diff options
| -rw-r--r-- | drivers/net/ethernet/brocade/bna/bna_tx_rx.c | 11 | ||||
| -rw-r--r-- | drivers/net/ethernet/brocade/bna/bna_types.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/brocade/bna/bnad.c | 25 | ||||
| -rw-r--r-- | drivers/net/ethernet/brocade/bna/bnad.h | 1 |
4 files changed, 38 insertions, 1 deletions
diff --git a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c index 066704efe34d..276fcb589f4b 100644 --- a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c +++ b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c @@ -1335,6 +1335,12 @@ do { \ } \ } while (0) +#define call_rx_stall_cbfn(rx) \ +do { \ + if ((rx)->rx_stall_cbfn) \ + (rx)->rx_stall_cbfn((rx)->bna->bnad, (rx)); \ +} while (0) + #define bfi_enet_datapath_q_init(bfi_q, bna_qpt) \ do { \ struct bna_dma_addr cur_q_addr = \ @@ -1467,6 +1473,7 @@ bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event) case RX_E_FAIL: bfa_fsm_set_state(rx, bna_rx_sm_cleanup_wait); bna_rxf_fail(&rx->rxf); + call_rx_stall_cbfn(rx); rx->rx_cleanup_cbfn(rx->bna->bnad, rx); break; @@ -1476,6 +1483,7 @@ bna_rx_sm_rxf_stop_wait(struct bna_rx *rx, enum bna_rx_event event) case RX_E_RXF_STOPPED: bfa_fsm_set_state(rx, bna_rx_sm_stop_wait); + call_rx_stall_cbfn(rx); bna_rx_enet_stop(rx); break; @@ -1516,6 +1524,7 @@ bna_rx_sm_started(struct bna_rx *rx, enum bna_rx_event event) bfa_fsm_set_state(rx, bna_rx_sm_failed); bna_ethport_cb_rx_stopped(&rx->bna->ethport); bna_rxf_fail(&rx->rxf); + call_rx_stall_cbfn(rx); rx->rx_cleanup_cbfn(rx->bna->bnad, rx); break; @@ -1536,6 +1545,7 @@ static void bna_rx_sm_rxf_start_wait(struct bna_rx *rx, case RX_E_FAIL: bfa_fsm_set_state(rx, bna_rx_sm_failed); bna_rxf_fail(&rx->rxf); + call_rx_stall_cbfn(rx); rx->rx_cleanup_cbfn(rx->bna->bnad, rx); break; @@ -2369,6 +2379,7 @@ bna_rx_create(struct bna *bna, struct bnad *bnad, rx->rcb_destroy_cbfn = rx_cbfn->rcb_destroy_cbfn; rx->ccb_setup_cbfn = rx_cbfn->ccb_setup_cbfn; rx->ccb_destroy_cbfn = rx_cbfn->ccb_destroy_cbfn; + rx->rx_stall_cbfn = rx_cbfn->rx_stall_cbfn; /* Following callbacks are mandatory */ rx->rx_cleanup_cbfn = rx_cbfn->rx_cleanup_cbfn; rx->rx_post_cbfn = rx_cbfn->rx_post_cbfn; diff --git a/drivers/net/ethernet/brocade/bna/bna_types.h b/drivers/net/ethernet/brocade/bna/bna_types.h index 242d7997ffb2..d090fbfb12fa 100644 --- a/drivers/net/ethernet/brocade/bna/bna_types.h +++ b/drivers/net/ethernet/brocade/bna/bna_types.h @@ -847,6 +847,7 @@ struct bna_rx { void (*rcb_destroy_cbfn)(struct bnad *, struct bna_rcb *); void (*ccb_setup_cbfn)(struct bnad *, struct bna_ccb *); void (*ccb_destroy_cbfn)(struct bnad *, struct bna_ccb *); + void (*rx_stall_cbfn)(struct