--- /dev/null
+/******************************************************************************
+ * This software may be used and distributed according to the terms of
+ * the GNU General Public License (GPL), incorporated herein by reference.
+ * Drivers based on or derived from this code fall under the GPL and must
+ * retain the authorship, copyright and license notice. This file is not
+ * a complete program and may only be used when the entire operating
+ * system is licensed under the GPL.
+ * See the file COPYING in this distribution for more information.
+ *
+ * vxge-main.h: Driver for Neterion Inc's X3100 Series 10GbE PCIe I/O
+ * Virtualized Server Adapter.
+ * Copyright(c) 2002-2009 Neterion Inc.
+ ******************************************************************************/
+#ifndef VXGE_MAIN_H
+#define VXGE_MAIN_H
+
+#include "vxge-traffic.h"
+#include "vxge-config.h"
+#include "vxge-version.h"
+#include <linux/list.h>
+
+#define VXGE_DRIVER_NAME "vxge"
+#define VXGE_DRIVER_VENDOR "Neterion, Inc"
+#define VXGE_DRIVER_VERSION_MAJOR 0
+
+#define DRV_VERSION VXGE_VERSION_MAJOR"."VXGE_VERSION_MINOR"."\
+ VXGE_VERSION_FIX"."VXGE_VERSION_BUILD"-"\
+ VXGE_VERSION_FOR
+
+#define PCI_DEVICE_ID_TITAN_WIN 0x5733
+#define PCI_DEVICE_ID_TITAN_UNI 0x5833
+#define VXGE_USE_DEFAULT 0xffffffff
+#define VXGE_HW_VPATH_MSIX_ACTIVE 4
+#define VXGE_HW_RXSYNC_FREQ_CNT 4
+#define VXGE_LL_WATCH_DOG_TIMEOUT (15 * HZ)
+#define VXGE_LL_RX_COPY_THRESHOLD 256
+#define VXGE_DEF_FIFO_LENGTH 84
+
+#define NO_STEERING 0
+#define PORT_STEERING 0x1
+#define RTH_STEERING 0x2
+#define RX_TOS_STEERING 0x3
+#define RX_VLAN_STEERING 0x4
+#define RTH_BUCKET_SIZE 4
+
+#define TX_PRIORITY_STEERING 1
+#define TX_VLAN_STEERING 2
+#define TX_PORT_STEERING 3
+#define TX_MULTIQ_STEERING 4
+
+#define VXGE_HW_MAC_ADDR_LEARN_DEFAULT VXGE_HW_RTS_MAC_DISABLE
+
+#define VXGE_TTI_BTIMER_VAL 250000
+
+#define VXGE_TTI_LTIMER_VAL 1000
+#define VXGE_TTI_RTIMER_VAL 0
+#define VXGE_RTI_BTIMER_VAL 250
+#define VXGE_RTI_LTIMER_VAL 100
+#define VXGE_RTI_RTIMER_VAL 0
+#define VXGE_FIFO_INDICATE_MAX_PKTS VXGE_DEF_FIFO_LENGTH
+#define VXGE_ISR_POLLING_CNT 8
+#define VXGE_MAX_CONFIG_DEV 0xFF
+#define VXGE_EXEC_MODE_DISABLE 0
+#define VXGE_EXEC_MODE_ENABLE 1
+#define VXGE_MAX_CONFIG_PORT 1
+#define VXGE_ALL_VID_DISABLE 0
+#define VXGE_ALL_VID_ENABLE 1
+#define VXGE_PAUSE_CTRL_DISABLE 0
+#define VXGE_PAUSE_CTRL_ENABLE 1
+
+#define TTI_TX_URANGE_A 5
+#define TTI_TX_URANGE_B 15
+#define TTI_TX_URANGE_C 40
+#define TTI_TX_UFC_A 5
+#define TTI_TX_UFC_B 40
+#define TTI_TX_UFC_C 60
+#define TTI_TX_UFC_D 100
+
+#define RTI_RX_URANGE_A 5
+#define RTI_RX_URANGE_B 15
+#define RTI_RX_URANGE_C 40
+#define RTI_RX_UFC_A 1
+#define RTI_RX_UFC_B 5
+#define RTI_RX_UFC_C 10
+#define RTI_RX_UFC_D 15
+
+/* Milli secs timer period */
+#define VXGE_TIMER_DELAY 10000
+
