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c8a2983c4d
linux/net/ipv6
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Jakub Sitnicki c8a2983c4d udp: Don't discard reuseport selection when group has connections 
When BPF socket lookup prog selects a socket that belongs to a reuseport
group, and the reuseport group has connected sockets in it, the socket
selected by reuseport will be discarded, and socket returned by BPF socket
lookup will be used instead.

Modify this behavior so that the socket selected by reuseport running after
BPF socket lookup always gets used. Ignore the fact that the reuseport
group might have connections because it is only relevant when scoring
sockets during regular hashtable-based lookup.

Fixes: 72f7e9440e ("udp: Run SK_LOOKUP BPF program on socket lookup")
Fixes: 6d4201b138 ("udp6: Run SK_LOOKUP BPF program on socket lookup")
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
Link: https://lore.kernel.org/bpf/20200722161720.940831-2-jakub@cloudflare.com
2020-07-25 20:16:01 -07:00
..
ila net: Add MODULE_DESCRIPTION entries to network modules 2020-06-20 21:33:57 -07:00
netfilter netfilter: switch nf_setsockopt to sockptr_t 2020-07-24 15:41:54 -07:00
addrconf_core.c net: ipv6: new arg skip_notify to ip6_rt_del 2020-04-28 12:50:37 -07:00
addrconf.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -07:00
addrlabel.c netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
af_inet6.c net: remove compat_sock_common_{get,set}sockopt 2020-07-19 18:16:40 -07:00
ah6.c xfrm: add support for UDPv6 encapsulation of ESP 2020-04-28 11:28:36 +02:00
anycast.c net: ipv6: new arg skip_notify to ip6_rt_del 2020-04-28 12:50:37 -07:00
calipso.c netlabel: cope with NULL catmap 2020-05-12 18:12:40 -07:00
datagram.c icmp6: support rfc 4884 2020-07-24 17:12:41 -07:00
esp6_offload.c net: Add MODULE_DESCRIPTION entries to network modules 2020-06-20 21:33:57 -07:00
esp6.c xfrm: add IPv6 support for espintcp 2020-04-28 11:28:36 +02:00
exthdrs_core.c ipv6: remove printk 2019-07-27 14:23:48 -07:00
exthdrs_offload.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
exthdrs.c net: ipv6: kerneldoc fixes 2020-07-13 17:20:39 -07:00
fib6_notifier.c net: fib_notifier: propagate extack down to the notifier block callback 2019-10-04 11:10:56 -07:00
fib6_rules.c ipv6: fib6: avoid indirect calls from fib6_rule_lookup 2020-06-23 15:11:19 -07:00
fou6.c net: Add MODULE_DESCRIPTION entries to network modules 2020-06-20 21:33:57 -07:00
icmp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-07-11 00:46:00 -07:00
inet6_connection_sock.c net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2019-12-24 22:28:54 -08:00
inet6_hashtables.c inet6: Run SK_LOOKUP BPF program on socket lookup 2020-07-17 20:18:17 -07:00
ip6_checksum.c
ip6_fib.c ipv6: fib6: avoid indirect calls from fib6_rule_lookup 2020-06-23 15:11:19 -07:00
ip6_flowlabel.c net/ipv6: switch ipv6_flowlabel_opt to sockptr_t 2020-07-24 15:41:54 -07:00
ip6_gre.c ip6_gre: fix null-ptr-deref in ip6gre_init_net() 2020-07-13 17:32:17 -07:00
ip6_icmp.c ipv6: icmp6: avoid indirect call for icmpv6_send() 2020-06-19 13:41:59 -07:00
ip6_input.c bpf: Add socket assign support 2020-03-30 13:45:04 -07:00
ip6_offload.c udp: move gro declarations to net/udp.h 2020-06-23 20:10:15 -07:00
ip6_offload.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ip6_output.c net: ipv6: kerneldoc fixes 2020-07-13 17:20:39 -07:00
ip6_tunnel.c net: ipv6: kerneldoc fixes 2020-07-13 17:20:39 -07:00
