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* [PKTGEN]: Convert thread lock to mutexes.Luiz Capitulino2006-03-201-3/+4
| | | | | | | | pktgen's thread semaphores are strict mutexes, convert them to the mutex implementation. Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Convert RTNL to mutex.Stephen Hemminger2006-03-206-37/+43
| | | | | | | | This patch turns the RTNL from a semaphore to a new 2.6.16 mutex and gets rid of some of the leftover legacy. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC] xfrm_user: Kill PAGE_SIZE check in verify_sec_ctx_len()David S. Miller2006-03-201-3/+0
| | | | | | | | | | | First, it warns when PAGE_SIZE >= 64K because the ctx_len field is 16-bits. Secondly, if there are any real length limitations it can be verified by the security layer security_xfrm_state_alloc() call. Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP] H-TCP: Better time accountingBaruch Even2006-03-201-18/+26
| | | | | | | | Instead of estimating the time since the last congestion event, count it directly. Signed-off-by: Baruch Even <baruch@ev-en.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP] H-TCP: Account for delayed-ACKsBaruch Even2006-03-201-8/+18
| | | | | | | | | | | | Account for delayed-ACKs in H-TCP. Delayed-ACKs cause H-TCP to be less aggressive than its design calls for. It is especially true when the receiver is a Linux machine where the average delayed ack is over 3 packets with values of 7 not unheard of. Signed-off-By: Baruch Even <baruch@ev-en.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP] H-TCP: Use msecs_to_jiffiesBaruch Even2006-03-201-2/+2
| | | | | | | | | Use functions to calculate jiffies from milliseconds and not the old, crude method of dividing HZ by a value. Ensures more accurate values even in the face of strange HZ values. Signed-off-By: Baruch Even <baruch@ev-en.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKTGEN]: Updates version.Luiz Capitulino2006-03-201-1/+1
| | | | | | | With all the previous changes, we're at a new version now. Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKTGEN]: Ports if_list to the in-kernel implementation.Luiz Capitulino2006-03-201-48/+44
| | | | | | | | | This patch ports the per-thread interface list list to the in-kernel linked list implementation. In the general, the resulting code is a bit simpler. Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKTGEN]: Fix Initialization fail leak.Luiz Capitulino2006-03-201-1/+14
| | | | | | | | | | | | Even if pktgen's thread initialization fails for all CPUs, the module will be successfully loaded. This patch changes that behaivor, by returning an error on module load time, and also freeing all the resources allocated. It also prints a warning if a thread initialization has failed. Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKTGEN]: Fix kernel_thread() fail leak.Luiz Capitulino2006-03-201-2/+9
| | | | | | | Free all the alocated resources if kernel_thread() call fails. Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKTGEN]: Ports thread list to Kernel list implementation.Luiz Capitulino2006-03-201-55/+41
| | | | | | | | | | | The final result is a simpler and smaller code. Note that I'm adding a new member in the struct pktgen_thread called 'removed'. The reason is that I didn't find a better wait condition to be used in the place of the replaced one. Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKTGEN]: Lindent run.Luiz Capitulino2006-03-201-1251/+1379
| | | | | | | Lindet run, with some fixes made by hand. Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP] options: Fix some aspects of mandatory option processingArnaldo Carvalho de Melo2006-03-201-1/+6
| | | | | | | | | | | | | | | | | According to dccp draft (draft-ietf-dccp-spec-13.txt) section 5.8.2 (Mandatory Option) the following patch correct the handling of the following cases: 1) "... and any Mandatory options received on DCCP-Data packets MUST be ignored." 2) "The connection is in error and should be reset with Reset Code 5, ... if option O is absent (Mandatory was the last byte of the option list), or if option O equals Mandatory." Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP] ccid2: coding style cleanupsArnaldo Carvalho de Melo2006-03-201-50/+26
| | | | | | | No changes in the logic where made. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP] ipv6: cleanupsArnaldo Carvalho de Melo2006-03-201-127/+129
| | | | | | | | No changes in the logic were made, just removing trailing whitespaces, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ICSK]: Introduce inet_csk_ctl_sock_createArnaldo Carvalho de Melo2006-03-205-71/+27
| | | | | | | Consolidating open coded sequences in tcp and dccp, v4 and v6. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP] ipv6: Add missing ipv6 control socketArnaldo Carvalho de Melo2006-03-206-65/+72
| | | | | | | | | | | | | | I guess I forgot to add it, nah, now it just works: 18:04:33.274066 IP6 ::1.1476 > ::1.5001: request (service=0) 18:04:33.334482 IP6 ::1.5001 > ::1.1476: reset (code=bad_service_code) Ditched IP_DCCP_UNLOAD_HACK, as now we would have to do it for both IPv6 and IPv4, so I'll come up with another way for freeing the control sockets in upcoming changesets. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Uninline some functionsArnaldo Carvalho de Melo2006-03-205-57/+63
