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2015-12-08net: Fix inverted test in __skb_recv_datagramRainer Weikusat1-1/+1
As the kernel generally uses negated error numbers, *err needs to be compared with -EAGAIN (d'oh). Signed-off-by: Rainer Weikusat <[email protected]> Fixes: ea3793ee29d3 ("core: enable more fine-grained datagram reception control") Signed-off-by: David S. Miller <[email protected]>
2015-12-07xfrm: take care of request socketsEric Dumazet1-0/+2
TCP SYNACK messages might now be attached to request sockets. XFRM needs to get back to a listener socket. Adds new helpers that might be used elsewhere : sk_to_full_sk() and sk_const_to_full_sk() Note: We also need to add RCU protection for xfrm lookups, now TCP/DCCP have lockless listener processing. This will be addressed in separate patches. Fixes: ca6fb0651883 ("tcp: attach SYNACK messages to request sockets instead of listener") Reported-by: Dave Jones <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Cc: Steffen Klassert <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-07ipv6: sctp: fix lockdep splat in sctp_v6_get_dst()Eric Dumazet1-2/+1
While cooking the sctp np->opt rcu fixes, I forgot to move one rcu_read_unlock() after the added rcu_dereference() in sctp_v6_get_dst() This gave lockdep warnings reported by Dave Jones. Fixes: c836a8ba9386 ("ipv6: sctp: add rcu protection around np->opt") Reported-by: Dave Jones <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-07Merge tag 'batman-adv-fix-for-davem' of git://git.open-mesh.org/linux-mergeDavid S. Miller3-9/+31
Antonio Quartulli says: ==================== Included changes: - prevent compatibility issue between DAT and speedy join from creating inconsistencies in the global translation table - make sure temporary TT entries are purged out if not claimed - fix comparison function used for TT hash table - fix invalid stack access in batadv_dat_select_candidates() ==================== Signed-off-by: David S. Miller <[email protected]>
2015-12-07net: dsa: move dsa slave destroy code to slave.cNeil Armstrong3-2/+13
Move dsa slave dedicated code from dsa_switch_destroy to a new dsa_slave_destroy function in slave.c. Add the netif_carrier_off and phy_disconnect calls in order to correctly cleanup the netdev state and PHY state machine. Signed-off-by: Frode Isaksen <[email protected]> Signed-off-by: Neil Armstrong <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-07net: dsa: Add missing master netdev dev_put() callsNeil Armstrong1-1/+5
Upon probe failure or unbinding, add missing dev_put() calls. Signed-off-by: Neil Armstrong <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-07net: dsa: cleanup resources upon module removalNeil Armstrong1-0/+8
Make sure that we unassign the master_netdev dsa_ptr to make the packet processing go through the regular Ethernet receive path. Suggested-by: Florian Fainelli <[email protected]> Signed-off-by: Neil Armstrong <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-07net: dsa: remove DSA link pollingNeil Armstrong1-43/+0
Since no more DSA driver uses the polling callback, and since the phylib handles the link detection, remove the link polling work and timer code. Signed-off-by: Neil Armstrong <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-07mpls: fix sending of local encapped packetsRobert Shearman1-2/+2
Locally generated IPv4 and (probably) IPv6 packets are dropped because skb->protocol isn't set. We could write wrappers to lwtunnel_output for IPv4 and IPv6 that set the protocol accordingly and then call lwtunnel_output, but mpls_output relies on the AF-specific type of dst anyway to get the via address. Therefore, make use of dst->dst_ops->family in mpls_output to determine the type of nexthop and thus protocol of the packet instead of checking skb->protocol. Fixes: 61adedf3e3f1 ("route: move lwtunnel state to dst_entry") Reported-by: Sam Russell <[email protected]> Signed-off-by: Robert Shearman <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-07SUNRPC: Fix callback channelTrond Myklebust2-8/+12
The NFSv4.1 callback channel is currently broken because the receive message will keep shrinking because the backchannel receive buffer size never gets reset. The easiest solution to this problem is instead of changing the receive buffer, to rather adjust the copied request. Fixes: 38b7631fbe42 ("nfs4: limit callback decoding to received bytes") Cc: Benjamin Coddington <[email protected]> Cc: [email protected] Signed-off-by: Trond Myklebust <[email protected]>
