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* netfilter: xtables: substitute temporary defines by final nameJan Engelhardt2010-05-111-2/+2
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: slightly better error reportingJan Engelhardt2010-03-251-1/+1
| | | | | | | | | When extended status codes are available, such as ENOMEM on failed allocations, or subsequent functions (e.g. nf_ct_get_l3proto), passing them up to userspace seems like a good idea compared to just always EINVAL. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: change targets to return error codeJan Engelhardt2010-03-251-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Part of the transition of done by this semantic patch: // <smpl> @ rule1 @ struct xt_target ops; identifier check; @@ ops.checkentry = check; @@ identifier rule1.check; @@ check(...) { <... -return true; +return 0; ...> } @@ identifier rule1.check; @@ check(...) { <... -return false; +return -EINVAL; ...> } // </smpl> Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: change xt_target.checkentry return typeJan Engelhardt2010-03-251-1/+1
| | | | | | | | | | | | | | | | | | | | Restore function signatures from bool to int so that we can report memory allocation failures or similar using -ENOMEM rather than always having to pass -EINVAL back. // <smpl> @@ type bool; identifier check, par; @@ -bool check +int check (struct xt_tgchk_param *par) { ... } // </smpl> Minus the change it does to xt_ct_find_proto. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: make use of caller family rather than target familyJan Engelhardt2010-03-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Supplement to aa5fa3185791aac71c9172d4fda3e8729164b5d1. The semantic patch for this change is: // <smpl> @@ struct xt_target_param *par; @@ -par->target->family +par->family @@ struct xt_tgchk_param *par; @@ -par->target->family +par->family @@ struct xt_tgdtor_param *par; @@ -par->target->family +par->family // </smpl> Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xt_NFQUEUE: consolidate v4/v6 targets into oneJan Engelhardt2010-03-171-28/+12
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: do not grab random bytes at __initJan Engelhardt2010-01-041-1/+5
| | | | | | | | "It is deliberately not done in the init function, since we might not have sufficient random while booting." Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* netfilter: fix some sparse endianess warningsPatrick McHardy2009-06-221-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | net/netfilter/xt_NFQUEUE.c:46:9: warning: incorrect type in assignment (different base types) net/netfilter/xt_NFQUEUE.c:46:9: expected unsigned int [unsigned] [usertype] ipaddr net/netfilter/xt_NFQUEUE.c:46:9: got restricted unsigned int net/netfilter/xt_NFQUEUE.c:68:10: warning: incorrect type in assignment (different base types) net/netfilter/xt_NFQUEUE.c:68:10: expected unsigned int [unsigned] <noident> net/netfilter/xt_NFQUEUE.c:68:10: got restricted unsigned int net/netfilter/xt_NFQUEUE.c:69:10: warning: incorrect type in assignment (different base types) net/netfilter/xt_NFQUEUE.c:69:10: expected unsigned int [unsigned] <noident> net/netfilter/xt_NFQUEUE.c:69:10: got restricted unsigned int net/netfilter/xt_NFQUEUE.c:70:10: warning: incorrect type in assignment (different base types) net/netfilter/xt_NFQUEUE.c:70:10: expected unsigned int [unsigned] <noident> net/netfilter/xt_NFQUEUE.c:70:10: got restricted unsigned int net/netfilter/xt_NFQUEUE.c:71:10: warning: incorrect type in assignment (different base types) net/netfilter/xt_NFQUEUE.c:71:10: expected unsigned int [unsigned] <noident> net/netfilter/xt_NFQUEUE.c:71:10: got restricted unsigned int net/netfilter/xt_cluster.c:20:55: warning: incorrect type in return expression (different base types) net/netfilter/xt_cluster.c:20:55: expected unsigned int net/netfilter/xt_cluster.c:20:55: got restricted unsigned int const [usertype] ip net/netfilter/xt_cluster.c:20:55: warning: incorrect type in return expression (different base types) net/netfilter/xt_cluster.c:20:55: expected unsigned int net/netfilter/xt_cluster.c:20:55: got restricted unsigned int const [usertype] ip Signed-off-by: Patrick McHardy <kaber@trash.net>
* netfilter: xt_NFQUEUE: queue balancing supportFlorian Westphal2009-06-051-0/+93
| | | | | | | | | | | | | | | | Adds support for specifying a range of queues instead of a single queue id. Flows will be distributed across the given range. This is useful for multicore systems: Instead of having a single application read packets from a queue, start multiple instances on queues x, x+1, .. x+n. Each instance can process flows independently. Packets for the same connection are put into the same queue. Signed-off-by: Holger Eitzenberger <heitzenberger@astaro.com> Signed-off-by: Florian Westphal <fwestphal@astaro.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
