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2008-06-17netdevice: change net_device->promiscuity/allmulti to unsigned intWang Chen
The comments of dev_set_allmulti/promiscuity() is that "While the count in the device remains above zero...". So negative count is useless. Fix the type of the counter from "int" to "unsigned int". Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17udp: sk_drops handlingEric Dumazet
In commits 33c732c36169d7022ad7d6eb474b0c9be43a2dc1 ([IPV4]: Add raw drops counter) and a92aa318b4b369091fd80433c80e62838db8bc1c ([IPV6]: Add raw drops counter), Wang Chen added raw drops counter for /proc/net/raw & /proc/net/raw6 This patch adds this capability to UDP sockets too (/proc/net/udp & /proc/net/udp6). This means that 'RcvbufErrors' errors found in /proc/net/snmp can be also be examined for each udp socket. # grep Udp: /proc/net/snmp Udp: InDatagrams NoPorts InErrors OutDatagrams RcvbufErrors SndbufErrors Udp: 23971006 75 899420 16390693 146348 0 # cat /proc/net/udp sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt --- uid timeout inode ref pointer drops 75: 00000000:02CB 00000000:0000 07 00000000:00000000 00:00000000 00000000 --- 0 0 2358 2 ffff81082a538c80 0 111: 00000000:006F 00000000:0000 07 00000000:00000000 00:00000000 00000000 --- 0 0 2286 2 ffff81042dd35c80 146348 In this example, only port 111 (0x006F) was flooded by messages that user program could not read fast enough. 146348 messages were lost. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17rose: improving AX25 routing frames via ROSE networkBernard Pidoux
ROSE network is organized through nodes connected via hamradio or Internet. AX25 packet radio frames sent to a remote ROSE address destination are routed through these nodes. Without the present patch, automatic routing mechanism did not work optimally due to an improper parameter checking. rose_get_neigh() function is called either by rose_connect() or by rose_route_frame(). In the case of a call from rose_connect(), f0 timer is checked to find if a connection is already pending. In that case it returns the address of the neighbour, or returns a NULL otherwise. When called by rose_route_frame() the purpose was to route a packet AX25 frame through an adjacent node given a destination rose address. However, in that case, t0 timer checked does not indicate if the adjacent node is actually connected even if the timer is not null. Thus, for each frame sent, the function often tried to start a new connexion even if the adjacent node was already connected. The patch adds a "new" parameter that is true when the function is called by rose route_frame(). This instructs rose_get_neigh() to check node parameter "restarted". If restarted is true it means that the route to the destination address is opened via a neighbour node already connected. If "restarted" is false the function returns a NULL. In that case the calling function will initiate a new connection as before. This results in a fast routing of frames, from nodes to nodes, until destination is reached, as originaly specified by ROSE protocole. Signed-off-by: Bernard Pidoux <f6bvp@amsat.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17atm: [fore200e] convert to use request_firmware()Chas Williams
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17atm: [he] remove #ifdef clutterChas Williams
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17atm: [iphase] 64-bit cleanupAlan Cox
This fixes the most obvious 64-bit problems, but it is still very very broken in other aspects. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17atm: use const where reasonableMitchell Blank Jr
From: Mitchell Blank Jr <mitch@sfgoth.com> Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17atm: [suni] add support for setting loopback and framing modesChas Williams
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17atm: [iphase] move struct suni_priv to suni.hJorge Boncompte [DTI2]
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17bridge: fix IPV6=n buildRandy Dunlap
Fix bridge netfilter code so that it uses CONFIG_IPV6 as needed: net/built-in.o: In function `ebt_filter_ip6': ebt_ip6.c:(.text+0x87c37): undefined reference to `ipv6_skip_exthdr' net/built-in.o: In function `ebt_log_packet': ebt_log.c:(.text+0x88dee): undefined reference to `ipv6_skip_exthdr' make[1]: *** [.tmp_vmlinux1] Error 1 Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17bridge: make bridge address settings stickyStephen Hemminger
Normally, the bridge just chooses the smallest mac address as the bridge id and mac address of bridge device. But if the administrator has explictly set the interface address then don't change it. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17bridge: handle process all link-local framesStephen Hemminger
Any frame addressed to link-local addresses should be processed by local receive path. The earlier code would process them only if STP was enabled. Since there are other frames like LACP for bonding, we should always process them. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17sctp: fix error path in sctp_proc_initPavel Emelyanov
After the sctp_remaddr_proc_init failed, the proper rollback is not the sctp_remaddr_proc_exit, but the sctp_assocs_proc_exit. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17netrom: Kill spurious NULL'ing of sk->sk_socket.David S. Miller
