From: Jerin Jacob Date: Sun, 8 Oct 2017 12:44:19 +0000 (+0530) Subject: net/octeontx: add link update X-Git-Tag: spdx-start~1568 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=4fac7c0a147e;p=dpdk.git net/octeontx: add link update Mark Link status in features. Signed-off-by: Jerin Jacob Signed-off-by: Santosh Shukla --- diff --git a/doc/guides/nics/features/octeontx.ini b/doc/guides/nics/features/octeontx.ini index 259daccb87..56b135060a 100644 --- a/doc/guides/nics/features/octeontx.ini +++ b/doc/guides/nics/features/octeontx.ini @@ -5,6 +5,7 @@ ; [Features] Speed capabilities = Y +Link status = Y Lock-free Tx queue = Y Jumbo frame = Y CRC offload = Y diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c index 6ae345bc08..2c39d553e7 100644 --- a/drivers/net/octeontx/octeontx_ethdev.c +++ b/drivers/net/octeontx/octeontx_ethdev.c @@ -53,6 +53,17 @@ struct octeontx_vdev_init_params { uint8_t nr_port; }; +enum octeontx_link_speed { + OCTEONTX_LINK_SPEED_SGMII, + OCTEONTX_LINK_SPEED_XAUI, + OCTEONTX_LINK_SPEED_RXAUI, + OCTEONTX_LINK_SPEED_10G_R, + OCTEONTX_LINK_SPEED_40G_R, + OCTEONTX_LINK_SPEED_RESERVE1, + OCTEONTX_LINK_SPEED_QSGMII, + OCTEONTX_LINK_SPEED_RESERVE2 +}; + /* Parse integer from integer argument */ static int parse_integer_arg(const char *key __rte_unused, @@ -262,6 +273,94 @@ octeontx_dev_configure(struct rte_eth_dev *dev) return 0; } +static inline int +octeontx_atomic_write_link_status(struct rte_eth_dev *dev, + struct rte_eth_link *link) +{ + struct rte_eth_link *dst = &dev->data->dev_link; + struct rte_eth_link *src = link; + + if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst, + *(uint64_t *)src) == 0) + return -1; + + return 0; +} + +static int +octeontx_port_link_status(struct octeontx_nic *nic) +{ + int res; + + PMD_INIT_FUNC_TRACE(); + res = octeontx_bgx_port_link_status(nic->port_id); + if (res < 0) { + octeontx_log_err("failed to get port %d link status", + nic->port_id); + return res; + } + + nic->link_up = (uint8_t)res; + octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up); + + return res; +} + +/* + * Return 0 means link status changed, -1 means not changed + */ +static int +octeontx_dev_link_update(struct rte_eth_dev *dev, + int wait_to_complete __rte_unused) +{ + struct octeontx_nic *nic = octeontx_pmd_priv(dev); + struct rte_eth_link link; + int res; + + res = 0; + PMD_INIT_FUNC_TRACE(); + + res = octeontx_port_link_status(nic); + if (res < 0) { + octeontx_log_err("failed to request link status %d", res); + return res; + } + + link.link_status = nic->link_up; + + switch (nic->speed) { + case OCTEONTX_LINK_SPEED_SGMII: + link.link_speed = ETH_SPEED_NUM_1G; + break; + + case OCTEONTX_LINK_SPEED_XAUI: + link.link_speed = ETH_SPEED_NUM_10G; + break; + + case OCTEONTX_LINK_SPEED_RXAUI: + case OCTEONTX_LINK_SPEED_10G_R: + link.link_speed = ETH_SPEED_NUM_10G; + break; + case OCTEONTX_LINK_SPEED_QSGMII: + link.link_speed = ETH_SPEED_NUM_5G; + break; + case OCTEONTX_LINK_SPEED_40G_R: + link.link_speed = ETH_SPEED_NUM_40G; + break; + + case OCTEONTX_LINK_SPEED_RESERVE1: + case OCTEONTX_LINK_SPEED_RESERVE2: + default: + octeontx_log_err("incorrect link speed %d", nic->speed); + break; + } + + link.link_duplex = ETH_LINK_AUTONEG; + link.link_autoneg = ETH_LINK_SPEED_AUTONEG; + + return octeontx_atomic_write_link_status(dev, &link); +} + static void octeontx_dev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) @@ -302,6 +401,7 @@ octeontx_dev_info(struct rte_eth_dev *dev, static const struct eth_dev_ops octeontx_dev_ops = { .dev_configure = octeontx_dev_configure, .dev_infos_get = octeontx_dev_info, + .link_update = octeontx_dev_link_update, }; /* Create Ethdev interface per BGX LMAC ports */