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linux/include/net
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Vlad Buslov 2105f700b5 net/sched: flower: fix parsing of ethertype following VLAN header 
A tc flower filter matching TCA_FLOWER_KEY_VLAN_ETH_TYPE is expected to
match the L2 ethertype following the first VLAN header, as confirmed by
linked discussion with the maintainer. However, such rule also matches
packets that have additional second VLAN header, even though filter has
both eth_type and vlan_ethtype set to "ipv4". Looking at the code this
seems to be mostly an artifact of the way flower uses flow dissector.
First, even though looking at the uAPI eth_type and vlan_ethtype appear
like a distinct fields, in flower they are all mapped to the same
key->basic.n_proto. Second, flow dissector skips following VLAN header as
no keys for FLOW_DISSECTOR_KEY_CVLAN are set and eventually assigns the
value of n_proto to last parsed header. With these, such filters ignore any
headers present between first VLAN header and first "non magic"
header (ipv4 in this case) that doesn't result
FLOW_DISSECT_RET_PROTO_AGAIN.

Fix the issue by extending flow dissector VLAN key structure with new
'vlan_eth_type' field that matches first ethertype following previously
parsed VLAN header. Modify flower classifier to set the new
flow_dissector_key_vlan->vlan_eth_type with value obtained from
TCA_FLOWER_KEY_VLAN_ETH_TYPE/TCA_FLOWER_KEY_CVLAN_ETH_TYPE uAPIs.

Link: https://lore.kernel.org/all/Yjhgi48BpTGh6dig@nanopsycho/
Fixes: 9399ae9a6c ("net_sched: flower: Add vlan support")
Fixes: d64efd0926 ("net/sched: flower: Add supprt for matching on QinQ vlan headers")
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-04-08 12:07:37 +01:00
..
9p net/p9: load default transports 2022-01-10 10:00:09 +09:00
bluetooth Networking changes for 5.18. 2022-03-24 13:13:26 -07:00
caif net: remove the caif_hsi driver 2021-07-01 13:19:48 -07:00
iucv net/af_iucv: Use struct_group() to zero struct iucv_sock region 2021-11-19 11:52:25 +00:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-23 10:53:49 -07:00
netns Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ 2022-03-19 14:49:08 +00:00
nfc NFC: add NCI_UNREG flag to eliminate the race 2021-11-17 20:17:05 -08:00
phonet
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-01-05 14:36:10 -08:00
tc_act net/sched: fix incorrect vlan_push_eth dest field 2022-03-23 10:32:48 -07:00
6lowpan.h 6lowpan: Replace zero-length array with flexible-array member 2020-02-28 14:51:30 +01:00
act_api.h flow_offload: validate flags of filter and actions 2021-12-19 14:08:48 +00:00
addrconf.h net: Add new protocol attribute to IP addresses 2022-02-18 21:20:06 -08:00
af_ieee802154.h
af_rxrpc.h afs: Don't truncate iter during data fetch 2021-04-23 10:17:26 +01:00
af_unix.h af_unix: Replace the big lock with small locks. 2021-11-26 18:01:58 -08:00
af_vsock.h vsock: each transport cycles only on its own sockets 2022-03-11 23:14:19 -08:00
ah.h
amt.h amt: add mld report message handler 2021-11-01 13:36:09 +00:00
