From b38d732477e4211351b2680e805d944f66bceec9 Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Mon, 9 Jan 2017 16:55:25 +0100 Subject: smc: socket closing and linkgroup cleanup smc_shutdown() and smc_release() handling delayed linkgroup cleanup for linkgroups without connections Signed-off-by: Ursula Braun Signed-off-by: David S. Miller --- net/smc/smc_cdc.c | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) (limited to 'net/smc/smc_cdc.c') diff --git a/net/smc/smc_cdc.c b/net/smc/smc_cdc.c index c0a69300b2f4..5a339493872e 100644 --- a/net/smc/smc_cdc.c +++ b/net/smc/smc_cdc.c @@ -16,6 +16,7 @@ #include "smc_cdc.h" #include "smc_tx.h" #include "smc_rx.h" +#include "smc_close.h" /********************************** send *************************************/ @@ -55,6 +56,9 @@ static void smc_cdc_tx_handler(struct smc_wr_tx_pend_priv *pnd_snd, cdcpend->conn); } smc_tx_sndbuf_nonfull(smc); + if (smc->sk.sk_state != SMC_ACTIVE) + /* wake up smc_close_wait_tx_pends() */ + smc->sk.sk_state_change(&smc->sk); bh_unlock_sock(&smc->sk); } @@ -149,6 +153,14 @@ void smc_cdc_tx_dismiss_slots(struct smc_connection *conn) (unsigned long)conn); } +bool smc_cdc_tx_has_pending(struct smc_connection *conn) +{ + struct smc_link *link = &conn->lgr->lnk[SMC_SINGLE_LINK]; + + return smc_wr_tx_has_pending(link, SMC_CDC_MSG_TYPE, + smc_cdc_tx_filter, (unsigned long)conn); +} + /********************************* receive ***********************************/ static inline bool smc_cdc_before(u16 seq1, u16 seq2) @@ -201,15 +213,20 @@ static void smc_cdc_msg_recv_action(struct smc_sock *smc, smc->sk.sk_data_ready(&smc->sk); } - if (conn->local_rx_ctrl.conn_state_flags.peer_conn_abort) + if (conn->local_rx_ctrl.conn_state_flags.peer_conn_abort) { smc->sk.sk_err = ECONNRESET; + conn->local_tx_ctrl.conn_state_flags.peer_conn_abort = 1; + } if (smc_cdc_rxed_any_close_or_senddone(conn)) - /* subsequent patch: terminate connection */ + smc_close_passive_received(smc); /* piggy backed tx info */ /* trigger sndbuf consumer: RDMA write into peer RMBE and CDC */ - if (diff_cons && smc_tx_prepared_sends(conn)) + if (diff_cons && smc_tx_prepared_sends(conn)) { smc_tx_sndbuf_nonempty(conn); + /* trigger socket release if connection closed */ + smc_close_wake_tx_prepared(smc); + } /* subsequent patch: trigger socket release if connection closed */ -- cgit v1.2.3