net: handle ARPHRD_PPP in dev_is_mac_header_xmit()

The goal is to support a bpf_redirect() from an ethernet device (ingress)
to a ppp device (egress).
The l2 header is added automatically by the ppp

net: handle ARPHRD_PPP in dev_is_mac_header_xmit()

The goal is to support a bpf_redirect() from an ethernet device (ingress)
to a ppp device (egress).
The l2 header is added automatically by the ppp driver, thus the ethernet
header should be removed.

CC: [email protected]
Fixes: 27b29f63058d ("bpf: add bpf_redirect() helper")
Signed-off-by: Nicolas Dichtel <[email protected]>
Tested-by: Siwar Zitouni <[email protected]>
Reviewed-by: Guillaume Nault <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()

This kind of interface doesn't have a mac header. This patch fixes
bpf_redirect() to a PIM interface.

Fixes: 27b29f63058d ("bpf: add bpf_redire

net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()

This kind of interface doesn't have a mac header. This patch fixes
bpf_redirect() to a PIM interface.

Fixes: 27b29f63058d ("bpf: add bpf_redirect() helper")
Signed-off-by: Nicolas Dichtel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

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net: handle ARPHRD_IP6GRE in dev_is_mac_header_xmit()

Similar to commit 3b707c3008ca ("net: dev_is_mac_header_xmit() true for
ARPHRD_RAWIP"), add ARPHRD_IP6GRE to dev_is_mac_header_xmit(), to make
i

net: handle ARPHRD_IP6GRE in dev_is_mac_header_xmit()

Similar to commit 3b707c3008ca ("net: dev_is_mac_header_xmit() true for
ARPHRD_RAWIP"), add ARPHRD_IP6GRE to dev_is_mac_header_xmit(), to make
ip6gre compatible with act_mirred and __bpf_redirect().

Signed-off-by: Guillaume Nault <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

Based on 1 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of th

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

Based on 1 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

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net: dev_is_mac_header_xmit() true for ARPHRD_RAWIP

__bpf_redirect() and act_mirred checks this boolean
to determine whether to prefix an ethernet header.

Signed-off-by: Maciej Żenczykowski <maze@g

net: dev_is_mac_header_xmit() true for ARPHRD_RAWIP

__bpf_redirect() and act_mirred checks this boolean
to determine whether to prefix an ethernet header.

Signed-off-by: Maciej Żenczykowski <[email protected]>
Acked-by: Daniel Borkmann <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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arp: make arp_hdr_len() return unsigned int

Negative ARP header length are not a thing.

Constify arguments while I'm at it.

Space savings:

add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-3 (-3)
fu

arp: make arp_hdr_len() return unsigned int

Negative ARP header length are not a thing.

Constify arguments while I'm at it.

Space savings:

add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-3 (-3)
function old new delta
arpt_do_table 1163 1160 -3

Signed-off-by: Alexey Dobriyan <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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bpf: reuse dev_is_mac_header_xmit for redirect

Commit dcf800344a91 ("net/sched: act_mirred: Refactor detection whether
dev needs xmit at mac header") added dev_is_mac_header_xmit(); since it's
also

bpf: reuse dev_is_mac_header_xmit for redirect

Commit dcf800344a91 ("net/sched: act_mirred: Refactor detection whether
dev needs xmit at mac header") added dev_is_mac_header_xmit(); since it's
also useful elsewhere, move it to if_arp.h and reuse it for BPF.

Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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firewire net, ipv4 arp: Extend hardware address and remove driver-level packet inspection.

Inspection of upper layer protocol is considered harmful, especially
if it is about ARP or other stateful u

firewire net, ipv4 arp: Extend hardware address and remove driver-level 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 <[email protected]>
Signed-off-by: YOSHIFUJI Hideaki <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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UAPI: (Scripted) Disintegrate include/linux

Signed-off-by: David Howells <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Acked-by: Michae

UAPI: (Scripted) Disintegrate include/linux

Signed-off-by: David Howells <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Acked-by: Michael Kerrisk <[email protected]>
Acked-by: Paul E. McKenney <[email protected]>
Acked-by: Dave Jones <[email protected]>

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gre: Support GRE over IPv6

GRE over IPv6 implementation.

