From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl0-f67.google.com (mail-pl0-f67.google.com [209.85.160.67]) by dpdk.org (Postfix) with ESMTP id 6C8011B373 for ; Tue, 16 Jan 2018 19:38:14 +0100 (CET) Received: by mail-pl0-f67.google.com with SMTP id d21so6819654pll.1 for ; Tue, 16 Jan 2018 10:38:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=HqgM/BjUIKwgqTo5wa/fo89SznEH7LDi0+4Q3fjiAKU=; b=dGXm600QsdclTN7lkeh7z1rOHgHXJqroc0vhfKJrr++HX1MTYlADfI9kq3nKA5suG+ woeGajgy/31gEqo3D2DiJbzhDRMcW3Gl0A1W+9yeSELmii9hmGMFS1vO/UjnKxQS8o7B UoEO1PkKGmkhTSU1GbRR4eVMB4tgGLUaOX964/fiRQ8zwkHEbS0QJo3KbORqg1v0qIcQ cuyxThcV8DAvY/zJ8BOb4ScBsP3C3FmJeUP+wlBPqLsQVMA+5Lr+ve3g/jNAJXCNqnDf 3RXjAF5I2ixJtRpB+AuNRInCTWrJr3PiDi/RttAHijBTk1ei9KA/YmKASXB0oWaK+Zjb U80Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=HqgM/BjUIKwgqTo5wa/fo89SznEH7LDi0+4Q3fjiAKU=; b=cZqwukrn6/aAKgKNVkeXBbeZXJjVaWs3qKvsjyRiXO5VXYxdPvNBW9u527AAHFJEjE ytuI+kXq10vdixF+mG6K0d00L+UHPEB3+FTK946UWEh66G3AWWhAChOtCvQqKQDzqMr5 z4NCu+fuHdlX8tmfBNKu+0lnGu863aqTdvX0NyqewkUTM19LuC0HpP1ww7OXB4ViacC3 ZpFm19YHWXJDas7pdVx6dSMEVvlL6W1dQ+XPSHB+ZCQCcWsUlXCWZ02bLqbymdO9lox9 sH2aeMeUVN5OrrC18aMF8Rzo8JdtxvatYVtahKDnC4w9/r5l5/5iG6pPD85EUA9nbZLG yBFA== X-Gm-Message-State: AKGB3mIY7BDWE7Z6vgF4JeASLU7JmGUiKvkemP6+MjfSdm0uo7XKE7Cj OxZrIinI+PPbZZ2z8CrD6IggUQS3BhI= X-Google-Smtp-Source: ACJfBot+srEhfbeL1gU0INapOQ8+WAfztcc9NuPEe/DhwaWojt+wl1APIVxKPRKpzZwc6wn+VKa50w== X-Received: by 10.84.242.152 with SMTP id d24mr39132120pll.255.1516127893101; Tue, 16 Jan 2018 10:38:13 -0800 (PST) Received: from xeon-e3.lan (204-195-18-133.wavecable.com. [204.195.18.133]) by smtp.gmail.com with ESMTPSA id 77sm4560351pfc.187.2018.01.16.10.38.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Jan 2018 10:38:11 -0800 (PST) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger Date: Tue, 16 Jan 2018 10:37:48 -0800 Message-Id: <20180116183755.24542-9-stephen@networkplumber.org> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180116183755.24542-1-stephen@networkplumber.org> References: <20180116183755.24542-1-stephen@networkplumber.org> Subject: [dpdk-dev] [PATCH v5 08/15] net/ixgbe: use rte_eth_linkstatus functions X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Jan 2018 18:38:14 -0000 Use the new helper functions from eth_dev for handling atomic link_info update. Signed-off-by: Stephen Hemminger --- drivers/net/ixgbe/ixgbe_ethdev.c | 96 +++++++--------------------------------- 1 file changed, 17 insertions(+), 79 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index 43e0132f81fe..c2af00f17e21 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -20,7 +20,6 @@ #include #include #include -#include #include #include #include @@ -781,58 +780,6 @@ static const struct rte_ixgbe_xstats_name_off rte_ixgbevf_stats_strings[] = { #define IXGBEVF_NB_XSTATS (sizeof(rte_ixgbevf_stats_strings) / \ sizeof(rte_ixgbevf_stats_strings[0])) -/** - * 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 -rte_ixgbe_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 -rte_ixgbe_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; -} - /* * This function is the same as ixgbe_is_sfp() in base/ixgbe.h. */ @@ -2753,7 +2700,7 @@ ixgbe_dev_stop(struct rte_eth_dev *dev) /* Clear recorded link status */ memset(&link, 0, sizeof(link)); - rte_ixgbe_dev_atomic_write_link_status(dev, &link); + rte_eth_linkstatus_set(dev, &link); if (!rte_intr_allow_others(intr_handle)) /* resume to the default handler */ @@ -3938,7 +3885,6 @@ ixgbe_dev_link_update_share(struct rte_eth_dev *dev, int wait_to_complete, int vf) { struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct rte_eth_link link, old; ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_UNKNOWN; struct ixgbe_interrupt *intr = IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private); @@ -3947,13 +3893,11 @@ ixgbe_dev_link_update_share(struct rte_eth_dev *dev, u32 speed = 0; int wait = 1; bool autoneg = false; - - link.link_status = ETH_LINK_DOWN; - link.link_speed = 0; - link.link_duplex = ETH_LINK_HALF_DUPLEX; - link.link_autoneg = ETH_LINK_AUTONEG; - memset(&old, 0, sizeof(old)); - rte_ixgbe_dev_atomic_read_link_status(dev, &old); + struct rte_eth_link link = { + .link_status = ETH_LINK_DOWN, + .link_duplex = ETH_LINK_HALF_DUPLEX, + .link_autoneg = ETH_LINK_AUTONEG, + }; hw->mac.get_link_status = true; @@ -3977,19 +3921,17 @@ ixgbe_dev_link_update_share(struct rte_eth_dev *dev, if (diag != 0) { link.link_speed = ETH_SPEED_NUM_100M; link.link_duplex = ETH_LINK_FULL_DUPLEX; - rte_ixgbe_dev_atomic_write_link_status(dev, &link); - if (link.link_status == old.link_status) - return -1; + rte_eth_linkstatus_set(dev, &link); + return 0; } if (link_up == 0) { - rte_ixgbe_dev_atomic_write_link_status(dev, &link); intr->flags |= IXGBE_FLAG_NEED_LINK_CONFIG; - if (link.link_status == old.link_status) - return -1; + rte_eth_linkstatus_set(dev, &link); return 0; } + intr->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG; link.link_status = ETH_LINK_UP; link.link_duplex = ETH_LINK_FULL_DUPLEX; @@ -4021,11 +3963,8 @@ ixgbe_dev_link_update_share(struct rte_eth_dev *dev, link.link_speed = ETH_SPEED_NUM_10G; break; } - rte_ixgbe_dev_atomic_write_link_status(dev, &link); - - if (link.link_status == old.link_status) - return -1; + rte_eth_linkstatus_set(dev, &link); return 0; } @@ -4225,8 +4164,8 @@ ixgbe_dev_link_status_print(struct rte_eth_dev *dev) struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); struct rte_eth_link link; - memset(&link, 0, sizeof(link)); - rte_ixgbe_dev_atomic_read_link_status(dev, &link); + rte_eth_linkstatus_get(dev, &link); + if (link.link_status) { PMD_INIT_LOG(INFO, "Port %d: Link Up - speed %u Mbps - %s", (int)(dev->data->port_id), @@ -4261,7 +4200,6 @@ ixgbe_dev_interrupt_action(struct rte_eth_dev *dev, struct ixgbe_interrupt *intr = IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private); int64_t timeout; - struct rte_eth_link link; struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); @@ -4278,9 +4216,10 @@ ixgbe_dev_interrupt_action(struct rte_eth_dev *dev, } if (intr->flags & IXGBE_FLAG_NEED_LINK_UPDATE) { + struct rte_eth_link link; + /* get the link status before link update, for predicting later */ - memset(&link, 0, sizeof(link)); - rte_ixgbe_dev_atomic_read_link_status(dev, &link); + rte_eth_linkstatus_get(dev, &link); ixgbe_dev_link_update(dev, 0); @@ -6799,9 +6738,8 @@ ixgbe_start_timecounters(struct rte_eth_dev *dev) uint32_t shift = 0; /* Get current link speed. */ - memset(&link, 0, sizeof(link)); ixgbe_dev_link_update(dev, 1); - rte_ixgbe_dev_atomic_read_link_status(dev, &link); + rte_eth_linkstatus_get(dev, &link); switch (link.link_speed) { case ETH_SPEED_NUM_100M: -- 2.15.1