In nr_release(), one code path calls sock_orphan() which will NULL out sk->sk_socket already. In the other case, handling states other than NR_STATE_{0,1,2,3}, seems to not be possible other than due to bugs. Even for an uninitialized nr->state value, that would be zero or NR_STATE_0. It might be wise to stick a WARN_ON() here. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17x25: Use sock_orphan() instead of open-coded (and buggy) variant.David S. Miller
It doesn't grab the sk_callback_lock, it doesn't NULL out the sk->sk_sleep waitqueue pointer, etc. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17econet: Use sock_orphan() instead of open-coded (and buggy) variant.David S. Miller
It doesn't grab the sk_callback_lock, it doesn't NULL out the sk->sk_sleep waitqueue pointer, etc. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17x25: Use sock_graft() and remove bogus sk_socket and sk_sleep init.David S. Miller
This is the x25 variant of changeset 9375cb8a1232d2a15fe34bec4d3474872e02faec ("ax25: Use sock_graft() and remove bogus sk_socket and sk_sleep init.") Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17rose: Use sock_graft() and remove bogus sk_socket and sk_sleep init.David S. Miller
This is the rose variant of changeset 9375cb8a1232d2a15fe34bec4d3474872e02faec ("ax25: Use sock_graft() and remove bogus sk_socket and sk_sleep init.") Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17netrom: Use sock_graft() and remove bogus sk_socket and sk_sleep init.David S. Miller
This is the netrom variant of changeset 9375cb8a1232d2a15fe34bec4d3474872e02faec ("ax25: Use sock_graft() and remove bogus sk_socket and sk_sleep init.") Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17ax25: Use sock_graft() and remove bogus sk_socket and sk_sleep init.David S. Miller
The way that listening sockets work in ax25 is that the packet input code path creates new socks via ax25_make_new() and attaches them to the incoming SKB. This SKB gets queued up into the listening socket's receive queue. When accept()'d the sock gets hooked up to the real parent socket. Alternatively, if the listening socket is closed and released, any unborn socks stuff up in the receive queue get released. So during this time period these sockets are unreachable in any other way, so no wakeup events nor references to their ->sk_socket and ->sk_sleep members can occur. And even if they do, all such paths have to make NULL checks. So do not deceptively initialize them in ax25_make_new() to the values in the listening socket. Leave them at NULL. Finally, use sock_graft() in ax25_accept(). Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17llc: Use sock_graft() instead of by-hand version.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17net: Kill SOCK_SLEEP_PRE and SOCK_SLEEP_POST, no users.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17decnet: Remove SOCK_SLEEP_{PRE,POST} usage.David S. Miller
Just expand the wait sequence. And as a nice side-effect the timeout is respected now. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-17sctp: Kill SCTP_SOCK_SLEEP_{PRE,POST}, unused.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/rt2x00/Kconfig drivers/net/wireless/rt2x00/rt2x00usb.c net/sctp/protocol.c
2008-06-16atm: [he] send idle cells instead of unassigned when in SDH modeChas Williams
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16atm: [he] limit queries to the device's register spaceRobert T. Johnson
From: "Robert T. Johnson" <rtjohnso@eecs.berkeley.edu> Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil>
2008-06-16atm: [br2864] fix routed vcmux supportEric Kinzie
From: Eric Kinzie <ekinzie@cmf.nrl.navy.mil> Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16atm: [he] only support suni driver on multimode interfacesChas Williams
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16atm: [iphase] doesn't call phy->start due to a bogus #ifndefJorge Boncompte [DTI2]
This causes the suni driver to oops if you try to use sonetdiag to get the statistics. Also add the corresponding phy->stop call to fix another oops if you try to remove the module. Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16atm: [iphase] set drvdata before enabling interruptsJorge Boncompte [DTI2]
Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16atm: [br2684] Fix oops due to skb->dev being NULLJorge Boncompte [DTI2]
It happens that if a packet arrives in a VC between the call to open it on the hardware and the call to change the backend to br2684, br2684_regvcc processes the packet and oopses dereferencing skb->dev because it is NULL before the call to br2684_push(). Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net> Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil>
2008-06-16netns: introduce the net_hash_mix "salt" for hashesPavel Emelyanov
There are many possible ways to add this "salt", thus I made this patch to be the last in the series to change it if required. Currently I propose to use the struct net pointer itself as this salt, but since this pointer is most often cache-line aligned, shift this right to eliminate the bits, that are most often zeroed. After this, simply add this mix to prepared hashfn-s. For CONFIG_NET_NS=n case this salt is 0 and no changes in hashfn appear. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16inet6: add struct net argument to inet6_ehashfnPavel Emelyanov
Same as for inet_hashfn, prepare its ipv6 incarnation. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16inet: add struct net argument to inet_ehashfnPavel Emelyanov
Although this hash takes addresses into account, the ehash chains can also be too long when, for instance, communications via lo occur. So, prepare the inet_hashfn to take struct net into account. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16inet: add struct net argument to inet_lhashfnPavel Emelyanov
