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* batman-adv: Move call to batadv_nc_skb_forward() from routing.c to send.cMartin Hundebøll2013-05-298-37/+51
| | | | | | | | | | | | | | The call to batadv_nc_skb_forward() fits better in batadv_send_skb_to_orig(), as this is where the actual next hop is looked up. To let the caller of batadv_send_skb_to_orig() know wether the skb is transmitted, buffered or failed, the return value is changed from boolean to int. Signed-off-by: Martin Hundebøll <martin@hundeboll.net> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
* batman-adv: print the VID properlyAntonio Quartulli2013-05-291-16/+21
| | | | | | | | | | Since the MSB bits of any vid variable are now used for storing flags, print the vid properly by taking the flags away and printing -1 in case of VID representing no real VLAN. Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: change VID semantic in the BLA codeAntonio Quartulli2013-05-295-33/+49
| | | | | | | | | | | | | | | In order to make batman-adv fully vlan aware later, the semantic used for variables storing the VLAN ID values has to be changed in order to be adapted to the new one which will be used batman-adv wide. In particular, the VID has to be an "_unsigned_ short int" and its 4 MSB will be used as a flag bitfield, while the remaining 12 bits are used to store the real VID value Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Acked-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
* batman-adv: do not print orig nodes without nc neighbors on nc table printMarek Lindner2013-05-291-0/+7
| | | | | Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
* batman-adv: Remove unnecessary INIT_HLIST_NODE() callsLinus Lüssing2013-05-292-4/+0Star
| | | | | | | | | | There's no need to for an explicit hlist_node initialization if it is added to a list right away, like it's the case with the hlist_add_head()s here. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
* batman-adv: pass a 16bit long flag argument to tt_global_add()Antonio Quartulli2013-05-292-3/+18
| | | | | | | | it may be the case that we want to store some local TT client flags in a global entry, therefore the tt_global_add needs to get a proper argument for this Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: don't deal with NET_IP_ALIGN manuallyAntonio Quartulli2013-05-294-21/+21
| | | | | | | | | | Instead of dealing with NET_IP_ALIGN during allocation and headroom reservation, it is possible to use netdev_alloc_skb_ip_align() which transparently allocate and reserve the correct amount of data Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: refactor batadv_tt_local_event()Antonio Quartulli2013-05-291-8/+15
| | | | | | | | | | | | | | Instead of passing a generic combination of flags as argument, it is easier to pass the entire tt_common structure (containing the flags already set) plus a bitfield of event flags that will be unified with the already existing ones before inserting the client in the event queue. In this way invocations of the modified function can be simplified. Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: move batadv_slide_own_bcast_window to bat_iv_ogm.cAntonio Quartulli2013-05-293-31/+36
| | | | | | | | | | | batadv_slide_own_bcast_window() is used only in bat_iv_ogm.c and it is currently touching only batman_iv specific attributes. Move it into bat_iv_ogm.c and make it static. Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: move ring_buffer helper functions in bat_iv_ogmAntonio Quartulli2013-05-294-80/+42Star
| | | | | | | | | | the two lonely ring_buffer helper functions are used by the bat_iv_ogm module only and therefore they can be moved inside it. Reported-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: use eth_hdr() when it makes senseAntonio Quartulli2013-05-296-18/+18
| | | | | | | | | Instead of casting the result of skb_mac_header() to "struct ethhdr *" every time, the eth_hdr inline function can be use to beautify the code and improve its readability. Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: don't initialise batman_iv private members in hard-interface.cAntonio Quartulli2013-05-291-7/+1Star
| | | | | | | | | | | hard-interface.c has to do not contain any routing algorithm specific code. Allocate the hard-interface with kzalloc() and remove any useless and algorithm specific member initialisation Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: do not silently ignore wrong conditionAntonio Quartulli2013-05-291-1/+1
| | | | | | | | | | | Only one neigh_node per orig_node should match a given neighbor address, therefore, if more than one matching neigh_node is found, a WARNING has to be triggered to let the user know that something is wrong in the originator state instead of silently skipping the error. Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: don't check compat version twiceAntonio Quartulli2013-05-291-7/+0Star
| | | | | | | | | Compatibility version is checked upon packet reception before calling any handler. For this reason it does need to be checked once more in the handler itself. Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: don't check the source address twiceAntonio Quartulli2013-05-291-11/+1Star
