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2016-02-25net: Facility to report route quality of connected socketsTom Herbert1-0/+4
This patch add the SO_CNX_ADVICE socket option (setsockopt only). The purpose is to allow an application to give feedback to the kernel about the quality of the network path for a connected socket. The value argument indicates the type of quality report. For this initial patch the only supported advice is a value of 1 which indicates "bad path, please reroute"-- the action taken by the kernel is to call dst_negative_advice which will attempt to choose a different ECMP route, reset the TX hash for flow label and UDP source port in encapsulation, etc. This facility should be useful for connected UDP sockets where only the application can provide any feedback about path quality. It could also be useful for TCP applications that have additional knowledge about the path outside of the normal TCP control loop. Signed-off-by: Tom Herbert <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-25net: ipv6: Make address flushing on ifdown optionalDavid Ahern1-15/+121
Currently, all ipv6 addresses are flushed when the interface is configured down, including global, static addresses: $ ip -6 addr show dev eth1 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP qlen 1000 inet6 2100:1::2/120 scope global valid_lft forever preferred_lft forever inet6 fe80::e0:f9ff:fe79:34bd/64 scope link valid_lft forever preferred_lft forever $ ip link set dev eth1 down $ ip -6 addr show dev eth1 << nothing; all addresses have been flushed>> Add a new sysctl to make this behavior optional. The new setting defaults to flush all addresses to maintain backwards compatibility. When the set global addresses with no expire times are not flushed on an admin down. The sysctl is per-interface or system-wide for all interfaces $ sysctl -w net.ipv6.conf.eth1.keep_addr_on_down=1 or $ sysctl -w net.ipv6.conf.all.keep_addr_on_down=1 Will keep addresses on eth1 on an admin down. $ ip -6 addr show dev eth1 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP qlen 1000 inet6 2100:1::2/120 scope global valid_lft forever preferred_lft forever inet6 fe80::e0:f9ff:fe79:34bd/64 scope link valid_lft forever preferred_lft forever $ ip link set dev eth1 down $ ip -6 addr show dev eth1 3: eth1: <BROADCAST,MULTICAST> mtu 1500 state DOWN qlen 1000 inet6 2100:1::2/120 scope global tentative valid_lft forever preferred_lft forever inet6 fe80::e0:f9ff:fe79:34bd/64 scope link tentative valid_lft forever preferred_lft forever Signed-off-by: David Ahern <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-25tipc: fix null deref crash in compat config pathFlorian Westphal1-0/+1
msg.dst_sk needs to be set up with a valid socket because some callbacks later derive the netns from it. Fixes: 263ea09084d172d ("Revert "genl: Add genlmsg_new_unicast() for unicast message allocation") Reported-by: Jon Maloy <[email protected]> Bisected-by: Jon Maloy <[email protected]> Signed-off-by: Florian Westphal <[email protected]> Acked-by Jon Maloy <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-25tipc: fix crash during node removalJon Paul Maloy1-13/+11
When the TIPC module is unloaded, we have identified a race condition that allows a node reference counter to go to zero and the node instance being freed before the node timer is finished with accessing it. This leads to occasional crashes, especially in multi-namespace environments. The scenario goes as follows: CPU0:(node_stop) CPU1:(node_timeout) // ref == 2 1: if(!mod_timer()) 2: if (del_timer()) 3: tipc_node_put() // ref -> 1 4: tipc_node_put() // ref -> 0 5: kfree_rcu(node); 6: tipc_node_get(node) 7: // BOOM! We now clean up this functionality as follows: 1) We remove the node pointer from the node lookup table before we attempt deactivating the timer. This way, we reduce the risk that tipc_node_find() may obtain a valid pointer to an instance marked for deletion; a harmless but undesirable situation. 2) We use del_timer_sync() instead of del_timer() to safely deactivate the node timer without any risk that it might be reactivated by the timeout handler. There is no risk of deadlock here, since the two functions never touch the same spinlocks. 3: We remove a pointless tipc_node_get() + tipc_node_put() from the timeout handler. Reported-by: Zhijiang Hu <[email protected]> Acked-by: Ying Xue <[email protected]> Signed-off-by: Jon Maloy <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-25tipc: eliminate risk of finding to-be-deleted node instanceJon Paul Maloy1-9/+9