+#define VXGE_LL_MAX_FRAME_SIZE(dev) ((dev)->mtu + VXGE_HW_MAC_HEADER_MAX_SIZE)
+
+enum vxge_reset_event {
+ /* reset events */
+ VXGE_LL_VPATH_RESET = 0,
+ VXGE_LL_DEVICE_RESET = 1,
+ VXGE_LL_FULL_RESET = 2,
+ VXGE_LL_START_RESET = 3,
+ VXGE_LL_COMPL_RESET = 4
+};
+/* These flags represent the devices temporary state */
+enum vxge_device_state_t {
+__VXGE_STATE_RESET_CARD = 0,
+__VXGE_STATE_CARD_UP
+};
+
+enum vxge_mac_addr_state {
+ /* mac address states */
+ VXGE_LL_MAC_ADDR_IN_LIST = 0,
+ VXGE_LL_MAC_ADDR_IN_DA_TABLE = 1
+};
+
+struct vxge_drv_config {
+ int config_dev_cnt;
+ int total_dev_cnt;
+ unsigned long inta_dev_open;
+ int g_no_cpus;
+ unsigned int vpath_per_dev;
+};
+
+struct macInfo {
+ unsigned char macaddr[ETH_ALEN];
+ unsigned char macmask[ETH_ALEN];
+ unsigned int vpath_no;
+ enum vxge_mac_addr_state state;
+};
+
+struct vxge_config {
+ int tx_pause_enable;
+ int rx_pause_enable;
+
+#define NEW_NAPI_WEIGHT 64
+ int napi_weight;
+#define VXGE_GRO_DONOT_AGGREGATE 0
+#define VXGE_GRO_ALWAYS_AGGREGATE 1
+ int gro_enable;
+ int intr_type;
+#define INTA 0
+#define MSI 1
+#define MSI_X 2
+
+ int addr_learn_en;
+
+ int rth_steering;
+ int rth_algorithm;
+ int rth_hash_type_tcpipv4;
+ int rth_hash_type_ipv4;
+ int rth_hash_type_tcpipv6;
+ int rth_hash_type_ipv6;
+ int rth_hash_type_tcpipv6ex;
+ int rth_hash_type_ipv6ex;
+ int rth_bkt_sz;
+ int rth_jhash_golden_ratio;
+ int tx_steering_type;
+ int fifo_indicate_max_pkts;
+ struct vxge_hw_device_hw_info device_hw_info;
+};
+
+struct vxge_msix_entry {
+ /* Mimicing the msix_entry struct of Kernel. */
+ u16 vector;
+ u16 entry;
+ u16 in_use;
+ void *arg;
+};
+
+/* Software Statistics */
+
+struct vxge_sw_stats {
+ /* Network Stats (interface stats) */
+ struct net_device_stats net_stats;
+
+ /* Tx */
+ u64 tx_frms;
+ u64 tx_errors;
+ u64 tx_bytes;
+ u64 txd_not_free;
+ u64 txd_out_of_desc;
+
+ /* Virtual Path */
+ u64 vpaths_open;
+ u64 vpath_open_fail;
+
+ /* Rx */
+ u64 rx_frms;
+ u64 rx_errors;
+ u64 rx_bytes;
+ u64 rx_mcast;
+
+ /* Misc. */
+ u64 link_up;
+ u64 link_down;
+ u64 pci_map_fail;
+ u64 skb_alloc_fail;
+};
+
+struct vxge_mac_addrs {
+ struct list_head item;
+ u64 macaddr;
+ u64 macmask;
+ enum vxge_mac_addr_state state;
+};
+
+struct vxgedev;
+
+struct vxge_fifo_stats {
+ u64 tx_frms;
+ u64 tx_errors;
+ u64 tx_bytes;
+ u64 txd_not_free;
+ u64 txd_out_of_desc;
+ u64 pci_map_fail;
+};
+
+struct vxge_fifo {
+ struct net_device *ndev;
+ struct pci_dev *pdev;
+ struct __vxge_hw_fifo *handle;
+
+ /* The vpath id maintained in the driver -
+ * 0 to 'maximum_vpaths_in_function - 1'
+ */
+ int driver_id;
+ int tx_steering_type;
+ int indicate_max_pkts;
+ spinlock_t tx_lock;
+ /* flag used to maintain queue state when MULTIQ is not enabled */
+#define VPATH_QUEUE_START 0
+#define VPATH_QUEUE_STOP 1
+ int queue_state;
+
+ /* Tx stats */
+ struct vxge_fifo_stats stats;
+} ____cacheline_aligned;
