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* [Bluetooth]: Fix sparse warnings (__nocast type)Victor Fusco2005-08-29
| | | | | | | | | | This patch fixes the sparse warnings "implicit cast to nocast type" for the priority or gfp_mask parameters of the memory allocations. Signed-off-by: Victor Fusco <victor@cetuc.puc-rio.br> Signed-off-by: Domen Puncer <domen@coderock.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [Bluetooth]: Implement RFCOMM remote port negotiationJ. Suter2005-08-29
| | | | | | | | | This patch implements the remote port negotiation (RPN) of the RFCOMM protocol for Bluetooth. Signed-off-by: J. Suter <jsuter@hardwave.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [Bluetooth]: Track page scan repetition mode changesMarcel Holtmann2005-08-29
| | | | | | | | | | The HCI page scan repetition mode change event contains the actual page scan repetition mode for the remote device. It is the same value that is received from an inquiry response and it can be used to make further reconnections faster. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [Bluetooth]: Workaround for inquiry results with RSSI and page scan modeMarcel Holtmann2005-08-29
| | | | | | | | | This patch implements a workaround for buggy Bluetooth 1.2 devices from Silicon Wave. Their inquiry results with RSSI contain the page scan mode field. This field was removed in the final Bluetooth 1.2 specification. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: New iptables DCCP protocol header matchHarald Welte2005-08-29
| | | | | | | | | | Using this new iptables DCCP protocol header match, it is possible to create simplistic stateless packet filtering rules for DCCP. It permits matching of port numbers, packet type and options. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Fix struct sockaddr_dccp definitionArnaldo Carvalho de Melo2005-08-29
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: make <linux/dccp.h> include-able from userspaceHarald Welte2005-08-29
| | | | | | | | | | | | | | | The protocol header files in <linux/foo.h> are usually structured in a way to be included by userspace code. The top section consists of general protocol structure definitions, typedefs, enums - followed by an #ifdef __KERNEL__ section. Currently <linux/dccp.h> doesn't follow that convention and can therefore not be used from userspace. However, for example iptables' libipt_dccp.c actually needs various definitions from there. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: check nf_log function call argumentsHarald Welte2005-08-29
| | | | | | | Check whether pf is too large in order to prevent array overflow. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: add /proc/net/netfilter interface to nf_queueHarald Welte2005-08-29
| | | | | | | | | | | This patch adds a /proc/net/netfilter/nf_queue file, similar to the recently-added /proc/net/netfilter/nf_log. It indicates which queue handler is registered to which protocol family. This is useful since there are now multiple queue handlers in the treee (ip[6]_queue, nfnetlink_queue). Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: add correct bridging support to nfnetlink_{queue,log}Harald Welte2005-08-29
| | | | | | | | | | | | This patch adds support for passing the real 'physical' device ifindex down to userspace via nfnetlink_log and nfnetlink_queue. This feature basically obsoletes net/bridge/netfilter/ebt_ulog.c, and it is likely ebt_ulog.c will die with one of the next couple of patches. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [LIST]: Introduce list_for_each_entry_safe_continueArnaldo Carvalho de Melo2005-08-29
| | | | | | | Used in the dccp CCID3 code, that is going to be submitted RSN. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ICSK]: Move generalised functions from tcp to inet_connection_sockArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | This also improves reqsk_queue_prune and renames it to inet_csk_reqsk_queue_prune, as it deals with both inet_connection_sock and inet_request_sock objects, not just with request_sock ones thus belonging to inet_request_sock. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Initial implementationArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | | | | | | Development to this point was done on a subversion repository at: http://oops.ghostprotocols.net:81/cgi-bin/viewcvs.cgi/dccp-2.6/ This repository will be kept at this site for the foreseable future, so that interested parties can see the history of this code, attributions, etc. If I ever decide to take this offline I'll provide the full history at some other suitable place. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [RANDOM]: Introduce secure_dccp_sequence_numberArnaldo Carvalho de Melo2005-08-29
| | | | | | | Code contributed by Stephen Hemminger. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ICSK]: Introduce reqsk_queue_prune from code in tcp_synack_timerArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | With this we're very close to getting all of the current TCP refactorings in my dccp-2.6 tree merged, next changeset will export some functions needed by the current DCCP code and then dccp-2.6.git will be born! Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ICSK]: Generalise tcp_listen_{start,stop}Arnaldo Carvalho de Melo2005-08-29
