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* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2006-01-04263-2857/+6860
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| * [TCP] tcp_vegas: Fix slow startThomas Young2006-01-041-0/+4
| | | | | | | | | | | | | | | | Vegas' slow start was only adding one MSS per RTT rather than one for every ack. Slow start behavior should now match Reno. Signed-off-by: Thomas Young <tyo@ee.mu.oz.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: More instruction checks fornet/core/filter.cKris Katterjohn2006-01-041-32/+80
| | | | | | | | | | Signed-off-by: Kris Katterjohn <kjak@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETFILTER]: Use macro for spinlock_t/rwlock_t initializations/definition.YOSHIFUJI Hideaki2006-01-043-4/+4
| | | | | | | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPV6]: Use macro for rwlock_t initialization.YOSHIFUJI Hideaki2006-01-041-1/+1
| | | | | | | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [ECONET]: Use macro for spinlock_t definition.YOSHIFUJI Hideaki2006-01-041-1/+1
| | | | | | | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPVS]: Add missing include <linux/net.h>Arnaldo Carvalho de Melo2006-01-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | CC [M] net/ipv4/ipvs/ip_vs_conn.o /pub/scm/linux/kernel/git/acme/net-2.6/net/ipv4/ipvs/ip_vs_conn.c: In function 'ip_vs_conn_new': /pub/scm/linux/kernel/git/acme/net-2.6/net/ipv4/ipvs/ip_vs_conn.c:606: warning: implicit declaration of function 'net_ratelimit' /pub/scm/linux/kernel/git/acme/net-2.6/net/ipv4/ipvs/ip_vs_conn.c: In function 'ip_vs_random_dropentry': /pub/scm/linux/kernel/git/acme/net-2.6/net/ipv4/ipvs/ip_vs_conn.c:810: warning: implicit declaration of function 'net_random' Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| * [TCP]: syn_flood_warning is only needed if CONFIG_SYN_COOKIES is selectedArnaldo Carvalho de Melo2006-01-041-0/+2
| | | | | | | | | | | | | | | | CC net/ipv4/tcp_ipv4.o /pub/scm/linux/kernel/git/acme/net-2.6/net/ipv4/tcp_ipv4.c:665: warning: 'syn_flood_warning' defined but not used Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| * [DCCP] ackvec: use u8 for the buf offsetsArnaldo Carvalho de Melo2006-01-042-16/+23
| | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| * [DCCP] ackvec: Fix spelling of "throw"Andrea Bittau2006-01-041-3/+3
| | | | | | | | | | Signed-off-by: Andrea Bittau <a.bittau@cs.ucl.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
| * [TCP]: less inline'sStephen Hemminger2006-01-035-201/+198
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | TCP inline usage cleanup: * get rid of inline in several places * replace __inline__ with inline where possible * move functions used in one file out of tcp.h * let compiler decide on used once cases On x86_64: text data bss dec hex filename 3594701 648348 567400 4810449 4966d1 vmlinux.orig 3593133 648580 567400 4809113 496199 vmlinux On sparc64: text data bss dec hex filename 2538278 406152 530392 3474822 350586 vmlinux.ORIG 2536382 406384 530392 3473158 34ff06 vmlinux Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IEEE80211] ipw2200: Simplify multicast checks.Stephen Hemminger2006-01-032-13/+7
| | | | | | | | | | | | | | | | | | From: Stephen Hemminger <shemminger@osdl.org> is_multicast_ether_addr() accepts broadcast too, so the is_broadcast_ether_addr() calls are redundant. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Don't exclude broadcast addresses from is_multicast_ether_addr()Stephen Hemminger2006-01-031-1/+2
| | | | | | | | | | | | | | | | | | | | | | The check for multicast shouldn't exclude broadcast type addresses. This reverts the incorrect change done in 2.6.13. The broadcast address is a multicast address and should be excluded from being a valid_ether_address for use in bridging or device address. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPV4] fib_trie: build fixStephen Hemminger2006-01-031-0/+1
| | | | | | | | | | | | | | | | Need this to fix build of fib_trie in net-2.6.16 (rebased) tree. The code needs the new inet_make_mask inline. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [BRIDGE]: Fix faulty check in br_stp_recalculate_bridge_id()Stephen Hemminger2006-01-031-1/+1
| | | | | | | | | | | | | | | | | | One of the conversions from memcmp to compare_ether_addr is incorrect. We need to do relative comparison to determine min MAC address to use in bridge id. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Notify CCID only after ACK vectors have been processed.Andrea Bittau2006-01-031-3/+3
| | | | | | | | | | | | | | | | | | | | | | The CCID should be notified of packet reception only when a packet is valid. Therefore, the ACK vector needs to be processed before notifying the CCID. Also, the CCID might need information provided by the ACK vector. 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]: Send an ACK vector when ACKing a response packetAndrea Bittau2006-01-031-0/+6
