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authorParav Pandit <parav@mellanox.com>2019-04-10 11:23:03 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-04-24 10:08:15 -0300
commit823b23da71132b80d9f41ab667c68b112455f3b6 (patch)
treeb24020aa0670f71a597aef635d08cfc9661683a6 /drivers/infiniband/core
parentRDMA/mlx5: Don't create IB representors when in multiport RoCE mode (diff)
downloadlinux-dev-823b23da71132b80d9f41ab667c68b112455f3b6.tar.xz
linux-dev-823b23da71132b80d9f41ab667c68b112455f3b6.zip
IB/core: Allow vlan link local address based RoCE GIDs
IPv6 link local address for a VLAN netdevice has nothing to do with its resemblance with the default GID, because VLAN link local GID is in different layer 2 domain. Now that RoCE MAD packet processing and route resolution consider the right GID index, there is no need for an unnecessary check which prevents the addition of vlan based IPv6 link local GIDs. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core')
-rw-r--r--drivers/infiniband/core/cache.c27
1 files changed, 4 insertions, 23 deletions
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index 43c67e5f43c6..7499e7016e38 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -543,30 +543,11 @@ out_unlock:
int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
union ib_gid *gid, struct ib_gid_attr *attr)
{
- struct net_device *idev;
- unsigned long mask;
- int ret;
-
- idev = ib_device_get_netdev(ib_dev, port);
- if (idev && attr->ndev != idev) {
- union ib_gid default_gid;
-
- /* Adding default GIDs is not permitted */
- make_default_gid(idev, &default_gid);
- if (!memcmp(gid, &default_gid, sizeof(*gid))) {
- dev_put(idev);
- return -EPERM;
- }
- }
- if (idev)
- dev_put(idev);
-
- mask = GID_ATTR_FIND_MASK_GID |
- GID_ATTR_FIND_MASK_GID_TYPE |
- GID_ATTR_FIND_MASK_NETDEV;
+ unsigned long mask = GID_ATTR_FIND_MASK_GID |
+ GID_ATTR_FIND_MASK_GID_TYPE |
+ GID_ATTR_FIND_MASK_NETDEV;
- ret = __ib_cache_gid_add(ib_dev, port, gid, attr, mask, false);
- return ret;
+ return __ib_cache_gid_add(ib_dev, port, gid, attr, mask, false);
}
static int