aboutsummaryrefslogtreecommitdiffstats
path: root/debian/patches/nicvf-0005-net-thunderx-wait-to-complete-during-link-update.patch
diff options
context:
space:
mode:
Diffstat (limited to 'debian/patches/nicvf-0005-net-thunderx-wait-to-complete-during-link-update.patch')
-rw-r--r--debian/patches/nicvf-0005-net-thunderx-wait-to-complete-during-link-update.patch59
1 files changed, 59 insertions, 0 deletions
diff --git a/debian/patches/nicvf-0005-net-thunderx-wait-to-complete-during-link-update.patch b/debian/patches/nicvf-0005-net-thunderx-wait-to-complete-during-link-update.patch
new file mode 100644
index 00000000..32937a1c
--- /dev/null
+++ b/debian/patches/nicvf-0005-net-thunderx-wait-to-complete-during-link-update.patch
@@ -0,0 +1,59 @@
+From 0cca56708d781b42561e382fcbcb1f1647b932b9 Mon Sep 17 00:00:00 2001
+From: Andriy Berestovskyy <andriy.berestovskyy@caviumnetworks.com>
+Date: Fri, 31 Mar 2017 15:57:49 +0200
+Subject: [PATCH] net/thunderx: wait to complete during link update
+
+Some DPDK applications/examples check link status on their
+start. NICVF does not wait for the link, so those apps fail.
+
+Wait up to 9 seconds for the link as other PMDs do in order
+to fix those apps/examples.
+
+Signed-off-by: Andriy Berestovskyy <andriy.berestovskyy@caviumnetworks.com>
+Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
+---
+ drivers/net/thunderx/nicvf_ethdev.c | 21 +++++++++++++++++----
+ 1 file changed, 17 insertions(+), 4 deletions(-)
+
+Origin: http://dpdk.org/browse/dpdk/commit/?id=0cca56708d781b42561e382fcbcb1f1647b932b9
+Original-Author: Andriy Berestovskyy <andriy.berestovskyy@caviumnetworks.com>
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/dpdk/+bug/1691659
+Author: Christian Ehrhardt <christian.ehrhardt@canonical.com>
+Last-Update: 2017-05-18
+
+--- a/drivers/net/thunderx/nicvf_ethdev.c
++++ b/drivers/net/thunderx/nicvf_ethdev.c
+@@ -145,16 +145,29 @@
+ * Return 0 means link status changed, -1 means not changed
+ */
+ static int
+-nicvf_dev_link_update(struct rte_eth_dev *dev,
+- int wait_to_complete __rte_unused)
++nicvf_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
+ {
++#define CHECK_INTERVAL 100 /* 100ms */
++#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
+ struct rte_eth_link link;
+ struct nicvf *nic = nicvf_pmd_priv(dev);
++ int i;
+
+ PMD_INIT_FUNC_TRACE();
+
+- memset(&link, 0, sizeof(link));
+- nicvf_set_eth_link_status(nic, &link);
++ if (wait_to_complete) {
++ /* rte_eth_link_get() might need to wait up to 9 seconds */
++ for (i = 0; i < MAX_CHECK_TIME; i++) {
++ memset(&link, 0, sizeof(link));
++ nicvf_set_eth_link_status(nic, &link);
++ if (link.link_status)
++ break;
++ rte_delay_ms(CHECK_INTERVAL);
++ }
++ } else {
++ memset(&link, 0, sizeof(link));
++ nicvf_set_eth_link_status(nic, &link);
++ }
+ return nicvf_atomic_write_link_status(dev, &link);
+ }
+