net/octeontx2: support flow control

[dpdk.git] / drivers / net / octeontx2 / otx2_ethdev.h

diff --git a/drivers/net/octeontx2/otx2_ethdev.h b/drivers/net/octeontx2/otx2_ethdev.h
index 5dd5d8c..03ecd32 100644 (file)
--- a/drivers/net/octeontx2/otx2_ethdev.h
+++ b/drivers/net/octeontx2/otx2_ethdev.h
@@ -87,6 +87,9 @@
 #define NIX_TX_NB_SEG_MAX              9
 #endif
 
+/* Apply BP when CQ is 75% full */
+#define NIX_CQ_BP_LEVEL (25 * 256 / 100)
+
 #define CQ_OP_STAT_OP_ERR      63
 #define CQ_OP_STAT_CQ_ERR      46
 
@@ -169,6 +172,14 @@ struct otx2_npc_flow_info {
        uint16_t flow_max_priority;
 };
 
+struct otx2_fc_info {
+       enum rte_eth_fc_mode mode;  /**< Link flow control mode */
+       uint8_t rx_pause;
+       uint8_t tx_pause;
+       uint8_t chan_cnt;
+       uint16_t bpid[NIX_MAX_CHAN];
+};
+
 struct otx2_eth_dev {
        OTX2_DEV; /* Base class */
        MARKER otx2_eth_dev_data_start;
@@ -216,6 +227,7 @@ struct otx2_eth_dev {
        struct otx2_nix_tm_node_list node_list;
        struct otx2_nix_tm_shaper_profile_list shaper_profile_list;
        struct otx2_rss_info rss_info;
+       struct otx2_fc_info fc_info;
        uint32_t txmap[RTE_ETHDEV_QUEUE_STAT_CNTRS];
        uint32_t rxmap[RTE_ETHDEV_QUEUE_STAT_CNTRS];
        struct otx2_npc_flow_info npc_flow;
@@ -368,6 +380,17 @@ int otx2_cgx_rxtx_stop(struct otx2_eth_dev *dev);
 int otx2_cgx_mac_addr_set(struct rte_eth_dev *eth_dev,
                          struct rte_ether_addr *addr);
 
+/* Flow Control */
+int otx2_nix_flow_ctrl_get(struct rte_eth_dev *eth_dev,
+                          struct rte_eth_fc_conf *fc_conf);
+
+int otx2_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev,
+                          struct rte_eth_fc_conf *fc_conf);
+
+int otx2_nix_rxchan_bpid_cfg(struct rte_eth_dev *eth_dev, bool enb);
+
+int otx2_nix_update_flow_ctrl_mode(struct rte_eth_dev *eth_dev);
+
 /* Lookup configuration */
 void *otx2_nix_fastpath_lookup_mem_get(void);