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2006-03-21[NETFILTER] nf_conntrack: clean up to reduce size of 'struct nf_conn'Harald Welte
This patch moves all helper related data fields of 'struct nf_conn' into a separate structure 'struct nf_conn_help'. This new structure is only present in conntrack entries for which we actually have a helper loaded. Also, this patch cleans up the nf_conntrack 'features' mechanism to resemble what the original idea was: Just glue the feature-specific data structures at the end of 'struct nf_conn', and explicitly re-calculate the pointer to it when needed rather than keeping pointers around. Saves 20 bytes per conntrack on my x86_64 box. A non-helped conntrack is 276 bytes. We still need to save another 20 bytes in order to fit into to target of 256bytes. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[TCP]: MTU probingJohn Heffner
Implementation of packetization layer path mtu discovery for TCP, based on the internet-draft currently found at <http://www.ietf.org/internet-drafts/draft-ietf-pmtud-method-05.txt>. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV4] fib_rules.c: make struct fib_rules static againAdrian Bunk
struct fib_rules became global for no good reason. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPCOMP6]: don't check vfree() argument for NULL.Jesper Juhl
vfree does it's own NULL checking, so checking a pointer before handing it to vfree is pointless. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[DCCP]: Initial feature negotiation implementationAndrea Bittau
Still needs more work, but boots and doesn't crashes, even does some negotiation! 18:38:52.174934 127.0.0.1.43458 > 127.0.0.1.5001: request <change_l ack_ratio 2, change_r ccid 2, change_l ccid 2> 18:38:52.218526 127.0.0.1.5001 > 127.0.0.1.43458: response <nop, nop, change_l ack_ratio 2, confirm_r ccid 2 2, confirm_l ccid 2 2, confirm_r ack_ratio 2> 18:38:52.185398 127.0.0.1.43458 > 127.0.0.1.5001: <nop, confirm_r ack_ratio 2, ack_vector0 0x00, elapsed_time 212> :-) 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>
2006-03-21[DCCP] CCID2: Initial CCID2 (TCP-Like) implementationAndrea Bittau
Original work by Andrea Bittau, Arnaldo Melo cleaned up and fixed several issues on the merge process. For now CCID2 was turned the default for all SOCK_DCCP connections, but this will be remedied soon with the merge of the feature negotiation code. 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>
2006-03-21[DCCP] CCID3: Set the no_feedback_timer fields near init_timerArnaldo Carvalho de Melo
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[DCCP]: Don't alloc ack vector for the control sockArnaldo Carvalho de Melo
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[DCCP] ackvec: Delete all the ack vector records in dccp_ackvec_freeArnaldo Carvalho de Melo
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[DCCP] CCID: Allow ccid_{init,exit} to be NULLArnaldo Carvalho de Melo
Testing if the ccid being instantiated has these methods in ccid_init(). Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[DCCP] ackvec: Introduce ack vector recordsAndrea Bittau
Based on a patch by Andrea Bittau. 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>
2006-03-21[IPV4]: Use RCU locking in fib_rules.Robert Olsson
Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[DCCP] ackvec: Introduce dccp_ackvec_slabArnaldo Carvalho de Melo
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[DCCP]: Fix error handling in dccp_initArnaldo Carvalho de Melo
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[DCCP] ackvec: Ditch dccpav_buf_lenArnaldo Carvalho de Melo
Simplifying the code a bit as we're always using DCCP_MAX_ACKVEC_LEN. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[NETFILTER] nfnetlink_log: add sequence numbers for log eventsHarald Welte
By using a sequence number for every logged netfilter event, we can determine from userspace whether logging information was lots somewhere downstream. The user has a choice of either having per-instance local sequence counters, or using a global sequence counter, or both. Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[NET]: Do not lose accepted socket when -ENFILE/-EMFILE.David S. Miller
Try to allocate the struct file and an unused file descriptor before we try to pull a newly accepted socket out of the protocol layer. Based upon a patch by Prassana Meda. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[VLAN]: translate IF_OPER_DORMANT to netif_dormant_on()Stefan Rompf
this patch adds support to the VLAN driver to translate IF_OPER_DORMANT of the underlying device to netif_dormant_on(). Beside clean state forwarding, this allows running independant userspace supplicants on both the real device and the stacked VLAN. It depends on my RFC2863 patch. Signed-off-by: Stefan Rompf <stefan@loplof.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[NET] core: add RFC2863 operstateStefan Rompf
