#define DP(__mask, __fmt, __args...) do { \
if (bp->msglevel & (__mask)) \
printk(DP_LEVEL "[%s:%d(%s)]" __fmt, __func__, __LINE__, \
- bp->dev?(bp->dev->name):"?", ##__args); \
+ bp->dev ? (bp->dev->name) : "?", ##__args); \
} while (0)
/* errors debug print */
#define BNX2X_DBG_ERR(__fmt, __args...) do { \
if (bp->msglevel & NETIF_MSG_PROBE) \
printk(KERN_ERR "[%s:%d(%s)]" __fmt, __func__, __LINE__, \
- bp->dev?(bp->dev->name):"?", ##__args); \
+ bp->dev ? (bp->dev->name) : "?", ##__args); \
} while (0)
/* for errors (never masked) */
#define BNX2X_ERR(__fmt, __args...) do { \
printk(KERN_ERR "[%s:%d(%s)]" __fmt, __func__, __LINE__, \
- bp->dev?(bp->dev->name):"?", ##__args); \
+ bp->dev ? (bp->dev->name) : "?", ##__args); \
} while (0)
/* before we have a dev->name use dev_info() */
#define SHMEM_RD(bp, field) REG_RD(bp, SHMEM_ADDR(bp, field))
#define SHMEM_WR(bp, field, val) REG_WR(bp, SHMEM_ADDR(bp, field), val)
-#define NIG_WR(reg, val) REG_WR(bp, reg, val)
-#define EMAC_WR(reg, val) REG_WR(bp, emac_base + reg, val)
-#define BMAC_WR(reg, val) REG_WR(bp, GRCBASE_NIG + bmac_addr + reg, val)
+#define EMAC_RD(bp, reg) REG_RD(bp, emac_base + reg)
+#define EMAC_WR(bp, reg, val) REG_WR(bp, emac_base + reg, val)
-#define for_each_queue(bp, var) for (var = 0; var < bp->num_queues; var++)
-
-#define for_each_nondefault_queue(bp, var) \
- for (var = 1; var < bp->num_queues; var++)
-#define is_multi(bp) (bp->num_queues > 1)
-
+/* fast path */
-
-#define bnx2x_sp_check(bp, var) ((bp->slowpath) ? (&bp->slowpath->var) : NULL)
struct sw_rx_bd {
struct sk_buff *skb;
DECLARE_PCI_UNMAP_ADDR(mapping)
u16 first_bd;
};
+struct sw_rx_page {
+ struct page *page;
+ DECLARE_PCI_UNMAP_ADDR(mapping)
+};
+
+
+/* MC hsi */
+#define BCM_PAGE_SHIFT 12
+#define BCM_PAGE_SIZE (1 << BCM_PAGE_SHIFT)
+#define BCM_PAGE_MASK (~(BCM_PAGE_SIZE - 1))
+#define BCM_PAGE_ALIGN(addr) (((addr) + BCM_PAGE_SIZE - 1) & BCM_PAGE_MASK)
+
+#define PAGES_PER_SGE_SHIFT 0
+#define PAGES_PER_SGE (1 << PAGES_PER_SGE_SHIFT)
+
+#define BCM_RX_ETH_PAYLOAD_ALIGN 64
+
+/* SGE ring related macros */
+#define NUM_RX_SGE_PAGES 2
+#define RX_SGE_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
+#define MAX_RX_SGE_CNT (RX_SGE_CNT - 2)
+/* RX_SGE_CNT is promised to be a power of 2 */
+#define RX_SGE_MASK (RX_SGE_CNT - 1)
+#define NUM_RX_SGE (RX_SGE_CNT * NUM_RX_SGE_PAGES)
+#define MAX_RX_SGE (NUM_RX_SGE - 1)
+#define NEXT_SGE_IDX(x) ((((x) & RX_SGE_MASK) == \
+ (MAX_RX_SGE_CNT - 1)) ? (x) + 3 : (x) + 1)
+#define RX_SGE(x) ((x) & MAX_RX_SGE)
+
+/* SGE producer mask related macros */
+/* Number of bits in one sge_mask array element */
+#define RX_SGE_MASK_ELEM_SZ 64
+#define RX_SGE_MASK_ELEM_SHIFT 6
+#define RX_SGE_MASK_ELEM_MASK ((u64)RX_SGE_MASK_ELEM_SZ - 1)
+
+/* Creates a bitmask of all ones in less significant bits.