Although we have never seen it happen, we have identified the following problematic scenario when nodes are stopped and deleted: CPU0: CPU1: tipc_node_xxx() //ref == 1 tipc_node_put() //ref -> 0 tipc_node_find() // node still in table tipc_node_delete() list_del_rcu(n. list) tipc_node_get() //ref -> 1, bad kfree_rcu() tipc_node_put() //ref to 0 again. kfree_rcu() // BOOM! We fix this by introducing use of the conditional kref_get_if_not_zero() instead of kref_get() in the function tipc_node_find(). This eliminates any risk of post-mortem access. Reported-by: Zhijiang Hu <[email protected]> Acked-by: Ying Xue <[email protected]> Signed-off-by: Jon Maloy <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-25net: fix bridge multicast packet checksum validationLinus Lüssing1-2/+20
We need to update the skb->csum after pulling the skb, otherwise an unnecessary checksum (re)computation can ocure for IGMP/MLD packets in the bridge code. Additionally this fixes the following splats for network devices / bridge ports with support for and enabled RX checksum offloading: [...] [ 43.986968] eth0: hw csum failure [ 43.990344] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.4.0 #2 [ 43.996193] Hardware name: BCM2709 [ 43.999647] [<800204e0>] (unwind_backtrace) from [<8001cf14>] (show_stack+0x10/0x14) [ 44.007432] [<8001cf14>] (show_stack) from [<801ab614>] (dump_stack+0x80/0x90) [ 44.014695] [<801ab614>] (dump_stack) from [<802e4548>] (__skb_checksum_complete+0x6c/0xac) [ 44.023090] [<802e4548>] (__skb_checksum_complete) from [<803a055c>] (ipv6_mc_validate_checksum+0x104/0x178) [ 44.032959] [<803a055c>] (ipv6_mc_validate_checksum) from [<802e111c>] (skb_checksum_trimmed+0x130/0x188) [ 44.042565] [<802e111c>] (skb_checksum_trimmed) from [<803a06e8>] (ipv6_mc_check_mld+0x118/0x338) [ 44.051501] [<803a06e8>] (ipv6_mc_check_mld) from [<803b2c98>] (br_multicast_rcv+0x5dc/0xd00) [ 44.060077] [<803b2c98>] (br_multicast_rcv) from [<803aa510>] (br_handle_frame_finish+0xac/0x51c) [...] Fixes: 9afd85c9e455 ("net: Export IGMP/MLD message validation code") Reported-by: Álvaro Fernández Rojas <[email protected]> Signed-off-by: Linus Lüssing <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-25net: dsa: drop vlan_getnextVivien Didelot1-34/+1
The VLAN GetNext operation is specific to some switches, and thus can be complicated to implement for some drivers. Remove the support for the vlan_getnext/port_pvid_get approach in favor of the generic and simpler port_vlan_dump function. Signed-off-by: Vivien Didelot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-25net: dsa: add port_vlan_dump routineVivien Didelot1-0/+3
Similar to port_fdb_dump, add a port_vlan_dump function to DSA drivers which gets passed the switchdev VLAN object and callback. This function, if implemented, takes precedence over the soon legacy vlan_getnext/port_pvid_get approach. Signed-off-by: Vivien Didelot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-25net_sched: add network namespace support for tc actionsWANG Cong13-138/+699
Currently tc actions are stored in a per-module hashtable, therefore are visible to all network namespaces. This is probably the last part of the tc subsystem which is not aware of netns now. This patch makes them per-netns, several tc action API's need to be adjusted for this. The tc action API code is ugly due to historical reasons, we need to refactor that code in the future. Cc: Jamal Hadi Salim <[email protected]> Signed-off-by: Cong Wang <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-25net_sched: prepare tcf_hashinfo_destroy() for netns supportWANG Cong1-3/+29
We only release the memory of the hashtable itself, not its entries inside. This is not a problem yet since we only call it in module release path, and module is refcount'ed by actions. This would be a problem after we move the per module hinfo into per netns in the latter patch. Cc: Jamal Hadi Salim <[email protected]> Signed-off-by: Cong Wang <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-25NFC: Close a race condition in llcp_sock_getname()Cong Wang1-0/+6
