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Diffstat (limited to 'net/tipc/link.c')
-rw-r--r--net/tipc/link.c119
1 files changed, 3 insertions, 116 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 671ffd3c0e53..cb10d20caef3 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -153,18 +153,6 @@ static void dbg_print_link(struct link *l_ptr, const char *str)
link_print(l_ptr, DBG_OUTPUT, str);
}
-static void dbg_print_buf_chain(struct sk_buff *root_buf)
-{
- if (DBG_OUTPUT != TIPC_NULL) {
- struct sk_buff *buf = root_buf;
-
- while (buf) {
- msg_dbg(buf_msg(buf), "In chain: ");
- buf = buf->next;
- }
- }
-}
-
/*
* Simple link routines
*/
@@ -433,9 +421,6 @@ struct link *tipc_link_create(struct bearer *b_ptr, const u32 peer,
list_add_tail(&l_ptr->link_list, &b_ptr->links);
tipc_k_signal((Handler)link_start, (unsigned long)l_ptr);
- dbg("tipc_link_create(): tolerance = %u,cont intv = %u, abort_limit = %u\n",
- l_ptr->tolerance, l_ptr->continuity_interval, l_ptr->abort_limit);
-
return l_ptr;
}
@@ -455,8 +440,6 @@ void tipc_link_delete(struct link *l_ptr)
return;
}
- dbg("tipc_link_delete()\n");
-
k_cancel_timer(&l_ptr->timer);
tipc_node_lock(l_ptr->owner);
@@ -473,7 +456,6 @@ void tipc_link_delete(struct link *l_ptr)
static void link_start(struct link *l_ptr)
{
- dbg("link_start %x\n", l_ptr);
link_state_event(l_ptr, STARTING_EVT);
}
@@ -926,9 +908,6 @@ static int link_bundle_buf(struct link *l_ptr,
skb_copy_to_linear_data_offset(bundler, to_pos, buf->data, size);
msg_set_size(bundler_msg, to_pos + size);
msg_set_msgcnt(bundler_msg, msg_msgcnt(bundler_msg) + 1);
- dbg("Packed msg # %u(%u octets) into pos %u in buf(#%u)\n",
- msg_msgcnt(bundler_msg), size, to_pos, msg_seqno(bundler_msg));
- msg_dbg(msg, "PACKD:");
buf_discard(buf);
l_ptr->stats.sent_bundled++;
return 1;
@@ -977,7 +956,6 @@ int tipc_link_send_buf(struct link *l_ptr, struct sk_buff *buf)
return link_schedule_port(l_ptr, msg_origport(msg),
size);
}
- msg_dbg(msg, "TIPC: Congestion, throwing away\n");
buf_discard(buf);
if (imp > CONN_MANAGER) {
warn("Resetting link <%s>, send queue full", l_ptr->name);
@@ -1066,17 +1044,12 @@ int tipc_link_send(struct sk_buff *buf, u32 dest, u32 selector)
tipc_node_lock(n_ptr);
l_ptr = n_ptr->active_links[selector & 1];
if (l_ptr) {
- dbg("tipc_link_send: found link %x for dest %x\n", l_ptr, dest);
res = tipc_link_send_buf(l_ptr, buf);
} else {
- dbg("Attempt to send msg to unreachable node:\n");
- msg_dbg(buf_msg(buf),">>>");
buf_discard(buf);
}
tipc_node_unlock(n_ptr);
} else {
- dbg("Attempt to send msg to unknown node:\n");
- msg_dbg(buf_msg(buf),">>>");
buf_discard(buf);
}
read_unlock_bh(&tipc_net_lock);
@@ -1103,10 +1076,8 @@ static int link_send_buf_fast(struct link *l_ptr, struct sk_buff *buf,
if (likely(tipc_bearer_send(l_ptr->b_ptr, buf,
&l_ptr->media_addr))) {
l_ptr->unacked_window = 0;
- msg_dbg(msg,"SENT_FAST:");
return res;
}
- dbg("failed sent fast...\n");
