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2008-08-13net-sched: fix Action flushing return codeJamal Hadi Salim
Flushing must consistently return ENOMEM on failure of any allocation Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-13net-sched: Fix actions flushingJamal Hadi Salim
Flushing of actions has been broken since we changed the semantics of netlink parsed tb[X] to mean X is an attribute type. This makes the flushing work. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-13net/rxrpc: Use an IS_ERR test rather than a NULL testJulien Brunel
In case of error, the function rxrpc_get_transport returns an ERR pointer, but never returns a NULL pointer. So after a call to this function, a NULL test should be replaced by an IS_ERR test. A simplified version of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @correct_null_test@ expression x,E; statement S1, S2; @@ x = rxrpc_get_transport(...) <... when != x = E if ( ( - x@p2 != NULL + ! IS_ERR ( x ) | - x@p2 == NULL + IS_ERR( x ) ) ) S1 else S2 ...> ? x = E; // </smpl> Signed-off-by: Julien Brunel <brunel@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-13wext: Send name on eventsJamal Hadi Salim
In the minimal the wireless extensions oughta send at least the name in addition to the ifindex. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-13net/tipc/subscr.c: don't use ___constant_swab32Andrew Morton
It's an internal implementation detail which we _should_ be free to change. So we did, and it promptly broke. The compiler shold be able to work out when to use the __constant version anyway. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-13ipv6: Fix OOPS, ip -f inet6 route get fec0::1, linux-2.6.26, ↵Brian Haley
ip6_route_output, rt6_fill_node+0x175 Alexey Dobriyan wrote: > On Thu, Aug 07, 2008 at 07:00:56PM +0200, John Gumb wrote: >> Scenario: no ipv6 default route set. > >> # ip -f inet6 route get fec0::1 >> >> BUG: unable to handle kernel NULL pointer dereference at 00000000 >> IP: [<c0369b85>] rt6_fill_node+0x175/0x3b0 >> EIP is at rt6_fill_node+0x175/0x3b0 > > 0xffffffff80424dd3 is in rt6_fill_node (net/ipv6/route.c:2191). > 2186 } else > 2187 #endif > 2188 NLA_PUT_U32(skb, RTA_IIF, iif); > 2189 } else if (dst) { > 2190 struct in6_addr saddr_buf; > 2191 ====> if (ipv6_dev_get_saddr(ip6_dst_idev(&rt->u.dst)->dev, > ^^^^^^^^^^^^^^^^^^^^^^^^ > NULL > > 2192 dst, 0, &saddr_buf) == 0) > 2193 NLA_PUT(skb, RTA_PREFSRC, 16, &saddr_buf); > 2194 } The commit that changed this can't be reverted easily, but the patch below works for me. Fix NULL de-reference in rt6_fill_node() when there's no IPv6 input device present in the dst entry. Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-11pkt_sched: Add BH protection for qdisc_stab_lock.Jarek Poplawski
Since qdisc_stab_lock is used in qdisc_put_stab(), which is called in BH context from __qdisc_destroy() RCU callback, softirq safe locking is needed. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-11Merge branch 'stealer/ipvs/for-davem' of git://git.stealer.net/linux-2.6David S. Miller
2008-08-11ipvs: Explictly clear ip_vs_stats membersSimon Horman
In order to align the coding styles of ip_vs_zero_stats() and its child-function ip_vs_zero_estimator(), clear ip_vs_stats members explicitlty rather than doing a limited memset(). This was chosen over modifying ip_vs_zero_estimator() to use memset() as it is more robust against changes in members in the relevant structures. memset() would be prefered if all members of the structure were to be cleared. Cc: Sven Wegener <sven.wegener@stealer.net> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
2008-08-11ipvs: No need to zero out ip_vs_stats during initializationSven Wegener
It's a global variable and automatically initialized to zero. And now we can also initialize the lock at compile time. Signed-off-by: Sven Wegener <sven.wegener@stealer.net> Acked-by: Simon Horman <horms@verge.net.au>
2008-08-11ipvs: Embed estimator object into stats objectSven Wegener
There's no reason for dynamically allocating an estimator object for every stats object. Directly embed an estimator object into every stats object and switch to using the kernel-provided list implementation. This makes the code much simpler and faster, as we do not need to traverse the list of all estimators to find the one belonging to a stats object. There's no need to use an rwlock, as we only have one reader. Also reorder the members of the estimator structure slightly to avoid padding overhead. This can't be done with the stats object as the members are currently copied to our user space object via memcpy() and changing it would break ABI. Signed-off-by: Sven Wegener <sven.wegener@stealer.net> Acked-by: Simon Horman <horms@verge.net.au>
