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a59322be07
linux/net/ipv4
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Herbert Xu a59322be07 [UDP]: Only increment counter on first peek/recv 
The previous move of the the UDP inDatagrams counter caused each
peek of the same packet to be counted separately.  This may be
undesirable.

This patch fixes this by adding a bit to sk_buff to record whether
this packet has already been seen through skb_recv_datagram.  We
then only increment the counter when the packet is seen for the
first time.

The only dodgy part is the fact that skb_recv_datagram doesn't have
a good way of returning this new bit of information.  So I've added
a new function __skb_recv_datagram that does return this and made
skb_recv_datagram a wrapper around it.

The plan is to eventually replace all uses of skb_recv_datagram with
this new function at which time it can be renamed its proper name.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28 14:56:34 -08:00
..
ipvs [NETFILTER]: Mark hooks __read_mostly 2008-01-28 14:56:07 -08:00
netfilter [NETFILTER]: {nfnetlink,ip,ip6}_queue: kill issue_verdict 2008-01-28 14:56:15 -08:00
af_inet.c [IPV4]: Cleanup the sysctl_net_ipv4.c file 2008-01-28 14:56:27 -08:00
ah4.c [IPSEC]: Move state lock into x->type->input 2008-01-28 14:53:52 -08:00
arp.c IPoIB: improve IPv4/IPv6 to IB mcast mapping functions 2008-01-25 14:15:37 -08:00
cipso_ipv4.c [NetLabel]: correct usage of RCU locking 2007-10-26 04:29:08 -07:00
datagram.c
devinet.c [INET]: Merge sys.net.ipv4.ip_forward and sys.net.ipv4.conf.all.forwarding 2008-01-28 14:56:31 -08:00
esp4.c [IPSEC]: Move state lock into x->type->input 2008-01-28 14:53:52 -08:00
fib_frontend.c [IPV4]: Add inet_dev_addr_type() 2008-01-28 14:55:56 -08:00
fib_hash.c [IPV4] fib_hash: kmalloc + memset conversion to kzalloc 2008-01-28 14:55:07 -08:00
fib_lookup.h
fib_rules.c [INET]: Small possible memory leak in FIB rules 2007-11-10 22:12:03 -08:00
fib_semantics.c [IPV4] fib_semantics: kmalloc + memset conversion to kzalloc 2008-01-28 14:55:06 -08:00
fib_trie.c [IPV4] fib_trie: fix duplicated route issue 2008-01-20 20:31:38 -08:00
icmp.c [IPv4] RAW: Compact the API for the kernel 2008-01-28 14:54:28 -08:00
igmp.c [IPV4]: Add ip_local_out 2008-01-28 14:53:47 -08:00
inet_connection_sock.c [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
inet_diag.c [INET]: Fix inet_diag dead-lock regression 2007-12-03 15:51:25 +11:00
inet_fragment.c [NET]: Convert init_timer into setup_timer 2008-01-28 14:53:35 -08:00
inet_hashtables.c [INET]: Remove per bucket rwlock in tcp/dccp ehash table. 2007-11-07 04:15:11 -08:00
inet_lro.c [LRO] Fix lro_mgr->features checks 2008-01-08 23:30:18 -08:00
inet_timewait_sock.c [INET]: Remove per bucket rwlock in tcp/dccp ehash table. 2007-11-07 04:15:11 -08:00
inetpeer.c [INET]: Use list_head-s in inetpeer.c 2007-11-12 21:27:28 -08:00
ip_forward.c [NETFILTER]: Introduce NF_INET_ hook values 2008-01-28 14:53:55 -08:00
ip_fragment.c
ip_gre.c [IPV4] ip_gre: set mac_header correctly in receive path 2007-12-20 00:10:33 -08:00
ip_input.c [IPv4] RAW: Compact the API for the kernel 2008-01-28 14:54:28 -08:00
ip_options.c
ip_output.c [NETFILTER]: Introduce NF_INET_ hook values 2008-01-28 14:53:55 -08:00
