diff options
Diffstat (limited to 'drivers/net/ethernet/neterion/vxge/vxge-main.h')
| -rw-r--r-- | drivers/net/ethernet/neterion/vxge/vxge-main.h | 519 |
1 files changed, 519 insertions, 0 deletions
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.h b/drivers/net/ethernet/neterion/vxge/vxge-main.h new file mode 100644 index 00000000000..f52a42d1dbb --- /dev/null +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.h @@ -0,0 +1,519 @@ +/****************************************************************************** + * 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 Exar Corp's X3100 Series 10GbE PCIe I/O + * Virtualized Server Adapter. + * Copyright(c) 2002-2010 Exar Corp. + ******************************************************************************/ +#ifndef VXGE_MAIN_H +#define VXGE_MAIN_H + +#include "vxge-traffic.h" +#include "vxge-config.h" +#include "vxge-version.h" +#include <linux/list.h> +#include <linux/bitops.h> +#include <linux/if_vlan.h> + +#define VXGE_DRIVER_NAME "vxge" +#define VXGE_DRIVER_VENDOR "Neterion, Inc" +#define VXGE_DRIVER_FW_VERSION_MAJOR 1 + +#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_HW_TITAN1_PCI_REVISION 1 +#define VXGE_HW_TITAN1A_PCI_REVISION 2 + +#define VXGE_USE_DEFAULT 0xffffffff +#define VXGE_HW_VPATH_MSIX_ACTIVE 4 +#define VXGE_ALARM_MSIX_ID 2 +#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_T1A_TTI_LTIMER_VAL 80 +#define VXGE_TTI_RTIMER_VAL 0 +#define VXGE_TTI_RTIMER_ADAPT_VAL 10 +#define VXGE_T1A_TTI_RTIMER_VAL 400 +#define VXGE_RTI_BTIMER_VAL 250 +#define VXGE_RTI_LTIMER_VAL 100 +#define VXGE_RTI_RTIMER_VAL 0 +#define VXGE_RTI_RTIMER_ADAPT_VAL 15 +#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 TTI_T1A_TX_UFC_A 30 +#define TTI_T1A_TX_UFC_B 80 +/* Slope - (max_mtu - min_mtu)/(max_mtu_ufc - min_mtu_ufc) */ +/* Slope - 93 */ +/* 60 - 9k Mtu, 140 - 1.5k mtu */ +#define TTI_T1A_TX_UFC_C(mtu) (60 + ((VXGE_HW_MAX_MTU - mtu) / 93)) + +/* Slope - 37 */ +/* 100 - 9k Mtu, 300 - 1.5k mtu */ +#define TTI_T1A_TX_UFC_D(mtu) (100 + ((VXGE_HW_MAX_MTU - mtu) / 37)) + + +#define RTI_RX_URANGE_A 5 +#define RTI_RX_URANGE_B 15 +#define RTI_RX_URANGE_C 40 +#define RTI_T1A_RX_URANGE_A 1 +#define RTI_T1A_RX_URANGE_B 20 +#define RTI_T1A_RX_URANGE_C 50 +#define RTI_RX_UFC_A 1 +#define RTI_RX_UFC_B 5 +#define RTI_RX_UFC_C 10 +#define RTI_RX_UFC_D 15 +#define RTI_T1A_RX_UFC_B 20 +#define RTI_T1A_RX_UFC_C 50 +#define RTI_T1A_RX_UFC_D 60 + +/* + * The interrupt rate is maintained at 3k per second with the moderation + * parameters for most traffic but not all. This is the maximum interrupt + * count allowed per function with INTA or per vector in the case of + * MSI-X in a 10 millisecond time period. Enabled only for Titan 1A. + */ +#define VXGE_T1A_MAX_INTERRUPT_COUNT 100 +#define VXGE_T1A_MAX_TX_INTERRUPT_COUNT 200 + +/* Milli secs timer period */ +#define VXGE_TIMER_DELAY 10000 + +#define VXGE_LL_MAX_FRAME_SIZE(dev) ((dev)->mtu + VXGE_HW_MAC_HEADER_MAX_SIZE) + +#define is_sriov(function_mode) \ + ((function_mode == VXGE_HW_FUNCTION_MODE_SRIOV) || \ + (function_mode == VXGE_HW_FUNCTION_MODE_SRIOV_8) || \ + (function_mode == VXGE_HW_FUNCTION_MODE_SRIOV_4)) + +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; + 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; + int intr_type; +#define INTA 0 +#define MSI 1 +#define MSI_X 2 + + int addr_learn_en; + + u32 rth_steering:2, + rth_algorithm:2, + rth_hash_type_tcpipv4:1, + rth_hash_type_ipv4:1, + rth_hash_type_tcpipv6:1, + rth_hash_type_ipv6:1, + rth_hash_type_tcpipv6ex:1, + rth_hash_type_ipv6ex:1, + rth_bkt_sz:8; + 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 { + + /* Virtual Path */ + unsigned long vpaths_open; + unsigned long vpath_open_fail; + + /* Misc. */ + unsigned long link_up; + unsigned long link_down; +}; + +struct vxge_mac_addrs { + struct list_head item; + u64 macaddr; + u64 macmask; + enum vxge_mac_addr_state state; +}; + +struct vxgedev; + +struct vxge_fifo_stats { + struct u64_stats_sync syncp; + u64 tx_frms; + u64 tx_bytes; + + unsigned long tx_errors; + unsigned long txd_not_free; + unsigned long txd_out_of_desc; + unsigned long pci_map_fail; +}; + +struct vxge_fifo { + struct net_device *ndev; + struct pci_dev *pdev; + struct __vxge_hw_fifo *handle; + struct netdev_queue *txq; + + int tx_steering_type; + int indicate_max_pkts; + + /* Adaptive interrupt moderation parameters used in T1A */ + unsigned long interrupt_count; + unsigned long jiffies; + + u32 tx_vector_no; + /* Tx stats */ + struct vxge_fifo_stats stats; +} ____cacheline_aligned; + +struct vxge_ring_stats { + struct u64_stats_sync syncp; + u64 rx_frms; + u64 rx_mcast; + u64 rx_bytes; + + unsigned long rx_errors; + unsigned long rx_dropped; + unsigned long prev_rx_frms; + unsigned long pci_map_fail; + unsigned long 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; + + /* Adaptive interrupt moderation parameters used in T1A */ + unsigned long interrupt_count; + unsigned long jiffies; + + /* copy of the flag indicating whether rx_hwts is to be used */ + u32 rx_hwts:1; + + int pkts_processed; + int budget; + + struct napi_struct napi; + struct napi_struct *napi_p; + +#define VXGE_MAX_MAC_ADDR_COUNT 30 + + int vlan_tag_strip; + u32 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; + unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; + 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_hwts is to be used or not. */ + u32 rx_hwts:1, + titan1:1; + + 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; + 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 work_struct reset_task; +}; + +struct vxge_rx_priv { + struct sk_buff *skb; + unsigned char *skb_data; + 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_timer(timer, handle, arg, exp) do { \ + init_timer(&timer); \ + timer.function = handle; \ + timer.data = (unsigned long) arg; \ + mod_timer(&timer, (jiffies + exp)); \ + } while (0); + +void vxge_initialize_ethtool_ops(struct net_device *ndev); +enum vxge_hw_status vxge_reset_all_vpaths(struct vxgedev *vdev); +int vxge_fw_upgrade(struct vxgedev *vdev, char *fw_name, int override); + +/** + * #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 |