* netfilter: xt_NFQUEUE: use NFPROTO_UNSPECFlorian Westphal2009-06-051-15/+1
| | | | | | | | | We can use wildcard matching here, just like ab4f21e6fb1c09b13c4c3cb8357babe8223471bd ("xtables: use NFPROTO_UNSPEC in more extensions"). Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* netfilter: replace old NF_ARP calls with NFPROTO_ARPJan Engelhardt2008-10-201-1/+1
| | | | | | | | | | | | (Supplements: ee999d8b9573df1b547aacdc6d79f86eb79c25cd) NFPROTO_ARP actually has a different value from NF_ARP, so ensure all callers use the new value so that packets _do_ get delivered to the registered hooks. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* netfilter: xtables: move extension arguments into compound structure (4/6)Jan Engelhardt2008-10-081-4/+2
| | | | | | | This patch does this for target extensions' target functions. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* netfilter: x_tables: use NFPROTO_* in extensionsJan Engelhardt2008-10-081-2/+2
| | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* [NETFILTER]: Update modules' descriptionsJan Engelhardt2008-01-281-1/+1
| | | | | | | | | | Updates the MODULE_DESCRIPTION() tags for all Netfilter modules, actually describing what the module does and not just "netfilter XYZ target". Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: consistent and unique symbol namesJan Engelhardt2008-01-281-17/+13
| | | | | | | | Give all Netfilter modules consistent and unique symbol names. Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Replace sk_buff ** with sk_buff *Herbert Xu2007-10-151-1/+1
| | | | | | | | | With all the users of the double pointers removed, this patch mops up by finally replacing all occurances of sk_buff ** in the netfilter API by sk_buff *. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: mark matches and targets __read_mostlyPatrick McHardy2007-07-101-1/+1
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Fix whitespace errorsYOSHIFUJI Hideaki2007-02-121-2/+2
| | | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: fix cut-and-paste error in exit functionsPatrick McHardy2006-10-151-1/+1
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: remove unused argument to target functionsPatrick McHardy2006-09-221-2/+1
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: make use of mass registation helpersPatrick McHardy2006-09-221-43/+25
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Rename init functions.Andrew Morton2006-03-281-4/+4
| | | | | | | | | | | | | | Every netfilter module uses `init' for its module_init() function and `fini' or `cleanup' for its module_exit() function. Problem is, this creates uninformative initcall_debug output and makes ctags rather useless. So go through and rename them all to $(filename)_init and $(filename)_fini. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: set the protocol family in x_tables targets/matchesPablo Neira Ayuso2006-03-221-8/+11
| | | | | | | | Set the family field in xt_[matches|targets] registered. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: add xt_{match,target} arguments to match/target functionsPatrick McHardy2006-03-201-0/+1
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Convert x_tables matches/targets to centralized error checkingPatrick McHardy2006-03-201-20/+3
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER] x_tables: Abstraction layer for {ip,ip6,arp}_tablesHarald Welte2006-01-121-0/+107
This monster-patch tries to do the best job for unifying the data structures and backend interfaces for the three evil clones ip_tables, ip6_tables and arp_tables. In an ideal world we would never have allowed this kind of copy+paste programming... but well, our world isn't (yet?) ideal. o introduce a new x_tables module o {ip,arp,ip6}_tables depend on this x_tables module o registration functions for tables, matches and targets are only wrappers around x_tables provided functions o all matches/targets that are used from ip_tables and ip6_tables are now implemented as xt_FOOBAR.c files and provide module aliases to ipt_FOOBAR and ip6t_FOOBAR o header files for xt_matches are in include/linux/netfilter/, include/linux/netfilter_{ipv4,ipv6} contains compatibility wrappers around the xt_FOOBAR.h headers Based on this patchset we're going to further unify the code, gradually getting rid of all the layer 3 specific assumptions. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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