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net/smc: cancel send and receive for terminated socket

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The resources for a terminated socket are being cleaned up.
This patch makes sure
* no more data is received for an actively terminated socket
* no more data is sent for an actively or passively terminated socket

Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
This commit is contained in:
Ursula Braun
2019-10-21 16:13:08 +02:00
committed by Jakub Kicinski
parent fe28afe23e
commit b290098092
6 changed files with 32 additions and 17 deletions
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4
net/smc/smc_cdc.c
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@@ -63,7 +63,7 @@ int smc_cdc_get_free_slot(struct smc_connection *conn,
rc = smc_wr_tx_get_free_slot(link, smc_cdc_tx_handler, wr_buf,
wr_rdma_buf,
(struct smc_wr_tx_pend_priv **)pend);
if (!conn->alert_token_local)
if (conn->killed)
/* abnormal termination */
rc = -EPIPE;
return rc;
@@ -328,7 +328,7 @@ static void smcd_cdc_rx_tsklet(unsigned long data)
struct smcd_cdc_msg cdc;
struct smc_sock *smc;
if (!conn)
if (!conn || conn->killed)
return;
data_cdc = (struct smcd_cdc_msg *)conn->rmb_desc->cpu_addr;