+ idx - index of the most significant bit in the created mask */
+#define RX_SGE_ONES_MASK(idx) \
+ (((u64)0x1 << (((idx) & RX_SGE_MASK_ELEM_MASK) + 1)) - 1)
+#define RX_SGE_MASK_ELEM_ONE_MASK ((u64)(~0))
+
+/* Number of u64 elements in SGE mask array */
+#define RX_SGE_MASK_LEN ((NUM_RX_SGE_PAGES * RX_SGE_CNT) / \
+ RX_SGE_MASK_ELEM_SZ)
+#define RX_SGE_MASK_LEN_MASK (RX_SGE_MASK_LEN - 1)
+#define NEXT_SGE_MASK_ELEM(el) (((el) + 1) & RX_SGE_MASK_LEN_MASK)
+
+
struct bnx2x_fastpath {
struct napi_struct napi;
struct eth_tx_bd *tx_desc_ring;
dma_addr_t tx_desc_mapping;
- struct sw_rx_bd *rx_buf_ring;
+ struct sw_rx_bd *rx_buf_ring; /* BDs mappings ring */
+ struct sw_rx_page *rx_page_ring; /* SGE pages mappings ring */
struct eth_rx_bd *rx_desc_ring;
dma_addr_t rx_desc_mapping;
union eth_rx_cqe *rx_comp_ring;
dma_addr_t rx_comp_mapping;
+ /* SGE ring */
+ struct eth_rx_sge *rx_sge_ring;
+ dma_addr_t rx_sge_mapping;
+
+ u64 sge_mask[RX_SGE_MASK_LEN];
+
int state;
#define BNX2X_FP_STATE_CLOSED 0
#define BNX2X_FP_STATE_IRQ 0x80000
u16 rx_bd_cons;
u16 rx_comp_prod;
u16 rx_comp_cons;
+ u16 rx_sge_prod;
+ /* The last maximal completed SGE */
+ u16 last_max_sge;
u16 *rx_cons_sb;
+ u16 *rx_bd_cons_sb;
unsigned long tx_pkt,
rx_pkt,
rx_calls;
+ /* TPA related */
+ struct sw_rx_bd tpa_pool[ETH_MAX_AGGREGATION_QUEUES_E1H];
+ u8 tpa_state[ETH_MAX_AGGREGATION_QUEUES_E1H];
+#define BNX2X_TPA_START 1
+#define BNX2X_TPA_STOP 2
+ u8 disable_tpa;
+#ifdef BNX2X_STOP_ON_ERROR
+ u64 tpa_queue_used;
+#endif
struct bnx2x *bp; /* parent */
};
#define bnx2x_fp(bp, nr, var) (bp->fp[nr].var)
-/* This is needed for determening of last_max */
+
+#define BNX2X_HAS_TX_WORK(fp) \
+ ((fp->tx_pkt_prod != le16_to_cpu(*fp->tx_cons_sb)) || \
+ (fp->tx_pkt_prod != fp->tx_pkt_cons))
+
+#define BNX2X_HAS_RX_WORK(fp) \
+ (fp->rx_comp_cons != rx_cons_sb)
+
+#define BNX2X_HAS_WORK(fp) (BNX2X_HAS_RX_WORK(fp) || BNX2X_HAS_TX_WORK(fp))
+
+
+/* MC hsi */
+#define MAX_FETCH_BD 13 /* HW max BDs per packet */
+#define RX_COPY_THRESH 92
+
+#define NUM_TX_RINGS 16
+#define TX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_tx_bd))
+#define MAX_TX_DESC_CNT (TX_DESC_CNT - 1)
+#define NUM_TX_BD (TX_DESC_CNT * NUM_TX_RINGS)
+#define MAX_TX_BD (NUM_TX_BD - 1)
+#define MAX_TX_AVAIL (MAX_TX_DESC_CNT * NUM_TX_RINGS - 2)
+#define NEXT_TX_IDX(x) ((((x) & MAX_TX_DESC_CNT) == \
+ (MAX_TX_DESC_CNT - 1)) ? (x) + 2 : (x) + 1)
+#define TX_BD(x) ((x) & MAX_TX_BD)
+#define TX_BD_POFF(x) ((x) & MAX_TX_DESC_CNT)
+
+/* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */
+#define NUM_RX_RINGS 8
