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From: Dexuan Cui <dexuan@FreeBSD.org>
Date: Tue, 24 Jan 2017 09:09:53 +0000 (UTC)
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Subject: svn commit: r312685 - head/sys/dev/hyperv/netvsc
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Author: dexuan
Date: Tue Jan 24 09:09:53 2017
New Revision: 312685
URL: https://svnweb.freebsd.org/changeset/base/312685

Log:
  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)
  MFC after:	2 weeks
  Sponsored by:	Microsoft
  Differential Revision:	https://reviews.freebsd.org/D8909

Modified:
  head/sys/dev/hyperv/netvsc/if_hn.c
  head/sys/dev/hyperv/netvsc/if_hnvar.h

Modified: head/sys/dev/hyperv/netvsc/if_hn.c
==============================================================================
--- head/sys/dev/hyperv/netvsc/if_hn.c	Tue Jan 24 08:56:54 2017	(r312684)
+++ head/sys/dev/hyperv/netvsc/if_hn.c	Tue Jan 24 09:09:53 2017	(r312685)
@@ -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: head/sys/dev/hyperv/netvsc/if_hnvar.h
==============================================================================
--- head/sys/dev/hyperv/netvsc/if_hnvar.h	Tue Jan 24 08:56:54 2017	(r312684)
+++ head/sys/dev/hyperv/netvsc/if_hnvar.h	Tue Jan 24 09:09:53 2017	(r312685)
@@ -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