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Ovidiu Panait e38200e361 net: stmmac: Improve double VLAN handling 
The double VLAN bits (EDVLP, ESVL, DOVLTC) are handled inconsistently
between the two vlan_update_hash() implementations:

- dwxgmac2_update_vlan_hash() explicitly clears the double VLAN bits when
is_double is false, meaning that adding a 802.1Q VLAN will disable
double VLAN mode:

  $ ip link add link eth0 name eth0.200 type vlan id 200 protocol 802.1ad
  $ ip link add link eth0 name eth0.100 type vlan id 100
  # Double VLAN bits no longer set

- vlan_update_hash() sets these bits and only clears them when the last
VLAN has been removed, so double VLAN mode remains enabled even after all
802.1AD VLANs are removed.

Address both issues by tracking the number of active 802.1AD VLANs in
priv->num_double_vlans. Pass this count to stmmac_vlan_update() so both
implementations correctly set the double VLAN bits when any 802.1AD
VLAN is active, and clear them only when none remain.

Also update vlan_update_hash() to explicitly clear the double VLAN bits
when is_double is false, matching the dwxgmac2 behavior.

Signed-off-by: Ovidiu Panait <ovidiu.panait.rb@renesas.com>
Link: https://patch.msgid.link/20260303145828.7845-3-ovidiu.panait.rb@renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-04 18:48:49 -08:00
..
arcnet Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
bonding bpf/bonding: reject vlan+srcmac xmit_hash_policy change when XDP is loaded 2026-03-03 10:47:37 +01:00
caif treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
can can: gs_usb: gs_can_open(): always configure bitrates before starting device 2026-03-02 11:09:36 +01:00
dsa net: dsa: realtek: rtl8365mb: fix rtl8365mb_phy_ocp_write return value 2026-03-02 18:32:40 -08:00
ethernet net: stmmac: Improve double VLAN handling 2026-03-04 18:48:49 -08:00
fddi
fjes Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
hamradio Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
hyperv Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
ieee802154 Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
ipa Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
ipvlan Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
mctp Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
mdio net: mdio: rtl9300: use scoped for loops 2025-12-28 08:55:48 +01:00
netdevsim Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
ovpn Including fixes from IPsec, Bluetooth and netfilter 2026-02-26 08:00:13 -08:00
pcs Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
phy Including fixes from IPsec, Bluetooth and netfilter 2026-02-26 08:00:13 -08:00
plip
ppp Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
pse-pd Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
slip Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
team Including fixes from IPsec, Bluetooth and netfilter 2026-02-26 08:00:13 -08:00
thunderbolt net: thunderbolt: Allow reading link settings 2026-01-19 12:09:58 -08:00
usb net: usb: r8152: add TRENDnet TUC-ET2G 2026-02-27 19:27:31 -08:00
vmxnet3 net: vmxnet3: convert to use .get_rx_ring_count 2025-11-19 20:14:21 -08:00
vxlan Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
wan Including fixes from IPsec, Bluetooth and netfilter 2026-02-26 08:00:13 -08:00
wireguard Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
wireless wifi: mt76: Fix possible oob access in mt76_connac2_mac_write_txwi_80211() 2026-03-03 12:13:36 +01:00
wwan Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
xen-netback Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
amt.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
bareudp.c
dummy.c
eql.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
geneve.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
gtp.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
ifb.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
Kconfig printk: add CONFIG_PRINTK dependency for netconsole 2026-02-17 13:04:20 +01:00
LICENSE.SRC
loopback.c
macsec.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
macvlan.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
macvtap.c
Makefile net: remove HIPPI support and RoadRunner HIPPI driver 2026-01-20 19:12:06 -08:00
mdio.c
mhi_net.c
mii.c
net_failover.c net: remove unnecessary module_init/exit functions 2026-02-02 17:25:23 -08:00
netconsole.c netconsole: fix sysdata_release_enabled_show checking wrong flag 2026-03-03 17:23:50 -08:00
netkit.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
nlmon.c
ntb_netdev.c
pfcp.c
rionet.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
Space.c
sungem_phy.c net: sungem_phy: Fix a typo error in sungem_phy 2025-11-04 17:00:55 -08:00
tap.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
tun.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
tun_vnet.h virtio-net: avoid unnecessary checksum calculation on guest RX 2025-11-26 19:45:54 -08:00
veth.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
virtio_net.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
vrf.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
vsockmon.c
xen-netfront.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00