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Commit 6278e03d authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'tipc-small-fixes' 



Jon Maloy says:

====================
tipc: two small fixes

We fix a couple of rarely seen anomalies discovered during testing.
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 8fa956e3 5ca509fc

net/tipc/link.c

+0 −2
Original line number Diff line number Diff line
@@ -87,7 +87,6 @@ struct tipc_stats { 
 * @peer_bearer_id: bearer id used by link's peer endpoint

 * @bearer_id: local bearer id used by link

 * @tolerance: minimum link continuity loss needed to reset link [in ms]

 * @keepalive_intv: link keepalive timer interval

 * @abort_limit: # of unacknowledged continuity probes needed to reset link

 * @state: current state of link FSM

 * @peer_caps: bitmap describing capabilities of peer node
@@ -131,7 +130,6 @@ struct tipc_link { 
	u32 peer_bearer_id;

	u32 bearer_id;

	u32 tolerance;

	unsigned long keepalive_intv;

	u32 abort_limit;

	u32 state;

	u16 peer_caps;

net/tipc/node.c

+12 −10
Original line number Diff line number Diff line
@@ -378,14 +378,13 @@ static void tipc_node_calculate_timer(struct tipc_node *n, struct tipc_link *l) 
{

	unsigned long tol = tipc_link_tolerance(l);

	unsigned long intv = ((tol / 4) > 500) ? 500 : tol / 4;

	unsigned long keepalive_intv = msecs_to_jiffies(intv);



	/* Link with lowest tolerance determines timer interval */

	if (keepalive_intv < n->keepalive_intv)

		n->keepalive_intv = keepalive_intv;

	if (intv < n->keepalive_intv)

		n->keepalive_intv = intv;



	/* Ensure link's abort limit corresponds to current interval */

	tipc_link_set_abort_limit(l, tol / jiffies_to_msecs(n->keepalive_intv));

	/* Ensure link's abort limit corresponds to current tolerance */

	tipc_link_set_abort_limit(l, tol / n->keepalive_intv);

}



static void tipc_node_delete(struct tipc_node *node)
@@ -526,7 +525,7 @@ static void tipc_node_timeout(unsigned long data) 
		if (rc & TIPC_LINK_DOWN_EVT)

			tipc_node_link_down(n, bearer_id, false);

	}

	mod_timer(&n->timer, jiffies + n->keepalive_intv);

	mod_timer(&n->timer, jiffies + msecs_to_jiffies(n->keepalive_intv));

}



/**
@@ -735,6 +734,7 @@ void tipc_node_check_dest(struct net *net, u32 onode, 
	bool accept_addr = false;

	bool reset = true;

	char *if_name;

	unsigned long intv;



	*dupl_addr = false;

	*respond = false;
@@ -840,10 +840,12 @@ void tipc_node_check_dest(struct net *net, u32 onode, 
		le->link = l;

		n->link_cnt++;

		tipc_node_calculate_timer(n, l);

		if (n->link_cnt == 1)

			if (!mod_timer(&n->timer, jiffies + n->keepalive_intv))

		if (n->link_cnt == 1) {

			intv = jiffies + msecs_to_jiffies(n->keepalive_intv);

			if (!mod_timer(&n->timer, intv))

				tipc_node_get(n);

		}

	}

	memcpy(&le->maddr, maddr, sizeof(*maddr));

exit:

	tipc_node_write_unlock(n);
@@ -950,7 +952,7 @@ static void tipc_node_fsm_evt(struct tipc_node *n, int evt) 
			state = SELF_UP_PEER_UP;

			break;

		case SELF_LOST_CONTACT_EVT:

			state = SELF_DOWN_PEER_LEAVING;

			state = SELF_DOWN_PEER_DOWN;

			break;

		case SELF_ESTABL_CONTACT_EVT:

		case PEER_LOST_CONTACT_EVT:
@@ -969,7 +971,7 @@ static void tipc_node_fsm_evt(struct tipc_node *n, int evt) 
			state = SELF_UP_PEER_UP;

			break;

		case PEER_LOST_CONTACT_EVT:

			state = SELF_LEAVING_PEER_DOWN;

			state = SELF_DOWN_PEER_DOWN;

			break;

		case SELF_LOST_CONTACT_EVT:

		case PEER_ESTABL_CONTACT_EVT: