[dpdk-dev] [PATCH v7 07/15] net/e1000: use rte_eth_linkstatus helpers
Stephen Hemminger
stephen at networkplumber.org
Tue Jan 23 00:54:50 CET 2018
Use new rte_eth_linkstatus_get/set API.
Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
drivers/net/e1000/em_ethdev.c | 69 +++--------------------------------------
drivers/net/e1000/igb_ethdev.c | 70 +++---------------------------------------
2 files changed, 10 insertions(+), 129 deletions(-)
diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c
index 07ee25f84f09..3e68ef9e0581 100644
--- a/drivers/net/e1000/em_ethdev.c
+++ b/drivers/net/e1000/em_ethdev.c
@@ -20,7 +20,6 @@
#include <rte_ethdev_pci.h>
#include <rte_memory.h>
#include <rte_eal.h>
-#include <rte_atomic.h>
#include <rte_malloc.h>
#include <rte_dev.h>
@@ -197,57 +196,6 @@ static const struct eth_dev_ops eth_em_ops = {
.txq_info_get = em_txq_info_get,
};
-/**
- * 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_em_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_em_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;
-}
/**
* eth_em_dev_is_ich8 - Check for ICH8 device
@@ -802,7 +750,7 @@ eth_em_stop(struct rte_eth_dev *dev)
/* clear the recorded link status */
memset(&link, 0, sizeof(link));
- rte_em_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 */
@@ -1160,7 +1108,7 @@ eth_em_link_update(struct rte_eth_dev *dev, int wait_to_complete)
{
struct e1000_hw *hw =
E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct rte_eth_link link, old;
+ struct rte_eth_link link;
int link_check, count;
link_check = 0;
@@ -1195,8 +1143,6 @@ eth_em_link_update(struct rte_eth_dev *dev, int wait_to_complete)
rte_delay_ms(EM_LINK_UPDATE_CHECK_INTERVAL);
}
memset(&link, 0, sizeof(link));
- rte_em_dev_atomic_read_link_status(dev, &link);
- old = link;
/* Now we check if a transition has happened */
if (link_check && (link.link_status == ETH_LINK_DOWN)) {
@@ -1215,13 +1161,8 @@ eth_em_link_update(struct rte_eth_dev *dev, int wait_to_complete)
link.link_status = ETH_LINK_DOWN;
link.link_autoneg = ETH_LINK_FIXED;
}
- rte_em_dev_atomic_write_link_status(dev, &link);
+ rte_eth_linkstatus_set(dev, &link);
- /* not changed */
- if (old.link_status == link.link_status)
- return -1;
-
- /* changed */
return 0;
}
@@ -1631,8 +1572,8 @@ eth_em_interrupt_action(struct rte_eth_dev *dev,
if (ret < 0)
return 0;
- memset(&link, 0, sizeof(link));
- rte_em_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",
dev->data->port_id, link.link_speed,
diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c
index 53b8ffa45fda..c23683e60779 100644
--- a/drivers/net/e1000/igb_ethdev.c
+++ b/drivers/net/e1000/igb_ethdev.c
@@ -20,7 +20,6 @@
#include <rte_ethdev_pci.h>
#include <rte_memory.h>
#include <rte_eal.h>
-#include <rte_atomic.h>
#include <rte_malloc.h>
#include <rte_dev.h>
@@ -522,57 +521,6 @@ static const struct rte_igb_xstats_name_off rte_igbvf_stats_strings[] = {
#define IGBVF_NB_XSTATS (sizeof(rte_igbvf_stats_strings) / \
sizeof(rte_igbvf_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_igb_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_igb_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 inline void
igb_intr_enable(struct rte_eth_dev *dev)
@@ -1559,7 +1507,7 @@ eth_igb_stop(struct rte_eth_dev *dev)
/* clear the recorded link status */
memset(&link, 0, sizeof(link));
- rte_igb_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 */
@@ -1635,7 +1583,7 @@ eth_igb_close(struct rte_eth_dev *dev)
}
memset(&link, 0, sizeof(link));
- rte_igb_dev_atomic_write_link_status(dev, &link);
+ rte_eth_linkstatus_set(dev, &link);
}
static int
@@ -2382,7 +2330,7 @@ eth_igb_link_update(struct rte_eth_dev *dev, int wait_to_complete)
{
struct e1000_hw *hw =
E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct rte_eth_link link, old;
+ struct rte_eth_link link;
int link_check, count;
link_check = 0;
@@ -2423,8 +2371,6 @@ eth_igb_link_update(struct rte_eth_dev *dev, int wait_to_complete)
rte_delay_ms(IGB_LINK_UPDATE_CHECK_INTERVAL);
}
memset(&link, 0, sizeof(link));
- rte_igb_dev_atomic_read_link_status(dev, &link);
- old = link;
/* Now we check if a transition has happened */
if (link_check) {
@@ -2443,13 +2389,8 @@ eth_igb_link_update(struct rte_eth_dev *dev, int wait_to_complete)
link.link_status = ETH_LINK_DOWN;
link.link_autoneg = ETH_LINK_FIXED;
}
- rte_igb_dev_atomic_write_link_status(dev, &link);
-
- /* not changed */
- if (old.link_status == link.link_status)
- return -1;
+ rte_eth_linkstatus_set(dev, &link);
- /* changed */
return 0;
}
@@ -2887,8 +2828,7 @@ eth_igb_interrupt_action(struct rte_eth_dev *dev,
if (ret < 0)
return 0;
- memset(&link, 0, sizeof(link));
- rte_igb_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",
--
2.15.1
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