Freeing previously allocated TX queues...",
dev->name);
if (mp->rx_sram_size)
- iounmap(mp->p_rx_desc_area);
+ iounmap(mp->p_tx_desc_area);
else
dma_free_coherent(NULL, mp->tx_desc_area_size,
mp->p_tx_desc_area, mp->tx_desc_dma);
- kfree(mp->rx_skb);
- kfree(mp->tx_skb);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto out_free_tx_skb;
}
memset((void *)mp->p_rx_desc_area, 0, size);
mp->tx_int_coal =
eth_port_set_tx_coal(port_num, 133000000, MV643XX_TX_COAL);
- netif_start_queue(dev);
+ /* Clear any pending ethernet port interrupts */
+ mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0);
+ mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0);
+
+ /* Unmask phy and link status changes interrupts */
+ mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num),
+ INT_UNMASK_ALL_EXT);
+ /* Unmask RX buffer and TX end interrupt */
+ mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), INT_UNMASK_ALL);
return 0;
+
+out_free_tx_skb:
+ kfree(mp->tx_skb);
+out_free_rx_skb:
+ kfree(mp->rx_skb);
+out_free_irq:
+ free_irq(dev->irq, dev);
+
+ return err;
}
static void mv643xx_eth_free_tx_rings(struct net_device *dev)
struct mv643xx_private *mp = netdev_priv(dev);
unsigned int port_num = mp->port_num;
unsigned int curr;
+ struct sk_buff *skb;
/* Stop Tx Queues */
mv_write(MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_REG(port_num), 0x0000ff00);
/* Free outstanding skb's on TX rings */
for (curr = 0; mp->tx_ring_skbs && curr < mp->tx_ring_size; curr++) {
- if (mp->tx_skb[curr]) {
- dev_kfree_skb(mp->tx_skb[curr]);
+ skb = mp->tx_skb[curr];
+ if (skb) {
+ mp->tx_ring_skbs -= skb_shinfo(skb)->nr_frags;
+ dev_kfree_skb(skb);
mp->tx_ring_skbs--;
}
}
* Output : zero if success , nonzero if fails
*/
-/* Helper function for mv643xx_eth_stop */
-
-static int mv643xx_eth_real_stop(struct net_device *dev)
+static int mv643xx_eth_stop(struct net_device *dev)
{
struct mv643xx_private *mp = netdev_priv(dev);
unsigned int port_num = mp->port_num;
+ /* Mask all interrupts on ethernet port */
+ mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), INT_MASK_ALL);
+ /* wait for previous write to complete */
+ mv_read(MV643XX_ETH_INTERRUPT_MASK_REG(port_num));
+
+#ifdef MV643XX_NAPI
+ netif_poll_disable(dev);
+#endif
netif_carrier_off(dev);
netif_stop_queue(dev);
- mv643xx_eth_free_tx_rings(dev);
- mv643xx_eth_free_rx_rings(dev);
-
eth_port_reset(mp->port_num);
- /* Disable ethernet port interrupts */
- mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0);
- mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0);
-
- /* Mask RX buffer and TX end interrupt */
- mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), 0);
-
- /* Mask phy and link status changes interrupts */
- mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num), 0);
-
- return 0;
-}
-
-static int mv643xx_eth_stop(struct net_device *dev)
-{
- struct mv643xx_private *mp = netdev_priv(dev);
-
- spin_lock_irq(&mp->lock);
+ mv643xx_eth_free_tx_rings(dev);
+ mv643xx_eth_free_rx_rings(dev);
- mv643xx_eth_real_stop(dev);
+#ifdef MV643XX_NAPI
+ netif_poll_enable(dev);
+#endif
free_irq(dev->irq, dev);
- spin_unlock_irq(&mp->lock);
return 0;
}
struct pkt_info pkt_info;
while (eth_tx_return_desc(mp, &pkt_info) == ETH_OK) {
- if (pkt_info.return_info) {
- if (skb_shinfo(pkt_info.return_info)->nr_frags)
- dma_unmap_page(NULL, pkt_info.buf_ptr,
- pkt_info.byte_cnt,
- DMA_TO_DEVICE);
- else
- dma_unmap_single(NULL, pkt_info.buf_ptr,
- pkt_info.byte_cnt,
- DMA_TO_DEVICE);
+ if (pkt_info.cmd_sts & ETH_TX_FIRST_DESC)
+ dma_unmap_single(NULL, pkt_info.buf_ptr,
+ pkt_info.byte_cnt,
+ DMA_TO_DEVICE);
+ else
+ dma_unmap_page(NULL, pkt_info.buf_ptr,
+ pkt_info.byte_cnt,
+ DMA_TO_DEVICE);
+ if (pkt_info.return_info)
dev_kfree_skb_irq(pkt_info.return_info);
- } else
- dma_unmap_page(NULL, pkt_info.buf_ptr,
- pkt_info.byte_cnt, DMA_TO_DEVICE);
}
if (netif_queue_stopped(dev) &&
struct mv643xx_private *mp = netdev_priv(dev);
int done = 1, orig_budget, work_done;
unsigned int port_num = mp->port_num;
- unsigned long flags;
#ifdef MV643XX_TX_FAST_REFILL
if (++mp->tx_clean_threshold > 5) {
- spin_lock_irqsave(&mp->lock, flags);
mv643xx_tx(dev);
mp->tx_clean_threshold = 0;
- spin_unlock_irqrestore(&mp->lock, flags);
}
#endif
}
if (done) {
- spin_lock_irqsave(&mp->lock, flags);
- __netif_rx_complete(dev);
+ netif_rx_complete(dev);
mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0);
mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0);
mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num),
- INT_CAUSE_UNMASK_ALL);
- mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num),
- INT_CAUSE_UNMASK_ALL_EXT);
- spin_unlock_irqrestore(&mp->lock, flags);
+ INT_UNMASK_ALL);
}
return done ? 0 : 1;
}
#endif
+/* Hardware can't handle unaligned fragments smaller than 9 bytes.
+ * This helper function detects that case.
+ */
+
+static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb)
+{
+ unsigned int frag;
+ skb_frag_t *fragp;
+
+ for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
+ fragp = &skb_shinfo(skb)->frags[frag];
+ if (fragp->size <= 8 && fragp->page_offset & 0x7)
+ return 1;
+
+ }
+ return 0;
+}
+
+
/*
* mv643xx_eth_start_xmit
*
return 1;
}
+#ifdef MV643XX_CHECKSUM_OFFLOAD_TX
+ if (has_tiny_unaligned_frags(skb)) {
+ if ((skb_linearize(skb, GFP_ATOMIC) != 0)) {
+ stats->tx_dropped++;
+ printk(KERN_DEBUG "%s: failed to linearize tiny "
+ "unaligned fragment\n", dev->name);
+ return 1;
+ }
+ }
+
spin_lock_irqsave(&mp->lock, flags);
- /* Update packet info data structure -- DMA owned, first last */
-#ifdef MV643XX_CHECKSUM_OFFLOAD_TX
if (!skb_shinfo(skb)->nr_frags) {
-linear:
if (skb->ip_summed != CHECKSUM_HW) {
/* Errata BTS #50, IHL must be 5 if no HW checksum */
pkt_info.cmd_sts = ETH_TX_ENABLE_INTERRUPT |
5 << ETH_TX_IHL_SHIFT;
pkt_info.l4i_chk = 0;
} else {
-
pkt_info.cmd_sts = ETH_TX_ENABLE_INTERRUPT |
ETH_TX_FIRST_DESC |
ETH_TX_LAST_DESC |
ETH_GEN_IP_V_4_CHECKSUM |
skb->nh.iph->ihl << ETH_TX_IHL_SHIFT;
/* CPU already calculated pseudo header checksum. */
- if (skb->nh.iph->protocol == IPPROTO_UDP) {
+ if ((skb->protocol == ETH_P_IP) &&
+ (skb->nh.iph->protocol == IPPROTO_UDP) ) {
pkt_info.cmd_sts |= ETH_UDP_FRAME;
pkt_info.l4i_chk = skb->h.uh->check;
- } else if (skb->nh.iph->protocol == IPPROTO_TCP)
+ } else if ((skb->protocol == ETH_P_IP) &&
+ (skb->nh.iph->protocol == IPPROTO_TCP))
pkt_info.l4i_chk = skb->h.th->check;
else {
printk(KERN_ERR
- "%s: chksum proto != TCP or UDP\n",
+ "%s: chksum proto != IPv4 TCP or UDP\n",
dev->name);
spin_unlock_irqrestore(&mp->lock, flags);
return 1;
} else {
unsigned int frag;
- /* Since hardware can't handle unaligned fragments smaller
- * than 9 bytes, if we find any, we linearize the skb
- * and start again. When I've seen it, it's always been
- * the first frag (probably near the end of the page),
- * but we check all frags to be safe.
- */
- for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
- skb_frag_t *fragp;
-
- fragp = &skb_shinfo(skb)->frags[frag];
- if (fragp->size <= 8 && fragp->page_offset & 0x7) {
- skb_linearize(skb, GFP_ATOMIC);
- printk(KERN_DEBUG "%s: unaligned tiny fragment"
- "%d of %d, fixed\n",
- dev->name, frag,
- skb_shinfo(skb)->nr_frags);
- goto linear;
- }
- }
-
/* first frag which is skb header */
pkt_info.byte_cnt = skb_headlen(skb);
pkt_info.buf_ptr = dma_map_single(NULL, skb->data,
ETH_GEN_IP_V_4_CHECKSUM |
skb->nh.iph->ihl << ETH_TX_IHL_SHIFT;
/* CPU already calculated pseudo header checksum. */
- if (skb->nh.iph->protocol == IPPROTO_UDP) {
+ if ((skb->protocol == ETH_P_IP) &&
+ (skb->nh.iph->protocol == IPPROTO_UDP)) {
pkt_info.cmd_sts |= ETH_UDP_FRAME;
pkt_info.l4i_chk = skb->h.uh->check;
- } else if (skb->nh.iph->protocol == IPPROTO_TCP)
+ } else if ((skb->protocol == ETH_P_IP) &&
+ (skb->nh.iph->protocol == IPPROTO_TCP))
pkt_info.l4i_chk = skb->h.th->check;
else {
printk(KERN_ERR
- "%s: chksum proto != TCP or UDP\n",
+ "%s: chksum proto != IPv4 TCP or UDP\n",
dev->name);
spin_unlock_irqrestore(&mp->lock, flags);
return 1;
}
}
#else
+ spin_lock_irqsave(&mp->lock, flags);
+
pkt_info.cmd_sts = ETH_TX_ENABLE_INTERRUPT | ETH_TX_FIRST_DESC |
ETH_TX_LAST_DESC;
pkt_info.l4i_chk = 0;
}
#ifdef CONFIG_NET_POLL_CONTROLLER
-static inline void mv643xx_enable_irq(struct mv643xx_private *mp)
-{
- int port_num = mp->port_num;
- unsigned long flags;
-
- spin_lock_irqsave(&mp->lock, flags);
- mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num),
- INT_CAUSE_UNMASK_ALL);
- mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num),
- INT_CAUSE_UNMASK_ALL_EXT);
- spin_unlock_irqrestore(&mp->lock, flags);
-}
-
-static inline void mv643xx_disable_irq(struct mv643xx_private *mp)
-{
- int port_num = mp->port_num;
- unsigned long flags;
-
- spin_lock_irqsave(&mp->lock, flags);
- mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num),
- INT_CAUSE_MASK_ALL);
- mv_write(MV643XX_ETH_INTERRUPT_EXTEND_MASK_REG(port_num),
- INT_CAUSE_MASK_ALL_EXT);
- spin_unlock_irqrestore(&mp->lock, flags);
-}
-
static void mv643xx_netpoll(struct net_device *netdev)
{
struct mv643xx_private *mp = netdev_priv(netdev);
+ int port_num = mp->port_num;
+
+ mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), INT_MASK_ALL);
+ /* wait for previous write to complete */
+ mv_read(MV643XX_ETH_INTERRUPT_MASK_REG(port_num));
- mv643xx_disable_irq(mp);
mv643xx_eth_int_handler(netdev->irq, netdev, NULL);
- mv643xx_enable_irq(mp);
+
+ mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), INT_UNMASK_ALL);
}
#endif
* Zero copy can only work if we use Discovery II memory. Else, we will
* have to map the buffers to ISA memory which is only 16 MB
*/
- dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_HW_CSUM;
+ dev->features = NETIF_F_SG | NETIF_F_IP_CSUM;
#endif
#endif
return 1;
}
+/*
+ * The entries in each table are indexed by a hash of a packet's MAC
+ * address. One bit in each entry determines whether the packet is
+ * accepted. There are 4 entries (each 8 bits wide) in each register
+ * of the table. The bits in each entry are defined as follows:
+ * 0 Accept=1, Drop=0
+ * 3-1 Queue (ETH_Q0=0)
+ * 7-4 Reserved = 0;
+ */
+static void eth_port_set_filter_table_entry(int table, unsigned char entry)
+{
+ unsigned int table_reg;
+ unsigned int tbl_offset;
+ unsigned int reg_offset;
+
+ tbl_offset = (entry / 4) * 4; /* Register offset of DA table entry */
+ reg_offset = entry % 4; /* Entry offset within the register */
+
+ /* Set "accepts frame bit" at specified table entry */
+ table_reg = mv_read(table + tbl_offset);
+ table_reg |= 0x01 << (8 * reg_offset);
+ mv_write(table + tbl_offset, table_reg);
+}
+
+/*
+ * eth_port_mc_addr - Multicast address settings.
+ *
+ * The MV device supports multicast using two tables:
+ * 1) Special Multicast Table for MAC addresses of the form
+ * 0x01-00-5E-00-00-XX (where XX is between 0x00 and 0x_FF).
+ * The MAC DA[7:0] bits are used as a pointer to the Special Multicast
+ * Table entries in the DA-Filter table.
+ * 2) Other Multicast Table for multicast of another type. A CRC-8bit
+ * is used as an index to the Other Multicast Table entries in the
+ * DA-Filter table. This function calculates the CRC-8bit value.
+ * In either case, eth_port_set_filter_table_entry() is then called
+ * to set to set the actual table entry.
