diff mbox series

[v2,4/5] net/bnx2x: fix call to link handling periodic function

Message ID 1538199734-23357-4-git-send-email-rasesh.mody@cavium.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers
Series None |

Commit Message

Mody, Rasesh Sept. 29, 2018, 5:42 a.m. UTC 
  If link handling periodic function is allowed to be called in interrupt
context, the periodic function can get called too frequently and exhaust
the retry credits to check link status.

This change makes sure link handling periodic function is not called in
interrupt context.

Fixes: 540a211084a7 ("bnx2x: driver core")
Cc: stable@dpdk.org

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
---
 drivers/net/bnx2x/bnx2x_ethdev.c |    2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/bnx2x/bnx2x_ethdev.c b/drivers/net/bnx2x/bnx2x_ethdev.c
index ae2e60a..0057843 100644
--- a/drivers/net/bnx2x/bnx2x_ethdev.c
+++ b/drivers/net/bnx2x/bnx2x_ethdev.c
@@ -131,7 +131,9 @@  struct rte_bnx2x_xstats_name_off {
 
 	PMD_DEBUG_PERIODIC_LOG(INFO, sc, "Interrupt handled");
 
+	atomic_store_rel_long(&sc->periodic_flags, PERIODIC_STOP);
 	bnx2x_interrupt_action(dev);
+	atomic_store_rel_long(&sc->periodic_flags, PERIODIC_GO);
 	rte_intr_enable(&sc->pci_dev->intr_handle);
 }