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1c19448c9b
linux/net/ipv4
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Tom Herbert 1c19448c9b net: Make enabling of zero UDP6 csums more restrictive 
RFC 6935 permits zero checksums to be used in IPv6 however this is
recommended only for certain tunnel protocols, it does not make
checksums completely optional like they are in IPv4.

This patch restricts the use of IPv6 zero checksums that was previously
intoduced. no_check6_tx and no_check6_rx have been added to control
the use of checksums in UDP6 RX and TX path. The normal
sk_no_check_{rx,tx} settings are not used (this avoids ambiguity when
dealing with a dual stack socket).

A helper function has been added (udp_set_no_check6) which can be
called by tunnel impelmentations to all zero checksums (send on the
socket, and accept them as valid).

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-23 16:28:53 -04:00
..
netfilter net: rename local_df to ignore_df 2014-05-12 14:03:41 -04:00
af_inet.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
ah4.c ah4: Use the IPsec protocol multiplexer API 2014-02-25 07:04:17 +01:00
arp.c ipv4: arp: update neighbour address when a gratuitous arp is received and arp_accept is set 2014-01-02 00:08:38 -05:00
cipso_ipv4.c ipv4: ERROR: code indent should use tabs where possible 2013-12-26 13:43:21 -05:00
datagram.c net: Remove FLOWI_FLAG_CAN_SLEEP 2013-12-06 07:24:39 +01:00
devinet.c ipv4: minor spelling fix 2014-05-18 21:10:29 -04:00
esp4.c esp4: Use the IPsec protocol multiplexer API 2014-02-25 07:04:17 +01:00
fib_frontend.c ipv4, fib: pass LOOPBACK_IFINDEX instead of 0 to flowi4_iif 2014-04-16 15:05:11 -04:00
fib_lookup.h ipv4: make fib_detect_death static 2013-12-28 17:01:46 -05:00
fib_rules.c inet: fix NULL pointer Oops in fib(6)_rule_suppress 2013-12-10 17:54:23 -05:00
fib_semantics.c ipv4: fib_semantics: increment fib_info_cnt after fib_info allocation 2014-05-07 17:14:32 -04:00
fib_trie.c seq_file: remove "%n" usage from seq_file users 2013-11-15 09:32:20 +09:00
gre_demux.c gre: Call skb_checksum_simple_validate 2014-05-08 23:47:50 -04:00
gre_offload.c net/ipv4: don't use module_init in non-modular gre_offload 2014-01-16 16:08:27 -08:00
icmp.c net: add a sysctl to reflect the fwmark on replies 2014-05-13 18:35:08 -04:00
igmp.c igmp: Call skb_checksum_simple_validate 2014-05-08 23:47:50 -04:00
inet_connection_sock.c ipv4: make ip_local_reserved_ports per netns 2014-05-14 15:31:45 -04:00
inet_diag.c inet_diag: fix inet_diag_dump_icsk() to use correct state for timewait sockets 2014-01-13 22:35:46 -08:00
inet_fragment.c inet: frag: make sure forced eviction removes all frags 2014-03-06 15:28:45 -05:00
inet_hashtables.c net: Use a more standard macro for INET_ADDR_COOKIE 2014-05-14 16:07:23 -04:00
inet_lro.c lro: remove dead code 2013-12-29 16:34:25 -05:00
inet_timewait_sock.c tcp/dccp: remove twchain 2013-10-08 23:19:24 -04:00
inetpeer.c inetpeer_gc_worker: trivial cleanup 2014-04-26 12:52:28 -04:00
ip_forward.c net: rename local_df to ignore_df 2014-05-12 14:03:41 -04:00
ip_fragment.c ipv4: fix "conntrack zones" support for defrag user check in ip_expire 2014-05-05 16:02:59 +02:00
ip_gre.c gre: add x-netns support 2014-04-23 14:53:36 -04:00
ip_input.c net: Fix memory leak if TPROXY used with TCP early demux 2014-01-27 16:22:11 -08:00
ip_options.c ipv4: Use predefined value for readability 2014-04-28 13:28:43 -04:00
ip_output.c net: add a sysctl to reflect the fwmark on replies 2014-05-13 18:35:08 -04:00
ip_sockglue.c ipv4: yet another new IP_MTU_DISCOVER option IP_PMTUDISC_OMIT 2014-02-26 15:51:00 -05:00
ip_tunnel_core.c ipv4: add a sock pointer to dst->output() path. 2014-04-15 13:47:15 -04:00
ip_tunnel.c ip_tunnel: don't add tunnel twice 2014-05-16 16:57:44 -04:00
ip_vti.c vti: don't allow to add the same tunnel twice 2014-04-12 17:03:11 -04:00
ipcomp.c ipcomp4: Use the IPsec protocol multiplexer API 2014-02-25 07:04:17 +01:00
ipconfig.c ipv4: ipconfig.c: add parentheses in an if statement 2014-02-14 00:14:23 -05:00
