All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>
Subject: [PATCH v8 07/15] net/e1000: use rte_eth_linkstatus helpers
Date: Thu, 25 Jan 2018 18:01:43 -0800	[thread overview]
Message-ID: <20180126020151.979-8-stephen@networkplumber.org> (raw)
In-Reply-To: <20180126020151.979-1-stephen@networkplumber.org>

Use new rte_eth_linkstatus_get/set API.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/e1000/em_ethdev.c  | 70 +++--------------------------------------
 drivers/net/e1000/igb_ethdev.c | 71 +++---------------------------------------
 2 files changed, 10 insertions(+), 131 deletions(-)

diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c
index 07ee25f84f09..3a53846e14b5 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)) {
@@ -1215,14 +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);
-
-	/* not changed */
-	if (old.link_status == link.link_status)
-		return -1;
 
-	/* changed */
-	return 0;
+	return rte_eth_linkstatus_set(dev, &link);
 }
 
 /*
@@ -1631,8 +1571,8 @@ 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..5998febd54f5 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) {
@@ -2443,14 +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;
-
-	/* changed */
-	return 0;
+	return rte_eth_linkstatus_set(dev, &link);
 }
 
 /*
@@ -2887,8 +2827,7 @@ 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

  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 ` Stephen Hemminger [this message]
2018-01-26  2:01 ` [PATCH v8 08/15] net/ixgbe: " 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 ` [PATCH v8 10/15] net/i40e: use " Stephen Hemminger
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180126020151.979-8-stephen@networkplumber.org \
    --to=stephen@networkplumber.org \
    --cc=dev@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.