+#define RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
+#define MAX_RX_DESC_CNT (RX_DESC_CNT - 2)
+#define RX_DESC_MASK (RX_DESC_CNT - 1)
+#define NUM_RX_BD (RX_DESC_CNT * NUM_RX_RINGS)
+#define MAX_RX_BD (NUM_RX_BD - 1)
+#define MAX_RX_AVAIL (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2)
+#define NEXT_RX_IDX(x) ((((x) & RX_DESC_MASK) == \
+ (MAX_RX_DESC_CNT - 1)) ? (x) + 3 : (x) + 1)
+#define RX_BD(x) ((x) & MAX_RX_BD)
+
+/* As long as CQE is 4 times bigger than BD entry we have to allocate
+ 4 times more pages for CQ ring in order to keep it balanced with
+ BD ring */
+#define NUM_RCQ_RINGS (NUM_RX_RINGS * 4)
+#define RCQ_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
+#define MAX_RCQ_DESC_CNT (RCQ_DESC_CNT - 1)
+#define NUM_RCQ_BD (RCQ_DESC_CNT * NUM_RCQ_RINGS)
+#define MAX_RCQ_BD (NUM_RCQ_BD - 1)
+#define MAX_RCQ_AVAIL (MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2)
+#define NEXT_RCQ_IDX(x) ((((x) & MAX_RCQ_DESC_CNT) == \
+ (MAX_RCQ_DESC_CNT - 1)) ? (x) + 2 : (x) + 1)
+#define RCQ_BD(x) ((x) & MAX_RCQ_BD)
+
+
+/* This is needed for determining of last_max */
#define SUB_S16(a, b) (s16)((s16)(a) - (s16)(b))
+#define __SGE_MASK_SET_BIT(el, bit) \
+ do { \
+ el = ((el) | ((u64)0x1 << (bit))); \
+ } while (0)
+
+#define __SGE_MASK_CLEAR_BIT(el, bit) \
+ do { \
+ el = ((el) & (~((u64)0x1 << (bit)))); \
+ } while (0)
+
+#define SGE_MASK_SET_BIT(fp, idx) \
+ __SGE_MASK_SET_BIT(fp->sge_mask[(idx) >> RX_SGE_MASK_ELEM_SHIFT], \
+ ((idx) & RX_SGE_MASK_ELEM_MASK))
+
+#define SGE_MASK_CLEAR_BIT(fp, idx) \
+ __SGE_MASK_CLEAR_BIT(fp->sge_mask[(idx) >> RX_SGE_MASK_ELEM_SHIFT], \
+ ((idx) & RX_SGE_MASK_ELEM_MASK))
+
+
+/* used on a CID received from the HW */
+#define SW_CID(x) (le32_to_cpu(x) & \
+ (COMMON_RAMROD_ETH_RX_CQE_CID >> 7))
+#define CQE_CMD(x) (le32_to_cpu(x) >> \
+ COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT)
+
#define BD_UNMAP_ADDR(bd) HILO_U64(le32_to_cpu((bd)->addr_hi), \
le32_to_cpu((bd)->addr_lo))
#define BD_UNMAP_LEN(bd) (le16_to_cpu((bd)->nbytes))
+
+#define DPM_TRIGER_TYPE 0x40
+#define DOORBELL(bp, cid, val) \
+ do { \
+ writel((u32)val, (bp)->doorbells + (BCM_PAGE_SIZE * cid) + \
+ DPM_TRIGER_TYPE); \
+ } while (0)
+
+
+/* TX CSUM helpers */
+#define SKB_CS_OFF(skb) (offsetof(struct tcphdr, check) - \
+ skb->csum_offset)
+#define SKB_CS(skb) (*(u16 *)(skb_transport_header(skb) + \
+ skb->csum_offset))
+
+#define pbd_tcp_flags(skb) (ntohl(tcp_flag_word(tcp_hdr(skb)))>>16 & 0xff)
+
+#define XMIT_PLAIN 0
+#define XMIT_CSUM_V4 0x1
+#define XMIT_CSUM_V6 0x2
+#define XMIT_CSUM_TCP 0x4
+#define XMIT_GSO_V4 0x8
+#define XMIT_GSO_V6 0x10
