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2010-03-30net-caif: add CAIF core protocol stackSjur Braendeland11-0/+1981
CAIF generic protocol implementation. This layer is somewhat generic in order to be able to use and test it outside the Linux Kernel. cfctrl.c - CAIF control protocol layer cfdbgl.c - CAIF debug protocol layer cfdgml.c - CAIF datagram protocol layer cffrml.c - CAIF framing protocol layer cfmuxl.c - CAIF mux protocol layer cfrfml.c - CAIF remote file manager protocol layer cfserl.c - CAIF serial (fragmentation) protocol layer cfsrvl.c - CAIF generic service layer functions cfutill.c - CAIF utility protocol layer cfveil.c - CAIF AT protocol layer cfvidl.c - CAIF video protocol layer Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-29Merge branch 'master' of ↵David S. Miller9-79/+319
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2010-03-29rps: fix net-sysfs build for !CONFIG_RPSStephen Rothwell1-3/+4
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-28net: __netif_receive_skb should be staticEric Dumazet1-1/+1
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-27net: increase preallocated size of nlmsg to accomodate for IFLA_STATS64Jan Engelhardt1-0/+1
When more data is stuffed into an nlmsg than initially projected, an extra allocation needs to be done. Reserve enough for IFLA_STATS64 so that this does not to needlessy happen. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-27net: fix unaligned access in IFLA_STATS64Jan Engelhardt1-31/+31
Tony Luck observes that the original IFLA_STATS64 submission causes unaligned accesses. This is because nla_data() returns a pointer to a memory region that is only aligned to 32 bits. Do some memcpying to workaround this. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-26netlink: use the appropriate namespace pidTom Goff1-1/+1
This was included in OpenVZ kernels but wasn't integrated upstream. >From git://git.openvz.org/pub/linux-2.6.24-openvz: commit 5c69402f18adf7276352e051ece2cf31feefab02 Author: Alexey Dobriyan <adobriyan@openvz.org> Date: Mon Dec 24 14:37:45 2007 +0300 netlink: fixup ->tgid to work in multiple PID namespaces Signed-off-by: Tom Goff <thomas.goff@boeing.com> Acked-by: Alexey Dobriyan <adobriyan@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-25ipv6: Fix result generation in ipv6_get_ifaddr().David S. Miller1-3/+4
Finishing naturally from hlist_for_each_entry(x, ...) does not result in 'x' being NULL. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-25ipv6: Preserve pervious behavior in ipv6_link_dev_addr().David S. Miller1-1/+1
Use list_add_tail() to get the behavior we had before the list_head conversion for ipv6 address lists. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-25rps: add CONFIG_RPSEric Dumazet2-10/+24
RPS currently depends on SMP and SYSFS Adding a CONFIG_RPS makes sense in case this requirement changes in the future. This patch saves about 1500 bytes of kernel text in case SMP is on but SYSFS is off. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-24tipc: remove trailing space in messagesFrans Pop3-6/+6
Signed-off-by: Frans Pop <elendil@planet.nl> Cc: Per Liden <per.liden@ericsson.com> Cc: Jon Maloy <jon.maloy@ericsson.com> Cc: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-24net: remove trailing space in messagesFrans Pop9-11/+11
Signed-off-by: Frans Pop <elendil@planet.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-24rds: cleanup: remove unneeded variableDan Carpenter1-2/+0
We never use "sk" so this patch removes it. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-24wimax: remove unneeded variableDan Carpenter2-4/+0
We never actually use "dev" so I removed it. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-24llc: cleanup: remove dead code from llc_init()Dan Carpenter1-6/+0
We don't need "dev" any more after: a5a04819c5740cb1aa217af2cc8f5ef26f33d744 [LLC]: station source mac address Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-24mac80211: remove unneed variable from ieee80211_tx_pending()Dan Carpenter1-2/+0
We don't need "sdata" any more after: d84f323477260e773d5317ad7cbe50f76115cb47 mac80211: remove dev_hold/put calls Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-03-24mac80211: Add support for connection quality monitoringJuuso Oikarinen2-0/+42
Add support for the set_cqm_config op. This op function configures the requested connection quality monitor rssi threshold and rssi hysteresis values to the hardware if the hardware supports IEEE80211_HW_SUPPORTS_CQM. For unsupported hardware, currently -EOPNOTSUPP is returned, so the mac80211 is currently not doing connection quality monitoring on the host. This could be added later, if needed. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-03-24cfg80211: Add connection quality monitoring support to nl80211Juuso Oikarinen3-0/+150
Add support for basic configuration of a connection quality monitoring to the nl80211 interface, and basic support for notifying about triggered monitoring events. Via this interface a user-space connection manager may configure and receive pre-warning events of deteriorating WLAN connection quality, and start preparing for roaming in advance, before the connection is already lost. An example usage of such a trigger is starting scanning for nearby AP's in an attempt to find one with better connection quality, and associate to it before the connection characteristics of the existing connection become too bad or the association is even lost, leading in a prolonged delay in connectivity. The interface currently supports only RSSI, but it could be later extended to include other parameters, such as signal-to-noise ratio, if need for that arises. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-03-23net: Fix locking in flush_backlogTom Herbert1-4/+8
