diff options
Diffstat (limited to 'net/smc/smc_tx.c')
-rw-r--r-- | net/smc/smc_tx.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c index c48dc2d5fd3a..838bce20c361 100644 --- a/net/smc/smc_tx.c +++ b/net/smc/smc_tx.c @@ -86,7 +86,7 @@ static int smc_tx_wait_memory(struct smc_sock *smc, int flags) rc = -EPIPE; break; } - if (conn->local_rx_ctrl.conn_state_flags.peer_conn_abort) { + if (smc_cdc_rxed_any_close(conn)) { rc = -ECONNRESET; break; } @@ -104,14 +104,12 @@ static int smc_tx_wait_memory(struct smc_sock *smc, int flags) if (atomic_read(&conn->sndbuf_space)) break; /* at least 1 byte of free space available */ set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); - sk->sk_write_pending++; sk_wait_event(sk, &timeo, sk->sk_err || (sk->sk_shutdown & SEND_SHUTDOWN) || - smc_cdc_rxed_any_close_or_senddone(conn) || + smc_cdc_rxed_any_close(conn) || atomic_read(&conn->sndbuf_space), &wait); - sk->sk_write_pending--; } remove_wait_queue(sk_sleep(sk), &wait); return rc; @@ -250,8 +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; } @@ -408,8 +408,9 @@ int smc_tx_sndbuf_nonempty(struct smc_connection *conn) goto out_unlock; } rc = 0; - schedule_delayed_work(&conn->tx_work, - SMC_TX_WORK_DELAY); + if (conn->alert_token_local) /* connection healthy */ + schedule_delayed_work(&conn->tx_work, + SMC_TX_WORK_DELAY); } goto out_unlock; } @@ -440,19 +441,24 @@ static void smc_tx_work(struct work_struct *work) int rc; lock_sock(&smc->sk); + if (smc->sk.sk_err || + !conn->alert_token_local || + conn->local_rx_ctrl.conn_state_flags.peer_conn_abort) + goto out; + rc = smc_tx_sndbuf_nonempty(conn); if (!rc && conn->local_rx_ctrl.prod_flags.write_blocked && !atomic_read(&conn->bytes_to_rcv)) conn->local_rx_ctrl.prod_flags.write_blocked = 0; + +out: release_sock(&smc->sk); } void smc_tx_consumer_update(struct smc_connection *conn) { union smc_host_cursor cfed, cons; - struct smc_cdc_tx_pend *pend; - struct smc_wr_buf *wr_buf; - int to_confirm, rc; + int to_confirm; smc_curs_write(&cons, smc_curs_read(&conn->local_tx_ctrl.cons, conn), @@ -466,10 +472,8 @@ void smc_tx_consumer_update(struct smc_connection *conn) ((to_confirm > conn->rmbe_update_limit) && ((to_confirm > (conn->rmbe_size / 2)) || conn->local_rx_ctrl.prod_flags.write_blocked))) { - rc = smc_cdc_get_free_slot(conn, &wr_buf, &pend); - if (!rc) - rc = smc_cdc_msg_send(conn, wr_buf, pend); - if (rc < 0) { + if ((smc_cdc_get_slot_and_msg_send(conn) < 0) && + conn->alert_token_local) { /* connection healthy */ schedule_delayed_work(&conn->tx_work, SMC_TX_WORK_DELAY); return; |