+
+struct vxge_ring_stats {
+ u64 prev_rx_frms;
+ u64 rx_frms;
+ u64 rx_errors;
+ u64 rx_dropped;
+ u64 rx_bytes;
+ u64 rx_mcast;
+ u64 pci_map_fail;
+ u64 skb_alloc_fail;
+};
+
+struct vxge_ring {
+ struct net_device *ndev;
+ struct pci_dev *pdev;
+ struct __vxge_hw_ring *handle;
+ /* The vpath id maintained in the driver -
+ * 0 to 'maximum_vpaths_in_function - 1'
+ */
+ int driver_id;
+
+ /* copy of the flag indicating whether rx_csum is to be used */
+ u32 rx_csum;
+
+ int pkts_processed;
+ int budget;
+ int gro_enable;
+
+ struct napi_struct napi;
+
+#define VXGE_MAX_MAC_ADDR_COUNT 30
+
+ int vlan_tag_strip;
+ struct vlan_group *vlgrp;
+ int rx_vector_no;
+ enum vxge_hw_status last_status;
+
+ /* Rx stats */
+ struct vxge_ring_stats stats;
+} ____cacheline_aligned;
+
+struct vxge_vpath {
+
+ struct vxge_fifo fifo;
+ struct vxge_ring ring;
+
+ struct __vxge_hw_vpath_handle *handle;
+
+ /* Actual vpath id for this vpath in the device - 0 to 16 */
+ int device_id;
+ int max_mac_addr_cnt;
+ int is_configured;
+ int is_open;
+ struct vxgedev *vdev;
+ u8 (macaddr)[ETH_ALEN];
+ u8 (macmask)[ETH_ALEN];
+
+#define VXGE_MAX_LEARN_MAC_ADDR_CNT 2048
+ /* mac addresses currently programmed into NIC */
+ u16 mac_addr_cnt;
+ u16 mcast_addr_cnt;
+ struct list_head mac_addr_list;
+
+ u32 level_err;
+ u32 level_trace;
+};
+#define VXGE_COPY_DEBUG_INFO_TO_LL(vdev, err, trace) { \
+ for (i = 0; i < vdev->no_of_vpath; i++) { \
+ vdev->vpaths[i].level_err = err; \
+ vdev->vpaths[i].level_trace = trace; \
+ } \
+ vdev->level_err = err; \
+ vdev->level_trace = trace; \
+}
+
+struct vxgedev {
+ struct net_device *ndev;
+ struct pci_dev *pdev;
+ struct __vxge_hw_device *devh;
+ struct vlan_group *vlgrp;
+ int vlan_tag_strip;
+ struct vxge_config config;
+ unsigned long state;
+
+ /* Indicates which vpath to reset */
+ unsigned long vp_reset;
+
+ /* Timer used for polling vpath resets */
+ struct timer_list vp_reset_timer;
+
+ /* Timer used for polling vpath lockup */
+ struct timer_list vp_lockup_timer;
+
+ /*
+ * Flags to track whether device is in All Multicast
+ * or in promiscuous mode.
+ */
+ u16 all_multi_flg;
+
+ /* A flag indicating whether rx_csum is to be used or not. */
+ u32 rx_csum;
+
+ struct vxge_msix_entry *vxge_entries;
+ struct msix_entry *entries;
+ /*
+ * 4 for each vpath * 17;
+ * total is 68
+ */
+#define VXGE_MAX_REQUESTED_MSIX 68
+#define VXGE_INTR_STRLEN 80
+ char desc[VXGE_MAX_REQUESTED_MSIX][VXGE_INTR_STRLEN];
+
+ enum vxge_hw_event cric_err_event;
+
+ int max_vpath_supported;
+ int no_of_vpath;
+
+ struct napi_struct napi;
+ /* A debug option, when enabled and if error condition occurs,
+ * the driver will do following steps:
+ * - mask all interrupts
+ * - Not clear the source of the alarm
+ * - gracefully stop all I/O
+ * A diagnostic dump of register and stats at this point
+ * reveals very useful information.
