diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h index b0a87c57910f..e6ca23a9957d 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h +++ b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h @@ -73,6 +73,8 @@ struct fbnic_net { /* Time stamping filter config */ struct kernel_hwtstamp_config hwtstamp_config; + + bool tx_pause; }; int __fbnic_open(struct fbnic_net *fbn); diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_phylink.c b/drivers/net/ethernet/meta/fbnic/fbnic_phylink.c index 7ce3fdd25282..62701923cfe9 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_phylink.c +++ b/drivers/net/ethernet/meta/fbnic/fbnic_phylink.c @@ -208,6 +208,9 @@ fbnic_phylink_mac_link_up(struct phylink_config *config, struct fbnic_net *fbn = netdev_priv(netdev); struct fbnic_dev *fbd = fbn->fbd; + fbn->tx_pause = tx_pause; + fbnic_config_drop_mode(fbn, tx_pause); + fbd->mac->link_up(fbd, tx_pause, rx_pause); } diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c index 57e18a68f5d2..c2d7b67fec28 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c +++ b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c @@ -2574,11 +2574,15 @@ write_ctl: } static void fbnic_config_drop_mode_rcq(struct fbnic_napi_vector *nv, - struct fbnic_ring *rcq) + struct fbnic_ring *rcq, bool tx_pause) { + struct fbnic_net *fbn = netdev_priv(nv->napi.dev); u32 drop_mode, rcq_ctl; - drop_mode = FBNIC_QUEUE_RDE_CTL0_DROP_IMMEDIATE; + if (!tx_pause && fbn->num_rx_queues > 1) + drop_mode = FBNIC_QUEUE_RDE_CTL0_DROP_IMMEDIATE; + else + drop_mode = FBNIC_QUEUE_RDE_CTL0_DROP_NEVER; /* Specify packet layout */ rcq_ctl = FIELD_PREP(FBNIC_QUEUE_RDE_CTL0_DROP_MODE_MASK, drop_mode) | @@ -2588,6 +2592,21 @@ static void fbnic_config_drop_mode_rcq(struct fbnic_napi_vector *nv, fbnic_ring_wr32(rcq, FBNIC_QUEUE_RDE_CTL0, rcq_ctl); } +void fbnic_config_drop_mode(struct fbnic_net *fbn, bool tx_pause) +{ + int i, t; + + for (i = 0; i < fbn->num_napi; i++) { + struct fbnic_napi_vector *nv = fbn->napi[i]; + + for (t = 0; t < nv->rxt_count; t++) { + struct fbnic_q_triad *qt = &nv->qt[nv->txt_count + t]; + + fbnic_config_drop_mode_rcq(nv, &qt->cmpl, tx_pause); + } + } +} + static void fbnic_config_rim_threshold(struct fbnic_ring *rcq, u16 nv_idx, u32 rx_desc) { u32 threshold; @@ -2637,7 +2656,7 @@ static void fbnic_enable_rcq(struct fbnic_napi_vector *nv, u32 hds_thresh = fbn->hds_thresh; u32 rcq_ctl = 0; - fbnic_config_drop_mode_rcq(nv, rcq); + fbnic_config_drop_mode_rcq(nv, rcq, fbn->tx_pause); /* Force lower bound on MAX_HEADER_BYTES. Below this, all frames should * be split at L4. It would also result in the frames being split at @@ -2700,7 +2719,6 @@ static void __fbnic_nv_enable(struct fbnic_napi_vector *nv) &nv->napi); fbnic_enable_bdq(&qt->sub0, &qt->sub1); - fbnic_config_drop_mode_rcq(nv, &qt->cmpl); fbnic_enable_rcq(nv, &qt->cmpl); } } diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h index ca37da5a0b17..27776e844e29 100644 --- a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h +++ b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h @@ -184,6 +184,7 @@ void fbnic_reset_netif_queues(struct fbnic_net *fbn); irqreturn_t fbnic_msix_clean_rings(int irq, void *data); void fbnic_napi_enable(struct fbnic_net *fbn); void fbnic_napi_disable(struct fbnic_net *fbn); +void fbnic_config_drop_mode(struct fbnic_net *fbn, bool tx_pause); void fbnic_enable(struct fbnic_net *fbn); void fbnic_disable(struct fbnic_net *fbn); void fbnic_flush(struct fbnic_net *fbn);