+ */
+static void eth_port_mc_addr(unsigned int eth_port_num, unsigned char *p_addr)
+{
+ unsigned int mac_h;
+ unsigned int mac_l;
+ unsigned char crc_result = 0;
+ int table;
+ int mac_array[48];
+ int crc[8];
+ int i;
+
+ if ((p_addr[0] == 0x01) && (p_addr[1] == 0x00) &&
+ (p_addr[2] == 0x5E) && (p_addr[3] == 0x00) && (p_addr[4] == 0x00)) {
+ table = MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE
+ (eth_port_num);
+ eth_port_set_filter_table_entry(table, p_addr[5]);
+ return;
+ }
+
+ /* Calculate CRC-8 out of the given address */
+ mac_h = (p_addr[0] << 8) | (p_addr[1]);
+ mac_l = (p_addr[2] << 24) | (p_addr[3] << 16) |
+ (p_addr[4] << 8) | (p_addr[5] << 0);
+
+ for (i = 0; i < 32; i++)
+ mac_array[i] = (mac_l >> i) & 0x1;
+ for (i = 32; i < 48; i++)
+ mac_array[i] = (mac_h >> (i - 32)) & 0x1;
+
+ crc[0] = mac_array[45] ^ mac_array[43] ^ mac_array[40] ^ mac_array[39] ^
+ mac_array[35] ^ mac_array[34] ^ mac_array[31] ^ mac_array[30] ^
+ mac_array[28] ^ mac_array[23] ^ mac_array[21] ^ mac_array[19] ^
+ mac_array[18] ^ mac_array[16] ^ mac_array[14] ^ mac_array[12] ^
+ mac_array[8] ^ mac_array[7] ^ mac_array[6] ^ mac_array[0];
+
+ crc[1] = mac_array[46] ^ mac_array[45] ^ mac_array[44] ^ mac_array[43] ^
+ mac_array[41] ^ mac_array[39] ^ mac_array[36] ^ mac_array[34] ^
+ mac_array[32] ^ mac_array[30] ^ mac_array[29] ^ mac_array[28] ^
+ mac_array[24] ^ mac_array[23] ^ mac_array[22] ^ mac_array[21] ^
+ mac_array[20] ^ mac_array[18] ^ mac_array[17] ^ mac_array[16] ^
+ mac_array[15] ^ mac_array[14] ^ mac_array[13] ^ mac_array[12] ^
+ mac_array[9] ^ mac_array[6] ^ mac_array[1] ^ mac_array[0];
+
+ crc[2] = mac_array[47] ^ mac_array[46] ^ mac_array[44] ^ mac_array[43] ^
+ mac_array[42] ^ mac_array[39] ^ mac_array[37] ^ mac_array[34] ^
+ mac_array[33] ^ mac_array[29] ^ mac_array[28] ^ mac_array[25] ^
+ mac_array[24] ^ mac_array[22] ^ mac_array[17] ^ mac_array[15] ^
+ mac_array[13] ^ mac_array[12] ^ mac_array[10] ^ mac_array[8] ^
+ mac_array[6] ^ mac_array[2] ^ mac_array[1] ^ mac_array[0];
+
+ crc[3] = mac_array[47] ^ mac_array[45] ^ mac_array[44] ^ mac_array[43] ^
+ mac_array[40] ^ mac_array[38] ^ mac_array[35] ^ mac_array[34] ^
+ mac_array[30] ^ mac_array[29] ^ mac_array[26] ^ mac_array[25] ^
+ mac_array[23] ^ mac_array[18] ^ mac_array[16] ^ mac_array[14] ^
+ mac_array[13] ^ mac_array[11] ^ mac_array[9] ^ mac_array[7] ^
+ mac_array[3] ^ mac_array[2] ^ mac_array[1];
+
+ crc[4] = mac_array[46] ^ mac_array[45] ^ mac_array[44] ^ mac_array[41] ^
+ mac_array[39] ^ mac_array[36] ^ mac_array[35] ^ mac_array[31] ^
+ mac_array[30] ^ mac_array[27] ^ mac_array[26] ^ mac_array[24] ^
+ mac_array[19] ^ mac_array[17] ^ mac_array[15] ^ mac_array[14] ^
+ mac_array[12] ^ mac_array[10] ^ mac_array[8] ^ mac_array[4] ^
+ mac_array[3] ^ mac_array[2];
+
+ crc[5] = mac_array[47] ^ mac_array[46] ^ mac_array[45] ^ mac_array[42] ^
+ mac_array[40] ^ mac_array[37] ^ mac_array[36] ^ mac_array[32] ^
+ mac_array[31] ^ mac_array[28] ^ mac_array[27] ^ mac_array[25] ^
+ mac_array[20] ^ mac_array[18] ^ mac_array[16] ^ mac_array[15] ^
+ mac_array[13] ^ mac_array[11] ^ mac_array[9] ^ mac_array[5] ^
+ mac_array[4] ^ mac_array[3];
+
+ crc[6] = mac_array[47] ^ mac_array[46] ^ mac_array[43] ^ mac_array[41] ^
+ mac_array[38] ^ mac_array[37] ^ mac_array[33] ^ mac_array[32] ^
+ mac_array[29] ^ mac_array[28] ^ mac_array[26] ^ mac_array[21] ^
+ mac_array[19] ^ mac_array[17] ^ mac_array[16] ^ mac_array[14] ^
+ mac_array[12] ^ mac_array[10] ^ mac_array[6] ^ mac_array[5] ^
+ mac_array[4];
+
+ crc[7] = mac_array[47] ^ mac_array[44] ^ mac_array[42] ^ mac_array[39] ^
+ mac_array[38] ^ mac_array[34] ^ mac_array[33] ^ mac_array[30] ^
+ mac_array[29] ^ mac_array[27] ^ mac_array[22] ^ mac_array[20] ^
+ mac_array[18] ^ mac_array[17] ^ mac_array[15] ^ mac_array[13] ^
+ mac_array[11] ^ mac_array[7] ^ mac_array[6] ^ mac_array[5];
+
+ for (i = 0; i < 8; i++)
+ crc_result = crc_result | (crc[i] << i);
+
+ table = MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE(eth_port_num);
+ eth_port_set_filter_table_entry(table, crc_result);
+}
+
+/*
+ * Set the entire multicast list based on dev->mc_list.
+ */
+static void eth_port_set_multicast_list(struct net_device *dev)
+{
+
+ struct dev_mc_list *mc_list;
+ int i;
+ int table_index;
+ struct mv643xx_private *mp = netdev_priv(dev);
+ unsigned int eth_port_num = mp->port_num;
+
+ /* If the device is in promiscuous mode or in all multicast mode,
+ * we will fully populate both multicast tables with accept.
+ * This is guaranteed to yield a match on all multicast addresses...
+ */
+ if ((dev->flags & IFF_PROMISC) || (dev->flags & IFF_ALLMULTI)) {
+ for (table_index = 0; table_index <= 0xFC; table_index += 4) {
+ /* Set all entries in DA filter special multicast
+ * table (Ex_dFSMT)
+ * Set for ETH_Q0 for now
+ * Bits
+ * 0 Accept=1, Drop=0
+ * 3-1 Queue ETH_Q0=0
+ * 7-4 Reserved = 0;
+ */
+ mv_write(MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101);
+
+ /* Set all entries in DA filter other multicast
+ * table (Ex_dFOMT)
+ * Set for ETH_Q0 for now
+ * Bits
+ * 0 Accept=1, Drop=0
+ * 3-1 Queue ETH_Q0=0
+ * 7-4 Reserved = 0;
+ */
+ mv_write(MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101);
+ }
+ return;
+ }
+
+ /* We will clear out multicast tables every time we get the list.
+ * Then add the entire new list...
+ */
+ for (table_index = 0; table_index <= 0xFC; table_index += 4) {
+ /* Clear DA filter special multicast table (Ex_dFSMT) */
+ mv_write(MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE
+ (eth_port_num) + table_index, 0);
+
+ /* Clear DA filter other multicast table (Ex_dFOMT) */
+ mv_write(MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE
+ (eth_port_num) + table_index, 0);
+ }
+
+ /* Get pointer to net_device multicast list and add each one... */
+ for (i = 0, mc_list = dev->mc_list;
+ (i < 256) && (mc_list != NULL) && (i < dev->mc_count);
+ i++, mc_list = mc_list->next)
+ if (mc_list->dmi_addrlen == 6)
+ eth_port_mc_addr(eth_port_num, mc_list->dmi_addr);
+}
+
/*
* eth_port_init_mac_tables - Clear all entrance in the UC, SMC and OMC tables
*
for (table_index = 0; table_index <= 0xFC; table_index += 4) {
/* Clear DA filter special multicast table (Ex_dFSMT) */
- mv_write((MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE
- (eth_port_num) + table_index), 0);
+ mv_write(MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE
+ (eth_port_num) + table_index, 0);
/* Clear DA filter other multicast table (Ex_dFOMT) */
- mv_write((MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE
- (eth_port_num) + table_index), 0);
+ mv_write(MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE
+ (eth_port_num) + table_index, 0);
}
}
struct eth_tx_desc *current_descriptor;
struct eth_tx_desc *first_descriptor;
u32 command;
+ unsigned long flags;
/* Do not process Tx ring in case of Tx ring resource error */
if (mp->tx_resource_err)
return ETH_ERROR;
}
+ spin_lock_irqsave(&mp->lock, flags);
+
mp->tx_ring_skbs++;
BUG_ON(mp->tx_ring_skbs > mp->tx_ring_size);
mp->tx_resource_err = 1;
mp->tx_curr_desc_q = tx_first_desc;
+ spin_unlock_irqrestore(&mp->lock, flags);
+
return ETH_QUEUE_LAST_RESOURCE;
}
mp->tx_curr_desc_q = tx_next_desc;
+ spin_unlock_irqrestore(&mp->lock, flags);
+
return ETH_OK;
}
#else
int tx_desc_used;
struct eth_tx_desc *current_descriptor;
unsigned int command_status;
+ unsigned long flags;
/* Do not process Tx ring in case of Tx ring resource error */
if (mp->tx_resource_err)
return ETH_QUEUE_FULL;
+ spin_lock_irqsave(&mp->lock, flags);
+
mp->tx_ring_skbs++;
BUG_ON(mp->tx_ring_skbs > mp->tx_ring_size);
/* Check for ring index overlap in the Tx desc ring */
if (tx_desc_curr == tx_desc_used) {
mp->tx_resource_err = 1;
+
+ spin_unlock_irqrestore(&mp->lock, flags);
return ETH_QUEUE_LAST_RESOURCE;
}
+ spin_unlock_irqrestore(&mp->lock, flags);
return ETH_OK;
}
#endif
* Tx ring 'first' and 'used' indexes are updated.
*
* RETURN:
- * ETH_ERROR in case the routine can not access Tx desc ring.
- * ETH_RETRY in case there is transmission in process.
- * ETH_END_OF_JOB if the routine has nothing to release.
- * ETH_OK otherwise.
+ * ETH_OK on success
+ * ETH_ERROR otherwise.
*
*/
static ETH_FUNC_RET_STATUS eth_tx_return_desc(struct mv643xx_private *mp,
struct pkt_info *p_pkt_info)
{
int tx_desc_used;
+ int tx_busy_desc;
+ struct eth_tx_desc *p_tx_desc_used;
+ unsigned int command_status;
+ unsigned long flags;
+ int err = ETH_OK;
+
+ spin_lock_irqsave(&mp->lock, flags);
+
#ifdef MV643XX_CHECKSUM_OFFLOAD_TX
- int tx_busy_desc = mp->tx_first_desc_q;
+ tx_busy_desc = mp->tx_first_desc_q;
#else
- int tx_busy_desc = mp->tx_curr_desc_q;
+ tx_busy_desc = mp->tx_curr_desc_q;
#endif
- struct eth_tx_desc *p_tx_desc_used;
- unsigned int command_status;
/* Get the Tx Desc ring indexes */
tx_desc_used = mp->tx_used_desc_q;
p_tx_desc_used = &mp->p_tx_desc_area[tx_desc_used];
/* Sanity check */
- if (p_tx_desc_used == NULL)
- return ETH_ERROR;
+ if (p_tx_desc_used == NULL) {
+ err = ETH_ERROR;
+ goto out;
+ }
/* Stop release. About to overlap the current available Tx descriptor */
- if (tx_desc_used == tx_busy_desc && !mp->tx_resource_err)
- return ETH_END_OF_JOB;
+ if (tx_desc_used == tx_busy_desc && !mp->tx_resource_err) {
+ err = ETH_ERROR;
+ goto out;
+ }
command_status = p_tx_desc_used->cmd_sts;
/* Still transmitting... */
- if (command_status & (ETH_BUFFER_OWNED_BY_DMA))
- return ETH_RETRY;
+ if (command_status & (ETH_BUFFER_OWNED_BY_DMA)) {
+ err = ETH_ERROR;
+ goto out;
+ }
/* Pass the packet information to the caller */
p_pkt_info->cmd_sts = command_status;
p_pkt_info->return_info = mp->tx_skb[tx_desc_used];
+ p_pkt_info->buf_ptr = p_tx_desc_used->buf_ptr;
+ p_pkt_info->byte_cnt = p_tx_desc_used->byte_cnt;
mp->tx_skb[tx_desc_used] = NULL;
/* Update the next descriptor to release. */
BUG_ON(mp->tx_ring_skbs == 0);
mp->tx_ring_skbs--;
- return ETH_OK;
+out:
+ spin_unlock_irqrestore(&mp->lock, flags);
+
+ return err;
}
/*
int rx_next_curr_desc, rx_curr_desc, rx_used_desc;
volatile struct eth_rx_desc *p_rx_desc;
unsigned int command_status;
+ unsigned long flags;
/* Do not process Rx ring in case of Rx ring resource error */
if (mp->rx_resource_err)
return ETH_QUEUE_FULL;
+ spin_lock_irqsave(&mp->lock, flags);
+
/* Get the Rx Desc ring 'curr and 'used' indexes */
rx_curr_desc = mp->rx_curr_desc_q;
rx_used_desc = mp->rx_used_desc_q;
rmb();
/* Nothing to receive... */
- if (command_status & (ETH_BUFFER_OWNED_BY_DMA))
+ if (command_status & (ETH_BUFFER_OWNED_BY_DMA)) {
+ spin_unlock_irqrestore(&mp->lock, flags);
return ETH_END_OF_JOB;
+ }
p_pkt_info->byte_cnt = (p_rx_desc->byte_cnt) - RX_BUF_OFFSET;
p_pkt_info->cmd_sts = command_status;
if (rx_next_curr_desc == rx_used_desc)
mp->rx_resource_err = 1;
+ spin_unlock_irqrestore(&mp->lock, flags);
+
return ETH_OK;
}
{
int used_rx_desc; /* Where to return Rx resource */
volatile struct eth_rx_desc *p_used_rx_desc;
+ unsigned long flags;
+
+ spin_lock_irqsave(&mp->lock, flags);
/* Get 'used' Rx descriptor */
used_rx_desc = mp->rx_used_desc_q;
/* Any Rx return cancels the Rx resource error status */
mp->rx_resource_err = 0;
+ spin_unlock_irqrestore(&mp->lock, flags);
+
return ETH_OK;
}
pci_set_master(pdev);
- if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)))
+ if (sizeof(dma_addr_t) > sizeof(u32) &&
+ !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) {
using_dac = 1;
- else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
- printk(KERN_ERR PFX "%s no usable DMA configuration\n",
- pci_name(pdev));
- goto err_out_free_regions;
+ err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ if (err < 0) {
+ printk(KERN_ERR PFX "%s unable to obtain 64 bit DMA "
+ "for consistent allocations\n", pci_name(pdev));
+ goto err_out_free_regions;
+ }
+ } else {
+ err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ if (err) {
+ printk(KERN_ERR PFX "%s no usable DMA configuration\n",
+ pci_name(pdev));
+ goto err_out_free_regions;
+ }
}
#ifdef __BIG_ENDIAN
#include "sky2.h"
#define DRV_NAME "sky2"
-#define DRV_VERSION "0.11"
+#define DRV_VERSION "0.13"
#define PFX DRV_NAME " "
/*
#define RX_LE_BYTES (RX_LE_SIZE*sizeof(struct sky2_rx_le))
#define RX_MAX_PENDING (RX_LE_SIZE/2 - 2)
#define RX_DEF_PENDING RX_MAX_PENDING
+#define RX_SKB_ALIGN 8
#define TX_RING_SIZE 512
#define TX_DEF_PENDING (TX_RING_SIZE - 1)
static const u32 default_msg =
NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
| NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR
- | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN | NETIF_MSG_INTR;
+ | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
static int debug = -1; /* defaults above */
module_param(debug, int, 0);
}
-static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, size_t len)
+/* Assign Ram Buffer allocation.