tipc_bearer_schedule(l_ptr->b_ptr, l_ptr);
l_ptr->stats.bearer_congs++;
l_ptr->next_out = buf;
@@ -1141,8 +1112,6 @@ int tipc_send_buf_fast(struct sk_buff *buf, u32 destnode)
if (likely(n_ptr)) {
tipc_node_lock(n_ptr);
l_ptr = n_ptr->active_links[selector];
- dbg("send_fast: buf %x selected %x, destnode = %x\n",
- buf, l_ptr, destnode);
if (likely(l_ptr)) {
res = link_send_buf_fast(l_ptr, buf, &dummy);
tipc_node_unlock(n_ptr);
@@ -1292,7 +1261,6 @@ again:
/* Prepare reusable fragment header: */
- msg_dbg(hdr, ">FRAGMENTING>");
tipc_msg_init(&fragm_hdr, MSG_FRAGMENTER, FIRST_FRAGMENT,
INT_H_SIZE, msg_destnode(hdr));
msg_set_link_selector(&fragm_hdr, sender->publ.ref);
@@ -1308,7 +1276,6 @@ again:
skb_copy_to_linear_data(buf, &fragm_hdr, INT_H_SIZE);
hsz = msg_hdr_sz(hdr);
skb_copy_to_linear_data_offset(buf, INT_H_SIZE, hdr, hsz);
- msg_dbg(buf_msg(buf), ">BUILD>");
/* Chop up message: */
@@ -1367,7 +1334,6 @@ error:
skb_copy_to_linear_data(buf, &fragm_hdr, INT_H_SIZE);
fragm_crs = INT_H_SIZE;
fragm_rest = fragm_sz;
- msg_dbg(buf_msg(buf)," >BUILD>");
}
}
while (rest > 0);
@@ -1417,7 +1383,6 @@ reject:
l_ptr->stats.sent_fragments++;
msg_set_long_msgno(msg, l_ptr->long_msg_seq_no);
link_add_to_outqueue(l_ptr, buf, msg);
- msg_dbg(msg, ">ADD>");
buf = next;
}
@@ -1459,14 +1424,12 @@ u32 tipc_link_push_packet(struct link *l_ptr)
msg_set_ack(buf_msg(buf), mod(l_ptr->next_in_no - 1));
msg_set_bcast_ack(buf_msg(buf), l_ptr->owner->bclink.last_in);
if (tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr)) {
- msg_dbg(buf_msg(buf), ">DEF-RETR>");
l_ptr->retransm_queue_head = mod(++r_q_head);
l_ptr->retransm_queue_size = --r_q_size;
l_ptr->stats.retransmitted++;
return 0;
} else {
l_ptr->stats.bearer_congs++;
- msg_dbg(buf_msg(buf), "|>DEF-RETR>");
return PUSH_FAILED;
}
}
@@ -1478,13 +1441,11 @@ u32 tipc_link_push_packet(struct link *l_ptr)
msg_set_ack(buf_msg(buf), mod(l_ptr->next_in_no - 1));
msg_set_bcast_ack(buf_msg(buf),l_ptr->owner->bclink.last_in);
if (tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr)) {
- msg_dbg(buf_msg(buf), ">DEF-PROT>");
l_ptr->unacked_window = 0;
buf_discard(buf);
l_ptr->proto_msg_queue = NULL;
return 0;
} else {
- msg_dbg(buf_msg(buf), "|>DEF-PROT>");
l_ptr->stats.bearer_congs++;
return PUSH_FAILED;
}
@@ -1504,11 +1465,9 @@ u32 tipc_link_push_packet(struct link *l_ptr)
if (tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr)) {
if (msg_user(msg) == MSG_BUNDLER)
msg_set_type(msg, CLOSED_MSG);
- msg_dbg(msg, ">PUSH-DATA>");
l_ptr->next_out = buf->next;
return 0;
} else {
- msg_dbg(msg, "|PUSH-DATA|");
l_ptr->stats.bearer_congs++;
return PUSH_FAILED;
}
@@ -1571,7 +1530,6 @@ static void link_retransmit_failure(struct link *l_ptr, struct sk_buff *buf)
struct tipc_msg *msg = buf_msg(buf);
warn("Retransmission failure on link <%s>\n", l_ptr->name);
- tipc_msg_dbg(TIPC_OUTPUT, msg, ">RETR-FAIL>");
if (l_ptr->addr) {