| | | | | | | | | | The source address has already been checked in batadv_check_management_packet() upon packet reception and therefore it does not need to be checked again in ogm_process() Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: slightly improve neighbor creation debug messageAntonio Quartulli2013-05-291-1/+2
| | | | | | | print the interface along with the new neighbor mac address Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: drop useless argument seqno in neighbor creationAntonio Quartulli2013-05-293-11/+7Star
| | | | | | | | | | | | | the sequence number is not stored in struct neigh_node, therefore there is no need to pass such value to the neigh_node creation procedure. At the moment the value is only used by a debug message, but given the fact that the seqno is not related to the neighbor object, it is better to print it elsewhere. Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
* batman-adv: fix typos in kernel doc & commentsMarek Lindner2013-05-291-43/+39Star
| | | | | Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
* batman-adv: send each broadcast only once on non-wireless interfacesMatthias Schiffer2013-05-294-1/+15
| | | | | | | | | | | | | | While it makes sense to send each broadcast thrice on 802.11 (WLAN) interfaces as broadcasts are often unreliable on these, there is no reason to do so on other interface types. The increased the overhead can be harmful on low-bandwidth links like VPN connections over slow internet lines, therefore it is better to reduce the number of broadcast packets sent on non-wireless links to one. Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
* batman-adv: split batadv_is_wifi_iface() into two functionsMatthias Schiffer2013-05-291-32/+52
| | | | | | | | | | | | Previously batadv_is_wifi_iface() did two things at once: looking up a net_device from an interface index, and determining if it is a wifi device. The second part is useful itself when the caller already has a net_device reference. Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
* net: Fix build warnings after mac_header and transport_header became __u16.David S. Miller2013-05-281-5/+5
| | | | | | | | | | | | | net/core/skbuff.c: In function ‘__alloc_skb_head’: net/core/skbuff.c:203:2: warning: large integer implicitly truncated to unsigned type [-Woverflow] net/core/skbuff.c: In function ‘__alloc_skb’: net/core/skbuff.c:279:2: warning: large integer implicitly truncated to unsigned type [-Woverflow] net/core/skbuff.c:280:2: warning: large integer implicitly truncated to unsigned type [-Woverflow] net/core/skbuff.c: In function ‘build_skb’: net/core/skbuff.c:348:2: warning: large integer implicitly truncated to unsigned type [-Woverflow] net/core/skbuff.c:349:2: warning: large integer implicitly truncated to unsigned type [-Woverflow] Signed-off-by: David S. Miller <davem@davemloft.net>
* arp: flush arp cache on IFF_NOARP changeTimo Teräs2013-05-281-0/+6
| | | | | | | | | | | | IFF_NOARP affects what kind of neighbor entries are created (nud NOARP or nud INCOMPLETE). If the flag changes, flush the arp cache to refresh all entries. Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Jiri Pirko <jiri@resnulli.us> v2->v3: shortened notifier_info struct name Signed-off-by: David S. Miller <davem@davemloft.net>
* net: pass changed flags along with NETDEV_CHANGE eventJiri Pirko2013-05-281-2/+7
| | | | | | | | | | Use new netdevice notifier infrastructure to pass along changed flags. Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Jiri Pirko <jiri@resnulli.us> v2->v3: shortened notifier_info struct name Signed-off-by: David S. Miller <davem@davemloft.net>
* net: pass info struct via netdevice notifierJiri Pirko2013-05-2851-93/+124
| | | | | | | | | | | | | | So far, only net_device * could be passed along with netdevice notifier event. This patch provides a possibility to pass custom structure able to provide info that event listener needs to know. Signed-off-by: Jiri Pirko <jiri@resnulli.us> v2->v3: fix typo on simeth shortened dev_getter shortened notifier_info struct name v1->v2: fix notifier_call parameter in call_netdevice_notifier() Signed-off-by: David S. Miller <davem@davemloft.net>
* netpoll: remove return value from netpoll_rx_disable()dingtianhong2013-05-282-13/+5Star
| | | | | | | | The netpoll_rx_disable() will always return 0, it is no use and looks wordy, so remove the unnecessary code and get rid of it in _dev_open and _dev_close. Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* MPLS: Add limited GSO supportSimon Horman2013-05-2812-2/+134
