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* [NET]: Remove FASTCALL macroHarvey Harrison2008-01-28
| | | | | | | | X86_32 was the last user of the FASTCALL macro, now that it uses regparm(3) by default, this macro expands to nothing. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Add ICMP host relookup supportHerbert Xu2008-01-28
| | | | | | | | | | | | | | | RFC 4301 requires us to relookup ICMP traffic that does not match any policies using the reverse of its payload. This patch implements this for ICMP traffic that originates from or terminates on localhost. This is activated on outbound with the new policy flag XFRM_POLICY_ICMP, and on inbound by the new state flag XFRM_STATE_ICMP. On inbound the policy check is now performed by the ICMP protocol so that it can repeat the policy check where necessary. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Added xfrm_decode_session_reverse and xfrmX_policy_check_reverseHerbert Xu2008-01-28
| | | | | | | | | | RFC 4301 requires us to relookup ICMP traffic that does not match any policies using the reverse of its payload. This patch adds the functions xfrm_decode_session_reverse and xfrmX_policy_check_reverse so we can get the reverse flow to perform such a lookup. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Make xfrm_lookup flags argument a bit-fieldHerbert Xu2008-01-28
| | | | | | | | | | | | | This patch introduces an enum for bits in the flags argument of xfrm_lookup. This is so that we can cram more information into it later. Since all current users use just the values 0 and 1, XFRM_LOOKUP_WAIT has been added with the value 1 << 0 to represent the current meaning of flags. The test in __xfrm_lookup has been changed accordingly. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: separate af_packet netns dataDenis V. Lunev2008-01-28
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: struct net content re-work (v3)Denis V. Lunev2008-01-28
| | | | | | | | | | | | | | | Recently David Miller and Herbert Xu pointed out that struct net becomes overbloated and un-maintainable. There are two solutions: - provide a pointer to a network subsystem definition from struct net. This costs an additional dereferrence - place sub-system definition into the structure itself. This will speedup run-time access at the cost of recompilation time The second approach looks better for us. Other sub-systems will follow. Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AF_UNIX]: Remove unused declaration of sysctl_unix_max_dgram_qlen.Denis V. Lunev2008-01-28
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: make the protocol initialization to return an error codeDaniel Lezcano2008-01-28
| | | | | | | | | | | | | This patchset makes the different protocols to return an error code, so the af_inet6 module can check the initialization was correct or not. The raw6 was taken into account to be consistent with the rest of the protocols, but the registration is at the same place. Because the raw6 has its own init function, the proto and the ops structure can be moved inside the raw6.c file. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: make inet6_register_protosw to return an error codeDaniel Lezcano2008-01-28
| | | | | | | | | This patch makes the inet6_register_protosw to return an error code. The different protocols can be aware the registration was successful or not and can pass the error to the initial caller, af_inet6. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: make frag to return an error at initializationDaniel Lezcano2008-01-28
| | | | | | | | This patch makes the frag_init to return an error code, so the af_inet6 module can handle the error. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: make extended headers to return an error at initializationDaniel Lezcano2008-01-28
| | | | | | | | | | This patch factorize the code for the differents init functions for rthdr, nodata, destopt in a single function exthdrs_init. This function returns an error so the af_inet6 module can check correctly the initialization. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: make flowlabel to return an errorDaniel Lezcano2008-01-28
| | | | | | | | | | This patch makes the flowlab subsystem to return an error code and makes some cleanup with procfs ifdefs. The af_inet6 will use the flowlabel init return code to check the initialization was correct. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Add xfrm_input_state helperHerbert Xu2008-01-28
| | | | | | | | | | This patch adds the xfrm_input_state helper function which returns the current xfrm state being processed on the input path given an sk_buff. This is currently only used by xfrm_input but will be used by ESP upon asynchronous resumption. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Remove unused "mibalign" argument for snmp_mib_init().YOSHIFUJI Hideaki2008-01-28
| | | | | | | | With fixes from Arnaldo Carvalho de Melo. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: last default route is a fib table propertyDenis V. Lunev2008-01-28
| | | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: route6 remove ifdef for fib_rulesDaniel Lezcano2008-01-28
| | | | | | | | | | The patch defines the usual static inline functions when the code is disabled for fib6_rules. That's allow to remove some ifdef in route.c file and make the code a little more clear. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: remove ifdef in route6 for xfrm6Daniel Lezcano2008-01-28
| | | | | | | | | | The following patch create the usual static inline functions to disable the xfrm6_init and xfrm6_fini function when XFRM is off. That's allow to remove some ifdef and make the code a little more clear. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] sysctl: make sysctl_somaxconn per-namespacePavel Emelyanov2008-01-28
