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@@ -41,6 +41,12 @@
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#include "discover.h"
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#include "config.h"
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+/*
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+ * Error message prefixes
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+ */
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+static const char *link_co_err = "Link changeover error, ";
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+static const char *link_rst_msg = "Resetting link ";
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+static const char *link_unk_evt = "Unknown link event ";
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/*
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* Out-of-range value for link session numbers
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@@ -300,20 +306,20 @@ struct tipc_link *tipc_link_create(struct tipc_node *n_ptr,
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if (n_ptr->link_cnt >= 2) {
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tipc_addr_string_fill(addr_string, n_ptr->addr);
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- err("Attempt to establish third link to %s\n", addr_string);
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+ pr_err("Attempt to establish third link to %s\n", addr_string);
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return NULL;
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}
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if (n_ptr->links[b_ptr->identity]) {
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tipc_addr_string_fill(addr_string, n_ptr->addr);
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- err("Attempt to establish second link on <%s> to %s\n",
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- b_ptr->name, addr_string);
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+ pr_err("Attempt to establish second link on <%s> to %s\n",
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+ b_ptr->name, addr_string);
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return NULL;
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}
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l_ptr = kzalloc(sizeof(*l_ptr), GFP_ATOMIC);
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if (!l_ptr) {
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- warn("Link creation failed, no memory\n");
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+ pr_warn("Link creation failed, no memory\n");
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return NULL;
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}
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@@ -371,7 +377,7 @@ struct tipc_link *tipc_link_create(struct tipc_node *n_ptr,
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void tipc_link_delete(struct tipc_link *l_ptr)
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{
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if (!l_ptr) {
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- err("Attempt to delete non-existent link\n");
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+ pr_err("Attempt to delete non-existent link\n");
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return;
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}
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@@ -632,8 +638,8 @@ static void link_state_event(struct tipc_link *l_ptr, unsigned int event)
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link_set_timer(l_ptr, cont_intv / 4);
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break;
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case RESET_MSG:
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- info("Resetting link <%s>, requested by peer\n",
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- l_ptr->name);
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+ pr_info("%s<%s>, requested by peer\n", link_rst_msg,
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+ l_ptr->name);
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tipc_link_reset(l_ptr);
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l_ptr->state = RESET_RESET;
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l_ptr->fsm_msg_cnt = 0;
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@@ -642,7 +648,7 @@ static void link_state_event(struct tipc_link *l_ptr, unsigned int event)
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link_set_timer(l_ptr, cont_intv);
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break;
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default:
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- err("Unknown link event %u in WW state\n", event);
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+ pr_err("%s%u in WW state\n", link_unk_evt, event);
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}
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break;
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case WORKING_UNKNOWN:
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@@ -654,8 +660,8 @@ static void link_state_event(struct tipc_link *l_ptr, unsigned int event)
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link_set_timer(l_ptr, cont_intv);
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break;
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case RESET_MSG:
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- info("Resetting link <%s>, requested by peer "
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- "while probing\n", l_ptr->name);
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+ pr_info("%s<%s>, requested by peer while probing\n",
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+ link_rst_msg, l_ptr->name);
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tipc_link_reset(l_ptr);
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l_ptr->state = RESET_RESET;
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l_ptr->fsm_msg_cnt = 0;
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@@ -680,8 +686,8 @@ static void link_state_event(struct tipc_link *l_ptr, unsigned int event)
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l_ptr->fsm_msg_cnt++;
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link_set_timer(l_ptr, cont_intv / 4);
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} else { /* Link has failed */
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- warn("Resetting link <%s>, peer not responding\n",
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- l_ptr->name);
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+ pr_warn("%s<%s>, peer not responding\n",
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+ link_rst_msg, l_ptr->name);
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tipc_link_reset(l_ptr);
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l_ptr->state = RESET_UNKNOWN;
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l_ptr->fsm_msg_cnt = 0;
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@@ -692,7 +698,7 @@ static void link_state_event(struct tipc_link *l_ptr, unsigned int event)
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}
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break;
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default:
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- err("Unknown link event %u in WU state\n", event);
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+ pr_err("%s%u in WU state\n", link_unk_evt, event);
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}
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break;
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case RESET_UNKNOWN:
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@@ -726,7 +732,7 @@ static void link_state_event(struct tipc_link *l_ptr, unsigned int event)
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link_set_timer(l_ptr, cont_intv);
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break;
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default:
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- err("Unknown link event %u in RU state\n", event);
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+ pr_err("%s%u in RU state\n", link_unk_evt, event);
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}
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break;
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case RESET_RESET:
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@@ -751,11 +757,11 @@ static void link_state_event(struct tipc_link *l_ptr, unsigned int event)
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link_set_timer(l_ptr, cont_intv);
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break;
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default:
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- err("Unknown link event %u in RR state\n", event);
