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2006-03-20[DCCP] ipv4: make struct dccp_v4_prot staticAdrian Bunk
There's no reason for struct dccp_v4_prot being global. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: Fix some code/comment formatting in ip6_dst_output().David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV4]: fib_trie stats fixRobert Olsson
fib_triestats has been buggy and caused oopses some platforms as openwrt. The patch below should cure those problems. Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV4]: fib_trie initialzation fixRobert Olsson
In some kernel configs /proc functions seems to be accessed before the trie is initialized. The patch below checks for this. Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[TCP] mtu probing: move tcp-specific data out of inet_connection_sockJohn Heffner
This moves some TCP-specific MTU probing state out of inet_connection_sock back to tcp_sock. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[AF_UNIX]: use shift instead of integer divisionBenjamin LaHaise
The patch below replaces a divide by 2 with a shift -- sk_sndbuf is an integer, so gcc emits an idiv, which takes 10x longer than a shift by 1. This improves af_unix bandwidth by ~6-10K/s. Also, tidy up the comment to fit in 80 columns while we're at it. Signed-off-by: Benjamin LaHaise <benjamin.c.lahaise@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET]: Uninline kfree_skb and allow NULL argumentJörn Engel
o Uninline kfree_skb, which saves some 15k of object code on my notebook. o Allow kfree_skb to be called with a NULL argument. Subsequent patches can remove conditional from drivers and further reduce source and object size. Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[LLC]: Fix sap refcountingArnaldo Carvalho de Melo
Thanks to Leslie Harlley Watter <leslie@watter.org> for reporting the problem an testing this patch. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[LLC]: Replace __inline__ with inlineArnaldo Carvalho de Melo
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[LLC]: Fix struct proto .nameArnaldo Carvalho de Melo
Cut'n'paste error from ddp_proto. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET] pktgen: Fix races between control/worker threads.Arthur Kepner
There's a race in pktgen which can lead to a double free of a pktgen_dev's skb. If a worker thread is in the midst of doing fill_packet(), and the controlling thread gets a "stop" message, the already freed skb can be freed once again in pktgen_stop_device(). This patch gives all responsibility for cleaning up a pktgen_dev's skb to the associated worker thread. Signed-off-by: Arthur Kepner <akepner@sgi.com> Acked-by: Robert Olsson <Robert.Olsson@data.slu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Move the IPv4 specific bits from proto.c to ipv4.cArnaldo Carvalho de Melo
With this patch in place we can break down the complexity by better compartmentalizing the code that is common to ipv6 and ipv4. Now we have these modules: Module Size Used by dccp_diag 1344 0 inet_diag 9448 1 dccp_diag dccp_ccid3 15856 0 dccp_tfrc_lib 12320 1 dccp_ccid3 dccp_ccid2 5764 0 dccp_ipv4 16996 2 dccp 48208 4 dccp_diag,dccp_ccid3,dccp_ccid2,dccp_ipv4 dccp_ipv6 still requires dccp_ipv4 due to dccp_ipv6_mapped, that is the next target to work on the "hey, ipv4 is legacy, I only want ipv6 dude!" direction. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Rename init_dccp_v4_mibs to dccp_mib_initArnaldo Carvalho de Melo
And introduce dccp_mib_exit grouping previously open coded sequence. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Move dccp_hashinfo from ipv4.c to the coreArnaldo Carvalho de Melo
As it is used by both ipv4 and ipv6. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Dont use dccp_v4_checksum in dccp_make_responseArnaldo Carvalho de Melo
dccp_make_response is shared by ipv4/6 and the ipv6 code was recalculating the checksum, not good, so move the dccp_v4_checksum call to dccp_v4_send_response. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Move dccp_[un]hash from ipv4.c to the coreArnaldo Carvalho de Melo
As this is used by both ipv4 and ipv6 and is not ipv4 specific. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Move dccp_v4_{init,destroy}_sock to the coreArnaldo Carvalho de Melo
Removing one more ipv6 uses ipv4 stuff case in dccp land. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Generalize dccp_v4_send_resetArnaldo Carvalho de Melo
Renaming it to dccp_send_reset and moving it from the ipv4 specific code to the core dccp code. This fixes some bugs in IPV6 where timers would send v4 resets, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP] feat: Introduce sysctls for the default featuresArnaldo Carvalho de Melo
