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linux_dsm_epyc7002/net/ipv6
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Hangbin Liu 8013d1d7ea net/ipv6: add sysctl option accept_ra_min_hop_limit 
Commit 6fd99094de ("ipv6: Don't reduce hop limit for an interface")
disabled accept hop limit from RA if it is smaller than the current hop
limit for security stuff. But this behavior kind of break the RFC definition.

RFC 4861, 6.3.4.  Processing Received Router Advertisements
   A Router Advertisement field (e.g., Cur Hop Limit, Reachable Time,
   and Retrans Timer) may contain a value denoting that it is
   unspecified.  In such cases, the parameter should be ignored and the
   host should continue using whatever value it is already using.

   If the received Cur Hop Limit value is non-zero, the host SHOULD set
   its CurHopLimit variable to the received value.

So add sysctl option accept_ra_min_hop_limit to let user choose the minimum
hop limit value they can accept from RA. And set default to 1 to meet RFC
standards.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-30 15:56:40 -07:00
..
netfilter netfilter: x_tables: remove XT_TABLE_INFO_SZ and a dereference. 2015-06-15 20:19:20 +02:00
addrconf_core.c ipv6: fix possible use after free of dev stats 2015-06-08 12:12:45 -07:00
addrconf.c net/ipv6: add sysctl option accept_ra_min_hop_limit 2015-07-30 15:56:40 -07:00
addrlabel.c netlink: implement nla_put_in_addr and nla_put_in6_addr 2015-03-31 13:58:35 -04:00
af_inet6.c ipv6: Nonlocal bind 2015-07-09 21:09:10 -07:00
ah6.c ipv6: coding style: comparison for equality with NULL 2015-03-31 13:51:54 -04:00
anycast.c ipv6: coding style: comparison for equality with NULL 2015-03-31 13:51:54 -04:00
datagram.c net: Set sk_txhash from a random number 2015-07-29 22:44:04 -07:00
esp6.c esp6: Switch to new AEAD interface 2015-05-28 11:23:20 +08:00
exthdrs_core.c ipv6: coding style: comparison for equality with NULL 2015-03-31 13:51:54 -04:00
exthdrs_offload.c ipv6: Fix exthdrs offload registration. 2014-03-06 16:35:55 -05:00
exthdrs.c ipv6: use flag instead of u16 for hop in inet6_skb_parm 2015-07-09 15:06:59 -07:00
fib6_rules.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-04-06 22:34:15 -04:00
icmp.c ipv6: Remove external dependency on rt6i_gateway and RTF_ANYCAST 2015-05-25 13:25:33 -04:00
inet6_connection_sock.c net: convert syn_wait_lock to a spinlock 2015-03-23 16:52:26 -04:00
inet6_hashtables.c inet: inet_twsk_deschedule factorization 2015-07-09 15:12:20 -07:00
ip6_checksum.c udp: Generic functions to set checksum 2014-06-04 22:46:38 -07:00
ip6_fib.c lwtunnel: change prototype of lwtunnel_state_get() 2015-07-27 01:02:49 -07:00
ip6_flowlabel.c ipv6: Flow label state ranges 2015-05-03 21:58:01 -04:00
ip6_gre.c ip6_gre: use netdev_alloc_pcpu_stats() 2015-04-22 15:39:05 -04:00
ip6_icmp.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
ip6_input.c ipv6: fix crash over flow-based vxlan device 2015-07-26 20:54:56 -07:00
ip6_offload.c Revert "sit: Add gro callbacks to sit_offload" 2015-07-20 16:52:28 -07:00
ip6_offload.h ipv6: Pull IPv6 GSO registration out of the module 2012-11-15 17:39:24 -05:00
ip6_output.c net/ipv6: update flowi6_oif in ip6_dst_lookup_flow if not set 2015-07-20 12:59:32 -07:00
ip6_tunnel.c ipv6: Add rt6_get_cookie() function 2015-05-25 13:25:34 -04:00