+
+#define XMIT_CSUM (XMIT_CSUM_V4 | XMIT_CSUM_V6)
+#define XMIT_GSO (XMIT_GSO_V4 | XMIT_GSO_V6)
+
+
/* stuff added to make the code fit 80Col */
#define CQE_TYPE(cqe_fp_flags) ((cqe_fp_flags) & ETH_FAST_PATH_RX_CQE_TYPE)
-#define ETH_RX_ERROR_FALGS (ETH_FAST_PATH_RX_CQE_PHY_DECODE_ERR_FLG | \
- ETH_FAST_PATH_RX_CQE_IP_BAD_XSUM_FLG | \
- ETH_FAST_PATH_RX_CQE_L4_BAD_XSUM_FLG)
+#define TPA_TYPE_START ETH_FAST_PATH_RX_CQE_START_FLG
+#define TPA_TYPE_END ETH_FAST_PATH_RX_CQE_END_FLG
+#define TPA_TYPE(cqe_fp_flags) ((cqe_fp_flags) & \
+ (TPA_TYPE_START | TPA_TYPE_END))
+
+#define ETH_RX_ERROR_FALGS ETH_FAST_PATH_RX_CQE_PHY_DECODE_ERR_FLG
+
+#define BNX2X_IP_CSUM_ERR(cqe) \
+ (!((cqe)->fast_path_cqe.status_flags & \
+ ETH_FAST_PATH_RX_CQE_IP_XSUM_NO_VALIDATION_FLG) && \
+ ((cqe)->fast_path_cqe.type_error_flags & \
+ ETH_FAST_PATH_RX_CQE_IP_BAD_XSUM_FLG))
+
+#define BNX2X_L4_CSUM_ERR(cqe) \
+ (!((cqe)->fast_path_cqe.status_flags & \
+ ETH_FAST_PATH_RX_CQE_L4_XSUM_NO_VALIDATION_FLG) && \
+ ((cqe)->fast_path_cqe.type_error_flags & \
+ ETH_FAST_PATH_RX_CQE_L4_BAD_XSUM_FLG))
+
+#define BNX2X_RX_CSUM_OK(cqe) \
+ (!(BNX2X_L4_CSUM_ERR(cqe) || BNX2X_IP_CSUM_ERR(cqe)))
+
+#define BNX2X_RX_SUM_FIX(cqe) \
+ ((le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) & \
+ PARSING_FLAGS_OVER_ETHERNET_PROTOCOL) == \
+ (1 << PARSING_FLAGS_OVER_ETHERNET_PROTOCOL_SHIFT))
#define FP_USB_FUNC_OFF (2 + 2*HC_USTORM_SB_NUM_INDICES)
#define BNX2X_TX_SB_INDEX \
(&fp->status_blk->c_status_block.index_values[C_SB_ETH_TX_CQ_INDEX])
+
+/* end of fast path */
+
/* common */
struct bnx2x_common {
u32 brb_drop_hi;
u32 brb_drop_lo;
+ u32 brb_truncate_hi;
+ u32 brb_truncate_lo;
u32 jabber_packets_received;
u32 mac_discard;
u32 driver_xoff;
+ u32 rx_err_discard_pkt;
+ u32 rx_skb_alloc_failed;
+ u32 hw_csum_err;
};
#define STATS_OFFSET32(stat_name) \
struct pci_dev *pdev;
atomic_t intr_sem;
- struct msix_entry msix_table[MAX_CONTEXT+1];
+ struct msix_entry msix_table[MAX_CONTEXT+1];
int tx_ring_size;
u32 rx_csum;
u32 rx_offset;
- u32 rx_buf_use_size; /* useable size */
- u32 rx_buf_size; /* with alignment */
+ u32 rx_buf_size;
#define ETH_OVREHEAD (ETH_HLEN + 8) /* 8 for CRC + VLAN */
#define ETH_MIN_PACKET_SIZE 60
#define ETH_MAX_PACKET_SIZE 1500
u16 def_att_idx;
u32 attn_state;
struct attn_route attn_group[MAX_DYNAMIC_ATTN_GRPS];
- u32 aeu_mask;
u32 nig_mask;
/* slow path ring */
u8 stats_pending;
u8 set_mac_pending;
- /* End of fileds used in the performance code paths */
+ /* End of fields used in the performance code paths */
int panic;
int msglevel;
#define USING_DAC_FLAG 0x10
