* add CONFIG_LIBERTAS to Kconfig
* remove global variable libertas_fw_name, the USB module might want to
use a different default FW name than the CF module, so libertas_fw_name
is now local to if_usb.c
* exported some symbols as GPL
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Also removes some useless "extern" declarations from function declaration.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This functions makes all libertas_sbi_XXX functions static to the
if_usb.c file and renames them to if_usb_XXXX(). The get called from
other places of the source code via priv->hw_XXXX().
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The previous patch wakes up the mesh device *instead* of the wlan device
when coming out of scan. We need to wake up both of them.
Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Added transmission failures to mesh statistics.
Removed whitespace before newlines.
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch implements proper transmission flow control on mshX.
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Split wlan_add_card() into a part that just setups kernel parameters and
into the function libertas_activate_card(), which will implizitly use
hardware functions by the started thread.
This allows us later to do something like this:
priv = libertas_add_card();
priv->hw_command_to_host = if_usb_command_to_host;
priv->hw_xxxx = if_usb_xxxx;
priv->hw_yyyy = if_usb_yyyy;
wlan_activate_card()
and of course the CF driver can set it's own functions.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The reset_device() logic is only needed for USB devices, not for CF
devices.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
* a newline was missing
* changed %32s to '%s', no need to right justify the ESSID
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
It's not really needed, because we can call wlan_remove_card() with
wlan_private* anyway.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
It used to be LBS_DEB_MAIN, now it's LBS_DEB_THREAD
Also fixed a missing ":" in lbs_deb_enter()
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patches adds the two functions wlan_add_mesh() and wlan_remove_mesh(),
which are responsible for the mshX interface. In a CF driver with a non-
mesh-aware firmware you can omit the calls to this functions.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
* renamed module parameter back to libertas_debug
* change from bit shifts to constants, that way it's easier to look at the
source and specify the libertas_debug=0xXXXX module parameter
* moved module_param from fw.c to main.c, where it belongs better
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The debug output of libertas was either not present or it was overwhelming.
This patch adds the possibility to specify a bitmask for the area of
interest. One should then only get the desired output.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This reduces usb8xxx.ko by 951 bytes (text) and 256 bytes (data)
when PROC_DEBUG isn't defined.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The previous scan fix did not account for scan paths other than set_scan()
that need to do a full scan at once.
Add a "full_scan" parameter to wlan_scan_networks() to control such
behaviour.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Move libertas_wlan_data_rates into wext.c and make it static. wext.c is the
only user of this array.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
For me it looks cleaner, because it removes one level of indirection.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
DEV_NAME_LEN is already defined in defs.h and that is sufficient.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Remove filename from debug output because it's way too long.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
rmmod did not remove /sys/kernel/debug/libertas_wireless/eth1/
subscribed_events/high_snr. After I fixed this, I noticed that
it also didn't remove /sys/kernel/debug/libertas_wireless/eth1
as well.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Renames wlan_association_worker into libertas_association_worker
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Scan two channels per each command on set_scan(), then bail out and let
get_scan() continue the scanning work up to the last channel.
This gives time to the firmware so it can go back to the association
channel and keep the connection alive.
Fixes http://dev.laptop.org/ticket/841
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
When hostap_tx_encrypt() tries to allocate enough headroom and
tailroom for ieee80211 encryption, it only makes enough room for the
"mpdu" phase of the operation, but forgets about the "msdu" phase.
(For TKIP, these two phases require, respectively, 4 and 8 bytes of
tailroom, per the "ieee80211_crypt_tkip" structure at the bottom of
net/ieee80211/ieee80211_crypt_tkip.c.)
Signed-off-by: Brandon Craig Rhodes <brandon@rhodesmill.org>
Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Manually set the device of a skb for prism54 cards that are in monitor
mode as we never call eth_type_trans in that case.
Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
skb could have been freed by then. Also, in libertas_upload_rx_packet(),
skb->protocol is initialized by eth_type_trans().