Signed-off-by: Dmitry Kozlov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

if: restore token ring ARP type to header

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 o

if: restore token ring ARP type to header

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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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mac802154: monitor device support

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. Th

mac802154: monitor device support

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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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net: delete all instances of special processing for token ring

We are going to delete the Token ring support. This removes any
special processing in the core networking for token ring, (aside
from

net: delete all instances of special processing for token ring

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 <[email protected]>

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net-caif: add CAIF protocol definitions

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

Sign

net-caif: add CAIF protocol definitions

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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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net: cleanup include/linux

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

net: cleanup include/linux

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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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Drop ARPHRD_IEEE802154_PHY

There are not maste devices in mac802154 anymore, so drop
ARPHRD_IEEE802154_PHY definition.

Signed-off-by: Dmitry Eremin-Solenikov <[email protected]>

Add constants for the ieee 802.15.4 stack

IEEE 802.15.4 stack requires several constants to be defined/adjusted.

Signed-off-by: Dmitry Eremin-Solenikov <[email protected]>
Signed-off-by: Sergey

Add constants for the ieee 802.15.4 stack

IEEE 802.15.4 stack requires several constants to be defined/adjusted.

Signed-off-by: Dmitry Eremin-Solenikov <[email protected]>
Signed-off-by: Sergey Lapin <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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Phonet: allocate separate ARP type for GPRS over a Phonet pipe

A separate xmit lock class supports GPRS over a Phonet pipe over a TUN
device (type ARPHRD_NONE).

Signed-off-by: Rémi Denis-Courmont <

Phonet: allocate separate ARP type for GPRS over a Phonet pipe

A separate xmit lock class supports GPRS over a Phonet pipe over a TUN
device (type ARPHRD_NONE).

Signed-off-by: Rémi Denis-Courmont <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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Phonet: allocate a non-Ethernet ARP type

Also leave some room for more 802.11 types.

Signed-off-by: Rémi Denis-Courmont <[email protected]>
Signed-off-by: David S. Miller <davem@davemlo

Phonet: allocate a non-Ethernet ARP type

Also leave some room for more 802.11 types.

Signed-off-by: Rémi Denis-Courmont <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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[ARP]: Introduce the arp_hdr_len helper.

There are some place, that calculate the ARP header length. These
calculations are correct, but
a) some operate with "magic" constants,
b) enlarge the cod

[ARP]: Introduce the arp_hdr_len helper.

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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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[CAN]: Allocate protocol numbers for PF_CAN

This patch adds a protocol/address family number, ARP hardware type,
ethernet packet type, and a line discipline number for the SocketCAN
implementation.

[CAN]: Allocate protocol numbers for PF_CAN

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 <[email protected]>
Signed-off-by: Urs Thuermann <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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[SK_BUFF]: Introduce arp_hdr(), remove skb->nh.arph

Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

[IPV4]: ARP header annotated

Signed-off-by: Al Viro <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

[PATCH] ieee80211: Added ieee80211_radiotap.h

tree 383c59b2516a61f2683f02dfebbed0caf6ee5dc3
parent a04948f63fd96c4b875a43f78afad1a0874cc441
author Mike Kershaw <[email protected]> 112444783

[PATCH] ieee80211: Added ieee80211_radiotap.h

tree 383c59b2516a61f2683f02dfebbed0caf6ee5dc3
parent a04948f63fd96c4b875a43f78afad1a0874cc441
author Mike Kershaw <[email protected]> 1124447833 -0500
committer James Ketrenos <[email protected]> 1127313883 -0500

Added ieee80211_radiotap.h to enhance statistic reporting to user space
from wireless drivers.

Signed-off-by: Mike Kershaw <[email protected]>
Signed-off-by: James Ketrenos <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>

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[PATCH] update Ross Biro bouncing email address

Ross moved. Remove the bad email address so people will find the correct
one in ./CREDITS.

Signed-off-by: Jesper Juhl <[email protected]>
Signed-off-

[PATCH] update Ross Biro bouncing email address

Ross moved. Remove the bad email address so people will find the correct
one in ./CREDITS.

Signed-off-by: Jesper Juhl <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

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