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* pkt_sched: sch_generic: Kfree gso_skb in qdisc_reset()Jarek Poplawski2008-11-03
| | | | | | | | | | | Since gso_skb is re-used for qdisc_peek_dequeued(), and this skb is counted in the qdisc->q.qlen, it has to be kfreed during qdisc_reset() when qlen is zeroed. With help from David S. Miller <davem@davemloft.net> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: clean up net/ipv4/tcp_ipv4.cJianjun Kong2008-11-03
| | | | | Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: clean up net/ipv4/devinet.cJianjun Kong2008-11-03
| | | | | Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: clean up net/ipv4/pararp.cJianjun Kong2008-11-03
| | | | | Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: clean up net/ipv4/ip_fragment.c tcp_timer.c ip_input.cJianjun Kong2008-11-03
| | | | | Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: clean up net/ipv4/ipmr.cJianjun Kong2008-11-03
| | | | | Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: clean up net/ipv4/ip_sockglue.c tcp_output.cJianjun Kong2008-11-03
| | | | | Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: clean up net/ipv4/igmp.cJianjun Kong2008-11-03
| | | | | Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: clean up net/ipv4/fib_frontend.c fib_hash.c ip_gre.cJianjun Kong2008-11-03
| | | | | Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: clean up net/ipv4/ipip.c raw.c tcp.c tcp_minisocks.c tcp_yeah.c ↵Jianjun Kong2008-11-03
| | | | | | | xfrm4_policy.c Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: clean up net/ipv4/ah4.c esp4.c fib_semantics.c inet_connection_sock.c ↵Jianjun Kong2008-11-03
| | | | | | | inetpeer.c ip_output.c Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sunrpc: Fix build warning due to typo in %pI4 format changes.David S. Miller2008-11-03
| | | | | | Noticed by Stephen Hemminger. Signed-off-by: David S. Miller <davem@davemloft.net>
* IPVS: Add IPv6 support to SH and DH schedulersJulius Volz2008-11-03
| | | | | | | | | | Add IPv6 support to SH and DH schedulers. I hope this simple IPv6 address hashing is good enough. The 128 bit are just XORed into 32 before hashing them like an IPv4 address. Signed-off-by: Julius Volz <julius.volz@gmail.com> Acked-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* sch_netem: Replace ->requeue() method with open codeJarek Poplawski2008-11-02
| | | | | | | | | | | | After removing netem classful functionality we are sure its inner qdisc is tfifo, so we can replace qdisc->ops->requeue() method with open code. After this patch there are no more ops->requeue() users. The idea of this patch is by Patrick McHardy. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sch_netem: Remove classful functionalityJarek Poplawski2008-11-02
| | | | | | | | | | | | | | | | Patrick McHardy noticed that: "a lot of the functionality of netem requires the inner tfifo anyways and rate-limiting is usually done on top of netem. So I would suggest so either hard-wire the tfifo qdisc or at least make the assumption that inner qdiscs are work-conserving.", and later: "- a lot of other qdiscs still don't work as inner qdiscs of netem [...]". So, according to his suggestion, this patch removes classful options of netem. The main reason of this change is to remove ops->requeue() method, which is currently used only by netem. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP] CUBIC v2.3Sangtae Ha2008-11-02
| | | | | Signed-off-by: Sangtae Ha <sha2@ncsu.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
* af_unix: clean up net/unix/af_unix.c garbage.c sysctl_net_unix.cJianjun Kong2008-11-02
| | | | | | | clean up net/unix/af_unix.c garbage.c sysctl_net_unix.c Signed-off-by: Jianjun Kong <jianjun@zeuux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* udp: add a missing smp_wmb() in udp_lib_get_port()Eric Dumazet2008-11-02
| | | | | | | | | | | | | | | | Corey Minyard spotted a missing memory barrier in udp_lib_get_port() We need to make sure a reader cannot read the new 'sk->sk_next' value and previous value of 'sk->sk_hash'. Or else, an item could be deleted from a chain, and inserted into another chain. If new chain was empty before the move, 'next' pointer is NULL, and lockless reader can not detect it missed following items in original chain. This patch is temporary, since we expect an upcoming patch to introduce another way of handling the problem. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* xfrm6: handling fragmentNicolas Dichtel2008-11-02
| | | | | | | | | | | | | | | | | | | | | | RFC4301 Section 7.1 says: "7.1. Tunnel Mode SAs that Carry Initial and Non-Initial Fragments All implementations MUST support tunnel mode SAs that are configured to pass traffic without regard to port field (or ICMP type/code or Mobility Header type) values. If the SA will carry traffic for specified protocols, the selector set for the SA MUST specify the port fields (or ICMP type/code or Mobility Header type) as ANY. An SA defined in this fashion will carry all traffic including initial and non-initial fragments for the indicated Local/Remote addresses and specified Next Layer protocol(s)." But for IPv6, fragment is treated as a protocol. This change catches protocol transported in fragmented packet. In IPv4, there is no problem. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mac80211: fix two kernel-doc warningsJohannes Berg2008-10-31
| | | | | | | | One parameter wasn't described and one I forgot to update when renaming it; also update TBDs in sta_info. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless regulatory: move ignore_requestJohannes Berg2008-10-31
| | | | | | | This function is only used once, move it closer to its caller. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: clean up regulatory ignore_request functionJohannes Berg2008-10-31
