- 08 Feb, 2011 1 commit
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- 07 Feb, 2011 12 commits
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Dan Carpenter authored
"ap" is the address of sdata->u.ap so it can never be NULL here. Also we dereferenced it on the previous line. I removed the check. Signed-off-by:
Dan Carpenter <error27@gmail.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Mohammed Shafi Shajakhan authored
Add few comments for not parsing DTIM period from mac80211 Signed-off-by:
Mohammed Shafi Shajakhan <mshajakhan@atheros.com> Signed-off-by:
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Mohammed Shafi Shajakhan authored
mac80211 now supports passing MCS index to radiotap, so update the comments regarding this Signed-off-by:
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Felix Fietkau authored
Since 4-addr frames completely override the source address which will make it into the converted 802.3 frames, receiving frames for other 4-addr stations will confuse the bridging code. To be able to handle traffic for all connected devices, the bridge code will automatically turn on promiscuous mode, which triggers this problem. Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Reported-by:
Steve Brown <sbrown@cortland.com> Signed-off-by:
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Ben Greear authored
This allows users to tune the connection-loss algorithms to be more or less lenient. In particular, larger null-func retries helps when using lots of virtual stations on a loaded network. Signed-off-by:
Ben Greear <greearb@candelatech.com> Signed-off-by:
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Nick Kossifidis authored
Fast channel change fixes: a) Always set OFDM timings b) Don't re-activate PHY c) Enable only NF calibration, not AGC Signed-off-by:
Nick Kossifidis <mickflemm@gmail.com> Signed-off-by:
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Vasanthy Kolluri authored
Signed-off-by:
Christian Benvenuti <benve@cisco.com> Signed-off-by:
Vasanthy Kolluri <vkolluri@cisco.com> Signed-off-by:
Roopa Prabhu <roprabhu@cisco.com> Signed-off-by:
David Wang <dwang2@cisco.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Vasanthy Kolluri authored
Remove support for an older version (A1) of hardware Signed-off-by:
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Vasanthy Kolluri authored
Firmware requires CMD_IG_VLAN_REWRITE_MODE be issued before a CMD_INIT. Signed-off-by:
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Vasanthy Kolluri authored
Fix enic_add/del_station_addr routines to return appropriate error code when an invalid address is added or deleted. Signed-off-by:
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Vasanthy Kolluri authored
Organize the wrapper routines for firmware devcmds into a separate file. Signed-off-by:
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Roopa Prabhu authored
This patch removes VM mac address registration and deregistration code during port profile set operation. We can delay mac address registration until enic_open. Signed-off-by:
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- 06 Feb, 2011 5 commits
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Vladislav Zolotarov authored
Completed the bnx2x_set_rx_mode() to a proper netdev->ndo_set_rx_mode implementation: - Added a missing configuration of a unicast MAC addresses list. - Changed bp->dma_lock from being a mutex to a spinlock as long as it's taken under netdev->addr_list_lock now. Signed-off-by:
Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by:
Eilon Greenstein <eilong@broadcom.com> Signed-off-by:
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Vladislav Zolotarov authored
Always configure an FCoE L2 ring with a mini-jumbo MTU size (2500). To do that we had to move the rx_buf_size parameter from per function level to a per ring level. Signed-off-by:
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Wey-Yi Guy authored
When .config has different configuration, it might fail to compile iwlwifi. fix it Signed-off-by:Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Johannes Berg authored
This code, and the places that set the variable is_internal_short_scan and the vif pointers are all protected by the mutex, there's no point in locking the spinlock here as well (any more). Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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David S. Miller authored
Suggested by Alexander Zimmermann Signed-off-by:
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- 04 Feb, 2011 22 commits
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David S. Miller authored
Like metrics, the ICMP rate limiting bits are cached state about a destination. So move it into the inet_peer entries. If an inet_peer cannot be bound (the reason is memory allocation failure or similar), the policy is to allow. Signed-off-by: -
David S. Miller authored