2015-12-07Merge tag 'mac80211-next-for-davem-2015-12-07' of ↵David S. Miller24-939/+1174
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== This pull request got a bit bigger than I wanted, due to needing to reshuffle and fix some bugs. I merged mac80211 to get the right base for some of these changes. * new mac80211 API for upcoming driver changes: EOSP handling, key iteration * scan abort changes allowing to cancel an ongoing scan * VHT IBSS 80+80 MHz support * re-enable full AP client state tracking after fixes * various small fixes (that weren't relevant for mac80211) * various cleanups ==================== Signed-off-by: David S. Miller <[email protected]>
2015-12-07Merge branch 'master' into for-4.4-fixesTejun Heo96-617/+1044
The following commit which went into mainline through networking tree 3b13758f51de ("cgroups: Allow dynamically changing net_classid") conflicts in net/core/netclassid_cgroup.c with the following pending fix in cgroup/for-4.4-fixes. 1f7dd3e5a6e4 ("cgroup: fix handling of multi-destination migration from subtree_control enabling") The former separates out update_classid() from cgrp_attach() and updates it to walk all fds of all tasks in the target css so that it can be used from both migration and config change paths. The latter drops @css from cgrp_attach(). Resolve the conflict by making cgrp_attach() call update_classid() with the css from the first task. We can revive @tset walking in cgrp_attach() but given that net_cls is v1 only where there always is only one target css during migration, this is fine. Signed-off-by: Tejun Heo <[email protected]> Reported-by: Stephen Rothwell <[email protected]> Cc: Nina Schiff <[email protected]>
2015-12-07batman-adv: Fix invalid stack access in batadv_dat_select_candidatesSven Eckelmann1-1/+4
batadv_dat_select_candidates provides an u32 to batadv_hash_dat but it needs a batadv_dat_entry with at least ip and vid filled in. Fixes: 3e26722bc9f2 ("batman-adv: make the Distributed ARP Table vlan aware") Signed-off-by: Sven Eckelmann <[email protected]> Acked-by: Antonio Quartulli <[email protected]> Signed-off-by: Marek Lindner <[email protected]> Signed-off-by: Antonio Quartulli <[email protected]>
2015-12-07batman-adv: fix erroneous client entry duplicate detectionMarek Lindner1-2/+4
The translation table implementation, namely batadv_compare_tt(), is used to compare two client entries and deciding if they are the holding the same information. Each client entry is identified by its mac address and its VLAN id (VID). Consequently, batadv_compare_tt() has to not only compare the mac addresses but also the VIDs. Without this fix adding a new client entry that possesses the same mac address as another client but operates on a different VID will fail because both client entries will considered identical. Signed-off-by: Marek Lindner <[email protected]> Signed-off-by: Antonio Quartulli <[email protected]>
2015-12-07batman-adv: avoid keeping false temporary entrySimon Wunderlich1-2/+8
In the case when a temporary entry is added first and a proper tt entry is added after that, the temporary tt entry is kept in the orig list. However the temporary flag is removed at this point, and therefore the purge function can not find this temporary entry anymore. Therefore, remove the previous temp entry before adding the new proper one. This case can happen if a client behind a given originator moves before the TT announcement is sent out. Other than that, this case can also be created by bogus or malicious payload frames for VLANs which are not existent on the sending originator. Reported-by: Alessandro Bolletta <[email protected]> Signed-off-by: Simon Wunderlich <[email protected]> Acked-by: Antonio Quartulli <[email protected]> Signed-off-by: Marek Lindner <[email protected]> Signed-off-by: Antonio Quartulli <[email protected]>
2015-12-07batman-adv: fix speedy join for DAT cache repliesSimon Wunderlich1-4/+15
DAT Cache replies are answered on behalf of other clients which are not connected to the answering originator. Therefore, we shouldn't add these clients to the answering originators TT table through speed join to avoid bogus entries. Reported-by: Alessandro Bolletta <[email protected]> Signed-off-by: Simon Wunderlich <[email protected]> Acked-by: Antonio Quartulli <[email protected]> Signed-off-by: Marek Lindner <[email protected]> Signed-off-by: Antonio Quartulli <[email protected]>
2015-12-07mac80211: handle HW ROC expired properlyIlan Peer1-1/+5