| | | | | | | | | This also moved inet_iif from tcp to inet_hashtables.h, as it is needed by the inet_lookup callers, perhaps this needs a bit of polishing, but for now seems fine. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ICSK]: Introduce inet_csk_cloneArnaldo Carvalho de Melo2005-08-29
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Just move the inet_connection_sock function from tcp sourcesArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | Completing the previous changeset, this also generalises tcp_v4_synq_add, renaming it to inet_csk_reqsk_queue_hash_add, already geing used in the DCCP tree, which I plan to merge RSN. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Introduce inet_connection_sockArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | | | | This creates struct inet_connection_sock, moving members out of struct tcp_sock that are shareable with other INET connection oriented protocols, such as DCCP, that in my private tree already uses most of these members. The functions that operate on these members were renamed, using a inet_csk_ prefix while not being moved yet to a new file, so as to ease the review of these changes. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SOCK]: Introduce sk_cloneArnaldo Carvalho de Melo2005-08-29
| | | | | | | | Out of tcp_create_openreq_child, will be used in dccp_create_openreq_child, and is a nice sock function anyway. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET_TWSK]: Introduce inet_twsk_allocArnaldo Carvalho de Melo2005-08-29
| | | | | | | | With the parts of tcp_time_wait that are not TCP specific, tcp_time_wait uses it and so will dccp_time_wait. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Generalise the TCP sock ID lookup routinesArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | | | | | And also some TIME_WAIT functions. [acme@toy net-2.6.14]$ grep built-in /tmp/before.size /tmp/after.size /tmp/before.size: 282955 13122 9312 305389 4a8ed net/ipv4/built-in.o /tmp/after.size: 281566 13122 9312 304000 4a380 net/ipv4/built-in.o [acme@toy net-2.6.14]$ I kept them still inlined, will uninline at some point to see what would be the performance difference. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Generalise tcp_tw_bucket, aka TIME_WAIT socketsArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This paves the way to generalise the rest of the sock ID lookup routines and saves some bytes in TCPv4 TIME_WAIT sockets on distro kernels (where IPv6 is always built as a module): [root@qemu ~]# grep tw_sock /proc/slabinfo tw_sock_TCPv6 0 0 128 31 1 tw_sock_TCP 0 0 96 41 1 [root@qemu ~]# Now if a protocol wants to use the TIME_WAIT generic infrastructure it only has to set the sk_prot->twsk_obj_size field with the size of its inet_timewait_sock derived sock and proto_register will create sk_prot->twsk_slab, for now its only for INET sockets, but we can introduce timewait_sock later if some non INET transport protocolo wants to use this stuff. Next changesets will take advantage of this new infrastructure to generalise even more TCP code. [acme@toy net-2.6.14]$ grep built-in /tmp/before.size /tmp/after.size /tmp/before.size: 188646 11764 5068 205478 322a6 net/ipv4/built-in.o /tmp/after.size: 188144 11764 5068 204976 320b0 net/ipv4/built-in.o [acme@toy net-2.6.14]$ Tested with both IPv4 & IPv6 (::1 (localhost) & ::ffff:172.20.0.1 (qemu host)). Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Generalise tcp_v4_lookup_listenerArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | | [acme@toy net-2.6.14]$ grep built-in /tmp/before /tmp/after /tmp/before: 282560 13122 9312 304994 4a762 net/ipv4/built-in.o /tmp/after: 282560 13122 9312 304994 4a762 net/ipv4/built-in.o Will be used in DCCP, not exporting it right now not to get in Adrian Bunk's exported-but-not-used-on-modules radar 8) Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Generalise tcp_v4_hash & tcp_unhashArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | | | | | | It really just makes the existing code be a helper function that tcp_v4_hash and tcp_unhash uses, specifying the right inet_hashinfo, tcp_hashinfo. One thing I'll investigate at some point is to have the inet_hashinfo pointer in sk_prot, so that we get all the hashtable information from the sk pointer, this can lead to some extra indirections that may well hurt performance/code size, we'll see. Ultimate idea would be that sk_prot would provide _all_ the information about a protocol implementation. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Move the tcp sock states to net/tcp_states.hArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | Lots of places just needs the states, not even linux/tcp.h, where this enum was, needs it. This speeds up development of the refactorings as less sources are rebuilt when things get moved from net/tcp.h. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Generalise the tcp_listen_ lock routinesArnaldo Carvalho de Melo2005-08-29
