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From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>
Subject: [PATCH v8 10/15] net/i40e: use rte_eth_linkstatus functions
Date: Thu, 25 Jan 2018 18:01:46 -0800	[thread overview]
Message-ID: <20180126020151.979-11-stephen@networkplumber.org> (raw)
In-Reply-To: <20180126020151.979-1-stephen@networkplumber.org>

Use new rte_linkstatus update API

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/i40e/i40e_ethdev.c    | 46 ++++++---------------------------------
 drivers/net/i40e/i40e_ethdev_vf.c | 19 ++--------------
 2 files changed, 9 insertions(+), 56 deletions(-)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index c4df65df0cf6..85c02e82d7db 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -628,34 +628,6 @@ static struct rte_pci_driver rte_i40e_pmd = {
 	.remove = eth_i40e_pci_remove,
 };
 
-static inline int
-rte_i40e_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;
-}
-
-static inline int
-rte_i40e_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;
-}
-
 RTE_PMD_REGISTER_PCI(net_i40e, rte_i40e_pmd);
 RTE_PMD_REGISTER_PCI_TABLE(net_i40e, pci_id_i40e_map);
 RTE_PMD_REGISTER_KMOD_DEP(net_i40e, "* igb_uio | uio_pci_generic | vfio-pci");
@@ -2347,17 +2319,17 @@ i40e_dev_link_update(struct rte_eth_dev *dev,
 #define MAX_REPEAT_TIME 10  /* 1s (10 * 100ms) in total */
 	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 	struct i40e_link_status link_status;
-	struct rte_eth_link link, old;
+	struct rte_eth_link link;
 	int status;
 	unsigned rep_cnt = MAX_REPEAT_TIME;
 	bool enable_lse = dev->data->dev_conf.intr_conf.lsc ? true : false;
+	int ret;
 
 	memset(&link, 0, sizeof(link));
-	memset(&old, 0, sizeof(old));
-	memset(&link_status, 0, sizeof(link_status));
-	rte_i40e_dev_atomic_read_link_status(dev, &old);
 
 	do {
+		memset(&link_status, 0, sizeof(link_status));
+
 		/* Get link status information from hardware */
 		status = i40e_aq_get_link_info(hw, enable_lse,
 						&link_status, NULL);
@@ -2410,13 +2382,10 @@ i40e_dev_link_update(struct rte_eth_dev *dev,
 			ETH_LINK_SPEED_FIXED);
 
 out:
-	rte_i40e_dev_atomic_write_link_status(dev, &link);
-	if (link.link_status == old.link_status)
-		return -1;
-
+	ret = rte_eth_linkstatus_set(dev, &link);
 	i40e_notify_all_vfs_link_status(dev);
 
-	return 0;
+	return ret;
 }
 
 /* Get all the statistics of a VSI */
@@ -10034,9 +10003,8 @@ i40e_start_timecounters(struct rte_eth_dev *dev)
 	uint32_t tsync_inc_h;
 
 	/* Get current link speed. */
-	memset(&link, 0, sizeof(link));
 	i40e_dev_link_update(dev, 1);
-	rte_i40e_dev_atomic_read_link_status(dev, &link);
+	rte_eth_linkstatus_get(dev, &link);
 
 	switch (link.link_speed) {
 	case ETH_SPEED_NUM_40G:
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 6ac3f8c04a50..800915386501 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -1036,20 +1036,6 @@ static const struct rte_pci_id pci_id_i40evf_map[] = {
 	{ .vendor_id = 0, /* sentinel */ },
 };
 
-static inline int
-i40evf_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;
-}
-
 /* Disable IRQ0 */
 static inline void
 i40evf_disable_irq0(struct i40e_hw *hw)
@@ -2077,6 +2063,7 @@ i40evf_dev_link_update(struct rte_eth_dev *dev,
 	 * while Linux driver does not
 	 */
 
+	memset(&new_link, 0, sizeof(new_link));
 	/* Linux driver PF host */
 	switch (vf->link_speed) {
 	case I40E_LINK_SPEED_100MB:
@@ -2108,9 +2095,7 @@ i40evf_dev_link_update(struct rte_eth_dev *dev,
 	new_link.link_autoneg =
 		dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED;
 
-	i40evf_dev_atomic_write_link_status(dev, &new_link);
-
-	return 0;
+	return rte_eth_linkstatus_set(dev, &new_link);
 }
 
 static void
-- 
2.15.1

  parent reply	other threads:[~2018-01-26  2:02 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-26  2:01 [PATCH v8 00/15] common linkstatus functions Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 01/15] eal: introduce atomic exchange operation Stephen Hemminger
2018-01-26 17:14   ` Thomas Monjalon
2018-01-26 17:24     ` Bruce Richardson
2018-01-26 21:54       ` Stephen Hemminger
2018-01-29  9:51         ` Bruce Richardson
2018-01-26 17:59   ` Ananyev, Konstantin
2018-01-26  2:01 ` [PATCH v8 02/15] ethdev: add linkstatus get/set helper functions Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 03/15] net/virtio: use eth_linkstatus_set Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 04/15] net/vmxnet3: use rte_eth_linkstatus_set Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 05/15] net/dpaa2: " Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 06/15] net/nfp: use rte_eth_linkstatus functions Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 07/15] net/e1000: use rte_eth_linkstatus helpers Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 08/15] net/ixgbe: use rte_eth_linkstatus functions Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 09/15] net/sfc: use new " Stephen Hemminger
2018-01-26  6:31   ` Andrew Rybchenko
2018-01-26  2:01 ` Stephen Hemminger [this message]
2018-01-26  2:01 ` [PATCH v8 11/15] net/liquidio: use rte_eth_linkstatus_set Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 12/15] net/thunderx: " Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 13/15] net/szedata: use _rte_eth_linkstatus_set Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 14/15] net/octeontx: use rte_eth_linkstatus_set Stephen Hemminger
2018-01-26  2:01 ` [PATCH v8 15/15] net/enic: " Stephen Hemminger
2018-03-15 17:38 ` [PATCH v8 00/15] common linkstatus functions Ferruh Yigit
2018-03-16 10:31   ` Ferruh Yigit

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