diff options
Diffstat (limited to 'net/tipc/discover.c')
-rw-r--r-- | net/tipc/discover.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/net/tipc/discover.c b/net/tipc/discover.c index dba4767..3cb232d 100644 --- a/net/tipc/discover.c +++ b/net/tipc/discover.c @@ -53,6 +53,7 @@ * @bearer: bearer issuing requests * @dest: destination address for request messages * @domain: network domain to which links can be established + * @num_nodes: number of nodes currently discovered (i.e. with an active link) * @buf: request message to be (repeatedly) sent * @timer: timer governing period between requests * @timer_intv: current interval between requests (in ms) @@ -61,6 +62,7 @@ struct link_req { struct tipc_bearer *bearer; struct tipc_media_addr dest; u32 domain; + int num_nodes; struct sk_buff *buf; struct timer_list timer; unsigned int timer_intv; @@ -216,15 +218,12 @@ void tipc_disc_recv_msg(struct sk_buff *buf, struct tipc_bearer *b_ptr) } /** - * tipc_disc_update_link_req - update frequency of periodic link setup requests + * disc_update - update frequency of periodic link setup requests * @req: ptr to link request structure */ -void tipc_disc_update_link_req(struct link_req *req) +static void disc_update(struct link_req *req) { - if (!req) - return; - if (req->timer_intv == TIPC_LINK_REQ_SLOW) { if (!req->bearer->nodes.count) { req->timer_intv = TIPC_LINK_REQ_FAST; @@ -241,6 +240,28 @@ void tipc_disc_update_link_req(struct link_req *req) } /** + * tipc_disc_add_dest - increment set of discovered nodes + * @req: ptr to link request structure + */ + +void tipc_disc_add_dest(struct link_req *req) +{ + req->num_nodes++; + disc_update(req); +} + +/** + * tipc_disc_remove_dest - decrement set of discovered nodes + * @req: ptr to link request structure + */ + +void tipc_disc_remove_dest(struct link_req *req) +{ + req->num_nodes--; + disc_update(req); +} + +/** * disc_send_msg - send link setup request message * @req: ptr to link request structure */ @@ -307,6 +328,7 @@ int tipc_disc_create(struct tipc_bearer *b_ptr, memcpy(&req->dest, dest, sizeof(*dest)); req->bearer = b_ptr; req->domain = dest_domain; + req->num_nodes = 0; req->timer_intv = TIPC_LINK_REQ_INIT; k_init_timer(&req->timer, (Handler)disc_timeout, (unsigned long)req); k_start_timer(&req->timer, req->timer_intv); |