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iscsi-target: add void (*iscsit_get_rx_pdu)()

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Add void (*iscsit_get_rx_pdu)() to
struct iscsit_transport, iscsi-target
uses this callback to receive and
process Rx iSCSI PDUs.

cxgbit.ko needs this callback to
reuse iscsi-target Rx thread.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Acked-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Varun Prakash 2016-04-20 00:00:10 +05:30 committed by Nicholas Bellinger
parent 7ec811a8e9
commit 187e84f7c2
3 changed files with 13 additions and 8 deletions
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10
drivers/infiniband/ulp/isert/ib_isert.c
View File

@ -3273,6 +3273,15 @@ static void isert_free_conn(struct iscsi_conn *conn)
isert_put_conn(isert_conn);
}
static void isert_get_rx_pdu(struct iscsi_conn *conn)
{
struct completion comp;
init_completion(&comp);
wait_for_completion_interruptible(&comp);
}
static struct iscsit_transport iser_target_transport = {
.name = "IB/iSER",
.transport_type = ISCSI_INFINIBAND,
@ -3291,6 +3300,7 @@ static struct iscsit_transport iser_target_transport = {
.iscsit_queue_data_in = isert_put_datain,
.iscsit_queue_status = isert_put_response,
.iscsit_aborted_task = isert_aborted_task,
.iscsit_get_rx_pdu = isert_get_rx_pdu,
.iscsit_get_sup_prot_ops = isert_get_sup_prot_ops,
};

10
drivers/target/iscsi/iscsi_target.c
View File

@ -3951,14 +3951,8 @@ int iscsi_target_rx_thread(void *arg)
if (rc < 0 || iscsi_target_check_conn_state(conn))
return 0;
if (conn->conn_transport->transport_type == ISCSI_INFINIBAND) {
struct completion comp;
init_completion(&comp);
rc = wait_for_completion_interruptible(&comp);
if (rc < 0)
goto transport_err;
if (conn->conn_transport->iscsit_get_rx_pdu) {
conn->conn_transport->iscsit_get_rx_pdu(conn);
goto transport_err;
}

1
include/target/iscsi/iscsi_transport.h
View File

@ -25,6 +25,7 @@ struct iscsit_transport {
int (*iscsit_xmit_pdu)(struct iscsi_conn *, struct iscsi_cmd *,
struct iscsi_datain_req *, const void *, u32);
void (*iscsit_release_cmd)(struct iscsi_conn *, struct iscsi_cmd *);
void (*iscsit_get_rx_pdu)(struct iscsi_conn *);
enum target_prot_op (*iscsit_get_sup_prot_ops)(struct iscsi_conn *);
};