In case of HW ROC, when the driver reports that the ROC expired, it is not sufficient to purge the ROCs based on the remaining time, as it possible that the device finished the ROC session before the actual requested duration. To handle such cases, in case of ROC expired notification from the driver, complete all the ROCs which are marked with hw_begun, regardless of the remaining duration. Signed-off-by: Ilan Peer <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2015-12-06af_unix: fix unix_dgram_recvmsg entry lockingRainer Weikusat1-15/+20
The current unix_dgram_recvsmg code acquires the u->readlock mutex in order to protect access to the peek offset prior to calling __skb_recv_datagram for actually receiving data. This implies that a blocking reader will go to sleep with this mutex held if there's presently no data to return to userspace. Two non-desirable side effects of this are that a later non-blocking read call on the same socket will block on the ->readlock mutex until the earlier blocking call releases it (or the readers is interrupted) and that later blocking read calls will wait longer than the effective socket read timeout says they should: The timeout will only start 'ticking' once such a reader hits the schedule_timeout in wait_for_more_packets (core.c) while the time it already had to wait until it could acquire the mutex is unaccounted for. The patch avoids both by using the __skb_try_recv_datagram and __skb_wait_for_more packets functions created by the first patch to implement a unix_dgram_recvmsg read loop which releases the readlock mutex prior to going to sleep and reacquires it as needed afterwards. Non-blocking readers will thus immediately return with -EAGAIN if there's no data available regardless of any concurrent blocking readers and all blocking readers will end up sleeping via schedule_timeout, thus honouring the configured socket receive timeout. Signed-off-by: Rainer Weikusat <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-06core: enable more fine-grained datagram reception controlRainer Weikusat1-29/+48
The __skb_recv_datagram routine in core/ datagram.c provides a general skb reception factility supposed to be utilized by protocol modules providing datagram sockets. It encompasses both the actual recvmsg code and a surrounding 'sleep until data is available' loop. This is inconvenient if a protocol module has to use additional locking in order to maintain some per-socket state the generic datagram socket code is unaware of (as the af_unix code does). The patch below moves the recvmsg proper code into a new __skb_try_recv_datagram routine which doesn't sleep and renames wait_for_more_packets to __skb_wait_for_more_packets, both routines being exported interfaces. The original __skb_recv_datagram routine is reimplemented on top of these two functions such that its user-visible behaviour remains unchanged. Signed-off-by: Rainer Weikusat <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-06sctp: start t5 timer only when peer rwnd is 0 and local state is ↵lucien2-1/+3
SHUTDOWN_PENDING when A sends a data to B, then A close() and enter into SHUTDOWN_PENDING state, if B neither claim his rwnd is 0 nor send SACK for this data, A will keep retransmitting this data until t5 timeout, Max.Retrans times can't work anymore, which is bad. if B's rwnd is not 0, it should send abort after Max.Retrans times, only when B's rwnd == 0 and A's retransmitting beyonds Max.Retrans times, A will start t5 timer, which is also commit f8d960524328 ("sctp: Enforce retransmission limit during shutdown") means, but it lacks the condition peer rwnd == 0. so fix it by adding a bit (zero_window_announced) in peer to record if the last rwnd is 0. If it was, zero_window_announced will be set. and use this bit to decide if start t5 timer when local.state is SHUTDOWN_PENDING. Fixes: commit f8d960524328 ("sctp: Enforce retransmission limit during shutdown") Signed-off-by: Xin Long <[email protected]> Signed-off-by: Marcelo Ricardo Leitner <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-069p/trans_virtio: don't bother with p9_tag_lookup()Al Viro1-8/+4
Just store the pointer to req instead of that to req->tc as opaque data. Signed-off-by: Al Viro <[email protected]>
2015-12-06sctp: only drop the reference on the datamsg after sending a msglucien1-4/+2
