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Diffstat (limited to 'net/tipc/bcast.c')
-rw-r--r--net/tipc/bcast.c51
1 files changed, 32 insertions, 19 deletions
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c
index a008c6689305..22a60fc98392 100644
--- a/net/tipc/bcast.c
+++ b/net/tipc/bcast.c
@@ -121,6 +121,9 @@ static DEFINE_SPINLOCK(bc_lock);
const char tipc_bclink_name[] = "broadcast-link";
+static void tipc_nmap_diff(struct tipc_node_map *nm_a,
+ struct tipc_node_map *nm_b,
+ struct tipc_node_map *nm_diff);
static u32 buf_seqno(struct sk_buff *buf)
{
@@ -143,6 +146,19 @@ static void bcbuf_decr_acks(struct sk_buff *buf)
}
+static void bclink_set_last_sent(void)
+{
+ if (bcl->next_out)
+ bcl->fsm_msg_cnt = mod(buf_seqno(bcl->next_out) - 1);
+ else
+ bcl->fsm_msg_cnt = mod(bcl->next_out_no - 1);
+}
+
+u32 tipc_bclink_get_last_sent(void)
+{
+ return bcl->fsm_msg_cnt;
+}
+
/**
* bclink_set_gap - set gap according to contents of current deferred pkt queue
*
@@ -171,7 +187,7 @@ static void bclink_set_gap(struct tipc_node *n_ptr)
static int bclink_ack_allowed(u32 n)
{
- return((n % TIPC_MIN_LINK_WIN) == tipc_own_tag);
+ return (n % TIPC_MIN_LINK_WIN) == tipc_own_tag;
}
@@ -237,8 +253,10 @@ void tipc_bclink_acknowledge(struct tipc_node *n_ptr, u32 acked)
/* Try resolving broadcast link congestion, if necessary */
- if (unlikely(bcl->next_out))
+ if (unlikely(bcl->next_out)) {
tipc_link_push_queue(bcl);
+ bclink_set_last_sent();
+ }
if (unlikely(released && !list_empty(&bcl->waiting_ports)))
tipc_link_wakeup_ports(bcl, 0);
spin_unlock_bh(&bc_lock);
@@ -272,7 +290,7 @@ static void bclink_send_nack(struct tipc_node *n_ptr)
if (!less(n_ptr->bclink.gap_after, n_ptr->bclink.gap_to))
return;
- buf = buf_acquire(INT_H_SIZE);
+ buf = tipc_buf_acquire(INT_H_SIZE);
if (buf) {
msg = buf_msg(buf);
tipc_msg_init(msg, BCAST_PROTOCOL, STATE_MSG,
@@ -395,7 +413,7 @@ int tipc_bclink_send_msg(struct sk_buff *buf)
if (unlikely(res == -ELINKCONG))
buf_discard(buf);
else
- bcl->stats.sent_info++;
+ bclink_set_last_sent();
if (bcl->out_queue_size > bcl->stats.max_queue_sz)
bcl->stats.max_queue_sz = bcl->out_queue_size;
@@ -529,15 +547,6 @@ receive:
tipc_node_unlock(node);
}
-u32 tipc_bclink_get_last_sent(void)
-{
- u32 last_sent = mod(bcl->next_out_no - 1);
-
- if (bcl->next_out)
- last_sent = mod(buf_seqno(bcl->next_out) - 1);
- return last_sent;
-}
-
u32 tipc_bclink_acks_missing(struct tipc_node *n_ptr)
{
return (n_ptr->bclink.supported &&
@@ -570,6 +579,7 @@ static int tipc_bcbearer_send(struct sk_buff *buf,
msg = buf_msg(buf);
msg_set_non_seq(msg, 1);
msg_set_mc_netid(msg, tipc_net_id);
+ bcl->stats.sent_info++;
}
/* Send buffer over bearers until all targets reached */
@@ -609,11 +619,13 @@ static int tipc_bcbearer_send(struct sk_buff *buf,
bcbearer->remains = bcbearer->remains_new;
}
- /* Unable to reach all targets */
+ /*
+ * Unable to reach all targets (indicate success, since currently
+ * there isn't code in place to properly block & unblock the
+ * pseudo-bearer used by the broadcast link)
+ */
- bcbearer->bearer.publ.blocked = 1;
- bcl->stats.bearer_congs++;
- return 1;
+ return TIPC_OK;
}
/**
@@ -862,8 +874,9 @@ void tipc_nmap_remove(struct tipc_node_map *nm_ptr, u32 node)
* @nm_diff: output node map A-B (i.e. nodes of A that are not in B)
*/
-void tipc_nmap_diff(struct tipc_node_map *nm_a, struct tipc_node_map *nm_b,
- struct tipc_node_map *nm_diff)
+static void tipc_nmap_diff(struct tipc_node_map *nm_a,
+ struct tipc_node_map *nm_b,
+ struct tipc_node_map *nm_diff)
{
int stop = ARRAY_SIZE(nm_a->map);
int w;