Always lookup to see if we have an existing inetpeer entry for a route. Let FLOWI_FLAG_PRECOW_METRICS merely influence the "create" argument to rt_bind_peer(). Also, call rt_bind_peer() unconditionally since it is not possible for rt->peer to be non-NULL at this point. Signed-off-by: -
David S. Miller authored
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Ben Greear authored
This should decrease un-necessary flushes, on/off channel work, and channel changes in cases where the only scanned channel is the current operating channel. * Removes SCAN_OFF_CHANNEL flag, uses SDATA_STATE_OFFCHANNEL and is-scanning flags instead. * Add helper method to determine if we are currently configured for the operating channel. * Do no blindly go off/on channel in work.c Instead, only call appropriate on/off code when we really need to change channels. Always enable offchannel-ps mode when starting work, and disable it when we are done. * Consolidate ieee80211_offchannel_stop_station and ieee80211_offchannel_stop_beaconing, call it ieee80211_offchannel_stop_vifs instead. * Accept non-beacon frames when scanning on operating channel. * Scan state machine optimized to minimize on/off channel transitions. Also, when going on-channel, go ahead and re-enable beaconing. We're going to be there for 200ms, so seems like some useful beaconing could happen. Always enable offchannel-ps mode when starting software scan, and disable it when we are done. * Grab local->mtx earlier in __ieee80211_scan_completed_finish so that we are protected when calling hw_config(), etc. * Pass probe-responses up the stack if scanning on local channel, so that mlme can take a look. Signed-off-by:
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Felix Fietkau authored
Since even with the latest changes the false positive issue of the baseband hang check is not fully solved yet, additional checks are needed. If the baseband hang occurs, the rx_clear signal will be stuck to high, so we can use the cycle counters to confirm it. With this patch, a hardware reset is only triggered if the baseband hang check returned true three times in a row, with a beacon interval between each check and if the busy time was also 99% or more during the check intervals. Signed-off-by:
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Felix Fietkau authored
I can't think of a valid use case for this aside from debugging (which can also be done with a real monitor interface), and dropping these frames saves some precious CPU cycles. Signed-off-by:
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Jouni Malinen authored
All register writes to the key cache have to be done in pairs. However, the clearing of a separate MIC entry with hardware revisions that use combined MIC key layout did not do that with one of the registers. Add the matching register write to the following register to make the KEY4 register write actually complete. This is mostly a fix for a theoretical issue since the incorrect entry that could potentially be left behind in the key cache would not match with received frames. Anyway, better make this code clean the entry correctly using paired register writes. Signed-off-by:
Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by:
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Rajkumar Manoharan authored
While leaving oper channel, STA informs sleep state to AP to stop sending data. Till sending ack for the nullfunc, AP continues to send the data to STA which restarts ps_timer that is causing unnecessary nullfunc exchange on timer expiry when the STA was already moved to offchannel. So don't restart ps_timer on data reception during scan. This issue was identified by the following warning. WARNING: at net/mac80211/tx.c:661 invoke_tx_handlers+0xf07/0x1330 [mac80211] wlan0: Dropped data frame as no usable bitrate found while scanning and associated. Target station: 00:03:7f:0b:a6:1b on 5 GHz band Call Trace: [<ffffffffa0413ba7>] invoke_tx_handlers+0xf07/0x1330 [mac80211] [<ffffffffa0414056>] ieee80211_tx+0x86/0x2c0 [mac80211] [<ffffffffa0414345>] ieee80211_xmit+0xb5/0x1d0 [mac80211] [<ffffffffa04037e0>] ieee80211_dynamic_ps_enable_work+0x0/0xb0 [mac80211] [<ffffffffa04158cf>] ieee80211_tx_skb+0x4f/0x60 [mac80211] [<ffffffffa04026e6>] ieee80211_send_nullfunc+0x46/0x60 [mac80211] [<ffffffffa0403885>] ieee80211_dynamic_ps_enable_work+0xa5/0xb0 [mac80211] Reviewed-by:
Johannes Berg <johannes@sipsolutions.net> Signed-off-by:
Rajkumar Manoharan <rmanoharan@atheros.com> Signed-off-by:
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Jussi Kivilinna authored
Signed-off-by:
Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by:
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Jussi Kivilinna authored
It should be safe to enable AP-mode now. Signed-off-by:
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Jussi Kivilinna authored
RX appears to freeze while idle. Resetting rx-urbs appears to be enough to fix this. Do reset 30 seconds after last rx. Signed-off-by:
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Jussi Kivilinna authored