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP] ipv4: make struct dccp_v4_prot staticAdrian Bunk2006-03-201-1/+1
| | | | | | | | 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>
* [IPV6]: Fix some code/comment formatting in ip6_dst_output().David S. Miller2006-03-201-20/+21
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: fib_trie stats fixRobert Olsson2006-03-201-6/+8
| | | | | | | | 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>
* [IPV4]: fib_trie initialzation fixRobert Olsson2006-03-201-2/+10
| | | | | | | | 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>
* [TCP] mtu probing: move tcp-specific data out of inet_connection_sockJohn Heffner2006-03-202-4/+4
| | | | | | | | 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>
* [AF_UNIX]: use shift instead of integer divisionBenjamin LaHaise2006-03-201-5/+5
| | | | | | | | | | 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>
* [NET]: Uninline kfree_skb and allow NULL argumentJörn Engel2006-03-201-0/+19
| | | | | | | | | | | | 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>
* [LLC]: Fix sap refcountingArnaldo Carvalho de Melo2006-03-202-2/+3
| | | | | | | | 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>
* [LLC]: Replace __inline__ with inlineArnaldo Carvalho de Melo2006-03-201-5/+4
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [LLC]: Fix struct proto .nameArnaldo Carvalho de Melo2006-03-201-1/+1
| | | | | | | 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>
* [NET] pktgen: Fix races between control/worker threads.Arthur Kepner2006-03-201-25/+110
| | | | | | | | | | | | | | 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>
* [DCCP]: Move the IPv4 specific bits from proto.c to ipv4.cArnaldo Carvalho de Melo2006-03-206-141/+148
| | | | | | | | | | | | | | | | | | | | | | 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>
* [DCCP]: Rename init_dccp_v4_mibs to dccp_mib_initArnaldo Carvalho de Melo2006-03-201-7/+11
| | | | | | | 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>
* [DCCP]: Move dccp_hashinfo from ipv4.c to the coreArnaldo Carvalho de Melo2006-03-202-8/+8
| | | | | | | 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>
* [DCCP]: Dont use dccp_v4_checksum in dccp_make_responseArnaldo Carvalho de Melo2006-03-202-3/+3
| | | | | | | | | 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>
* [DCCP]: Move dccp_[un]hash from ipv4.c to the coreArnaldo Carvalho de Melo2006-03-204-14/+17
| | | | | | | 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>
* [DCCP]: Move dccp_v4_{init,destroy}_sock to the coreArnaldo Carvalho de Melo2006-03-204-104/+112
| | | | | | | 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>
* [DCCP]: Generalize dccp_v4_send_resetArnaldo Carvalho de Melo2006-03-205-38/+28
| | | | | | | | | | 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>
* [DCCP] feat: Introduce sysctls for the default featuresArnaldo Carvalho de Melo2006-03-205-11/+160
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [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>
* [DCCP]: Call dccp_feat_init more early in dccp_v4_init_sockArnaldo Carvalho de Melo2006-03-201-5/+4
| | | | | | | | | | 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>
* [DCCP]: Kconfig tidy upArnaldo Carvalho de Melo2006-03-201-2/+4
| | | | | | | | 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>
* [DCCP]: sparse endianness annotationsAndrea Bittau2006-03-206-45/+33
| | | | | | | | | | 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>
* [NETFILTER]: Fix skb->nf_bridge lifetime issuesPatrick McHardy2006-03-201-4/+0
| | | | | | | | | | | | | | | | | | | | | | 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>
* [DCCP] feat: Actually change the CCID upon negotiationAndrea Bittau2006-03-201-1/+42
| | | | | | | | | | 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>
* [DCCP] CCID: Improve CCID infrastructureArnaldo Carvalho de Melo2006-03-209-210/+260
| | | | | | | | | | | | | | | | | | | 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>
* [PKT_SCHED]: Convert sch_red to a classful qdiscPatrick McHardy2006-03-201-16/+163
| | | | | | | | | | | | 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>
* [XFRM]: Add some missing exports.David S. Miller2006-03-202-0/+7
| | | | | | To fix the case of modular xfrm_user. Signed-off-by: David S. Miller <davem@davemloft.net>
* [XFRM]: Move xfrm_nl to xfrm_state.c from xfrm_user.cDavid S. Miller2006-03-202-3/+3
| | | | | | | xfrm_user could be modular, and since generic code uses this symbol now... Signed-off-by: David S. Miller <davem@davemloft.net>
* [XFRM]: Make sure xfrm_replay_timer_handler() is declared early enough.David S. Miller2006-03-201-2/+2
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Sync series - policy expiresJamal Hadi Salim2006-03-203-4/+59
| | | | | | | | 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>
* [IPSEC]: Sync series - SA expiresJamal Hadi Salim2006-03-202-7/+40
| | | | | | | | | 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>
* [IPSEC]: Sync series - acquire insertJamal Hadi Salim2006-03-202-2/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
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