If the chunks are enqueued successfully but sctp_cmd_interpreter() return err to sctp_sendmsg() (mainly because of no mem), the chunks will get re-queued, but we are dropping the reference and freeing them. The fix is to just drop the reference on the datamsg just as it had succeeded, as: - if the chunks weren't queued, this is enough to get them freed. - if they were queued, they will get freed when they finally get out or discarded. Signed-off-by: Xin Long <[email protected]> Marcelo Ricardo Leitner <[email protected]> Signed-off-by: Marcelo Ricardo Leitner <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-06sctp: hold the chunks only after the chunk is enqueued in outqlucien2-2/+1
When a msg is sent, sctp will hold the chunks of this msg and then try to enqueue them. But if the chunks are not enqueued in sctp_outq_tail() because of the invalid state, sctp_cmd_interpreter() may still return success to sctp_sendmsg() after calling sctp_outq_flush(), these chunks will become orphans and will leak. So we fix them by moving sctp_chunk_hold() to sctp_outq_tail(), where we are sure that the chunk is going to get queued. Signed-off-by: Xin Long <[email protected]> Signed-off-by: Marcelo Ricardo Leitner <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-05sctp: also copy sk_tsflags when copying the socketMarcelo Ricardo Leitner1-0/+1
As we are keeping timestamps on when copying the socket, we also have to copy sk_tsflags. This is needed since b9f40e21ef42 ("net-timestamp: move timestamp flags out of sk_flags"). Signed-off-by: Marcelo Ricardo Leitner <[email protected]> Acked-by: Vlad Yasevich <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-05sctp: update the netstamp_needed counter when copying socketsMarcelo Ricardo Leitner2-2/+3
Dmitry Vyukov reported that SCTP was triggering a WARN on socket destroy related to disabling sock timestamp. When SCTP accepts an association or peel one off, it copies sock flags but forgot to call net_enable_timestamp() if a packet timestamping flag was copied, leading to extra calls to net_disable_timestamp() whenever such clones were closed. The fix is to call net_enable_timestamp() whenever we copy a sock with that flag on, like tcp does. Reported-by: Dmitry Vyukov <[email protected]> Signed-off-by: Marcelo Ricardo Leitner <[email protected]> Acked-by: Vlad Yasevich <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-05sctp: use the same clock as if sock source timestamps were onMarcelo Ricardo Leitner1-2/+2
SCTP echoes a cookie o INIT ACK chunks that contains a timestamp, for detecting stale cookies. This cookie is echoed back to the server by the client and then that timestamp is checked. Thing is, if the listening socket is using packet timestamping, the cookie is encoded with ktime_get() value and checked against ktime_get_real(), as done by __net_timestamp(). The fix is to sctp also use ktime_get_real(), so we can compare bananas with bananas later no matter if packet timestamping was enabled or not. Fixes: 52db882f3fc2 ("net: sctp: migrate cookie life from timeval to ktime") Signed-off-by: Marcelo Ricardo Leitner <[email protected]> Acked-by: Vlad Yasevich <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-05net: constify netif_is_* helpers net_device paramJiri Pirko1-1/+1
As suggested by Eric, these helpers should have const dev param. Suggested-by: Eric Dumazet <[email protected]> Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-05ipv6: keep existing flags when setting IFA_F_OPTIMISTICBjørn Mork1-1/+1
Commit 64236f3f3d74 ("ipv6: introduce IFA_F_STABLE_PRIVACY flag") failed to update the setting of the IFA_F_OPTIMISTIC flag, causing the IFA_F_STABLE_PRIVACY flag to be lost if IFA_F_OPTIMISTIC is set. Cc: Erik Kline <[email protected]> Cc: Fernando Gont <[email protected]> Cc: Lorenzo Colitti <[email protected]> Cc: YOSHIFUJI Hideaki/吉藤英明 <[email protected]> Cc: Hannes Frederic Sowa <[email protected]> Fixes: 64236f3f3d74 ("ipv6: introduce IFA_F_STABLE_PRIVACY flag") Signed-off-by: Bjørn Mork <[email protected]> Acked-by: Hannes Frederic Sowa <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-05batman-adv: Act on NETDEV_*_TYPE_CHANGE eventsAndrew Lunn1-1/+3
A network interface can change type. It may change from a type which batman does not support, e.g. hdlc, to one it does, e.g. hdlc-eth. When an interface changes type, it sends two notifications. Handle these notifications. Signed-off-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-05ipv6: Only act upon NETDEV_*_TYPE_CHANGE if we have ipv6 addressesAndrew Lunn1-1/+2