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the case where a non-MPLS packet is received and an MPLS stack is added it may well be the case that the original skb is GSO but the NIC used for transmit does not support GSO of MPLS packets. The aim of this code is to provide GSO in software for MPLS packets whose skbs are GSO. SKB Usage: When an implementation adds an MPLS stack to a non-MPLS packet it should do the following to skb metadata: * Set skb->inner_protocol to the old non-MPLS ethertype of the packet. skb->inner_protocol is added by this patch. * Set skb->protocol to the new MPLS ethertype of the packet. * Set skb->network_header to correspond to the end of the L3 header, including the MPLS label stack. I have posted a patch, "[PATCH v3.29] datapath: Add basic MPLS support to kernel" which adds MPLS support to the kernel datapath of Open vSwtich. That patch sets the above requirements in datapath/actions.c:push_mpls() and was used to exercise this code. The datapath patch is against the Open vSwtich tree but it is intended that it be added to the Open vSwtich code present in the mainline Linux kernel at some point. Features: I believe that the approach that I have taken is at least partially consistent with the handling of other protocols. Jesse, I understand that you have some ideas here. I am more than happy to change my implementation. This patch adds dev->mpls_features which may be used by devices to advertise features supported for MPLS packets. A new NETIF_F_MPLS_GSO feature is added for devices which support hardware MPLS GSO offload. Currently no devices support this and MPLS GSO always falls back to software. Alternate Implementation: One possible alternate implementation is to teach netif_skb_features() and skb_network_protocol() about MPLS, in a similar way to their understanding of VLANs. I believe this would avoid the need for net/mpls/mpls_gso.c and in particular the calls to __skb_push() and __skb_push() in mpls_gso_segment(). I have decided on the implementation in this patch as it should not introduce any overhead in the case where mpls_gso is not compiled into the kernel or inserted as a module. MPLS GSO suggested by Jesse Gross. Based in part on "v4 GRE: Add TCP segmentation offload for GRE" by Pravin B Shelar. Cc: Jesse Gross <jesse@nicira.com> Cc: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* tcp: Remove 2 indentation levels in tcp_rcv_state_processJoe Perches2013-05-261-37/+39
| | | | | | | | | | case TCP_FIN_WAIT1 can also be simplified by reversing tests and adding breaks; Add braces after case and move automatic definitions. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tcp: Remove another indentation level in tcp_rcv_state_processJoe Perches2013-05-261-59/+51Star
| | | | | | | | | | | | | | | | | | | | | | | | case TCP_SYN_RECV: can have another indentation level removed by converting if (acceptable) { ...; } else { return 1; } to if (!acceptable) return 1; ...; Reflow code and comments to fit 80 columns. Another pure cleanup patch. Signed-off-by: Joe Perches <joe@perches.com> Improved-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tcp: remove one indentation level in tcp_rcv_state_process()Eric Dumazet2013-05-261-136/+133Star
| | | | | | | | | | | | | | | | | Remove one level of indentation 'introduced' in commit c3ae62af8e75 (tcp: should drop incoming frames without ACK flag set) if (true) { ... } @acceptable variable is a boolean. This patch is a pure cleanup. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: add netnotifier event for upper device changeJiri Pirko2013-05-261-1/+2
| | | | | | | | | Now when upper device is changed, event is not propagated via RT Netlink to userspace. Userspace might never now about the change. Fix this by adding upper-device-change notifier event. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: ipv6: Add IPv6 support to the ping socket.Lorenzo Colitti2013-05-266-168/+643
| | | | | | | | | | | | | | | | | | | | | | | | | | | This adds the ability to send ICMPv6 echo requests without a raw socket. The equivalent ability for ICMPv4 was added in 2011. Instead of having separate code paths for IPv4 and IPv6, make most of the code in net/ipv4/ping.c dual-stack and only add a few IPv6-specific bits (like the protocol definition) to a new net/ipv6/ping.c. Hopefully this will reduce divergence and/or duplication of bugs in the future. Caveats: - Setting options via ancillary data (e.g., using IPV6_PKTINFO to specify the outgoing interface) is not yet supported. - There are no separate security settings for IPv4 and IPv6; everything is controlled by /proc/net/ipv4/ping_group_range. - The proc interface does not yet display IPv6 ping sockets properly. Tested with a patched copy of ping6 and using raw socket calls. Compiles and works with all of CONFIG_IPV6={n,m,y}. Signed-off-by: Lorenzo Colitti <lorenzo@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2013-05-2535-137/+309
|\ | | | | | | | | | | | | Merge net into net-next because some upcoming net-next changes build on top of bug fixes that went into net. Signed-off-by: David S. Miller <davem@davemloft.net>
| * Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds2013-05-2433-86/+305
