diff options
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_sp.c')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_sp.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/net/bnx2x/bnx2x_sp.c b/drivers/net/bnx2x/bnx2x_sp.c index 358c3399753..6306ff59de0 100644 --- a/drivers/net/bnx2x/bnx2x_sp.c +++ b/drivers/net/bnx2x/bnx2x_sp.c @@ -4874,6 +4874,22 @@ static int bnx2x_queue_chk_transition(struct bnx2x *bp, ¶ms->params.update; u8 next_tx_only = o->num_tx_only; + /* + * Forget all pending for completion commands if a driver only state + * transition has been requested. + */ + if (test_bit(RAMROD_DRV_CLR_ONLY, ¶ms->ramrod_flags)) { + o->pending = 0; + o->next_state = BNX2X_Q_STATE_MAX; + } + + /* + * Don't allow a next state transition if we are in the middle of + * the previous one. + */ + if (o->pending) + return -EBUSY; + switch (state) { case BNX2X_Q_STATE_RESET: if (cmd == BNX2X_Q_CMD_INIT) @@ -5053,6 +5069,21 @@ void bnx2x_queue_set_cos_cid(struct bnx2x *bp, } /********************** Function state object *********************************/ +enum bnx2x_func_state bnx2x_func_get_state(struct bnx2x *bp, + struct bnx2x_func_sp_obj *o) +{ + /* in the middle of transaction - return INVALID state */ + if (o->pending) + return BNX2X_F_STATE_MAX; + + /* + * unsure the order of reading of o->pending and o->state + * o->pending should be read first + */ + rmb(); + + return o->state; +} static int bnx2x_func_wait_comp(struct bnx2x *bp, struct bnx2x_func_sp_obj *o, @@ -5143,6 +5174,22 @@ static int bnx2x_func_chk_transition(struct bnx2x *bp, enum bnx2x_func_state state = o->state, next_state = BNX2X_F_STATE_MAX; enum bnx2x_func_cmd cmd = params->cmd; + /* + * Forget all pending for completion commands if a driver only state + * transition has been requested. + */ + if (test_bit(RAMROD_DRV_CLR_ONLY, ¶ms->ramrod_flags)) { + o->pending = 0; + o->next_state = BNX2X_F_STATE_MAX; + } + + /* + * Don't allow a next state transition if we are in the middle of + * the previous one. + */ + if (o->pending) + return -EBUSY; + switch (state) { case BNX2X_F_STATE_RESET: if (cmd == BNX2X_F_CMD_HW_INIT) @@ -5160,6 +5207,13 @@ static int bnx2x_func_chk_transition(struct bnx2x *bp, case BNX2X_F_STATE_STARTED: if (cmd == BNX2X_F_CMD_STOP) next_state = BNX2X_F_STATE_INITIALIZED; + else if (cmd == BNX2X_F_CMD_TX_STOP) + next_state = BNX2X_F_STATE_TX_STOPPED; + + break; + case BNX2X_F_STATE_TX_STOPPED: + if (cmd == BNX2X_F_CMD_TX_START) + next_state = BNX2X_F_STATE_STARTED; break; default: @@ -5444,6 +5498,38 @@ static inline int bnx2x_func_send_stop(struct bnx2x *bp, NONE_CONNECTION_TYPE); } +static inline int bnx2x_func_send_tx_stop(struct bnx2x *bp, + struct bnx2x_func_state_params *params) +{ + return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STOP_TRAFFIC, 0, 0, 0, + NONE_CONNECTION_TYPE); +} +static inline int bnx2x_func_send_tx_start(struct bnx2x *bp, + struct bnx2x_func_state_params *params) +{ + struct bnx2x_func_sp_obj *o = params->f_obj; + struct flow_control_configuration *rdata = + (struct flow_control_configuration *)o->rdata; + dma_addr_t data_mapping = o->rdata_mapping; + struct bnx2x_func_tx_start_params *tx_start_params = + ¶ms->params.tx_start; + int i; + + memset(rdata, 0, sizeof(*rdata)); + + rdata->dcb_enabled = tx_start_params->dcb_enabled; + rdata->dcb_version = tx_start_params->dcb_version; + rdata->dont_add_pri_0_en = tx_start_params->dont_add_pri_0_en; + + for (i = 0; i < ARRAY_SIZE(rdata->traffic_type_to_priority_cos); i++) + rdata->traffic_type_to_priority_cos[i] = + tx_start_params->traffic_type_to_priority_cos[i]; + + return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_START_TRAFFIC, 0, + U64_HI(data_mapping), + U64_LO(data_mapping), NONE_CONNECTION_TYPE); +} + static int bnx2x_func_send_cmd(struct bnx2x *bp, struct bnx2x_func_state_params *params) { @@ -5456,6 +5542,10 @@ static int bnx2x_func_send_cmd(struct bnx2x *bp, return bnx2x_func_send_stop(bp, params); case BNX2X_F_CMD_HW_RESET: return bnx2x_func_hw_reset(bp, params); + case BNX2X_F_CMD_TX_STOP: + return bnx2x_func_send_tx_stop(bp, params); + case BNX2X_F_CMD_TX_START: + return bnx2x_func_send_tx_start(bp, params); default: BNX2X_ERR("Unknown command: %d\n", params->cmd); return -EINVAL; |