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Move tcp_port_rover to inet_hashinfoArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | Also expose all of the tcp_hashinfo members, i.e. killing those tcp_ehash, etc macros, this will more clearly expose already generic functions and some that need just a bit of work to become generic, as we'll see in the upcoming changesets. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Generalise tcp_bind_hash & tcp_inherit_portArnaldo Carvalho de Melo2005-08-29
| | | | | | | This required moving tcp_bucket_cachep to inet_hashinfo. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: don't use nested attributes for conntrack_expectHarald Welte2005-08-29
| | | | | | | | | | We used to use nested nfattr structures for ip_conntrack_expect. This is bogus, since ip_conntrack and ip_conntrack_expect are communicated in different netlink message types. both should be encoded at the top level attributes, no extra nesting required. This patch addresses the issue. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: attribute count is an attribute of message type, not subsytemHarald Welte2005-08-29
| | | | | | | | | | | Prior to this patch, every nfnetlink subsystem had to specify it's attribute count. However, in reality the attribute count depends on the message type within the subsystem, not the subsystem itself. This patch moves 'attr_count' from 'struct nfnetlink_subsys' into nfnl_callback to fix this. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Fix multiple problems with the conntrack event cachePatrick McHardy2005-08-29
| | | | | | | | | | | | | | | | | | | | | | | refcnt underflow: the reference count is decremented when a conntrack entry is removed from the hash but it is not incremented when entering new entries. missing protection of process context against softirq context: all cache operations need to locally disable softirqs to avoid races. Additionally the event cache can't be initialized when a packet enteres the conntrack code but needs to be initialized whenever we cache an event and the stored conntrack entry doesn't match the current one. incorrect flushing of the event cache in ip_ct_iterate_cleanup: without real locking we can't flush the cache for different CPUs without incurring races. The cache for different CPUs can only be flushed when no packets are going through the code. ip_ct_iterate_cleanup doesn't need to drop all references, so flushing is moved to the cleanup path. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Move bind_hash from tcp_sk to inet_skArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | | | | | | | | | | | | | | This should really be in a inet_connection_sock, but I'm leaving it for a later optimization, when some more fields common to INET transport protocols now in tcp_sk or inet_sk will be chunked out into inet_connection_sock, for now its better to concentrate on getting the changes in the core merged to leave the DCCP tree with only DCCP specific code. Next changesets will take advantage of this move to generalise things like tcp_bind_hash, tcp_put_port, tcp_inherit_port, making the later receive a inet_hashinfo parameter, and even __tcp_tw_hashdance, etc in the future, when tcp_tw_bucket gets transformed into the struct timewait_sock hierarchy. tcp_destroy_sock also is eligible as soon as tcp_orphan_count gets moved to sk_prot. A cascade of incremental changes will ultimately make the tcp_lookup functions be fully generic. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Move the TCP hashtable functions/structs to inet_hashtables.[ch]Arnaldo Carvalho de Melo2005-08-29
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Just rename the TCP hashtable functions/structs to inet_Arnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | | | | | | | | | | | | | | | This is to break down the complexity of the series of patches, making it very clear that this one just does: 1. renames tcp_ prefixed hashtable functions and data structures that were already mostly generic to inet_ to share it with DCCP and other INET transport protocols. 2. Removes not used functions (__tb_head & tb_head) 3. Removes some leftover prototypes in the headers (tcp_bucket_unlock & tcp_v4_build_header) Next changesets will move tcp_sk(sk)->bind_hash to inet_sock so that we can make functions such as tcp_inherit_port, __tcp_inherit_port, tcp_v4_get_port, __tcp_put_port, generic and get others like tcp_destroy_sock closer to generic (tcp_orphan_count will go to sk->sk_prot to allow this). Eventually most of these functions will be used passing the transport protocol inet_hashinfo structure. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Move the TCP ehash functions to include/net/inet_hashtables.hArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | To be shared with DCCP (and others), this is the start of a series of patches that will expose the already generic TCP hash table routines. The few changes noticed when calling gcc -S before/after on a pentium4 were of this type: movl 40(%esp), %edx cmpl %esi, 472(%edx) je .L168 - pushl $291 + pushl $272 pushl $.LC0 pushl $.LC1 pushl $.LC2 [acme@toy net-2.6.14]$ size net/ipv4/tcp_ipv4.before.o net/ipv4/tcp_ipv4.after.o text data bss dec hex filename 17804 516 140 18460 481c net/ipv4/tcp_ipv4.before.o 17804 516 140 18460 481c net/ipv4/tcp_ipv4.after.o Holler if some weird architecture has issues with things like this 8) Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Add new "nfnetlink_log" userspace packet logging facilityHarald Welte2005-08-29
