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Date:   Thu, 27 Aug 2020 10:17:04 +0200
From:   Julian Wiedmann <jwi@...ux.ibm.com>
To:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev <netdev@...r.kernel.org>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Ursula Braun <ubraun@...ux.ibm.com>,
        Karsten Graul <kgraul@...ux.ibm.com>,
        Julian Wiedmann <jwi@...ux.ibm.com>
Subject: [PATCH net-next 7/8] s390/qeth: unify structs for bridge port state

The data returned from IPA_SBP_QUERY_BRIDGE_PORTS and
IPA_SBP_BRIDGE_PORT_STATE_CHANGE has the same format. Use a single
struct definition for it.

Signed-off-by: Julian Wiedmann <jwi@...ux.ibm.com>
Reviewed-by: Alexandra Winter <wintera@...ux.ibm.com>
---
 drivers/s390/net/qeth_core_mpc.h | 14 +++-----------
 drivers/s390/net/qeth_l2_main.c  |  6 +++---
 2 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h
index b459def0fb26..6541bab96822 100644
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -719,15 +719,8 @@ struct qeth_sbp_port_entry {
 		struct net_if_token token;
 } __packed;
 
-struct qeth_sbp_query_ports {
-	__u8 primary_bp_supported;
-	__u8 secondary_bp_supported;
-	__u8 num_entries;
-	__u8 entry_length;
-	struct qeth_sbp_port_entry entry[];
-} __packed;
-
-struct qeth_sbp_state_change {
+/* For IPA_SBP_QUERY_BRIDGE_PORTS, IPA_SBP_BRIDGE_PORT_STATE_CHANGE */
+struct qeth_sbp_port_data {
 	__u8 primary_bp_supported;
 	__u8 secondary_bp_supported;
 	__u8 num_entries;
@@ -741,8 +734,7 @@ struct qeth_ipacmd_setbridgeport {
 	union {
 		struct qeth_sbp_query_cmds_supp query_cmds_supp;
 		struct qeth_sbp_set_primary set_primary;
-		struct qeth_sbp_query_ports query_ports;
-		struct qeth_sbp_state_change state_change;
+		struct qeth_sbp_port_data port_data;
 	} data;
 } __packed;
 
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index d96636369b4c..1e3d64ab5e46 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1125,8 +1125,7 @@ static void qeth_bridge_state_change_worker(struct work_struct *work)
 static void qeth_bridge_state_change(struct qeth_card *card,
 					struct qeth_ipa_cmd *cmd)
 {
-	struct qeth_sbp_state_change *qports =
-		 &cmd->data.sbp.data.state_change;
+	struct qeth_sbp_port_data *qports = &cmd->data.sbp.data.port_data;
 	struct qeth_bridge_state_data *data;
 
 	QETH_CARD_TEXT(card, 2, "brstchng");
@@ -1409,8 +1408,8 @@ static int qeth_bridgeport_query_ports_cb(struct qeth_card *card,
 	struct qeth_reply *reply, unsigned long data)
 {
 	struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
-	struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports;
 	struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
+	struct qeth_sbp_port_data *qports;
 	int rc;
 
 	QETH_CARD_TEXT(card, 2, "brqprtcb");
@@ -1418,6 +1417,7 @@ static int qeth_bridgeport_query_ports_cb(struct qeth_card *card,
 	if (rc)
 		return rc;
 
+	qports = &cmd->data.sbp.data.port_data;
 	if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
 		QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length);
 		return -EINVAL;
-- 
2.17.1

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