+ * start and end are in units of 4k bytes
+ * ram registers are in units of 64bit words
+ */
+static void sky2_ramset(struct sky2_hw *hw, u16 q, u8 startk, u8 endk)
{
- u32 end;
+ u32 start, end;
- start /= 8;
- len /= 8;
- end = start + len - 1;
+ start = startk * 4096/8;
+ end = (endk * 4096/8) - 1;
sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR);
sky2_write32(hw, RB_ADDR(q, RB_START), start);
sky2_write32(hw, RB_ADDR(q, RB_RP), start);
if (q == Q_R1 || q == Q_R2) {
- u32 rxup, rxlo;
+ u32 space = (endk - startk) * 4096/8;
+ u32 tp = space - space/4;
- rxlo = len/2;
- rxup = rxlo + len/4;
+ /* On receive queue's set the thresholds
+ * give receiver priority when > 3/4 full
+ * send pause when down to 2K
+ */
+ sky2_write32(hw, RB_ADDR(q, RB_RX_UTHP), tp);
+ sky2_write32(hw, RB_ADDR(q, RB_RX_LTHP), space/2);
- /* Set thresholds on receive queue's */
- sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), rxup);
- sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), rxlo);
+ tp = space - 2048/8;
+ sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp);
+ sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4);
} else {
/* Enable store & forward on Tx queue's because
* Tx FIFO is only 1K on Yukon
* This is a workaround code taken from SysKonnect sk98lin driver
* to deal with chip bug on Yukon EC rev 0 in the wraparound case.
*/
-static inline void sky2_put_idx(struct sky2_hw *hw, unsigned q,
+static void sky2_put_idx(struct sky2_hw *hw, unsigned q,
u16 idx, u16 *last, u16 size)
{
+ wmb();
if (is_ec_a1(hw) && idx < *last) {
u16 hwget = sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_GET_IDX));
sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), idx);
}
*last = idx;
+ mmiowb();
}
/* Return high part of DMA address (could be 32 or 64 bit) */
static inline u32 high32(dma_addr_t a)
{
- return (a >> 16) >> 16;
+ return sizeof(a) > sizeof(u32) ? (a >> 16) >> 16 : 0;
}
/* Build description to hardware about buffer */
-static inline void sky2_rx_add(struct sky2_port *sky2, dma_addr_t map)
+static void sky2_rx_add(struct sky2_port *sky2, dma_addr_t map)
{
struct sky2_rx_le *le;
u32 hi = high32(map);
struct sky2_hw *hw = sky2->hw;
u16 port = sky2->port;
- spin_lock(&sky2->tx_lock);
+ spin_lock_bh(&sky2->tx_lock);
sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON);
sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_ON);
sky2->vlgrp = grp;
- spin_unlock(&sky2->tx_lock);
+ spin_unlock_bh(&sky2->tx_lock);
}
static void sky2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
struct sky2_hw *hw = sky2->hw;
u16 port = sky2->port;
- spin_lock(&sky2->tx_lock);
+ spin_lock_bh(&sky2->tx_lock);
sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_OFF);
sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_OFF);
if (sky2->vlgrp)
sky2->vlgrp->vlan_devices[vid] = NULL;
- spin_unlock(&sky2->tx_lock);
+ spin_unlock_bh(&sky2->tx_lock);
}
#endif
+/*
+ * It appears the hardware has a bug in the FIFO logic that
+ * cause it to hang if the FIFO gets overrun and the receive buffer
+ * is not aligned. ALso alloc_skb() won't align properly if slab
+ * debugging is enabled.
+ */
+static inline struct sk_buff *sky2_alloc_skb(unsigned int size, gfp_t gfp_mask)
+{
+ struct sk_buff *skb;
+
+ skb = alloc_skb(size + RX_SKB_ALIGN, gfp_mask);
+ if (likely(skb)) {
+ unsigned long p = (unsigned long) skb->data;
+ skb_reserve(skb,
+ ((p + RX_SKB_ALIGN - 1) & ~(RX_SKB_ALIGN - 1)) - p);
+ }
+
+ return skb;
+}
+
/*
* Allocate and setup receiver buffer pool.
* In case of 64 bit dma, there are 2X as many list elements
* available as ring entries
* and need to reserve one list element so we don't wrap around.
- *
- * It appears the hardware has a bug in the FIFO logic that
- * cause it to hang if the FIFO gets overrun and the receive buffer
- * is not aligned. This means we can't use skb_reserve to align
- * the IP header.
*/
static int sky2_rx_start(struct sky2_port *sky2)
{
for (i = 0; i < sky2->rx_pending; i++) {
struct ring_info *re = sky2->rx_ring + i;
- re->skb = dev_alloc_skb(sky2->rx_bufsize);
+ re->skb = sky2_alloc_skb(sky2->rx_bufsize, GFP_KERNEL);
if (!re->skb)
goto nomem;
sky2_mac_init(hw, port);
- /* Configure RAM buffers */
- if (hw->chip_id == CHIP_ID_YUKON_FE ||
- (hw->chip_id == CHIP_ID_YUKON_EC && hw->chip_rev == 2))
- ramsize = 4096;
- else {
- u8 e0 = sky2_read8(hw, B2_E_0);
- ramsize = (e0 == 0) ? (128 * 1024) : (e0 * 4096);
- }
+ /* Determine available ram buffer space (in 4K blocks).
+ * Note: not sure about the FE setting below yet
+ */
+ if (hw->chip_id == CHIP_ID_YUKON_FE)
+ ramsize = 4;
+ else
+ ramsize = sky2_read8(hw, B2_E_0);
+
+ /* Give transmitter one third (rounded up) */
+ rxspace = ramsize - (ramsize + 2) / 3;
- /* 2/3 for Rx */
- rxspace = (2 * ramsize) / 3;
sky2_ramset(hw, rxqaddr[port], 0, rxspace);
- sky2_ramset(hw, txqaddr[port], rxspace, ramsize - rxspace);
+ sky2_ramset(hw, txqaddr[port], rxspace, ramsize);
/* Make sure SyncQ is disabled */
sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL),
}
/* Estimate of number of transmit list elements required */
-static inline unsigned tx_le_req(const struct sk_buff *skb)
+static unsigned tx_le_req(const struct sk_buff *skb)
{
unsigned count;
u16 mss;
u8 ctrl;
+ /* No BH disabling for tx_lock here. We are running in BH disabled
+ * context and TX reclaim runs via poll inside of a software
+ * interrupt, and no related locks in IRQ processing.
+ */
if (!spin_trylock(&sky2->tx_lock))
return NETDEV_TX_LOCKED;
*/
if (!netif_queue_stopped(dev)) {
netif_stop_queue(dev);
- printk(KERN_WARNING PFX "%s: ring full when queue awake!\n",
- dev->name);
+ if (net_ratelimit())
+ printk(KERN_WARNING PFX "%s: ring full when queue awake!\n",
+ dev->name);
}
spin_unlock(&sky2->tx_lock);
mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset,
frag->size, PCI_DMA_TODEVICE);
- addr64 = (mapping >> 16) >> 16;
+ addr64 = high32(mapping);
if (addr64 != sky2->tx_addr64) {
le = get_tx_le(sky2);
le->tx.addr = cpu_to_le32(addr64);
netif_stop_queue(dev);
out_unlock:
- mmiowb();
spin_unlock(&sky2->tx_lock);
dev->trans_start = jiffies;
dev_kfree_skb_any(skb);
}
- spin_lock(&sky2->tx_lock);
sky2->tx_cons = put;
if (netif_queue_stopped(dev) && tx_avail(sky2) > MAX_SKB_TX_LE)
netif_wake_queue(dev);
- spin_unlock(&sky2->tx_lock);
}
/* Cleanup all untransmitted buffers, assume transmitter not running */
static void sky2_tx_clean(struct sky2_port *sky2)
{
+ spin_lock_bh(&sky2->tx_lock);
sky2_tx_complete(sky2, sky2->tx_prod);
+ spin_unlock_bh(&sky2->tx_lock);
}
/* Network shutdown */
local_irq_enable();
}
+
+/* Transmit timeout is only called if we are running, carries is up
+ * and tx queue is full (stopped).
+ */
static void sky2_tx_timeout(struct net_device *dev)
{
struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
unsigned txq = txqaddr[sky2->port];
+ u16 ridx;
+
+ /* Maybe we just missed an status interrupt */
+ spin_lock(&sky2->tx_lock);
+ ridx = sky2_read16(hw,
+ sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX);
+ sky2_tx_complete(sky2, ridx);
+ spin_unlock(&sky2->tx_lock);
+
+ if (!netif_queue_stopped(dev)) {
+ if (net_ratelimit())
+ pr_info(PFX "transmit interrupt missed? recovered\n");
+ return;
+ }
if (netif_msg_timer(sky2))
printk(KERN_ERR PFX "%s: tx timeout\n", dev->name);
- netif_stop_queue(dev);
-
sky2_write32(hw, Q_ADDR(txq, Q_CSR), BMU_STOP);
- sky2_read32(hw, Q_ADDR(txq, Q_CSR));
-
sky2_write32(hw, Y2_QADDR(txq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET);
sky2_tx_clean(sky2);
sky2_qset(hw, txq);
sky2_prefetch_init(hw, txq, sky2->tx_le_map, TX_RING_SIZE - 1);
-
- netif_wake_queue(dev);
}
} else {
struct sk_buff *nskb;
- nskb = dev_alloc_skb(sky2->rx_bufsize);
+ nskb = sky2_alloc_skb(sky2->rx_bufsize, GFP_ATOMIC);
if (!nskb)
goto resubmit;
error:
++sky2->net_stats.rx_errors;
- if (netif_msg_rx_err(sky2))
+ if (netif_msg_rx_err(sky2) && net_ratelimit())
printk(KERN_INFO PFX "%s: rx error, status 0x%x length %d\n",
sky2->netdev->name, status, length);
*/
#define TX_NO_STATUS 0xffff
-static inline void sky2_tx_check(struct sky2_hw *hw, int port, u16 last)
+static void sky2_tx_check(struct sky2_hw *hw, int port, u16 last)
{
if (last != TX_NO_STATUS) {
struct net_device *dev = hw->dev[port];
if (dev && netif_running(dev)) {
struct sky2_port *sky2 = netdev_priv(dev);
+
+ spin_lock(&sky2->tx_lock);
sky2_tx_complete(sky2, last);
+ spin_unlock(&sky2->tx_lock);
}
}
}
struct sk_buff *skb;
u32 status;
u16 length;
- u8 op;
le = hw->st_le + hw->st_idx;
hw->st_idx = (hw->st_idx + 1) % STATUS_RING_SIZE;
sky2 = netdev_priv(dev);
status = le32_to_cpu(le->status);
length = le16_to_cpu(le->length);
- op = le->opcode & ~HW_OWNER;
- le->opcode = 0;
- switch (op) {
+ switch (le->opcode & ~HW_OWNER) {
case OP_RXSTAT:
skb = sky2_receive(sky2, length, status);
if (!skb)
default:
if (net_ratelimit())
printk(KERN_WARNING PFX
- "unknown status opcode 0x%x\n", op);
+ "unknown status opcode 0x%x\n", le->opcode);
break;
}
}
exit_loop:
sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ);
- mmiowb();
sky2_tx_check(hw, 0, tx_done[0]);
sky2_tx_check(hw, 1, tx_done[1]);
netif_rx_complete(dev0);
hw->intr_mask |= Y2_IS_STAT_BMU;
sky2_write32(hw, B0_IMSK, hw->intr_mask);
- mmiowb();
return 0;
} else {
*budget -= work_done;
{
struct net_device *dev = hw->dev[port];
- printk(KERN_INFO PFX "%s: hw error interrupt status 0x%x\n",
- dev->name, status);
+ if (net_ratelimit())
+ printk(KERN_INFO PFX "%s: hw error interrupt status 0x%x\n",
+ dev->name, status);
if (status & Y2_IS_PAR_RD1) {
- printk(KERN_ERR PFX "%s: ram data read parity error\n",
- dev->name);
+ if (net_ratelimit())
+ printk(KERN_ERR PFX "%s: ram data read parity error\n",
+ dev->name);
/* Clear IRQ */
sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_RD_PERR);
}
if (status & Y2_IS_PAR_WR1) {
- printk(KERN_ERR PFX "%s: ram data write parity error\n",
- dev->name);
+ if (net_ratelimit())
+ printk(KERN_ERR PFX "%s: ram data write parity error\n",
+ dev->name);
sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_WR_PERR);
}
if (status & Y2_IS_PAR_MAC1) {
- printk(KERN_ERR PFX "%s: MAC parity error\n", dev->name);
+ if (net_ratelimit())
+ printk(KERN_ERR PFX "%s: MAC parity error\n", dev->name);
sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_PE);
}
if (status & Y2_IS_PAR_RX1) {
- printk(KERN_ERR PFX "%s: RX parity error\n", dev->name);
+ if (net_ratelimit())
+ printk(KERN_ERR PFX "%s: RX parity error\n", dev->name);
sky2_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), BMU_CLR_IRQ_PAR);
}
if (status & Y2_IS_TCP_TXA1) {
- printk(KERN_ERR PFX "%s: TCP segmentation error\n", dev->name);
+ if (net_ratelimit())
+ printk(KERN_ERR PFX "%s: TCP segmentation error\n",
+ dev->name);
sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_CLR_IRQ_TCP);
}
}
u16 pci_err;
pci_read_config_word(hw->pdev, PCI_STATUS, &pci_err);
- printk(KERN_ERR PFX "%s: pci hw error (0x%x)\n",
- pci_name(hw->pdev), pci_err);
+ if (net_ratelimit())
+ printk(KERN_ERR PFX "%s: pci hw error (0x%x)\n",
+ pci_name(hw->pdev), pci_err);
sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
pci_write_config_word(hw->pdev, PCI_STATUS,
pci_read_config_dword(hw->pdev, PEX_UNC_ERR_STAT, &pex_err);
- printk(KERN_ERR PFX "%s: pci express error (0x%x)\n",
- pci_name(hw->pdev), pex_err);
+ if (net_ratelimit())
+ printk(KERN_ERR PFX "%s: pci express error (0x%x)\n",
+ pci_name(hw->pdev), pex_err);
/* clear the interrupt */
sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
return 0;
}
-static inline u32 sky2_supported_modes(const struct sky2_hw *hw)
+static u32 sky2_supported_modes(const struct sky2_hw *hw)
{
u32 modes;
if (hw->copper) {
return dev;
}
-static inline void sky2_show_addr(struct net_device *dev)
+static void __devinit sky2_show_addr(struct net_device *dev)
{
const struct sky2_port *sky2 = netdev_priv(dev);
goto err_out_free_regions;
}
- if (sizeof(dma_addr_t) > sizeof(u32)) {
- err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
- if (!err)
- using_dac = 1;
- }
+ if (sizeof(dma_addr_t) > sizeof(u32) &&
+ !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) {
+ using_dac = 1;
+ err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ if (err < 0) {
+ printk(KERN_ERR PFX "%s unable to obtain 64 bit DMA "
+ "for consistent allocations\n", pci_name(pdev));
+ goto err_out_free_regions;
+ }
- if (!using_dac) {
+ } else {
err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
if (err) {
printk(KERN_ERR PFX "%s no usable DMA configuration\n",
goto err_out_free_regions;
}
}
+
#ifdef __BIG_ENDIAN
/* byte swap descriptors in hardware */
{
#endif
err = -ENOMEM;
- hw = kmalloc(sizeof(*hw), GFP_KERNEL);
+ hw = kzalloc(sizeof(*hw), GFP_KERNEL);
if (!hw) {
printk(KERN_ERR PFX "%s: cannot allocate hardware struct\n",
pci_name(pdev));
goto err_out_free_regions;
}
- memset(hw, 0, sizeof(*hw));
hw->pdev = pdev;
hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000);
*/
#include <linux/config.h>
-
#include <linux/compiler.h>
#include <linux/crc32.h>
#include <linux/delay.h>
#include <linux/ethtool.h>
#include <linux/firmware.h>
#include <linux/if_vlan.h>
+#include <linux/in.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/ip.h>
#include <linux/slab.h>
#include <linux/tcp.h>
#include <linux/types.h>
+#include <linux/vmalloc.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <asm/bitops.h>
writel(value, card->regs + reg);
}
-/**
- * spider_net_write_reg_sync - writes to an SMMIO register of a card
- * @card: device structure
- * @reg: register to write to
- * @value: value to write into the specified SMMIO register
- *
- * Unlike spider_net_write_reg, this will also make sure the
- * data arrives on the card by reading the reg again.