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking fixes from David Miller: "It's been a while since my last pull request so quite a few fixes have piled up." Indeed. 1) Fix nf_{log,queue} compilation with PROC_FS disabled, from Pablo Neira Ayuso. 2) Fix data corruption on some tg3 chips with TSO enabled, from Michael Chan. 3) Fix double insertion of VLAN tags in be2net driver, from Sarveshwar Bandi. 4) Don't have TCP's MD5 support pass > PAGE_SIZE page offsets in scatter-gather entries into the crypto layer, the crypto layer can't handle that. From Eric Dumazet. 5) Fix lockdep splat in 802.1Q MRP code, also from Eric Dumazet. 6) Fix OOPS in netfilter log module when called from conntrack, from Hans Schillstrom. 7) FEC driver needs to use netif_tx_{lock,unlock}_bh() rather than the non-BH disabling variants. From Fabio Estevam. 8) TCP GSO can generate out-of-order packets, fix from Eric Dumazet. 9) vxlan driver doesn't update 'used' field of fdb entries when it should, from Sridhar Samudrala. 10) ipv6 should use kzalloc() to allocate inet6 socket cork options, otherwise we can OOPS in ip6_cork_release(). From Eric Dumazet. 11) Fix races in bonding set mode, from Nikolay Aleksandrov. 12) Fix checksum generation regression added by "r8169: fix 8168evl frame padding.", from Francois Romieu. 13) ip_gre can look at stale SKB data pointer, fix from Eric Dumazet. 14) Fix checksum handling when GSO is enabled in bnx2x driver with certain chips, from Yuval Mintz. 15) Fix double free in batman-adv, from Martin Hundebøll. 16) Fix device startup synchronization with firmware in tg3 driver, from Nithin Sujit. 17) perf networking dropmonitor doesn't work at all due to mixed up trace parameter ordering, from Ben Hutchings. 18) Fix proportional rate reduction handling in tcp_ack(), from Nandita Dukkipati. 19) IPSEC layer doesn't return an error when a valid state is detected, causing an OOPS. Fix from Timo Teräs. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (85 commits) be2net: bug fix on returning an invalid nic descriptor tcp: xps: fix reordering issues net: Revert unused variable changes. xfrm: properly handle invalid states as an error virtio_net: enable napi for all possible queues during open tcp: bug fix in proportional rate reduction. net: ethernet: sun: drop unused variable net: ethernet: korina: drop unused variable net: ethernet: apple: drop unused variable qmi_wwan: Added support for Cinterion's PLxx WWAN Interface perf: net_dropmonitor: Remove progress indicator perf: net_dropmonitor: Use bisection in symbol lookup perf: net_dropmonitor: Do not assume ordering of dictionaries perf: net_dropmonitor: Fix symbol-relative addresses perf: net_dropmonitor: Fix trace parameter order net: fec: use a more proper compatible string for MVF type device qlcnic: Fix updating netdev->features qlcnic: remove netdev->trans_start updates within the driver qlcnic: Return proper error codes from probe failure paths tg3: Update version to 3.132 ...
| | * tcp: xps: fix reordering issuesEric Dumazet2013-05-241-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 3853b5841c01a ("xps: Improvements in TX queue selection") introduced ooo_okay flag, but the condition to set it is slightly wrong. In our traces, we have seen ACK packets being received out of order, and RST packets sent in response. We should test if we have any packets still in host queue. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Tom Herbert <therbert@google.com> Cc: Yuchung Cheng <ycheng@google.com> Cc: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * xfrm: properly handle invalid states as an errorTimo Teräs2013-05-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The error exit path needs err explicitly set. Otherwise it returns success and the only caller, xfrm_output_resume(), would oops in skb_dst(skb)->ops derefence as skb_dst(skb) is NULL. Bug introduced in commit bb65a9cb (xfrm: removes a superfluous check and add a statistic). Signed-off-by: Timo Teräs <timo.teras@iki.fi> Cc: Li RongQing <roy.qing.li@gmail.com> Cc: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * tcp: bug fix in proportional rate reduction.Nandita Dukkipati2013-05-231-10/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is a fix for a bug triggering newly_acked_sacked < 0 in tcp_ack(.). The bug is triggered by sacked_out decreasing relative to prior_sacked, but packets_out remaining the same as pior_packets. This is because the snapshot of prior_packets is taken after tcp_sacktag_write_queue() while prior_sacked is captured before tcp_sacktag_write_queue(). The problem is: tcp_sacktag_write_queue (tcp_match_skb_to_sack() -> tcp_fragment) adjusts the pcount for packets_out and sacked_out (MSS change or other reason). As a result, this delta in pcount is reflected in (prior_sacked - sacked_out) but not in (prior_packets - packets_out). This patch does the following: 1) initializes prior_packets at the start of tcp_ack() so as to capture the delta in packets_out created by tcp_fragment. 2) introduces a new "previous_packets_out" variable that snapshots packets_out right before tcp_clean_rtx_queue, so pkts_acked can be correctly computed as before. 3) Computes pkts_acked using previous_packets_out, and computes newly_acked_sacked using prior_packets. Signed-off-by: Nandita Dukkipati <nanditad@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * batman-adv: Avoid double freeing of bat_countersMartin Hundebøll2013-05-212-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On errors in batadv_mesh_init(), bat_counters will be freed in both batadv_mesh_free() and batadv_softif_init_late(). This patch fixes this by returning earlier from batadv_softif_init_late() in case of errors in batadv_mesh_init() and by setting bat_counters to NULL after freeing. Signed-off-by: Martin Hundebøll <martin@hundeboll.net> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
