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b20ab9cc63
linux/net/ipv4/netfilter
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Pablo Neira Ayuso b20ab9cc63 netfilter: nf_ct_helper: better logging for dropped packets 
Connection tracking helpers have to drop packets under exceptional
situations. Currently, the user gets the following logging message
in case that happens:

	nf_ct_%s: dropping packet ...

However, depending on the helper, there are different reasons why a
packet can be dropped.

This patch modifies the existing code to provide more specific
error message in the scope of each helper to help users to debug
the reason why the packet has been dropped, ie:

	nf_ct_%s: dropping packet: reason ...

Thanks to Joe Perches for many formatting suggestions.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-02-19 02:48:05 +01:00
..
arp_tables.c netfilter: Use IS_ERR_OR_NULL(). 2013-01-22 14:28:29 -05:00
arpt_mangle.c netfilter: arpt_mangle: fix return values of checkentry 2011-02-01 16:03:46 +01:00
arptable_filter.c
ip_tables.c netfilter: Use IS_ERR_OR_NULL(). 2013-01-22 14:28:29 -05:00
ipt_ah.c netfilter: xtables: change hotdrop pointer to direct modification 2010-05-11 18:35:27 +02:00
ipt_CLUSTERIP.c net: remove obsolete simple_strto<foo> 2012-12-10 14:09:00 -05:00
ipt_ECN.c netfilter: xtables: substitute temporary defines by final name 2010-05-11 18:31:17 +02:00
ipt_MASQUERADE.c netfilter: ip6tables: add MASQUERADE target 2012-08-30 03:00:18 +02:00
ipt_REJECT.c netfilter: ip[6]t_REJECT: fix wrong transport header pointer in TCP reset 2012-12-16 23:27:35 +01:00
ipt_rpfilter.c net: Loopback ifindex is constant now 2012-08-09 16:18:07 -07:00
ipt_ULOG.c net: remove redundant check for timer pending state before del_timer 2013-02-04 13:26:49 -05:00
iptable_filter.c netfilter: remove unnecessary goto statement for error recovery 2012-08-22 19:17:38 +02:00
iptable_mangle.c netfilter: remove unnecessary goto statement for error recovery 2012-08-22 19:17:38 +02:00
iptable_nat.c netfilter: nf_nat: Also handle non-ESTABLISHED routing changes in MASQUERADE 2012-12-16 23:28:30 +01:00
iptable_raw.c netfilter: remove unnecessary goto statement for error recovery 2012-08-22 19:17:38 +02:00
iptable_security.c netfilter: PTR_RET can be used 2012-08-14 02:31:47 +02:00
Kconfig netfilter: combine ipt_REDIRECT and ip6t_REDIRECT 2012-09-21 12:12:05 +02:00
Makefile netfilter: combine ipt_REDIRECT and ip6t_REDIRECT 2012-09-21 12:12:05 +02:00
nf_conntrack_l3proto_ipv4_compat.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
nf_conntrack_l3proto_ipv4.c netfilter: nf_ct_helper: better logging for dropped packets 2013-02-19 02:48:05 +01:00
nf_conntrack_proto_icmp.c netfilter: nf_conntrack: generalize nf_ct_l4proto_net 2012-07-04 19:37:22 +02:00
nf_defrag_ipv4.c netfilter: ipv4, defrag: switch hook PFs to nfproto 2012-06-07 14:58:42 +02:00
nf_nat_h323.c netfilter: add protocol independent NAT core 2012-08-30 03:00:14 +02:00
nf_nat_l3proto_ipv4.c netfilter: add protocol independent NAT core 2012-08-30 03:00:14 +02:00
nf_nat_pptp.c netfilter: add protocol independent NAT core 2012-08-30 03:00:14 +02:00
nf_nat_proto_gre.c netfilter: add protocol independent NAT core 2012-08-30 03:00:14 +02:00
nf_nat_proto_icmp.c netfilter: add protocol independent NAT core 2012-08-30 03:00:14 +02:00
nf_nat_snmp_basic.c net: Remove casts to same type 2012-06-04 11:45:11 -04:00