| | | | | | | | | This is a generic (layer3 independent) version of what ipt_ULOG is already doing for IPv4 today. ipt_ULOG, ebt_ulog and finally also ip[6]t_LOG will be deprecated by this mechanism in the long term. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Extend netfilter logging APIHarald Welte2005-08-29
| | | | | | | | | | | | | | | | | | | This patch is in preparation to nfnetlink_log: - loggers now have to register struct nf_logger instead of nf_logfn - nf_log_unregister() replaced by nf_log_unregister_pf() and nf_log_unregister_logger() - add comment to ip[6]t_LOG.h to assure nobody redefines flags - add /proc/net/netfilter/nf_log to tell user which logger is currently registered for which address family - if user has configured logging, but no logging backend (logger) is available, always spit a message to syslog, not just the first time. - split ip[6]t_LOG.c into two parts: Backend: Always try to register as logger for the respective address family Frontend: Always log via nf_log_packet() API - modify all users of nf_log_packet() to accomodate additional argument Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Add refcounting and /proc/net/netfilter interface to ↵Harald Welte2005-08-29
| | | | | | | nfnetlink_queue Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Introduce inet_sk_rebuild_headerArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | | From tcp_v4_rebuild_header, that already was pretty generic, I only needed to use sk->sk_protocol instead of the hardcoded IPPROTO_TCP and establish the requirement that INET transport layer protocols that want to use this function map TCP_SYN_SENT to its equivalent state. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SOCK]: Introduce sk_setup_capsArnaldo Carvalho de Melo2005-08-29
| | | | | | | | | From tcp_v4_setup_caps, that always is preceded by a call to __sk_dst_set, so coalesce this sequence into sk_setup_caps, removing one call to a TCP function in the IP layer. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SOCK]: Rename __tcp_v4_rehash to __sk_prot_rehashArnaldo Carvalho de Melo2005-08-29
| | | | | | | This operation was already generic and DCCP will use it. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Cleanup INET_REFCNT_DEBUG codeArnaldo Carvalho de Melo2005-08-29
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4/6]: Check if packet was actually delivered to a raw socket to decide ↵Patrick McHardy2005-08-29
| | | | | | | whether to send an ICMP unreachable Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Check interface bindings on IPv6 raw socket receptionAndrew McDonald2005-08-29
| | | | | | | | | Take account of whether a socket is bound to a particular device when selecting an IPv6 raw socket to receive a packet. Also perform this check when receiving IPv6 packets with router alert options. Signed-off-by: Andrew McDonald <andrew@mcdonald.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Add "nfnetlink_queue" netfilter queue handler over nfnetlinkHarald Welte2005-08-29
| | | | | | | | | | - Add new nfnetlink_queue module - Add new ipt_NFQUEUE and ip6t_NFQUEUE modules to access queue numbers 1-65535 - Mark ip_queue and ip6_queue Kconfig options as OBSOLETE - Update feature-removal-schedule to remove ip[6]_queue in December Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Core changes required by upcoming nfnetlink_queue codeHarald Welte2005-08-29
| | | | | | | | | | | | | | | | - split netfiler verdict in 16bit verdict and 16bit queue number - add 'queuenum' argument to nf_queue_outfn_t and its users ip[6]_queue - move NFNL_SUBSYS_ definitions from enum to #define - introduce autoloading for nfnetlink subsystem modules - add MODULE_ALIAS_NFNL_SUBSYS macro - add nf_unregister_queue_handlers() to register all handlers for a given nf_queue_outfn_t - add more verbose DEBUGP macro definition to nfnetlink.c - make nfnetlink_subsys_register fail if subsys already exists - add some more comments and debug statements to nfnetlink.c Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Move reroute-after-queue code up to the nf_queue layer.Harald Welte2005-08-29
| | | | | | | | The rerouting functionality is required by the core, therefore it has to be implemented by the core and not in individual queue handlers. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Add properly module refcounting for kernel netlink sockets.Harald Welte2005-08-29
| | | | | | | | | | | - Remove bogus code for compiling netlink as module - Add module refcounting support for modules implementing a netlink protocol - Add support for autoloading modules that implement a netlink protocol as soon as someone opens a socket for that protocol Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Rename skb_ip_make_writable() to skb_make_writable()Harald Welte2005-08-29
| | | | | | | | | There is nothing IPv4-specific in it. In fact, it was already used by IPv6, too... Upcoming nfnetlink_queue code will use it for any kind of packet. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>