bnad *, struct bna_rx *); void (*rx_cleanup_cbfn)(struct bnad *, struct bna_rx *); void (*rx_post_cbfn)(struct bnad *, struct bna_rx *); @@ -864,6 +865,7 @@ struct bna_rx_event_cbfn { void (*rcb_destroy_cbfn)(struct bnad *, struct bna_rcb *); void (*ccb_setup_cbfn)(struct bnad *, struct bna_ccb *); void (*ccb_destroy_cbfn)(struct bnad *, struct bna_ccb *); + void (*rx_stall_cbfn)(struct bnad *, struct bna_rx *); /* Mandatory */ void (*rx_cleanup_cbfn)(struct bnad *, struct bna_rx *); void (*rx_post_cbfn)(struct bnad *, struct bna_rx *); diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index d76d7cb0dd0e..2f4ced66612a 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -396,7 +396,7 @@ finishing: unmap_q->producer_index = unmap_prod; rcb->producer_index = unmap_prod; smp_mb(); - if (likely(test_bit(BNAD_RXQ_STARTED, &rcb->flags))) + if (likely(test_bit(BNAD_RXQ_POST_OK, &rcb->flags))) bna_rxq_prod_indx_doorbell(rcb); } } @@ -956,6 +956,27 @@ bnad_cb_tx_cleanup(struct bnad *bnad, struct bna_tx *tx) } static void +bnad_cb_rx_stall(struct bnad *bnad, struct bna_rx *rx) +{ + struct bnad_rx_info *rx_info = (struct bnad_rx_info *)rx->priv; + struct bna_ccb *ccb; + struct bnad_rx_ctrl *rx_ctrl; + int i; + + for (i = 0; i < BNAD_MAX_RXP_PER_RX; i++) { + rx_ctrl = &rx_info->rx_ctrl[i]; + ccb = rx_ctrl->ccb; + if (!ccb) + continue; + + clear_bit(BNAD_RXQ_POST_OK, &ccb->rcb[0]->flags); + + if (ccb->rcb[1]) + clear_bit(BNAD_RXQ_POST_OK, &ccb->rcb[1]->flags); + } +} + +static void bnad_cb_rx_cleanup(struct bnad *bnad, struct bna_rx *rx) { struct bnad_rx_info *rx_info = (struct bnad_rx_info *)rx->priv; @@ -1009,6 +1030,7 @@ bnad_cb_rx_post(struct bnad *bnad, struct bna_rx *rx) bnad_free_all_rxbufs(bnad, rcb); set_bit(BNAD_RXQ_STARTED, &rcb->flags); + set_bit(BNAD_RXQ_POST_OK, &rcb->flags); unmap_q = rcb->unmap_q; /* Now allocate & post buffers for this RCB */ @@ -1898,6 +1920,7 @@ bnad_setup_rx(struct bnad *bnad, u32 rx_id) .rcb_destroy_cbfn = bnad_cb_rcb_destroy, .ccb_setup_cbfn = bnad_cb_ccb_setup, .ccb_destroy_cbfn = bnad_cb_ccb_destroy, + .rx_stall_cbfn = bnad_cb_rx_stall, .rx_cleanup_cbfn = bnad_cb_rx_cleanup, .rx_post_cbfn = bnad_cb_rx_post, }; diff --git a/drivers/net/ethernet/brocade/bna/bnad.h b/drivers/net/ethernet/brocade/bna/bnad.h index 1c9328d564d2..50fb36aedd5d 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.h +++ b/drivers/net/ethernet/brocade/bna/bnad.h @@ -103,6 +103,7 @@ struct bnad_rx_ctrl { /* Bit positions for rcb->flags */ #define BNAD_RXQ_REFILL 0 #define BNAD_RXQ_STARTED 1 +#define BNAD_RXQ_POST_OK 2 /* Resource limits */ #define BNAD_NUM_TXQ (bnad->num_tx * bnad->num_txq_per_tx) |