2008-08-11ipvs: Mark net_vs_ctl_path constSven Wegener
Signed-off-by: Sven Wegener <sven.wegener@stealer.net> Acked-by: Simon Horman <horms@verge.net.au>
2008-08-11ipvs: Annotate init functions with __initSven Wegener
Being able to discard these functions saves a couple of bytes at runtime. The cleanup functions can't be annotated with __exit as they are also called from init functions. Signed-off-by: Sven Wegener <sven.wegener@stealer.net> Acked-by: Simon Horman <horms@verge.net.au>
2008-08-11ipvs: Initialize schedulers' struct list_head at compile timeSven Wegener
No need to do it at runtime and this saves a couple of bytes in the text section. Signed-off-by: Sven Wegener <sven.wegener@stealer.net> Acked-by: Simon Horman <horms@verge.net.au>
2008-08-11ipvs: Use list_empty() instead of open-coding the same functionalitySven Wegener
Signed-off-by: Sven Wegener <sven.wegener@stealer.net> Acked-by: Simon Horman <horms@verge.net.au>
2008-08-11ipvs: Fix possible deadlock in estimator codeSven Wegener
There is a slight chance for a deadlock in the estimator code. We can't call del_timer_sync() while holding our lock, as the timer might be active and spinning for the lock on another cpu. Work around this issue by using try_to_del_timer_sync() and releasing the lock. We could actually delete the timer outside of our lock, as the add and kill functions are only every called from userspace via [gs]etsockopt() and are serialized by a mutex, but better make this explicit. Signed-off-by: Sven Wegener <sven.wegener@stealer.net> Cc: stable <stable@kernel.org> Acked-by: Simon Horman <horms@verge.net.au>
2008-08-11ipvs: Fix possible deadlock in sync codeSven Wegener
Commit 998e7a76804b7a273a0460c2cdd5a51fa9856717 ("ipvs: Use kthread_run() instead of doing a double-fork via kernel_thread()") introduced a possible deadlock in the sync code. We need to use the _bh versions for the lock, as the lock is also accessed from a bottom half. Signed-off-by: Sven Wegener <sven.wegener@stealer.net> Acked-by: Simon Horman <horms@verge.net.au>
2008-08-09udp: Drop socket lock for encapsulated packetsHerbert Xu
The socket lock is there to protect the normal UDP receive path. Encapsulation UDP sockets don't need that protection. In fact the locking is deadly for them as they may contain another UDP packet within, possibly with the same addresses. Also the nested bit was copied from TCP. TCP needs it because of accept(2) spawning sockets. This simply doesn't apply to UDP so I've removed it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-08pkt_sched: Fix ingress deletion and filter attachment.David S. Miller
Based upon bug reports by Stephen Hemminger. We still had some cases using ->qdisc instead of ->qdisc_sleeping. Also, qdisc_lookup() should return ingress qdiscs. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-07pkt_sched: Fix actions referencingJamal Hadi Salim
When an action is added several times with the same exact index it gets deleted on every even-numbered attempt. This fixes that issue. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-07Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-2.6
2008-08-07tcp: (whitespace only) fix confusing indentationAdam Langley
The indentation in part of tcp_minisocks makes it look like one of the if statements is much more important than it actually is. Signed-off-by: Adam Langley <agl@imperialviolet.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-07pkt_sched: Fix qdisc config when link is down.David S. Miller
Bug reported by Stephen Hemminger. We need to fetch the root from ->qdisc_sleeping not ->qdisc. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-07[Bluetooth] Add parameters to control BNEP header compressionMarcel Holtmann
The Bluetooth qualification for PAN demands testing with BNEP header compression disabled. This is actually pretty stupid and the Linux implementation outsmarts the test system since it compresses whenever possible. So to pass qualification two need parameters have been added to control the compression of source and destination headers. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2008-08-07mac80211: keep mesh ifaces in allmulti modeLuis Carlos Cobo
