svn commit: r357102 - head/sys/dev/mlx4/mlx4_en

[Gleb Smirnoff]

Author: glebius
Date: Sat Jan 25 00:06:18 2020
New Revision: 357102
URL: https://svnweb.freebsd.org/changeset/base/357102

Log:
  Enter the network epoch in RX processing taskqueue.

Modified:
  head/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c

Modified: head/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c
==============================================================================
--- head/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c	Fri Jan 24 22:50:23 2020	(r357101)
+++ head/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c	Sat Jan 25 00:06:18 2020	(r357102)
@@ -895,6 +895,7 @@ void mlx4_en_rx_irq(struct mlx4_cq *mcq)
 
 void mlx4_en_rx_que(void *context, int pending)
 {
+	struct epoch_tracker et;
         struct mlx4_en_cq *cq;
 	struct thread *td;
 
@@ -905,8 +906,10 @@ void mlx4_en_rx_que(void *context, int pending)
 	sched_bind(td, cq->curr_poll_rx_cpu_id);
 	thread_unlock(td);
 
+	NET_EPOCH_ENTER(et);
         while (mlx4_en_poll_rx_cq(cq, MLX4_EN_RX_BUDGET)
                         == MLX4_EN_RX_BUDGET);
+	NET_EPOCH_EXIT(et);
         mlx4_en_arm_cq(cq->dev->if_softc, cq);
 }