AuxXxilium/linux_dsm_epyc7002
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0cb7498f23
linux_dsm_epyc7002/net
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Ahmed Abdelsalam 0cb7498f23 seg6: fix SRH processing to comply with RFC8754 
The Segment Routing Header (SRH) which defines the SRv6 dataplane is defined
in RFC8754.

RFC8754 (section 4.1) defines the SR source node behavior which encapsulates
packets into an outer IPv6 header and SRH. The SR source node encodes the
full list of Segments that defines the packet path in the SRH. Then, the
first segment from list of Segments is copied into the Destination address
of the outer IPv6 header and the packet is sent to the first hop in its path
towards the destination.

If the Segment list has only one segment, the SR source node can omit the SRH
as he only segment is added in the destination address.

RFC8754 (section 4.1.1) defines the Reduced SRH, when a source does not
require the entire SID list to be preserved in the SRH. A reduced SRH does
not contain the first segment of the related SR Policy (the first segment is
the one already in the DA of the IPv6 header), and the Last Entry field is
set to n-2, where n is the number of elements in the SR Policy.

RFC8754 (section 4.3.1.1) defines the SRH processing and the logic to
validate the SRH (S09, S10, S11) which works for both reduced and
non-reduced behaviors.

This patch updates seg6_validate_srh() to validate the SRH as per RFC8754.

