This revision was automatically updated to reflect the committed changes.
Closed by commit rS295742: hyperv/hn: Always do transmission scheduling. 
(authored by sephe).

CHANGED PRIOR TO COMMIT
  https://reviews.freebsd.org/D5273?vs=13284&id=13400#toc

REPOSITORY
  rS FreeBSD src repository

CHANGES SINCE LAST UPDATE
  https://reviews.freebsd.org/D5273?vs=13284&id=13400

REVISION DETAIL
  https://reviews.freebsd.org/D5273

AFFECTED FILES
  head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c

CHANGE DETAILS
  diff --git a/head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c 
b/head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
  --- a/head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
  +++ b/head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
  @@ -465,6 +465,13 @@
            hn_tx_chimney_size < sc->hn_tx_chimney_max)
                sc->hn_tx_chimney_size = hn_tx_chimney_size;
   
  +     /*
  +      * Always schedule transmission instead of trying
  +      * to do direct transmission.  This one gives the
  +      * best performance so far.
  +      */
  +     sc->hn_sched_tx = 1;
  +
        ctx = device_get_sysctl_ctx(dev);
        child = SYSCTL_CHILDREN(device_get_sysctl_tree(dev));

EMAIL PREFERENCES
  https://reviews.freebsd.org/settings/panel/emailpreferences/

To: sepherosa_gmail.com, delphij, royger, decui_microsoft.com, 
honzhan_microsoft.com, howard0su_gmail.com, adrian, network
Cc: freebsd-virtualization-list, freebsd-net-list
diff --git a/head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c b/head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
--- a/head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
+++ b/head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
@@ -465,6 +465,13 @@
 	    hn_tx_chimney_size < sc->hn_tx_chimney_max)
 		sc->hn_tx_chimney_size = hn_tx_chimney_size;
 
+	/*
+	 * Always schedule transmission instead of trying
+	 * to do direct transmission.  This one gives the
+	 * best performance so far.
+	 */
+	sc->hn_sched_tx = 1;
+
 	ctx = device_get_sysctl_ctx(dev);
 	child = SYSCTL_CHILDREN(device_get_sysctl_tree(dev));
 

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