ip6_udp_tunnel.c net: Make locking in sock_bindtoindex optional 2020-06-01 14:57:14 -07:00
ip6_vti.c net: vti: implement header_ops->parse_protocol for AF_PACKET 2020-06-30 12:29:39 -07:00
ip6mr.c net/ipv6: switch ip6_mroute_setsockopt to sockptr_t 2020-07-24 15:41:54 -07:00
ipcomp6.c xfrm: add support for UDPv6 encapsulation of ESP 2020-04-28 11:28:36 +02:00
ipv6_sockglue.c icmp6: support rfc 4884 2020-07-24 17:12:41 -07:00
Kconfig Replace HTTP links with HTTPS ones: IPv* 2020-07-06 13:23:03 -07:00
Makefile net: ipv6: add rpl sr tunnel 2020-03-29 22:30:57 -07:00
mcast_snoop.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 343 2019-06-05 17:37:07 +02:00
mcast.c mld: fix memory leak in ipv6_mc_destroy_dev() 2020-06-15 13:29:39 -07:00
mip6.c xfrm: remove type and offload_type map from xfrm_state_afinfo 2019-06-06 08:34:50 +02:00
ndisc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-05-01 17:02:27 -07:00
netfilter.c net: ensure correct skb->tstamp in various fragmenters 2019-10-18 10:02:37 -07:00
output_core.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
ping.c ipv6/ping: set skb->mark on icmpv6 sockets 2020-07-03 14:36:04 -07:00
proc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-07 11:00:14 -07:00
protocol.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
raw.c net: pass a sockptr_t into ->setsockopt 2020-07-24 15:41:54 -07:00
reassembly.c inet: frags: re-introduce skb coalescing for local delivery 2019-08-08 15:55:10 -07:00
route.c bpf: net: Use precomputed btf_id for bpf iterators 2020-07-21 13:26:26 -07:00
rpl_iptunnel.c net: ipv6: Use struct_size() helper and kcalloc() 2020-06-23 20:27:09 -07:00
rpl.c ipv6: rpl: fix full address compression 2020-04-18 15:04:27 -07:00
seg6_hmac.c crypto: lib/sha1 - remove unnecessary includes of linux/cryptohash.h 2020-05-08 15:32:17 +10:00
seg6_iptunnel.c seg6: fix seg6_validate_srh() to avoid slab-out-of-bounds 2020-06-04 15:39:32 -07:00
seg6_local.c seg6: fix seg6_validate_srh() to avoid slab-out-of-bounds 2020-06-04 15:39:32 -07:00
seg6.c seg6: fix seg6_validate_srh() to avoid slab-out-of-bounds 2020-06-04 15:39:32 -07:00
sit.c net: sit: implement header_ops->parse_protocol for AF_PACKET 2020-06-30 12:29:39 -07:00
syncookies.c mptcp: handle tcp fallback when using syn cookies 2020-01-29 17:45:20 +01:00
sysctl_net_ipv6.c sysctl: pass kernel pointers to ->proc_handler 2020-04-27 02:07:40 -04:00
tcp_ipv6.c net/tcp: switch ->md5_parse to sockptr_t 2020-07-24 15:41:54 -07:00
tcpv6_offload.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
tunnel6.c tunnel6: support for IPPROTO_MPLS 2020-05-22 15:49:30 -07:00
udp_impl.h net: pass a sockptr_t into ->setsockopt 2020-07-24 15:41:54 -07:00
udp_offload.c udp: Support UDP fraglist GRO/GSO. 2020-01-27 11:00:21 +01:00
udp.c udp: Don't discard reuseport selection when group has connections 2020-07-25 20:16:01 -07:00
udplite.c net/ipv6: remove compat_ipv6_{get,set}sockopt 2020-07-19 18:16:41 -07:00
xfrm6_input.c xfrm: state: remove extract_input indirection from xfrm_state_afinfo 2020-05-06 09:40:08 +02:00
xfrm6_output.c xfrm: remove output_finish indirection from xfrm_state_afinfo 2020-05-06 09:40:08 +02:00
xfrm6_policy.c net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2019-12-24 22:28:54 -08:00
xfrm6_protocol.c xfrm: add support for UDPv6 encapsulation of ESP 2020-04-28 11:28:36 +02:00
xfrm6_state.c xfrm: remove output_finish indirection from xfrm_state_afinfo 2020-05-06 09:40:08 +02:00
xfrm6_tunnel.c ipv6: xfrm6_tunnel.c: Use built-in RCU list checking 2020-02-27 10:17:41 +01:00