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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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48e8aa6e31
The neighbor look-up used to depend on the rt6i_gateway (if there is a gateway) or the rt6i_dst (if it is a RTF_CACHE clone) as the nexthop address. Note that rt6i_dst is set to fl6->daddr for the RTF_CACHE clone where fl6->daddr is the one used to do the route look-up. Now, we only create RTF_CACHE clone after encountering exception. When doing the neighbor look-up with a route that is neither a gateway nor a RTF_CACHE clone, the daddr in skb will be used as the nexthop. In some cases, the daddr in skb is not the one used to do the route look-up. One example is in ip_vs_dr_xmit_v6() where the real nexthop server address is different from the one in the skb. This patch is going to follow the IPv4 approach and ask the ip6_pol_route() callers to set the FLOWI_FLAG_KNOWN_NH properly. In the next patch, ip6_pol_route() will honor the FLOWI_FLAG_KNOWN_NH and create a RTF_CACHE clone. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Julian Anastasov <ja@ssi.bg> Tested-by: Julian Anastasov <ja@ssi.bg> Cc: Hannes Frederic Sowa <hannes@stressinduktion.org> Cc: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| 6lowpan | ||
| 9p | ||
| 802 | ||
| 8021q | ||
| appletalk | ||
| atm | ||
| ax25 | ||
| batman-adv | ||
| bluetooth | ||
| bridge | ||
| caif | ||
| can | ||
| ceph | ||
| core | ||
| dcb | ||
| dccp | ||
| decnet | ||
| dns_resolver | ||
| dsa | ||
| ethernet | ||
| hsr | ||
| ieee802154 | ||
| ipv4 | ||
| ipv6 | ||
| ipx | ||
| irda | ||
| iucv | ||
| key | ||
| l2tp | ||
| lapb | ||
| llc | ||
| mac80211 | ||
| mac802154 | ||
| mpls | ||
| netfilter | ||
| netlabel | ||
| netlink | ||
| netrom | ||
| nfc | ||
| openvswitch | ||
| packet | ||
| phonet | ||
| rds | ||
| rfkill | ||
| rose | ||
| rxrpc | ||
| sched | ||
| sctp | ||
| sunrpc | ||
| switchdev | ||
| tipc | ||
| unix | ||
| vmw_vsock | ||
| wimax | ||
| wireless | ||
| x25 | ||
| xfrm | ||
| compat.c | ||
| Kconfig | ||
| Makefile | ||
| socket.c | ||
| sysctl_net.c | ||