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linux/net
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Joris Vaisvila 44204fd425 net: dsa: initial MT7628 tagging driver 
Add support for the MT7628 embedded switch's tag.

The MT7628 tag is merged with the VLAN TPID field when a VLAN is
appended by the switch hardware. It is not installed if the VLAN tag is
already there on ingress. Due to this hardware quirk the tag cannot be
trusted for port 0 if we don't know that the VLAN was added by the
hardware. As a workaround for this the switch is configured to always
append the port PVID tag even if the incoming packet is already tagged.
The tagging driver can then trust that the tag is always accurate and
the whole VLAN tag can be removed on ingress as it's only metadata for
the tagger.

On egress the MT7628 tag allows precise TX, but the correct VLAN tag
from tag_8021q is still appended or the switch will not forward the
packet.

Signed-off-by: Joris Vaisvila <joey@tinyisr.com>
Link: https://patch.msgid.link/20260813190241.789323-4-joey@tinyisr.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2026-08-18 15:50:13 +02:00
..
6lowpan net: Use helpers to get/set UDP len tree-wide 2026-07-22 13:47:02 +02:00
9p 9p: Add missing read barrier in virtio zero-copy path 2026-06-21 05:22:57 +00:00
802 appletalk: move the protocol out of tree 2026-06-16 14:37:06 -07:00
8021q vlan: defer real device state propagation to netdev_work 2026-06-25 10:18:40 -07:00
atm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-08-06 11:53:47 -07:00
batman-adv batman-adv: remove negative returns for batadv_send_skb_unicast 2026-08-05 10:00:16 +02:00
bluetooth Bluetooth: RFCOMM: take rfcomm_mutex for the deferred setup accept 2026-08-07 15:40:28 -04:00
bpf bpf: Fix partial copy of non-linear test_run output 2026-06-21 17:55:06 -07:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-08-13 11:00:14 -07:00
can can: isotp: check register_netdevice_notifier() error in module init 2026-07-29 11:26:41 +02:00
ceph libceph: bound pg_{temp,upmap,upmap_items} length to CEPH_PG_MAX_SIZE 2026-07-23 20:29:42 +02:00
core net: af_unix: useful handling of LSM denials on SCM_RIGHTS 2026-08-17 18:14:52 -07:00
dcb Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
devlink devlink: add generic device max_sfs parameter 2026-08-11 18:06:30 -07:00
dns_resolver keys, dns: Drop unused NUL terminator from upayload->data 2026-08-10 16:20:42 -07:00
dsa net: dsa: initial MT7628 tagging driver 2026-08-18 15:50:13 +02:00
ethernet bonding: prevent potential infinite loop in bond_header_parse() 2026-03-16 19:29:45 -07:00
ethtool ethtool: tsconfig: reject zero-valued tx_type and rx_filter bitsets 2026-08-13 17:44:54 -07:00
handshake handshake: Require admin permission for DONE command 2026-06-12 15:45:44 -07:00
hsr net: hsr: allow PRP RedBox (interlink) creation 2026-07-27 17:46:41 -07:00
ieee802154 ieee802154: convert dgram getsockopt to sockopt_t 2026-08-03 16:55:23 -07:00
ife net: ife: require ETH_HLEN to be pullable in ife_decode() 2026-06-13 17:34:39 -07:00
ipv4 net: ip_tunnel: remove unused non-strict __ip_tunnel_change_mtu 2026-08-18 13:27:13 +02:00
ipv6 gre: fix ERSPAN o_flags race/corruption in xmit and fill_info 2026-08-14 12:57:44 -07:00
iucv net/af_iucv: fix NULL deref in afiucv_hs_callback_syn() 2026-07-21 13:36:35 -07:00
kcm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-06-16 14:59:58 -07:00
key ipsec-2026-06-22 2026-06-23 16:22:24 -07:00