Signed-off-by: Eugene Teo <eugeneteo@kernel.sg>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
NULL checks should be performed before the dereference.
Spotted by the Coverity checker.
Signed-off-by: Eugene Teo <eteo@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
In libertas_process_rxed_packet() and process_rxed_802_11_packet() the
skb is dereferenced after being passed to netif_rx (called from
libertas_upload_rx_packet). Spotted by Coverity (1658, 1659).
Also, libertas_upload_rx_packet() unconditionally returns 0 so the error
check is dead code - might as well take it out and change the signature.
Signed-off-by: Florin Malita <fmalita@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
made debugfs.c sparse-clean, found an unused function that way
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Remove the static definition of SUPPORT_BOOT_COMMAND.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Also change WEPstatus to "wep_enabled"; it's clearer and consistent with the
WPAenabled and WPA2enabled members.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Remove WLAN_802_11_AUTHENTICATION_MODE enum and use IW_AUTH_ALG_* instead.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Remove setencryptionmode private ioctl and Encryptionmode variable.
Mostly unused, and its functionality is provided by other internal members
like WEPstatus, WPAenabled, WPA2enabled, and SIOCSIWGENIE.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Obsoleted by SIOCSIWAUTH's IW_AUTH_80211_AUTH_ALG option introduced
by WE-18.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Useless; it set an internal variable that was unused anyway.
A supplicant handles all 802.1x authentication, not the driver.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Start to normalize bss_descriptor with ieee80211_network so we can
eventually replace bss_descriptor more easily.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Fix remaining misspellings of "depreciated" to "deprecated."
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Fix the misspellings of "propogate", "writting" and (oh, the shame
:-) "kenrel" in the source tree.
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (40 commits)
[netdrvr] atl1: fix build
pasemi_mac: Use local-mac-address instead of mac-address if available
pasemi_mac: PHY support
pasemi_mac: Add msglevel support and "debug" module param
pasemi_mac: Logic cleanup / rx performance improvements
pasemi_mac: Minor cleanup / define fixes
pasemi_mac: Add SKB reuse / copy-break
pasemi_mac: Timer and interrupt fixes
pasemi_mac: Abstract and fix up interrupt restart routines
pasemi_mac: Move the IRQ mapping from the PCI layer to the driver
tc35815: Remove unnecessary skb->dev assignment
drivers/net/dm9000: Convert to generic boolean
AT91RM9200 Ethernet: Fix multicast addressing
AT91RM9200 Ethernet: Support additional PHYs
PCMCIA-NETDEV : xirc2ps_cs: bugfix of multicast code
sky2: re-enable 88E8056 for most motherboards
MIPS: Drop unnecessary CONFIG_ISA from RBTX49XX
ne: MIPS: Use platform_driver for ne on RBTX49XX
ne: Add NEEDS_PORTLIST to control ISA auto-probe
ne: Misc fixes for platform driver.
...
Fix conflict in drivers/net/pasemi_mac.c (get_property() got renamed to
of_get_property()) manually.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Remove includes of <linux/smp_lock.h> where it is not used/needed.
Suggested by Al Viro.
Builds cleanly on x86_64, i386, alpha, ia64, powerpc, sparc,
sparc64, and arm (all 59 defconfigs).
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The CONFIG_BCM947XX configuration variable was designed for use by the
embedded device used by the OpenWRT project. The device has been shifted
to the ssb driver in bcm43xx-mac80211 and will not be used with SoftMAC.
