korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-28 22:54:05 +08:00
Code Issues Packages Projects Releases Wiki Activity
ac931d4cde
linux/net/ipv6
History
Christian Ehrig ac931d4cde ipip,ip_tunnel,sit: Add FOU support for externally controlled ipip devices 
Today ipip devices in collect-metadata mode don't allow for sending FOU
or GUE encapsulated packets. This patch lifts the restriction by adding
a struct ip_tunnel_encap to the tunnel metadata.

On the egress path, the members of this struct can be set by the
bpf_skb_set_fou_encap kfunc via a BPF tc-hook. Instead of dropping packets
wishing to use additional UDP encapsulation, ip_md_tunnel_xmit now
evaluates the contents of this struct and adds the corresponding FOU or
GUE header. Furthermore, it is making sure that additional header bytes
are taken into account for PMTU discovery.

On the ingress path, an ipip device in collect-metadata mode will fill this
struct and a BPF tc-hook can obtain the information via a call to the
bpf_skb_get_fou_encap kfunc.

The minor change to ip_tunnel_encap, which now takes a pointer to
struct ip_tunnel_encap instead of struct ip_tunnel, allows us to control
FOU encap type and parameters on a per packet-level.

Signed-off-by: Christian Ehrig <cehrig@cloudflare.com>
Link: https://lore.kernel.org/r/cfea47de655d0f870248abf725932f851b53960a.1680874078.git.cehrig@cloudflare.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-12 16:40:39 -07:00
..
ila genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf 2023-02-22 21:25:23 -08:00
addrconf_core.c net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
addrconf.c ip/ip6_gre: Fix non-point-to-point tunnel not generating IPv6 link local address 2023-02-01 19:52:22 -08:00
addrlabel.c ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network 2022-11-07 12:26:15 +00:00
af_inet6.c net: no longer support SOCK_REFCNT_DEBUG feature 2023-02-15 10:25:21 +00:00
ah6.c net: ipv6: Remove completion function scaffolding 2023-02-13 18:35:15 +08:00
anycast.c ipv6: fix memory leaks on IPV6_ADDRFORM path 2020-07-30 16:30:55 -07:00
calipso.c cipso,calipso: resolve a number of problems with the DOI refcounts 2021-03-04 15:26:57 -08:00
datagram.c ipv6: Fix datagram socket connection with DSCP. 2023-02-09 22:49:04 -08:00
esp6_offload.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2022-11-29 20:50:51 -08:00
esp6.c net: ipv6: Remove completion function scaffolding 2023-02-13 18:35:15 +08:00
exthdrs_core.c
exthdrs_offload.c
exthdrs.c net: ipv6: add skb drop reasons to TLV parse 2022-04-13 13:09:57 +01:00
fib6_notifier.c
fib6_rules.c ipv6: change fib6_rules_net_exit() to batch mode 2022-02-08 20:41:34 -08:00
fou6.c
icmp.c ipv6: icmp6: add drop reason support to icmpv6_echo_reply() 2023-02-20 08:54:23 +00:00
inet6_connection_sock.c lsm,selinux: pass flowi_common instead of flowi to the LSM hooks 2020-11-23 18:36:21 -05:00
inet6_hashtables.c tcp: Access &tcp_hashinfo via net. 2022-09-20 10:21:49 -07:00
ioam6_iptunnel.c ipv6: ioam: Insertion frequency in lwtunnel output 2022-02-04 20:24:45 -08:00
ioam6.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
ip6_checksum.c
ip6_fib.c ipv6: fib6_new_sernum() optimization 2022-11-16 12:42:00 +00:00
ip6_flowlabel.c treewide: use get_random_u32() when possible 2022-10-11 17:42:58 -06:00
ip6_gre.c ipv6: tunnels: use DEV_STATS_INC() 2022-11-16 12:48:44 +00:00
ip6_icmp.c net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending 2021-02-23 11:29:52 -08:00
ip6_input.c tcp/udp: Make early_demux back namespacified. 2022-07-15 18:50:35 -07:00
ip6_offload.c IPv6/GRO: generic helper to remove temporary HBH/jumbo header in driver 2022-12-12 15:41:44 -08:00