arp.h ipv4: Invalidate neighbour for broadcast address upon address addition 2022-02-21 11:44:30 +00:00
atmclip.h
ax25.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-02-03 17:36:16 -08:00
ax88796.h ax88796: export ax_NS8390_init() hook 2021-08-03 13:05:25 +01:00
bareudp.h bareudp: Move definition of struct bareudp_conf to bareudp.c 2021-12-13 12:34:09 +00:00
bond_3ad.h bonding: fix data-races around agg_select_timer 2022-02-15 14:35:18 +00:00
bond_alb.h bonding: make tx_rebalance_counter an atomic 2021-12-03 14:16:48 +00:00
bond_options.h bonding: add new option ns_ip6_target 2022-02-21 12:13:45 +00:00
bonding.h net: add per-cpu storage and net->core_stats 2022-03-11 23:17:24 -08:00
bpf_sk_storage.h bpf: struct sock is declared twice in bpf_sk_storage header 2021-03-26 17:43:55 +01:00
busy_poll.h tcp: fix another uninit-value (sk_rx_queue_mapping) 2021-12-03 14:15:49 +00:00
calipso.h
cfg80211-wext.h
cfg80211.h cfg80211: Support configuration of station EHT capabilities 2022-02-16 15:43:25 +01:00
cfg802154.h net: ieee802154: Provide a kdoc to the address structure 2022-02-01 21:03:48 +01:00
checksum.h powerpc/net: Implement powerpc specific csum_shift() to remove branch 2022-03-11 10:57:22 +00:00
cipso_ipv4.h cipso: Remove unused inline functions 2020-07-15 07:45:24 -07:00
cls_cgroup.h bpf: Allow to retrieve cgroup v1 classid from v2 hooks 2020-03-27 19:40:38 -07:00
codel_impl.h codel: remove unnecessary sock.h include 2021-12-22 15:03:47 -08:00
codel_qdisc.h codel: remove unnecessary pkt_sched.h include 2021-12-22 15:03:51 -08:00
codel.h codel: remove unnecessary pkt_sched.h include 2021-12-22 15:03:51 -08:00
compat.h net/ipv4/ipv6: Replace one-element arraya with flexible-array members 2021-08-05 11:46:42 +01:00
datalink.h llc/snap: constify dev_addr passing 2021-10-13 09:40:46 -07:00
dcbevent.h
dcbnl.h
devlink.h devlink: add explicitly locked flavor of the rate node APIs 2022-03-21 14:11:38 +00:00
dn_dev.h
dn_fib.h net: convert fib_treeref from int to refcount_t 2021-07-30 15:33:24 +02:00
dn_neigh.h
dn_nsp.h
dn_route.h
dn.h decnet: constify dev_addr passing 2021-10-13 09:40:46 -07:00
dsa.h net: dsa: pass extack to dsa_switch_ops :: port_mirror_add() 2022-03-17 17:42:47 -07:00
dsfield.h ipv6: Annotate bitwise IPv6 dsfield pointer cast 2019-12-16 16:09:44 -08:00
dst_cache.h wireguard: device: reset peer src endpoint when netns exits 2021-11-29 19:50:45 -08:00
dst_metadata.h net: fix a memleak when uncloning an skb dst and its metadata 2022-02-09 11:41:47 +00:00
dst_ops.h net/dst: use a smaller percpu_counter batch for dst entries accounting 2020-05-08 21:33:33 -07:00
dst.h net: dst: add net device refcount tracking to dst_entry 2021-12-06 16:05:10 -08:00
erspan.h erspan: Add type I version 0 support. 2020-05-05 13:23:29 -07:00
esp.h esp: Fix possible buffer overflow in ESP transformation 2022-03-07 13:14:03 +01:00
espintcp.h xfrm: espintcp: save and call old ->sk_destruct 2020-04-20 07:34:16 +02:00
ethoc.h
failover.h net: failover: add net device refcount tracker 2021-12-06 16:06:02 -08:00