Currently a mesh node will not forward a multicast frame if it is not subscribed to the specific multicast address. This patch addresses the issue and fixes mesh multicast forwarding. Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-07mac80211: fix use of skb->cb for mesh forwardingLuis Carlos Cobo
Now we deal with mesh forwarding before the 802.11->802.3 conversion, thus eliminating a few unnecessary steps. The next hop lookup is called from ieee80211_master_start_xmit() instead of subif_start_xmit(). Until the next hop is found, RA in the frame will be all zeroes for frames originating from the device. For forwarded frames, RA will contain the TA of the received frame, which will be necessary to send a path error if a next hop is not found. Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-07pktgen: multiqueue etc.Robert Olsson
Sofar far pktgen have had a restriction to only use one device per kernel thread. With the new multiqueue architecture this is no longer adequate. The patch below is an effort to remove this by in pktgen configuration adding a tag to the device name a la eth0@0 etc. The tag is used for usual device config just as before. Also a new flag is introduced to mirror queue_map with sending threads smp_processor_id() QUEUE_MAP_CPU. An example: We use 4 CPU's to send to one 10g interface (eth0) and we use the new tagging to send a mix of packet sizes, 64, 576 and 1500 bytes. Also we use TX queues according to smp_processor_id() PGDEV=/proc/net/pktgen/kpktgend_0 pgset "add_device eth0@0" PGDEV=/proc/net/pktgen/kpktgend_1 pgset "add_device eth0@1" PGDEV=/proc/net/pktgen/kpktgend_2 pgset "add_device eth0@2" PGDEV=/proc/net/pktgen/kpktgend_3 pgset "add_device eth0@3" .... PGDEV=/proc/net/pktgen/eth0@0 pgset "pkt_size 64" pgset "flag QUEUE_MAP_CPU" PGDEV=/proc/net/pktgen/eth0@1 pgset "pkt_size 572" pgset "flag QUEUE_MAP_CPU" PGDEV=/proc/net/pktgen/eth0@2 pgset "pkt_size 1496" PGDEV=/proc/net/pktgen/eth0@3 pgset "pkt_size 1496" pgset "flag QUEUE_MAP_CPU" Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-07Merge branch 'upstream-davem' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
2008-08-07Merge branch 'for-jeff' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 into tmp
2008-08-07net/core: Allow receive on active slaves.Joe Eykholt
If a packet_type specifies an active slave to bonding and not just any interface, allow it to receive frames that came in on that interface. Signed-off-by: Joe Eykholt <jre@nuovasystems.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-08-07net/core: Allow certain receives on inactive slave.Joe Eykholt
Allow a packet_type that specifies the exact device to receive even on an inactive bonding slave devices. This is important for some L2 protocols such as LLDP and FCoE. This can eventually be used for the bonding special cases as well. Signed-off-by: Joe Eykholt <jre@nuovasystems.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-08-07net/core: Uninline skb_bond().Joe Eykholt
Otherwise subsequent changes need multiple return values. Signed-off-by: Joe Eykholt <jre@nuovasystems.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-08-06tcp: Fix kernel panic when calling tcp_v(4/6)_md5_do_lookupGui Jianfeng
If the following packet flow happen, kernel will panic. MathineA MathineB SYN ----------------------> SYN+ACK <---------------------- ACK(bad seq) ----------------------> When a bad seq ACK is received, tcp_v4_md5_do_lookup(skb->sk, ip_hdr(skb)->daddr)) is finally called by tcp_v4_reqsk_send_ack(), but the first parameter(skb->sk) is NULL at that moment, so kernel panic happens. This patch fixes this bug. OOPS output is as following: [ 302.812793] IP: [<c05cfaa6>] tcp_v4_md5_do_lookup+0x12/0x42 [ 302.817075] Oops: 0000 [#1] SMP [ 302.819815] Modules linked in: ipv6 loop dm_multipath rtc_cmos rtc_core rtc_lib pcspkr pcnet32 mii i2c_piix4 parport_pc i2c_core parport ac button ata_piix libata dm_mod mptspi mptscsih mptbase scsi_transport_spi sd_mod scsi_mod crc_t10dif ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd [last unloaded: scsi_wait_scan] [ 302.849946] [ 302.851198] Pid: 0, comm: swapper Not tainted (2.6.27-rc1-guijf #5) [ 302.855184] EIP: 0060:[<c05cfaa6>] EFLAGS: 00010296 CPU: 0 [ 302.858296] EIP is at tcp_v4_md5_do_lookup+0x12/0x42 [ 302.861027] EAX: 0000001e EBX: 00000000 ECX: 00000046 EDX: 00000046 [ 302.864867] ESI: ceb69e00 EDI: 1467a8c0 EBP: cf75f180 ESP: c0792e54 [ 302.868333] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 302.871287] Process swapper (pid: 0, ti=c0792000 task=c0712340 task.ti=c0746000) [ 302.875592] Stack: c06f413a 00000000 cf75f180 ceb69e00 00000000 c05d0d86 000016d0 