net/smc: Print net namespace in log

This adds net namespace ID to the kernel log, net_cookie is unique in
the whole system. It is useful in container environment.

Signed-off-by: Tony Lu <tonylu@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index e475384..4ecf1c7 100644 (file)
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -1552,9 +1552,9 @@ void smcr_lgr_set_type(struct smc_link_group *lgr, enum smc_lgr_type new_type)
                lgr_type = "ASYMMETRIC_LOCAL";
                break;
        }
-       pr_warn_ratelimited("smc: SMC-R lg %*phN state changed: "
+       pr_warn_ratelimited("smc: SMC-R lg %*phN net %llu state changed: "
                            "%s, pnetid %.16s\n", SMC_LGR_ID_SIZE, &lgr->id,
-                           lgr_type, lgr->pnet_id);
+                           lgr->net->net_cookie, lgr_type, lgr->pnet_id);
 }
 
 /* set new lgr type and tag a link as asymmetric */

diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c
index 3e9fd8a..c4d057b 100644 (file)
--- a/net/smc/smc_llc.c
+++ b/net/smc/smc_llc.c
@@ -242,9 +242,10 @@ static void smc_llc_flow_parallel(struct smc_link_group *lgr, u8 flow_type,
        }
        /* drop parallel or already-in-progress llc requests */
        if (flow_type != msg_type)
-               pr_warn_once("smc: SMC-R lg %*phN dropped parallel "
+               pr_warn_once("smc: SMC-R lg %*phN net %llu dropped parallel "
                             "LLC msg: msg %d flow %d role %d\n",
                             SMC_LGR_ID_SIZE, &lgr->id,
+                            lgr->net->net_cookie,
                             qentry->msg.raw.hdr.common.type,
                             flow_type, lgr->role);
        kfree(qentry);
@@ -359,9 +360,10 @@ struct smc_llc_qentry *smc_llc_wait(struct smc_link_group *lgr,
                                           smc_llc_flow_qentry_clr(flow));
                        return NULL;
                }
-               pr_warn_once("smc: SMC-R lg %*phN dropped unexpected LLC msg: "
+               pr_warn_once("smc: SMC-R lg %*phN net %llu dropped unexpected LLC msg: "
                             "msg %d exp %d flow %d role %d flags %x\n",
-                            SMC_LGR_ID_SIZE, &lgr->id, rcv_msg, exp_msg,
+                            SMC_LGR_ID_SIZE, &lgr->id, lgr->net->net_cookie,
+                            rcv_msg, exp_msg,
                             flow->type, lgr->role,
                             flow->qentry->msg.raw.hdr.flags);
                smc_llc_flow_qentry_del(flow);
@@ -1816,8 +1818,9 @@ finish:
 
 static void smc_llc_protocol_violation(struct smc_link_group *lgr, u8 type)
 {
-       pr_warn_ratelimited("smc: SMC-R lg %*phN LLC protocol violation: "
-                           "llc_type %d\n", SMC_LGR_ID_SIZE, &lgr->id, type);
+       pr_warn_ratelimited("smc: SMC-R lg %*phN net %llu LLC protocol violation: "
+                           "llc_type %d\n", SMC_LGR_ID_SIZE, &lgr->id,
+                           lgr->net->net_cookie, type);
        smc_llc_set_termination_rsn(lgr, SMC_LLC_DEL_PROT_VIOL);
        smc_lgr_terminate_sched(lgr);
 }
@@ -2146,9 +2149,10 @@ int smc_llc_link_init(struct smc_link *link)
 
 void smc_llc_link_active(struct smc_link *link)
 {
-       pr_warn_ratelimited("smc: SMC-R lg %*phN link added: id %*phN, "
+       pr_warn_ratelimited("smc: SMC-R lg %*phN net %llu link added: id %*phN, "
                            "peerid %*phN, ibdev %s, ibport %d\n",
                            SMC_LGR_ID_SIZE, &link->lgr->id,
+                           link->lgr->net->net_cookie,
                            SMC_LGR_ID_SIZE, &link->link_uid,
                            SMC_LGR_ID_SIZE, &link->peer_link_uid,
                            link->smcibdev->ibdev->name, link->ibport);
@@ -2164,9 +2168,10 @@ void smc_llc_link_active(struct smc_link *link)
 void smc_llc_link_clear(struct smc_link *link, bool log)
 {
        if (log)
-               pr_warn_ratelimited("smc: SMC-R lg %*phN link removed: id %*phN"
+               pr_warn_ratelimited("smc: SMC-R lg %*phN net %llu link removed: id %*phN"
                                    ", peerid %*phN, ibdev %s, ibport %d\n",
                                    SMC_LGR_ID_SIZE, &link->lgr->id,
+                                   link->lgr->net->net_cookie,
                                    SMC_LGR_ID_SIZE, &link->link_uid,
                                    SMC_LGR_ID_SIZE, &link->peer_link_uid,
                                    link->smcibdev->ibdev->name, link->ibport);