+ */
+ int exec_mode;
+ int max_config_port;
+ struct vxge_vpath *vpaths;
+
+ struct __vxge_hw_vpath_handle *vp_handles[VXGE_HW_MAX_VIRTUAL_PATHS];
+ void __iomem *bar0;
+ void __iomem *bar1;
+ struct vxge_sw_stats stats;
+ int mtu;
+ /* Below variables are used for vpath selection to transmit a packet */
+ u8 vpath_selector[VXGE_HW_MAX_VIRTUAL_PATHS];
+ u64 vpaths_deployed;
+
+ u32 intr_cnt;
+ u32 level_err;
+ u32 level_trace;
+ char fw_version[VXGE_HW_FW_STRLEN];
+};
+
+struct vxge_rx_priv {
+ struct sk_buff *skb;
+ dma_addr_t data_dma;
+ dma_addr_t data_size;
+};
+
+struct vxge_tx_priv {
+ struct sk_buff *skb;
+ dma_addr_t dma_buffers[MAX_SKB_FRAGS+1];
+};
+
+#define VXGE_MODULE_PARAM_INT(p, val) \
+ static int p = val; \
+ module_param(p, int, 0)
+
+#define vxge_os_bug(fmt...) { printk(fmt); BUG(); }
+
+#define vxge_os_timer(timer, handle, arg, exp) do { \
+ init_timer(&timer); \
+ timer.function = handle; \
+ timer.data = (unsigned long) arg; \
+ mod_timer(&timer, (jiffies + exp)); \
+ } while (0);
+
+int __devinit vxge_device_register(struct __vxge_hw_device *devh,
+ struct vxge_config *config,
+ int high_dma, int no_of_vpath,
+ struct vxgedev **vdev);
+
+void vxge_device_unregister(struct __vxge_hw_device *devh);
+
+void vxge_vpath_intr_enable(struct vxgedev *vdev, int vp_id);
+
+void vxge_vpath_intr_disable(struct vxgedev *vdev, int vp_id);
+
+void vxge_callback_link_up(struct __vxge_hw_device *devh);
+
+void vxge_callback_link_down(struct __vxge_hw_device *devh);
+
+enum vxge_hw_status vxge_add_mac_addr(struct vxgedev *vdev,
+ struct macInfo *mac);
+
+int vxge_mac_list_del(struct vxge_vpath *vpath, struct macInfo *mac);
+
+int vxge_reset(struct vxgedev *vdev);
+
+enum vxge_hw_status
+vxge_rx_1b_compl(struct __vxge_hw_ring *ringh, void *dtr,
+ u8 t_code, void *userdata);
+
+enum vxge_hw_status
+vxge_xmit_compl(struct __vxge_hw_fifo *fifo_hw, void *dtr,
+ enum vxge_hw_fifo_tcode t_code, void *userdata, void **skb_ptr);
+
+int vxge_close(struct net_device *dev);
+
+int vxge_open(struct net_device *dev);
+
+void vxge_close_vpaths(struct vxgedev *vdev, int index);
+
+int vxge_open_vpaths(struct vxgedev *vdev);
+
+enum vxge_hw_status vxge_reset_all_vpaths(struct vxgedev *vdev);
+
+void vxge_stop_all_tx_queue(struct vxgedev *vdev);
+
+void vxge_stop_tx_queue(struct vxge_fifo *fifo);
+
+void vxge_start_all_tx_queue(struct vxgedev *vdev);
+
+void vxge_wake_tx_queue(struct vxge_fifo *fifo, struct sk_buff *skb);
+
+enum vxge_hw_status vxge_add_mac_addr(struct vxgedev *vdev,
+ struct macInfo *mac);
+
+enum vxge_hw_status vxge_del_mac_addr(struct vxgedev *vdev,
+ struct macInfo *mac);
+
+int vxge_mac_list_add(struct vxge_vpath *vpath,
+ struct macInfo *mac);
+
+void vxge_free_mac_add_list(struct vxge_vpath *vpath);
+
+enum vxge_hw_status vxge_restore_vpath_mac_addr(struct vxge_vpath *vpath);
+
+enum vxge_hw_status vxge_restore_vpath_vid_table(struct vxge_vpath *vpath);
+
+int do_vxge_close(struct net_device *dev, int do_io);