| | | | | | | | | | | | | | | | | | | | | | If ACK vectors are used, each packet with an ACK should contain an ACK vector. The only exception currently is response packets. It probably is not a good idea to store ACK vector state before the connection is completed (to help protect from syn floods). 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]: Do not process a packet twice when it's not in state DCCP_OPEN.Andrea Bittau2006-01-031-22/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When packets are received, the connection is either in DCCP_OPEN [fast-path] or it isn't. If it's not [e.g. DCCP_PARTOPEN] upper layers will perform sanity checks and parse options. If it is in DCCP_OPEN, dccp_rcv_established() will do it. It is important not to re-parse options in dccp_rcv_established() when it is not called from the fast-path. Else, fore example, the ack vector will be added twice and the CCID will see the packet twice. The solution is to always enfore sanity checks from the upper layers. When packets arrive in the fast-path, sanity checks will be performed before calling dccp_rcv_established(). Note(acme): I rewrote the patch to achieve the same result but keeping dccp_rcv_established with the previous semantics and having it split into __dccp_rcv_established, that doesn't does do any sanity check, code in state != DCCP_OPEN use this lighter version as they already do the sanity checks. 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>
| * [DECNET]: Only use local routersPatrick Caulfield2006-01-031-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | The attached patch makes DECnet routing only use routers from the same area - rather than the highest rated router seen. In theory there should not be an out-of-area router on a local network but some networks are bridged rather than properly routed. VMS seems to behave similarly: if I bring up a VMS node with no router then it can't see anything else on the global network. Signed-off-by: Patrick Caulfield <patrick@tykepenguin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPVS]: Cleanup IP_VS_DBG statements.Roberto Nibali2006-01-034-14/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | From: Roberto Nibali <ratz@drugphish.ch> The attached patch (against current -GIT) is a cleanup patch which does following: o lookup debug messages shifted back to 9 o added more informational value to flags and refcnt since those entries can be in multiple referenced structures o cleanup 80 char violation It's the prepatch to the session pool implementation and helps very much to debug and monitor important variables and structures regarding the threshold limitation and persistency without the thousands of lookup messages which noone is interested in. Signed-off-by: Horms <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [TG3]: fixup tot_len calculationAlexey Dobriyan2006-01-031-1/+1
| | | | | | | | | | | | | | Turning struct iphdr::tot_len into __be16 added sparse warning. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Add a dev_ioctl() fallback to sock_ioctl()Christoph Hellwig2006-01-0317-40/+27
| | | | | | | | | | | | | | | | | | | | | | Currently all network protocols need to call dev_ioctl as the default fallback in their ioctl implementations. This patch adds a fallback to dev_ioctl to sock_ioctl if the protocol returned -ENOIOCTLCMD. This way all the procotol ioctl handlers can be simplified and we don't need to export dev_ioctl. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETROM]: Remove unessecary lock_sock calls in netrom_ioctl()Christoph Hellwig2006-01-031-5/+5
| | | | | | | | | | | | | | | | lock_sock is needed only in very few cases, so do it there instead of around the switch statement. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NETLINK] genetlink: fix cmd type in genl_ops to be consistent to u8Per Liden2006-01-032-2/+2
| | | | | | | | | | | | Signed-off-by: Per Liden <per.liden@ericsson.com> ACKed-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [AF_UNIX]: Convert to use a spinlock instead of rwlockBenjamin LaHaise2006-01-032-6/+6
