]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/staging/sxg/sxg_ethtool.c
Merge branch 'omap-pool'
[linux-2.6-omap-h63xx.git] / drivers / staging / sxg / sxg_ethtool.c
diff --git a/drivers/staging/sxg/sxg_ethtool.c b/drivers/staging/sxg/sxg_ethtool.c
new file mode 100644 (file)
index 0000000..97f765d
--- /dev/null
@@ -0,0 +1,328 @@
+/**************************************************************************
+ *
+ * Copyright (C) 2000-2008 Alacritech, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: sxg_ethtool.c
+ *
+ * The ethtool support for SXG driver for Alacritech's 10Gbe products.
+ *
+ * NOTE: This is the standard, non-accelerated version of Alacritech's
+ *       IS-NIC driver.
+ */
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/skbuff.h>
+#include <linux/pci.h>
+
+#include "sxg_os.h"
+#include "sxghw.h"
+#include "sxghif.h"
+#include "sxg.h"
+
+struct sxg_nic_stats {
+        char stat_string[ETH_GSTRING_LEN];
+        int sizeof_stat;
+        int stat_offset;
+};
+
+#define SXG_NIC_STATS(m) sizeof(((struct adapter_t *)0)->m), \
+                               offsetof(struct adapter_t, m)
+
+#define USER_VIEWABLE_EEPROM_SIZE      28
+
+static struct sxg_nic_stats sxg_nic_gstrings_stats[] = {
+       {"xmit_ring_0_full", SXG_NIC_STATS(Stats.XmtZeroFull)},
+
+       /* May be will need in future */
+/*     {"dumb_xmit_broadcast_packets", SXG_NIC_STATS(Stats.DumbXmtBcastPkts)},
+       {"dumb_xmit_broadcast_bytes", SXG_NIC_STATS(Stats.DumbXmtBcastBytes)},
+       {"dumb_xmit_unicast_packets", SXG_NIC_STATS(Stats.DumbXmtUcastPkts)},
+       {"dumb_xmit_unicast_bytes", SXG_NIC_STATS(Stats.DumbXmtUcastBytes)},
+*/
+       {"xmit_queue_length", SXG_NIC_STATS(Stats.XmtQLen)},
+       {"memory_allocation_failure", SXG_NIC_STATS(Stats.NoMem)},
+       {"Interrupts", SXG_NIC_STATS(Stats.NumInts)},
+       {"false_interrupts", SXG_NIC_STATS(Stats.FalseInts)},
+       {"processed_data_queue_full", SXG_NIC_STATS(Stats.PdqFull)},
+       {"event_ring_full", SXG_NIC_STATS(Stats.EventRingFull)},
+       {"transport_checksum_error", SXG_NIC_STATS(Stats.TransportCsum)},
+       {"transport_underflow_error", SXG_NIC_STATS(Stats.TransportUflow)},
+       {"transport_header_length_error", SXG_NIC_STATS(Stats.TransportHdrLen)},
+       {"network_checksum_error", SXG_NIC_STATS(Stats.NetworkCsum)},
+       {"network_underflow_error", SXG_NIC_STATS(Stats.NetworkUflow)},
+       {"network_header_length_error", SXG_NIC_STATS(Stats.NetworkHdrLen)},
+       {"receive_parity_error", SXG_NIC_STATS(Stats.Parity)},
+       {"link_parity_error", SXG_NIC_STATS(Stats.LinkParity)},
+       {"link/data early_error", SXG_NIC_STATS(Stats.LinkEarly)},
+       {"buffer_overflow_error", SXG_NIC_STATS(Stats.LinkBufOflow)},
+       {"link_code_error", SXG_NIC_STATS(Stats.LinkCode)},
+       {"dribble nibble", SXG_NIC_STATS(Stats.LinkDribble)},
+       {"CRC_error", SXG_NIC_STATS(Stats.LinkCrc)},
+       {"link_overflow_error", SXG_NIC_STATS(Stats.LinkOflow)},
+       {"link_underflow_error", SXG_NIC_STATS(Stats.LinkUflow)},
+
+       /* May be need in future */
+/*     {"dumb_rcv_broadcast_packets", SXG_NIC_STATS(Stats.DumbRcvBcastPkts)},
+       {"dumb_rcv_broadcast_bytes", SXG_NIC_STATS(Stats.DumbRcvBcastBytes)},
+*/     {"dumb_rcv_multicast_packets", SXG_NIC_STATS(Stats.DumbRcvMcastPkts)},
+       {"dumb_rcv_multicast_bytes", SXG_NIC_STATS(Stats.DumbRcvMcastBytes)},
+/*     {"dumb_rcv_unicast_packets", SXG_NIC_STATS(Stats.DumbRcvUcastPkts)},
+       {"dumb_rcv_unicast_bytes", SXG_NIC_STATS(Stats.DumbRcvUcastBytes)},
+*/
+       {"no_sgl_buffer", SXG_NIC_STATS(Stats.NoSglBuf)},
+};
+
+#define SXG_NIC_STATS_LEN      ARRAY_SIZE(sxg_nic_gstrings_stats)
+
+static inline void sxg_reg32_write(void __iomem *reg, u32 value, bool flush)
+{
+        writel(value, reg);
+        if (flush)
+                mb();
+}
+
+static inline void sxg_reg64_write(struct adapter_t *adapter, void __iomem *reg,
+                                   u64 value, u32 cpu)
+{
+        u32 value_high = (u32) (value >> 32);