+extern void initialize_ethtool_ops(struct net_device *ndev);
+/**
+ * #define VXGE_DEBUG_INIT: debug for initialization functions
+ * #define VXGE_DEBUG_TX : debug transmit related functions
+ * #define VXGE_DEBUG_RX : debug recevice related functions
+ * #define VXGE_DEBUG_MEM : debug memory module
+ * #define VXGE_DEBUG_LOCK: debug locks
+ * #define VXGE_DEBUG_SEM : debug semaphore
+ * #define VXGE_DEBUG_ENTRYEXIT: debug functions by adding entry exit statements
+*/
+#define VXGE_DEBUG_INIT 0x00000001
+#define VXGE_DEBUG_TX 0x00000002
+#define VXGE_DEBUG_RX 0x00000004
+#define VXGE_DEBUG_MEM 0x00000008
+#define VXGE_DEBUG_LOCK 0x00000010
+#define VXGE_DEBUG_SEM 0x00000020
+#define VXGE_DEBUG_ENTRYEXIT 0x00000040
+#define VXGE_DEBUG_INTR 0x00000080
+#define VXGE_DEBUG_LL_CONFIG 0x00000100
+
+/* Debug tracing for VXGE driver */
+#ifndef VXGE_DEBUG_MASK
+#define VXGE_DEBUG_MASK 0x0
+#endif
+
+#if (VXGE_DEBUG_LL_CONFIG & VXGE_DEBUG_MASK)
+#define vxge_debug_ll_config(level, fmt, ...) \
+ vxge_debug_ll(level, VXGE_DEBUG_LL_CONFIG, fmt, __VA_ARGS__)
+#else
+#define vxge_debug_ll_config(level, fmt, ...)
+#endif
+
+#if (VXGE_DEBUG_INIT & VXGE_DEBUG_MASK)
+#define vxge_debug_init(level, fmt, ...) \
+ vxge_debug_ll(level, VXGE_DEBUG_INIT, fmt, __VA_ARGS__)
+#else
+#define vxge_debug_init(level, fmt, ...)
+#endif
+
+#if (VXGE_DEBUG_TX & VXGE_DEBUG_MASK)
+#define vxge_debug_tx(level, fmt, ...) \
+ vxge_debug_ll(level, VXGE_DEBUG_TX, fmt, __VA_ARGS__)
+#else
+#define vxge_debug_tx(level, fmt, ...)
+#endif
+
+#if (VXGE_DEBUG_RX & VXGE_DEBUG_MASK)
+#define vxge_debug_rx(level, fmt, ...) \
+ vxge_debug_ll(level, VXGE_DEBUG_RX, fmt, __VA_ARGS__)
+#else
+#define vxge_debug_rx(level, fmt, ...)
+#endif
+
+#if (VXGE_DEBUG_MEM & VXGE_DEBUG_MASK)
+#define vxge_debug_mem(level, fmt, ...) \
+ vxge_debug_ll(level, VXGE_DEBUG_MEM, fmt, __VA_ARGS__)
+#else
+#define vxge_debug_mem(level, fmt, ...)
+#endif
+
+#if (VXGE_DEBUG_ENTRYEXIT & VXGE_DEBUG_MASK)
+#define vxge_debug_entryexit(level, fmt, ...) \
+ vxge_debug_ll(level, VXGE_DEBUG_ENTRYEXIT, fmt, __VA_ARGS__)
+#else
+#define vxge_debug_entryexit(level, fmt, ...)
+#endif
+
+#if (VXGE_DEBUG_INTR & VXGE_DEBUG_MASK)
+#define vxge_debug_intr(level, fmt, ...) \
+ vxge_debug_ll(level, VXGE_DEBUG_INTR, fmt, __VA_ARGS__)
+#else
+#define vxge_debug_intr(level, fmt, ...)
+#endif
+
+#define VXGE_DEVICE_DEBUG_LEVEL_SET(level, mask, vdev) {\
+ vxge_hw_device_debug_set((struct __vxge_hw_device *)vdev->devh, \
+ level, mask);\
+ VXGE_COPY_DEBUG_INFO_TO_LL(vdev, \
+ vxge_hw_device_error_level_get((struct __vxge_hw_device *) \
+ vdev->devh), \
+ vxge_hw_device_trace_level_get((struct __vxge_hw_device *) \
+ vdev->devh));\
+}
+
+#ifdef NETIF_F_GSO
+#define vxge_tcp_mss(skb) (skb_shinfo(skb)->gso_size)
+#define vxge_udp_mss(skb) (skb_shinfo(skb)->gso_size)
+#define vxge_offload_type(skb) (skb_shinfo(skb)->gso_type)
+#endif
+
+#endif
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