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 v2 10/15] i40e: use rte_eth_linkstatus functions
Date: Fri,  5 Jan 2018 17:06:51 -0800	[thread overview]
Message-ID: <20180106010656.9167-11-stephen@networkplumber.org> (raw)
In-Reply-To: <20180106010656.9167-1-stephen@networkplumber.org>

Use new rte_linkstatus update API

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/i40e/i40e_ethdev.c    | 44 ++++++---------------------------------
 drivers/net/i40e/i40e_ethdev_vf.c | 19 ++---------------
 2 files changed, 8 insertions(+), 55 deletions(-)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 285d92b3e7df..75affed2936f 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -627,34 +627,6 @@ 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");
@@ -2327,17 +2299,16 @@ 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;
 
 	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);
@@ -2390,13 +2361,10 @@ 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;
-
+	status = _rte_eth_linkstatus_set(dev, &link);
 	i40e_notify_all_vfs_link_status(dev);
 
-	return 0;
+	return status;
 }
 
 /* Get all the statistics of a VSI */
@@ -9854,7 +9822,7 @@ i40e_start_timecounters(struct rte_eth_dev *dev)
 	/* 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 b96d77a0caed..44c6c5b62a90 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -1034,20 +1034,6 @@ 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)
@@ -2069,6 +2055,7 @@ 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:
@@ -2100,9 +2087,7 @@ 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:[~2018-01-06  1:07 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-06  1:06 [PATCH v2 00/15] common ethdev linkstatus functions Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 01/15] eal: introduce atomic exchange operation Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 02/15] ethdev: add linkstatus get/set helper functions Stephen Hemminger
2018-01-06 10:49   ` Andrew Rybchenko
2018-01-06 14:24     ` Stephen Hemminger
2018-01-06 14:35       ` Andrew Rybchenko
2018-01-06  1:06 ` [PATCH v2 03/15] virtio: use eth_linkstatus_set Stephen Hemminger
2018-01-06  3:10   ` Tiwei Bie
2018-01-08 17:03     ` Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 04/15] vmxnet3: use rte_eth_linkstatus_set Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 05/15] dpaa2: " Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 06/15] nfp: use rte_eth_linkstatus functions Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 07/15] e1000: use rte_eth_linkstatus helpers Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 08/15] ixgbe: use rte_eth_linkstatus functions Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 09/15] sfc: use new " Stephen Hemminger
2018-01-06 11:10   ` Andrew Rybchenko
2018-01-06  1:06 ` Stephen Hemminger [this message]
2018-01-06  1:06 ` [PATCH v2 11/15] liquidio: use _rte_eth_linkstatus_set Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 12/15] thunderx: " Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 13/15] szedata: " Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 14/15] octeontx: use rte_eth_linkstatus_set Stephen Hemminger
2018-01-06  1:06 ` [PATCH v2 15/15] enic: use _rte_eth_linkstatus_set Stephen Hemminger

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=20180106010656.9167-11-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.