From 7e2eb5f0d2a30f243dc682ac80cd3f3eda507ad6 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Thu, 25 Jan 2018 18:01:41 -0800 Subject: [PATCH] net/dpaa2: use link status helper functions Use new rte_eth_linkstatus_get/set helper functions to handle link status update. Signed-off-by: Stephen Hemminger Reviewed-by: Ferruh Yigit --- drivers/net/dpaa2/dpaa2_ethdev.c | 78 ++++---------------------------- 1 file changed, 10 insertions(+), 68 deletions(-) diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c index fd5897e547..2fb7b2da73 100644 --- a/drivers/net/dpaa2/dpaa2_ethdev.c +++ b/drivers/net/dpaa2/dpaa2_ethdev.c @@ -57,58 +57,6 @@ static int dpaa2_dev_set_link_up(struct rte_eth_dev *dev); static int dpaa2_dev_set_link_down(struct rte_eth_dev *dev); static int dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu); -/** - * Atomically reads the link status information from global - * structure rte_eth_dev. - * - * @param dev - * - Pointer to the structure rte_eth_dev to read from. - * - Pointer to the buffer to be saved with the link status. - * - * @return - * - On success, zero. - * - On failure, negative value. - */ -static inline int -dpaa2_dev_atomic_read_link_status(struct rte_eth_dev *dev, - struct rte_eth_link *link) -{ - struct rte_eth_link *dst = link; - struct rte_eth_link *src = &dev->data->dev_link; - - if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst, - *(uint64_t *)src) == 0) - return -1; - - return 0; -} - -/** - * Atomically writes the link status information into global - * structure rte_eth_dev. - * - * @param dev - * - Pointer to the structure rte_eth_dev to read from. - * - Pointer to the buffer to be saved with the link status. - * - * @return - * - On success, zero. - * - On failure, negative value. - */ -static inline int -dpaa2_dev_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 dpaa2_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on) { @@ -852,7 +800,7 @@ dpaa2_dev_stop(struct rte_eth_dev *dev) /* clear the recorded link status */ memset(&link, 0, sizeof(link)); - dpaa2_dev_atomic_write_link_status(dev, &link); + rte_eth_linkstatus_set(dev, &link); } static void @@ -884,7 +832,7 @@ dpaa2_dev_close(struct rte_eth_dev *dev) } memset(&link, 0, sizeof(link)); - dpaa2_dev_atomic_write_link_status(dev, &link); + rte_eth_linkstatus_set(dev, &link); } static void @@ -1335,15 +1283,13 @@ dpaa2_dev_link_update(struct rte_eth_dev *dev, int ret; struct dpaa2_dev_priv *priv = dev->data->dev_private; struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw; - struct rte_eth_link link, old; + struct rte_eth_link link; struct dpni_link_state state = {0}; if (dpni == NULL) { RTE_LOG(ERR, PMD, "dpni is NULL\n"); return 0; } - memset(&old, 0, sizeof(old)); - dpaa2_dev_atomic_read_link_status(dev, &old); ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state); if (ret < 0) { @@ -1351,11 +1297,6 @@ dpaa2_dev_link_update(struct rte_eth_dev *dev, return -1; } - if ((old.link_status == state.up) && (old.link_speed == state.rate)) { - RTE_LOG(DEBUG, PMD, "No change in status\n"); - return -1; - } - memset(&link, 0, sizeof(struct rte_eth_link)); link.link_status = state.up; link.link_speed = state.rate; @@ -1365,13 +1306,14 @@ dpaa2_dev_link_update(struct rte_eth_dev *dev, else link.link_duplex = ETH_LINK_FULL_DUPLEX; - dpaa2_dev_atomic_write_link_status(dev, &link); - - if (link.link_status) - PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id); + ret = rte_eth_linkstatus_set(dev, &link); + if (ret == -1) + RTE_LOG(DEBUG, PMD, "No change in status\n"); else - PMD_DRV_LOG(INFO, "Port %d Link is Down", dev->data->port_id); - return 0; + PMD_DRV_LOG(INFO, "Port %d Link is %s\n", dev->data->port_id, + link.link_status ? "Up" : "Down"); + + return ret; } /** -- 2.20.1