ip_sockglue.c [IPV4]: Clean the ip_sockglue.c from some ugly ifdefs 2007-11-07 04:08:55 -08:00
ipcomp.c [IPSEC]: Forbid BEET + ipcomp for now 2008-01-28 14:53:43 -08:00
ipconfig.c [IPCONFIG]: Mark vendor_class_identifier as __initdata. 2008-01-28 14:54:22 -08:00
ipip.c [NET]: Treat the sign of the result of skb_headroom() consistently 2007-10-23 21:27:55 -07:00
ipmr.c [NET]: Make rtnetlink infrastructure network namespace aware (v3) 2008-01-28 14:54:25 -08:00
Kconfig typo fixes 2007-10-20 01:34:40 +02:00
Makefile [IPV4]: Cleanup the sysctl_net_ipv4.c file 2008-01-28 14:56:27 -08:00
netfilter.c [NETFILTER]: nf_queue: move list_head/skb/id to struct nf_info 2008-01-28 14:56:14 -08:00
proc.c [NET]: Define infrastructure to keep 'inuse' changes in an efficent SMP/NUMA way. 2007-11-07 04:08:57 -08:00
protocol.c
raw.c [RAW]: Consolidate proc interface. 2008-01-28 14:54:32 -08:00
route.c [PATCH] IPV4 : Move ip route cache flush (secret_rebuild) from softirq to workqueue 2008-01-28 14:54:33 -08:00
syncookies.c
sysctl_net_ipv4.c [INET]: Merge sys.net.ipv4.ip_forward and sys.net.ipv4.conf.all.forwarding 2008-01-28 14:56:31 -08:00
tcp_bic.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_cong.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_cubic.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_diag.c [INET]: Let inet_diag and friends autoload 2007-10-22 02:59:54 -07:00
tcp_highspeed.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_htcp.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_hybla.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_illinois.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_input.c [TCP]: Abstract tp->highest_sack accessing & point to next skb 2008-01-28 14:55:46 -08:00
tcp_ipv4.c [IPV4] TCPMD5: Use memmove() instead of memcpy() because we have overlaps. 2007-11-20 17:30:31 -08:00
tcp_lp.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_minisocks.c
tcp_output.c [TCP]: Abstract tp->highest_sack accessing & point to next skb 2008-01-28 14:55:46 -08:00
tcp_probe.c
tcp_scalable.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_timer.c
tcp_vegas.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_vegas.h
tcp_veno.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_westwood.c
tcp_yeah.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp.c [NET]: Eliminate unused argument from sk_stream_alloc_pskb 2008-01-28 14:55:08 -08:00
tunnel4.c [INET]: Cleanup the xfrm4_tunnel_(un)register 2007-11-10 21:48:54 -08:00
udp_impl.h
udp.c [UDP]: Only increment counter on first peek/recv 2008-01-28 14:56:34 -08:00
udplite.c [IPV4]: Use the {DEFINE|REF}_PROTO_INUSE infrastructure 2007-11-07 04:08:58 -08:00
xfrm4_input.c [IPSEC]: Use the correct family for input state lookup 2008-01-28 14:55:49 -08:00
xfrm4_mode_beet.c [IPSEC]: Separate inner/outer mode processing on input 2008-01-28 14:53:46 -08:00
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c [IPSEC]: Separate inner/outer mode processing on input 2008-01-28 14:53:46 -08:00
xfrm4_output.c [NETFILTER]: Introduce NF_INET_ hook values 2008-01-28 14:53:55 -08:00
xfrm4_policy.c [IPSEC]: Merge most of the output path 2008-01-28 14:53:48 -08:00
xfrm4_state.c [IPSEC]: Kill afinfo->nf_post_routing 2008-01-28 14:53:55 -08:00
xfrm4_tunnel.c