Need to take spinlocks when dequeuing from input_pkt_queue in flush_backlog. Also, flush_backlog can now be called directly from netdev_run_todo. Signed-off-by: Tom Herbert <therbert@google.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-23mac80211: Add support for connection monitor in hardwareJuuso Oikarinen3-10/+60
This patch is based on a RFC patch by Kalle Valo. The wl1271 has a feature which handles the connection monitor logic in hardware, basically sending periodically nullfunc frames and reporting to the host if AP is lost, after attempting to recover by sending probe-requests to the AP. Add support to mac80211 by adding a new flag IEEE80211_HW_CONNECTION_MONITOR which prevents conn_mon_timer from triggering during idle periods, and prevents sending probe-requests to the AP if beacon-loss is indicated by the hardware. Cc: Kalle Valo <kalle.valo@nokia.com> Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-03-23net/wireless/wext-core.c: Use IW_EVENT_IDX macroJoe Perches1-11/+11
There's a wireless.h macro for this, might as well use it. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-03-23net/wireless/wext_core.c: Use IW_IOCTL_IDX macroJoe Perches1-56/+56
There's a wireless.h macro for this, might as well use it. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-03-22net_sched: make traffic control network namespace awareTom Goff3-80/+107
Mostly minor changes to add a net argument to various functions and remove initial network namespace checks. Make /proc/net/psched per network namespace. Signed-off-by: Tom Goff <thomas.goff@boeing.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-22Merge branch 'master' of ↵David S. Miller13-76/+271
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 Conflicts: Documentation/feature-removal-schedule.txt drivers/net/wireless/ath/ath5k/phy.c
2010-03-22rps: Fix build with CONFIG_SYSFS enabledTom Herbert1-0/+4
Fix build with CONFIG_SYSFS not enabled. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-21bridge: cleanup: remove unused assignmentDan Carpenter1-2/+0
We never actually use iph again so this assignment can be removed. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-21pktgen node allocationRobert Olsson1-5/+53
Here is patch to manipulate packet node allocation and implicitly how packets are DMA'd etc. The flag NODE_ALLOC enables the function and numa_node_id(); when enabled it can also be explicitly controlled via a new node parameter Tested this with 10 Intel 82599 ports w. TYAN S7025 E5520 CPU's. Was able to TX/DMA ~80 Gbit/s to Ethernet wires. Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-21net: dev_getfirstbyhwtype() optimizationEric Dumazet1-7/+10
Use RCU to avoid RTNL use in dev_getfirstbyhwtype() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-21net: snmp mib cleanupEric Dumazet2-3/+3
There is no point to align or pad mibs to cache lines, they are per cpu allocated with a 8 bytes alignment anyway. This wastes space for no gain. This patch removes __SNMP_MIB_ALIGN__ Since SNMP mibs contain "unsigned long" fields only, we can relax the allocation alignment from "unsigned long long" to "unsigned long" Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-21atm: Use kasprintfEric Dumazet1-9/+1
Use kasprintf in atm_proc_dev_register() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-21net: speedup netdev_set_master()Eric Dumazet1-4/+3
We currently force a synchronize_net() in netdev_set_master() This seems necessary only when a slave had a master and we dismantle it. In the other case ("ifenslave bond0 ethO"), we dont need this long delay. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-21tcp: Add SNMP counter for DEFER_ACCEPTEric Dumazet2-0/+2
Its currently hard to diagnose when ACK frames are dropped because an application set TCP_DEFER_ACCEPT on its listening socket. See http://bugzilla.kernel.org/show_bug.cgi?id=15507 This patch adds a SNMP value, named TCPDeferAcceptDrop netstat -s | grep TCPDeferAcceptDrop TCPDeferAcceptDrop: 0 This counter is incremented every time we drop a pure ACK frame received by a socket in SYN_RECV state because its SYNACK retrans count is lower than defer_accept value. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-21bonding: flush unicast and multicast lists when changing typeJiri Pirko1-2/+4
After the type change, addresses in unicast and multicast lists wouldn't make sense, not to mention possible different lenghts. So flush both lists here. Note "dev_addr_discard" will be very soon replaced by "dev_mc_flush" (once mc_list conversion will be done). Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-21net: rtnetlink: ignore NETDEV_PRE_TYPE_CHANGE in rtnetlink_event()Patrick McHardy1-0/+1
Ignore the new NETDEV_PRE_TYPE_CHANGE event in rtnetlink_event() since there have been no changes userspace needs to be notified of. Also add a comment to the netdev notifier event definitions to remind people to update the exclusion list when adding new event types. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20ipv6: Fix bug in ipv6_chk_same_addr().David S. Miller1-8/+7
hlist_for_each_entry(p...) will not necessarily initialize 'p' to anything if the hlist is empty. GCC notices this and emits a warning. Just return true explicitly when we hit a match, and return false is we fall out of the loop without one. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20ipv6: Reduce timer events for addrconf_verify().YOSHIFUJI Hideaki1-4/+23