#define USING_MSIX_FLAG 0x20
#define ASF_ENABLE_FLAG 0x40
+#define TPA_ENABLE_FLAG 0x80
#define NO_MCP_FLAG 0x100
#define BP_NOMCP(bp) (bp->flags & NO_MCP_FLAG)
#define BP_FUNC(bp) (bp->func)
#define BP_E1HVN(bp) (bp->func >> 1)
#define BP_L_ID(bp) (BP_E1HVN(bp) << 2)
-/* assorted E1HVN */
-#define IS_E1HMF(bp) (bp->e1hmf != 0)
-#define BP_MAX_QUEUES(bp) (IS_E1HMF(bp) ? 4 : 16)
int pm_cap;
int pcie_cap;
u32 mf_config;
u16 e1hov;
u8 e1hmf;
+#define IS_E1HMF(bp) (bp->e1hmf != 0)
u8 wol;
u16 rx_ticks_int;
u16 rx_ticks;
- u32 stats_ticks;
u32 lin_cnt;
int state;
#define BNX2X_STATE_ERROR 0xf000
int num_queues;
+#define BP_MAX_QUEUES(bp) (IS_E1HMF(bp) ? 4 : 16)
u32 rx_mode;
#define BNX2X_RX_MODE_NONE 0
};
-void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
-void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
- u32 len32);
-int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode);
-
-
-/* MC hsi */
-#define RX_COPY_THRESH 92
-#define BCM_PAGE_SHIFT 12
-#define BCM_PAGE_SIZE (1 << BCM_PAGE_SHIFT)
-#define BCM_PAGE_MASK (~(BCM_PAGE_SIZE - 1))
-#define BCM_PAGE_ALIGN(addr) (((addr) + BCM_PAGE_SIZE - 1) & BCM_PAGE_MASK)
-
-#define NUM_TX_RINGS 16
-#define TX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_tx_bd))
-#define MAX_TX_DESC_CNT (TX_DESC_CNT - 1)
-#define NUM_TX_BD (TX_DESC_CNT * NUM_TX_RINGS)
-#define MAX_TX_BD (NUM_TX_BD - 1)
-#define MAX_TX_AVAIL (MAX_TX_DESC_CNT * NUM_TX_RINGS - 2)
-#define NEXT_TX_IDX(x) ((((x) & MAX_TX_DESC_CNT) == \
- (MAX_TX_DESC_CNT - 1)) ? (x) + 2 : (x) + 1)
-#define TX_BD(x) ((x) & MAX_TX_BD)
-#define TX_BD_POFF(x) ((x) & MAX_TX_DESC_CNT)
-
-/* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */
-#define NUM_RX_RINGS 8
-#define RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
-#define MAX_RX_DESC_CNT (RX_DESC_CNT - 2)
-#define RX_DESC_MASK (RX_DESC_CNT - 1)
-#define NUM_RX_BD (RX_DESC_CNT * NUM_RX_RINGS)
-#define MAX_RX_BD (NUM_RX_BD - 1)
-#define MAX_RX_AVAIL (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2)
-#define NEXT_RX_IDX(x) ((((x) & RX_DESC_MASK) == \
- (MAX_RX_DESC_CNT - 1)) ? (x) + 3 : (x) + 1)
-#define RX_BD(x) ((x) & MAX_RX_BD)
-
-#define NUM_RCQ_RINGS (NUM_RX_RINGS * 2)
-#define RCQ_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
-#define MAX_RCQ_DESC_CNT (RCQ_DESC_CNT - 1)
-#define NUM_RCQ_BD (RCQ_DESC_CNT * NUM_RCQ_RINGS)
-#define MAX_RCQ_BD (NUM_RCQ_BD - 1)
-#define MAX_RCQ_AVAIL (MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2)
-#define NEXT_RCQ_IDX(x) ((((x) & MAX_RCQ_DESC_CNT) == \
- (MAX_RCQ_DESC_CNT - 1)) ? (x) + 2 : (x) + 1)
-#define RCQ_BD(x) ((x) & MAX_RCQ_BD)
