svn commit: r314083 - stable/11/sys/dev/hyperv/netvsc

[Dexuan Cui]

Author: dexuan
Date: Wed Feb 22 06:06:58 2017
New Revision: 314083
URL: https://svnweb.freebsd.org/changeset/base/314083

Log:
  MFC: 312685
  
  Approved by:	sephe(mentor)
  
  r312685
      hyperv/hn: remember the channel pointer in struct hn_rx_ring
  
      This will be used by the coming NIC SR-IOV patch.
  
      Reviewed by:	sephe
      Approved by:	sephe (mentor)
      Sponsored by:	Microsoft
      Differential Revision:	https://reviews.freebsd.org/D8909

Modified:
  stable/11/sys/dev/hyperv/netvsc/if_hn.c
  stable/11/sys/dev/hyperv/netvsc/if_hnvar.h
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/dev/hyperv/netvsc/if_hn.c
==============================================================================
--- stable/11/sys/dev/hyperv/netvsc/if_hn.c	Wed Feb 22 05:11:24 2017	(r314082)
+++ stable/11/sys/dev/hyperv/netvsc/if_hn.c	Wed Feb 22 06:06:58 2017	(r314083)
@@ -4323,6 +4323,7 @@ hn_chan_attach(struct hn_softc *sc, stru
 	KASSERT((rxr->hn_rx_flags & HN_RX_FLAG_ATTACHED) == 0,
 	    ("RX ring %d already attached", idx));
 	rxr->hn_rx_flags |= HN_RX_FLAG_ATTACHED;
+	rxr->hn_chan = chan;
 
 	if (bootverbose) {
 		if_printf(sc->hn_ifp, "link RX ring %d to chan%u\n",

Modified: stable/11/sys/dev/hyperv/netvsc/if_hnvar.h
==============================================================================
--- stable/11/sys/dev/hyperv/netvsc/if_hnvar.h	Wed Feb 22 05:11:24 2017	(r314082)
+++ stable/11/sys/dev/hyperv/netvsc/if_hnvar.h	Wed Feb 22 06:06:58 2017	(r314083)
@@ -85,6 +85,8 @@ struct hn_rx_ring {
 
 	void		*hn_br;		/* TX/RX bufring */
 	struct hyperv_dma hn_br_dma;
+
+	struct vmbus_channel *hn_chan;
 } __aligned(CACHE_LINE_SIZE);
 
 #define HN_TRUST_HCSUM_IP	0x0001