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packet inspection.
Inspection of upper layer protocol is considered harmful, especially
if it is about ARP or other stateful upper layer protocol; driver
cannot (and should not) have full state of them.
IPv4 over Firewire module used to inspect ARP (both in sending path
and in receiving path), and record peer's GUID, max packet size, max
speed and fifo address. This patch removes such inspection by extending
our "hardware address" definition to include other information as well:
max packet size, max speed and fifo. By doing this, The neighbour
module in networking subsystem can cache them.
Note: As we have started ignoring sspd and max_rec in ARP/NDP, those
information will not be used in the driver when sending.
When a packet is being sent, the IP layer fills our pseudo header with
the extended "hardware address", including GUID and fifo. The driver
can look-up node-id (the real but rather volatile low-level address)
by GUID, and then the module can send the packet to the wire using
parameters provided in the extendedn hardware address.
This approach is realistic because IP over IEEE1394 (RFC2734) and IPv6
over IEEE1394 (RFC3146) share same "hardware address" format
in their address resolution protocols.
Here, extended "hardware address" is defined as follows:
union fwnet_hwaddr {
u8 u[16];
struct {
__be64 uniq_id; /* EUI-64 */
u8 max_rec; /* max packet size */
u8 sspd; /* max speed */
__be16 fifo_hi; /* hi 16bits of FIFO addr */
__be32 fifo_lo; /* lo 32bits of FIFO addr */
} __packed uc;
};
Note that Hardware address is declared as union, so that we can map full
IP address into this, when implementing MCAP (Multicast Cannel Allocation
Protocol) for IPv6, but IP and ARP subsystem do not need to know this
format in detail.
One difference between original ARP (RFC826) and 1394 ARP (RFC2734)
is that 1394 ARP Request/Reply do not contain the target hardware address
field (aka ar$tha). This difference is handled in the ARP subsystem.
CC: Stephan Gatzka <stephan.gatzka@gmail.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
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GRE over IPv6 implementation.
Signed-off-by: Dmitry Kozlov <xeb@mail.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Recent removal of Token Ring breaks the build of iproute2.
Even though Token Ring support is gone from the kernel, it is worth
keeping the the definition of the TR ARP type to avoid breaking
userspace programs that use this file.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Support for monitor device intended to capture all the network activity.
This interface could be used by networks sniffers and is already
supported by WireShark. That's a good test point to check that basic
MAC support works.
Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We are going to delete the Token ring support. This removes any
special processing in the core networking for token ring, (aside
from net/tr.c itself), leaving the drivers and remaining tokenring
support present but inert.
The mass removal of the drivers and net/tr.c will be in a separate
commit, so that the history of these files that we still care
about won't have the giant deletion tied into their history.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Add CAIF definitions to existing header files.
Files: if_arp.h, if_ether.h, socket.h.
Types: ARPHRD_CAIF, ETH_P_CAIF, AF_CAIF, PF_CAIF, SOL_CAIF, N_CAIF
Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This cleanup patch puts struct/union/enum opening braces,
in first line to ease grep games.
struct something
{
becomes :
struct something {
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are not maste devices in mac802154 anymore, so drop
ARPHRD_IEEE802154_PHY definition.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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IEEE 802.15.4 stack requires several constants to be defined/adjusted.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Sergey Lapin <slapin@ossfans.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A separate xmit lock class supports GPRS over a Phonet pipe over a TUN
device (type ARPHRD_NONE).
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Also leave some room for more 802.11 types.
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are some place, that calculate the ARP header length. These
calculations are correct, but
a) some operate with "magic" constants,
b) enlarge the code length (sometimes at the cost of coding style),
c) are not informative from the first glance.
The proposal is to introduce a helper, that includes all the good
sides of these calculations.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a protocol/address family number, ARP hardware type,
ethernet packet type, and a line discipline number for the SocketCAN
implementation.
