diff options
Diffstat (limited to 'net/tipc/bcast.c')
| -rw-r--r-- | net/tipc/bcast.c | 97 |
1 files changed, 35 insertions, 62 deletions
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c index e00441a2092f..e4e6d8cd47e6 100644 --- a/net/tipc/bcast.c +++ b/net/tipc/bcast.c @@ -73,7 +73,6 @@ struct tipc_bcbearer_pair { * large local variables within multicast routines. Concurrent access is * prevented through use of the spinlock "bc_lock". */ - struct tipc_bcbearer { struct tipc_bearer bearer; struct tipc_media media; @@ -92,7 +91,6 @@ struct tipc_bcbearer { * * Handles sequence numbering, fragmentation, bundling, etc. */ - struct tipc_bclink { struct tipc_link link; struct tipc_node node; @@ -164,12 +162,11 @@ static void bclink_update_last_sent(struct tipc_node *node, u32 seqno) } -/* +/** * tipc_bclink_retransmit_to - get most recent node to request retransmission * * Called with bc_lock locked */ - struct tipc_node *tipc_bclink_retransmit_to(void) { return bclink->retransmit_to; @@ -182,7 +179,6 @@ struct tipc_node *tipc_bclink_retransmit_to(void) * * Called with bc_lock locked */ - static void bclink_retransmit_pkt(u32 after, u32 to) { struct sk_buff *buf; @@ -200,7 +196,6 @@ static void bclink_retransmit_pkt(u32 after, u32 to) * * Node is locked, bc_lock unlocked. */ - void tipc_bclink_acknowledge(struct tipc_node *n_ptr, u32 acked) { struct sk_buff *crs; @@ -275,12 +270,11 @@ exit: spin_unlock_bh(&bc_lock); } -/* +/** * tipc_bclink_update_link_state - update broadcast link state * * tipc_net_lock and node lock set */ - void tipc_bclink_update_link_state(struct tipc_node *n_ptr, u32 last_sent) { struct sk_buff *buf; @@ -336,7 +330,7 @@ void tipc_bclink_update_link_state(struct tipc_node *n_ptr, u32 last_sent) } } -/* +/** * bclink_peek_nack - monitor retransmission requests sent by other nodes * * Delay any upcoming NACK by this node if another node has already @@ -344,7 +338,6 @@ void tipc_bclink_update_link_state(struct tipc_node *n_ptr, u32 last_sent) * * Only tipc_net_lock set. */ - static void bclink_peek_nack(struct tipc_msg *msg) { struct tipc_node *n_ptr = tipc_node_find(msg_destnode(msg)); @@ -365,7 +358,6 @@ static void bclink_peek_nack(struct tipc_msg *msg) /* * tipc_bclink_send_msg - broadcast a packet to all nodes in cluster */ - int tipc_bclink_send_msg(struct sk_buff *buf) { int res; @@ -389,12 +381,11 @@ exit: return res; } -/* +/** * bclink_accept_pkt - accept an incoming, in-sequence broadcast packet * * Called with both sending node's lock and bc_lock taken. */ - static void bclink_accept_pkt(struct tipc_node *node, u32 seqno) { bclink_update_last_sent(node, seqno); @@ -415,12 +406,11 @@ static void bclink_accept_pkt(struct tipc_node *node, u32 seqno) } } -/* +/** * tipc_bclink_recv_pkt - receive a broadcast packet, and deliver upwards * * tipc_net_lock is read_locked, no other locks set */ - void tipc_bclink_recv_pkt(struct sk_buff *buf) { struct tipc_msg *msg = buf_msg(buf); @@ -588,7 +578,6 @@ u32 tipc_bclink_acks_missing(struct tipc_node *n_ptr) * Returns 0 (packet sent successfully) under all circumstances, * since the broadcast link's pseudo-bearer never blocks */ - static int tipc_bcbearer_send(struct sk_buff *buf, struct tipc_bearer *unused1, struct tipc_media_addr *unused2) @@ -601,7 +590,6 @@ static int tipc_bcbearer_send(struct sk_buff *buf, * preparation is skipped for broadcast link protocol messages * since they are sent in an unreliable manner and don't need it */ - if (likely(!msg_non_seq(buf_msg(buf)))) { struct tipc_msg *msg; @@ -618,7 +606,6 @@ static int tipc_bcbearer_send(struct sk_buff *buf, } /* Send buffer over bearers until all targets reached */ - bcbearer->remains = bclink->bcast_nodes; for (bp_index = 0; bp_index < MAX_BEARERS; bp_index++) { @@ -660,7 +647,6 @@ static int tipc_bcbearer_send(struct sk_buff *buf, /** * tipc_bcbearer_sort - create sets of bearer pairs used by broadcast bearer */ - void tipc_bcbearer_sort(void) { struct tipc_bcbearer_pair *bp_temp = bcbearer->bpairs_temp; @@ -671,7 +657,6 @@ void tipc_bcbearer_sort(void) spin_lock_bh(&bc_lock); /* Group bearers by priority (can assume max of two per priority) */ - memset(bp_temp, 0, sizeof(bcbearer->bpairs_temp)); for (b_index = 0; b_index < MAX_BEARERS; b_index++) { @@ -687,7 +672,6 @@ void tipc_bcbearer_sort(void) } /* Create array of bearer pairs for broadcasting */ - bp_curr = bcbearer->bpairs; memset(bcbearer->bpairs, 0, sizeof(bcbearer->bpairs)); @@ -717,48 +701,43 @@ void tipc_bcbearer_sort(void) int tipc_bclink_stats(char *buf, const u32 buf_size) { - struct print_buf pb; + int ret; + struct tipc_stats *s; if (!bcl) return 0; - tipc_printbuf_init(&pb, buf, buf_size); - spin_lock_bh(&bc_lock); - tipc_printf(&pb, "Link <%s>\n" - " Window:%u packets\n", - bcl->name, bcl->queue_limit[0]); - tipc_printf(&pb, " RX packets:%u fragments:%u/%u bundles:%u/%u\n", - bcl->stats.recv_info, - bcl->stats.recv_fragments, - bcl->stats.recv_fragmented, - bcl->stats.recv_bundles, - bcl->stats.recv_bundled); - tipc_printf(&pb, " TX packets:%u fragments:%u/%u bundles:%u/%u\n", - bcl->stats.sent_info, - bcl->stats.sent_fragments, - bcl->stats.sent_fragmented, - bcl->stats.sent_bundles, - bcl->stats.sent_bundled); - tipc_printf(&pb, " RX naks:%u defs:%u dups:%u\n", - bcl->stats.recv_nacks, - bcl->stats.deferred_recv, - bcl->stats.duplicates); - tipc_printf(&pb, " TX naks:%u acks:%u dups:%u\n", - bcl->stats.sent_nacks, - bcl->stats.sent_acks, - bcl->stats.retransmitted); - tipc_printf(&pb, " Congestion bearer:%u link:%u Send queue max:%u avg:%u\n", - bcl->stats.bearer_congs, - bcl->stats.link_congs, - bcl->stats.max_queue_sz, - bcl->stats.queue_sz_counts - ? (bcl->stats.accu_queue_sz / bcl->stats.queue_sz_counts) - : 0); + s = &bcl->stats; + + ret = tipc_snprintf(buf, buf_size, "Link <%s>\n" + " Window:%u packets\n", + bcl->name, bcl->queue_limit[0]); + ret += tipc_snprintf(buf + ret, buf_size - ret, + " RX packets:%u fragments:%u/%u bundles:%u/%u\n", + s->recv_info, s->recv_fragments, + s->recv_fragmented, s->recv_bundles, + s->recv_bundled); + ret += tipc_snprintf(buf + ret, buf_size - ret, + " TX packets:%u fragments:%u/%u bundles:%u/%u\n", + s->sent_info, s->sent_fragments, + s->sent_fragmented, s->sent_bundles, + s->sent_bundled); + ret += tipc_snprintf(buf + ret, buf_size - ret, + " RX naks:%u defs:%u dups:%u\n", + s->recv_nacks, s->deferred_recv, s->duplicates); + ret += tipc_snprintf(buf + ret, buf_size - ret, + " TX naks:%u acks:%u dups:%u\n", + s->sent_nacks, s->sent_acks, s->retransmitted); + ret += tipc_snprintf(buf + ret, buf_size - ret, + " Congestion bearer:%u link:%u Send queue max:%u avg:%u\n", + s->bearer_congs, s->link_congs, s->max_queue_sz, + s->queue_sz_counts ? + (s->accu_queue_sz / s->queue_sz_counts) : 0); spin_unlock_bh(&bc_lock); - return tipc_printbuf_validate(&pb); + return ret; } int tipc_bclink_reset_stats(void) @@ -817,7 +796,6 @@ void tipc_bclink_stop(void) /** * tipc_nmap_add - add a node to a node map */ - void tipc_nmap_add(struct tipc_node_map *nm_ptr, u32 node) { int n = tipc_node(node); @@ -833,7 +811,6 @@ void tipc_nmap_add(struct tipc_node_map *nm_ptr, u32 node) /** * tipc_nmap_remove - remove a node from a node map */ - void tipc_nmap_remove(struct tipc_node_map *nm_ptr, u32 node) { int n = tipc_node(node); @@ -852,7 +829,6 @@ void tipc_nmap_remove(struct tipc_node_map *nm_ptr, u32 node) * @nm_b: input node map B * @nm_diff: output node map A-B (i.e. nodes of A that are not in B) */ - static void tipc_nmap_diff(struct tipc_node_map *nm_a, struct tipc_node_map *nm_b, struct tipc_node_map *nm_diff) @@ -878,7 +854,6 @@ static void tipc_nmap_diff(struct tipc_node_map *nm_a, /** * tipc_port_list_add - add a port to a port list, ensuring no duplicates */ - void tipc_port_list_add(struct tipc_port_list *pl_ptr, u32 port) { struct tipc_port_list *item = pl_ptr; @@ -900,7 +875,7 @@ void tipc_port_list_add(struct tipc_port_list *pl_ptr, u32 port) if (!item->next) { item->next = kmalloc(sizeof(*item), GFP_ATOMIC); if (!item->next) { - warn("Incomplete multicast delivery, no memory\n"); + pr_warn("Incomplete multicast delivery, no memory\n"); return; } item->next->next = NULL; @@ -912,7 +887,6 @@ void tipc_port_list_add(struct tipc_port_list *pl_ptr, u32 port) * tipc_port_list_free - free dynamically created entries in port_list chain * */ - void tipc_port_list_free(struct tipc_port_list *pl_ptr) { struct tipc_port_list *item; @@ -923,4 +897,3 @@ void tipc_port_list_free(struct tipc_port_list *pl_ptr) kfree(item); } } - |