| | | | | | | | | | | | | | | | | | | | From: Benjamin LaHaise <bcrl@kvack.org> In af_unix, a rwlock is used to protect internal state. At least on my P4 with HT it is faster to use a spinlock due to the simpler memory barrier used to unlock. This patch raises bw_unix to ~690K/s. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Speed up __alloc_skb()Benjamin LaHaise2006-01-032-15/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | From: Benjamin LaHaise <bcrl@kvack.org> In __alloc_skb(), the use of skb_shinfo() which casts a u8 * to the shared info structure results in gcc being forced to do a reload of the pointer since it has no information on possible aliasing. Fix this by using a pointer to refer to skb_shared_info. By initializing skb_shared_info sequentially, the write combining buffers can reduce the number of memory transactions to a single write. Reorder the initialization in __alloc_skb() to match the structure definition. There is also an alignment issue on 64 bit systems with skb_shared_info by converting nr_frags to a short everything packs up nicely. Also, pass the slab cache pointer according to the fclone flag instead of using two almost identical function calls. This raises bw_unix performance up to a peak of 707KB/s when combined with the spinlock patch. It should help other networking protocols, too. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [PPPOX]: Fix assignment into const proto_ops.David S. Miller2006-01-033-14/+8
| | | | | | | | | | | | | | | | | | And actually, with this, the whole pppox layer can basically be removed and subsumed into pppoe.c, no other pppox sub-protocol implementation exists and we've had this thing for at least 4 years. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [TCP]: Don't use __constant_htonl for a non const argArnaldo Carvalho de Melo2006-01-031-5/+5
| | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [INET_SOCK]: Move struct inet_sock & helper functions to net/inet_sock.hArnaldo Carvalho de Melo2006-01-0387-184/+355
| | | | | | | | | | | | | | | | | | | | | | To help in reducing the number of include dependencies, several files were touched as they were getting needed headers indirectly for stuff they use. Thanks also to Alan Menegotto for pointing out that net/dccp/proto.c had linux/dccp.h include twice. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SOCK]: Introduce sk_receive_skbArnaldo Carvalho de Melo2006-01-035-73/+29
| | | | | | | | | | | | | | | | Its common enough to to justify that, TCP still can't use it as it has the prequeueing stuff, still to be made generic in the not so distant future :-) Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: restructure sock_aio_{read,write} / sock_{readv,writev}Christoph Hellwig2006-01-031-114/+110
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Mid-term I plan to restructure the file_operations so that we don't need to have all these duplicate aio and vectored versions. This patch is a small step in that direction but also a worthwile cleanup on it's own: (1) introduce a alloc_sock_iocb helper that encapsulates allocating a proper sock_iocb (2) add do_sock_read and do_sock_write helpers for common read/write code Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Fix sock_init() return value.David S. Miller2006-01-032-5/+2
| | | | | | | | | | | | | | | | It needs to return zero now that it is an initcall. Also, net/nonet.c no longer needs a dummy sock_init(). Signed-off-by: David S. Miller <davem@davemloft.net>
| * [PKTGEN]: Deinitialise static variables.Jaco Kroon2006-01-031-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | static variables should not be explicitly initialised to 0. This causes them to be placed in .data instead of .bss. This patch de-initialises 3 static variables in net/core/pktgen.c. There are approximately 800 more such variables in the source tree (2.6.15rc5). If there is more interrest I'd be willing to track down the rest of these as well and de-initialise them as well. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: move struct proto_ops to constEric Dumazet2006-01-0333-66/+66
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I noticed that some of 'struct proto_ops' used in the kernel may share a cache line used by locks or other heavily modified data. (default linker alignement is 32 bytes, and L1_CACHE_LINE is 64 or 128 at least) This patch makes sure a 'struct proto_ops' can be declared as const, so that all cpus can share all parts of it without false sharing. This is not mandatory : a driver can still use a read/write structure if it needs to (and eventually a __read_mostly) I made a global stubstitute to change all existing occurences to make them const. This should reduce the possibility of false sharing on SMP, and speedup some socket system calls. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Small cleanup to socket initializationAndi Kleen2006-01-034-11/+5
| | | | | | | | | | | | | | | | | | | | sock_init can be done as a core_initcall instead of calling it directly in init/main.c Also I removed an out of date #ifdef. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SCTP]: Add support for SCTP_DELAYED_ACK_TIME socket option.Frank Filz2006-01-032-0/+198
| | | | | | | | | | | | Signed-off-by: Frank Filz <ffilz@us.ibm.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [SCTP]: Update SCTP_PEER_ADDR_PARAMS socket option to the latest api draft.Frank Filz2006-01-039-220/+595