[root@qemu ~]# for a in /proc/sys/net/dccp/default/* ; do echo $a ; cat $a ; done /proc/sys/net/dccp/default/ack_ratio 2 /proc/sys/net/dccp/default/rx_ccid 3 /proc/sys/net/dccp/default/send_ackvec 1 /proc/sys/net/dccp/default/send_ndp 1 /proc/sys/net/dccp/default/seq_window 100 /proc/sys/net/dccp/default/tx_ccid 3 [root@qemu ~]# So if wanting to test ccid3 as the tx CCID one can just do: [root@qemu ~]# echo 3 > /proc/sys/net/dccp/default/tx_ccid [root@qemu ~]# echo 2 > /proc/sys/net/dccp/default/rx_ccid [root@qemu ~]# cat /proc/sys/net/dccp/default/[tr]x_ccid 2 3 [root@qemu ~]# Of course we also need the setsockopt for each app to tell its preferences, but for testing or defining something other than CCID2 as the default for apps that don't explicitely set their preference the sysctl interface is handy. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Call dccp_feat_init more early in dccp_v4_init_sockArnaldo Carvalho de Melo
So that dccp_feat_clean doesn't get confused with uninitialized list_heads. Noticed when testing with no ccid kernel modules. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Kconfig tidy upArnaldo Carvalho de Melo
Make CCID2 and CCID3 default to what was selected for DCCP and use the standard short description for the CCIDs (TCP-Like & TCP-Friendly). Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: sparse endianness annotationsAndrea Bittau
This also fixes the layout of dccp_hdr short sequence numbers, problem was not fatal now as we only support long (48 bits) sequence numbers. Signed-off-by: Andrea Bittau <a.bittau@cs.ucl.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: Fix skb->nf_bridge lifetime issuesPatrick McHardy
The bridge netfilter code simulates the NF_IP_PRE_ROUTING hook and skips the real hook by registering with high priority and returning NF_STOP if skb->nf_bridge is present and the BRNF_NF_BRIDGE_PREROUTING flag is not set. The flag is only set during the simulated hook. Because skb->nf_bridge is only freed when the packet is destroyed, the packet will not only skip the first invocation of NF_IP_PRE_ROUTING, but in the case of tunnel devices on top of the bridge also all further ones. Forwarded packets from a bridge encapsulated by a tunnel device and sent as locally outgoing packet will also still have the incorrect bridge information from the input path attached. We already have nf_reset calls on all RX/TX paths of tunnel devices, so simply reset the nf_bridge field there too. As an added bonus, the bridge information for locally delivered packets is now also freed when the packet is queued to a socket. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP] feat: Actually change the CCID upon negotiationAndrea Bittau
Change the CCID upon successful feature negotiation. Commiter note: patch mostly rewritten to use the new ccid API. Signed-off-by: Andrea Bittau <a.bittau@cs.ucl.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP] CCID: Improve CCID infrastructureArnaldo Carvalho de Melo
1. No need for ->ccid_init nor ->ccid_exit, this is what module_{init,exit} does and anynways neither ccid2 nor ccid3 were using it. 2. Rename struct ccid to struct ccid_operations and introduce struct ccid with a pointer to ccid_operations and rigth after it the rx or tx private state. 3. Remove the pointer to the state of the half connections from struct dccp_sock, now its derived thru ccid_priv() from the ccid pointer. Now we also can implement the setsockopt for changing the CCID easily as no ccid init routines can affect struct dccp_sock in any way that prevents other CCIDs from working if a CCID switch operation is asked by apps. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[PKT_SCHED]: Convert sch_red to a classful qdiscPatrick McHardy
Convert sch_red to a classful qdisc. All qdiscs that maintain accurate backlog counters are eligible as child qdiscs. When a queue limit larger than zero is given, a bfifo qdisc is used for backwards compatibility. Current versions of tc enforce a limit larger than zero, other users can avoid creating the default qdisc by using zero. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[XFRM]: Add some missing exports.David S. Miller
To fix the case of modular xfrm_user. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[XFRM]: Move xfrm_nl to xfrm_state.c from xfrm_user.cDavid S. Miller
xfrm_user could be modular, and since generic code uses this symbol now... Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[XFRM]: Make sure xfrm_replay_timer_handler() is declared early enough.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPSEC]: Sync series - policy expiresJamal Hadi Salim
This is similar to the SA expire insertion patch - only it inserts expires for SP. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPSEC]: Sync series - SA expiresJamal Hadi Salim
This patch allows a user to insert SA expires. This is useful to do on an HA backup for the case of byte counts but may not be very useful for the case of time based expiry. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPSEC]: Sync series - acquire insertJamal Hadi Salim