this patch adds a dormant flag to network devices, RFC2863 operstate derived from these flags and possibility for userspace interaction. It allows drivers to signal that a device is unusable for user traffic without disabling queueing (and therefore the possibility for protocol establishment traffic to flow) and a userspace supplicant (WPA, 802.1X) to mark a device unusable without changes to the driver. It is the result of our long discussion. However I must admit that it represents what Jamal and I agreed on with compromises towards Krzysztof, but Thomas and Krzysztof still disagree with some parts. Anyway I think it should be applied. Signed-off-by: Stefan Rompf <stefan@loplof.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Ensure to accept redirects from nexthop for the target.YOSHIFUJI Hideaki
It is possible to get redirects from nexthop of "more-specific" routes. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Add accept_ra_rt_info_max_plen sysctl.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Flag RTF_DEFAULT for Route Infomation for ::/0.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Add experimental support for Route Information Option in RA ↵YOSHIFUJI Hideaki
(RFC4191). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Add router_probe_interval sysctl.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Add accept_ra_rtr_pref sysctl.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Add Router Reachability Probing (RFC4191).YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Add support for Router Preference (RFC4191).YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Handle finding the next best route in reachability in ↵YOSHIFUJI Hideaki
BACKTRACK(). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Try finding the next best route.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Clean up rt6_select() code path in ip6_route_{intput,output}().YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Try selecting better route for non-default routes as well.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: More strict check for default routers in rt6_get_dflt_router().YOSHIFUJI Hideaki
Check RTF_ADDRCONF|RTF_DEFAULT in rt6_get_dflt_router(). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Eliminate lock for default route pointer.YOSHIFUJI Hideaki
And prepare for more advanced router selection. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Clean-up cow'ing in ip6_route_{intput,output}().YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Convert rt6_cow() to rt6_alloc_cow().YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Clean up reference counting / unlocking for returning object.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Unify two code paths for pmtu disc.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Add rt6_alloc_clone() for cloning route allocation.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Copy u.dst.error for RTF_REJECT routes when cloning.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Set appropriate information before inserting a route.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Split up rt6_cow() for future changes.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ADDRCONF: Add accept_ra_pinfo sysctl.YOSHIFUJI Hideaki
This controls whether we accept Prefix Information in RAs. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ROUTE: Add accept_ra_defrtr sysctl.YOSHIFUJI Hideaki
This controls whether we accept default router information in RAs. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ADDRCONF: Split up ipv6_generate_eui64() by device type.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: ADDRCONF: Use our standard algorithm for randomized ifid.YOSHIFUJI Hideaki
RFC 3041 describes an algorithm to generate random interface identifier. In RFC 3041bis, it is allowed to use different algorithm than one described in RFC 3041. So, let's use our standard pseudo random algorithm to simplify our implementation. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[NET]: NEIGHBOUR: Ensure to record time to neigh->updated when neighbour's ↵YOSHIFUJI Hideaki
state changed. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-21[IPV6]: TUNNEL6: Don't try to add multicast route twice.YOSHIFUJI Hideaki
Since addrconf_add_dev() has already called addrconf_add_mroute() to added route for multicast prefix, there's no point to call it again in addrconf_ip6_tnl_config(). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20Merge branch 'upstream' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2006-03-20Merge branch 'master'Jeff Garzik
2006-03-19[AX.25]: Fix potencial memory hole.Ralf Baechle DL5RB
If the AX.25 dialect chosen by the sysadmin is set to DAMA master / 3 (or DAMA slave / 2, if CONFIG_AX25_DAMA_SLAVE=n) ax25_kick() will fall through the switch statement without calling ax25_send_iframe() or any other function that would eventually free skbn thus leaking the packet. Fix by restricting the sysctl inferface to allow only actually supported AX.25 dialects. The system administration mistake needed for this to happen is rather unlikely, so this is an uncritical hole. Coverity #651. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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