From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>
Subject: [dpdk-dev] [PATCH v8 04/15] net/vmxnet3: use rte_eth_linkstatus_set
Date: Thu, 25 Jan 2018 18:01:40 -0800 [thread overview]
Message-ID: <20180126020151.979-5-stephen@networkplumber.org> (raw)
In-Reply-To: <20180126020151.979-1-stephen@networkplumber.org>
Use new rte_eth_link_update helper.
Also remove no longer necessary include of rte_atomic.h
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
drivers/net/vmxnet3/vmxnet3_ethdev.c | 63 ++----------------------------------
1 file changed, 3 insertions(+), 60 deletions(-)
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c
index a2fb93cc984c..598dc344047d 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
@@ -20,7 +20,6 @@
#include <rte_debug.h>
#include <rte_pci.h>
#include <rte_bus_pci.h>
-#include <rte_atomic.h>
#include <rte_branch_prediction.h>
#include <rte_memory.h>
#include <rte_memzone.h>
@@ -160,59 +159,6 @@ gpa_zone_reserve(struct rte_eth_dev *dev, uint32_t size,
return rte_memzone_reserve_aligned(z_name, size, socket_id, 0, align);
}
-/**
- * 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 int
-vmxnet3_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 write to.
- * - Pointer to the buffer to be saved with the link status.
- *
- * @return
- * - On success, zero.
- * - On failure, negative value.
- */
-static int
-vmxnet3_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 based on vmxnet3_disable_intr()
*/
@@ -853,7 +799,7 @@ vmxnet3_dev_stop(struct rte_eth_dev *dev)
/* Clear recorded link status */
memset(&link, 0, sizeof(link));
- vmxnet3_dev_atomic_write_link_status(dev, &link);
+ rte_eth_linkstatus_set(dev, &link);
}
/*
@@ -1132,11 +1078,10 @@ __vmxnet3_dev_link_update(struct rte_eth_dev *dev,
__rte_unused int wait_to_complete)
{
struct vmxnet3_hw *hw = dev->data->dev_private;
- struct rte_eth_link old = { 0 }, link;
+ struct rte_eth_link link;
uint32_t ret;
memset(&link, 0, sizeof(link));
- vmxnet3_dev_atomic_read_link_status(dev, &old);
VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_GET_LINK);
ret = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_CMD);
@@ -1148,9 +1093,7 @@ __vmxnet3_dev_link_update(struct rte_eth_dev *dev,
link.link_autoneg = ETH_LINK_AUTONEG;
}
- vmxnet3_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
next prev 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 ` [dpdk-dev] [PATCH v8 03/15] net/virtio: use eth_linkstatus_set Stephen Hemminger
2018-01-26 2:01 ` Stephen Hemminger [this message]
2018-01-26 2:01 ` [dpdk-dev] [PATCH v8 05/15] net/dpaa2: use rte_eth_linkstatus_set 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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