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+ pr_err("%s%u in RR state\n", link_unk_evt, event);
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}
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break;
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default:
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- err("Unknown link state %u/%u\n", l_ptr->state, event);
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+ pr_err("Unknown link state %u/%u\n", l_ptr->state, event);
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}
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}
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@@ -856,7 +862,8 @@ int tipc_link_send_buf(struct tipc_link *l_ptr, struct sk_buff *buf)
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}
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kfree_skb(buf);
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if (imp > CONN_MANAGER) {
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- warn("Resetting link <%s>, send queue full", l_ptr->name);
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+ pr_warn("%s<%s>, send queue full", link_rst_msg,
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+ l_ptr->name);
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tipc_link_reset(l_ptr);
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}
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return dsz;
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@@ -1409,8 +1416,8 @@ static void link_reset_all(unsigned long addr)
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tipc_node_lock(n_ptr);
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- warn("Resetting all links to %s\n",
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- tipc_addr_string_fill(addr_string, n_ptr->addr));
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+ pr_warn("Resetting all links to %s\n",
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+ tipc_addr_string_fill(addr_string, n_ptr->addr));
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for (i = 0; i < MAX_BEARERS; i++) {
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if (n_ptr->links[i]) {
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@@ -1428,7 +1435,7 @@ static void link_retransmit_failure(struct tipc_link *l_ptr,
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{
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struct tipc_msg *msg = buf_msg(buf);
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- warn("Retransmission failure on link <%s>\n", l_ptr->name);
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+ pr_warn("Retransmission failure on link <%s>\n", l_ptr->name);
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if (l_ptr->addr) {
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/* Handle failure on standard link */
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@@ -1440,21 +1447,23 @@ static void link_retransmit_failure(struct tipc_link *l_ptr,
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struct tipc_node *n_ptr;
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char addr_string[16];
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- info("Msg seq number: %u, ", msg_seqno(msg));
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- info("Outstanding acks: %lu\n",
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- (unsigned long) TIPC_SKB_CB(buf)->handle);
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+ pr_info("Msg seq number: %u, ", msg_seqno(msg));
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+ pr_cont("Outstanding acks: %lu\n",
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+ (unsigned long) TIPC_SKB_CB(buf)->handle);
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n_ptr = tipc_bclink_retransmit_to();
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tipc_node_lock(n_ptr);
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tipc_addr_string_fill(addr_string, n_ptr->addr);
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- info("Broadcast link info for %s\n", addr_string);
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- info("Supportable: %d, ", n_ptr->bclink.supportable);
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- info("Supported: %d, ", n_ptr->bclink.supported);
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- info("Acked: %u\n", n_ptr->bclink.acked);
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- info("Last in: %u, ", n_ptr->bclink.last_in);
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- info("Oos state: %u, ", n_ptr->bclink.oos_state);
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- info("Last sent: %u\n", n_ptr->bclink.last_sent);
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+ pr_info("Broadcast link info for %s\n", addr_string);
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+ pr_info("Supportable: %d, Supported: %d, Acked: %u\n",
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+ n_ptr->bclink.supportable,
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+ n_ptr->bclink.supported,
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+ n_ptr->bclink.acked);
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+ pr_info("Last in: %u, Oos state: %u, Last sent: %u\n",
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+ n_ptr->bclink.last_in,
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+ n_ptr->bclink.oos_state,
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+ n_ptr->bclink.last_sent);
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tipc_k_signal((Handler)link_reset_all, (unsigned long)n_ptr->addr);
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@@ -1479,8 +1488,8 @@ void tipc_link_retransmit(struct tipc_link *l_ptr, struct sk_buff *buf,
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l_ptr->retransm_queue_head = msg_seqno(msg);
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l_ptr->retransm_queue_size = retransmits;
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} else {
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- err("Unexpected retransmit on link %s (qsize=%d)\n",
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- l_ptr->name, l_ptr->retransm_queue_size);
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+ pr_err("Unexpected retransmit on link %s (qsize=%d)\n",
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+ l_ptr->name, l_ptr->retransm_queue_size);
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}
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return;
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} else {
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@@ -2074,8 +2083,9 @@ static void link_recv_proto_msg(struct tipc_link *l_ptr, struct sk_buff *buf)
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if (msg_linkprio(msg) &&
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(msg_linkprio(msg) != l_ptr->priority)) {
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- warn("Resetting link <%s>, priority change %u->%u\n",
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- l_ptr->name, l_ptr->priority, msg_linkprio(msg));
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+ pr_warn("%s<%s>, priority change %u->%u\n",
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+ link_rst_msg, l_ptr->name, l_ptr->priority,
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+ msg_linkprio(msg));
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l_ptr->priority = msg_linkprio(msg);
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tipc_link_reset(l_ptr); /* Enforce change to take effect */
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break;
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@@ -2139,15 +2149,13 @@ static void tipc_link_tunnel(struct tipc_link *l_ptr,
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tunnel = l_ptr->owner->active_links[selector & 1];
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if (!tipc_link_is_up(tunnel)) {
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- warn("Link changeover error, "
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- "tunnel link no longer available\n");
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+ pr_warn("%stunnel link no longer available\n", link_co_err);
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return;
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}
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msg_set_size(tunnel_hdr, length + INT_H_SIZE);
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buf = tipc_buf_acquire(length + INT_H_SIZE);
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if (!buf) {
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- warn("Link changeover error, "
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- "unable to send tunnel msg\n");
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+ pr_warn("%sunable to send tunnel msg\n", link_co_err);