ip6_udp_tunnel.c net: Modify sk_alloc to not reference count the netns of kernel sockets. 2015-05-11 10:50:18 -04:00
ip6_vti.c vti6: Add pmtu handling to vti6_xmit. 2015-06-01 16:03:43 -07:00
ip6mr.c netfilter: Pass socket pointer down through okfn(). 2015-04-07 15:25:55 -04:00
ipcomp6.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
ipv6_sockglue.c ipv6: coding style: comparison for equality with NULL 2015-03-31 13:51:54 -04:00
Kconfig net: Build IPv6 into kernel by default 2015-07-13 13:10:21 -07:00
Makefile net: Export IGMP/MLD message validation code 2015-05-04 14:49:23 -04:00
mcast_snoop.c net: fix two sparse warnings introduced by IGMP/MLD parsing exports 2015-05-04 19:19:54 -04:00
mcast.c netfilter: Pass socket pointer down through okfn(). 2015-04-07 15:25:55 -04:00
mip6.c net: Convert LIMIT_NETDEBUG to net_dbg_ratelimited 2014-11-11 14:10:31 -05:00
ndisc.c net/ipv6: add sysctl option accept_ra_min_hop_limit 2015-07-30 15:56:40 -07:00
netfilter.c netfilter: bridge: forward IPv6 fragmented packets 2015-06-12 14:10:12 +02:00
output_core.c netfilter: don't pull include/linux/netfilter.h from netns headers 2015-06-18 21:14:31 +02:00
ping.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-03-09 23:38:02 -04:00
proc.c udp: Increment UDP_MIB_IGNOREDMULTI for arriving unmatched multicasts 2014-11-07 15:45:50 -05:00
protocol.c net: Export inet_offloads and inet6_offloads 2014-09-19 17:15:31 -04:00
raw.c ipv6: Nonlocal bind 2015-07-09 21:09:10 -07:00
reassembly.c ipv6: coding style: comparison for inequality with NULL 2015-03-31 13:51:54 -04:00
route.c ipv6: Avoid rt6_probe() taking writer lock in the fast path 2015-07-27 01:08:25 -07:00
sit.c ipv6: call iptunnel_xmit with NULL sock pointer if no tunnel sock is available 2015-04-08 12:09:43 -04:00
syncookies.c tcp: get_cookie_sock() consolidation 2015-06-07 15:19:52 -07:00
sysctl_net_ipv6.c ipv6: Nonlocal bind 2015-07-09 21:09:10 -07:00
tcp_ipv6.c net: Set sk_txhash from a random number 2015-07-29 22:44:04 -07:00
tcpv6_offload.c tcp: cleanup static functions 2015-02-28 16:56:51 -05:00
tunnel6.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
udp_impl.h net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
udp_offload.c ipv6: hash net ptr into fragmentation bucket selection 2015-03-25 14:07:04 -04:00
udp.c udp: fix behavior of wrong checksums 2015-05-31 21:42:18 -07:00
udplite.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
xfrm6_input.c netfilter: Pass socket pointer down through okfn(). 2015-04-07 15:25:55 -04:00
xfrm6_mode_beet.c xfrm: simplify xfrm_address_t use 2015-03-31 13:58:35 -04:00
xfrm6_mode_ro.c ipv4/ipv6: Fix FSF address in file headers 2013-12-06 12:37:56 -05:00
xfrm6_mode_transport.c [IPSEC]: Use IPv6 calling convention as the convention for x->mode->output 2007-10-10 16:55:54 -07:00
xfrm6_mode_tunnel.c xfrm6: Remove xfrm_tunnel_notifier 2014-03-14 07:28:08 +01:00
xfrm6_output.c netfilter: Pass socket pointer down through okfn(). 2015-04-07 15:25:55 -04:00
xfrm6_policy.c ipv6: Add rt6_get_cookie() function 2015-05-25 13:25:34 -04:00
xfrm6_protocol.c xfrm6: Properly handle unsupported protocols 2014-05-06 07:08:38 +02:00
xfrm6_state.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
xfrm6_tunnel.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00