This introduces a feature similar to the one described in RFC 2367: " ... the application needing an SA sends a PF_KEY SADB_ACQUIRE message down to the Key Engine, which then either returns an error or sends a similar SADB_ACQUIRE message up to one or more key management applications capable of creating such SAs. ... ... The third is where an application-layer consumer of security associations (e.g. an OSPFv2 or RIPv2 daemon) needs a security association. Send an SADB_ACQUIRE message from a user process to the kernel. <base, address(SD), (address(P),) (identity(SD),) (sensitivity,) proposal> The kernel returns an SADB_ACQUIRE message to registered sockets. <base, address(SD), (address(P),) (identity(SD),) (sensitivity,) proposal> The user-level consumer waits for an SADB_UPDATE or SADB_ADD message for its particular type, and then can use that association by using SADB_GET messages. " An app such as OSPF could then use ipsec KM to get keys Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPSEC]: Sync series - userJamal Hadi Salim
Add xfrm as the user of the core changes Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPSEC]: Sync series - fast pathJamal Hadi Salim
Fast path sequence updates that will generate ipsec async events Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPSEC]: Sync series - core changesJamal Hadi Salim
This patch provides the core functionality needed for sync events for ipsec. Derived work of Krisztian KOVACS <hidden@balabit.hu> Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[PKT_SCHED]: Keep backlog counter in sch_sfqPatrick McHardy
Keep backlog counter in SFQ qdisc to make it usable as child qdisc with RED. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[PKT_SCHED]: Restore TBF change semanticPatrick McHardy
When TBF was converted to a classful qdisc, the semantic of the limit parameter was broken. On initilization an inner bfifo qdisc is created for backwards compatibility, when changing parameters however the new limit is ignored and the current child qdisc remains in place. Always replace the child qdisc by the default bfifo when limit is above zero, otherwise don't touch the inner qdisc. Current tc version enforce a limit above zero, other users can avoid creating the inner qdisc by using zero. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[PKT_SCHED]: Dump child qdisc handle in sch_{atm,dsmark}Patrick McHardy
A qdisc should set tcm_info to the child qdisc handle in its class dump function. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[PKT_SCHED]: Qdisc drop operation is optionalPatrick McHardy
The drop operation is optional and qdiscs must check if childs support it. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETLINK]: Add netlink_has_listeners for avoiding unneccessary event message ↵Patrick McHardy
generation Keep a bitmask of multicast groups with subscribed listeners to let netlink users check for listeners before generating multicast messages. Queries don't perform any locking, which may result in false positives, it is guaranteed however that any new subscriptions are visible before bind() or setsockopt() return. Signed-off-by: Patrick McHardy <kaber@trash.net> ACKed-by: Jamal Hadi Salim<hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: ctnetlink: avoid unneccessary event message generationPatrick McHardy
Avoid unneccessary event message generation by checking for netlink listeners before building a message. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: x_tables: replace IPv4/IPv6 policy match by address family ↵Patrick McHardy
independant version Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: Move ip6_masked_addrcmp to include/net/ipv6.hPatrick McHardy
Replace netfilter's ip6_masked_addrcmp by a more efficient version in include/net/ipv6.h to make it usable without module dependencies. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: x_tables: add xt_{match,target} arguments to match/target functionsPatrick McHardy
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: x_tables: pass registered match/target data to match/target ↵Patrick McHardy
functions This allows to make decisions based on the revision (and address family with a follow-up patch) at runtime. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: Convert x_tables matches/targets to centralized error checkingPatrick McHardy
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: Convert ip6_tables matches/targets to centralized error checkingPatrick McHardy
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: Convert arp_tables targets to centralized error checkingPatrick McHardy
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: Convert ip_tables matches/targets to centralized error checkingPatrick McHardy
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: Change {ip,ip6,arp}_tables to use centralized error checkingPatrick McHardy
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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