fib_notifier.h ipv6: Remove old route notifications and convert listeners 2019-12-24 22:37:30 -08:00
fib_rules.h fib: expand fib_rule_policy 2021-12-16 07:18:35 -08:00
firewire.h
flow_dissector.h net/sched: flower: fix parsing of ethertype following VLAN header 2022-04-08 12:07:37 +01:00
flow_offload.h net/sched: add vlan push_eth and pop_eth action to the hardware IR 2022-03-16 19:59:36 -07:00
flow.h net: Add l3mdev index to flow struct and avoid oif reset for port devices 2022-03-15 20:20:02 -07:00
fou.h
fq_impl.h net/fq_impl: do not maintain a backlog-sorted list of flows 2021-01-21 13:33:45 +01:00
fq.h net/fq_impl: do not maintain a backlog-sorted list of flows 2021-01-21 13:33:45 +01:00
garp.h treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
gen_stats.h net: sched: Remove Qdisc::running sequence counter 2021-10-18 12:54:41 +01:00
genetlink.h mptcp: avoid lock_fast usage in accept path 2021-02-12 16:31:46 -08:00
geneve.h
gre.h ip_gre: add csum offload support for gre header 2021-01-29 20:39:14 -08:00
gro_cells.h
gro.h net: gro: Fix a 'directive in macro's argument list' sparse warning 2022-02-18 11:00:25 +00:00
gtp.h gtp: Add support for checking GTP device type 2022-03-11 08:28:27 -08:00
gue.h GUE: Fix a typo 2020-06-22 21:12:44 -07:00
hwbm.h
icmp.h ipv6: ICMPV6: add response to ICMPV6 RFC 8335 PROBE messages 2021-06-28 14:29:45 -07:00
ieee80211_radiotap.h ieee80211: radiotap: fix -Wcast-qual warnings 2022-02-04 16:25:21 +01:00
ieee802154_netdev.h
if_inet6.h net: Add new protocol attribute to IP addresses 2022-02-18 21:20:06 -08:00
ife.h
ila.h
inet6_connection_sock.h
inet6_hashtables.h net: Track socket refcounts in skb_steal_sock() 2020-03-30 13:45:04 -07:00
inet_common.h bpf: Allow rewriting to ports under ip_unprivileged_port_start 2021-01-27 18:18:15 -08:00
inet_connection_sock.h tcp: Use BPF timeout setting for SYN ACK RTO 2022-02-02 14:45:18 +00:00
inet_dscp.h ipv6: Define dscp_t and stop taking ECN bits into account in fib6-rules 2022-02-07 20:12:45 -08:00
inet_ecn.h net: add skb_get_dsfield() helper 2021-10-15 11:33:08 +01:00
inet_frag.h net: ip: Handle delivery_time in ip defrag 2022-03-03 14:38:48 +00:00
inet_hashtables.h tcp: seq_file: Replace listening_hash with lhash2 2021-07-23 16:44:57 -07:00
inet_sock.h ipv4/raw: support binding to nonlocal addresses 2021-11-17 20:21:52 -08:00
inet_timewait_sock.h tcp/dccp: get rid of inet_twsk_purge() 2022-01-25 11:25:21 +00:00
inetpeer.h
ioam6.h treewide: Replace zero-length arrays with flexible-array members 2022-02-17 07:00:39 -06:00
ip6_checksum.h net: move gro definitions to include/net/gro.h 2021-11-16 13:16:54 +00:00
ip6_fib.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-02-17 11:44:20 -08:00
ip6_route.h ipv6: ip6_skb_dst_mtu() cleanups 2021-11-19 20:09:55 -08:00
ip6_tunnel.h ipv6: add net device refcount tracker to struct ip6_tnl 2021-12-06 16:05:11 -08:00
ip_fib.h ipv4: Reject routes specifying ECN bits in rtm_tos 2022-02-07 20:12:46 -08:00
ip_tunnels.h sit: add net device refcount tracking to ip_tunnel 2021-12-06 16:05:11 -08:00
ip_vs.h ipvs: add sysctl_run_estimation to support disable estimation 2021-10-07 19:52:58 +02:00