llcp_sock_getname() checks llcp_sock->dev to make sure llcp_sock is already connected or bound, however, we could be in the middle of llcp_sock_bind() where llcp_sock->dev is bound and llcp_sock->service_name_len is set, but llcp_sock->service_name is not, in this case we would lead to copy some bytes from a NULL pointer. Just lock the sock since this is not a hot path anyway. Reported-by: Dmitry Vyukov <[email protected]> Signed-off-by: Cong Wang <[email protected]> Signed-off-by: Samuel Ortiz <[email protected]>
2016-02-25NFC: Use GFP_USER for user-controlled kmallocCong Wang1-2/+2
These two functions are called in sendmsg path, and the 'len' is passed from user-space, so we should not allow malicious users to OOM kernel on purpose. Reported-by: Dmitry Vyukov <[email protected]> Acked-by: Eric Dumazet <[email protected]> Reviewed-by: Julian Calaby <[email protected]> Signed-off-by: Cong Wang <[email protected]> Signed-off-by: Samuel Ortiz <[email protected]>
2016-02-24Merge tag 'mac80211-for-davem-2016-02-23' of ↵David S. Miller7-20/+60
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== Another small set of fixes: * stop critical protocol session on disconnect to avoid it getting stuck * wext: fix two RTNL message ordering issues * fix an uninitialized value (found by KASAN) * fix an out-of-bounds access (also found by KASAN) * clear connection keys when freeing them in all cases (IBSS, all other places already did so) * fix expected throughput unit to get consistent values * set default TX aggregation timeout to 0 in minstrel to avoid (really just hide) issues and perform better ==================== Signed-off-by: David S. Miller <[email protected]>
2016-02-24bpf: fix csum setting for bpf_set_tunnel_keyDaniel Borkmann1-2/+4
The fix in 35e2d1152b22 ("tunnels: Allow IPv6 UDP checksums to be correctly controlled.") changed behavior for bpf_set_tunnel_key() when in use with IPv6 and thus uncovered a bug that TUNNEL_CSUM needed to be set but wasn't. As a result, the stack dropped ingress vxlan IPv6 packets, that have been sent via eBPF through collect meta data mode due to checksum now being zero. Since after LCO, we enable IPv4 checksum by default, so make that analogous and only provide a flag BPF_F_ZERO_CSUM_TX for the user to turn it off in IPv4 case. Fixes: 35e2d1152b22 ("tunnels: Allow IPv6 UDP checksums to be correctly controlled.") Fixes: c6c33454072f ("bpf: support ipv6 for bpf_skb_{set,get}_tunnel_key") Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Alexei Starovoitov <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-24netfilter: ipset: Fix set:list type crash when flush/dump set in parallelJozsef Kadlecsik2-30/+28
Flushing/listing entries was not RCU safe, so parallel flush/dump could lead to kernel crash. Bug reported by Deniz Eren. Fixes netfilter bugzilla id #1050. Signed-off-by: Jozsef Kadlecsik <[email protected]>
2016-02-24libceph: don't spam dmesg with stray reply warningsIlya Dryomov1-2/+2
Commit d15f9d694b77 ("libceph: check data_len in ->alloc_msg()") mistakenly bumped the log level on the "tid %llu unknown, skipping" message. Turn it back into a dout() - stray replies are perfectly normal when OSDs flap, crash, get killed for testing purposes, etc. Cc: [email protected] # 4.3+ Signed-off-by: Ilya Dryomov <[email protected]> Reviewed-by: Alex Elder <[email protected]>
2016-02-24libceph: use the right footer size when skipping a messageIlya Dryomov1-2/+9
ceph_msg_footer is 21 bytes long, while ceph_msg_footer_old is only 13. Don't skip too much when CEPH_FEATURE_MSG_AUTH isn't negotiated. Cc: [email protected] # 3.19+ Signed-off-by: Ilya Dryomov <[email protected]> Reviewed-by: Alex Elder <[email protected]>
2016-02-24libceph: don't bail early from try_read() when skipping a messageIlya Dryomov1-2/+2
The contract between try_read() and try_write() is that when called each processes as much data as possible. When instructed by osd_client to skip a message, try_read() is violating this contract by returning after receiving and discarding a single message instead of checking for more. try_write() then gets a chance to write out more requests, generating more replies/skips for try_read() to handle, forcing the messenger into a starvation loop. Cc: [email protected] # 3.10+ Reported-by: Varada Kari <[email protected]> Signed-off-by: Ilya Dryomov <[email protected]> Tested-by: Varada Kari <[email protected]> Reviewed-by: Alex Elder <[email protected]>
