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mirror_ubuntu-kernels/include/net
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Roopa Prabhu f9c4bb0b24 vxlan: vni filtering support on collect metadata device 
This patch adds vnifiltering support to collect metadata device.

Motivation:
You can only use a single vxlan collect metadata device for a given
vxlan udp port in the system today. The vxlan collect metadata device
terminates all received vxlan packets. As shown in the below diagram,
there are use-cases where you need to support multiple such vxlan devices in
independent bridge domains. Each vxlan device must terminate the vni's
it is configured for.
Example usecase: In a service provider network a service provider
typically supports multiple bridge domains with overlapping vlans.
One bridge domain per customer. Vlans in each bridge domain are
mapped to globally unique vxlan ranges assigned to each customer.

vnifiltering support in collect metadata devices terminates only configured
vnis. This is similar to vlan filtering in bridge driver. The vni filtering
capability is provided by a new flag on collect metadata device.

In the below pic:
	- customer1 is mapped to br1 bridge domain
	- customer2 is mapped to br2 bridge domain
	- customer1 vlan 10-11 is mapped to vni 1001-1002
	- customer2 vlan 10-11 is mapped to vni 2001-2002
	- br1 and br2 are vlan filtering bridges
	- vxlan1 and vxlan2 are collect metadata devices with
	  vnifiltering enabled

┌──────────────────────────────────────────────────────────────────┐
│  switch                                                          │
│                                                                  │
│         ┌───────────┐                 ┌───────────┐              │
│         │           │                 │           │              │
│         │   br1     │                 │   br2     │              │
│         └┬─────────┬┘                 └──┬───────┬┘              │
│     vlans│         │               vlans │       │               │
│     10,11│         │                10,11│       │               │
│          │     vlanvnimap:               │    vlanvnimap:        │
│          │       10-1001,11-1002         │      10-2001,11-2002  │
│          │         │                     │       │               │
│   ┌──────┴┐     ┌──┴─────────┐       ┌───┴────┐  │               │
│   │ swp1  │     │vxlan1      │       │ swp2   │ ┌┴─────────────┐ │
│   │       │     │  vnifilter:│       │        │ │vxlan2        │ │
│   └───┬───┘     │   1001,1002│       └───┬────┘ │ vnifilter:   │ │
│       │         └────────────┘           │      │  2001,2002   │ │
│       │                                  │      └──────────────┘ │
│       │                                  │                       │
└───────┼──────────────────────────────────┼───────────────────────┘
        │                                  │
        │                                  │
  ┌─────┴───────┐                          │
  │  customer1  │                    ┌─────┴──────┐
  │ host/VM     │                    │customer2   │
  └─────────────┘                    │ host/VM    │
                                     └────────────┘

With this implementation, vxlan dst metadata device can
be associated with range of vnis.
struct vxlan_vni_node is introduced to represent
a configured vni. We start with vni and its
associated remote_ip in this structure. This
structure can be extended to bring in other
per vni attributes if there are usecases for it.
A vni inherits an attribute from the base vxlan device
if there is no per vni attributes defined.

struct vxlan_dev gets a new rhashtable for
vnis called vxlan_vni_group. vxlan_vnifilter.c
implements the necessary netlink api, notifications
and helper functions to process and manage lifecycle
of vxlan_vni_node.

This patch also adds new helper functions in vxlan_multicast.c
to handle per vni remote_ip multicast groups which are part
of vxlan_vni_group.

Fix build problems:
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-01 08:38:02 +00:00
..
9p net/p9: load default transports 2022-01-10 10:00:09 +09:00
bluetooth Bluetooth: hci_event: Ignore multiple conn complete events 2022-01-24 18:38:14 -08:00
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 2022-02-24 17:54:25 -08:00
netns Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-02-17 11:44:20 -08:00
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: flow_offload: add tc police action parameters 2022-02-28 11:11:35 +00:00
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 af_vsock: rest of SEQPACKET support 2021-06-11 13:32:46 -07:00
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 bonding: add new option ns_ip6_target 2022-02-21 12:13:45 +00:00
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: fix -Wcast-qual warnings 2022-02-04 16:25:10 +01:00
cfg802154.h net: ieee802154: Provide a kdoc to the address structure 2022-02-01 21:03:48 +01:00
checksum.h openvswitch: Fix setting ipv6 fields causing hw csum failure 2022-02-24 09:16:21 -08:00
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 new "event_eq_size" generic device param 2021-12-21 19:08:54 -08:00
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 .port_bridge_join driver methods 2022-02-27 11:06:14 +00:00
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: Export esp_output_fill_trailer function 2020-02-19 13:52:32 +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 cls_flower: Fix inability to match GRE/IPIP packets 2021-10-29 14:03:22 +01:00
flow_offload.h flow_offload: reject offload for all drivers with invalid police parameters 2022-02-28 11:12:20 +00:00
flow.h flow: fix object-size-mismatch warning in flowi{4,6}_to_flowi_common() 2021-09-02 11:44:19 +01:00
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
gue.h GUE: Fix a typo 2020-06-22 21:12:44 -07:00
hwbm.h net: hwbm: if CONFIG_NET_HWBM unset, make stub functions static 2019-10-25 16:24:32 -07:00
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 inet: frags: annotate races around fqdir->dead and fqdir->high_thresh 2022-01-13 13:06:05 +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 ipv6: ioam: Distinguish input and output for hop-limit 2021-10-04 12:53:35 +01:00
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: fix struct ieee80211_tx_info size 2022-02-04 16:26:53 +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: replace mctp_address_ok with more fine-grained helpers 2022-02-18 21:24:28 -08:00
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 ipv6: separate ndisc_ns_create() from ndisc_send_ns() 2022-02-21 12:13:45 +00:00
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 netprio: use css ID instead of cgroup ID 2019-11-12 08:18:03 -08:00
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: Refactor page_pool to enable fragmenting after allocation 2022-02-03 11:49:03 +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 net/tls: add skeleton of MIB statistics 2019-10-05 16:29:00 -07:00
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: switchdev: remove lag_mod_cb from switchdev_handle_fdb_event_to_device 2022-02-24 21:31:43 -08:00
tcp_states.h
tcp.h net/tcp: Merge TCP-MD5 inbound callbacks 2022-02-24 21:43:53 -08:00
timewait_sock.h
tipc.h
tls_toe.h net/tls: rename tls_hw_* functions tls_toe_* 2019-10-04 14:07:07 -07:00
tls.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-10-28 10:43:58 -07:00
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 vsock: remove include/linux/vm_sockets.h file 2019-11-14 18:12:17 -08:00
vxlan.h vxlan: vni filtering support on collect metadata device 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 bpf: add frags support to the bpf_xdp_adjust_tail() API 2022-01-21 14:14:02 -08:00
xfrm.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-01-09 17:00:17 -08:00
xsk_buff_pool.h i40e: xsk: Move tmp desc array from driver to pool 2022-01-27 17:25:32 +01:00