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linux/net/ipv4
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Hannes Frederic Sowa 4b261c75a9 ipv6: make IPV6_RECVPKTINFO work for ipv4 datagrams 
We currently don't report IPV6_RECVPKTINFO in cmsg access ancillary data
for IPv4 datagrams on IPv6 sockets.

This patch splits the ip6_datagram_recv_ctl into two functions, one
which handles both protocol families, AF_INET and AF_INET6, while the
ip6_datagram_recv_specific_ctl only handles IPv6 cmsg data.

ip6_datagram_recv_*_ctl never reported back any errors, so we can make
them return void. Also provide a helper for protocols which don't offer dual
personality to further use ip6_datagram_recv_ctl, which is exported to
modules.

I needed to shuffle the code for ping around a bit to make it easier to
implement dual personality for ping ipv6 sockets in future.

Reported-by: Gert Doering <gert@space.net>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-19 19:53:18 -08:00
..
netfilter
netfilter: nf_tables: fix error path in the init functions
2014-01-09 23:25:48 +01:00
af_inet.c
ipv4: introduce hardened ip_no_pmtu_disc mode
2014-01-13 11:22:55 -08:00
ah4.c
ipv4: properly refresh rtable entries on pmtu/redirect events
2013-06-03 00:07:42 -07:00
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
net: replace macros net_random and net_srandom with direct calls to prandom
2014-01-14 15:15:25 -08:00
esp4.c
net: esp{4,6}: get rid of struct esp_data
2013-10-29 06:39:42 +01:00
fib_frontend.c
fib_trie: remove duplicated rcu lock
2013-10-18 13:53:59 -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: make fib_detect_death static
2013-12-28 17:01:46 -05:00
fib_trie.c
seq_file: remove "%n" usage from seq_file users
2013-11-15 09:32:20 +09:00
gre_demux.c
gre_offload: statically build GRE offloading support
2014-01-06 20:28:34 -05:00
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
ipv4: introduce hardened ip_no_pmtu_disc mode
2014-01-13 11:22:55 -08:00
igmp.c
net: replace macros net_random and net_srandom with direct calls to prandom
2014-01-14 15:15:25 -08:00
inet_connection_sock.c
net: replace macros net_random and net_srandom with direct calls to prandom
2014-01-14 15:15:25 -08:00
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: remove old fragmentation hash initializing
2013-10-23 17:01:41 -04:00
inet_hashtables.c
inet: convert inet_ehash_secret and ipv6_hash_secret to net_get_random_once
2013-10-19 19:45:35 -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
ipv4: remove unused function
2013-12-28 17:03:20 -05:00
ip_forward.c
ipv4: introduce ip_dst_mtu_maybe_forward and protect forwarding path against pmtu spoofing
2014-01-13 11:22:54 -08:00
ip_fragment.c
net: Add utility functions to clear rxhash
2013-12-17 16:36:21 -05:00
ip_gre.c
ipv4: be friend with drop monitor
2014-01-18 23:08:02 -08:00
ip_input.c
net: add SNMP counters tracking incoming ECN bits
2013-08-08 22:24:59 -07:00
ip_options.c
ipv4: switch and case should be at the same indent
2014-01-02 03:30:36 -05:00
ip_output.c
ipv4: register igmp_notifier even when !CONFIG_PROC_FS
2014-01-14 15:03:33 -08:00
ip_sockglue.c
ipv6: make IPV6_RECVPKTINFO work for ipv4 datagrams
2014-01-19 19:53:18 -08:00
ip_tunnel_core.c
net: Add utility functions to clear rxhash
2013-12-17 16:36:21 -05:00
ip_tunnel.c
ipv4: be friend with drop monitor
2014-01-18 23:08:02 -08:00
ip_vti.c
ipv4: be friend with drop monitor
2014-01-18 23:08:02 -08:00
ipcomp.c
ipv4: properly refresh rtable entries on pmtu/redirect events
2013-06-03 00:07:42 -07:00
ipconfig.c
ipconfig: add informative timeout messages while waiting for carrier
2013-04-02 14:35:33 -04:00
ipip.c
ipv4: be friend with drop monitor
2014-01-18 23:08:02 -08:00
ipmr.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2014-01-18 00:55:41 -08:00
Kconfig
net: neighbour: Remove CONFIG_ARPD
2013-09-03 21:41:43 -04:00
Makefile
gre_offload: statically build GRE offloading support