When driver fails to acquire device semaphore lock, device usually freezes soon afterwards. So failing to acquire lock indicates us that not everything is going right in device/fw. So reset device when this happens. Signed-off-by:
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Jussi Kivilinna authored
When doing transfers at high speed for long time, tx queue can freeze. So add tx watchdog. TX-watchdog checks for locked tx-urbs and reset hardware when such is detected. Merely unlinking urb was not enough, device have to be reseted. Hw settings are restored so that any open link will stay on after reset. Signed-off-by:
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Jussi Kivilinna authored
We need HW hard reset later in patchset to reset device after TX-stall. Collect all settings that we have set to driver for later reset and add restore function. Signed-off-by:
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Jussi Kivilinna authored
Device command timeouts are set up very high (1 sec) and this causes AP beacon to lock up for long for example. Checking timeouts on device it's easy to see that 1 sec timeout is not needed, when device fails to response longer timeout doesn't help: [ 473.074419] zd1211rw 1-1:1.0: print_times() Read times: [ 473.175163] zd1211rw 1-1:1.0: print_time() 0 - 10 msec: 1506 [ 473.176429] zd1211rw 1-1:1.0: print_time() 11 - 50 msec: 0 [ 473.177955] zd1211rw 1-1:1.0: print_time() 51 - 100 msec: 0 [ 473.180703] zd1211rw 1-1:1.0: print_time() 101 - 250 msec: 0 [ 473.182101] zd1211rw 1-1:1.0: print_time() 251 - 500 msec: 0 [ 473.183221] zd1211rw 1-1:1.0: print_time() 500 - 1000 msec: 20 [ 473.184381] zd1211rw 1-1:1.0: print_time() 1000 - ... msec: 18 Also vendor driver doesn't use this long timeout. Therefore change timeout to 50msec. Signed-off-by:
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Jussi Kivilinna authored
As might lower beacon update CPU usage. Signed-off-by:
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Jussi Kivilinna authored
Use stack for allocing small < 64 byte arrays in zd_chip.c and preallocated buffer in zd_usb.c. This might lower CPU usage for beacon setup. v2: - Do not use stack buffers in zd_usb.c as they would be used for urb transfer_buffer. Signed-off-by:
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Jussi Kivilinna authored
Beacon config function writes beacon to hw one write per byte. This is very slow (usually taking more than 100ms to finish) and causes high CPU usage when in AP-mode (kworker at ~50% on Intel Atom N270). By batching commands together zd_mac_config_beacon() runtime can be lowered to 1/5th and lower CPU usage to saner levels (<10% on Atom). Signed-off-by:
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Jussi Kivilinna authored
When doing tx/rx at high packet rate (for example simply using ping -f), device starts to fail to respond to control messages. On non-AP modes this only causes problems for LED updating code but when we are running in AP-mode we are writing new beacon to HW usually every 100ms. Now if control message fails in HW beacon setup, device lock is kept locked and beacon data partially written. This can and usually does cause: 1. HW beacon setup fail now on, as driver cannot acquire device lock. 2. Beacon-done interrupt stop working as device has incomplete beacon. Therefore make zd_mac_config_beacon() always try to release device lock and add beacon watchdog to restart beaconing when stall is detected. Also fix zd_mac_config_beacon() try acquiring device lock for max 500ms, as what old code appeared to be trying to do using loop and msleep(1). Signed-off-by:
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Christian Lamparter authored
On review of 'zd1211rw: implement beacon fetching and handling ieee80211_get_buffered_bc()', Christian Lamparter noted that [1]: Since zd_beacon_done also uploads the next beacon so long in advance, there could be an equally long race between the outdated state of the next beacon's DTIM broadcast traffic indicator (802.11-2007 7.3.2.6) which -in your case- was uploaded almost a beacon interval ago and the xmit of ieee80211_get_buffered_bc *now*. The dtim bc/mc bit might be not set, when a mc/bc arrived after the beacon was uploaded, but before the "beacon done event" from the hardware. So, dozing stations don't expect the broadcast traffic and of course, they might miss it completely. It's probably better to fix this in mac80211 (see the attached hack). [1] http://marc.info/?l=linux-wireless&m=129435041117256&w=2 CC: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by:
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Jussi Kivilinna authored
Signed-off-by:
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Jussi Kivilinna authored
Add support for AP-mode beacon. Also disable beacon when interface is set down as otherwise hw will keep flooding NEXT_BCN interrupts. Signed-off-by:
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