@@ -1621,11 +1579,8 @@ void tipc_link_retransmit(struct link *l_ptr, struct sk_buff *buf,
msg = buf_msg(buf);
- dbg("Retransmitting %u in link %x\n", retransmits, l_ptr);
-
if (tipc_bearer_congested(l_ptr->b_ptr, l_ptr)) {
if (l_ptr->retransm_queue_size == 0) {
- msg_dbg(msg, ">NO_RETR->BCONG>");
dbg_print_link(l_ptr, " ");
l_ptr->retransm_queue_head = msg_seqno(msg);
l_ptr->retransm_queue_size = retransmits;
@@ -1653,7 +1608,6 @@ void tipc_link_retransmit(struct link *l_ptr, struct sk_buff *buf,
msg_set_ack(msg, mod(l_ptr->next_in_no - 1));
msg_set_bcast_ack(msg, l_ptr->owner->bclink.last_in);
if (tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr)) {
- msg_dbg(buf_msg(buf), ">RETR>");
buf = buf->next;
retransmits--;
l_ptr->stats.retransmitted++;
@@ -1939,12 +1893,10 @@ deliver:
tipc_node_unlock(n_ptr);
continue;
}
- msg_dbg(msg,"NSEQ<REC<");
link_state_event(l_ptr, TRAFFIC_MSG_EVT);
if (link_working_working(l_ptr)) {
/* Re-insert in front of queue */
- msg_dbg(msg,"RECV-REINS:");
buf->next = head;
head = buf;
tipc_node_unlock(n_ptr);
@@ -2026,9 +1978,6 @@ static void link_handle_out_of_seq_msg(struct link *l_ptr,
return;
}
- dbg("rx OOS msg: seq_no %u, expecting %u (%u)\n",
- seq_no, mod(l_ptr->next_in_no), l_ptr->next_in_no);
-
/* Record OOS packet arrival (force mismatch on next timeout) */
l_ptr->checkpoint--;
@@ -2146,8 +2095,6 @@ void tipc_link_send_proto_msg(struct link *l_ptr, u32 msg_typ, int probe_msg,
/* Message can be sent */
- msg_dbg(msg, ">>");
-
buf = tipc_buf_acquire(msg_size);
if (!buf)
return;
@@ -2181,8 +2128,6 @@ static void link_recv_proto_msg(struct link *l_ptr, struct sk_buff *buf)
u32 msg_tol;
struct tipc_msg *msg = buf_msg(buf);
- dbg("AT(%u):", jiffies_to_msecs(jiffies));
- msg_dbg(msg, "<<");
if (link_blocked(l_ptr))
goto exit;
@@ -2201,11 +2146,8 @@ static void link_recv_proto_msg(struct link *l_ptr, struct sk_buff *buf)
case RESET_MSG:
if (!link_working_unknown(l_ptr) &&
(l_ptr->peer_session != INVALID_SESSION)) {
- if (msg_session(msg) == l_ptr->peer_session) {
- dbg("Duplicate RESET: %u<->%u\n",
- msg_session(msg), l_ptr->peer_session);
+ if (msg_session(msg) == l_ptr->peer_session)
break; /* duplicate: ignore */
- }
}
/* fall thru' */
case ACTIVATE_MSG:
@@ -2266,8 +2208,6 @@ static void link_recv_proto_msg(struct link *l_ptr, struct sk_buff *buf)
max_pkt_ack = msg_max_pkt(msg);
if (max_pkt_ack > l_ptr->max_pkt) {
- dbg("Link <%s> updated MTU %u -> %u\n",
- l_ptr->name, l_ptr->max_pkt, max_pkt_ack);
l_ptr->max_pkt = max_pkt_ack;
l_ptr->max_pkt_probes = 0;
}
@@ -2289,14 +2229,11 @@ static void link_recv_proto_msg(struct link *l_ptr, struct sk_buff *buf)
0, rec_gap, 0, 0, max_pkt_ack);
}
if (msg_seq_gap(msg)) {
- msg_dbg(msg, "With Gap:");
l_ptr->stats.recv_nacks++;
tipc_link_retransmit(l_ptr, l_ptr->first_out,
msg_seq_gap(msg));
}
break;
- default:
- msg_dbg(buf_msg(buf), "<DISCARDING UNKNOWN<");
}
exit:
buf_discard(buf);