2016-02-24ipv4: only create late gso-skb if skb is already set up with CHECKSUM_PARTIALHannes Frederic Sowa1-1/+4
Otherwise we break the contract with GSO to only pass CHECKSUM_PARTIAL skbs down. This can easily happen with UDP+IPv4 sockets with the first MSG_MORE write smaller than the MTU, second write is a sendfile. Returning -EOPNOTSUPP lets the callers fall back into normal sendmsg path, were we calculate the checksum manually during copying. Commit d749c9cbffd6 ("ipv4: no CHECKSUM_PARTIAL on MSG_MORE corked sockets") started to exposes this bug. Fixes: d749c9cbffd6 ("ipv4: no CHECKSUM_PARTIAL on MSG_MORE corked sockets") Reported-by: Jiri Benc <[email protected]> Cc: Jiri Benc <[email protected]> Reported-by: Wakko Warner <[email protected]> Cc: Wakko Warner <[email protected]> Signed-off-by: Hannes Frederic Sowa <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-24eth: Pull header from first fragment via eth_get_headlenAlexander Duyck1-1/+2
We want to try and pull the L4 header in if it is available in the first fragment. As such add the flag to indicate we want to pull the headers on the first fragment in. Signed-off-by: Alexander Duyck <[email protected]> Acked-by: Tom Herbert <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-24flow_dissector: Use same pointer for IPv4 and IPv6 addressesAlexander Duyck1-6/+5
The IPv6 parsing was using a local pointer when it could use the same pointer as the IPv4 portion of the code since the key_addrs can support both IPv4 and IPv6 as it is just a pointer. Signed-off-by: Alexander Duyck <[email protected]> Acked-by: Tom Herbert <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-24flow_dissector: Correctly handle parsing FCoEAlexander Duyck1-2/+5
The flow dissector bits handling FCoE didn't bother to actually validate that the space there was enough for the FCoE header. So we need to update things so that if there is room we add the header and report a good result, otherwise we do not add the header, and report the bad result. Signed-off-by: Alexander Duyck <[email protected]> Acked-by: Tom Herbert <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-24flow_dissector: Fix fragment handling for header length computationAlexander Duyck1-3/+7
It turns out that for IPv4 we were reporting the ip_proto of the fragment, and for IPv6 we were not. This patch updates that behavior so that we always report the IP protocol of the fragment. In addition it takes the steps of updating the payload offset code so that we will determine the start of the payload not including the L4 header for any fragment after the first. Signed-off-by: Alexander Duyck <[email protected]> Acked-by: Tom Herbert <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-24flow_dissector: Check for IP fragmentation even if not using IPv4 addressAlexander Duyck1-8/+9
This patch corrects the logic for the IPv4 parsing so that it is consistent with how we handle IPv6. Specifically if we do not have the flow key indicating we want the addresses we still may need to take a look at the IP fragmentation bits and to see if we should stop after we have recognized the L3 header. Fixes: 807e165dc44f ("flow_dissector: Add control/reporting of fragmentation") Signed-off-by: Alexander Duyck <[email protected]> Acked-by: Tom Herbert <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-24soreuseport: fix merge conflict in tcp bindCraig Gallek1-0/+1
One of the validation checks for the new array-based TCP SO_REUSEPORT validation was unintentionally dropped in ea8add2b1903. This adds it back. Lack of this check allows the user to allocate multiple sock_reuseport structures (leaking all but the first). Fixes: ea8add2b1903 ("tcp/dccp: better use of ephemeral ports in bind()") Signed-off-by: Craig Gallek <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-02-246lowpan: fix error checking codeAndrzej Hajda1-1/+1
Bool variable 'fail' is always non-negative, it indicates an error if it is true. The problem has been detected using coccinelle script scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci Signed-off-by: Andrzej Hajda <[email protected]> Acked-by: Alexander Aring <[email protected]> Signed-off-by: Marcel Holtmann <[email protected]>
2016-02-246lowpan: iphc: fix stateful multicast compressionAlexander Aring1-1/+2
