diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugins/dev_octeon/port.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/plugins/dev_octeon/port.c b/src/plugins/dev_octeon/port.c index 6cf58fe1ebe..1a6058143dd 100644 --- a/src/plugins/dev_octeon/port.c +++ b/src/plugins/dev_octeon/port.c @@ -53,6 +53,72 @@ oct_roc_err (vnet_dev_t *dev, int rv, char *fmt, ...) } vnet_dev_rv_t +oct_port_pause_flow_control_init (vlib_main_t *vm, vnet_dev_port_t *port) +{ + vnet_dev_t *dev = port->dev; + oct_device_t *cd = vnet_dev_get_data (dev); + struct roc_nix *nix = cd->nix; + struct roc_nix_fc_cfg fc_cfg; + struct roc_nix_sq *sq; + struct roc_nix_cq *cq; + struct roc_nix_rq *rq; + int rrv; + + if (roc_nix_is_sdp (nix) || roc_nix_is_lbk (nix)) + return VNET_DEV_ERR_UNSUPPORTED_DEVICE; + + fc_cfg.type = ROC_NIX_FC_RXCHAN_CFG; + fc_cfg.rxchan_cfg.enable = true; + rrv = roc_nix_fc_config_set (nix, &fc_cfg); + if (rrv) + return oct_roc_err (dev, rrv, "roc_nix_fc_config_set failed"); + + memset (&fc_cfg, 0, sizeof (struct roc_nix_fc_cfg)); + fc_cfg.type = ROC_NIX_FC_RQ_CFG; + fc_cfg.rq_cfg.enable = true; + fc_cfg.rq_cfg.tc = 0; + + foreach_vnet_dev_port_rx_queue (rxq, port) + { + oct_rxq_t *crq = vnet_dev_get_rx_queue_data (rxq); + + rq = &crq->rq; + cq = &crq->cq; + + fc_cfg.rq_cfg.rq = rq->qid; + fc_cfg.rq_cfg.cq_drop = cq->drop_thresh; + + rrv = roc_nix_fc_config_set (nix, &fc_cfg); + if (rrv) + return oct_roc_err (dev, rrv, "roc_nix_fc_config_set failed"); + } + + memset (&fc_cfg, 0, sizeof (struct roc_nix_fc_cfg)); + fc_cfg.type = ROC_NIX_FC_TM_CFG; + fc_cfg.tm_cfg.tc = 0; + fc_cfg.tm_cfg.enable = true; + + foreach_vnet_dev_port_tx_queue (txq, port) + { + oct_txq_t *ctq = vnet_dev_get_tx_queue_data (txq); + + sq = &ctq->sq; + + fc_cfg.tm_cfg.sq = sq->qid; + rrv = roc_nix_fc_config_set (nix, &fc_cfg); + if (rrv) + return oct_roc_err (dev, rrv, "roc_nix_fc_config_set failed"); + } + + /* By default, enable pause flow control */ + rrv = roc_nix_fc_mode_set (nix, ROC_NIX_FC_FULL); + if (rrv) + return oct_roc_err (dev, rrv, "roc_nix_fc_mode_set failed"); + + return VNET_DEV_OK; +} + +vnet_dev_rv_t oct_port_init (vlib_main_t *vm, vnet_dev_port_t *port) { vnet_dev_t *dev = port->dev; @@ -148,6 +214,13 @@ oct_port_init (vlib_main_t *vm, vnet_dev_port_t *port) return rv; } + /* Configure pause frame flow control*/ + if ((rv = oct_port_pause_flow_control_init (vm, port))) + { + oct_port_deinit (vm, port); + return rv; + } + return VNET_DEV_OK; } |