Accordingly, this "dead" configuration variable is removed.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tested by davo on IRC
zd1211b chip 0586:3413 v4810 full 00-13-49 AL7230B_RF pa0 -----
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This is another "driverless" device which first presents itself as a USB
CDROM drive. A separate patch has been submitted to make usb-storage
ignore that device, so that zd1211rw can eject it.
zd1211 chip 0df6:9075 v4916 full 00-0c-f6 AL2230_RF pa0 ----
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Alan Tam <Tam at SiuLung dot com> asked for inclusion of this
device into the tree.
zd1211b chip 0053:5301 v4810 high 00-90-cc AL2230_RF pa0 ---N
Signed-off-by: Ulrich Kunitz <kune@deine-taler.de>
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Need to change the libertas Kconfig entry to match changes made for
other wireless drivers.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: (38 commits)
kconfig: fix mconf segmentation fault
kbuild: enable use of code from a different dir
kconfig: error out if recursive dependencies are found
kbuild: scripts/basic/fixdep segfault on pathological string-o-death
kconfig: correct minor typo in Kconfig warning message.
kconfig: fix path to modules.txt in Kconfig help
usr/Kconfig: fix typo
kernel-doc: alphabetically-sorted entries in index.html of 'htmldocs'
kbuild: be more explicit on missing .config file
kbuild: clarify the creation of the LOCALVERSION_AUTO string.
kbuild: propagate errors from find in scripts/gen_initramfs_list.sh
kconfig: refer to qt3 if we cannot find qt libraries
kbuild: handle compressed cpio initramfs-es
kbuild: ignore section mismatch warning for references from .paravirtprobe to .init.text
kbuild: remove stale comment in modpost.c
kbuild/mkuboot.sh: allow spaces in CROSS_COMPILE
kbuild: fix make mrproper for Documentation/DocBook/man
kbuild: remove kconfig binaries during make mrproper
kconfig/menuconfig: do not hardcode '.config'
kbuild: override build timestamp & version
...
Cleanup of dev_base list use, with the aim to simplify making device
list per-namespace. In almost every occasion, use of dev_base variable
and dev->next pointer could be easily replaced by for_each_netdev
loop. A few most complicated places were converted to using
first_netdev()/next_netdev().
Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Acked-by: Kirill Korotaev <dev@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Documentation/modules.txt doesn't exist, but
Documentation/kbuild/modules.txt does.
Signed-off-by: Alexander E. Patrakov
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Tested by Christoph Sager and Tomas Klas
zd1211b chip 0586:3412 v4810 high 00-13-49 AL7230B_RF pa0 g----
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch adds support for some new ZD1211B devices which ship with
the AL7230B RF.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This change allows RF drivers to provide their own 6M band edge patching
implementation, while providing a generic implementation shared by most
currently supported RF's.
The upcoming ZD1211B/AL7230B code will use this to define its own
patching function, which is different from the other RF configurations.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The vendor driver only does the CR123 write for non-USB devices (which
don't exist on the consumer market)
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch implements the changes in the specifications for
2050radio_init that were recently posted.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tested by TiCPU on irc
zd1211 chip 13b1:001e v4802 high 00-14-bf AL2230_RF pa0 g---
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Using monitor mode, Johannes Berg observed out that lots of corrupted
and otherwise invalid frames were being passed to the host.
When in monitor mode we were disabling the hardware filtering here, but
this is not how monitor mode should work.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This is a backport of Helge Deller's recent patch for wireless-dev.git
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
After 13 years of use, it looks like my email address is finally going
to disappear. While this is likely to drop the amount of incoming spam
greatly ;-), it may also affect more appropriate messages, so let's
update my email address in various places. In addition, Host AP mailing
list is subscribers-only and linux-wireless can also be used for
discussing issues related to this driver which is now shown in
MAINTAINERS.
Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cleanup drivers/net/wireless/libertas/debugfs.c to use standard kernel
macros and functions.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The way airo.c keeps track of all its devices is complicated and buggy
as well (del_airo_dev forgets to free the memory add_airo_dev allocates).
It's cleaner to use the standard list primitives.
While we're at it, it's not necessary to put PCI cards in the list, because
the kernel already keeps track of them. We can take advantage of it and
use the .remove callback as it was meant to be.
This makes /sys/bus/pci/drivers/airo/{,un}bind work.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
It's unnecessary to check for NULL before calling kfree().
