bridge: Fix incorrect re-injection of LLDP packets

[cascardo/linux.git] / net / bridge / br_input.c

diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 8b08eec..8e48620 100644 (file)
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -283,6 +283,14 @@ rx_handler_result_t br_handle_frame(struct sk_buff **pskb)
                case 0x01:      /* IEEE MAC (Pause) */
                        goto drop;
 
+               case 0x0E:      /* 802.1AB LLDP */
+                       fwd_mask |= p->br->group_fwd_mask;
+                       if (fwd_mask & (1u << dest[5]))
+                               goto forward;
+                       *pskb = skb;
+                       __br_handle_local_finish(skb);
+                       return RX_HANDLER_PASS;
+
                default:
                        /* Allow selective forwarding for most other protocols */
                        fwd_mask |= p->br->group_fwd_mask;