linux/drivers/net
Eric Dumazet ed90542b0c iwlwifi: fix skb truesize underestimation
By default, iwlwifi uses order-1 pages (8 KB) to store incoming frames,
but doesnt say so in skb->truesize.

This makes very possible to exhaust kernel memory since these skb evade
normal socket memory accounting.

As struct ieee80211_hdr is going to be pulled before calling IP stack,
there is no need to use dev_alloc_skb() to reserve NET_SKB_PAD bytes.
alloc_skb() is ok in this driver, allowing more tailroom.

Pull beginning of frame in skb header, in the hope we can reuse order-1
pages in the driver immediately for small frames and reduce their
truesize to the minimum (linear skbs)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: Neal Cardwell <ncardwell@google.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-05-03 10:52:30 -04:00
..
appletalk Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
arcnet Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
bonding bonding: properly unset current_arp_slave on slave link up 2012-04-05 19:07:59 -04:00
caif simple_open: automatically convert to simple_open() 2012-04-05 15:25:50 -07:00
can Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
cris Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
dsa drivers/net: dsa/mv88e6xxx.c files need linux/module.h 2012-01-24 15:44:50 -05:00
ethernet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-04-06 10:37:38 -07:00
fddi
hamradio Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
hippi Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
hyperv net/hyperv: Fix the code handling tx busy 2012-03-19 17:27:06 -04:00
irda ARM: sa11x0: fix build errors from DMA engine API updates 2012-03-30 11:46:20 +01:00
phy phy:icplus:fix Auto Power Saving in ip101a_config_init. 2012-04-03 18:48:58 -04:00
plip Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
ppp ppp: Don't stop and restart queue on every TX packet 2012-04-03 17:31:38 -04:00
slip Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
team net: use eth_hw_addr_random() and reset addr_assign_type 2012-02-15 15:34:17 -05:00
tokenring Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
usb net: usb: cdc_eem: fix mtu 2012-04-01 23:32:35 -04:00
vmxnet3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-03-05 21:16:26 -05:00
wan Documentation: remove references to /etc/modprobe.conf 2012-03-30 16:03:15 -07:00
wimax Merge branch 'akpm' (Andrew's patch-bomb) 2012-04-05 15:30:34 -07:00
wireless iwlwifi: fix skb truesize underestimation 2012-05-03 10:52:30 -04:00
xen-netback drivers/net: Remove unnecessary k.alloc/v.alloc OOM messages 2012-01-31 16:20:21 -05:00
dummy.c net: use eth_hw_addr_random() and reset addr_assign_type 2012-02-15 15:34:17 -05:00
eql.c eql: dont rely on HZ=100 2012-03-27 22:45:26 -04:00
ifb.c net: replace random_ether_addr() with eth_hw_addr_random() 2012-02-15 15:34:16 -05:00
Kconfig
LICENSE.SRC
loopback.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
macvlan.c net: use eth_hw_addr_random() and reset addr_assign_type 2012-02-15 15:34:17 -05:00
macvtap.c security: trim security.h 2012-02-14 10:45:42 +11:00
Makefile
mdio.c ethtool, mdio, mii: Specify MDIO information fields in struct ethtool_cmd 2012-03-01 16:41:26 -05:00
mii.c ethtool, mdio, mii: Specify MDIO information fields in struct ethtool_cmd 2012-03-01 16:41:26 -05:00
netconsole.c drivers/net: Remove unnecessary k.alloc/v.alloc OOM messages 2012-01-31 16:20:21 -05:00
rionet.c rionet: fix page allocation order of rionet_active 2012-04-01 23:17:16 -04:00
sb1000.c
Space.c CS89x0 : add platform driver support 2012-02-01 16:49:50 +01:00
sungem_phy.c
tun.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
veth.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-02-19 16:03:15 -05:00
virtio_net.c virtio_net: do not rate limit counter increments 2012-03-28 04:40:45 -04:00
xen-netfront.c One tiny feature that accidentally got lost in the initial git pull: 2012-03-24 12:20:25 -07:00