-
-
-/* used on a CID received from the HW */
-#define SW_CID(x) (le32_to_cpu(x) & \
- (COMMON_RAMROD_ETH_RX_CQE_CID >> 1))
-#define CQE_CMD(x) (le32_to_cpu(x) >> \
- COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT)
-
-#define STROM_ASSERT_ARRAY_SIZE 50
-
-
-
-/* must be used on a CID before placing it on a HW ring */
-#define HW_CID(bp, x) ((BP_PORT(bp) << 23) | (BP_E1HVN(bp) << 17) | x)
-
-#define SP_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_spe))
-#define MAX_SP_DESC_CNT (SP_DESC_CNT - 1)
-
+#define for_each_queue(bp, var) for (var = 0; var < bp->num_queues; var++)
-#define BNX2X_BTR 3
-#define MAX_SPQ_PENDING 8
+#define for_each_nondefault_queue(bp, var) \
+ for (var = 1; var < bp->num_queues; var++)
+#define is_multi(bp) (bp->num_queues > 1)
-#define DPM_TRIGER_TYPE 0x40
-#define DOORBELL(bp, cid, val) \
- do { \
- writel((u32)val, (bp)->doorbells + (BCM_PAGE_SIZE * cid) + \
- DPM_TRIGER_TYPE); \
- } while (0)
+void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
+void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
+ u32 len32);
+int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
int wait)
#define PCICFG_LINK_SPEED_SHIFT 16
-#define BNX2X_NUM_STATS 39
+#define BNX2X_NUM_STATS 42
#define BNX2X_NUM_TESTS 8
#define BNX2X_MAC_LOOPBACK 0
#define BNX2X_LOOPBACK_FAILED (BNX2X_MAC_LOOPBACK_FAILED | \
BNX2X_PHY_LOOPBACK_FAILED)
-#define pbd_tcp_flags(skb) (ntohl(tcp_flag_word(tcp_hdr(skb)))>>16 & 0xff)
+
+#define STROM_ASSERT_ARRAY_SIZE 50
+
/* must be used on a CID before placing it on a HW ring */
+#define HW_CID(bp, x) ((BP_PORT(bp) << 23) | (BP_E1HVN(bp) << 17) | x)
+
+#define SP_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_spe))
+#define MAX_SP_DESC_CNT (SP_DESC_CNT - 1)
+
+
+#define BNX2X_BTR 3
+#define MAX_SPQ_PENDING 8
-#define BNX2X_RX_SUM_OK(cqe) \
- (!(cqe->fast_path_cqe.status_flags & \
- (ETH_FAST_PATH_RX_CQE_IP_XSUM_NO_VALIDATION_FLG | \
- ETH_FAST_PATH_RX_CQE_L4_XSUM_NO_VALIDATION_FLG)))
/* CMNG constants
derived from lab experiments, and not from system spec calculations !!! */
/* resolution of the rate shaping timer - 100 usec */
#define RS_PERIODIC_TIMEOUT_USEC 100
/* resolution of fairness algorithm in usecs -
- coefficient for clauclating the actuall t fair */
+ coefficient for calculating the actual t fair */
#define T_FAIR_COEF 10000000
/* number of bytes in single QM arbitration cycle -
- coeffiecnt for calculating the fairness timer */
+ coefficient for calculating the fairness timer */
#define QM_ARB_BYTES 40000
#define FAIR_MEM 2
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff