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authorSagi Grimberg <sagig@mellanox.com>2014-06-10 18:27:59 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-06-30 20:14:00 -0700
commitcc74a0efa82c7b8ae634e68f20c2b414eed99cee (patch)
tree0d1a7d68f05017d6edcbbe5fb64b6624d0eadbe4
parent0df3f92bba2f5c07e6dfdfe72e80bf5f00a34277 (diff)
Target/iscsi: Fix sendtargets response pdu for iser transport
commit 22c7aaa57e80853b4904a46c18f97db0036a3b97 upstream. In case the transport is iser we should not include the iscsi target info in the sendtargets text response pdu. This causes sendtargets response to include the target info twice. Modify iscsit_build_sendtargets_response to filter transport types that don't match. Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Reported-by: Slava Shwartsman <valyushash@gmail.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c2
-rw-r--r--drivers/target/iscsi/iscsi_target.c14
-rw-r--r--include/target/iscsi/iscsi_transport.h3
3 files changed, 13 insertions, 6 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 8232d9a00234..d4c7928a0f36 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -2320,7 +2320,7 @@ isert_put_text_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
int rc;
isert_create_send_desc(isert_conn, isert_cmd, &isert_cmd->tx_desc);
- rc = iscsit_build_text_rsp(cmd, conn, hdr);
+ rc = iscsit_build_text_rsp(cmd, conn, hdr, ISCSI_INFINIBAND);
if (rc < 0)
return rc;
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index dbc4ee4e089e..ca2bc348ef5b 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3390,7 +3390,9 @@ static bool iscsit_check_inaddr_any(struct iscsi_np *np)
#define SENDTARGETS_BUF_LIMIT 32768U
-static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd)
+static int
+iscsit_build_sendtargets_response(struct iscsi_cmd *cmd,
+ enum iscsit_transport_type network_transport)
{
char *payload = NULL;
struct iscsi_conn *conn = cmd->conn;
@@ -3467,6 +3469,9 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd)
struct iscsi_np *np = tpg_np->tpg_np;
bool inaddr_any = iscsit_check_inaddr_any(np);
+ if (np->np_network_transport != network_transport)
+ continue;
+
if (!target_name_printed) {
len = sprintf(buf, "TargetName=%s",
tiqn->tiqn);
@@ -3520,11 +3525,12 @@ eob:
int
iscsit_build_text_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn,
- struct iscsi_text_rsp *hdr)
+ struct iscsi_text_rsp *hdr,
+ enum iscsit_transport_type network_transport)
{
int text_length, padding;
- text_length = iscsit_build_sendtargets_response(cmd);
+ text_length = iscsit_build_sendtargets_response(cmd, network_transport);
if (text_length < 0)
return text_length;
@@ -3562,7 +3568,7 @@ static int iscsit_send_text_rsp(
u32 tx_size = 0;
int text_length, iov_count = 0, rc;
- rc = iscsit_build_text_rsp(cmd, conn, hdr);
+ rc = iscsit_build_text_rsp(cmd, conn, hdr, ISCSI_TCP);
if (rc < 0)
return rc;
diff --git a/include/target/iscsi/iscsi_transport.h b/include/target/iscsi/iscsi_transport.h
index 33b487b5da92..daef9daa500c 100644
--- a/include/target/iscsi/iscsi_transport.h
+++ b/include/target/iscsi/iscsi_transport.h
@@ -70,7 +70,8 @@ extern void iscsit_build_nopin_rsp(struct iscsi_cmd *, struct iscsi_conn *,
extern void iscsit_build_task_mgt_rsp(struct iscsi_cmd *, struct iscsi_conn *,
struct iscsi_tm_rsp *);
extern int iscsit_build_text_rsp(struct iscsi_cmd *, struct iscsi_conn *,
- struct iscsi_text_rsp *);
+ struct iscsi_text_rsp *,
+ enum iscsit_transport_type);
extern void iscsit_build_reject(struct iscsi_cmd *, struct iscsi_conn *,
struct iscsi_reject *);
extern int iscsit_build_logout_rsp(struct iscsi_cmd *, struct iscsi_conn *,