From b4772b3a87b772401e2af1c894fef323fb5c6e7c Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Thu, 25 Jan 2018 11:15:33 +0100 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- net/smc/smc_tx.c | 4 +++- net/smc/smc_wr.c | 8 +++++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c index fea6482233a6..71b7d9f079f0 100644 --- 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 5ed94109d1d6..621c65850a18 100644 --- 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; } -- 2.11.0