In case of multicast address we need to set always the LOWPAN_IPHC_M bit and if a destination context identifier was found for a multicast address then we need to set the LOWPAN_IPHC_DAC as well. Signed-off-by: Alexander Aring <[email protected]> Signed-off-by: Marcel Holtmann <[email protected]>
2016-02-24rfkill: Factor rfkill_global_states[].cur assignmentsJoão Paulo Rechi Vita1-21/+17
Factor all assignments to rfkill_global_states[].cur into a single function rfkill_update_global_state(). Signed-off-by: João Paulo Rechi Vita <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24rfkill: Remove extra blank lineJoão Paulo Rechi Vita1-1/+0
Signed-off-by: João Paulo Rechi Vita <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24rfkill: Improve documentation languageJoão Paulo Rechi Vita1-2/+2
Signed-off-by: João Paulo Rechi Vita <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24net: rfkill: gpio: remove rfkill_gpio_platform_dataHeikki Krogerus2-10/+1
No more users for it. Signed-off-by: Heikki Krogerus <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24net: rfkill: gpio: get the name and type from device propertyHeikki Krogerus1-5/+11
This prepares the driver for removal of platform data. Signed-off-by: Heikki Krogerus <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24net: rfkill: add rfkill_find_type functionHeikki Krogerus1-28/+30
Helper for finding the type based on name. Useful if the type needs to be determined based on device property. Signed-off-by: Heikki Krogerus <[email protected]> [modify rfkill_types array and BUILD_BUG_ON to not cause errors] Signed-off-by: Johannes Berg <[email protected]>
2016-02-24cfg80211: add radiotap VHT info to rtap_namespace_sizesLorenzo Bianconi1-0/+1
Add IEEE80211_RADIOTAP_VHT entry to rtap_namespace_sizes array in order to define alignment and size of VHT info in tx radiotap Signed-off-by: Lorenzo Bianconi <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24cfg80211: Add global RRM capabilityBeni Lev1-7/+11
Today, the supplicant will add the RRM capabilities Information Element in the association request only if Quiet period is supported (NL80211_FEATURE_QUIET). Quiet is one of many RRM features, and there are other RRM features that are not related to Quiet (e.g. neighbor report). Therefore, requiring Quiet to enable RRM is too restrictive. Some of the features, like neighbor report, can be supported by user space without any help from the kernel. Hence adding the RRM capabilities IE to association request should be the sole user space's decision. Removing the RRM dependency on Quiet in the driver solves this problem, but using an old driver with a user space tool that would not require Quiet feature would be problematic: the user space would add NL80211_ATTR_USE_RRM in the association request even if the kernel doesn't advertize NL80211_FEATURE_QUIET and the association would be denied by the kernel. This solution adds a global RRM capability, that tells user space that it can request RRM capabilities IE publishment without any specific feature support in the kernel. Signed-off-by: Beni Lev <[email protected]> Signed-off-by: Emmanuel Grumbach <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24mac80211: move MU_MIMO_OWNER flag to ieee80211_vifSara Sharon4-12/+10
Drivers may need to track which vif is using VHT MU-MIMO. Move the flag indicationg the ownership of MU_MIMO to ieee80211_vif. Signed-off-by: Sara Sharon <[email protected]> Signed-off-by: Emmanuel Grumbach <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24mac80211: provide interface to driver to set VHT MU-MIMO dataSara Sharon1-1/+15
Provide an interface to the lower level driver to set the VHT MU-MIMO data. This is needed for example when there is an update of the group data during low power state, where the management frame will not be passed to the host at all. Signed-off-by: Sara Sharon <[email protected]> Signed-off-by: Emmanuel Grumbach <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24mac80211: remove ieee80211_get_key_tx_seq/ieee80211_set_key_tx_seqEliad Peller1-87/+0
Since the PNs of all the tx keys are now tracked in the public part of the key struct (with atomic counter), we no longer need these functions. dvm and vt665{5,6} are currently the only users of these functions, so update them accordingly. Signed-off-by: Eliad Peller <[email protected]> Signed-off-by: Emmanuel Grumbach <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24mac80211: move TKIP TX IVs to public part of key structEliad Peller7-38/+40
