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c70f59a2a0
linux/net/mac80211
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Ido Yariv c70f59a2a0 mac80211: don't resize skbs needlessly 
Header-less cloned skbs with sufficient headroom need not be cloned
unless the tailroom is going to be modified.

Fix ieee80211_skb_resize so it would only resize cloned skbs if either
the header isn't released or the tailroom is going to be modified.

Some drivers might have assumed that skbs are never cloned, so add a HW
flag that explicitly permits cloned TX skbs. Drivers which do not modify
TX skbs should set this flag to avoid copying skbs.

Signed-off-by: Ido Yariv <idox.yariv@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-08-26 11:16:00 +02:00
..
aes_ccm.c mac80211: remove VLAIS usage from mac80211 2014-04-09 10:55:27 +02:00
aes_ccm.h mac80211: port CCMP to cryptoapi's CCM driver 2013-10-11 15:38:20 +02:00
aes_cmac.c mac80211: fix checkpatch errors 2013-12-18 10:33:06 +01:00
aes_cmac.h mac80211: fix checkpatch errors 2013-12-18 10:33:06 +01:00
agg-rx.c mac80211: add support for Rx reordering offloading 2014-07-21 17:42:07 +02:00
agg-tx.c mac80211: introduce refcount for queue_stop_reasons 2014-06-23 14:22:25 +02:00
cfg.c mac80211: don't duplicate station QoS capability data 2014-08-15 14:38:08 +02:00
cfg.h mac80211: make cfg80211 ops and privid const 2014-02-04 21:48:21 +01:00
chan.c mac80211: make ieee80211_vif_use_reserved_switch static 2014-08-26 11:15:35 +02:00
debug.h mac80211: process the CSA frame for mesh accordingly 2013-10-28 15:05:28 +01:00
debugfs_key.c mac80211: move sdata debugfs dir to vif 2013-03-18 20:10:04 +01:00
debugfs_key.h
debugfs_netdev.c mac80211: don't check netdev state for debugfs read/write 2014-05-28 16:22:48 +02:00
debugfs_netdev.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
debugfs_sta.c mac80211: don't duplicate station QoS capability data 2014-08-15 14:38:08 +02:00
debugfs_sta.h
debugfs.c mac80211: use RCU_INIT_POINTER 2014-04-09 10:55:30 +02:00
debugfs.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
driver-ops.h mac80211: split sched scan IEs 2014-06-25 09:10:43 +02:00
ethtool.c cfg80211: make ethtool the driver's responsibility 2014-06-23 11:05:33 +02:00
event.c
ht.c mac80211: set Rx highest rate in ht_cap 2014-07-21 12:14:04 +02:00
ibss.c mac80211: don't duplicate station QoS capability data 2014-08-15 14:38:08 +02:00
ieee80211_i.h mac80211: make ieee80211_vif_use_reserved_switch static 2014-08-26 11:15:35 +02:00
iface.c Merge tag 'master-2014-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next 2014-07-28 17:36:25 -07:00
Kconfig mac80211: remove PID rate control 2014-06-23 11:05:23 +02:00
key.c mac80211: Fix accounting of the tailroom-needed counter 2014-08-26 11:15:59 +02:00
key.h mac80211: free all AP/VLAN keys at once 2013-12-16 11:29:48 +01:00
led.c mac80211: use oneshot blink API for LED triggers 2013-08-01 10:48:49 +02:00
led.h mac80211: use oneshot blink API for LED triggers 2013-08-01 10:48:49 +02:00
main.c mac80211: introduce refcount for queue_stop_reasons 2014-06-23 14:22:25 +02:00
Makefile cfg80211: make ethtool the driver's responsibility 2014-06-23 11:05:33 +02:00
mesh_hwmp.c mac80211: remove unnecessary break after return 2014-07-15 16:27:00 -07:00
mesh_pathtbl.c mac80211: remove BUG_ON usage 2014-04-29 17:59:27 +02:00
mesh_plink.c mac80211: mesh_plink: use get_unaligned_le16 instead of memcpy 2014-08-26 11:15:34 +02:00
mesh_ps.c mac80211: clear sequence/fragment number in QoS-null frames 2014-03-05 15:49:54 +01:00
mesh_sync.c mac80211: remove BUG_ON usage 2014-04-29 17:59:27 +02:00
mesh.c mac80211: move csa counters from sdata to beacon/presp 2014-06-23 14:22:06 +02:00
mesh.h mac80211: use put_unaligned_le in mesh when necessary 2013-11-25 20:51:55 +01:00
michael.c
michael.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
mlme.c mac80211: disable 40MHz support in case of 20MHz AP 2014-08-15 14:38:08 +02:00
offchannel.c mac80211: introduce refcount for queue_stop_reasons 2014-06-23 14:22:25 +02:00
pm.c mac80211: introduce refcount for queue_stop_reasons 2014-06-23 14:22:25 +02:00
rate.c mac80211: remove module handling from rate control ops 2014-02-04 21:48:26 +01:00
rate.h mac80211: remove PID rate control 2014-06-23 11:05:23 +02:00
rc80211_minstrel_debugfs.c mac80211: cosmetics for minstrel_debugfs 2013-04-17 17:08:23 +02:00
rc80211_minstrel_ht_debugfs.c mac80211: minstrel_ht: replace some occurences of MCS_GROUP_RATES 2013-11-25 20:52:07 +01:00
rc80211_minstrel_ht.c mac80211: export the expected throughput 2014-05-21 09:15:16 +02:00
rc80211_minstrel_ht.h mac80211/minstrel_ht: use the new rate control API 2013-04-22 16:16:41 +02:00
rc80211_minstrel.c mac80211: export the expected throughput 2014-05-21 09:15:16 +02:00
rc80211_minstrel.h mac80211: make rate control ops const 2014-02-04 21:48:21 +01:00
rx.c cfg80211: remove @gfp parameter from cfg80211_rx_mgmt() 2014-08-26 11:15:58 +02:00
scan.c mac80211: split sched scan IEs 2014-06-25 09:10:43 +02:00
spectmgmt.c mac80211: fix the mesh channel switch support 2013-11-25 16:50:13 +01:00
sta_info.c mac80211: don't duplicate station QoS capability data 2014-08-15 14:38:08 +02:00
sta_info.h mac80211: don't duplicate station QoS capability data 2014-08-15 14:38:08 +02:00
status.c net: Mac80211: Remove silly timespec dance 2014-06-23 14:22:21 +02:00
tdls.c mac80211: don't duplicate station QoS capability data 2014-08-15 14:38:08 +02:00
tkip.c mac80211: fix checkpatch errors 2013-12-18 10:33:06 +01:00
tkip.h
trace.c mac80211: trace debug messages 2012-06-24 11:33:18 +02:00
trace.h mac80211: protect TDLS discovery session 2014-06-23 14:28:19 +02:00
tx.c mac80211: don't resize skbs needlessly 2014-08-26 11:16:00 +02:00
util.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2014-07-22 13:49:34 -04:00
vht.c mac80211: disable VHT for TDLS 2014-07-21 12:14:04 +02:00
wep.c mac80211: remove weak WEP IV accounting 2014-06-23 11:05:31 +02:00
wep.h
wme.c mac80211: don't duplicate station QoS capability data 2014-08-15 14:38:08 +02:00
wme.h mac80211: save wmm_acm per sdata 2012-06-20 17:35:22 +02:00
wpa.c mac80211: fix a potential NULL access in ieee80211_crypto_hw_decrypt 2014-07-21 12:34:08 +02:00
wpa.h mac80211: add generic cipher scheme support 2013-11-25 20:50:52 +01:00