diff options
Diffstat (limited to 'drivers/net/macsec.c')
| -rw-r--r-- | drivers/net/macsec.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index b00a078d13ff..2dad91cba459 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -2633,6 +2633,10 @@ static int macsec_upd_offload(struct sk_buff *skb, struct genl_info *info) goto rollback; rtnl_unlock(); + /* Force features update, since they are different for SW MACSec and + * HW offloading cases. + */ + netdev_update_features(dev); return 0; rollback: @@ -3399,9 +3403,16 @@ static netdev_tx_t macsec_start_xmit(struct sk_buff *skb, return ret; } -#define MACSEC_FEATURES \ +#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); @@ -3418,8 +3429,12 @@ static int macsec_dev_init(struct net_device *dev) return err; } - dev->features = real_dev->features & MACSEC_FEATURES; - dev->features |= NETIF_F_LLTX | NETIF_F_GSO_SOFTWARE; + if (macsec_is_offloaded(macsec)) { + dev->features = REAL_DEV_FEATURES(real_dev); + } else { + dev->features = real_dev->features & SW_MACSEC_FEATURES; + dev->features |= NETIF_F_LLTX | NETIF_F_GSO_SOFTWARE; + } dev->needed_headroom = real_dev->needed_headroom + MACSEC_NEEDED_HEADROOM; @@ -3448,7 +3463,10 @@ static netdev_features_t macsec_fix_features(struct net_device *dev, struct macsec_dev *macsec = macsec_priv(dev); struct net_device *real_dev = macsec->real_dev; - features &= (real_dev->features & MACSEC_FEATURES) | + if (macsec_is_offloaded(macsec)) + return REAL_DEV_FEATURES(real_dev); + + features &= (real_dev->features & SW_MACSEC_FEATURES) | NETIF_F_GSO_SOFTWARE | NETIF_F_SOFT_FEATURES; features |= NETIF_F_LLTX; |