diff options
Diffstat (limited to 'net/tipc/node.c')
| -rw-r--r-- | net/tipc/node.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/tipc/node.c b/net/tipc/node.c index 9e106d3ed187..3a5be1d7e572 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -766,9 +766,9 @@ static void tipc_node_link_up(struct tipc_node *n, int bearer_id, * disturbance, wrong session, etc.) * 3. Link <1B-2B> up * 4. Link endpoint 2A down (e.g. due to link tolerance timeout) - * 5. Node B starts failover onto link <1B-2B> + * 5. Node 2 starts failover onto link <1B-2B> * - * ==> Node A does never start link/node failover! + * ==> Node 1 does never start link/node failover! * * @n: tipc node structure * @l: link peer endpoint failingover (- can be NULL) @@ -783,6 +783,10 @@ static void tipc_node_link_failover(struct tipc_node *n, struct tipc_link *l, if (!tipc_link_is_up(tnl)) return; + /* Don't rush, failure link may be in the process of resetting */ + if (l && !tipc_link_is_reset(l)) + return; + tipc_link_fsm_evt(tnl, LINK_SYNCH_END_EVT); tipc_node_fsm_evt(n, NODE_SYNCH_END_EVT); @@ -1645,7 +1649,7 @@ static bool tipc_node_check_state(struct tipc_node *n, struct sk_buff *skb, int usr = msg_user(hdr); int mtyp = msg_type(hdr); u16 oseqno = msg_seqno(hdr); - u16 iseqno = msg_seqno(msg_get_wrapped(hdr)); + u16 iseqno = msg_seqno(msg_inner_hdr(hdr)); u16 exp_pkts = msg_msgcnt(hdr); u16 rcv_nxt, syncpt, dlv_nxt, inputq_len; int state = n->state; @@ -1706,7 +1710,7 @@ static bool tipc_node_check_state(struct tipc_node *n, struct sk_buff *skb, /* Initiate or update failover mode if applicable */ if ((usr == TUNNEL_PROTOCOL) && (mtyp == FAILOVER_MSG)) { syncpt = oseqno + exp_pkts - 1; - if (pl && tipc_link_is_up(pl)) { + if (pl && !tipc_link_is_reset(pl)) { __tipc_node_link_down(n, &pb_id, xmitq, &maddr); trace_tipc_node_link_down(n, true, "node link down <- failover!"); @@ -1803,6 +1807,7 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b) __skb_queue_head_init(&xmitq); /* Ensure message is well-formed before touching the header */ + TIPC_SKB_CB(skb)->validated = false; if (unlikely(!tipc_msg_validate(&skb))) goto discard; hdr = buf_msg(skb); |