2014-01-06 20:28:34 -05:00
netfilter.c
netfilter: add my copyright statements
2013-04-18 20:27:55 +02:00
ping.c
ipv6: make IPV6_RECVPKTINFO work for ipv4 datagrams
2014-01-19 19:53:18 -08:00
proc.c
ipv4: spaces required around that '='
2014-01-02 03:30:36 -05:00
protocol.c
net: remove outdated comment for ipv4 and ipv6 protocol handler
2013-11-28 18:47:51 -05:00
raw.c
net: add build-time checks for msg->msg_name size
2014-01-18 23:04:16 -08:00
route.c
ipv4: introduce ip_dst_mtu_maybe_forward and protect forwarding path against pmtu spoofing
2014-01-13 11:22:54 -08:00
syncookies.c
ipv4: fix checkpatch error "space prohibited"
2013-12-26 13:43:21 -05:00
sysctl_net_ipv4.c
ipv4: introduce ip_dst_mtu_maybe_forward and protect forwarding path against pmtu spoofing
2014-01-13 11:22:54 -08:00
tcp_bic.c
tcp: properly handle stretch acks in slow start
2013-11-04 19:57:59 -05:00
tcp_cong.c
tcp: properly handle stretch acks in slow start
2013-11-04 19:57:59 -05:00
tcp_cubic.c
tcp: properly handle stretch acks in slow start
2013-11-04 19:57:59 -05:00
tcp_diag.c
inet_diag: Rename inet_diag_req into inet_diag_req_v2
2012-01-11 12:56:06 -08:00
tcp_fastopen.c
tcp: enable sockets to use MSG_FASTOPEN by default
2013-11-04 19:57:47 -05:00
tcp_highspeed.c
tcp: properly handle stretch acks in slow start
2013-11-04 19:57:59 -05:00
tcp_htcp.c
tcp: properly handle stretch acks in slow start
2013-11-04 19:57:59 -05:00
tcp_hybla.c
tcp: properly handle stretch acks in slow start
2013-11-04 19:57:59 -05:00
tcp_illinois.c
tcp: properly handle stretch acks in slow start
2013-11-04 19:57:59 -05:00
tcp_input.c
tcp: make local functions static
2013-12-29 16:34:24 -05:00
tcp_ipv4.c
ipv4: fix checkpatch error with foo * bar
2013-12-26 13:43:21 -05:00
tcp_lp.c
tcp: properly handle stretch acks in slow start
2013-11-04 19:57:59 -05:00
tcp_memcontrol.c
tcp_memcontrol: Cleanup/fix cg_proto->memory_pressure handling.
2013-12-05 21:01:01 -05:00
tcp_metrics.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2014-01-18 00:55:41 -08:00
tcp_minisocks.c
ipv6: tcp: fix flowlabel value in ACK messages send from TIME_WAIT
2014-01-17 17:56:33 -08:00
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 local functions static
2013-12-29 16:34:24 -05:00
tcp_probe.c
ipv4: ERROR: do not initialise globals to 0 or NULL
2013-12-26 13:43:21 -05:00
tcp_scalable.c
tcp: properly handle stretch acks in slow start
2013-11-04 19:57:59 -05:00
tcp_timer.c
tcp: temporarily disable Fast Open on SYN timeout
2013-10-29 22:50:41 -04:00
tcp_vegas.c
tcp: properly handle stretch acks in slow start
2013-11-04 19:57:59 -05:00
tcp_vegas.h
net: ipv4/ipv6: Remove extern from function prototypes
2013-10-19 19:12:11 -04:00
tcp_veno.c
tcp: properly handle stretch acks in slow start
2013-11-04 19:57:59 -05:00
tcp_westwood.c
tcp: refactor F-RTO
2013-03-21 11:47:50 -04:00
tcp_yeah.c
ipv4: ipv4: Cleanup the comments in tcp_yeah.c
2013-12-26 13:43:55 -05:00
tcp.c
tcp: out_of_order_queue do not use its lock
2014-01-06 16:34:34 -05:00
tunnel4.c
net: Convert printks to pr_<level>
2012-03-11 23:42:51 -07:00
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
ipv4: fix tunneled VM traffic over hw VXLAN/GRE GSO NIC
2014-01-02 19:06:47 -05:00
udp.c
net: add build-time checks for msg->msg_name size
2014-01-18 23:04:16 -08:00
udplite.c
net: ipv4: Standardize prefixes for message logging
2012-03-12 17:05:21 -07:00
xfrm4_input.c
net: Add skb_unclone() helper function.
2013-02-15 15:10:37 -05:00
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
[IPSEC]: Use IPv6 calling convention as the convention for x->mode->output
2007-10-10 16:55:54 -07:00
xfrm4_mode_tunnel.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2013-09-30 15:24:57 -04:00
xfrm4_output.c
xfrm: revert ipv4 mtu determination to dst_mtu
2013-08-26 12:40:53 +02:00
xfrm4_policy.c
xfrm: Fix null pointer dereference when decoding sessions
2013-11-01 07:08:46 +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