- */
-static void
-spider_net_write_reg_sync(struct spider_net_card *card, u32 reg, u32 value)
-{
- value = cpu_to_le32(value);
- writel(value, card->regs + reg);
- (void)readl(card->regs + reg);
-}
-
-/**
- * spider_net_rx_irq_off - switch off rx irq on this spider card
- * @card: device structure
- *
- * switches off rx irq by masking them out in the GHIINTnMSK register
- */
-static void
-spider_net_rx_irq_off(struct spider_net_card *card)
-{
- u32 regvalue;
- unsigned long flags;
-
- spin_lock_irqsave(&card->intmask_lock, flags);
- regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK);
- regvalue &= ~SPIDER_NET_RXINT;
- spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue);
- spin_unlock_irqrestore(&card->intmask_lock, flags);
-}
-
/** spider_net_write_phy - write to phy register
* @netdev: adapter to be written to
* @mii_id: id of MII
}
/**
- * spider_net_rx_irq_on - switch on rx irq on this spider card
- * @card: device structure
- *
- * switches on rx irq by enabling them in the GHIINTnMSK register
- */
-static void
-spider_net_rx_irq_on(struct spider_net_card *card)
-{
- u32 regvalue;
- unsigned long flags;
-
- spin_lock_irqsave(&card->intmask_lock, flags);
- regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK);
- regvalue |= SPIDER_NET_RXINT;
- spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue);
- spin_unlock_irqrestore(&card->intmask_lock, flags);
-}
-
-/**
- * spider_net_tx_irq_off - switch off tx irq on this spider card
+ * spider_net_rx_irq_off - switch off rx irq on this spider card
* @card: device structure
*
- * switches off tx irq by masking them out in the GHIINTnMSK register
+ * switches off rx irq by masking them out in the GHIINTnMSK register
*/
static void
-spider_net_tx_irq_off(struct spider_net_card *card)
+spider_net_rx_irq_off(struct spider_net_card *card)
{
u32 regvalue;
- unsigned long flags;
- spin_lock_irqsave(&card->intmask_lock, flags);
- regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK);
- regvalue &= ~SPIDER_NET_TXINT;
- spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue);
- spin_unlock_irqrestore(&card->intmask_lock, flags);
+ regvalue = SPIDER_NET_INT0_MASK_VALUE & (~SPIDER_NET_RXINT);
+ spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, regvalue);
}
/**
- * spider_net_tx_irq_on - switch on tx irq on this spider card
+ * spider_net_rx_irq_on - switch on rx irq on this spider card
* @card: device structure
*
- * switches on tx irq by enabling them in the GHIINTnMSK register
+ * switches on rx irq by enabling them in the GHIINTnMSK register
*/
static void
-spider_net_tx_irq_on(struct spider_net_card *card)
+spider_net_rx_irq_on(struct spider_net_card *card)
{
u32 regvalue;
- unsigned long flags;
- spin_lock_irqsave(&card->intmask_lock, flags);
- regvalue = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK);
- regvalue |= SPIDER_NET_TXINT;
- spider_net_write_reg_sync(card, SPIDER_NET_GHIINT0MSK, regvalue);
- spin_unlock_irqrestore(&card->intmask_lock, flags);
+ regvalue = SPIDER_NET_INT0_MASK_VALUE | SPIDER_NET_RXINT;
+ spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, regvalue);
}
/**
spider_net_get_descr_status(struct spider_net_descr *descr)
{
u32 cmd_status;
- rmb();
+
cmd_status = descr->dmac_cmd_status;
- rmb();
cmd_status >>= SPIDER_NET_DESCR_IND_PROC_SHIFT;
/* no need to mask out any bits, as cmd_status is 32 bits wide only
* (and unsigned) */
{
u32 cmd_status;
/* read the status */
- mb();
cmd_status = descr->dmac_cmd_status;
/* clean the upper 4 bits */
cmd_status &= SPIDER_NET_DESCR_IND_PROC_MASKO;
cmd_status |= ((u32)status)<<SPIDER_NET_DESCR_IND_PROC_SHIFT;
/* and write it back */
descr->dmac_cmd_status = cmd_status;
- wmb();
}
/**
{
int i;
struct spider_net_descr *descr;
+ dma_addr_t buf;
- spin_lock_init(&card->chain_lock);
+ atomic_set(&card->rx_chain_refill,0);
descr = start_descr;
memset(descr, 0, sizeof(*descr) * no);
for (i=0; i<no; i++, descr++) {
spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE);
- descr->bus_addr =
- pci_map_single(card->pdev, descr,
- SPIDER_NET_DESCR_SIZE,
- PCI_DMA_BIDIRECTIONAL);
+ buf = pci_map_single(card->pdev, descr,
+ SPIDER_NET_DESCR_SIZE,
+ PCI_DMA_BIDIRECTIONAL);
- if (descr->bus_addr == DMA_ERROR_CODE)
+ if (buf == DMA_ERROR_CODE)
goto iommu_error;
+ descr->bus_addr = buf;
descr->next = descr + 1;
descr->prev = descr - 1;
for (i=0; i < no; i++, descr++)
if (descr->bus_addr)
pci_unmap_single(card->pdev, descr->bus_addr,
- SPIDER_NET_DESCR_SIZE, PCI_DMA_BIDIRECTIONAL);
+ SPIDER_NET_DESCR_SIZE,
+ PCI_DMA_BIDIRECTIONAL);
return -ENOMEM;
}
if (descr->skb) {
dev_kfree_skb(descr->skb);
pci_unmap_single(card->pdev, descr->buf_addr,
- SPIDER_NET_MAX_MTU,
+ SPIDER_NET_MAX_FRAME,
PCI_DMA_BIDIRECTIONAL);
}
descr = descr->next;
spider_net_prepare_rx_descr(struct spider_net_card *card,
struct spider_net_descr *descr)
{
+ dma_addr_t buf;
int error = 0;
int offset;
int bufsize;
/* we need to round up the buffer size to a multiple of 128 */
- bufsize = (SPIDER_NET_MAX_MTU + SPIDER_NET_RXBUF_ALIGN - 1) &
+ bufsize = (SPIDER_NET_MAX_FRAME + SPIDER_NET_RXBUF_ALIGN - 1) &
(~(SPIDER_NET_RXBUF_ALIGN - 1));
/* and we need to have it 128 byte aligned, therefore we allocate a
/* allocate an skb */
descr->skb = dev_alloc_skb(bufsize + SPIDER_NET_RXBUF_ALIGN - 1);
if (!descr->skb) {
- if (net_ratelimit())
- if (netif_msg_rx_err(card))
- pr_err("Not enough memory to allocate "
- "rx buffer\n");
+ if (netif_msg_rx_err(card) && net_ratelimit())
+ pr_err("Not enough memory to allocate rx buffer\n");
return -ENOMEM;
}
descr->buf_size = bufsize;
if (offset)
skb_reserve(descr->skb, SPIDER_NET_RXBUF_ALIGN - offset);
/* io-mmu-map the skb */
- descr->buf_addr = pci_map_single(card->pdev, descr->skb->data,
- SPIDER_NET_MAX_MTU,
- PCI_DMA_BIDIRECTIONAL);
- if (descr->buf_addr == DMA_ERROR_CODE) {
+ buf = pci_map_single(card->pdev, descr->skb->data,
+ SPIDER_NET_MAX_FRAME, PCI_DMA_BIDIRECTIONAL);
+ descr->buf_addr = buf;
+ if (buf == DMA_ERROR_CODE) {
dev_kfree_skb_any(descr->skb);
- if (netif_msg_rx_err(card))
+ if (netif_msg_rx_err(card) && net_ratelimit())
pr_err("Could not iommu-map rx buffer\n");
spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE);
} else {
}
/**
- * spider_net_enable_rxctails - sets RX dmac chain tail addresses
+ * spider_net_enable_rxchtails - sets RX dmac chain tail addresses
* @card: card structure
*
- * spider_net_enable_rxctails sets the RX DMAC chain tail adresses in the
+ * spider_net_enable_rxchtails sets the RX DMAC chain tail adresses in the
* chip by writing to the appropriate register. DMA is enabled in
* spider_net_enable_rxdmac.
*/
static void
spider_net_enable_rxdmac(struct spider_net_card *card)
{
+ wmb();
spider_net_write_reg(card, SPIDER_NET_GDADMACCNTR,
SPIDER_NET_DMA_RX_VALUE);
}
* spider_net_refill_rx_chain - refills descriptors/skbs in the rx chains
* @card: card structure
*
- * refills descriptors in all chains (last used chain first): allocates skbs
- * and iommu-maps them.
+ * refills descriptors in the rx chain: allocates skbs and iommu-maps them.
*/
static void
spider_net_refill_rx_chain(struct spider_net_card *card)
{
struct spider_net_descr_chain *chain;
- int count = 0;
- unsigned long flags;
chain = &card->rx_chain;
- spin_lock_irqsave(&card->chain_lock, flags);
- while (spider_net_get_descr_status(chain->head) ==
- SPIDER_NET_DESCR_NOT_IN_USE) {
- if (spider_net_prepare_rx_descr(card, chain->head))
- break;
- count++;
- chain->head = chain->head->next;
- }
- spin_unlock_irqrestore(&card->chain_lock, flags);
+ /* one context doing the refill (and a second context seeing that
+ * and omitting it) is ok. If called by NAPI, we'll be called again
+ * as spider_net_decode_one_descr is called several times. If some
+ * interrupt calls us, the NAPI is about to clean up anyway. */
+ if (atomic_inc_return(&card->rx_chain_refill) == 1)
+ while (spider_net_get_descr_status(chain->head) ==
+ SPIDER_NET_DESCR_NOT_IN_USE) {
+ if (spider_net_prepare_rx_descr(card, chain->head))
+ break;
+ chain->head = chain->head->next;
+ }
- /* could be optimized, only do that, if we know the DMA processing
- * has terminated */
- if (count)
- spider_net_enable_rxdmac(card);
+ atomic_dec(&card->rx_chain_refill);
}
/**
/* this will allocate the rest of the rx buffers; if not, it's
* business as usual later on */
spider_net_refill_rx_chain(card);
+ spider_net_enable_rxdmac(card);
return 0;
error:
* @card: adapter structure
* @brutal: if set, don't care about whether descriptor seems to be in use
*
- * releases the tx descriptors that spider has finished with (if non-brutal)
- * or simply release tx descriptors (if brutal)
+ * returns 0 if the tx ring is empty, otherwise 1.
+ *
+ * spider_net_release_tx_chain releases the tx descriptors that spider has
+ * finished with (if non-brutal) or simply release tx descriptors (if brutal).
+ * If some other context is calling this function, we return 1 so that we're
+ * scheduled again (if we were scheduled) and will not loose initiative.
*/
-static void
+static int
spider_net_release_tx_chain(struct spider_net_card *card, int brutal)
{
struct spider_net_descr_chain *tx_chain = &card->tx_chain;
enum spider_net_descr_status status;
- spider_net_tx_irq_off(card);
+ if (atomic_inc_return(&card->tx_chain_release) != 1) {
+ atomic_dec(&card->tx_chain_release);
+ return 1;
+ }
- /* no lock for chain needed, if this is only executed once at a time */
-again:
for (;;) {
status = spider_net_get_descr_status(tx_chain->tail);
switch (status) {
case SPIDER_NET_DESCR_CARDOWNED:
- if (!brutal) goto out;
+ if (!brutal)
+ goto out;
/* fallthrough, if we release the descriptors
* brutally (then we don't care about
* SPIDER_NET_DESCR_CARDOWNED) */
tx_chain->tail = tx_chain->tail->next;
}
out:
+ atomic_dec(&card->tx_chain_release);
+
netif_wake_queue(card->netdev);
- if (!brutal) {
- /* switch on tx irqs (while we are still in the interrupt
- * handler, so we don't get an interrupt), check again
- * for done descriptors. This results in fewer interrupts */
- spider_net_tx_irq_on(card);
- status = spider_net_get_descr_status(tx_chain->tail);
- switch (status) {
- case SPIDER_NET_DESCR_RESPONSE_ERROR:
- case SPIDER_NET_DESCR_PROTECTION_ERROR:
- case SPIDER_NET_DESCR_FORCE_END:
- case SPIDER_NET_DESCR_COMPLETE:
- goto again;
- default:
- break;
- }
- }
+ if (status == SPIDER_NET_DESCR_CARDOWNED)
+ return 1;
+ return 0;
+}
+/**
+ * spider_net_cleanup_tx_ring - cleans up the TX ring
+ * @card: card structure
+ *
+ * spider_net_cleanup_tx_ring is called by the tx_timer (as we don't use
+ * interrupts to cleanup our TX ring) and returns sent packets to the stack
+ * by freeing them
+ */
+static void
+spider_net_cleanup_tx_ring(struct spider_net_card *card)
+{
+ if ( (spider_net_release_tx_chain(card, 0)) &&
+ (card->netdev->flags & IFF_UP) ) {
+ mod_timer(&card->tx_timer, jiffies + SPIDER_NET_TX_TIMER);
+ }
}
/**
static u8
spider_net_get_multicast_hash(struct net_device *netdev, __u8 *addr)
{
- /* FIXME: an addr of 01:00:5e:00:00:01 must result in 0xa9,
- * ff:ff:ff:ff:ff:ff must result in 0xfd */
u32 crc;
u8 hash;
+ char addr_for_crc[ETH_ALEN] = { 0, };
+ int i, bit;
- crc = crc32_be(~0, addr, netdev->addr_len);
+ for (i = 0; i < ETH_ALEN * 8; i++) {
+ bit = (addr[i / 8] >> (i % 8)) & 1;
+ addr_for_crc[ETH_ALEN - 1 - i / 8] += bit << (7 - (i % 8));
+ }
+
+ crc = crc32_be(~0, addr_for_crc, netdev->addr_len);
hash = (crc >> 27);
hash <<= 3;
hash |= crc & 7;
+ hash &= 0xff;
return hash;
}
{
struct spider_net_card *card = netdev_priv(netdev);
+ tasklet_kill(&card->rxram_full_tl);
netif_poll_disable(netdev);
netif_carrier_off(netdev);
netif_stop_queue(netdev);
+ del_timer_sync(&card->tx_timer);
/* disable/mask all interrupts */
spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, 0);
* @skb: packet to consider
*
* fills out the command and status field of the descriptor structure,
- * depending on hardware checksum settings. This function assumes a wmb()
- * has executed before.
