[7/7] net/nfp: support setting FEC mode
Checks
Commit Message
From: Zerun Fu <zerun.fu@corigine.com>
Add support for configuring FEC mode. This feature allows to set any
currently supported FEC mode.
Signed-off-by: Zerun Fu <zerun.fu@corigine.com>
Reviewed-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Peng Zhang <peng.zhang@corigine.com>
Reviewed-by: Chaoyong He <chaoyong.he@corigine.com>
---
drivers/net/nfp/nfp_ethdev.c | 1 +
drivers/net/nfp/nfp_net_common.c | 54 +++++++++++++++++++++++++++++++
drivers/net/nfp/nfp_net_common.h | 2 ++
drivers/net/nfp/nfpcore/nfp_nsp.h | 1 +
4 files changed, 58 insertions(+)
@@ -761,6 +761,7 @@ static const struct eth_dev_ops nfp_net_eth_dev_ops = {
.flow_ops_get = nfp_net_flow_ops_get,
.fec_get_capability = nfp_net_fec_get_capability,
.fec_get = nfp_net_fec_get,
+ .fec_set = nfp_net_fec_set,
};
static inline void
@@ -2386,3 +2386,57 @@ nfp_net_fec_get(struct rte_eth_dev *dev,
return 0;
}
+
+static enum nfp_eth_fec
+nfp_net_fec_rte_to_nfp(uint32_t fec)
+{
+ switch (fec) {
+ case RTE_BIT32(RTE_ETH_FEC_AUTO):
+ return NFP_FEC_AUTO_BIT;
+ case RTE_BIT32(RTE_ETH_FEC_NOFEC):
+ return NFP_FEC_DISABLED_BIT;
+ case RTE_BIT32(RTE_ETH_FEC_RS):
+ return NFP_FEC_REED_SOLOMON_BIT;
+ case RTE_BIT32(RTE_ETH_FEC_BASER):
+ return NFP_FEC_BASER_BIT;
+ default:
+ return NFP_FEC_INVALID_BIT;
+ }
+}
+
+int
+nfp_net_fec_set(struct rte_eth_dev *dev,
+ uint32_t fec_capa)
+{
+ enum nfp_eth_fec fec;
+ struct nfp_net_hw *hw;
+ uint32_t supported_fec;
+ struct nfp_eth_table *nfp_eth_table;
+ struct nfp_eth_table_port *eth_port;
+
+ hw = nfp_net_get_hw(dev);
+ if (hw->pf_dev == NULL)
+ return -EINVAL;
+
+ nfp_eth_table = hw->pf_dev->nfp_eth_table;
+ eth_port = &nfp_eth_table->ports[hw->idx];
+
+ supported_fec = nfp_eth_supported_fec_modes(eth_port);
+ if (supported_fec == 0) {
+ PMD_DRV_LOG(ERR, "NFP can not support FEC.");
+ return -ENOTSUP;
+ }
+
+ fec = nfp_net_fec_rte_to_nfp(fec_capa);
+ if (fec == NFP_FEC_INVALID_BIT) {
+ PMD_DRV_LOG(ERR, "FEC modes is invalid.");
+ return -EINVAL;
+ }
+
+ if ((RTE_BIT32(fec) & supported_fec) == 0) {
+ PMD_DRV_LOG(ERR, "Unsupported FEC mode is set.");
+ return -EIO;
+ }
+
+ return nfp_eth_set_fec(hw->cpp, eth_port->index, fec);
+}
@@ -293,6 +293,8 @@ int nfp_net_fec_get_capability(struct rte_eth_dev *dev,
unsigned int num);
int nfp_net_fec_get(struct rte_eth_dev *dev,
uint32_t *fec_capa);
+int nfp_net_fec_set(struct rte_eth_dev *dev,
+ uint32_t fec_capa);
#define NFP_PRIV_TO_APP_FW_NIC(app_fw_priv)\
((struct nfp_app_fw_nic *)app_fw_priv)
@@ -100,6 +100,7 @@ enum nfp_eth_fec {
NFP_FEC_BASER_BIT,
NFP_FEC_REED_SOLOMON_BIT,
NFP_FEC_DISABLED_BIT,
+ NFP_FEC_INVALID_BIT,
};
#define NFP_FEC_AUTO RTE_BIT32(NFP_FEC_AUTO_BIT)