Listening-on-one-port sockets in many namespaces produce long chains in the listening_hash-es, so prepare the inet_lhashfn to take struct net into account. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16inet: add struct net argument to inet_bhashfnPavel Emelyanov
Binding to some port in many namespaces may create too long chains in bhash-es, so prepare the hashfn to take struct net into account. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16udp: add struct net argument to udp_hashfnPavel Emelyanov
Every caller already has this one. The new argument is currently unused, but this will be fixed shortly. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16udp: provide a struct net pointer for __udp[46]_lib_mcast_deliverPavel Emelyanov
They both calculate the hash chain, but currently do not have a struct net pointer, so pass one there via additional argument, all the more so their callers already have such. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16udp: introduce a udp_hashfn functionPavel Emelyanov
Currently the chain to store a UDP socket is calculated with simple (x & (UDP_HTABLE_SIZE - 1)). But taking net into account would make this calculation a bit more complex, so moving it into a function would help. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16ipv4: Remove unused definitions in net/ipv4/tcp_ipv4.c.Rami Rosen
1) Remove ICMP_MIN_LENGTH, as it is unused. 2) Remove unneeded tcp_v4_send_check() declaration. Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16raw: Restore /proc/net/raw correct behaviorEric Dumazet
I just noticed "cat /proc/net/raw" was buggy, missing '\n' separators. I believe this was introduced by commit 8cd850efa4948d57a2ed836911cfd1ab299e89c6 ([RAW]: Cleanup IPv4 raw_seq_show.) This trivial patch restores correct behavior, and applies to current Linus tree (should also be applied to stable tree as well.) Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16net: Fix test for VLAN TX checksum offload capabilityBen Hutchings
Selected device feature bits can be propagated to VLAN devices, so we can make use of TX checksum offload and TSO on VLAN-tagged packets. However, if the physical device does not do VLAN tag insertion or generic checksum offload then the test for TX checksum offload in dev_queue_xmit() will see a protocol of htons(ETH_P_8021Q) and yield false. This splits the checksum offload test into two functions: - can_checksum_protocol() tests a given protocol against a feature bitmask - dev_can_checksum() first tests the skb protocol against the device features; if that fails and the protocol is htons(ETH_P_8021Q) then it tests the encapsulated protocol against the effective device features for VLANs Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16sctp: Correclty set changeover_active for SFR-CACCVlad Yasevich
Right now, any time we set a primary transport we set the changeover_active flag. As a result, we invoke SFR-CACC even when there has been no changeover events. Only set changeover_active, when there is a true changeover event, i.e. we had a primary path and we are changing to another transport. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16sctp: Correctly cleanup procfs entries upon failure.Wei Yongjun
This patch remove the proc fs entry which has been created if fail to set up proc fs entry for the SCTP protocol. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16tcp: Revert reset of deferred accept changes in 2.6.26David S. Miller
Ingo's system is still seeing strange behavior, and he reports that is goes away if the rest of the deferred accept changes are reverted too. Therefore this reverts e4c78840284f3f51b1896cf3936d60a6033c4d2c ("[TCP]: TCP_DEFER_ACCEPT updates - dont retxmt synack") and 539fae89bebd16ebeafd57a87169bc56eb530d76 ("[TCP]: TCP_DEFER_ACCEPT updates - defer timeout conflicts with max_thresh"). Just like the other revert, these ideas can be revisited for 2.6.27 Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16ipv6 sit: Avoid extra need for compat layer in PRL management.YOSHIFUJI Hideaki
We've introduced extra need of compat layer for ip_tunnel_prl{} for PRL (Potential Router List) management. Though compat_ioctl is still missing in ipv4/ipv6, let's make the interface more straight-forward and eliminate extra need for nasty compat layer anyway since the interface is new for 2.6.26. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16pkt_sched: Change HTB_HYSTERESIS to a runtime parameter htb_hysteresis.Jesper Dangaard Brouer
Add a htb_hysteresis parameter to htb_sch.ko and by sysfs magic make it runtime adjustable via /sys/module/sch_htb/parameters/htb_hysteresis mode 640. Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk> Acked-by: Martin Devera <devik@cdi.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16pkt_sched: HTB scheduler, change default hysteresis mode to off.Jesper Dangaard Brouer
The HTB hysteresis mode reduce the CPU load, but at the cost of scheduling accuracy. On ADSL links (512 kbit/s upstream), this inaccuracy introduce significant jitter, enought to disturbe VoIP. For details see my masters thesis (http://www.adsl-optimizer.dk/thesis/), chapter 7, section 7.3.1, pp 69-70. Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk> Acked-by: Martin Devera <devik@cdi.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-14Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6
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