+ * depending on hardware checksum settings.
*/
static void
spider_net_set_txdescr_cmdstat(struct spider_net_descr *descr,
struct sk_buff *skb)
{
+ /* make sure the other fields in the descriptor are written */
+ wmb();
+
if (skb->ip_summed != CHECKSUM_HW) {
descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_NOCS;
return;
/* is packet ip?
* if yes: tcp? udp? */
if (skb->protocol == htons(ETH_P_IP)) {
- if (skb->nh.iph->protocol == IPPROTO_TCP) {
+ if (skb->nh.iph->protocol == IPPROTO_TCP)
descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_TCPCS;
- } else if (skb->nh.iph->protocol == IPPROTO_UDP) {
+ else if (skb->nh.iph->protocol == IPPROTO_UDP)
descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_UDPCS;
- } else { /* the stack should checksum non-tcp and non-udp
- packets on his own: NETIF_F_IP_CSUM */
+ else /* the stack should checksum non-tcp and non-udp
+ packets on his own: NETIF_F_IP_CSUM */
descr->dmac_cmd_status = SPIDER_NET_DMAC_CMDSTAT_NOCS;
- }
}
}
struct spider_net_descr *descr,
struct sk_buff *skb)
{
- descr->buf_addr = pci_map_single(card->pdev, skb->data,
- skb->len, PCI_DMA_BIDIRECTIONAL);
- if (descr->buf_addr == DMA_ERROR_CODE) {
- if (netif_msg_tx_err(card))
+ dma_addr_t buf;
+
+ buf = pci_map_single(card->pdev, skb->data,
+ skb->len, PCI_DMA_BIDIRECTIONAL);
+ if (buf == DMA_ERROR_CODE) {
+ if (netif_msg_tx_err(card) && net_ratelimit())
pr_err("could not iommu-map packet (%p, %i). "
"Dropping packet\n", skb->data, skb->len);
return -ENOMEM;
}
+ descr->buf_addr = buf;
descr->buf_size = skb->len;
descr->skb = skb;
descr->data_status = 0;
- /* make sure the above values are in memory before we change the
- * status */
- wmb();
-
spider_net_set_txdescr_cmdstat(descr,skb);
return 0;
struct spider_net_descr *descr;
int result;
- descr = spider_net_get_next_tx_descr(card);
+ spider_net_release_tx_chain(card, 0);
- if (!descr) {
- netif_stop_queue(netdev);
+ descr = spider_net_get_next_tx_descr(card);
- descr = spider_net_get_next_tx_descr(card);
- if (!descr)
- goto error;
- else
- netif_start_queue(netdev);
- }
+ if (!descr)
+ goto error;
result = spider_net_prepare_tx_descr(card, descr, skb);
if (result)
card->tx_chain.head = card->tx_chain.head->next;
- /* make sure the status from spider_net_prepare_tx_descr is in
- * memory before we check out the previous descriptor */
- wmb();
-
if (spider_net_get_descr_status(descr->prev) !=
- SPIDER_NET_DESCR_CARDOWNED)
- spider_net_kick_tx_dma(card, descr);
+ SPIDER_NET_DESCR_CARDOWNED) {
+ /* make sure the current descriptor is in memory. Then
+ * kicking it on again makes sense, if the previous is not
+ * card-owned anymore. Check the previous descriptor twice
+ * to omit an mb() in heavy traffic cases */
+ mb();
+ if (spider_net_get_descr_status(descr->prev) !=
+ SPIDER_NET_DESCR_CARDOWNED)
+ spider_net_kick_tx_dma(card, descr);
+ }
+
+ mod_timer(&card->tx_timer, jiffies + SPIDER_NET_TX_TIMER);
return NETDEV_TX_OK;
error:
card->netdev_stats.tx_dropped++;
- return NETDEV_TX_LOCKED;
+ return NETDEV_TX_BUSY;
}
/**
* spider_net_pass_skb_up - takes an skb from a descriptor and passes it on
* @descr: descriptor to process
* @card: card structure
+ * @napi: whether caller is in NAPI context
*
* returns 1 on success, 0 if no packet was passed to the stack
*
*/
static int
spider_net_pass_skb_up(struct spider_net_descr *descr,
- struct spider_net_card *card)
+ struct spider_net_card *card, int napi)
{
struct sk_buff *skb;
struct net_device *netdev;
netdev = card->netdev;
- /* check for errors in the data_error flag */
- if ((data_error & SPIDER_NET_DATA_ERROR_MASK) &&
- netif_msg_rx_err(card))
- pr_err("error in received descriptor found, "
- "data_status=x%08x, data_error=x%08x\n",
- data_status, data_error);
-
- /* prepare skb, unmap descriptor */
- skb = descr->skb;
- pci_unmap_single(card->pdev, descr->buf_addr, SPIDER_NET_MAX_MTU,
+ /* unmap descriptor */
+ pci_unmap_single(card->pdev, descr->buf_addr, SPIDER_NET_MAX_FRAME,
PCI_DMA_BIDIRECTIONAL);
/* the cases we'll throw away the packet immediately */
- if (data_error & SPIDER_NET_DESTROY_RX_FLAGS)
+ if (data_error & SPIDER_NET_DESTROY_RX_FLAGS) {
+ if (netif_msg_rx_err(card))
+ pr_err("error in received descriptor found, "
+ "data_status=x%08x, data_error=x%08x\n",
+ data_status, data_error);
return 0;
+ }
+ skb = descr->skb;
skb->dev = netdev;
skb_put(skb, descr->valid_size);
/* checksum offload */
if (card->options.rx_csum) {
- if ( (data_status & SPIDER_NET_DATA_STATUS_CHK_MASK) &&
- (!(data_error & SPIDER_NET_DATA_ERROR_CHK_MASK)) )
+ if ( ( (data_status & SPIDER_NET_DATA_STATUS_CKSUM_MASK) ==
+ SPIDER_NET_DATA_STATUS_CKSUM_MASK) &&
+ !(data_error & SPIDER_NET_DATA_ERR_CKSUM_MASK))
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
skb->ip_summed = CHECKSUM_NONE;
- } else {
+ } else
skb->ip_summed = CHECKSUM_NONE;
- }
if (data_status & SPIDER_NET_VLAN_PACKET) {
/* further enhancements: HW-accel VLAN
}
/* pass skb up to stack */
- netif_receive_skb(skb);
+ if (napi)
+ netif_receive_skb(skb);
+ else
+ netif_rx_ni(skb);
/* update netdevice statistics */
card->netdev_stats.rx_packets++;
}
/**
- * spider_net_decode_descr - processes an rx descriptor
+ * spider_net_decode_one_descr - processes an rx descriptor
* @card: card structure
+ * @napi: whether caller is in NAPI context
*
* returns 1 if a packet has been sent to the stack, otherwise 0
*
* processes an rx descriptor by iommu-unmapping the data buffer and passing
- * the packet up to the stack
+ * the packet up to the stack. This function is called in softirq
+ * context, e.g. either bottom half from interrupt or NAPI polling context
*/
static int
-spider_net_decode_one_descr(struct spider_net_card *card)
+spider_net_decode_one_descr(struct spider_net_card *card, int napi)
{
enum spider_net_descr_status status;
struct spider_net_descr *descr;
if (status == SPIDER_NET_DESCR_CARDOWNED) {
/* nothing in the descriptor yet */
- return 0;
+ result=0;
+ goto out;
}
if (status == SPIDER_NET_DESCR_NOT_IN_USE) {
- /* not initialized yet, I bet chain->tail == chain->head
- * and the ring is empty */
+ /* not initialized yet, the ring must be empty */
spider_net_refill_rx_chain(card);
- return 0;
+ spider_net_enable_rxdmac(card);
+ result=0;
+ goto out;
}
- /* descriptor definitively used -- move on head */
+ /* descriptor definitively used -- move on tail */
chain->tail = descr->next;
result = 0;
pr_err("%s: dropping RX descriptor with state %d\n",
card->netdev->name, status);
card->netdev_stats.rx_dropped++;
+ pci_unmap_single(card->pdev, descr->buf_addr,
+ SPIDER_NET_MAX_FRAME, PCI_DMA_BIDIRECTIONAL);
+ dev_kfree_skb_irq(descr->skb);
goto refill;
}
}
/* ok, we've got a packet in descr */
- result = spider_net_pass_skb_up(descr, card);
+ result = spider_net_pass_skb_up(descr, card, napi);
refill:
spider_net_set_descr_status(descr, SPIDER_NET_DESCR_NOT_IN_USE);
/* change the descriptor state: */
- spider_net_refill_rx_chain(card);
-
+ if (!napi)
+ spider_net_refill_rx_chain(card);
+out:
return result;
}
packets_to_do = min(*budget, netdev->quota);
while (packets_to_do) {
- if (spider_net_decode_one_descr(card)) {
+ if (spider_net_decode_one_descr(card, 1)) {
packets_done++;
packets_to_do--;
} else {
netdev->quota -= packets_done;
*budget -= packets_done;
+ spider_net_refill_rx_chain(card);
/* if all packets are in the stack, enable interrupts and return 0 */
/* if not, return 1 */
card->tx_chain.tail->bus_addr);
}
+/**
+ * spider_net_handle_rxram_full - cleans up RX ring upon RX RAM full interrupt
+ * @card: card structure
+ *
+ * spider_net_handle_rxram_full empties the RX ring so that spider can put
+ * more packets in it and empty its RX RAM. This is called in bottom half
+ * context
+ */
+static void
+spider_net_handle_rxram_full(struct spider_net_card *card)
+{
+ while (spider_net_decode_one_descr(card, 0))
+ ;
+ spider_net_enable_rxchtails(card);
+ spider_net_enable_rxdmac(card);
+ netif_rx_schedule(card->netdev);
+}
+
/**
* spider_net_handle_error_irq - handles errors raised by an interrupt
* @card: card structure
switch (i)
{
case SPIDER_NET_GTMFLLINT:
- if (netif_msg_intr(card))
+ if (netif_msg_intr(card) && net_ratelimit())
pr_err("Spider TX RAM full\n");
show_error = 0;
break;
+ case SPIDER_NET_GRFDFLLINT: /* fallthrough */
+ case SPIDER_NET_GRFCFLLINT: /* fallthrough */
+ case SPIDER_NET_GRFBFLLINT: /* fallthrough */
+ case SPIDER_NET_GRFAFLLINT: /* fallthrough */
case SPIDER_NET_GRMFLLINT:
- if (netif_msg_intr(card))
+ if (netif_msg_intr(card) && net_ratelimit())
pr_err("Spider RX RAM full, incoming packets "
- "might be discarded !\n");
- netif_rx_schedule(card->netdev);
- spider_net_enable_rxchtails(card);
- spider_net_enable_rxdmac(card);
+ "might be discarded!\n");
+ spider_net_rx_irq_off(card);
+ tasklet_schedule(&card->rxram_full_tl);
+ show_error = 0;
break;
/* case SPIDER_NET_GTMSHTINT: problem, print a message */
/* allrighty. tx from previous descr ok */
show_error = 0;
break;
- /* case SPIDER_NET_GRFDFLLINT: print a message down there */
- /* case SPIDER_NET_GRFCFLLINT: print a message down there */
- /* case SPIDER_NET_GRFBFLLINT: print a message down there */
- /* case SPIDER_NET_GRFAFLLINT: print a message down there */
/* chain end */
case SPIDER_NET_GDDDCEINT: /* fallthrough */
"restarting DMAC %c.\n",
'D'+i-SPIDER_NET_GDDDCEINT);
spider_net_refill_rx_chain(card);
+ spider_net_enable_rxdmac(card);
show_error = 0;
break;
case SPIDER_NET_GDAINVDINT:
/* could happen when rx chain is full */
spider_net_refill_rx_chain(card);
+ spider_net_enable_rxdmac(card);
show_error = 0;
break;
if (!status_reg)
return IRQ_NONE;
- if (status_reg & SPIDER_NET_TXINT)
- spider_net_release_tx_chain(card, 0);
-
if (status_reg & SPIDER_NET_RXINT ) {
spider_net_rx_irq_off(card);
netif_rx_schedule(netdev);
}
- /* we do this after rx and tx processing, as we want the tx chain
- * processed to see, whether we should restart tx dma processing */
- spider_net_handle_error_irq(card, status_reg);
+ if (status_reg & SPIDER_NET_ERRINT )
+ spider_net_handle_error_irq(card, status_reg);
/* clear interrupt sources */
spider_net_write_reg(card, SPIDER_NET_GHIINT0STS, status_reg);
/**
* spider_net_download_firmware - loads firmware into the adapter
* @card: card structure
- * @firmware: firmware pointer
+ * @firmware_ptr: pointer to firmware data
*
- * spider_net_download_firmware loads the firmware opened by
- * spider_net_init_firmware into the adapter.
+ * spider_net_download_firmware loads the firmware data into the
+ * adapter. It assumes the length etc. to be allright.