ip6_offload.h
ip6_output.c net-timestamp: extend SOF_TIMESTAMPING_OPT_ID to HW timestamps 2023-03-08 09:27:14 +00:00
ip6_tunnel.c ipv6: tunnels: use DEV_STATS_INC() 2022-11-16 12:48:44 +00:00
ip6_udp_tunnel.c
ip6_vti.c ipv6: tunnels: use DEV_STATS_INC() 2022-11-16 12:48:44 +00:00
ip6mr.c treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
ipcomp6.c xfrm: ipcomp: add extack to ipcomp{4,6}_init_state 2022-09-29 07:18:00 +02:00
ipv6_sockglue.c net: no longer support SOCK_REFCNT_DEBUG feature 2023-02-15 10:25:21 +00:00
Kconfig crypto: lib - make the sha1 library optional 2022-07-15 16:43:59 +08:00
Makefile net: ipv6: use ipv6-y directly instead of ipv6-objs 2021-09-28 13:13:40 +01:00
mcast_snoop.c net: bridge: mcast: fix broken length + header check for MRDv6 Adv. 2021-04-27 14:02:06 -07:00
mcast.c treewide: use get_random_u32_below() instead of deprecated function 2022-11-18 02:15:15 +01:00
mip6.c xfrm: mip6: add extack to mip6_destopt_init_state, mip6_rthdr_init_state 2022-09-29 07:18:01 +02:00
ndisc.c ipv6: icmp6: add SKB_DROP_REASON_IPV6_NDISC_NS_OTHERHOST 2023-02-20 08:54:23 +00:00
netfilter.c netfilter: Use l3mdev flow key when re-routing mangled packets 2022-05-16 13:03:29 +02:00
output_core.c treewide: use get_random_u32_{above,below}() instead of manual loop 2022-11-18 02:15:22 +01:00
ping.c inet6: Remove inet6_destroy_sock() in sk->sk_prot->destroy(). 2022-10-24 09:40:38 +01:00
proc.c icmp: Add counters for rate limits 2023-01-26 10:52:18 +01:00
protocol.c
raw.c raw: use net_hash_mix() in hash function 2023-02-03 19:56:23 -08:00
reassembly.c net: dropreason: add SKB_DROP_REASON_DUP_FRAG 2022-10-31 20:14:26 -07:00
route.c ipv6: Add lwtunnel encap size of all siblings in nexthop calculation 2023-02-23 10:54:13 +01:00
rpl_iptunnel.c net: ipv6: rpl_iptunnel: Replace 0-length arrays with flexible arrays 2023-01-06 19:28:01 -08:00
rpl.c net: ipv6: rpl*: Fix strange kerneldoc warnings due to bad header 2020-10-30 12:12:52 -07:00
seg6_hmac.c net: ipv6: unexport __init-annotated seg6_hmac_net_init() 2022-06-28 21:23:30 -07:00
seg6_iptunnel.c seg6: add support for SRv6 H.L2Encaps.Red behavior 2022-07-29 12:14:03 +01:00
seg6_local.c seg6: add PSP flavor support for SRv6 End behavior 2023-02-16 13:18:06 +01:00
seg6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-09-08 18:38:30 +02:00
sit.c ipip,ip_tunnel,sit: Add FOU support for externally controlled ipip devices 2023-04-12 16:40:39 -07:00
syncookies.c tcp: Fix data-races around sysctl_tcp_syncookies. 2022-07-18 12:21:54 +01:00
sysctl_net_ipv6.c net: sysctl: introduce sysctl SYSCTL_THREE 2022-05-03 10:15:06 +02:00
tcp_ipv6.c Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net 2023-02-17 11:06:39 +00:00
tcpv6_offload.c net: move gro definitions to include/net/gro.h 2021-11-16 13:16:54 +00:00
tunnel6.c tunnel6: add tunnel6_input_afinfo for ipip and ipv6 tunnels 2020-07-09 12:52:37 +02:00
udp_impl.h tcp/udp: Call inet6_destroy_sock() in IPv6 sk->sk_destruct(). 2022-10-12 17:50:37 -07:00
udp_offload.c udp: allow header check for dodgy GSO_UDP_L4 packets. 2022-12-12 09:29:56 +00:00
udp.c udp: Access &udp_table via net. 2022-11-16 09:43:35 +00:00
udplite.c tcp/udp: Call inet6_destroy_sock() in IPv6 sk->sk_destruct(). 2022-10-12 17:50:37 -07:00
xfrm6_input.c
xfrm6_output.c xfrm: fix tunnel model fragmentation behavior 2022-03-01 12:08:40 +01:00
xfrm6_policy.c xfrm: Fix ignored return value in xfrm6_init() 2022-11-22 07:16:34 +01:00
xfrm6_protocol.c
xfrm6_state.c
xfrm6_tunnel.c xfrm: tunnel: add extack to ipip_init_state, xfrm6_tunnel_init_state 2022-09-29 07:18:00 +02:00