diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x.h')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x.h | 51 |
1 files changed, 40 insertions, 11 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index a1f66e2c9a86..ec6119089b82 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -520,10 +520,12 @@ struct bnx2x_fastpath { #define BNX2X_FP_STATE_IDLE 0 #define BNX2X_FP_STATE_NAPI (1 << 0) /* NAPI owns this FP */ #define BNX2X_FP_STATE_POLL (1 << 1) /* poll owns this FP */ -#define BNX2X_FP_STATE_NAPI_YIELD (1 << 2) /* NAPI yielded this FP */ -#define BNX2X_FP_STATE_POLL_YIELD (1 << 3) /* poll yielded this FP */ +#define BNX2X_FP_STATE_DISABLED (1 << 2) +#define BNX2X_FP_STATE_NAPI_YIELD (1 << 3) /* NAPI yielded this FP */ +#define BNX2X_FP_STATE_POLL_YIELD (1 << 4) /* poll yielded this FP */ +#define BNX2X_FP_OWNED (BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL) #define BNX2X_FP_YIELD (BNX2X_FP_STATE_NAPI_YIELD | BNX2X_FP_STATE_POLL_YIELD) -#define BNX2X_FP_LOCKED (BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL) +#define BNX2X_FP_LOCKED (BNX2X_FP_OWNED | BNX2X_FP_STATE_DISABLED) #define BNX2X_FP_USER_PEND (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_POLL_YIELD) /* protect state */ spinlock_t lock; @@ -613,7 +615,7 @@ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp) { bool rc = true; - spin_lock(&fp->lock); + spin_lock_bh(&fp->lock); if (fp->state & BNX2X_FP_LOCKED) { WARN_ON(fp->state & BNX2X_FP_STATE_NAPI); fp->state |= BNX2X_FP_STATE_NAPI_YIELD; @@ -622,7 +624,7 @@ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp) /* we don't care if someone yielded */ fp->state = BNX2X_FP_STATE_NAPI; } - spin_unlock(&fp->lock); + spin_unlock_bh(&fp->lock); return rc; } @@ -631,14 +633,16 @@ static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp) { bool rc = false; - spin_lock(&fp->lock); + spin_lock_bh(&fp->lock); WARN_ON(fp->state & (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_NAPI_YIELD)); if (fp->state & BNX2X_FP_STATE_POLL_YIELD) rc = true; - fp->state = BNX2X_FP_STATE_IDLE; - spin_unlock(&fp->lock); + + /* state ==> idle, unless currently disabled */ + fp->state &= BNX2X_FP_STATE_DISABLED; + spin_unlock_bh(&fp->lock); return rc; } @@ -669,7 +673,9 @@ static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) if (fp->state & BNX2X_FP_STATE_POLL_YIELD) rc = true; - fp->state = BNX2X_FP_STATE_IDLE; + + /* state ==> idle, unless currently disabled */ + fp->state &= BNX2X_FP_STATE_DISABLED; spin_unlock_bh(&fp->lock); return rc; } @@ -677,9 +683,23 @@ static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) /* true if a socket is polling, even if it did not get the lock */ static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp) { - WARN_ON(!(fp->state & BNX2X_FP_LOCKED)); + WARN_ON(!(fp->state & BNX2X_FP_OWNED)); return fp->state & BNX2X_FP_USER_PEND; } + +/* false if fp is currently owned */ +static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp) +{ + int rc = true; + + spin_lock_bh(&fp->lock); + if (fp->state & BNX2X_FP_OWNED) + rc = false; + fp->state |= BNX2X_FP_STATE_DISABLED; + spin_unlock_bh(&fp->lock); + + return rc; +} #else static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp) { @@ -709,6 +729,10 @@ static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp) { return false; } +static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp) +{ + return true; +} #endif /* CONFIG_NET_RX_BUSY_POLL */ /* Use 2500 as a mini-jumbo MTU for FCoE */ @@ -1250,7 +1274,10 @@ struct bnx2x_slowpath { * Therefore, if they would have been defined in the same union, * data can get corrupted. */ - struct afex_vif_list_ramrod_data func_afex_rdata; + union { + struct afex_vif_list_ramrod_data viflist_data; + struct function_update_data func_update; + } func_afex_rdata; /* used by dmae command executer */ struct dmae_command dmae[MAX_DMAE_C]; @@ -2499,4 +2526,6 @@ void bnx2x_set_local_cmng(struct bnx2x *bp); #define MCPR_SCRATCH_BASE(bp) \ (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH) +#define E1H_MAX_MF_SB_COUNT (HC_SB_MAX_SB_E1X/(E1HVN_MAX * PORT_MAX)) + #endif /* bnx2x.h */ |