*/
-static void
+static int
spider_net_download_firmware(struct spider_net_card *card,
- const struct firmware *firmware)
+ u8 *firmware_ptr)
{
int sequencer, i;
- u32 *fw_ptr = (u32 *)firmware->data;
+ u32 *fw_ptr = (u32 *)firmware_ptr;
/* stop sequencers */
spider_net_write_reg(card, SPIDER_NET_GSINIT,
SPIDER_NET_STOP_SEQ_VALUE);
- for (sequencer = 0; sequencer < 6; sequencer++) {
+ for (sequencer = 0; sequencer < SPIDER_NET_FIRMWARE_SEQS;
+ sequencer++) {
spider_net_write_reg(card,
SPIDER_NET_GSnPRGADR + sequencer * 8, 0);
- for (i = 0; i < SPIDER_NET_FIRMWARE_LEN; i++) {
+ for (i = 0; i < SPIDER_NET_FIRMWARE_SEQWORDS; i++) {
spider_net_write_reg(card, SPIDER_NET_GSnPRGDAT +
sequencer * 8, *fw_ptr);
fw_ptr++;
}
}
+ if (spider_net_read_reg(card, SPIDER_NET_GSINIT))
+ return -EIO;
+
spider_net_write_reg(card, SPIDER_NET_GSINIT,
SPIDER_NET_RUN_SEQ_VALUE);
+
+ return 0;
}
/**
static int
spider_net_init_firmware(struct spider_net_card *card)
{
- const struct firmware *firmware;
- int err = -EIO;
+ struct firmware *firmware = NULL;
+ struct device_node *dn;
+ u8 *fw_prop = NULL;
+ int err = -ENOENT;
+ int fw_size;
+
+ if (request_firmware((const struct firmware **)&firmware,
+ SPIDER_NET_FIRMWARE_NAME, &card->pdev->dev) == 0) {
+ if ( (firmware->size != SPIDER_NET_FIRMWARE_LEN) &&
+ netif_msg_probe(card) ) {
+ pr_err("Incorrect size of spidernet firmware in " \
+ "filesystem. Looking in host firmware...\n");
+ goto try_host_fw;
+ }
+ err = spider_net_download_firmware(card, firmware->data);
- if (request_firmware(&firmware,
- SPIDER_NET_FIRMWARE_NAME, &card->pdev->dev) < 0) {
- if (netif_msg_probe(card))
- pr_err("Couldn't read in sequencer data file %s.\n",
- SPIDER_NET_FIRMWARE_NAME);
- firmware = NULL;
- goto out;
- }
+ release_firmware(firmware);
+ if (err)
+ goto try_host_fw;
- if (firmware->size != 6 * SPIDER_NET_FIRMWARE_LEN * sizeof(u32)) {
- if (netif_msg_probe(card))
- pr_err("Invalid size of sequencer data file %s.\n",
- SPIDER_NET_FIRMWARE_NAME);
- goto out;
+ goto done;
}
- spider_net_download_firmware(card, firmware);
+try_host_fw:
+ dn = pci_device_to_OF_node(card->pdev);
+ if (!dn)
+ goto out_err;
- err = 0;
-out:
- release_firmware(firmware);
+ fw_prop = (u8 *)get_property(dn, "firmware", &fw_size);
+ if (!fw_prop)
+ goto out_err;
+
+ if ( (fw_size != SPIDER_NET_FIRMWARE_LEN) &&
+ netif_msg_probe(card) ) {
+ pr_err("Incorrect size of spidernet firmware in " \
+ "host firmware\n");
+ goto done;
+ }
+ err = spider_net_download_firmware(card, fw_prop);
+
+done:
+ return err;
+out_err:
+ if (netif_msg_probe(card))
+ pr_err("Couldn't find spidernet firmware in filesystem " \
+ "or host firmware\n");
return err;
}
SPIDER_NET_CKRCTRL_RUN_VALUE);
/* empty sequencer data */
- for (sequencer = 0; sequencer < 6; sequencer++) {
+ for (sequencer = 0; sequencer < SPIDER_NET_FIRMWARE_SEQS;
+ sequencer++) {
spider_net_write_reg(card, SPIDER_NET_GSnPRGDAT +
sequencer * 8, 0x0);
- for (i = 0; i < SPIDER_NET_FIRMWARE_LEN; i++) {
+ for (i = 0; i < SPIDER_NET_FIRMWARE_SEQWORDS; i++) {
spider_net_write_reg(card, SPIDER_NET_GSnPRGDAT +
sequencer * 8, 0x0);
}
SET_NETDEV_DEV(netdev, &card->pdev->dev);
pci_set_drvdata(card->pdev, netdev);
- spin_lock_init(&card->intmask_lock);
+
+ atomic_set(&card->tx_chain_release,0);
+ card->rxram_full_tl.data = (unsigned long) card;
+ card->rxram_full_tl.func =
+ (void (*)(unsigned long)) spider_net_handle_rxram_full;
+ init_timer(&card->tx_timer);
+ card->tx_timer.function =
+ (void (*)(unsigned long)) spider_net_cleanup_tx_ring;
+ card->tx_timer.data = (unsigned long) card;
netdev->irq = card->pdev->irq;
card->options.rx_csum = SPIDER_NET_RX_CSUM_DEFAULT;
extern char spider_net_driver_name[];
-#define SPIDER_NET_MAX_MTU 2308
+#define SPIDER_NET_MAX_FRAME 2312
+#define SPIDER_NET_MAX_MTU 2294
#define SPIDER_NET_MIN_MTU 64
#define SPIDER_NET_RXBUF_ALIGN 128
-#define SPIDER_NET_RX_DESCRIPTORS_DEFAULT 64
+#define SPIDER_NET_RX_DESCRIPTORS_DEFAULT 256
#define SPIDER_NET_RX_DESCRIPTORS_MIN 16
-#define SPIDER_NET_RX_DESCRIPTORS_MAX 256
+#define SPIDER_NET_RX_DESCRIPTORS_MAX 512
-#define SPIDER_NET_TX_DESCRIPTORS_DEFAULT 64
+#define SPIDER_NET_TX_DESCRIPTORS_DEFAULT 256
#define SPIDER_NET_TX_DESCRIPTORS_MIN 16
-#define SPIDER_NET_TX_DESCRIPTORS_MAX 256
+#define SPIDER_NET_TX_DESCRIPTORS_MAX 512
+
+#define SPIDER_NET_TX_TIMER 20
#define SPIDER_NET_RX_CSUM_DEFAULT 1
-#define SPIDER_NET_WATCHDOG_TIMEOUT 5*HZ
-#define SPIDER_NET_NAPI_WEIGHT 64
+#define SPIDER_NET_WATCHDOG_TIMEOUT 50*HZ
+#define SPIDER_NET_NAPI_WEIGHT 64
-#define SPIDER_NET_FIRMWARE_LEN 1024
+#define SPIDER_NET_FIRMWARE_SEQS 6
+#define SPIDER_NET_FIRMWARE_SEQWORDS 1024
+#define SPIDER_NET_FIRMWARE_LEN (SPIDER_NET_FIRMWARE_SEQS * \
+ SPIDER_NET_FIRMWARE_SEQWORDS * \
+ sizeof(u32))
#define SPIDER_NET_FIRMWARE_NAME "spider_fw.bin"
/** spider_net SMMIO registers */
/** SCONFIG registers */
#define SPIDER_NET_SCONFIG_IOACTE 0x00002810
-/** hardcoded register values */
-#define SPIDER_NET_INT0_MASK_VALUE 0x3f7fe3ff
-#define SPIDER_NET_INT1_MASK_VALUE 0xffffffff
+/** interrupt mask registers */
+#define SPIDER_NET_INT0_MASK_VALUE 0x3f7fe2c7
+#define SPIDER_NET_INT1_MASK_VALUE 0xffff7ff7
/* no MAC aborts -> auto retransmission */
-#define SPIDER_NET_INT2_MASK_VALUE 0xfffffff1
+#define SPIDER_NET_INT2_MASK_VALUE 0xffef7ff1
-/* clear counter when interrupt sources are cleared
-#define SPIDER_NET_FRAMENUM_VALUE 0x0001f001 */
/* we rely on flagged descriptor interrupts */
#define SPIDER_NET_FRAMENUM_VALUE 0x00000000
/* set this first, then the FRAMENUM_VALUE */
#if 0
#define SPIDER_NET_WOL_VALUE 0x00000000
#endif
-#define SPIDER_NET_IPSECINIT_VALUE 0x00f000f8
+#define SPIDER_NET_IPSECINIT_VALUE 0x6f716f71
/* pause frames: automatic, no upper retransmission count */
/* outside loopback mode: ETOMOD signal dont matter, not connected */
#define SPIDER_NET_RXINT ( (1 << SPIDER_NET_GDAFDCINT) | \
(1 << SPIDER_NET_GRMFLLINT) )
+#define SPIDER_NET_ERRINT ( 0xffffffff & \
+ (~SPIDER_NET_TXINT) & \
+ (~SPIDER_NET_RXINT) )
+
#define SPIDER_NET_GPREXEC 0x80000000
#define SPIDER_NET_GPRDAT_MASK 0x0000ffff
/* descr ready, descr is in middle of chain, get interrupt on completion */
#define SPIDER_NET_DMAC_RX_CARDOWNED 0xa0800000
-/* multicast is no problem */
-#define SPIDER_NET_DATA_ERROR_MASK 0xffffbfff
-
enum spider_net_descr_status {
SPIDER_NET_DESCR_COMPLETE = 0x00, /* used in rx and tx */
SPIDER_NET_DESCR_RESPONSE_ERROR = 0x01, /* used in rx and tx */
struct spider_net_descr {
/* as defined by the hardware */
- dma_addr_t buf_addr;
+ u32 buf_addr;
u32 buf_size;
- dma_addr_t next_descr_addr;
+ u32 next_descr_addr;
u32 dmac_cmd_status;
u32 result_size;
u32 valid_size; /* all zeroes for tx */
/* used in the driver */
struct sk_buff *skb;
- dma_addr_t bus_addr;
+ u32 bus_addr;
struct spider_net_descr *next;
struct spider_net_descr *prev;
} __attribute__((aligned(32)));
};
/* descriptor data_status bits */
-#define SPIDER_NET_RXIPCHK 29
-#define SPIDER_NET_TCPUDPIPCHK 28
-#define SPIDER_NET_DATA_STATUS_CHK_MASK (1 << SPIDER_NET_RXIPCHK | \
- 1 << SPIDER_NET_TCPUDPIPCHK)
-
+#define SPIDER_NET_RX_IPCHK 29
+#define SPIDER_NET_RX_TCPCHK 28
#define SPIDER_NET_VLAN_PACKET 21
+#define SPIDER_NET_DATA_STATUS_CKSUM_MASK ( (1 << SPIDER_NET_RX_IPCHK) | \
+ (1 << SPIDER_NET_RX_TCPCHK) )
/* descriptor data_error bits */
-#define SPIDER_NET_RXIPCHKERR 27
-#define SPIDER_NET_RXTCPCHKERR 26
-#define SPIDER_NET_DATA_ERROR_CHK_MASK (1 << SPIDER_NET_RXIPCHKERR | \
- 1 << SPIDER_NET_RXTCPCHKERR)
+#define SPIDER_NET_RX_IPCHKERR 27
+#define SPIDER_NET_RX_RXTCPCHKERR 28
+
+#define SPIDER_NET_DATA_ERR_CKSUM_MASK (1 << SPIDER_NET_RX_IPCHKERR)
-/* the cases we don't pass the packet to the stack */
-#define SPIDER_NET_DESTROY_RX_FLAGS 0x70138000
+/* the cases we don't pass the packet to the stack.
+ * 701b8000 would be correct, but every packets gets that flag */
+#define SPIDER_NET_DESTROY_RX_FLAGS 0x700b8000
#define SPIDER_NET_DESCR_SIZE 32
struct spider_net_descr_chain tx_chain;
struct spider_net_descr_chain rx_chain;
- spinlock_t chain_lock;
+ atomic_t rx_chain_refill;
+ atomic_t tx_chain_release;
struct net_device_stats netdev_stats;
struct spider_net_options options;
spinlock_t intmask_lock;
+ struct tasklet_struct rxram_full_tl;
+ struct timer_list tx_timer;
struct work_struct tx_timeout_task;
atomic_t tx_timeout_task_counter;
return 0;
}
+static uint32_t
+spider_net_ethtool_get_tx_csum(struct net_device *netdev)
+{
+ return (netdev->features & NETIF_F_HW_CSUM) != 0;
+}
+
+static int
+spider_net_ethtool_set_tx_csum(struct net_device *netdev, uint32_t data)
+{
+ if (data)
+ netdev->features |= NETIF_F_HW_CSUM;
+ else
+ netdev->features &= ~NETIF_F_HW_CSUM;
+
+ return 0;
+}
+
struct ethtool_ops spider_net_ethtool_ops = {
.get_settings = spider_net_ethtool_get_settings,
.get_drvinfo = spider_net_ethtool_get_drvinfo,
.nway_reset = spider_net_ethtool_nway_reset,
.get_rx_csum = spider_net_ethtool_get_rx_csum,
.set_rx_csum = spider_net_ethtool_set_rx_csum,
+ .get_tx_csum = spider_net_ethtool_get_tx_csum,
+ .set_tx_csum = spider_net_ethtool_set_tx_csum,
};
int channel = fwrq->m;
/* We should do a better check than that,
* based on the card capability !!! */
- if((channel < 1) || (channel > 16)) {
+ if((channel < 1) || (channel > 14)) {
printk(KERN_DEBUG "%s: New channel value of %d is invalid!\n", dev->name, fwrq->m);
rc = -EINVAL;
} else {
readConfigRid(local, 1);
/* Yes ! We can set it !!! */
- local->config.channelSet = (u16)(channel - 1);
+ local->config.channelSet = (u16) channel;
set_bit (FLAG_COMMIT, &local->flags);
}
}
{
struct airo_info *local = dev->priv;
StatusRid status_rid; /* Card status info */
+ int ch;
readConfigRid(local, 1);
if ((local->config.opmode & 0xFF) == MODE_STA_ESS)
else
readStatusRid(local, &status_rid, 1);
-#ifdef WEXT_USECHANNELS
- fwrq->m = ((int)status_rid.channel) + 1;
- fwrq->e = 0;
-#else
- {
- int f = (int)status_rid.channel;
- fwrq->m = frequency_list[f] * 100000;
+ ch = (int)status_rid.channel;
+ if((ch > 0) && (ch < 15)) {
+ fwrq->m = frequency_list[ch - 1] * 100000;
fwrq->e = 1;
+ } else {
+ fwrq->m = ch;
+ fwrq->e = 0;
}
-#endif
return 0;
}
/* If none, we may want to get the one that was set */
/* Push it out ! */
- dwrq->length = status_rid.SSIDlen + 1;
+ dwrq->length = status_rid.SSIDlen;
dwrq->flags = 1; /* active */
return 0;
if (priv->new_SSID_size != 0) {
memcpy(extra, priv->new_SSID, priv->new_SSID_size);
extra[priv->new_SSID_size] = '\0';
- dwrq->length = priv->new_SSID_size + 1;
+ dwrq->length = priv->new_SSID_size;
} else {
memcpy(extra, priv->SSID, priv->SSID_size);
extra[priv->SSID_size] = '\0';
- dwrq->length = priv->SSID_size + 1;
+ dwrq->length = priv->SSID_size;
}
dwrq->flags = !priv->connect_to_any_BSS; /* active */
depends on HOSTAP
---help---
Configure Host AP driver to include support for firmware image
- download. Current version supports only downloading to volatile, i.e.,
- RAM memory. Flash upgrade is not yet supported.
+ download. This option by itself only enables downloading to the
+ volatile memory, i.e. the card RAM. This option is required to
+ support cards that don't have firmware in flash, such as D-Link
+ DWL-520 rev E and D-Link DWL-650 rev P.
- Firmware image downloading needs user space tool, prism2_srec. It is
- available from http://hostap.epitest.fi/.
+ Firmware image downloading needs a user space tool, prism2_srec.
+ It is available from http://hostap.epitest.fi/.
+
+config HOSTAP_FIRMWARE_NVRAM
+ bool "Support for non-volatile firmware download"
+ depends on HOSTAP_FIRMWARE
+ ---help---
+ Allow Host AP driver to write firmware images to the non-volatile
+ card memory, i.e. flash memory that survives power cycling.
+ Enable this option if you want to be able to change card firmware
+ permanently.
+
+ Firmware image downloading needs a user space tool, prism2_srec.
+ It is available from http://hostap.epitest.fi/.
config HOSTAP_PLX
tristate "Host AP driver for Prism2/2.5/3 in PLX9052 PCI adaptors"
-hostap-y := hostap_main.o
+hostap-y := hostap_80211_rx.o hostap_80211_tx.o hostap_ap.o hostap_info.o \
+ hostap_ioctl.o hostap_main.o hostap_proc.o
obj-$(CONFIG_HOSTAP) += hostap.o
obj-$(CONFIG_HOSTAP_CS) += hostap_cs.o
#ifndef HOSTAP_H
#define HOSTAP_H
+#include <linux/ethtool.h>
+
+#include "hostap_wlan.h"
+#include "hostap_ap.h"
+
+static const long freq_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
+ 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
+#define FREQ_COUNT (sizeof(freq_list) / sizeof(freq_list[0]))
+
/* hostap.c */
extern struct proc_dir_entry *hostap_proc;
int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype,
u8 *body, size_t bodylen);
int prism2_sta_deauth(local_info_t *local, u16 reason);
+int prism2_wds_add(local_info_t *local, u8 *remote_addr,
+ int rtnl_locked);
+int prism2_wds_del(local_info_t *local, u8 *remote_addr,
+ int rtnl_locked, int do_not_remove);
+
+
+/* hostap_ap.c */
+
+int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac);
+int ap_control_del_mac(struct mac_restrictions *mac_restrictions, u8 *mac);
+void ap_control_flush_macs(struct mac_restrictions *mac_restrictions);
+int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, u8 *mac);
+void ap_control_kickall(struct ap_data *ap);
+void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent,
+ struct ieee80211_crypt_data ***crypt);
+int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[],
+ struct iw_quality qual[], int buf_size,
+ int aplist);
+int prism2_ap_translate_scan(struct net_device *dev, char *buffer);
+int prism2_hostapd(struct ap_data *ap, struct prism2_hostapd_param *param);
/* hostap_proc.c */
void hostap_info_process(local_info_t *local, struct sk_buff *skb);
+/* hostap_ioctl.c */
+
+extern const struct iw_handler_def hostap_iw_handler_def;
+extern struct ethtool_ops prism2_ethtool_ops;
+
+int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
+
+
#endif /* HOSTAP_H */
#ifndef HOSTAP_80211_H
#define HOSTAP_80211_H
+#include <linux/types.h>
+#include <net/ieee80211_crypt.h>
+
struct hostap_ieee80211_mgmt {
u16 frame_control;
u16 duration;
#include <linux/etherdevice.h>
+#include <net/ieee80211_crypt.h>
#include "hostap_80211.h"
#include "hostap.h"
+#include "hostap_ap.h"
+
+/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
+/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
+static unsigned char rfc1042_header[] =
+{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
+/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
+static unsigned char bridge_tunnel_header[] =
+{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
+/* No encapsulation header if EtherType < 0x600 (=length) */
void hostap_dump_rx_80211(const char *name, struct sk_buff *skb,
struct hostap_80211_rx_status *rx_stats)
+#include "hostap_80211.h"
+#include "hostap_common.h"
+#include "hostap_wlan.h"
+#include "hostap.h"
+#include "hostap_ap.h"
+
+/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
+/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
+static unsigned char rfc1042_header[] =
+{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
+/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
+static unsigned char bridge_tunnel_header[] =
+{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
+/* No encapsulation header if EtherType < 0x600 (=length) */
+
void hostap_dump_tx_80211(const char *name, struct sk_buff *skb)
{
struct ieee80211_hdr_4addr *hdr;
* (8802.11: 5.5)
*/
+#include <linux/proc_fs.h>
+#include <linux/delay.h>
+#include <linux/random.h>
+
+#include "hostap_wlan.h"
+#include "hostap.h"
+#include "hostap_ap.h"
+
static int other_ap_policy[MAX_PARM_DEVICES] = { AP_OTHER_AP_SKIP_ALL,
DEF_INTS };
module_param_array(other_ap_policy, int, NULL, 0444);
}
-static int ap_control_add_mac(struct mac_restrictions *mac_restrictions,
- u8 *mac)
+int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac)
{
struct mac_entry *entry;
}
-static int ap_control_del_mac(struct mac_restrictions *mac_restrictions,
- u8 *mac)
+int ap_control_del_mac(struct mac_restrictions *mac_restrictions, u8 *mac)
{
struct list_head *ptr;
struct mac_entry *entry;
}
-static void ap_control_flush_macs(struct mac_restrictions *mac_restrictions)
+void ap_control_flush_macs(struct mac_restrictions *mac_restrictions)
{
struct list_head *ptr, *n;
struct mac_entry *entry;
}
-static int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev,
- u8 *mac)
+int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev, u8 *mac)
{
struct sta_info *sta;
u16 resp;
#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
-static void ap_control_kickall(struct ap_data *ap)
+void ap_control_kickall(struct ap_data *ap)
{
struct list_head *ptr, *n;
struct sta_info *sta;
}
-static int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[],
- struct iw_quality qual[], int buf_size,
- int aplist)
+int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[],
+ struct iw_quality qual[], int buf_size,
+ int aplist)
{
struct ap_data *ap = local->ap;
struct list_head *ptr;
/* Translate our list of Access Points & Stations to a card independant
* format that the Wireless Tools will understand - Jean II */
-static int prism2_ap_translate_scan(struct net_device *dev, char *buffer)
+int prism2_ap_translate_scan(struct net_device *dev, char *buffer)
{
struct hostap_interface *iface;
local_info_t *local;
}
-static int prism2_hostapd(struct ap_data *ap,
- struct prism2_hostapd_param *param)
+int prism2_hostapd(struct ap_data *ap, struct prism2_hostapd_param *param)
{
switch (param->cmd) {
case PRISM2_HOSTAPD_FLUSH:
}
-static void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent,
- struct ieee80211_crypt_data ***crypt)
+void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent,
+ struct ieee80211_crypt_data ***crypt)
{
struct sta_info *sta;
#ifndef HOSTAP_AP_H
#define HOSTAP_AP_H
+#include "hostap_80211.h"
+
/* AP data structures for STAs */
/* maximum number of frames to buffer per STA */
#ifndef HOSTAP_COMMON_H
#define HOSTAP_COMMON_H
+#include <linux/types.h>
+#include <linux/if_ether.h>
+
#define BIT(x) (1 << (x))
#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
#define PRISM2_DOWNLOAD_SUPPORT
#endif
-#ifdef PRISM2_DOWNLOAD_SUPPORT
-/* Allow writing firmware images into flash, i.e., to non-volatile storage.
- * Before you enable this option, you should make absolutely sure that you are
- * using prism2_srec utility that comes with THIS version of the driver!
- * In addition, please note that it is possible to kill your card with
- * non-volatile download if you are using incorrect image. This feature has not
- * been fully tested, so please be careful with it. */
-/* #define PRISM2_NON_VOLATILE_DOWNLOAD */
-#endif /* PRISM2_DOWNLOAD_SUPPORT */
+/* Allow kernel configuration to enable non-volatile download support. */
+#ifdef CONFIG_HOSTAP_FIRMWARE_NVRAM
+#define PRISM2_NON_VOLATILE_DOWNLOAD
+#endif
/* Save low-level I/O for debugging. This should not be enabled in normal use.
*/
/* Host AP driver Info Frame processing (part of hostap.o module) */
+#include "hostap_wlan.h"
+#include "hostap.h"
+#include "hostap_ap.h"
/* Called only as a tasklet (software IRQ) */
static void prism2_info_commtallies16(local_info_t *local, unsigned char *buf,
/* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
-#ifdef in_atomic
-/* Get kernel_locked() for in_atomic() */
+#include <linux/types.h>
#include <linux/smp_lock.h>
-#endif
#include <linux/ethtool.h>
+#include <net/ieee80211_crypt.h>
+#include "hostap_wlan.h"
+#include "hostap.h"
+#include "hostap_ap.h"
static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
{
local->sta_fw_ver & 0xff);
}
-static struct ethtool_ops prism2_ethtool_ops = {
+struct ethtool_ops prism2_ethtool_ops = {
.get_drvinfo = prism2_get_drvinfo
};
(iw_handler) prism2_ioctl_priv_readmif, /* 3 */
};
-static const struct iw_handler_def hostap_iw_handler_def =
+const struct iw_handler_def hostap_iw_handler_def =
{
.num_standard = sizeof(prism2_handler) / sizeof(iw_handler),
.num_private = sizeof(prism2_private_handler) / sizeof(iw_handler),
#include <linux/kmod.h>
#include <linux/rtnetlink.h>
#include <linux/wireless.h>
+#include <linux/etherdevice.h>
#include <net/iw_handler.h>
#include <net/ieee80211.h>
#include <net/ieee80211_crypt.h>
#define PRISM2_MAX_MTU (PRISM2_MAX_FRAME_SIZE - (6 /* LLC */ + 8 /* WEP */))
-/* hostap.c */
-static int prism2_wds_add(local_info_t *local, u8 *remote_addr,
- int rtnl_locked);
-static int prism2_wds_del(local_info_t *local, u8 *remote_addr,
- int rtnl_locked, int do_not_remove);
-
-/* hostap_ap.c */
-static int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[],
- struct iw_quality qual[], int buf_size,
- int aplist);
-static int prism2_ap_translate_scan(struct net_device *dev, char *buffer);
-static int prism2_hostapd(struct ap_data *ap,
- struct prism2_hostapd_param *param);
-static void * ap_crypt_get_ptrs(struct ap_data *ap, u8 *addr, int permanent,
- struct ieee80211_crypt_data ***crypt);
-static void ap_control_kickall(struct ap_data *ap);
-#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
-static int ap_control_add_mac(struct mac_restrictions *mac_restrictions,
- u8 *mac);
-static int ap_control_del_mac(struct mac_restrictions *mac_restrictions,
- u8 *mac);
-static void ap_control_flush_macs(struct mac_restrictions *mac_restrictions);
-static int ap_control_kick_mac(struct ap_data *ap, struct net_device *dev,
- u8 *mac);
-#endif /* !PRISM2_NO_KERNEL_IEEE80211_MGMT */
-
-
-static const long freq_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442,
- 2447, 2452, 2457, 2462, 2467, 2472, 2484 };
-#define FREQ_COUNT (sizeof(freq_list) / sizeof(freq_list[0]))
-
-
-/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
-/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
-static unsigned char rfc1042_header[] =
-{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
-/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
-static unsigned char bridge_tunnel_header[] =
-{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
-/* No encapsulation header if EtherType < 0x600 (=length) */
-
-
-/* FIX: these could be compiled separately and linked together to hostap.o */
-#include "hostap_ap.c"
-#include "hostap_info.c"
-#include "hostap_ioctl.c"
-#include "hostap_proc.c"
-#include "hostap_80211_rx.c"
-#include "hostap_80211_tx.c"
-
-
struct net_device * hostap_add_interface(struct local_info *local,
int type, int rtnl_locked,
const char *prefix,
}
-static int prism2_wds_add(local_info_t *local, u8 *remote_addr,
- int rtnl_locked)
+int prism2_wds_add(local_info_t *local, u8 *remote_addr,
+ int rtnl_locked)
{
struct net_device *dev;
struct list_head *ptr;
}
-static int prism2_wds_del(local_info_t *local, u8 *remote_addr,
- int rtnl_locked, int do_not_remove)
+int prism2_wds_del(local_info_t *local, u8 *remote_addr,
+ int rtnl_locked, int do_not_remove)
{
unsigned long flags;
struct list_head *ptr;
/* /proc routines for Host AP driver */
+#include <linux/types.h>
+#include <linux/proc_fs.h>
+#include <net/ieee80211_crypt.h>
+
+#include "hostap_wlan.h"
+#include "hostap.h"
+
#define PROC_LIMIT (PAGE_SIZE - 80)
#ifndef HOSTAP_WLAN_H
#define HOSTAP_WLAN_H
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+#include <net/iw_handler.h>
+
#include "hostap_config.h"
#include "hostap_common.h"
return &priv->ieee->stats;
}
-#if WIRELESS_EXT < 18
-/* Support for wpa_supplicant before WE-18, deprecated. */
-
-/* following definitions must match definitions in driver_ipw.c */
-
-#define IPW2100_IOCTL_WPA_SUPPLICANT SIOCIWFIRSTPRIV+30
-
-#define IPW2100_CMD_SET_WPA_PARAM 1
-#define IPW2100_CMD_SET_WPA_IE 2
-#define IPW2100_CMD_SET_ENCRYPTION 3
-#define IPW2100_CMD_MLME 4
-
-#define IPW2100_PARAM_WPA_ENABLED 1
-#define IPW2100_PARAM_TKIP_COUNTERMEASURES 2
-#define IPW2100_PARAM_DROP_UNENCRYPTED 3
-#define IPW2100_PARAM_PRIVACY_INVOKED 4
-#define IPW2100_PARAM_AUTH_ALGS 5
-#define IPW2100_PARAM_IEEE_802_1X 6
-
-#define IPW2100_MLME_STA_DEAUTH 1
-#define IPW2100_MLME_STA_DISASSOC 2
-
-#define IPW2100_CRYPT_ERR_UNKNOWN_ALG 2
-#define IPW2100_CRYPT_ERR_UNKNOWN_ADDR 3
-#define IPW2100_CRYPT_ERR_CRYPT_INIT_FAILED 4
-#define IPW2100_CRYPT_ERR_KEY_SET_FAILED 5
-#define IPW2100_CRYPT_ERR_TX_KEY_SET_FAILED 6
-#define IPW2100_CRYPT_ERR_CARD_CONF_FAILED 7
-
-#define IPW2100_CRYPT_ALG_NAME_LEN 16
-
-struct ipw2100_param {
- u32 cmd;
- u8 sta_addr[ETH_ALEN];
- union {
- struct {
- u8 name;
- u32 value;
- } wpa_param;
- struct {
- u32 len;
- u8 reserved[32];
- u8 data[0];
- } wpa_ie;
- struct {
- u32 command;
- u32 reason_code;
- } mlme;
- struct {
- u8 alg[IPW2100_CRYPT_ALG_NAME_LEN];
- u8 set_tx;
- u32 err;
- u8 idx;
- u8 seq[8]; /* sequence counter (set: RX, get: TX) */
- u16 key_len;
- u8 key[0];
- } crypt;
-
- } u;
-};
-
-/* end of driver_ipw.c code */
-#endif /* WIRELESS_EXT < 18 */
-
static int ipw2100_wpa_enable(struct ipw2100_priv *priv, int value)
{
/* This is called when wpa_supplicant loads and closes the driver
return 0;
}
-#if WIRELESS_EXT < 18
-#define IW_AUTH_ALG_OPEN_SYSTEM 0x1
-#define IW_AUTH_ALG_SHARED_KEY 0x2
-#endif
-
static int ipw2100_wpa_set_auth_algs(struct ipw2100_priv *priv, int value)
{
ipw2100_set_wpa_ie(priv, &frame, 0);
}
-#if WIRELESS_EXT < 18
-static int ipw2100_wpa_set_param(struct net_device *dev, u8 name, u32 value)
-{
- struct ipw2100_priv *priv = ieee80211_priv(dev);
- struct ieee80211_crypt_data *crypt;
- unsigned long flags;
- int ret = 0;
-
- switch (name) {
- case IPW2100_PARAM_WPA_ENABLED:
- ret = ipw2100_wpa_enable(priv, value);
- break;
-
- case IPW2100_PARAM_TKIP_COUNTERMEASURES:
- crypt = priv->ieee->crypt[priv->ieee->tx_keyidx];
- if (!crypt || !crypt->ops->set_flags || !crypt->ops->get_flags)
- break;
-
- flags = crypt->ops->get_flags(crypt->priv);
-
- if (value)
- flags |= IEEE80211_CRYPTO_TKIP_COUNTERMEASURES;
- else
- flags &= ~IEEE80211_CRYPTO_TKIP_COUNTERMEASURES;
-
- crypt->ops->set_flags(flags, crypt->priv);
-
- break;
-
- case IPW2100_PARAM_DROP_UNENCRYPTED:{
- /* See IW_AUTH_DROP_UNENCRYPTED handling for details */
- struct ieee80211_security sec = {
- .flags = SEC_ENABLED,
- .enabled = value,
- };
- priv->ieee->drop_unencrypted = value;
- /* We only change SEC_LEVEL for open mode. Others
- * are set by ipw_wpa_set_encryption.