+        u32 value_low = (u32) (value & 0x00000000FFFFFFFF);
+        unsigned long flags;
+
+        spin_lock_irqsave(&adapter->Bit64RegLock, flags);
+        writel(value_high, (void __iomem *)(&adapter->UcodeRegs[cpu].Upper));
+        writel(value_low, reg);
+        spin_unlock_irqrestore(&adapter->Bit64RegLock, flags);
+}
+
+static void
+sxg_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
+{
+       struct adapter_t *adapter = netdev_priv(dev);
+       strncpy(drvinfo->driver, sxg_driver_name, 32);
+       strncpy(drvinfo->version, SXG_DRV_VERSION, 32);
+//     strncpy(drvinfo->fw_version, SAHARA_UCODE_VERS_STRING, 32);
+       strncpy(drvinfo->bus_info, pci_name(adapter->pcidev), 32);
+       /* TODO : Read the major and minor number of firmware. Is this
+        * from the FLASH/EEPROM or download file ?
+        */
+       /* LINSYS : Check if this is correct or if not find the right value
+        * Also check what is the right EEPROM length : EEPROM_SIZE_XFMR or EEPROM_SIZE_NO_XFMR
+        */
+}
+
+static int sxg_nic_set_settings(struct net_device *netdev,
+                              struct ethtool_cmd *ecmd)
+{
+       /* No settings are applicable as we support only 10Gb/FIBRE_media */
+       return -EOPNOTSUPP;
+}
+
+static void
+sxg_nic_get_strings(struct net_device *netdev, u32 stringset, u8 * data)
+{
+       int index;
+
+       switch(stringset) {
+       case ETH_SS_TEST:
+               break;
+       case ETH_SS_STATS:
+               for (index = 0; index < SXG_NIC_STATS_LEN; index++) {
+                       memcpy(data + index * ETH_GSTRING_LEN,
+                               sxg_nic_gstrings_stats[index].stat_string,
+                                       ETH_GSTRING_LEN);
+                }
+                break;
+       }
+}
+
+static void
+sxg_nic_get_ethtool_stats(struct net_device *netdev,
+                       struct ethtool_stats *stats, u64 * data)
+{
+        struct adapter_t *adapter = netdev_priv(netdev);
+        int index;
+        for (index = 0; index < SXG_NIC_STATS_LEN; index++) {
+                char *p = (char *)adapter +
+                               sxg_nic_gstrings_stats[index].stat_offset;
+                data[index] = (sxg_nic_gstrings_stats[index].sizeof_stat ==
+                                    sizeof(u64)) ? *(u64 *) p : *(u32 *) p;
+        }
+}
+
+static int sxg_nic_get_sset_count(struct net_device *netdev, int sset)
+{
+        switch (sset) {
+        case ETH_SS_STATS:
+                       return SXG_NIC_STATS_LEN;
+       default:
+                return -EOPNOTSUPP;
+        }
+}
+
+static int sxg_nic_get_settings(struct net_device *netdev,
+                               struct ethtool_cmd *ecmd)
+{
+       struct adapter_t *adapter = netdev_priv(netdev);
+
+        ecmd->supported = SUPPORTED_10000baseT_Full;
+        ecmd->autoneg = AUTONEG_ENABLE;                //VSS check This
+        ecmd->transceiver = XCVR_EXTERNAL;     //VSS check This
+
+       /* For Fibre Channel */
+       ecmd->supported |= SUPPORTED_FIBRE;
+        ecmd->advertising = (ADVERTISED_10000baseT_Full |
+                                ADVERTISED_FIBRE);
+       ecmd->port = PORT_FIBRE;
+
+
+       /* Link Speed */
+       if(adapter->LinkState & SXG_LINK_UP) {
+               ecmd->speed = SPEED_10000;      //adapter->LinkSpeed;
+               ecmd->duplex = DUPLEX_FULL;
+       }
+       return 0;
+}
+
+static u32 sxg_nic_get_rx_csum(struct net_device *netdev)
+{
+       struct adapter_t *adapter = netdev_priv(netdev);
+       return ((adapter->flags & SXG_RCV_IP_CSUM_ENABLED) &&
+                (adapter->flags & SXG_RCV_TCP_CSUM_ENABLED));
+}
+
+static int sxg_nic_set_rx_csum(struct net_device *netdev, u32 data)
+{
+       struct adapter_t *adapter = netdev_priv(netdev);
+       if (data)
+               adapter->flags |= SXG_RCV_IP_CSUM_ENABLED;
+       else
+               adapter->flags &= ~SXG_RCV_IP_CSUM_ENABLED;
+       /*
+        * We dont need to write to the card to do checksums.