@@ -2331,8 +2268,6 @@ static void tipc_link_tunnel(struct link *l_ptr,
}
skb_copy_to_linear_data(buf, tunnel_hdr, INT_H_SIZE);
skb_copy_to_linear_data_offset(buf, INT_H_SIZE, msg, length);
- dbg("%c->%c:", l_ptr->b_ptr->net_plane, tunnel->b_ptr->net_plane);
- msg_dbg(buf_msg(buf), ">SEND>");
tipc_link_send_buf(tunnel, buf);
}
@@ -2364,7 +2299,6 @@ void tipc_link_changeover(struct link *l_ptr)
ORIGINAL_MSG, INT_H_SIZE, l_ptr->addr);
msg_set_bearer_id(&tunnel_hdr, l_ptr->peer_bearer_id);
msg_set_msgcnt(&tunnel_hdr, msgcount);
- dbg("Link changeover requires %u tunnel messages\n", msgcount);
if (!l_ptr->first_out) {
struct sk_buff *buf;
@@ -2373,9 +2307,6 @@ void tipc_link_changeover(struct link *l_ptr)
if (buf) {
skb_copy_to_linear_data(buf, &tunnel_hdr, INT_H_SIZE);
msg_set_size(&tunnel_hdr, INT_H_SIZE);
- dbg("%c->%c:", l_ptr->b_ptr->net_plane,
- tunnel->b_ptr->net_plane);
- msg_dbg(&tunnel_hdr, "EMPTY>SEND>");
tipc_link_send_buf(tunnel, buf);
} else {
warn("Link changeover error, "
@@ -2439,9 +2370,6 @@ void tipc_link_send_duplicate(struct link *l_ptr, struct link *tunnel)
skb_copy_to_linear_data(outbuf, &tunnel_hdr, INT_H_SIZE);
skb_copy_to_linear_data_offset(outbuf, INT_H_SIZE, iter->data,
length);
- dbg("%c->%c:", l_ptr->b_ptr->net_plane,
- tunnel->b_ptr->net_plane);
- msg_dbg(buf_msg(outbuf), ">SEND>");
tipc_link_send_buf(tunnel, outbuf);
if (!tipc_link_is_up(l_ptr))
return;
@@ -2488,31 +2416,24 @@ static int link_recv_changeover_msg(struct link **l_ptr,
u32 msg_count = msg_msgcnt(tunnel_msg);
dest_link = (*l_ptr)->owner->links[msg_bearer_id(tunnel_msg)];
- if (!dest_link) {
- msg_dbg(tunnel_msg, "NOLINK/<REC<");
+ if (!dest_link)
goto exit;
- }
if (dest_link == *l_ptr) {
err("Unexpected changeover message on link <%s>\n",
(*l_ptr)->name);
goto exit;
}
- dbg("%c<-%c:", dest_link->b_ptr->net_plane,
- (*l_ptr)->b_ptr->net_plane);
*l_ptr = dest_link;
msg = msg_get_wrapped(tunnel_msg);
if (msg_typ == DUPLICATE_MSG) {
- if (less(msg_seqno(msg), mod(dest_link->next_in_no))) {
- msg_dbg(tunnel_msg, "DROP/<REC<");
+ if (less(msg_seqno(msg), mod(dest_link->next_in_no)))
goto exit;
- }
*buf = buf_extract(tunnel_buf,INT_H_SIZE);
if (*buf == NULL) {
warn("Link changeover error, duplicate msg dropped\n");
goto exit;
}
- msg_dbg(tunnel_msg, "TNL<REC<");
buf_discard(tunnel_buf);
return 1;
}
@@ -2520,18 +2441,14 @@ static int link_recv_changeover_msg(struct link **l_ptr,
/* First original message ?: */
if (tipc_link_is_up(dest_link)) {
- msg_dbg(tunnel_msg, "UP/FIRST/<REC<");
info("Resetting link <%s>, changeover initiated by peer\n",
dest_link->name);
tipc_link_reset(dest_link);
dest_link->exp_msg_count = msg_count;
- dbg("Expecting %u tunnelled messages\n", msg_count);
if (!msg_count)
goto exit;
} else if (dest_link->exp_msg_count == START_CHANGEOVER) {
- msg_dbg(tunnel_msg, "BLK/FIRST/<REC<");
dest_link->exp_msg_count = msg_count;
- dbg("Expecting %u tunnelled messages\n", msg_count);
if (!msg_count)
