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Date:      Fri, 30 Mar 2018 18:32:38 +0000 (UTC)
From:      Hans Petter Selasky <hselasky@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org
Subject:   svn commit: r331782 - stable/11/sys/ofed/drivers/infiniband/core
Message-ID:  <201803301832.w2UIWcvb077232@repo.freebsd.org>

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Author: hselasky
Date: Fri Mar 30 18:32:38 2018
New Revision: 331782
URL: https://svnweb.freebsd.org/changeset/base/331782

Log:
  MFC r330506:
  Pass valid if_index to rdma_addr_find_l2_eth_by_grh() in ibcore when possible.
  
  Sponsored by:	Mellanox Technologies

Modified:
  stable/11/sys/ofed/drivers/infiniband/core/ib_verbs.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/ofed/drivers/infiniband/core/ib_verbs.c
==============================================================================
--- stable/11/sys/ofed/drivers/infiniband/core/ib_verbs.c	Fri Mar 30 18:31:14 2018	(r331781)
+++ stable/11/sys/ofed/drivers/infiniband/core/ib_verbs.c	Fri Mar 30 18:32:38 2018	(r331782)
@@ -483,7 +483,7 @@ int ib_init_ah_from_wc(struct ib_device *device, u8 po
 		return ret;
 
 	if (rdma_protocol_roce(device, port_num)) {
-		int if_index = 0;
+		int if_index;
 		u16 vlan_id = wc->wc_flags & IB_WC_WITH_VLAN ?
 				wc->vlan_id : 0xffff;
 		struct net_device *idev;
@@ -498,6 +498,12 @@ int ib_init_ah_from_wc(struct ib_device *device, u8 po
 		idev = device->get_netdev(device, port_num);
 		if (!idev)
 			return -ENODEV;
+
+		/*
+		 * Get network interface index early on. This is
+		 * useful for IPv6 link local addresses:
+		 */
+		if_index = idev->if_index;
 
 		ret = rdma_addr_find_l2_eth_by_grh(&dgid, &sgid,
 						   ah_attr->dmac,



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