Signed-off-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
Signed-off-by: Urs Thuermann <urs.thuermann@volkswagen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tree 383c59b2516a61f2683f02dfebbed0caf6ee5dc3
parent a04948f63fd96c4b875a43f78afad1a0874cc441
author Mike Kershaw <dragorn@kismetwireless.net> 1124447833 -0500
committer James Ketrenos <jketreno@linux.intel.com> 1127313883 -0500
Added ieee80211_radiotap.h to enhance statistic reporting to user space
from wireless drivers.
Signed-off-by: Mike Kershaw <dragorn@kismetwireless.net>
Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Ross moved. Remove the bad email address so people will find the correct
one in ./CREDITS.
Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- Add ARPHRD_INFINIBAND
- Increase MAX_ADDR_LEN to 32 from 8
- Add suitable length protection to SIOCGIFHWADDR and friends.
- Add RTM_SETLINK for portably setting larger hw addrs.
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- Matt Domsch: combine common crc32 library
- Pete Zaitcev: ymfpci update
- Davide Libenzi: scheduler improvements
- Al Viro: almost there: "struct block_device *" everywhere
- Richard Gooch: devfs cpqarray update, race fix
- Rusty Russell: PATH_MAX should include the final '0' count
- David Miller: various random updates (mainly net and sparc)
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- me: remember to bump the version number ;)
- Hugh Dickins: export "free_lru_page()" for modules
- Jeff Garzik: don't change nopage arguments, just make the last a dummy one
- David Miller: sparc and net updates (netfilter, VLAN etc)
- Nikita Danilov: reiserfs cleanups
- Jan Kara: quota initialization race
- Tigran Aivazian: make the x86 microcode update driver happy about
hyperthreaded P4's
- me: shrink dcache/icache more aggressively
- me: fix up oom-killer so that it actually works
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- me: fix more buffer head SMP races (non-x86 only - weak memory ordering)
- Andrea Arkangeli: some bh cleanups from the buffer race condition fix
- Tim Waugh: parport drievr documentation, init sanity
- Ion Badulescu: starfire net driver update
- David Miller: sparc and networking updates
- Ivan Kokshaysky: alpha version of the inlined rw-semaphores
- NIIBE Yutaka: SuperH update
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- David Miller: sparc and networking updates
- Al Viro: SysV FS add_link off-by-two bogosity.
- Jeff Garzik: merge D-Link DL2k GigE driver, other network driver cleanups
- Kai Germaschewski: ISDN update
- Alan Cox: more merging (MPT fusion core)
- Johannes Erdfelt: USB updates
- Stas Sergeev: make sure we return out of vm86 mode when interrupts
get re.enabled
- Rusty Russell: netfilter fixes for ipt_unclean and ip_queue
- me: initialize page->age when adding it to the swap cache
- Paul Mackerras: PPC updates
- some subtle fs/buffer.c race conditions (Andrew Morton, me)
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- Chris Mason: ReiserFS pre-allocation locking bugfix
- David Miller: fix bitops users (requires "long" alignment)
- Andrey Savochkin: file locking failure case SMP lock fix
- Urban Widmark: smbfs update (avoid unnecessary flushing, make NetApp
work)
- Andrew Grover: ACPI update
- Jeff Garzik: network driver updates
- Maciej Rozycki: IO-APIC level trigger problem workaround
- Rusty Russell: ipt_unclean fix
- Richard Gooch: devfs update
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- David Miller: sparc rw semaphores moved over
- Alan Cox: yet more resyncs
- NIIBE Yutaka: Super-H driver update
- David Howells: more rw-sem cleanups, updates
- USB updates
- Al Viro: filesystem init cleanup
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- Paul Mackerras: PPC update for thread-safe page table handling
- Ingo Molnar: x86 PAE update for thread-safe page table handling
- Jeff Garzik: network driver updates, i810 rng driver, and
"alloc_etherdev()" network driver insert race condition fix.
- David Miller: UltraSparcIII update, network locking fixes
- Al Viro: fix fs counts on mount failure
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