Author: hselasky
Date: Mon Mar 5 14:22:36 2018
New Revision: 330506
URL: https://svnweb.freebsd.org/changeset/base/330506
Log:
Pass valid if_index to rdma_addr_find_l2_eth_by_grh() in ibcore when possible.
MFC after: 1 week
Sponsored by: Mellanox Technologies
Modified:
head/sys/ofed/drivers/infiniband/core/ib_verbs.c
Modified: head/sys/ofed/drivers/infiniband/core/ib_verbs.c
==============================================================================
--- head/sys/ofed/drivers/infiniband/core/ib_verbs.c Mon Mar 5 13:58:03
2018 (r330505)
+++ head/sys/ofed/drivers/infiniband/core/ib_verbs.c Mon Mar 5 14:22:36
2018 (r330506)
@@ -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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