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authorHannes Reinecke <hare@suse.de>2016-10-13 15:11:00 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2016-11-08 17:29:53 -0500
commit5d5a51d205ba841b88d758deb6ff537fb754adbc (patch)
treec24efe963c8ae3779412849028f6e215620b1627 /drivers/scsi/fcoe
parentf7e6ed0654128979a1939be6640416abb6a54811 (diff)
downloadlinux-5d5a51d205ba841b88d758deb6ff537fb754adbc.tar.bz2
scsi: fcoe: filter out frames from invalid vlans
Any multicase address is set on all interfaces, the base interface and any VLAN interfaces on top of this. So we might receive frames which are not destined for us. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/fcoe')
-rw-r--r--drivers/scsi/fcoe/fcoe_ctlr.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index d773b4658861..4aacd60f49b3 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -2754,11 +2754,21 @@ static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *fip, struct sk_buff *skb)
struct fc_rport_priv rdata;
struct fcoe_rport frport;
} buf;
- int rc;
+ int rc, vlan_id = 0;
fiph = (struct fip_header *)skb->data;
sub = fiph->fip_subcode;
+ if (fip->lp->vlan)
+ vlan_id = skb_vlan_tag_get_id(skb);
+
+ if (vlan_id && vlan_id != fip->lp->vlan) {
+ LIBFCOE_FIP_DBG(fip, "vn_recv drop frame sub %x vlan %d\n",
+ sub, vlan_id);
+ rc = -EAGAIN;
+ goto drop;
+ }
+
rc = fcoe_ctlr_vn_parse(fip, skb, &buf.rdata);
if (rc) {
LIBFCOE_FIP_DBG(fip, "vn_recv vn_parse error %d\n", rc);