+        * It does it anyways.
+        */
+       return 0;
+}
+
+static int sxg_nic_get_regs_len(struct net_device *dev)
+{
+       return (SXG_HWREG_MEMSIZE + SXG_UCODEREG_MEMSIZE);
+}
+
+static void sxg_nic_get_regs(struct net_device *netdev,
+                       struct ethtool_regs *regs, void *p)
+{
+       struct adapter_t *adapter = netdev_priv(netdev);
+       struct sxg_hw_regs *HwRegs = adapter->HwRegs;
+       struct sxg_ucode_regs *UcodeRegs = adapter->UcodeRegs;
+       u32 *buff = p;
+
+       memset(p, 0, (sizeof(struct sxg_hw_regs)+sizeof(struct sxg_ucode_regs)));
+       memcpy(buff, HwRegs, sizeof(struct sxg_hw_regs));
+       memcpy((buff+sizeof(struct sxg_hw_regs)), UcodeRegs, sizeof(struct sxg_ucode_regs));
+}
+
+static int sxg_nic_get_eeprom_len(struct net_device *netdev)
+{
+       return (USER_VIEWABLE_EEPROM_SIZE);
+}
+
+static int sxg_nic_get_eeprom(struct net_device *netdev,
+                               struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+       struct adapter_t *adapter = netdev_priv(netdev);
+       struct sw_cfg_data *data;
+       unsigned long           i, status;
+       dma_addr_t p_addr;
+
+       data = pci_alloc_consistent(adapter->pcidev, sizeof(struct sw_cfg_data),
+                                        &p_addr);
+       if(!data) {
+                /*
+                * We cant get even this much memory. Raise a hell
+                 * Get out of here
+                 */
+                printk(KERN_ERR"%s : Could not allocate memory for reading \
+                                EEPROM\n", __FUNCTION__);
+                return -ENOMEM;
+        }
+
+        WRITE_REG(adapter->UcodeRegs[0].ConfigStat, SXG_CFG_TIMEOUT, TRUE);
+        WRITE_REG64(adapter, adapter->UcodeRegs[0].Config, p_addr, 0);
+       for(i=0; i<1000; i++) {
+                READ_REG(adapter->UcodeRegs[0].ConfigStat, status);
+                if (status != SXG_CFG_TIMEOUT)
+                        break;
+                mdelay(1);      /* Do we really need this */
+        }
+
+       memset(bytes, 0, eeprom->len);
+        memcpy(bytes, data->MacAddr[0].MacAddr, sizeof(struct sxg_config_mac));
+        memcpy(bytes+6, data->AtkFru.PartNum, 6);
+        memcpy(bytes+12, data->AtkFru.Revision, 2);
+        memcpy(bytes+14, data->AtkFru.Serial, 14);
+
+       return 0;
+}
+
+struct ethtool_ops sxg_nic_ethtool_ops = {
+       .get_settings = sxg_nic_get_settings,
+       .set_settings = sxg_nic_set_settings,
+       .get_drvinfo = sxg_nic_get_drvinfo,
+       .get_regs_len = sxg_nic_get_regs_len,
+       .get_regs = sxg_nic_get_regs,
+       .get_link = ethtool_op_get_link,
+//     .get_wol = sxg_nic_get_wol,
+       .get_eeprom_len = sxg_nic_get_eeprom_len,
+       .get_eeprom = sxg_nic_get_eeprom,
+//     .get_pauseparam = sxg_nic_get_pauseparam,
+//     .set_pauseparam = sxg_nic_set_pauseparam,
+       .set_tx_csum = ethtool_op_set_tx_csum,
+       .get_sg = ethtool_op_get_sg,
+       .set_sg = ethtool_op_set_sg,
+//     .get_tso = sxg_nic_get_tso,
+//     .set_tso = sxg_nic_set_tso,
+//     .self_test = sxg_nic_diag_test,
+       .get_strings = sxg_nic_get_strings,
+       .get_ethtool_stats = sxg_nic_get_ethtool_stats,
+       .get_sset_count = sxg_nic_get_sset_count,
+       .get_rx_csum = sxg_nic_get_rx_csum,
+       .set_rx_csum = sxg_nic_set_rx_csum,
+//     .get_coalesce = sxg_nic_get_intr_coalesce,
+//     .set_coalesce = sxg_nic_set_intr_coalesce,
+};