l2tp l2tp: send netlink notifications in the tunnel's net namespace 2026-08-13 17:33:31 -07:00
l3mdev
lapb treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
llc llc: fix SAP refcount leak when creating incoming sockets 2026-07-17 13:17:46 +02:00
mac80211 Quite a bunch more work, of note: 2026-08-06 12:39:11 -07:00
mac802154 mac802154: fix netdev use-after-free in beacon worker 2026-08-05 17:12:50 -07:00
mctp mctp: check register_netdevice_notifier() error in mctp_device_init() 2026-07-23 09:17:36 -07:00
mpls net: mpls: initialize rtm_tos in mpls_getroute() 2026-07-28 11:06:06 +02:00
mptcp mptcp: add per-event MIB counters for MPTCP_RST_EMPTCP resets 2026-08-17 17:25:49 -07:00
ncsi net/ncsi: fix heap OOB read in NCSI_CMD_SEND_CMD payload length 2026-08-05 17:24:57 -07:00
netfilter netfilter pull request 26-08-10 2026-08-14 12:23:12 -07:00
netlabel Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-06-11 14:33:35 -07:00
netlink netlink: drop unneeded semicolon 2026-08-05 17:32:34 -07:00
nfc nfc: nci: uart: Constify struct tty_ldisc_ops 2026-06-11 20:21:32 +02:00
nsh
openvswitch netfilter pull request 26-08-10 2026-08-14 12:23:12 -07:00
packet af_packet: Don't send zero-byte data in tpacket_snd(). 2026-08-11 17:32:53 -07:00
phonet phonet: pep: convert getsockopt to sockopt_t 2026-08-03 16:55:23 -07:00
psample net: psample: fix info leak in PSAMPLE_ATTR_DATA 2026-06-17 16:35:50 -07:00
psp psp: use unrcu_pointer() for the cmpxchg() on netdev psp_dev 2026-08-17 11:06:14 -07:00
qrtr net: qrtr: ns: Raise lookup limit to 128 2026-08-06 08:10:44 -07:00
rds net/rds: clear i_rx_lat_trace in rds_inc_path_init() 2026-08-13 12:53:14 +02:00
rfkill Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files) 2026-07-03 07:38:17 +02:00
rxrpc rxrpc: fix io_thread race in rxrpc_wake_up_io_thread() 2026-07-21 11:52:29 +02:00
sched net: add READ_ONCE()/WRITE_ONCE() annotations for dev->prio_tc_map 2026-08-17 10:27:48 -07:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-08-13 11:00:14 -07:00
shaper net: shaper: add a note that we expect cap dumps to be tiny 2026-06-11 12:55:23 +02:00
smc net: Const qualify network templated ctl_tables Arrays 2026-08-13 13:12:24 +02:00
strparser net: strparser: fix skb_head leak in strp_abort_strp() 2026-04-14 12:37:00 +02:00
sunrpc SUNRPC: pin upper rpc_clnt across the TLS connect_worker 2026-07-08 14:07:19 -04:00
switchdev bridge: No DEV_PATH_BR_VLAN_UNTAG_HW for dsa foreign 2026-03-19 13:14:00 +01:00
tipc tipc: read le->link under the node lock in tipc_node_link_down() 2026-08-11 15:50:22 +02:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-08-13 11:00:14 -07:00
unix net: af_unix: useful handling of LSM denials on SCM_RIGHTS 2026-08-17 18:14:52 -07:00
vmw_vsock net: Const qualify network templated ctl_tables Arrays 2026-08-13 13:12:24 +02:00
wireless Quite a bunch more work, of note: 2026-08-06 12:39:11 -07:00
x25 net/x25: fix use-after-free of the socket by its timers 2026-07-30 18:46:45 -07:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-08-06 11:53:47 -07:00
xfrm net: Const qualify ctl_tables that kmemdup unconditionally 2026-08-13 13:12:24 +02:00
compat.c net: af_unix: useful handling of LSM denials on SCM_RIGHTS 2026-08-17 18:14:52 -07:00
devres.c
Kconfig appletalk: move the protocol out of tree 2026-06-16 14:37:06 -07:00
Kconfig.debug
Makefile appletalk: move the protocol out of tree 2026-06-16 14:37:06 -07:00
socket.c Networking changes for 7.2. 2026-06-17 08:17:00 +01:00
sysctl_net.c net: enforce net sysctl registration 2026-08-13 13:12:21 +02:00