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fe40079995
linux/net/ipv6
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Ido Schimmel fe40079995 ipv6: fib: Provide offload indication using nexthop flags 
IPv6 routes currently lack nexthop flags as in IPv4. This has several
implications.

In the forwarding path, it requires us to check the carrier state of the
nexthop device and potentially ignore a linkdown route, instead of
checking for RTNH_F_LINKDOWN.

It also requires capable drivers to use the user facing IPv6-specific
route flags to provide offload indication, instead of using the nexthop
flags as in IPv4.

Add nexthop flags to IPv6 routes in the 40 bytes hole and use it to
provide offload indication instead of the RTF_OFFLOAD flag, which is
removed while it's still not part of any official kernel release.

In the near future we would like to use the field for the
RTNH_F_{LINKDOWN,DEAD} flags, but this change is more involved and might
not be ready in time for the current cycle.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-15 17:05:03 -07:00
..
ila Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-06-15 11:59:32 -04:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2017-06-30 06:27:09 -07:00
addrconf_core.c Ipvlan should return an error when an address is already in use. 2017-06-09 12:26:07 -04:00
addrconf.c rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
addrlabel.c rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
af_inet6.c ipv6: Avoid going through ->sk_net to access the netns 2017-07-31 18:01:33 -07:00
ah6.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-06-23 14:17:31 -04:00
anycast.c net, ipv6: convert ifacaddr6.aca_refcnt from atomic_t to refcount_t 2017-07-04 01:29:04 -07:00
calipso.c net, calipso: convert calipso_doi.refcount from atomic_t to refcount_t 2017-07-04 22:35:16 +01:00
datagram.c net: convert sock.sk_refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
esp6_offload.c esp6_offload: Fix IP6CB(skb)->nhoff for ESP GRO 2017-06-22 10:49:14 +02:00
esp6.c net: convert sock.sk_wmem_alloc from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
exthdrs_core.c
exthdrs_offload.c
exthdrs.c ipv6: sr: allow SRH insertion with arbitrary segments_left value 2017-08-07 14:16:21 -07:00
fib6_notifier.c ipv6: fib: Dump tables during registration to FIB chain 2017-08-03 15:36:00 -07:00
fib6_rules.c net: ipv6: avoid overhead when no custom FIB rules are installed 2017-08-08 21:40:08 -07:00
fou6.c fou: make local function static 2017-05-21 13:42:36 -04:00
icmp.c net: don't global ICMP rate limit packets originating from loopback 2017-06-14 15:33:58 -04:00
inet6_connection_sock.c
inet6_hashtables.c net: ipv6: add second dif to inet6 socket lookups 2017-08-07 11:39:22 -07:00
ip6_checksum.c
ip6_fib.c rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
ip6_flowlabel.c
ip6_gre.c Revert "ipv6: constify inet6_protocol structures" 2017-08-01 10:03:17 -07:00
ip6_icmp.c
ip6_input.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-20 10:35:33 -04:00
ip6_offload.c ipv6: Fix leak in ipv6_gso_segment(). 2017-06-04 21:41:10 -04:00
ip6_offload.h
ip6_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-08-01 10:07:50 -07:00
ip6_tunnel.c net: add netlink_ext_ack argument to rtnl_link_ops.validate 2017-06-26 23:13:22 -04:00
ip6_udp_tunnel.c
ip6_vti.c vti: revert flush x-netns xfrm cache when vti interface is removed 2017-07-18 11:13:41 -07:00
ip6mr.c rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
ipcomp6.c
ipv6_sockglue.c Merge branch 'work.memdup_user' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-05 16:05:24 -07:00
Kconfig ipv6: sr: define core operations for seg6local lightweight tunnel 2017-08-07 14:16:22 -07:00
Makefile ipv6: sr: define core operations for seg6local lightweight tunnel 2017-08-07 14:16:22 -07:00
mcast_snoop.c
mcast.c net, ipv6: convert ifmcaddr6.mca_refcnt from atomic_t to refcount_t 2017-07-04 01:29:04 -07:00
mip6.c
ndisc.c net: ipv6: lower ndisc notifier priority below addrconf 2017-08-09 22:40:04 -07:00
netfilter.c
output_core.c ipv6: avoid overflow of offset in ip6_find_1stfragopt 2017-07-19 22:50:14 -07:00
ping.c net: ping: do not abuse udp_poll() 2017-06-04 22:56:55 -04:00
proc.c proc: snmp6: Use correct type in memset 2017-06-12 09:53:14 -04:00
protocol.c net: Add sysctl to toggle early demux for tcp and udp 2017-03-24 13:17:07 -07:00
raw.c net: ipv6: add second dif to raw socket lookups 2017-08-07 11:39:22 -07:00
reassembly.c
route.c ipv6: fib: Provide offload indication using nexthop flags 2017-08-15 17:05:03 -07:00
seg6_hmac.c
seg6_iptunnel.c ipv6: sr: export SRH insertion functions 2017-08-07 14:16:21 -07:00
seg6_local.c ipv6: sr: implement several seg6local actions 2017-08-07 14:16:22 -07:00
seg6.c ipv6: sr: define core operations for seg6local lightweight tunnel 2017-08-07 14:16:22 -07:00
sit.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-06-30 12:43:08 -04:00
syncookies.c ipv4: ipv6: initialize treq->txhash in cookie_v[46]_check() 2017-07-18 11:22:51 -07:00
sysctl_net_ipv6.c
tcp_ipv6.c net: ipv6: add second dif to inet6 socket lookups 2017-08-07 11:39:22 -07:00
tcpv6_offload.c
tunnel6.c
udp_impl.h udp: make *udp*_queue_rcv_skb() functions static 2017-05-18 10:23:33 -04:00
udp_offload.c net: avoid skb_warn_bad_offload false positives on UFO 2017-08-08 21:39:01 -07:00
udp.c net: ipv6: add second dif to inet6 socket lookups 2017-08-07 11:39:22 -07:00
udplite.c
xfrm6_input.c xfrm6: Fix IPv6 payload_len in xfrm6_transport_finish 2017-06-22 10:49:14 +02:00
xfrm6_mode_beet.c networking: make skb_pull & friends return void pointers 2017-06-16 11:48:39 -04:00
xfrm6_mode_ro.c ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt() 2017-06-02 13:57:27 -04:00
xfrm6_mode_transport.c ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt() 2017-06-02 13:57:27 -04:00
xfrm6_mode_tunnel.c xfrm: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm6_output.c xfrm: Add an IPsec hardware offloading API 2017-04-14 10:06:10 +02:00
xfrm6_policy.c xfrm: remove flow cache 2017-07-18 11:13:41 -07:00
xfrm6_protocol.c
xfrm6_state.c
xfrm6_tunnel.c net, ipv6: convert xfrm6_tunnel_spi.refcnt from atomic_t to refcount_t 2017-07-04 01:29:04 -07:00