Some drivers/devices might want to set the IVs by themselves (and still let mac80211 generate MMIC). Specifically, this is needed when the device does offloading at certain times, and the driver has to make sure that the IVs of new tx frames (from the host) are synchronized with IVs that were potentially used during the offloading. Similarly to CCMP, move the TX IVs of TKIP keys to the public part of the key struct, and export a function to add the IV right into the crypto header. The public tx_pn field is defined as atomic64, so define TKIP_PN_TO_IV16/32 helper macros to convert it to iv16/32 when needed. Since the iv32 used for the p1k cache is taken directly from the frame, we can safely remove iv16/32 from being protected by tkip.txlock. Signed-off-by: Eliad Peller <[email protected]> Signed-off-by: Emmanuel Grumbach <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24mac80211: fix wiphy supported_band accessLorenzo Bianconi1-4/+5
Fix wiphy supported_band access in tx radiotap parsing introduced in commit 5ec3aed9ba4c ("mac80211: Parse legacy and HT rate in injected frames"). In particular, info->band is always set to 0 (IEEE80211_BAND_2GHZ) since it has not assigned yet. This cause a kernel crash on 5GHz only devices. Move ieee80211_parse_tx_radiotap() after info->band assignment Signed-off-by: Lorenzo Bianconi <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24cfg80211: reuse existing page fragments in A-MSDU rxFelix Fietkau1-5/+77
This massively reduces data copying and thus improves rx performance Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24cfg80211: fix faulty variable initialization in ieee80211_amsdu_to_8023sFelix Fietkau1-1/+1
reuse_skb is set to true if the code decides to use the last segment. Fixes a memory leak Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24mac80211: fix VHT MU-MIMO frame processingSara Sharon1-4/+6
The source and destintation addresses in the memcpy arguments are flipped. Fix that. Fixes: 23a1f8d44c0b("mac80211: process and save VHT MU-MIMO group frame") Signed-off-by: Sara Sharon <[email protected]> Signed-off-by: Emmanuel Grumbach <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24mac80211: Unify mesh and mpp path removal functionHenning Rogge1-36/+41
mpp_path_del() and mesh_path_del() are mostly the same function. Move common code into a new static function. Acked-by: Bob Copeland <[email protected]> Signed-off-by: Henning Rogge <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24mac80211: let unused MPP table entries timeoutHenning Rogge3-1/+56
Remember the last time when a mpp table entry is used for rx or tx and remove them after MESH_PATH_EXPIRE time. Acked-by: Bob Copeland <[email protected]> Signed-off-by: Henning Rogge <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24mac80211: Remove MPP table entries with MPathHenning Rogge1-0/+26
Make the mesh_path_del() function remove all mpp table entries that are proxied by the removed mesh path. Acked-by: Bob Copeland <[email protected]> Signed-off-by: Henning Rogge <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24cfg80211: basic support for PBSS network typeLior David2-3/+17
PBSS (Personal Basic Service Set) is a new BSS type for DMG networks. It is similar to infrastructure BSS, having an AP-like entity called PCP (PBSS Control Point), but it has few differences. PBSS support is mandatory for 11ad devices. Add support for PBSS by introducing a new PBSS flag attribute. The PBSS flag is used in the START_AP command to request starting a PCP instead of an AP, and in the CONNECT command to request connecting to a PCP instead of an AP. Signed-off-by: Lior David <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24cfg80211: add support for non-linear skbs in ieee80211_amsdu_to_8023sFelix Fietkau1-51/+49
Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24cfg80211: add function for 802.3 conversion with separate output bufferFelix Fietkau1-53/+53
Use skb_copy_bits in preparation for allowing fragmented skbs Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2016-02-24mac80211: move A-MSDU skb_linearize call to ieee80211_amsdu_to_8023sFelix Fietkau2-3/+3
Prepararation for zero-copy A-MSDU support with page fragment SKBs Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
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