bnx2x: do not rollback VF MAC/VLAN filters we did not configure

On failure to configure a VF MAC/VLAN filter we should not attempt to
rollback filters that we failed to configure with -EEXIST.

Orabug: 26440216

Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 78d5505432436516456c12abbe705ec8dee7ee2b)
Signed-off-by: Somasundaram Krishnasamy <somasundaram.krishnasamy@oracle.com>
Reviewed-by: Jack Vogel <jack.vogel@oracle.com>

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index c001795de80ed6b30ee0039f0e7eca70388addac..1fb76ef74afd12c8bd127cf17d2f61e59547c207 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -434,7 +434,9 @@ static int bnx2x_vf_mac_vlan_config(struct bnx2x *bp,
 
        /* Add/Remove the filter */
        rc = bnx2x_config_vlan_mac(bp, &ramrod);
-       if (rc && rc != -EEXIST) {
+       if (rc == -EEXIST)
+               return 0;
+       if (rc) {
                BNX2X_ERR("Failed to %s %s\n",
                          filter->add ? "add" : "delete",
                          (filter->type == BNX2X_VF_FILTER_VLAN_MAC) ?
@@ -444,6 +446,8 @@ static int bnx2x_vf_mac_vlan_config(struct bnx2x *bp,
                return rc;
        }
 
+       filter->applied = true;
+
        return 0;
 }
 
@@ -471,6 +475,8 @@ int bnx2x_vf_mac_vlan_config_list(struct bnx2x *bp, struct bnx2x_virtf *vf,
                BNX2X_ERR("Managed only %d/%d filters - rolling back\n",
                          i, filters->count + 1);
                while (--i >= 0) {
+                       if (!filters->filters[i].applied)
+                               continue;
                        filters->filters[i].add = !filters->filters[i].add;
                        bnx2x_vf_mac_vlan_config(bp, vf, qid,
                                                 &filters->filters[i],

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
index 7a6d406f4c111774ea606c98253608273ae8787b..888d0b6632e86f2f7ab7e2f9e605be87fa4c7061 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
@@ -114,6 +114,7 @@ struct bnx2x_vf_mac_vlan_filter {
        (BNX2X_VF_FILTER_MAC | BNX2X_VF_FILTER_VLAN) /*shortcut*/
 
        bool add;
+       bool applied;
        u8 *mac;
        u16 vid;
 };