- */
- if (!value) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_0;
- } else {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_1;
- }
- if (priv->ieee->set_security)
- priv->ieee->set_security(priv->ieee->dev, &sec);
- break;
- }
-
- case IPW2100_PARAM_PRIVACY_INVOKED:
- priv->ieee->privacy_invoked = value;
- break;
-
- case IPW2100_PARAM_AUTH_ALGS:
- ret = ipw2100_wpa_set_auth_algs(priv, value);
- break;
-
- case IPW2100_PARAM_IEEE_802_1X:
- priv->ieee->ieee802_1x = value;
- break;
-
- default:
- printk(KERN_ERR DRV_NAME ": %s: Unknown WPA param: %d\n",
- dev->name, name);
- ret = -EOPNOTSUPP;
- }
-
- return ret;
-}
-
-static int ipw2100_wpa_mlme(struct net_device *dev, int command, int reason)
-{
-
- struct ipw2100_priv *priv = ieee80211_priv(dev);
- int ret = 0;
-
- switch (command) {
- case IPW2100_MLME_STA_DEAUTH:
- // silently ignore
- break;
-
- case IPW2100_MLME_STA_DISASSOC:
- ipw2100_disassociate_bssid(priv);
- break;
-
- default:
- printk(KERN_ERR DRV_NAME ": %s: Unknown MLME request: %d\n",
- dev->name, command);
- ret = -EOPNOTSUPP;
- }
-
- return ret;
-}
-
-static int ipw2100_wpa_set_wpa_ie(struct net_device *dev,
- struct ipw2100_param *param, int plen)
-{
-
- struct ipw2100_priv *priv = ieee80211_priv(dev);
- struct ieee80211_device *ieee = priv->ieee;
- u8 *buf;
-
- if (!ieee->wpa_enabled)
- return -EOPNOTSUPP;
-
- if (param->u.wpa_ie.len > MAX_WPA_IE_LEN ||
- (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL))
- return -EINVAL;
-
- if (param->u.wpa_ie.len) {
- buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL);
- if (buf == NULL)
- return -ENOMEM;
-
- memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len);
-
- kfree(ieee->wpa_ie);
- ieee->wpa_ie = buf;
- ieee->wpa_ie_len = param->u.wpa_ie.len;
-
- } else {
- kfree(ieee->wpa_ie);
- ieee->wpa_ie = NULL;
- ieee->wpa_ie_len = 0;
- }
-
- ipw2100_wpa_assoc_frame(priv, ieee->wpa_ie, ieee->wpa_ie_len);
-
- return 0;
-}
-
-/* implementation borrowed from hostap driver */
-
-static int ipw2100_wpa_set_encryption(struct net_device *dev,
- struct ipw2100_param *param,
- int param_len)
-{
- int ret = 0;
- struct ipw2100_priv *priv = ieee80211_priv(dev);
- struct ieee80211_device *ieee = priv->ieee;
- struct ieee80211_crypto_ops *ops;
- struct ieee80211_crypt_data **crypt;
-
- struct ieee80211_security sec = {
- .flags = 0,
- };
-
- param->u.crypt.err = 0;
- param->u.crypt.alg[IPW2100_CRYPT_ALG_NAME_LEN - 1] = '\0';
-
- if (param_len !=
- (int)((char *)param->u.crypt.key - (char *)param) +
- param->u.crypt.key_len) {
- IPW_DEBUG_INFO("Len mismatch %d, %d\n", param_len,
- param->u.crypt.key_len);
- return -EINVAL;
- }
- if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
- param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
- param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
- if (param->u.crypt.idx >= WEP_KEYS)
- return -EINVAL;
- crypt = &ieee->crypt[param->u.crypt.idx];
- } else {
- return -EINVAL;
- }
-
- sec.flags |= SEC_ENABLED | SEC_ENCRYPT;
- if (strcmp(param->u.crypt.alg, "none") == 0) {
- if (crypt) {
- sec.enabled = 0;
- sec.encrypt = 0;
- sec.level = SEC_LEVEL_0;
- sec.flags |= SEC_LEVEL;
- ieee80211_crypt_delayed_deinit(ieee, crypt);
- }
- goto done;
- }
- sec.enabled = 1;
- sec.encrypt = 1;
-
- ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
- if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
- request_module("ieee80211_crypt_wep");
- ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
- } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
- request_module("ieee80211_crypt_tkip");
- ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
- } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
- request_module("ieee80211_crypt_ccmp");
- ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
- }
- if (ops == NULL) {
- IPW_DEBUG_INFO("%s: unknown crypto alg '%s'\n",
- dev->name, param->u.crypt.alg);
- param->u.crypt.err = IPW2100_CRYPT_ERR_UNKNOWN_ALG;
- ret = -EINVAL;
- goto done;
- }
-
- if (*crypt == NULL || (*crypt)->ops != ops) {
- struct ieee80211_crypt_data *new_crypt;
-
- ieee80211_crypt_delayed_deinit(ieee, crypt);
-
- new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), GFP_KERNEL);
- if (new_crypt == NULL) {
- ret = -ENOMEM;
- goto done;
- }
- new_crypt->ops = ops;
- if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
- new_crypt->priv =
- new_crypt->ops->init(param->u.crypt.idx);
-
- if (new_crypt->priv == NULL) {
- kfree(new_crypt);
- param->u.crypt.err =
- IPW2100_CRYPT_ERR_CRYPT_INIT_FAILED;
- ret = -EINVAL;
- goto done;
- }
-
- *crypt = new_crypt;
- }
-
- if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key &&
- (*crypt)->ops->set_key(param->u.crypt.key,
- param->u.crypt.key_len, param->u.crypt.seq,
- (*crypt)->priv) < 0) {
- IPW_DEBUG_INFO("%s: key setting failed\n", dev->name);
- param->u.crypt.err = IPW2100_CRYPT_ERR_KEY_SET_FAILED;
- ret = -EINVAL;
- goto done;
- }
-
- if (param->u.crypt.set_tx) {
- ieee->tx_keyidx = param->u.crypt.idx;
- sec.active_key = param->u.crypt.idx;
- sec.flags |= SEC_ACTIVE_KEY;
- }
-
- if (ops->name != NULL) {
-
- if (strcmp(ops->name, "WEP") == 0) {
- memcpy(sec.keys[param->u.crypt.idx],
- param->u.crypt.key, param->u.crypt.key_len);
- sec.key_sizes[param->u.crypt.idx] =
- param->u.crypt.key_len;
- sec.flags |= (1 << param->u.crypt.idx);
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_1;
- } else if (strcmp(ops->name, "TKIP") == 0) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_2;
- } else if (strcmp(ops->name, "CCMP") == 0) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_3;
- }
- }
- done:
- if (ieee->set_security)
- ieee->set_security(ieee->dev, &sec);
-
- /* Do not reset port if card is in Managed mode since resetting will
- * generate new IEEE 802.11 authentication which may end up in looping
- * with IEEE 802.1X. If your hardware requires a reset after WEP
- * configuration (for example... Prism2), implement the reset_port in
- * the callbacks structures used to initialize the 802.11 stack. */
- if (ieee->reset_on_keychange &&
- ieee->iw_mode != IW_MODE_INFRA &&
- ieee->reset_port && ieee->reset_port(dev)) {
- IPW_DEBUG_INFO("%s: reset_port failed\n", dev->name);
- param->u.crypt.err = IPW2100_CRYPT_ERR_CARD_CONF_FAILED;
- return -EINVAL;
- }
-
- return ret;
-}
-
-static int ipw2100_wpa_supplicant(struct net_device *dev, struct iw_point *p)
-{
-
- struct ipw2100_param *param;
- int ret = 0;
-
- IPW_DEBUG_IOCTL("wpa_supplicant: len=%d\n", p->length);
-
- if (p->length < sizeof(struct ipw2100_param) || !p->pointer)
- return -EINVAL;
-
- param = (struct ipw2100_param *)kmalloc(p->length, GFP_KERNEL);
- if (param == NULL)
- return -ENOMEM;
-
- if (copy_from_user(param, p->pointer, p->length)) {
- kfree(param);
- return -EFAULT;
- }
-
- switch (param->cmd) {
-
- case IPW2100_CMD_SET_WPA_PARAM:
- ret = ipw2100_wpa_set_param(dev, param->u.wpa_param.name,
- param->u.wpa_param.value);
- break;
-
- case IPW2100_CMD_SET_WPA_IE:
- ret = ipw2100_wpa_set_wpa_ie(dev, param, p->length);
- break;
-
- case IPW2100_CMD_SET_ENCRYPTION:
- ret = ipw2100_wpa_set_encryption(dev, param, p->length);
- break;
-
- case IPW2100_CMD_MLME:
- ret = ipw2100_wpa_mlme(dev, param->u.mlme.command,
- param->u.mlme.reason_code);
- break;
-
- default:
- printk(KERN_ERR DRV_NAME
- ": %s: Unknown WPA supplicant request: %d\n", dev->name,
- param->cmd);
- ret = -EOPNOTSUPP;
-
- }
-
- if (ret == 0 && copy_to_user(p->pointer, param, p->length))
- ret = -EFAULT;
-
- kfree(param);
- return ret;
-}
-
-static int ipw2100_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
- struct iwreq *wrq = (struct iwreq *)rq;
- int ret = -1;
- switch (cmd) {
- case IPW2100_IOCTL_WPA_SUPPLICANT:
- ret = ipw2100_wpa_supplicant(dev, &wrq->u.data);
- return ret;
-
- default:
- return -EOPNOTSUPP;
- }
-
- return -EOPNOTSUPP;
-}
-#endif /* WIRELESS_EXT < 18 */
-
static void ipw_ethtool_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
dev->open = ipw2100_open;
dev->stop = ipw2100_close;
dev->init = ipw2100_net_init;
-#if WIRELESS_EXT < 18
- dev->do_ioctl = ipw2100_ioctl;
-#endif
dev->get_stats = ipw2100_stats;
dev->ethtool_ops = &ipw2100_ethtool_ops;
dev->tx_timeout = ipw2100_tx_timeout;
return 0;
}
-#if WIRELESS_EXT > 17
/*
* WE-18 WPA support
*/
}
return 0;
}
-#endif /* WIRELESS_EXT > 17 */
/*
*
NULL, /* SIOCWIWTHRSPY */
ipw2100_wx_set_wap, /* SIOCSIWAP */
ipw2100_wx_get_wap, /* SIOCGIWAP */
-#if WIRELESS_EXT > 17
ipw2100_wx_set_mlme, /* SIOCSIWMLME */
-#else
- NULL, /* -- hole -- */
-#endif
NULL, /* SIOCGIWAPLIST -- deprecated */
ipw2100_wx_set_scan, /* SIOCSIWSCAN */
ipw2100_wx_get_scan, /* SIOCGIWSCAN */
ipw2100_wx_get_encode, /* SIOCGIWENCODE */
ipw2100_wx_set_power, /* SIOCSIWPOWER */
ipw2100_wx_get_power, /* SIOCGIWPOWER */
-#if WIRELESS_EXT > 17
NULL, /* -- hole -- */
NULL, /* -- hole -- */
ipw2100_wx_set_genie, /* SIOCSIWGENIE */
ipw2100_wx_set_encodeext, /* SIOCSIWENCODEEXT */
ipw2100_wx_get_encodeext, /* SIOCGIWENCODEEXT */
NULL, /* SIOCSIWPMKSA */
-#endif
};
#define IPW2100_PRIV_SET_MONITOR SIOCIWFIRSTPRIV
IPW_DEBUG_HC("starting request direct scan!\n");
if (priv->status & (STATUS_SCANNING | STATUS_SCAN_ABORTING)) {
- err = wait_event_interruptible(priv->wait_state,
- !(priv->
- status & (STATUS_SCANNING |
- STATUS_SCAN_ABORTING)));
- if (err) {
- IPW_DEBUG_HC("aborting direct scan");
- goto done;
- }
+ /* We should not sleep here; otherwise we will block most
+ * of the system (for instance, we hold rtnl_lock when we
+ * get here).
+ */
+ err = -EAGAIN;
+ goto done;
}
memset(&scan, 0, sizeof(scan));
if (essid->length) {
dwrq->flags = 1; /* set ESSID to ON for Wireless Extensions */
/* if it is to big, trunk it */
- dwrq->length = min(IW_ESSID_MAX_SIZE, essid->length + 1);
+ dwrq->length = min(IW_ESSID_MAX_SIZE, essid->length);
} else {
dwrq->flags = 0;
dwrq->length = 0;
#endif
newskb->dev = skb->dev;
- dev_kfree_skb(skb);
+ dev_kfree_skb_irq(skb);
skb = newskb;
}
}
extra[IW_ESSID_MAX_SIZE] = '\0';
/* Push it out ! */
- dwrq->length = strlen(extra) + 1;
+ dwrq->length = strlen(extra);
dwrq->flags = 1; /* active */
return 0;
extra[IW_ESSID_MAX_SIZE] = '\0';
/* Set the length */
- wrqu->data.length = strlen(extra) + 1;
+ wrqu->data.length = strlen(extra);
return 0;
}
#include <linux/types.h>
#include <linux/list.h>
+#include <net/ieee80211.h>
#include <asm/atomic.h>
enum {
__u16 num_private_args;
/* Array of handlers for standard ioctls
- * We will call dev->wireless_handlers->standard[ioctl - SIOCSIWNAME]
+ * We will call dev->wireless_handlers->standard[ioctl - SIOCSIWCOMMIT]
*/
const iw_handler * standard;
projects / linux-2.6-omap-h63xx.git / commitdiff