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return;
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}
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skb_copy_to_linear_data(buf, tunnel_hdr, INT_H_SIZE);
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@@ -2173,8 +2181,7 @@ void tipc_link_changeover(struct tipc_link *l_ptr)
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return;
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if (!l_ptr->owner->permit_changeover) {
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- warn("Link changeover error, "
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- "peer did not permit changeover\n");
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+ pr_warn("%speer did not permit changeover\n", link_co_err);
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return;
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}
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@@ -2192,8 +2199,8 @@ void tipc_link_changeover(struct tipc_link *l_ptr)
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msg_set_size(&tunnel_hdr, INT_H_SIZE);
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tipc_link_send_buf(tunnel, buf);
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} else {
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- warn("Link changeover error, "
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- "unable to send changeover msg\n");
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+ pr_warn("%sunable to send changeover msg\n",
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+ link_co_err);
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}
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return;
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}
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@@ -2246,8 +2253,8 @@ void tipc_link_send_duplicate(struct tipc_link *l_ptr, struct tipc_link *tunnel)
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msg_set_size(&tunnel_hdr, length + INT_H_SIZE);
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outbuf = tipc_buf_acquire(length + INT_H_SIZE);
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if (outbuf == NULL) {
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- warn("Link changeover error, "
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- "unable to send duplicate msg\n");
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+ pr_warn("%sunable to send duplicate msg\n",
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+ link_co_err);
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return;
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}
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skb_copy_to_linear_data(outbuf, &tunnel_hdr, INT_H_SIZE);
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@@ -2298,8 +2305,8 @@ static int link_recv_changeover_msg(struct tipc_link **l_ptr,
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if (!dest_link)
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goto exit;
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if (dest_link == *l_ptr) {
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- err("Unexpected changeover message on link <%s>\n",
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- (*l_ptr)->name);
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+ pr_err("Unexpected changeover message on link <%s>\n",
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+ (*l_ptr)->name);
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goto exit;
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}
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*l_ptr = dest_link;
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@@ -2310,7 +2317,7 @@ static int link_recv_changeover_msg(struct tipc_link **l_ptr,
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goto exit;
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*buf = buf_extract(tunnel_buf, INT_H_SIZE);
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if (*buf == NULL) {
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- warn("Link changeover error, duplicate msg dropped\n");
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+ pr_warn("%sduplicate msg dropped\n", link_co_err);
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goto exit;
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}
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kfree_skb(tunnel_buf);
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@@ -2319,8 +2326,8 @@ static int link_recv_changeover_msg(struct tipc_link **l_ptr,
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/* First original message ?: */
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if (tipc_link_is_up(dest_link)) {
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- info("Resetting link <%s>, changeover initiated by peer\n",
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- dest_link->name);
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+ pr_info("%s<%s>, changeover initiated by peer\n", link_rst_msg,
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+ dest_link->name);
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tipc_link_reset(dest_link);
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dest_link->exp_msg_count = msg_count;
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if (!msg_count)
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@@ -2333,8 +2340,7 @@ static int link_recv_changeover_msg(struct tipc_link **l_ptr,
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/* Receive original message */
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if (dest_link->exp_msg_count == 0) {
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- warn("Link switchover error, "
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- "got too many tunnelled messages\n");
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+ pr_warn("%sgot too many tunnelled messages\n", link_co_err);
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goto exit;
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}
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dest_link->exp_msg_count--;
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@@ -2346,7 +2352,7 @@ static int link_recv_changeover_msg(struct tipc_link **l_ptr,
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kfree_skb(tunnel_buf);
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return 1;
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} else {
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- warn("Link changeover error, original msg dropped\n");
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+ pr_warn("%soriginal msg dropped\n", link_co_err);
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}
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}
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exit:
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@@ -2367,7 +2373,7 @@ void tipc_link_recv_bundle(struct sk_buff *buf)
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while (msgcount--) {
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obuf = buf_extract(buf, pos);
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if (obuf == NULL) {
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- warn("Link unable to unbundle message(s)\n");
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+ pr_warn("Link unable to unbundle message(s)\n");
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break;
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}
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pos += align(msg_size(buf_msg(obuf)));
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@@ -2538,7 +2544,7 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb,
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set_fragm_size(pbuf, fragm_sz);
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set_expected_frags(pbuf, exp_fragm_cnt - 1);
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} else {
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- dbg("Link unable to reassemble fragmented message\n");
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+ pr_debug("Link unable to reassemble fragmented message\n");
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kfree_skb(fbuf);
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return -1;
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}
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@@ -3060,5 +3066,5 @@ print_state:
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tipc_printf(buf, "\n");
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tipc_printbuf_validate(buf);
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- info("%s", print_area);
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+ pr_info("%s", print_area);
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}
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