ceac5400 [ 302.883275] c05d28f8 000016d0 ceb69e00 ceb69e20 681bf6e3 00001000 00000000 0a67a8c0 [ 302.890971] ceac5400 c04250a3 c06f413a c0792eb0 c0792edc cf59a620 cf59a620 cf59a634 [ 302.900140] Call Trace: [ 302.902392] [<c05d0d86>] tcp_v4_reqsk_send_ack+0x17/0x35 [ 302.907060] [<c05d28f8>] tcp_check_req+0x156/0x372 [ 302.910082] [<c04250a3>] printk+0x14/0x18 [ 302.912868] [<c05d0aa1>] tcp_v4_do_rcv+0x1d3/0x2bf [ 302.917423] [<c05d26be>] tcp_v4_rcv+0x563/0x5b9 [ 302.920453] [<c05bb20f>] ip_local_deliver_finish+0xe8/0x183 [ 302.923865] [<c05bb10a>] ip_rcv_finish+0x286/0x2a3 [ 302.928569] [<c059e438>] dev_alloc_skb+0x11/0x25 [ 302.931563] [<c05a211f>] netif_receive_skb+0x2d6/0x33a [ 302.934914] [<d0917941>] pcnet32_poll+0x333/0x680 [pcnet32] [ 302.938735] [<c05a3b48>] net_rx_action+0x5c/0xfe [ 302.941792] [<c042856b>] __do_softirq+0x5d/0xc1 [ 302.944788] [<c042850e>] __do_softirq+0x0/0xc1 [ 302.948999] [<c040564b>] do_softirq+0x55/0x88 [ 302.951870] [<c04501b1>] handle_fasteoi_irq+0x0/0xa4 [ 302.954986] [<c04284da>] irq_exit+0x35/0x69 [ 302.959081] [<c0405717>] do_IRQ+0x99/0xae [ 302.961896] [<c040422b>] common_interrupt+0x23/0x28 [ 302.966279] [<c040819d>] default_idle+0x2a/0x3d [ 302.969212] [<c0402552>] cpu_idle+0xb2/0xd2 [ 302.972169] ======================= [ 302.974274] Code: fc ff 84 d2 0f 84 df fd ff ff e9 34 fe ff ff 83 c4 0c 5b 5e 5f 5d c3 90 90 57 89 d7 56 53 89 c3 50 68 3a 41 6f c0 e8 e9 55 e5 ff <8b> 93 9c 04 00 00 58 85 d2 59 74 1e 8b 72 10 31 db 31 c9 85 f6 [ 303.011610] EIP: [<c05cfaa6>] tcp_v4_md5_do_lookup+0x12/0x42 SS:ESP 0068:c0792e54 [ 303.018360] Kernel panic - not syncing: Fatal exception in interrupt Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-06pkt_sched: Fix "parent is root" test in qdisc_create().David S. Miller
As noticed by Stephen Hemminger, the root qdisc is denoted by TC_H_ROOT, not zero. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-06ipv4: Fix over-ifdeffing of ip_static_sysctl_init.David S. Miller
Noticed by Paulius Zaleckas. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-06ipsec: Interfamily IPSec BEET, ipv4-inner ipv6-outerJoakim Koskela
Here's a revised version, based on Herbert's comments, of a fix for the ipv4-inner, ipv6-outer interfamily ipsec beet mode. It fixes the network header adjustment during interfamily, as well as makes sure that we reserve enough room for the new ipv6 header if we might have something else as the inner family. Also, the ipv4 pseudo header construction was added. Signed-off-by: Joakim Koskela <jookos@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-06ipsec: Interfamily IPSec BEETJoakim Koskela
Here's a revised version, based on Herbert's comments, of a fix for the ipv6-inner, ipv4-outer interfamily ipsec beet mode. It fixes the network header adjustment in interfamily, and doesn't reserve space for the pseudo header anymore when we have ipv6 as the inner family. Signed-off-by: Joakim Koskela <jookos@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-06netfilter: fix two recent sysctl problemsKrzysztof Piotr Oledzki
Starting with 9043476f726802f4b00c96d0c4f418dde48d1304 ("[PATCH] sanitize proc_sysctl") we have two netfilter releated problems: - WARNING: at kernel/sysctl.c:1966 unregister_sysctl_table+0xcc/0x103(), caused by wrong order of ini/fini calls - net.netfilter is duplicated and has truncated set of records Thanks to very useful guidelines from Al Viro, this patch fixes both of them. Signed-off-by: Krzysztof Piotr Oledzki <ole@ans.pl> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-06ipv6: replace dst_metric() with dst_mtu() in net/ipv6/route.c.Rami Rosen
This patch replaces dst_metric() with dst_mtu() in net/ipv6/route.c. Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-06ipv4: replace dst_metric() with dst_mtu() in net/ipv4/route.c.Rami Rosen
This patch replaces dst_metric() with dst_mtu() in net/ipv4/route.c. Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-05AX.25: Fix sysctl registration if !CONFIG_AX25_DAMA_SLAVERalf Baechle
Since 49ffcf8f99e8d33ec8afb450956804af518fd788 ("sysctl: update sysctl_check_table") setting struct ctl_table.procname = NULL does no longer work as it used to the way the AX.25 code is expecting it to resulting in the AX.25 sysctl registration code to break if CONFIG_AX25_DAMA_SLAVE was not set as in some distribution kernels. Kernel releases from 2.6.24 are affected. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-05pktgen: mac countRobert Olsson