Signed-off-by: Ahmed Abdelsalam <ahabdels@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-06 17:21:35 -07:00
..
6lowpan
9p 9pnet: allow making incomplete read requests 2020-03-27 09:29:56 +00:00
802 net: 802: psnap.c: Use built-in RCU list checking 2020-02-24 13:02:53 -08:00
8021q net: vlan: suppress "failed to kill vid" warnings 2020-02-17 14:30:54 -08:00
appletalk appletalk: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
atm atm: fix a memory leak of vcc->user_back 2020-05-04 11:59:38 -07:00
ax25 net: Make sock protocol value checks more specific 2020-01-09 18:41:40 -08:00
batman-adv batman-adv: Fix refcnt leak in batadv_v_ogm_process 2020-04-21 10:08:05 +02:00
bluetooth Bluetooth: L2CAP: Use DEFER_SETUP to group ECRED connections 2020-03-25 22:16:08 +01:00
bpf bpf: Fix build warning regarding missing prototypes 2020-03-28 18:13:18 +01:00
bpfilter SPDX patches for 5.7-rc1. 2020-04-03 13:12:26 -07:00
bridge net: bridge: vlan: Add a schedule point during VLAN processing 2020-04-30 17:45:41 -07:00
caif net: caif: Add lockdep expression to RCU traversal primitive 2020-03-11 22:55:25 -07:00
can can: j1939: j1939_sk_bind(): take priv after lock is held 2019-12-08 11:52:02 +01:00
ceph libceph: directly skip to the end of redirect reply 2020-03-30 12:42:41 +02:00
core neigh: send protocol value in neighbor create notification 2020-05-05 13:38:59 -07:00
dcb
dccp Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-02-29 15:53:35 -08:00
decnet Remove DST_HOST 2020-03-23 21:57:44 -07:00
dns_resolver KEYS: Don't write out to userspace while holding key semaphore 2020-03-29 12:40:41 +01:00
dsa net: dsa: Do not make user port errors fatal 2020-05-04 10:29:47 -07:00
ethernet net: remove eth_change_mtu 2020-01-27 11:09:31 +01:00
ethtool ethtool: provide timestamping information with TSINFO_GET request 2020-03-29 22:32:37 -07:00
hsr net: hsr: fix incorrect type usage for protocol variable 2020-05-06 15:00:20 -07:00
ieee802154 nl802154: add missing attribute validation for dev_type 2020-03-03 13:28:48 -08:00
ife net: Fix Kconfig indentation 2019-09-26 08:56:17 +02:00
ipv4 mptcp: move option parsing into mptcp_incoming_options() 2020-04-30 12:23:22 -07:00
ipv6 seg6: fix SRH processing to comply with RFC8754 2020-05-06 17:21:35 -07:00
iucv treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
kcm net: kcm: kcmproc.c: Fix RCU list suspicious usage warning 2020-03-16 17:14:02 -07:00
key
l2tp l2tp: Allow management of tunnels and session in user namespace 2020-04-08 14:30:46 -07:00
l3mdev
lapb
llc af_llc: fix if-statement empty body warning 2020-02-26 20:38:13 -08:00
mac80211 mac80211: sta_info: Add lockdep condition for RCU list usage 2020-04-24 11:31:20 +02:00
mac802154
mpls net: add net available in build_state 2020-03-29 22:30:57 -07:00
mptcp mptcp: fix uninitialized value access 2020-04-30 12:34:07 -07:00
ncsi net/ncsi: Support for multi host mellanox card 2020-01-09 18:36:22 -08:00
netfilter netfilter: nf_osf: avoid passing pointer to local var 2020-04-29 21:17:57 +02:00
netlabel netlabel: Kconfig: Update reference for NetLabel Tools project 2020-04-22 19:55:01 -07:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-03-25 18:58:11 -07:00
netrom net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node 2020-04-18 13:09:46 -07:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-03-12 22:34:48 -07:00
nsh
openvswitch net: openvswitch: ovs_ct_exit to be done under ovs_lock 2020-04-20 10:53:54 -07:00
packet net/packet: tpacket_rcv: avoid a producer race condition 2020-03-15 00:25:25 -07:00
phonet net: Remove redundant BUG_ON() check in phonet_pernet 2020-01-03 12:25:50 -08:00
psample net: psample: fix skb_over_panic 2019-11-26 14:40:13 -08:00
qrtr net: qrtr: send msgs from local of same id as broadcast 2020-04-09 10:08:31 -07:00
rds net/rds: Use ERR_PTR for rds_message_alloc_sgs() 2020-04-15 12:33:29 -07:00
rfkill rfkill: Fix incorrect check to avoid NULL pointer dereference 2019-12-16 10:15:49 +01:00
rose Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-01-26 10:40:21 +01:00
rxrpc rxrpc: Fix DATA Tx to disable nofrag for UDP on AF_INET6 socket 2020-04-14 16:26:47 -07:00
sched net_sched: fix tcm_parent in tc filter dump 2020-05-04 11:53:33 -07:00
sctp sctp: Fix SHUTDOWN CTSN Ack in the peer restart case 2020-04-22 19:27:40 -07:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-03-12 22:34:48 -07:00
strparser
sunrpc svcrdma: Fix leak of svc_rdma_recv_ctxt objects 2020-04-17 12:40:38 -04:00
switchdev net: switchdev: do not propagate bridge updates across bridges 2020-02-26 20:58:33 -08:00
tipc tipc: fix partial topology connection closure 2020-05-04 10:31:13 -07:00
tls net/tls: Fix sk_psock refcnt leak when in tls_data_ready() 2020-04-27 11:22:38 -07:00
unix net: datagram: drop 'destructor' argument from several helpers 2020-02-28 12:12:53 -08:00
vmw_vsock vsock/virtio: fix multiple packet delivery to monitoring devices 2020-04-27 10:18:01 -07:00
wimax
wireless nl80211: fix NL80211_ATTR_FTM_RESPONDER policy 2020-04-14 12:28:48 +02:00
x25 net/x25: Fix null-ptr-deref in x25_disconnect 2020-04-28 14:08:59 -07:00
xdp xsk: Add missing check on user supplied headroom size 2020-04-15 13:07:18 +02:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2020-03-30 10:59:20 -07:00
compat.c net: abstract out normal and compat msghdr import 2020-03-10 09:12:49 -06:00
Kconfig net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build 2020-03-25 12:24:33 -07:00
Makefile mptcp: Add MPTCP socket stubs 2020-01-24 13:44:07 +01:00
socket.c for-5.7/io_uring-2020-03-29 2020-03-30 12:18:49 -07:00
sysctl_net.c