| | | | | | | | | | | | Just move the variable on the struct net and adjust its usage. Others sysctls from sys.net.core table are more difficult to virtualize (i.e. make them per-namespace), but I'll look at them as well a bit later. Signed-off-by: Pavel Emelyanov <xemul@oenvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] sysctl: make the sys.net.core sysctls per-namespacePavel Emelyanov2008-01-28
| | | | | | | | | | | | | | | | | Making them per-namespace is required for the following two reasons: First, some ctl values have a per-namespace meaning. Second, making them writable from the sub-namespace is an isolation hole. So I introduce the pernet operations to create these tables. For init_net I use the existing statically declared tables, for sub-namespace they are duplicated and the write bits are removed from the mode. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SNMP]: Remove unused devconf macros.Pavel Emelyanov2008-01-28
| | | | | | | | The SNMP_INC_STATS_OFFSET_BH is used only by ICMP6_INC_STATS_OFFSET_BH. The ICMP6_INC_STATS_OFFSET_BH is unused. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Remove ip_fib_local_table and ip_fib_main_table defines.Eric W. Biederman2008-01-28
| | | | | | | | | | There are only 2 users and it doesn't hurt to call fib_get_table instead, and it makes it easier to make the fib network namespace aware. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Make ip6_route_init to return an error code.Daniel Lezcano2008-01-28
| | | | | | | | | | | | | | | The route initialization function does not return any value to notify if the initialization is successful or not. This patch checks all calls made for the initilization in order to return a value for the caller. Unfortunately, proc_net_fops_create will return a NULL pointer if CONFIG_PROC_FS is off, so we can not check the return code without an ifdef CONFIG_PROC_FS block in the ip6_route_init function. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Make fib6_rules_init to return an error code.Daniel Lezcano2008-01-28
| | | | | | | | | | When the fib_rules initialization finished, no return code is provided so there is no way to know, for the caller, if the initialization has been successful or has failed. This patch fix that. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Make xfrm6_init to return an error code.Daniel Lezcano2008-01-28
| | | | | | | | | | | The xfrm initialization function does not return any error code, so if there is an error, the caller can not be advise of that. This patch checks the return code of the different called functions in order to return a successful or failed initialization. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Make fib6_init to return an error code.Daniel Lezcano2008-01-28
| | | | | | | | | | If there is an error in the initialization function, nothing is followed up to the caller. So I add a return value to be set for the init function. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Mark attribute construction exception unlikelyPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [UDP]: Restore missing inDatagrams incrementsHerbert Xu2008-01-28
| | | | | | | | | | | The previous move of the the UDP inDatagrams counter caused the counting of encapsulated packets, SUNRPC data (as opposed to call) packets and RXRPC packets to go missing. This patch restores all of these. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Use ctl paths to register net/ipv4/ tablePavel Emelyanov2008-01-28
| | | | | | | | | This is the same as I did for the net/core/ table in the second patch in his series: use the paths and isolate the whole table in the .c file. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Isolate the net/core/ sysctl tablePavel Emelyanov2008-01-28
| | | | | | | | | | | Using ctl paths we can put all the stuff, related to net/core/ sysctl table, into one file and remove all the references on it. As a good side effect this hides the "core_table" name from the global scope :) Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_queue: move list_head/skb/id to struct nf_infoPatrick McHardy2008-01-28
| | | | | | | | | | | | Move common fields for queue management to struct nf_info and rename it to struct nf_queue_entry. The avoids one allocation/free per packet and simplifies the code a bit. Alternatively we could add some private room at the tail, but since all current users use identical structs this seems easier. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_queue: move queueing related functions/struct to seperate headerPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: add RATEEST targetPatrick McHardy2008-01-28
| | | | | | | | | Add new rate estimator target (using gen_estimator). In combination with the rateest match (next patch) this can be used for load-based multipath routing. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Constify include/net/dsfield.hJan Engelhardt2008-01-28
| | | | | | | | Constify include/net/dsfield.h 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>
* [IPV4]: Add inet_dev_addr_type()Laszlo Attila Toth2008-01-28
| | | | | | | | | Address type search can be limited to an interface by inet_dev_addr_type function. Signed-off-by: Laszlo Attila Toth <panther@balabit.hu> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: netns compilation speedupDenis V. Lunev2008-01-28
| | | | | | | | This patch speedups compilation when net_namespace.h is changed. Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Use the correct family for input state lookupHerbert Xu2008-01-28
| | | | | | | | | | | | | When merging the input paths of IPsec I accidentally left a hard-coded AF_INET for the state lookup call. This broke IPv6 obviously. This patch fixes by getting the input callers to specify the family through skb->cb. Credit goes to Kazunori Miyazawa for diagnosing this and providing an initial patch. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Abstract tp->highest_sack accessing & point to next skbIlpo Järvinen2008-01-28