| | | | | | | | | | | | | | | | | | | | This patch adds support to set/get heartbeat interval, maximum number of retransmissions, pathmtu, sackdelay time for a particular transport/ association/socket as per the latest SCTP sockets api draft11. Signed-off-by: Frank Filz <ffilz@us.ibm.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IPV4] fib_trie: Add credits.Robert Olsson2006-01-031-0/+7
| | | | | | | | | | Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [TCP] cubic: use Newton-RaphsonStephen Hemminger2006-01-031-54/+39
| | | | | | | | | | | | | | | | | | Replace cube root algorithim with a faster version using Newton-Raphson. Surprisingly, doing the scaled div64_64 is faster than a true 64 bit division on 64 bit CPU's. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [TCP] cubic: precompute constantsStephen Hemminger2006-01-031-76/+57
| | | | | | | | | | | | | | | | | | | | | | | | Revised version of patch to pre-compute values for TCP cubic. * d32,d64 replaced with descriptive names * cube_factor replaces srtt[scaled by count] / HZ * ((1 << (10+2*BICTCP_HZ)) / bic_scale) * beta_scale replaces 8*(BICTCP_BETA_SCALE+beta)/3/(BICTCP_BETA_SCALE-beta); Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [FLS64]: x86_64 versionStephen Hemminger2006-01-031-1/+27
| | | | | | | | | | Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [FLS64]: generic versionStephen Hemminger2006-01-0324-1/+33
| | | | | | | | | | Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [PKT_SCHED] netem: packet corruption optionStephen Hemminger2006-01-032-3/+53
| | | | | | | | | | | | | | | | | | | | | | Here is a new feature for netem in 2.6.16. It adds the ability to randomly corrupt packets with netem. A version was done by Hagen Paul Pfeifer, but I redid it to handle the cases of backwards compatibility with netlink interface and presence of hardware checksum offload. It is useful for testing hardware offload in devices. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [BRIDGE]: add version numberStephen Hemminger2006-01-032-0/+3
| | | | | | | | | | | | | | Add version info to bridge module. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [BRIDGE]: limited ethtool supportStephen Hemminger2006-01-033-3/+67
| | | | | | | | | | | | | | | | | | | | | | Add limited ethtool support to bridge to allow disabling features. Note: if underlying device does not support a feature (like checksum offload), then the bridge device won't inherit it. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [BRIDGE]: filter packets in learning stateStephen Hemminger2006-01-031-4/+7
| | | | | | | | | | | | | | | | While in the learning state, run filters but drop the result. This prevents us from acquiring bad fdb entries in learning state. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [BRIDGE]: handle speed detection after carrier changesStephen Hemminger2006-01-033-22/+44
| | | | | | | | | | | | | | | | | | | | | | | | Speed of a interface may not be available until carrier is detected in the case of autonegotiation. To get the correct value we need to recheck speed after carrier event. But the check needs to be done in a context that is similar to normal ethtool interface (can sleep). Also, delay check for 1ms to try avoid any carrier bounce transitions. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [BRIDGE]: allow setting hardware address of bridge pseudo-devStephen Hemminger2006-01-033-4/+28
| | | | | | | | | | | | | | | | | | | | Some people are using bridging to hide multiple machines from an ISP that restricts by MAC address. So in that case allow the bridge mac address to be set to any of the existing interfaces. I don't want to allow any arbitrary value and confuse STP. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [AF_UNIX]: Use spinlock for unix_table_lockDavid S. Miller2006-01-033-20/+20
| | | | | | | | | | | | | | | | This lock is actually taken mostly as a writer, so using a rwlock actually just makes performance worse especially on chips like the Intel P4. Signed-off-by: David S. Miller <davem@davemloft.net>
| * [IP_SOCKGLUE]: Remove most of the tcp specific callsArnaldo Carvalho de Melo2006-01-0320-83/+97
| | | | | | | | | | | | | | | | | | | | | | | | | | | | As DCCP needs to be called in the same spots. Now we have a member in inet_sock (is_icsk), set at sock creation time from struct inet_protosw->flags (if INET_PROTOSW_ICSK is set, like for TCP and DCCP) to see if a struct sock instance is a inet_connection_sock for places like the ones in ip_sockglue.c (v4 and v6) where we previously were looking if sk_type was SOCK_STREAM, that is insufficient because we now use the same code for DCCP, that has sk_type SOCK_DCCP. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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