ip.h ipv4: Make ip_idents_reserve static 2022-01-31 11:33:10 +00:00
ipcomp.h
ipconfig.h
ipv6_frag.h net: don't include ndisc.h from ipv6.h 2022-02-04 14:15:11 -08:00
ipv6_stubs.h net: ipv6: add fib6_nh_release_dsts stub 2021-11-22 15:44:49 +00:00
ipv6.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-02-17 11:44:20 -08:00
iw_handler.h
kcm.h
l3mdev.h l3mdev: add infrastructure for table to VRF mapping 2020-06-20 17:22:22 -07:00
lag.h
lapb.h net: lapb: Make "lapb_t1timer_running" able to detect an already running timer 2021-03-23 14:14:50 -07:00
lib80211.h
llc_c_ac.h
llc_c_ev.h
llc_c_st.h
llc_conn.h llc: add net device refcount tracker 2021-12-07 20:44:59 -08:00
llc_if.h llc/snap: constify dev_addr passing 2021-10-13 09:40:46 -07:00
llc_pdu.h net: llc: fix skb_over_panic 2021-07-27 13:05:56 +01:00
llc_s_ac.h
llc_s_ev.h
llc_s_st.h
llc_sap.h
llc.h llc: fix out-of-bound array index in llc_sk_dev_hash() 2021-11-07 19:25:29 +00:00
lwtunnel.h netfilter: add netfilter hooks to SRv6 data plane 2021-08-30 01:51:36 +02:00
mac80211.h mac80211: MBSSID beacon handling in AP mode 2022-03-15 11:36:26 +01:00
mac802154.h net: mac802154: Explain the use of ieee802154_wake/stop_queue() 2022-01-28 11:23:41 +01:00
macsec.h net: macsec: fix the length used to copy the key for offloading 2021-06-24 12:41:12 -07:00
mctp.h mctp: Use output netdev to allocate skb headroom 2022-04-01 12:04:15 +01:00
mctpdevice.h mctp: Pass flow data & flow release events to drivers 2021-10-29 13:23:51 +01:00
mip6.h net: mip6: Replace zero-length array with flexible-array member 2020-03-02 11:16:27 -08:00
mld.h mld: add new workqueues for process mld events 2021-03-26 15:14:56 -07:00
mpls_iptunnel.h net: mpls: Replace zero-length array with flexible-array member 2020-02-28 12:08:37 -08:00
mpls.h net: Make mpls_entry_encode() available for generic users 2020-05-29 21:20:20 -07:00
mptcp.h mptcp: mptcp_parse_option is no longer exported 2022-02-16 20:52:04 -08:00
mrp.h treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
ncsi.h
ndisc.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-03 11:55:12 -08:00
neighbour.h net, neigh: Do not trigger immediate probes on NUD_FAILED from neigh_managed_work 2022-02-02 20:30:18 -08:00
net_failover.h
net_namespace.h net: make net->dev_unreg_count atomic 2022-02-10 15:30:26 +00:00
net_ratelimit.h
net_trackers.h net: add networking namespace refcount tracker 2021-12-10 06:38:26 -08:00
netevent.h
netlabel.h
netlink.h net: netlink: add the case when nlh is NULL 2021-07-27 11:43:50 +01:00
netprio_cgroup.h
netrom.h
nexthop.h net: ipv4: Fix rtnexthop len when RTA_FLOW is present 2021-09-24 14:07:10 +01:00
nl802154.h net: ieee802154: handle iftypes as u32 2021-11-16 18:02:46 +01:00
nsh.h
p8022.h
page_pool.h page_pool: Add function to batch and return stats 2022-03-03 09:55:28 +00:00
pie.h pie: realign comment 2020-03-04 13:25:55 -08:00
ping.h
pkt_cls.h net/sched: Enable tc skb ext allocation on chain miss only when needed 2022-02-05 10:12:53 +00:00
pkt_sched.h net: sched: remove psched_tdiff_bounded() 2022-01-27 13:53:27 +00:00