| | | | | | | | | | | | | | | | | | | | | This function has a few WARNs that may eventually trigger when an AP sends rogue beacons, those must be removed. Some of the comments in the function are also inappropriate as this function is concerned with the global hint, not a per- wiphy thing (which a multidomain flag on a wiphy would imply). I'm convinced that we don't need to do anything to implement multi-domain capability as 802.11-2007 specifies it because it makes only two things mandatory: * starting of BSS/IBSS must have country information (this can easily be done with a mac80211 patch) * a STA must adopt the country information (we already have the framework for this) But we don't have anything implemented anyway for now. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: remove struct regdom hintingJohannes Berg2008-10-31
| | | | | | | | | | | | | The code needs to be split out and cleaned up, so as a first step remove the capability, to add it back in a subsequent patch as a separate function. Also remove the publically facing return value of the function and the wiphy argument. A number of internal functions go from being generic helpers to just being used for alpha2 setting. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: make regdom passing semantics simplerJohannes Berg2008-10-31
| | | | | | | | The regdom struct is given to the core, so it might as well free it in error conditions. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Re-enable aggregationSujith2008-10-31
| | | | | | | | | | | | | | Wireless HW without any dedicated queues for aggregation do not need the ampdu_queues mechanism present right now in mac80211. Since mac80211 is still incomplete wrt TX MQ changes, do not allow aggregation sessions for drivers that set ampdu_queues. This is only an interim hack until Intel fixes the requeue issue. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: Luis Rodriguez <Luis.Rodriguez@Atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: allow all interfaces types to handle RX action framesAndrey Yurovsky2008-10-31
| | | | | | | | | | | Eliminate the vif.type check in ieee80211_rx_h_action. This check is unnecessary (these action frames can be handled by all interface types) and currently prevents, for example, AP interfaces from handling BACK action frames such as ADDBA and DELBA requests. Signed-off-by: Andrey Yurovsky <andrey@cozybit.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: remove write-only 'granted' variableJohannes Berg2008-10-31
| | | | | Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Change WARN_ON to WARN_ON_ONCESujith2008-10-31
| | | | | | | | | | A warning would be printed for every packet that is transmitted if the rate control information isn't setup. Change this to WARN_ON_ONCE. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: make use of regulatory tx power settings on change of tx powerLuis R. Rodriguez2008-10-31
| | | | | | | | | | | | We do not know what max power to allow until a device is targeting a channel, therefore only allow changing tx power if a channel is defined. Also make use of the channel's max power setting as defined by regulatory rules before allowing the user to use the requested power setting. If the user asked us to figure it out we use the max allowed by regulatory. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: check return value of dev_alloc_skb() in ieee80211_sta_join_ibss().Rami Rosen2008-10-31
| | | | | | | | This patch add a check on the return value of dev_alloc_skb() in ieee80211_sta_join_ibss() in net/mac80211/mlme.c. Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: avoid some net/ieee80211.h vs. linux/ieee80211.h conflictsJohn W. Linville2008-10-31
| | | | | | There is quite a lot of overlap in definitions between these headers... Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: use individual buffers for printing ssid valuesJohn W. Linville2008-10-31
| | | | | | Also change escape_ssid to print_ssid to match print_mac semantics. Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: escape_ssid should handle non-printablesJohn W. Linville2008-10-31
| | | | | | Also use common backslash sequences like \t, \n, \r, and \\ as well as \0. Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: remove NETWORK_EMPTY_ESSID flagJohn W. Linville2008-10-31
| | | | | | | It is unnecessary and of questionable value. Also remove is_empty_ssid, as it is also unnecessary. Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: consolidate on a single escape_essid implementationJohn W. Linville2008-10-31
| | | | Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: insert AP sta entry after filling itJohannes Berg2008-10-31
| | | | | | | | | | | | We never clearly defined the semantics of the sta_notify callback and it was originally posted for iwlwifi which still doesn't use it at all. With the recent HT rework ath9k started relying on it, but I made a mistake there in that I made ath9k assume the HT information has already been filled in at sta_notify time. This isn't a hard thing to do, so do it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: fix EU checkJohannes Berg2008-10-31
| | | | | | | http://en.wikipedia.org/wiki/De_Morgan%27s_laws is useful. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: get rid of pointless request listJohannes Berg2008-10-31
| | | | | | | We really only need to know the last request at each point in time. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: remove cfg80211_reg_mutexJohannes Berg2008-10-31
