netdev - [PATCH net-next 2/5] s390/qeth: split up L2 netdev

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20211207090452.1155688-3-wintera@linux.ibm.com>
Date:   Tue,  7 Dec 2021 10:04:49 +0100
From:   Alexandra Winter <wintera@...ux.ibm.com>
To:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, linux-s390@...r.kernel.org,
        Heiko Carstens <hca@...ux.ibm.com>,
        Julian Wiedmann <jwi@...ux.ibm.com>,
        Wenjia Zhang <wenjia@...ux.ibm.com>,
        Alexandra Winter <wintera@...ux.ibm.com>
Subject: [PATCH net-next 2/5] s390/qeth: split up L2 netdev_ops

From: Julian Wiedmann <jwi@...ux.ibm.com>

Splitting up the netdev_ops allows for fine-tuning some of the ndo's
in subsequent patches.

Signed-off-by: Julian Wiedmann <jwi@...ux.ibm.com>
Reviewed-by: Wenjia Zhang <wenjia@...ux.ibm.com>
Signed-off-by: Alexandra Winter <wintera@...ux.ibm.com>
---
 drivers/s390/net/qeth_l2_main.c | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 0347fc184786..48355fbc0712 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -726,7 +726,8 @@ struct qeth_l2_br2dev_event_work {
 	unsigned char addr[ETH_ALEN];
 };
 
-static const struct net_device_ops qeth_l2_netdev_ops;
+static const struct net_device_ops qeth_l2_iqd_netdev_ops;
+static const struct net_device_ops qeth_l2_osa_netdev_ops;
 
 static bool qeth_l2_must_learn(struct net_device *netdev,
 			       struct net_device *dstdev)
@@ -738,7 +739,8 @@ static bool qeth_l2_must_learn(struct net_device *netdev,
 		(priv->brport_features & BR_LEARNING_SYNC) &&
 		!(br_port_flag_is_set(netdev, BR_ISOLATED) &&
 		  br_port_flag_is_set(dstdev, BR_ISOLATED)) &&
-		netdev->netdev_ops == &qeth_l2_netdev_ops);
+		(netdev->netdev_ops == &qeth_l2_iqd_netdev_ops ||
+		 netdev->netdev_ops == &qeth_l2_osa_netdev_ops));
 }
 
 /**
@@ -1051,7 +1053,28 @@ static int qeth_l2_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
 	return rc;
 }
 
-static const struct net_device_ops qeth_l2_netdev_ops = {
+static const struct net_device_ops qeth_l2_iqd_netdev_ops = {
+	.ndo_open		= qeth_open,
+	.ndo_stop		= qeth_stop,
+	.ndo_get_stats64	= qeth_get_stats64,
+	.ndo_start_xmit		= qeth_l2_hard_start_xmit,
+	.ndo_features_check	= qeth_features_check,
+	.ndo_select_queue	= qeth_l2_select_queue,
+	.ndo_validate_addr	= qeth_l2_validate_addr,
+	.ndo_set_rx_mode	= qeth_l2_set_rx_mode,
+	.ndo_eth_ioctl		= qeth_do_ioctl,
+	.ndo_siocdevprivate	= qeth_siocdevprivate,
+	.ndo_set_mac_address	= qeth_l2_set_mac_address,
+	.ndo_vlan_rx_add_vid	= qeth_l2_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid	= qeth_l2_vlan_rx_kill_vid,
+	.ndo_tx_timeout		= qeth_tx_timeout,
+	.ndo_fix_features	= qeth_fix_features,
+	.ndo_set_features	= qeth_set_features,
+	.ndo_bridge_getlink	= qeth_l2_bridge_getlink,
+	.ndo_bridge_setlink	= qeth_l2_bridge_setlink,
+};
+
+static const struct net_device_ops qeth_l2_osa_netdev_ops = {
 	.ndo_open		= qeth_open,
 	.ndo_stop		= qeth_stop,
 	.ndo_get_stats64	= qeth_get_stats64,
@@ -1074,8 +1097,9 @@ static const struct net_device_ops qeth_l2_netdev_ops = {
 
 static int qeth_l2_setup_netdev(struct qeth_card *card)
 {
+	card->dev->netdev_ops = IS_IQD(card) ? &qeth_l2_iqd_netdev_ops :
+					       &qeth_l2_osa_netdev_ops;
 	card->dev->needed_headroom = sizeof(struct qeth_hdr);
-	card->dev->netdev_ops = &qeth_l2_netdev_ops;
 	card->dev->priv_flags |= IFF_UNICAST_FLT;
 
 	if (IS_OSM(card)) {
-- 
2.32.0