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
In code manipulating the TM State Low register of 802.11 cores, two
different magic numbers are used to reference the 'G Mode Enable' bit.
One of these, 0x20000000, is clear, but the other, (0x800 << 18), is not.
This patch replaces both types with a defined constant. In addition, two
bits in the TM State High registers are given definitions to help in
following the code.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
ASUS A9Rp
Tested by Serge
zd1211b chip 0b05:171b v4802 high 00-17-31 AL2230_RF pa0 g--
ZyXEL G-202
Tested by Marcus D. Hanwell
zd1211b chip 0586:3410 v4810 high 00-13-49 AL2230_RF pa0 g---
US Robotics USR805423
Tested by Pascal S. de Kloe
FCC ID: RAXWN4501H
zd1211b chip 0baf:0121 v4810 high 00-14-c1 AL2230_RF pa0 g--N
Julien Pinon reports this also comes in AL2230S form
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
ZD1211 appears to be back in production: a number of new devices have
been appearing! Some of them are using new radios.
This patch adds support for the next generation AL2230 RF chip which has
been spotted in a few new devices.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Suggested by Maxime Austruy, based on mac80211 changes from Stephen
Hemminger
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
In bcm43xx_ethtool, UTS_RELEASE is used. Replacing this with utsname()->release
avoids rebuilding this module each time the kernel version changes.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
It looks like some of the PC Card manfid/product strings were lost
when Host AP driver was converted to use PCMCIA_DEVICE_* helpers. This
patch adds back D-Link DWL-650 Rev. P1 using the same product ID
string match as the pcmcia-cs/cardmgr configuration used before.
Signed-off-by: Jouni Malinen <jkmaline@cc.hut.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
testing much?
Cc: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The original macros result in gcc 4.2 warning about "cast from pointer
to integer of different size" on 64-bit systems.
Use of offsetof() on fields in substructures is widespread throughout
the kernel code and should work whether offsetof() is defined using
__compiler_offsetof() or a cast.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Add the Marvell Libertas 8388 802.11 USB driver.
Signed-off-by: Marcelo Tosatti <marcelo@kvack.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Michael Buesch commented that GFP_NOFS should not be used in a
network driver.
Signed-off-by: Ulrich Kunitz <kune@deine-taler.de>
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Add 'channels' sysfs entry for ipw2200. The entry exports channels
information for the user space.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Correct minor typo in drivers/net/wireless/Kconfig identified by
Stefano Brivio <stefano.brivio@polimi.it>.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch refactors the wireless Kconfig all over and already
introduces net/wireless/Kconfig with just the WEXT bit for now,
the cfg80211 patch will add to that as well.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To clearly state the intent of copying to linear sk_buffs, _offset being a
overly long variant but interesting for the sake of saving some bytes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To clearly state the intent of copying from linear sk_buffs, _offset being a
overly long variant but interesting for the sake of saving some bytes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Now to convert the last one, skb->data, that will allow many simplifications
and removal of some of the offset helpers.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
So that it is also an offset from skb->head, reduces its size from 8 to 4 bytes
on 64bit architectures, allowing us to combine the 4 bytes hole left by the
layer headers conversion, reducing struct sk_buff size to 256 bytes, i.e. 4
64byte cachelines, and since the sk_buff slab cache is SLAB_HWCACHE_ALIGN...
:-)
Many calculations that previously required that skb->{transport,network,
mac}_header be first converted to a pointer now can be done directly, being
meaningful as offsets or pointers.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Renaming skb->h to skb->transport_header, skb->nh to skb->network_header and
skb->mac to skb->mac_header, to match the names of the associated helpers
(skb[_[re]set]_{transport,network,mac}_header).
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For the common, open coded 'skb->nh.raw = skb->data' operation, so that we can
later turn skb->nh.raw into a offset, reducing the size of struct sk_buff in
64bit land while possibly keeping it as a pointer on 32bit.
This one touches just the most simple case, next will handle the slightly more
"complex" cases.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