| | | | | | | | | | | This mutex is wrong, we use cfg80211_drv_mutex (which should possibly be renamed to just cfg80211_mutex) everywhere except in one place, fix that and get rid of the extra mutex. Also get rid of a spurious regulatory_requests list definition. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: don't publish __regulatory_hintJohannes Berg2008-10-31
| | | | | | | | This function requires an internal lock to be held, so it cannot be published to other modules in the kernel. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Add nl80211 commands to get and set o11s mesh networking parameterscolin@cozybit.com2008-10-31
| | | | | | | | | | | | | | | | The two new commands are NL80211_CMD_GET_MESH_PARAMS and NL80211_CMD_SET_MESH_PARAMS. There is a new attribute enum, NL80211_ATTR_MESH_PARAMS, which enumerates the various mesh configuration parameters. Moved struct mesh_config from mac80211/ieee80211_i.h to net/cfg80211.h. nl80211_get_mesh_params and nl80211_set_mesh_params unpack the netlink messages and ask the driver to get or set the configuration. This is done via two new function stubs, get_mesh_params and set_mesh_params, in struct cfg80211_ops. Signed-off-by: Colin McCabe <colin@cozybit.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: inform userspace of probe/auth/assoc timeoutJohannes Berg2008-10-31
| | | | | | | | | | | | | | | | | I noticed that when for some reason [1] the probe or auth times out, wpa_supplicant doesn't realise this and only tries the next AP when it runs into its own timeout, which is ten seconds, and that's quite long. Fix this by making mac80211 notify userspace that it didn't associate. [1] my wrt350n in mixed B/G/HT mode often runs into this, maybe it's because one of the antennas is broken off and for whatever reason it decides to use that antenna to transmit the response frames (auth, probe); I do see beacons fine so it's not totally broken. Works fine in pure-G mode. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove rate_control_clearJohannes Berg2008-10-31
| | | | | | | | | | "Clearing" the rate control algorithm is pointless, none of the algorithms actually uses this operation and it's not even invoked properly for all channel switching. Also, there's no need to since rate control algorithms work per station. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* minstrel: improve performance for non-MRR driversFelix Fietkau2008-10-31
| | | | | | | | | | This patch enhances minstrel's performance for non-MRR setups, by preventing it from sampling slower rates with >95% success probability and by putting at least 1 non-sample frame between several sample frames. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* nl80211: fix monitor flagsJohannes Berg2008-10-31
| | | | | | | | | | | | | NLA_NESTED attributes cannot be empty, but we want to be able to specify "no flags" (empty attribute) vs. "no change" (no attribute). Therefore, remove the NLA_NESTED policy so it can work as an empty attribute. I guess I should have used a u32 for these flags instead, but we're stuck with it now. Haven't noticed earlier because of a bug in iw... Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* make ieee80211 invisibleJohannes Berg2008-10-31
| | | | | | | | | | | | | | | This makes CONFIG_IEEE80211 invisible. The drivers that require it (ipw2100, ipw2200, hostap) select it, and everybody else really shouldn't even think about using it. Also, since there really is no point in compiling anything without crypto support these days, remove the crypto options and just enable them, leaving only the debugging option which only shows up when a driver is select that requires it. This makes it hard to enable, but most people wouldn't want to anyway. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211/drivers: rewrite the rate control APIJohannes Berg2008-10-31
| | | | | | | | | | | | So after the previous changes we were still unhappy with how convoluted the API is and decided to make things simpler for everybody. This completely changes the rate control API, now taking into account 802.11n with MCS rates and more control, most drivers don't support that though. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: add might_sleep to hw_configJohannes Berg2008-10-31
| | | | | | | Just to catch bugs when changing mac80211. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: rewrite HT handlingJohannes Berg2008-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The HT handling has the following deficiencies, which I've (partially) fixed: * it always uses the AP info even if there is no AP, hence has no chance of working as an AP * it pretends to be HW config, but really is per-BSS * channel sanity checking is left to the drivers * it generally lets the driver control too much HT enabling is still wrong with this patch if you have more than one virtual STA mode interface, but that never happens currently. Once WDS, IBSS or AP/VLAN gets HT capabilities, it will also be wrong, see the comment in ieee80211_enable_ht(). Additionally, this fixes a number of bugs: * mac80211: ieee80211_set_disassoc doesn't notify the driver any more since the refactoring * iwl-agn-rs: always uses the HT capabilities from the wrong stuff mac80211 gives it rather than the actual peer STA * ath9k: a number of bugs resulting from the broken HT API I'm not entirely happy with putting the HT capabilities into struct ieee80211_sta as restricted to our own HT TX capabilities, but I see no cleaner solution for now. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: move bss_conf into vifJohannes Berg2008-10-31
| | | | | | | | | | Move bss_conf into the vif struct so that drivers can access it during ->tx without having to store it in the private data or similar. No driver updates because this is only for when they want to start using it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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