netdev - [RFCv6 PATCH net-next 09/19] net: use netdev_features

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]

Date:   Tue, 19 Apr 2022 10:21:56 +0800
From:   Jian Shen <shenjian15@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <andrew@...n.ch>,
        <ecree.xilinx@...il.com>, <hkallweit1@...il.com>,
        <alexandr.lobakin@...el.com>, <saeed@...nel.org>, <leon@...nel.org>
CC:     <netdev@...r.kernel.org>, <linuxarm@...neuler.org>,
        <lipeng321@...wei.com>
Subject: [RFCv6 PATCH net-next 09/19] net: use netdev_features_xor helpers

Replace the '^' operations of features by
netdev_features_xor helpers.

Signed-off-by: Jian Shen <shenjian15@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 2 +-
 drivers/net/ethernet/sfc/efx_common.c           | 2 +-
 drivers/net/ethernet/sfc/falcon/efx.c           | 2 +-
 include/linux/netdev_features_helper.h          | 2 +-
 net/core/dev.c                                  | 2 +-
 net/ethtool/ioctl.c                             | 4 ++--
 6 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index e43b3e8c4f84..948317f210a4 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2411,7 +2411,7 @@ static int hns3_nic_set_features(struct net_device *netdev,
 	bool enable;
 	int ret;
 
-	changed = netdev->features ^ features;
+	changed = netdev_active_features_xor(netdev, features);
 
 	if (changed & (NETIF_F_GRO_HW) && h->ae_algo->ops->set_gro_en) {
 		enable = !!(features & NETIF_F_GRO_HW);
diff --git a/drivers/net/ethernet/sfc/efx_common.c b/drivers/net/ethernet/sfc/efx_common.c
index f5536eb00dfc..5d3be6c4df54 100644
--- a/drivers/net/ethernet/sfc/efx_common.c
+++ b/drivers/net/ethernet/sfc/efx_common.c
@@ -226,7 +226,7 @@ int efx_set_features(struct net_device *net_dev, netdev_features_t data)
 	/* If Rx VLAN filter is changed, update filters via mac_reconfigure.
 	 * If rx-fcs is changed, mac_reconfigure updates that too.
 	 */
-	tmp = net_dev->features ^ data;
+	tmp = netdev_active_features_xor(net_dev, data);
 	if (tmp & NETIF_F_HW_VLAN_CTAG_FILTER ||
 	    tmp & NETIF_F_RXFCS) {
 		/* efx_set_rx_mode() will schedule MAC work to update filters
diff --git a/drivers/net/ethernet/sfc/falcon/efx.c b/drivers/net/ethernet/sfc/falcon/efx.c
index d246c5b805a1..b5ce520e8f2f 100644
--- a/drivers/net/ethernet/sfc/falcon/efx.c
+++ b/drivers/net/ethernet/sfc/falcon/efx.c
@@ -2201,7 +2201,7 @@ static int ef4_set_features(struct net_device *net_dev, netdev_features_t data)
 	}
 
 	/* If Rx VLAN filter is changed, update filters via mac_reconfigure */
-	tmp = net_dev->features ^ data;
+	tmp = netdev_active_features_xor(net_dev, data);
 	if (tmp & NETIF_F_HW_VLAN_CTAG_FILTER) {
 		/* ef4_set_rx_mode() will schedule MAC work to update filters
 		 * when a new features are finally set in net_dev.
diff --git a/include/linux/netdev_features_helper.h b/include/linux/netdev_features_helper.h
index 0c4363588582..7e2d66a5b803 100644
--- a/include/linux/netdev_features_helper.h
+++ b/include/linux/netdev_features_helper.h
@@ -587,7 +587,7 @@ static inline netdev_features_t netdev_intersect_features(netdev_features_t f1,
 {
 	netdev_features_t tmp;
 
-	tmp = f1 ^ f2;
+	tmp = netdev_features_xor(f1, f2);
 	if (tmp & NETIF_F_HW_CSUM) {
 		if (f1 & NETIF_F_HW_CSUM)
 			netdev_features_set(&f1, netdev_ip_csum_features);
diff --git a/net/core/dev.c b/net/core/dev.c
index 13bb2cd8e2af..076305d33a62 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -9651,7 +9651,7 @@ int __netdev_update_features(struct net_device *dev)
 	if (!err) {
 		netdev_features_t diff;
 
-		diff = features ^ dev->features;
+		diff = netdev_features_xor(features, dev->features);
 
 		if (diff & NETIF_F_RX_UDP_TUNNEL_PORT) {
 			/* udp_tunnel_{get,drop}_rx_info both need
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index d18f305ee691..4a685224fba9 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -164,7 +164,7 @@ static int ethtool_set_features(struct net_device *dev, void __user *useraddr)
 	netdev_wanted_features_set(dev, tmp);
 	__netdev_update_features(dev);
 
-	tmp = dev->wanted_features ^ dev->features;
+	tmp = netdev_wanted_features_xor(dev, dev->features);
 	if (tmp & valid)
 		ret |= ETHTOOL_F_WISH;
 
@@ -362,7 +362,7 @@ static int __ethtool_set_flags(struct net_device *dev, u32 data)
 	netdev_features_set_array(&ethtool_all_feature_set, &eth_all_features);
 
 	/* allow changing only bits set in hw_features */
-	changed = dev->features ^ features;
+	changed = netdev_active_features_xor(dev, features);
 	changed &= eth_all_features;
 	tmp = changed & ~dev->hw_features;
 	if (tmp)
-- 
2.33.0