| | | | | | | | | Pointing to the next skb is necessary to avoid referencing already SACKed skbs which will soon be on a separate list. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Add tcp_for_write_queue_from_safe and use it in mtu_probeIlpo Järvinen2008-01-28
| | | | | | Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoidIlpo Järvinen2008-01-28
| | | | | | Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* mac80211: adding 802.11n configuration flowsRon Rindjunsky2008-01-28
| | | | | | | | | | | This patch configures the 802.11n mode of operation internally in ieee80211_conf structure and in the low-level driver as well (through op conf_ht). It does not include AP configuration flows. Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mac80211: adding 802.11n HT framework definitionsRon Rindjunsky2008-01-28
| | | | | | | | | | | | | | | | | New structures: - ieee80211_ht_info: describing STA's HT capabilities - ieee80211_ht_bss_info: describing BSS's HT characteristics Changed structures: - ieee80211_hw_mode: now also holds PHY HT capabilities for each HW mode - ieee80211_conf: ht_conf holds current self HT configuration ht_bss_conf holds current BSS HT configuration - flag IEEE80211_CONF_SUPPORT_HT_MODE added to indicate if HT use is desired - sta_info: now also holds Peer's HT capabilities Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mac80211: make ieee80211_iterate_active_interfaces not need rtnlJohannes Berg2008-01-28
| | | | | | | | | | | | | | Interface iteration in mac80211 can be done without holding any locks because I converted it to RCU. Initially, I thought this wouldn't be needed for ieee80211_iterate_active_interfaces but it's turning out that multi-BSS AP support can be much simpler in a driver if ieee80211_iterate_active_interfaces can be called without holding locks. This converts it to use RCU, it adds a requirement that the callback it invokes cannot sleep. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [UNIX]: Make the unix sysctl tables per-namespacePavel Emelyanov2008-01-28
| | | | | | | | | | | | | | This is the core. * add the ctl_table_header on the struct net; * make the unix_sysctl_register and _unregister clone the table; * moves calls to them into per-net init and exit callbacks; * move the .data pointer in the proper place. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [UNIX]: Move the sysctl_unix_max_dgram_qlenPavel Emelyanov2008-01-28
| | | | | | | | | | | | | This will make all the sub-namespaces always use the default value (10) and leave the tuning via sysctl to the init namespace only. Per-namespace tuning is coming. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [UNIX]: Extend unix_sysctl_(un)register prototypesPavel Emelyanov2008-01-28
| | | | | | | | | | | | | Add the struct net * argument to both of them to use in the future. Also make the register one return an error code. It is useless right now, but will make the future patches much simpler. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Implement the per network namespace sysctl infrastructureEric W. Biederman2008-01-28
| | | | | | | | | | | | | | | | | | | The user interface is: register_net_sysctl_table and unregister_net_sysctl_table. Very much like the current interface except there is a network namespace parameter. With this any sysctl registered with register_net_sysctl_table will only show up to tasks in the same network namespace. All other sysctls continue to be globally visible. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Serge Hallyn <serue@us.ibm.com> Cc: Daniel Lezcano <dlezcano@fr.ibm.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Move netfilter checksum helpers to net/core/utils.cPatrick McHardy2008-01-28
| | | | | | | | | | This allows to get rid of the CONFIG_NETFILTER dependency of NET_ACT_NAT. This patch redefines the old names to keep the noise low, the next patch converts all users. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Add RFC4214 supportFred L. Templin2008-01-28
| | | | | | | | | | | | | | | | | | This patch includes support for the Intra-Site Automatic Tunnel Addressing Protocol (ISATAP) per RFC4214. It uses the SIT module, and is configured using extensions to the "iproute2" utility. The diffs are specific to the Linux 2.6.24-rc2 kernel distribution. This version includes the diff for ./include/linux/if.h which was missing in the v2.4 submission and is needed to make the patch compile. The patch has been installed, compiled and tested in a clean 2.6.24-rc2 kernel build area. Signed-off-by: Fred L. Templin <fred.l.templin@boeing.com> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Eliminate unused argument from sk_stream_alloc_pskbPavel Emelyanov2008-01-28
| | | | | | | | | | | | | | | | | | | | | | | | The 3rd argument is always zero (according to grep :) Eliminate it and merge the function with sk_stream_alloc_skb. This saves 44 more bytes, and together with the previous patch we have: add/remove: 1/0 grow/shrink: 0/8 up/down: 183/-751 (-568) function old new delta sk_stream_alloc_skb - 183 +183 ip_rt_init 529 525 -4 arp_ignore 112 107 -5 __inet_lookup_listener 284 274 -10 tcp_sendmsg 2583 2481 -102 tcp_sendpage 1449 1300 -149 tso_fragment 417 258 -159 tcp_fragment 1149 988 -161 __tcp_push_pending_frames 1998 1837 -161 Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Uninline the sk_stream_alloc_pskbPavel Emelyanov2008-01-28
| | | | | | | | | | | | | | | | | | | | This function seems too big for inlining. Indeed, it saves half-a-kilo when uninlined: add/remove: 1/0 grow/shrink: 0/7 up/down: 195/-719 (-524) function old new delta sk_stream_alloc_pskb - 195 +195 ip_rt_init 529 525 -4 __inet_lookup_listener 284 274 -10 tcp_sendmsg 2583 2486 -97 tcp_sendpage 1449 1305 -144 tso_fragment 417 267 -150 tcp_fragment 1149 992 -157 __tcp_push_pending_frames 1998 1841 -157 Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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