pptp.h
protocol.h net: Remove the member netns_ok 2021-05-17 15:29:35 -07:00
psample.h psample: Add a fwd declaration for skbuff 2021-08-09 15:34:21 -07:00
psnap.h
raw.h
rawv6.h
red.h sch_red: fix off-by-one checks in red_check_params() 2021-03-25 17:40:43 -07:00
regulatory.h net/wireless: regulatory.h: drop duplicate word in comment 2020-07-31 09:24:23 +02:00
request_sock.h tcp: Use BPF timeout setting for SYN ACK RTO 2022-02-02 14:45:18 +00:00
rose.h rose: constify dev_addr passing 2021-10-13 09:40:45 -07:00
route.h ipv4: remove sparse error in ip_neigh_gw4() 2022-01-27 08:38:33 -08:00
rpl.h net: ipv6: Use struct_size() helper and kcalloc() 2020-06-23 20:27:09 -07:00
rsi_91x.h
rtnetlink.h net: add extack arg for link ops 2021-08-04 10:01:26 +01:00
rtnh.h
sch_generic.h net: sched: remove qdisc_qlen_cpu() 2022-01-27 13:53:27 +00:00
scm.h fs: Move __scm_install_fd() to __receive_fd() 2020-07-13 11:03:44 -07:00
secure_seq.h
seg6_hmac.h
seg6_local.h
seg6.h udp6: Use Segment Routing Header for dest address if present 2022-01-04 12:17:35 +00:00
selftests.h net: selftest: fix build issue if INET is disabled 2021-04-28 14:06:45 -07:00
slhc_vj.h
smc.h net/smc: introduce CHID callback for ISM devices 2020-09-28 15:19:03 -07:00
snmp.h
sock_reuseport.h tcp: Add reuseport_migrate_sock() to select a new listener. 2021-06-15 18:01:05 +02:00
sock.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-02-24 17:54:25 -08:00
Space.h wan: remove sbni/granch driver 2021-08-03 13:05:26 +01:00
stp.h
strparser.h bpf, sockmap: sk_skb data_end access incorrect when src_reg = dst_reg 2021-11-09 01:05:34 +01:00
switchdev.h net: bridge: mst: Notify switchdev drivers of MST state changes 2022-03-17 16:49:58 -07:00
tcp_states.h
tcp.h net: tcp: fix shim definition of tcp_inbound_md5_hash 2022-03-09 08:44:40 -08:00
timewait_sock.h
tipc.h
tls_toe.h
tls.h net/tls: Provide {__,}tls_driver_ctx() unconditionally 2022-03-09 20:01:14 -08:00
transp_v6.h tcp: move ipv4_specific to tcp include file 2020-06-23 20:10:15 -07:00
tso.h net: tso: cache transport header length 2020-06-18 20:46:23 -07:00
tun_proto.h
udp_tunnel.h udp: call udp_encap_enable for v6 sockets when enabling encap 2021-02-04 18:37:14 -08:00
udp.h net: move gro definitions to include/net/gro.h 2021-11-16 13:16:54 +00:00
udplite.h udplite: remove udplite_csum_outgoing() 2022-01-27 13:53:27 +00:00
vsock_addr.h
vxlan.h drivers: vxlan: vnifilter: per vni stats 2022-03-01 08:38:02 +00:00
wext.h
x25.h net/x25: add new state X25_STATE_5 2019-12-09 10:28:43 -08:00
x25device.h
xdp_priv.h xsk: Wipe out dead zero_copy_allocator declarations 2021-12-14 00:24:24 +01:00
xdp_sock_drv.h i40e: xsk: Move tmp desc array from driver to pool 2022-01-27 17:25:32 +01:00
xdp_sock.h net: Don't include filter.h from net/sock.h 2021-12-29 08:48:14 -08:00
xdp.h net: veth: Account total xdp_frame len running ndo_xdp_xmit 2022-03-17 20:33:52 +01:00
xfrm.h Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ 2022-03-19 14:49:08 +00:00
xsk_buff_pool.h i40e: xsk: Move tmp desc array from driver to pool 2022-01-27 17:25:32 +01:00