This patch reduces timer events while keeping accuracy by rounding our timer and/or batching several address validations in addrconf_verify(). addrconf_verify() is called at earliest timeout among interface addresses' timeouts, but at maximum ADDR_CHECK_FREQUENCY (120 secs). In most cases, all of timeouts of interface addresses are long enough (e.g. several hours or days vs 2 minutes), this timer is usually called every ADDR_CHECK_FREQUENCY, and it is okay to be lazy. (Note this timer could be eliminated if all code paths which modifies variables related to timeouts call us manually, but it is another story.) However, in other least but important cases, we try keeping accuracy. When the real interface address timeout is coming, and the timeout is just before the rounded timeout, we accept some error. When a timeout has been reached, we also try batching other several events in very near future. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20IPv6: addrconf cleanup addrconf_verifystephen hemminger1-9/+4
The variable regen_advance is only used in the privacy case. Move it to simplify code and eliminate ifdef's Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20addrconf: checkpatch fixesStephen Hemminger1-173/+179
Fix some of the checkpatch complaints. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20IPv6: addrconf cleanupsStephen Hemminger1-23/+28
Some minor stuff, reformat comments and add whitespace for clarity Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20ipv6: convert idev_list to list macrosstephen hemminger2-40/+40
Convert to list macro's for the list of addresses per interface in IPv6. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20ipv6: user better hash for addrconfstephen hemminger1-17/+8
The existing hash function has a couple of issues: * it is hardwired to 16 for IN6_ADDR_HSIZE * limited to 256 and callers using int * use jhash2 rather than some old BSD algorithm No need for random seed since this is local only (based on assigned addresses) table. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20IPv6: convert addrconf hash list to RCUstephen hemminger1-41/+44
Convert from reader/writer lock to RCU and spinlock for addrconf hash list. Adds an additional helper macro for hlist_for_each_entry_continue_rcu to handle the continue case. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20ipv6: convert addrconf list to hliststephen hemminger1-75/+53
Using hash list macros, simplifies code and helps later RCU. This patch includes some initialization that is not strictly necessary, since an empty hlist node/list is all zero; and list is in BSS and node is allocated with kzalloc. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20ipv6: convert temporary address list to list macrosstephen hemminger1-18/+12
Use list macros instead of open coded linked list. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20Merge branch 'master' of ↵David S. Miller12-37/+95
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2010-03-20netfilter: ctnetlink: fix reliable event delivery if message building failsPablo Neira Ayuso2-3/+5
This patch fixes a bug that allows to lose events when reliable event delivery mode is used, ie. if NETLINK_BROADCAST_SEND_ERROR and NETLINK_RECV_NO_ENOBUFS socket options are set. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20netlink: fix NETLINK_RECV_NO_ENOBUFS in netlink_set_err()Pablo Neira Ayuso1-3/+14
Currently, ENOBUFS errors are reported to the socket via netlink_set_err() even if NETLINK_RECV_NO_ENOBUFS is set. However, that should not happen. This fixes this problem and it changes the prototype of netlink_set_err() to return the number of sockets that have set the NETLINK_RECV_NO_ENOBUFS socket option. This return value is used in the next patch in these bugfix series. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-20NET_DMA: free skbs periodicallySteven J. Magnani1-20/+43
Under NET_DMA, data transfer can grind to a halt when userland issues a large read on a socket with a high RCVLOWAT (i.e., 512 KB for both). This appears to be because the NET_DMA design queues up lots of memcpy operations, but doesn't issue or wait for them (and thus free the associated skbs) until it is time for tcp_recvmesg() to return. The socket hangs when its TCP window goes to zero before enough data is available to satisfy the read. Periodically issue asynchronous memcpy operations, and free skbs for ones that have completed, to prevent sockets from going into zero-window mode. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-19tcp: Fix tcp_mark_head_lost() with packets == 0Lennart Schulte1-0/+3
A packet is marked as lost in case packets == 0, although nothing should be done. This results in a too early retransmitted packet during recovery in some cases. This small patch fixes this issue by returning immediately. Signed-off-by: Lennart Schulte <lennart.schulte@nets.rwth-aachen.de> Signed-off-by: Arnd Hannemann <hannemann@nets.rwth-aachen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-19net: ipmr/ip6mr: fix potential out-of-bounds vif_table accessPatrick McHardy2-0/+6
mfc_parent of cache entries is used to index into the vif_table and is initialised from mfcctl->mfcc_parent. This can take values of to 2^16-1, while the vif_table has only MAXVIFS (32) entries. The same problem affects ip6mr. Refuse invalid values to fix a potential out-of-bounds access. Unlike the other validity checks, this is checked in ipmr_mfc_add() instead of the setsockopt handler since its unused in the delete path and might be uninitialized. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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