summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/plugins/dev_octeon/port.c73
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;
}