An interface changing type may not have IPv6 addresses. Don't call the address configuration type change in this case. Signed-off-by: Andrew Lunn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-04gre6: allow to update all parameters via rtnlNicolas Dichtel1-5/+3
Parameters were updated only if the kernel was unable to find the tunnel with the new parameters, ie only if core pamareters were updated (keys, addr, link, type). Now it's possible to update ttl, hoplimit, flowinfo and flags. Fixes: c12b395a4664 ("gre: Support GRE over IPv6") Signed-off-by: Nicolas Dichtel <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-12-04mac80211: reject zero cookie in mgmt-tx/roc cancelJohannes Berg1-0/+3
When cancelling, you can cancel "any" (first in list) mgmt-tx or remain-on-channel operation by using the value 0 for the cookie along with the *opposite* operation, i.e. * cancel the first mgmt-tx by cancelling roc with 0 cookie * cancel the first roc by cancelling mgmt-tx with 0 cookie This isn't really that bad since userspace should only pass cookies that we gave it, but could lead to hard-to-debug issues so better prevent it and reject zero values since we never hand those out. Signed-off-by: Johannes Berg <[email protected]>
2015-12-04mac80211: Allow a STA to join an IBSS with 80+80 MHz channelJouni Malinen1-0/+1
While it was possible to create an IBSS with 80+80 MHz channel, joining such an IBSS resulted in falling back to 20 MHz channel with VHT disabled due to a missing switch case for 80+80. Signed-off-by: Jouni Malinen <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2015-12-04cfg80211: reg: Refactor calculation of bandwidth flagsMichal Sojka1-54/+37
The same piece of code appears at two places. Make a function from it. Signed-off-by: Michal Sojka <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2015-12-04mac80211: rewrite remain-on-channel logicJohannes Berg3-291/+316
Jouni found a bug in the remain-on-channel logic: when a short item is queued, a long item is combined with it extending the original one, and then the long item is deleted, the timeout doesn't go back to the short one, and the short item ends up taking a long time. In this case, this showed as blocking scan when running two test cases back to back - the scan from the second was delayed even though all the remain-on-channel items should long have been gone. Fixing this with the current data structures turns out to be a bit complicated, we just remove the long item from the dependents list right now and don't recalculate the timeouts. There's a somewhat similar bug where we delete the short item and all the dependents go with it; to fix this we'd have to move them from the dependents to the real list. Instead of trying to do that, rewrite the code to not have all this complexity in the data structures: use a single list and allow more than one entry in it being marked as started. This makes the code a bit more complex, the worker needs to understand that it might need to just remove one of the started items, while keeping the device off-channel, but that's not more complicated than the nested data structures. This then fixes both issues described, and makes it easier to also limit the overall off-channel time when combining. TODO: as before, with hardware remain-on-channel, deleting an item after combining results in cancelling them all - we can keep track of the time elapsed and only cancel after that to fix this. Signed-off-by: Johannes Berg <[email protected]>
2015-12-04mac80211: simplify ack_skb handlingJohannes Berg3-18/+13
Since the cookie is assigned inside ieee80211_make_ack_skb() now, we no longer need to return the ack_skb as the cookie and can simplify the function's return and the callers. Also rename it to ieee80211_attach_ack_skb() to more accurately reflect its purpose. Signed-off-by: Johannes Berg <[email protected]>
2015-12-04mac80211: move off-channel/mgmt-tx code to offchannel.cJohannes Berg3-495/+502
This is quite a bit of code that logically depends here since it has to deal with all the remain-on-channel logic. Signed-off-by: Johannes Berg <[email protected]>
2015-12-04mac80211: fix mgmt-tx abort cookie and leakJohannes Berg1-3/+2
If a mgmt-tx operation is aborted before it runs, the wrong cookie is reported back to userspace, and the ack_skb gets leaked since the frame is freed directly instead of freeing it using ieee80211_free_txskb(). Fix that. Fixes: 3b79af973cf4 ("mac80211: stop using pointers as userspace cookies") Signed-off-by: Johannes Berg <[email protected]>
2015-12-04mac80211: catch queue stop underflowJohannes Berg1-2/+5
