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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 20:12:00 -0700
commit66b5814126946624a66258c0c2fad3b7e78d7bad (patch)
treea4b27f42e69bde0fcb23b16c7947262c19a9e69c
parenta689f31e5332814090a07048285055971df1289f (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 de1c8b3152f..156205a8152 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -2044,7 +2044,7 @@ 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 0b3eab3a78c..22601c718b0 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3361,7 +3361,9 @@ 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;
@@ -3438,6 +3440,9 @@ 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);
@@ -3491,11 +3496,12 @@ 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;
@@ -3533,7 +3539,7 @@ 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 4483fadfa68..d1fb912740f 100644
--- a/include/target/iscsi/iscsi_transport.h
+++ b/include/target/iscsi/iscsi_transport.h
@@ -68,7 +68,8 @@ 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 *,