net/smc: terminate link group for ib_post_send problems

If ib_post_send() fails, terminate all connections of this
link group.

Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c
index fea6482..71b7d9f 100644 (file)
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -248,8 +248,10 @@ static int smc_tx_rdma_write(struct smc_connection *conn, int peer_rmbe_offset,
                peer_rmbe_offset;
        rdma_wr.rkey = lgr->rtokens[conn->rtoken_idx][SMC_SINGLE_LINK].rkey;
        rc = ib_post_send(link->roce_qp, &rdma_wr.wr, &failed_wr);
-       if (rc)
+       if (rc) {
                conn->local_tx_ctrl.conn_state_flags.peer_conn_abort = 1;
+               smc_lgr_terminate(lgr);
+       }
        return rc;
 }
 

diff --git a/net/smc/smc_wr.c b/net/smc/smc_wr.c
index 5ed9410..621c658 100644 (file)
--- a/net/smc/smc_wr.c
+++ b/net/smc/smc_wr.c
@@ -248,8 +248,14 @@ int smc_wr_tx_send(struct smc_link *link, struct smc_wr_tx_pend_priv *priv)
        pend = container_of(priv, struct smc_wr_tx_pend, priv);
        rc = ib_post_send(link->roce_qp, &link->wr_tx_ibs[pend->idx],
                          &failed_wr);
-       if (rc)
+       if (rc) {
+               struct smc_link_group *lgr =
+                       container_of(link, struct smc_link_group,
+                                    lnk[SMC_SINGLE_LINK]);
+
                smc_wr_tx_put_slot(link, priv);
+               smc_lgr_terminate(lgr);
+       }
        return rc;
 }