If some code stops the queues more times than having started (for when refcounting is used), warn on and reset the counter to 0 to avoid blocking forever. Signed-off-by: Johannes Berg <[email protected]>
2015-12-04mac80211: properly free TX skbs when monitor TX failsJohannes Berg1-1/+1
We need to free all skbs here, not just the one we peeked from the list. Signed-off-by: Johannes Berg <[email protected]>
2015-12-04mac80211: properly free skb when r-o-c for TX failsJohannes Berg1-1/+1
When freeing the TX skb for an off-channel TX, use the correct API to also free the ACK skb that might have been allocated. Signed-off-by: Johannes Berg <[email protected]>
2015-12-04Revert "mac80211: don't advertise NL80211_FEATURE_FULL_AP_CLIENT_STATE"Johannes Berg1-1/+2
This reverts commit 45bb780a2147b9995f3d288c44ecb87ca8a330e2, the previous two patches fixed the functionality. Signed-off-by: Johannes Berg <[email protected]>
2015-12-04cfg80211: handle add_station auth/assoc flag quirksJohannes Berg2-14/+19
When a new station is added to AP/GO interfaces the default behaviour is for it to be added authenticated and associated, due to backwards compatibility. To prevent that, the driver must be able to do that (setting the NL80211_FEATURE_FULL_AP_CLIENT_STATE feature flag) and userspace must set the flag mask to auth|assoc and clear the set. Handle this quirk in the API entirely in nl80211, and always push the full flags to the drivers. NL80211_FEATURE_FULL_AP_CLIENT_STATE is still required for userspace to be allowed to set the mask including those bits, but after checking that add both flags to the mask and set in case userspace didn't set them otherwise. This obsoletes the mac80211 code handling this difference, no other driver is currently using these flags. Signed-off-by: Johannes Berg <[email protected]>
2015-12-04cfg80211: use NL80211_ATTR_STA_AID in nl82011_set_stationAyala Beker1-2/+2
Fix nl80211_set_station() to use the value of NL80211_ATTR_STA_AID attribute instead of NL80211_ATTR_PEER_AID attribute. Signed-off-by: Ayala Beker <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2015-12-04mac80211: Add support for aborting an ongoing scanVidyullatha Kanchanapally1-0/+6
This commit adds implementation for abort scan in mac80211. Reviewed-by: Jouni Malinen <[email protected]> Signed-off-by: Vidyullatha Kanchanapally <[email protected]> Signed-off-by: Sunil Dutt <[email protected]> [adjust to wdev change in previous patch and clean up code a bit] Signed-off-by: Johannes Berg <[email protected]>
2015-12-04cfg80211: Add support for aborting an ongoing scanVidyullatha Kanchanapally3-0/+38
Implement new functionality for aborting an ongoing scan. Add NL80211_CMD_ABORT_SCAN to the nl80211 interface. After aborting the scan, driver shall provide the scan status by calling cfg80211_scan_done(). Reviewed-by: Jouni Malinen <[email protected]> Signed-off-by: Vidyullatha Kanchanapally <[email protected]> Signed-off-by: Sunil Dutt <[email protected]> [change command to take wdev instead of netdev so that it can be used on p2p-device scans] Signed-off-by: Johannes Berg <[email protected]>
2015-12-04mac80211: add new IEEE80211_VIF_GET_NOA_UPDATE flag[email protected]1-2/+4
Add new VIF flag, that will allow get NOA update notification when driver will request this, even this is not pure P2P vif (eg. STA vif). Signed-off-by: Janusz Dziedzic <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2015-12-04cfg80211: Remove unused cfg80211_can_use_iftype_chan()Michal Sojka2-121/+0
Last caller of this function was removed in 3.17 in commit 97dc94f1d933c9df2c0b327066ea130c0e92083f. Signed-off-by: Michal Sojka <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2015-12-04cfg80211: reg: Remove unused function parameterMichal Sojka1-4/+3
Signed-off-by: Michal Sojka <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2015-12-04mac80211: add atomic uploaded keys iteratorEliad Peller3-4/+55
add ieee80211_iter_keys_rcu() to iterate over uploaded keys in atomic context (when rcu is locked) The station removal code removes the keys only after calling synchronize_net(), so it's not safe to iterate the keys at this point (and postponing the actual key deletion with call_rcu() might result in some badly-ordered ops calls). Add a flag to indicate a station is being removed, and skip the configured keys if it's set. Signed-off-by: Eliad Peller <[email protected]> Signed-off-by: Emmanuel Grumbach <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
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