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From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>
Subject: [dpdk-dev] [PATCH v8 03/15] net/virtio: use eth_linkstatus_set
Date: Thu, 25 Jan 2018 18:01:39 -0800	[thread overview]
Message-ID: <20180126020151.979-4-stephen@networkplumber.org> (raw)
In-Reply-To: <20180126020151.979-1-stephen@networkplumber.org>

Use the new comon code in ethdev to handle link status update.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/virtio/virtio_ethdev.c | 52 ++++----------------------------------
 1 file changed, 5 insertions(+), 47 deletions(-)

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 65cb71fa65cc..fbba2db594fe 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -14,7 +14,6 @@
 #include <rte_string_fns.h>
 #include <rte_memzone.h>
 #include <rte_malloc.h>
-#include <rte_atomic.h>
 #include <rte_branch_prediction.h>
 #include <rte_pci.h>
 #include <rte_bus_pci.h>
@@ -785,46 +784,6 @@ static const struct eth_dev_ops virtio_eth_dev_ops = {
 	.mac_addr_set            = virtio_mac_addr_set,
 };
 
-static inline int
-virtio_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
-virtio_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 void
 virtio_update_stats(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 {
@@ -2034,21 +1993,21 @@ virtio_dev_stop(struct rte_eth_dev *dev)
 
 	hw->started = 0;
 	memset(&link, 0, sizeof(link));
-	virtio_dev_atomic_write_link_status(dev, &link);
+	rte_eth_linkstatus_set(dev, &link);
 	rte_spinlock_unlock(&hw->state_lock);
 }
 
 static int
 virtio_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complete)
 {
-	struct rte_eth_link link, old;
+	struct rte_eth_link link;
 	uint16_t status;
 	struct virtio_hw *hw = dev->data->dev_private;
+
 	memset(&link, 0, sizeof(link));
-	virtio_dev_atomic_read_link_status(dev, &link);
-	old = link;
 	link.link_duplex = ETH_LINK_FULL_DUPLEX;
 	link.link_speed  = ETH_SPEED_NUM_10G;
+	link.link_autoneg = ETH_LINK_SPEED_FIXED;
 
 	if (hw->started == 0) {
 		link.link_status = ETH_LINK_DOWN;
@@ -2069,9 +2028,8 @@ virtio_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complet
 	} else {
 		link.link_status = ETH_LINK_UP;
 	}
-	virtio_dev_atomic_write_link_status(dev, &link);
 
-	return (old.link_status == link.link_status) ? -1 : 0;
+	return rte_eth_linkstatus_set(dev, &link);
 }
 
 static int
-- 
2.15.1

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

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-26  2:01 [dpdk-dev] [PATCH v8 00/15] common linkstatus functions Stephen Hemminger
2018-01-26  2:01 ` [dpdk-dev] [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 ` [dpdk-dev] [PATCH v8 02/15] ethdev: add linkstatus get/set helper functions Stephen Hemminger
2018-01-26  2:01 ` Stephen Hemminger [this message]
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 04/15] net/vmxnet3: use rte_eth_linkstatus_set Stephen Hemminger
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 05/15] net/dpaa2: " Stephen Hemminger
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 06/15] net/nfp: use rte_eth_linkstatus functions Stephen Hemminger
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 07/15] net/e1000: use rte_eth_linkstatus helpers Stephen Hemminger
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 08/15] net/ixgbe: use rte_eth_linkstatus functions Stephen Hemminger
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 09/15] net/sfc: use new " Stephen Hemminger
2018-01-26  6:31   ` Andrew Rybchenko
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 10/15] net/i40e: use " Stephen Hemminger
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 11/15] net/liquidio: use rte_eth_linkstatus_set Stephen Hemminger
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 12/15] net/thunderx: " Stephen Hemminger
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 13/15] net/szedata: use _rte_eth_linkstatus_set Stephen Hemminger
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 14/15] net/octeontx: use rte_eth_linkstatus_set Stephen Hemminger
2018-01-26  2:01 ` [dpdk-dev] [PATCH v8 15/15] net/enic: " Stephen Hemminger
2018-03-15 17:38 ` [dpdk-dev] [PATCH v8 00/15] common linkstatus functions Ferruh Yigit
2018-03-16 10:31   ` Ferruh Yigit

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