| | * Merge branch 'master' of ↵John W. Linville2013-05-2010-31/+101
| | |\ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
| | | * cfg80211: fix sending WoWLAN TCP wakeup settingsJohannes Berg2013-05-161-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The code sending the current WoWLAN TCP wakeup settings in nl80211_send_wowlan_tcp() is not closing the nested attribute, thus causing the parser to get confused on the receiver side in userspace (iw). Fix this. Cc: stable@vger.kernel.org [3.9] Reported-by: Deepak Arora <deepakx.arora@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * mac80211: report deauth to cfg80211 for local state changeJohannes Berg2013-05-161-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Even if the frame isn't transmitted to the AP, we need to report it to cfg80211 so the state there can be updated correctly. Reported-by: Jouni Malinen <j@w1.fi> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * cfg80211: fix interface down/disconnect state handlingJohannes Berg2013-05-162-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the interface goes down, there's no need to call cfg80211_mlme_down() after __cfg80211_disconnect() as the latter will call the former (if appropriate.) Also, in __cfg80211_disconnect(), if the cfg80211 SME isn't used, __cfg80211_disconnected() may still need to be called (depending on the current state) so that the SME state gets cleared. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * mac80211: fix AP-mode frame matchingJohannes Berg2013-05-161-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In AP mode, ignore frames with mis-matched BSSID that aren't multicast or sent to the correct destination. This fixes reporting public action frames to userspace multiple times on multiple virtual AP interfaces. Cc: stable@vger.kernel.org Reported-by: Jouni Malinen <j@w1.fi> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * nl80211: Add wdev identifier to some nl80211 notificationsIlan Peer2013-05-161-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adding the attributes fixes an issue with P2P Device not working properly for management frame TX. Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * mac80211: use just spin_lock() in ieee80211_get_tkip_p2k()Johannes Berg2013-05-161-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ieee80211_get_tkip_p2k() may be called with interrupts disabled, so spin_unlock_bh() isn't safe and leads to warnings. Since it's always called with BHs disabled already, just use spin_lock(). Cc: stable@vger.kernel.org Reported-by: Milan Kocian <milon@wq.cz> Acked-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * mac80211: fix spurious RCU warning and update documentationFelix Fietkau2013-05-161-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Document rx vs tx status concurrency requirements. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * mac80211: fix HT beacon-based channel switch handlingJohannes Berg2013-05-161-6/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When an HT AP is advertising channel switch in a beacon, it doesn't (and shouldn't, according to 802.11-2012 Table 8-20) include a secondary channel offset element. The only possible interpretation is that the previous secondary channel offset remains valid, so use that when switching channel based only on beacon information. VHT requires the Wide Bandwidth Channel Switch subelement to be present in the Channel Switch Wrapper element, so the code for that is probably ok (see 802.11ac Draft 4, 8.4.2.165.) Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * mac80211: fix IEEE80211_SDATA_DISCONNECT_RESUMEJohannes Berg2013-05-163-0/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 12e7f517029dad819c45eca9ca01fdb9ba57616b, IEEE80211_SDATA_DISCONNECT_RESUME no longer worked as it would simply never be tested. Restore a bit of the code removed there and in 9b7d72c1041ec5b20b24af487a9 to make it work again. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * cfg80211: fix WoWLAN wakeup tracingJohannes Berg2013-05-161-10/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the device reports a non-wireless wakeup reason, the tracing code crashes trying to dereference a NULL pointer. Fix this by checking the pointer on all accesses and also add a non_wireless tag to the event. Cc: stable@vger.kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * cfg80211: fix wiphy_register error pathJohannes Berg2013-05-161-6/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If rfkill_register() fails in wiphy_register() the struct device is unregistered but everything else isn't (regulatory, debugfs) and we even leave the wiphy instance on all internal lists even though it will likely be freed soon, which is clearly a problem. Fix this by cleaning up properly. Cc: stable@vger.kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | * | ip_gre: fix a possible crash in ipgre_err()Eric Dumazet2013-05-201-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Another fix needed in ipgre_err(), as parse_gre_header() might change skb->head. Bug added in commit c54419321455 (GRE: Refactor GRE tunneling code.) Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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