Review-by: Jie Wang wangjie125@huawei.com
On 2021/9/22 22:56, Jian Shen wrote:
Use netdev_feature_xxx helpers to replace the logical operation for netdev features.
Signed-off-by: Jian Shen shenjian15@huawei.com
drivers/net/macsec.c | 39 ++++++++++++++++++++++++--------------- 1 file changed, 24 insertions(+), 15 deletions(-)
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 601b833a40bd..5526d54c0a14 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -347,7 +347,8 @@ static bool macsec_check_offload(enum macsec_offload offload, return macsec->real_dev->phydev && macsec->real_dev->phydev->macsec_ops; else if (offload == MACSEC_OFFLOAD_MAC)
return macsec->real_dev->features & NETIF_F_HW_MACSEC &&
return netdev_feature_test_bit(NETIF_F_HW_MACSEC_BIT,
macsec->real_dev->features) && macsec->real_dev->macsec_ops;
return false;
@@ -3419,13 +3420,6 @@ static netdev_tx_t macsec_start_xmit(struct sk_buff *skb, #define SW_MACSEC_FEATURES \ (NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST)
-/* If h/w offloading is enabled, use real device features save for
- VLAN_FEATURES - they require additional ops
- HW_MACSEC - no reason to report it
- */
-#define REAL_DEV_FEATURES(dev) \
- ((dev)->features & ~(NETIF_F_VLAN_FEATURES | NETIF_F_HW_MACSEC))
static int macsec_dev_init(struct net_device *dev) { struct macsec_dev *macsec = macsec_priv(dev); @@ -3443,10 +3437,19 @@ static int macsec_dev_init(struct net_device *dev) }
if (macsec_is_offloaded(macsec)) {
dev->features = REAL_DEV_FEATURES(real_dev);
/* If h/w offloading is enabled, use real device features save for
* VLAN_FEATURES - they require additional ops
* HW_MACSEC - no reason to report it
*/
netdev_feature_copy(&dev->features, real_dev->features);
netdev_feature_clear_bits(NETIF_F_VLAN_FEATURES |
NETIF_F_HW_MACSEC,
} else {&dev->features);
dev->features = real_dev->features & SW_MACSEC_FEATURES;
dev->features |= NETIF_F_LLTX | NETIF_F_GSO_SOFTWARE;
netdev_feature_copy(&dev->features, real_dev->features);
netdev_feature_and_bits(SW_MACSEC_FEATURES, &dev->features);
netdev_feature_set_bits(NETIF_F_LLTX | NETIF_F_GSO_SOFTWARE,
&dev->features);
}
dev->needed_headroom = real_dev->needed_headroom +
@@ -3475,15 +3478,21 @@ static void macsec_fix_features(struct net_device *dev, { struct macsec_dev *macsec = macsec_priv(dev); struct net_device *real_dev = macsec->real_dev;
netdev_features_t tmp;
if (macsec_is_offloaded(macsec)) {
*features = REAL_DEV_FEATURES(real_dev);
netdev_feature_copy(features, real_dev->features);
netdev_feature_clear_bits(NETIF_F_VLAN_FEATURES |
return; }NETIF_F_HW_MACSEC, features);
- *features &= (real_dev->features & SW_MACSEC_FEATURES) |
NETIF_F_GSO_SOFTWARE | NETIF_F_SOFT_FEATURES;
- *features |= NETIF_F_LLTX;
- netdev_feature_copy(&tmp, real_dev->features);
- netdev_feature_and_bits(SW_MACSEC_FEATURES, &tmp);
- netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE | NETIF_F_SOFT_FEATURES,
&tmp);
- netdev_feature_and(features, *features, tmp);
- netdev_feature_set_bit(NETIF_F_LLTX_BIT, features);
}
static int macsec_dev_open(struct net_device *dev)