dst_mac_count and src_mac_count patch from Eneas Hunguana We have sent one mac address to much. Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-05pktgen: random flow Robert Olsson
Random flow generation has not worked. This fixes it. Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-05bridge: Eliminate unnecessary forward delayStephen Hemminger
From: Stephen Hemminger <shemminger@vyatta.com> Based upon original patch by Herbert Xu, which contained the following problem description: -------------------- When the forward delay is set to zero, we still delay the setting of the forwarding state by one or possibly two timers depending on whether STP is enabled. This could either turn out to be instantaneous, or horribly slow depending on the load of the machine. As there is nothing preventing us from enabling forwarding straight away, this patch eliminates this potential delay by executing the code directly if the forward delay is zero. The effect of this problem is that immediately after the carrier comes on a port, the bridge will drop all packets received from that port until it enters forwarding mode, thus causing unnecessary packet loss. Note that this patch doesn't fully remove the delay due to the link watcher. We should also check the carrier state when we are about to drop an incoming packet because the port is disabled. But that's for another patch. -------------------- This version of the fix takes a different approach, in that it just does the state change directly. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-05Merge branch 'no-ath9k' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2008-08-05bridge: fix compile warning in net/bridge/br_netfilter.cRami Rosen
This patch fixes the following warning due to incompatible pointer assignment: net/bridge/br_netfilter.c: In function 'br_netfilter_rtable_init': net/bridge/br_netfilter.c:116: warning: assignment from incompatible pointer type This warning is due to commit 4adf0af6818f3ea52421dc0bae836cfaf20ef72a from July 30 (send correct MTU value in PMTU (revised)). Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-04net_sched: Add qdisc __NET_XMIT_BYPASS flagJarek Poplawski
Patrick McHardy <kaber@trash.net> noticed that it would be nice to handle NET_XMIT_BYPASS by NET_XMIT_SUCCESS with an internal qdisc flag __NET_XMIT_BYPASS and to remove the mapping from dev_queue_xmit(). David Miller <davem@davemloft.net> spotted a serious bug in the first version of this patch. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-04net_sched: Add qdisc __NET_XMIT_STOLEN flagJarek Poplawski
Patrick McHardy <kaber@trash.net> noticed: "The other problem that affects all qdiscs supporting actions is TC_ACT_QUEUED/TC_ACT_STOLEN getting mapped to NET_XMIT_SUCCESS even though the packet is not queued, corrupting upper qdiscs' qlen counters." and later explained: "The reason why it translates it at all seems to be to not increase the drops counter. Within a single qdisc this could be avoided by other means easily, upper qdiscs would still increase the counter when we return anything besides NET_XMIT_SUCCESS though. This means we need a new NET_XMIT return value to indicate this to the upper qdiscs. So I'd suggest to introduce NET_XMIT_STOLEN, return that to upper qdiscs and translate it to NET_XMIT_SUCCESS in dev_queue_xmit, similar to NET_XMIT_BYPASS." David Miller <davem@davemloft.net> noticed: "Maybe these NET_XMIT_* values being passed around should be a set of bits. They could be composed of base meanings, combined with specific attributes. So you could say "NET_XMIT_DROP | __NET_XMIT_NO_DROP_COUNT" The attributes get masked out by the top-level ->enqueue() caller, such that the base meanings are the only thing that make their way up into the stack. If it's only about communication within the qdisc tree, let's simply code it that way." This patch is trying to realize these ideas. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-04iwlwifi: HW bug fixesTomas Winkler
This patch adds few HW bug fixes. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-04mac80211: automatic IBSS channel selectionDaniel Drake
When joining an ad-hoc network, the user is currently required to specify the channel. The network will not be joined otherwise, unless it happens to be sitting on the currently active channel. This patch implements automatic channel selection when the user has not locked the interface onto a specific channel. Signed-off-by: Daniel Drake <dsd@gentoo.org> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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