ipip.c net: tunnels - enable module autoloading 2014-05-21 15:46:52 -04:00
ipmr.c ipv4, fib: pass LOOPBACK_IFINDEX instead of 0 to flowi4_iif 2014-04-16 15:05:11 -04:00
Kconfig net: neighbour: Remove CONFIG_ARPD 2013-09-03 21:41:43 -04:00
Makefile xfrm4: Add IPsec protocol multiplexer 2014-02-25 07:04:16 +01:00
netfilter.c netfilter: remove double colon 2014-02-19 11:41:25 +01:00
ping.c ping: move ping_group_range out of CONFIG_SYSCTL 2014-05-08 22:50:47 -04:00
proc.c net: clean up snmp stats code 2014-05-07 16:06:05 -04:00
protocol.c net: remove outdated comment for ipv4 and ipv6 protocol handler 2013-11-28 18:47:51 -05:00
raw.c ipv6: honor IPV6_PKTINFO with v4 mapped addresses on sendmsg 2014-02-19 16:28:42 -05:00
route.c net: Use fwmark reflection in PMTU discovery. 2014-05-13 18:35:09 -04:00
syncookies.c net: support marking accepting TCP sockets 2014-05-13 18:35:09 -04:00
sysctl_net_ipv4.c ipv4: make ip_local_reserved_ports per netns 2014-05-14 15:31:45 -04:00
tcp_bic.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_cong.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_cubic.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-05-12 13:19:14 -04:00
tcp_diag.c
tcp_fastopen.c tcp: IPv6 support for fastopen server 2014-05-13 17:53:03 -04:00
tcp_highspeed.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_htcp.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_hybla.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_illinois.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_input.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_ipv4.c net: support marking accepting TCP sockets 2014-05-13 18:35:09 -04:00
tcp_lp.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_memcontrol.c cgroup: drop const from @buffer of cftype->write_string() 2014-03-19 10:23:54 -04:00
tcp_metrics.c tcp: switch rtt estimations to usec resolution 2014-02-26 17:08:40 -05:00
tcp_minisocks.c tcp: use tcp_v4_send_synack on first SYN-ACK 2014-05-13 17:53:02 -04:00
tcp_offload.c tcp: do not export tcp_gso_segment() and tcp_gro_receive() 2014-01-14 18:53:48 -08:00
tcp_output.c tcp: make cwnd-limited checks measurement-based, and gentler 2014-05-22 12:04:49 -04:00
tcp_probe.c tcp: switch rtt estimations to usec resolution 2014-02-26 17:08:40 -05:00
tcp_scalable.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_timer.c tcp: snmp stats for Fast Open, SYN rtx, and data pkts 2014-03-03 15:58:03 -05:00
tcp_vegas.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_vegas.h net: ipv4/ipv6: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
tcp_veno.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_westwood.c tcp: remove unused min_cwnd member of tcp_congestion_ops 2014-02-13 18:22:34 -05:00
tcp_yeah.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp.c tcp: Add a TCP_FASTOPEN socket option to get a max backlog on its listner 2014-04-20 18:18:54 -04:00
tunnel4.c
udp_diag.c netlink: rename ssk to sk in struct netlink_skb_params 2013-04-19 14:57:56 -04:00
udp_impl.h net: ipv4/ipv6: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
udp_offload.c net/ipv4: Use proper RCU APIs for writer-side in udp_offload.c 2014-02-04 20:01:55 -08:00
udp.c net: Make enabling of zero UDP6 csums more restrictive 2014-05-23 16:28:53 -04:00
udplite.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
xfrm4_input.c xfrm4: Add IPsec protocol multiplexer 2014-02-25 07:04:16 +01:00
xfrm4_mode_beet.c ipv4: ERROR: code indent should use tabs where possible 2013-12-26 13:43:21 -05:00
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c xfrm4: Remove xfrm_tunnel_notifier 2014-02-25 07:04:18 +01:00
xfrm4_output.c net: rename local_df to ignore_df 2014-05-12 14:03:41 -04:00
xfrm4_policy.c xfrm: Introduce xfrm_input_afinfo to access the the callbacks properly 2014-03-14 07:28:07 +01:00
xfrm4_protocol.c xfrm: Introduce xfrm_input_afinfo to access the the callbacks properly 2014-03-14 07:28:07 +01:00
xfrm4_state.c inet: make no_pmtu_disc per namespace and kill ipv4_config 2013-12-18 16:58:20 -05:00
xfrm4_tunnel.c sit: add IPv4 over IPv4 support 2013-05-31 17:19:05 -07:00