diff options
Diffstat (limited to 'net/tipc/link.c')
| -rw-r--r-- | net/tipc/link.c | 54 |
1 files changed, 24 insertions, 30 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c index c723ee90219d..dce2bef81720 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -297,14 +297,14 @@ void tipc_link_delete_list(unsigned int bearer_id, bool shutting_down) rcu_read_lock(); list_for_each_entry_rcu(n_ptr, &tipc_node_list, list) { - spin_lock_bh(&n_ptr->lock); + tipc_node_lock(n_ptr); l_ptr = n_ptr->links[bearer_id]; if (l_ptr) { tipc_link_reset(l_ptr); if (shutting_down || !tipc_node_is_up(n_ptr)) { tipc_node_detach_link(l_ptr->owner, l_ptr); tipc_link_reset_fragments(l_ptr); - spin_unlock_bh(&n_ptr->lock); + tipc_node_unlock(n_ptr); /* Nobody else can access this link now: */ del_timer_sync(&l_ptr->timer); @@ -312,12 +312,12 @@ void tipc_link_delete_list(unsigned int bearer_id, bool shutting_down) } else { /* Detach/delete when failover is finished: */ l_ptr->flags |= LINK_STOPPED; - spin_unlock_bh(&n_ptr->lock); + tipc_node_unlock(n_ptr); del_timer_sync(&l_ptr->timer); } continue; } - spin_unlock_bh(&n_ptr->lock); + tipc_node_unlock(n_ptr); } rcu_read_unlock(); } @@ -474,11 +474,11 @@ void tipc_link_reset_list(unsigned int bearer_id) rcu_read_lock(); list_for_each_entry_rcu(n_ptr, &tipc_node_list, list) { - spin_lock_bh(&n_ptr->lock); + tipc_node_lock(n_ptr); l_ptr = n_ptr->links[bearer_id]; if (l_ptr) tipc_link_reset(l_ptr); - spin_unlock_bh(&n_ptr->lock); + tipc_node_unlock(n_ptr); } rcu_read_unlock(); } @@ -1259,29 +1259,24 @@ void tipc_link_push_queue(struct tipc_link *l_ptr) } while (!res); } -static void link_reset_all(unsigned long addr) +void tipc_link_reset_all(struct tipc_node *node) { - struct tipc_node *n_ptr; char addr_string[16]; u32 i; - n_ptr = tipc_node_find((u32)addr); - if (!n_ptr) - return; /* node no longer exists */ - - tipc_node_lock(n_ptr); + tipc_node_lock(node); pr_warn("Resetting all links to %s\n", - tipc_addr_string_fill(addr_string, n_ptr->addr)); + tipc_addr_string_fill(addr_string, node->addr)); for (i = 0; i < MAX_BEARERS; i++) { - if (n_ptr->links[i]) { - link_print(n_ptr->links[i], "Resetting link\n"); - tipc_link_reset(n_ptr->links[i]); + if (node->links[i]) { + link_print(node->links[i], "Resetting link\n"); + tipc_link_reset(node->links[i]); } } - tipc_node_unlock(n_ptr); + tipc_node_unlock(node); } static void link_retransmit_failure(struct tipc_link *l_ptr, @@ -1318,10 +1313,9 @@ static void link_retransmit_failure(struct tipc_link *l_ptr, n_ptr->bclink.oos_state, n_ptr->bclink.last_sent); - tipc_k_signal((Handler)link_reset_all, (unsigned long)n_ptr->addr); - tipc_node_unlock(n_ptr); + tipc_bclink_set_flags(TIPC_BCLINK_RESET); l_ptr->stale_count = 0; } } @@ -1495,14 +1489,14 @@ void tipc_rcv(struct sk_buff *head, struct tipc_bearer *b_ptr) goto unlock_discard; /* Verify that communication with node is currently allowed */ - if ((n_ptr->block_setup & WAIT_PEER_DOWN) && - msg_user(msg) == LINK_PROTOCOL && - (msg_type(msg) == RESET_MSG || - msg_type(msg) == ACTIVATE_MSG) && - !msg_redundant_link(msg)) - n_ptr->block_setup &= ~WAIT_PEER_DOWN; - - if (n_ptr->block_setup) + if ((n_ptr->flags & TIPC_NODE_DOWN) && + msg_user(msg) == LINK_PROTOCOL && + (msg_type(msg) == RESET_MSG || + msg_type(msg) == ACTIVATE_MSG) && + !msg_redundant_link(msg)) + n_ptr->flags &= ~TIPC_NODE_DOWN; + + if (tipc_node_blocked(n_ptr)) goto unlock_discard; /* Validate message sequence number info */ @@ -1744,7 +1738,7 @@ void tipc_link_proto_xmit(struct tipc_link *l_ptr, u32 msg_typ, int probe_msg, return; /* Abort non-RESET send if communication with node is prohibited */ - if ((l_ptr->owner->block_setup) && (msg_typ != RESET_MSG)) + if ((tipc_node_blocked(l_ptr->owner)) && (msg_typ != RESET_MSG)) return; /* Create protocol message with "out-of-sequence" sequence number */ @@ -1859,7 +1853,7 @@ static void tipc_link_proto_rcv(struct tipc_link *l_ptr, struct sk_buff *buf) * peer has lost contact -- don't allow peer's links * to reactivate before we recognize loss & clean up */ - l_ptr->owner->block_setup = WAIT_NODE_DOWN; + l_ptr->owner->flags = TIPC_NODE_RESET; } link_state_event(l_ptr, RESET_MSG); |