goto exit;
}
@@ -2541,18 +2458,15 @@ static int link_recv_changeover_msg(struct link **l_ptr,
if (dest_link->exp_msg_count == 0) {
warn("Link switchover error, "
"got too many tunnelled messages\n");
- msg_dbg(tunnel_msg, "OVERDUE/DROP/<REC<");
dbg_print_link(dest_link, "LINK:");
goto exit;
}
dest_link->exp_msg_count--;
if (less(msg_seqno(msg), dest_link->reset_checkpoint)) {
- msg_dbg(tunnel_msg, "DROP/DUPL/<REC<");
goto exit;
} else {
*buf = buf_extract(tunnel_buf, INT_H_SIZE);
if (*buf != NULL) {
- msg_dbg(tunnel_msg, "TNL<REC<");
buf_discard(tunnel_buf);
return 1;
} else {
@@ -2574,7 +2488,6 @@ void tipc_link_recv_bundle(struct sk_buff *buf)
u32 pos = INT_H_SIZE;
struct sk_buff *obuf;
- msg_dbg(buf_msg(buf), "<BNDL<: ");
while (msgcount--) {
obuf = buf_extract(buf, pos);
if (obuf == NULL) {
@@ -2582,7 +2495,6 @@ void tipc_link_recv_bundle(struct sk_buff *buf)
break;
}
pos += align(msg_size(buf_msg(obuf)));
- msg_dbg(buf_msg(obuf), " /");
tipc_net_route_msg(obuf);
}
buf_discard(buf);
@@ -2719,7 +2631,6 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb,
u32 long_msg_seq_no = msg_long_msgno(fragm);
*fb = NULL;
- msg_dbg(fragm,"FRG<REC<");
/* Is there an incomplete message waiting for this fragment? */
@@ -2738,7 +2649,6 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb,
if (msg_type(imsg) == TIPC_MCAST_MSG)
max = TIPC_MAX_USER_MSG_SIZE + MCAST_H_SIZE;
if (msg_size(imsg) > max) {
- msg_dbg(fragm,"<REC<Oversized: ");
buf_discard(fbuf);
return 0;
}
@@ -2782,10 +2692,6 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb,
set_expected_frags(pbuf,exp_frags);
return 0;
}
- dbg(" Discarding orphan fragment %x\n",fbuf);
- msg_dbg(fragm,"ORPHAN:");
- dbg("Pending long buffers:\n");
- dbg_print_buf_chain(*pending);
buf_discard(fbuf);
return 0;
}
@@ -2813,11 +2719,6 @@ static void link_check_defragm_bufs(struct link *l_ptr)
incr_timer_cnt(buf);
prev = buf;
} else {
- dbg(" Discarding incomplete long buffer\n");
- msg_dbg(buf_msg(buf), "LONG:");
- dbg_print_link(l_ptr, "curr:");
- dbg("Pending long buffers:\n");
- dbg_print_buf_chain(l_ptr->defragm_buf);
if (prev)
prev->next = buf->next;
else
@@ -3165,19 +3066,6 @@ u32 tipc_link_get_max_pkt(u32 dest, u32 selector)
return res;
}
-static void link_dump_send_queue(struct link *l_ptr)
-{
- if (l_ptr->next_out) {
- info("\nContents of unsent queue:\n");
- dbg_print_buf_chain(l_ptr->next_out);
- }
- info("\nContents of send queue:\n");
- if (l_ptr->first_out) {
- dbg_print_buf_chain(l_ptr->first_out);
- }
- info("Empty send queue\n");
-}
-
static void link_print(struct link *l_ptr, struct print_buf *buf,
const char *str)
{
@@ -3203,7 +3091,6 @@ static void link_print(struct link *l_ptr, struct print_buf *buf,
tipc_printf(buf, "first_out= %x ", l_ptr->first_out);
tipc_printf(buf, "next_out= %x ", l_ptr->next_out);
tipc_printf(buf, "last_out= %x ", l_ptr->last_out);
- link_dump_send_queue(l_ptr);
}
} else
tipc_printf(buf, "[]");