AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

Networking fixes for 5.10-rc3, including fixes from wireless, can,

Browse Source 
and netfilter subtrees.
 
 Current release - bugs in new features:
 
  - can: isotp: isotp_rcv_cf(): enable RX timeout handling in
    listen-only mode
 
 Previous release - regressions:
 
  - mac80211:
    - don't require VHT elements for HE on 2.4 GHz
    - fix regression where EAPOL frames were sent in plaintext
 
  - netfilter:
    - ipset: Update byte and packet counters regardless of whether
      they match
 
  - ip_tunnel: fix over-mtu packet send by allowing fragmenting even
    if inner packet has IP_DF (don't fragment) set in its header
    (when TUNNEL_DONT_FRAGMENT flag is not set on the tunnel dev)
 
  - net: fec: fix MDIO probing for some FEC hardware blocks
 
  - ip6_tunnel: set inner ipproto before ip6_tnl_encap to un-break
    gso support
 
  - sctp: Fix COMM_LOST/CANT_STR_ASSOC err reporting on big-endian
    platforms, sparse-related fix used the wrong integer size
 
 Previous release - always broken:
 
  - netfilter: use actual socket sk rather than skb sk when routing
    harder
 
  - r8169: work around short packet hw bug on RTL8125 by padding frames
 
  - net: ethernet: ti: cpsw: disable PTPv1 hw timestamping
    advertisement, the hardware does not support it
 
  - chelsio/chtls: fix always leaking ctrl_skb and another leak caused
    by a race condition
 
  - fix drivers incorrectly writing into skbs on TX:
    - cadence: force nonlinear buffers to be cloned
    - gianfar: Account for Tx PTP timestamp in the skb headroom
    - gianfar: Replace skb_realloc_headroom with skb_cow_head for PTP
 
  - can: flexcan:
    - remove FLEXCAN_QUIRK_DISABLE_MECR quirk for LS1021A
    - add ECC initialization for VF610 and LX2160A
    - flexcan_remove(): disable wakeup completely
 
  - can: fix packet echo functionality:
    - peak_canfd: fix echo management when loopback is on
    - make sure skbs are not freed in IRQ context in case they need
      to be dropped
    - always clone the skbs to make sure they have a reference on
      the socket, and prevent it from disappearing
    - fix real payload length return value for RTR frames
 
  - can: j1939: return failure on bind if netdev is down, rather than
    waiting indefinitely
 
 Misc:
 
  - IPv6: reply ICMP error if the first fragment don't include all
    headers to improve compliance with RFC 8200
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEE6jPA+I1ugmIBA4hXMUZtbf5SIrsFAl+kTDcACgkQMUZtbf5S
 IrtC9A//f9rwNFI7sRaz9FYi6ljtWY7paPxdOxy3pWRoNzbfffjTGSPheNvy1pQb
 IPaLsNwRrckQNSEPTbQqlUYcjzk1W74ffvq0sQOan4kNKxjX3uf78E6RuWARJsRC
 dLqfcJctO6bFi6sEMwIFZ2tLOO5lUIA+Pd0GbjhSdObWzl3uqJ26v7wC6vVk29vS
 116Mmhe8/TDVtCOzwlZnBPHqBJkTAirB+MAEX4Sp6FB9YirlcNZbWyHX5L6ejGqC
 WQVjU2tPBBugeo0j72tc+y0mD3iK0aLcPL+dk0EQQYHRDMVTebl+gxNPUXCo9Out
 HGe5z4e4qrR4Rx1W6MQ3pKwTYuCdwKjMRGd72JAi428/l4NN3y9W/HkI2Zuppd2l
 7ifURkNQllYjGCSoHBviJbajyFBeA1nkFJgMSJiRs4T167K3zTbsyjNnfa4LnsvS
 B3SrYMGqIH+oR20R9EoV8prVX+Alj1hh/jX02J8zsCcHmBqF2yZi17NarVAWoarm
 v/AAqehlP+D1vjAmbCG9DeborrjaNi+v6zFTKK6ZadvLXRJX/N+wEPIpG4KjiK8W
 DWKIVlee0R+kgCXE1n9AuZaZLWb7VwrAjkG1Pmfi3vkZhWeAhOW4X98ehhi/hVR/
 Gq+e48ZECW5yuOA1q4hbsCYkGr2qAn/LPbsXxhEmW8qwkJHZYkI=
 =5R2w
 -----END PGP SIGNATURE-----

Merge tag 'net-5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Networking fixes for 5.10-rc3, including fixes from wireless, can, and
  netfilter subtrees.

  Current merge window - bugs in new features:

   - can: isotp: isotp_rcv_cf(): enable RX timeout handling in
     listen-only mode

  Previous releases - regressions:

   - mac80211:
      - don't require VHT elements for HE on 2.4 GHz
      - fix regression where EAPOL frames were sent in plaintext

   - netfilter:
      - ipset: Update byte and packet counters regardless of whether
        they match

   - ip_tunnel: fix over-mtu packet send by allowing fragmenting even if
     inner packet has IP_DF (don't fragment) set in its header (when
     TUNNEL_DONT_FRAGMENT flag is not set on the tunnel dev)

   - net: fec: fix MDIO probing for some FEC hardware blocks

   - ip6_tunnel: set inner ipproto before ip6_tnl_encap to un-break gso
     support

   - sctp: Fix COMM_LOST/CANT_STR_ASSOC err reporting on big-endian
     platforms, sparse-related fix used the wrong integer size

  Previous releases - always broken:

   - netfilter: use actual socket sk rather than skb sk when routing
     harder

   - r8169: work around short packet hw bug on RTL8125 by padding frames

   - net: ethernet: ti: cpsw: disable PTPv1 hw timestamping
     advertisement, the hardware does not support it

   - chelsio/chtls: fix always leaking ctrl_skb and another leak caused
     by a race condition

   - fix drivers incorrectly writing into skbs on TX:
      - cadence: force nonlinear buffers to be cloned
      - gianfar: Account for Tx PTP timestamp in the skb headroom
      - gianfar: Replace skb_realloc_headroom with skb_cow_head for PTP

   - can: flexcan:
      - remove FLEXCAN_QUIRK_DISABLE_MECR quirk for LS1021A
      - add ECC initialization for VF610 and LX2160A
      - flexcan_remove(): disable wakeup completely

   - can: fix packet echo functionality:
      - peak_canfd: fix echo management when loopback is on
      - make sure skbs are not freed in IRQ context in case they need to
        be dropped
      - always clone the skbs to make sure they have a reference on the
        socket, and prevent it from disappearing
      - fix real payload length return value for RTR frames

   - can: j1939: return failure on bind if netdev is down, rather than
     waiting indefinitely

  Misc:

   - IPv6: reply ICMP error if the first fragment don't include all
     headers to improve compliance with RFC 8200"

* tag 'net-5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (66 commits)
  ionic: check port ptr before use
  r8169: work around short packet hw bug on RTL8125
  net: openvswitch: silence suspicious RCU usage warning
  chelsio/chtls: fix always leaking ctrl_skb
  chelsio/chtls: fix memory leaks caused by a race
  can: flexcan: flexcan_remove(): disable wakeup completely
  can: flexcan: add ECC initialization for VF610
  can: flexcan: add ECC initialization for LX2160A
  can: flexcan: remove FLEXCAN_QUIRK_DISABLE_MECR quirk for LS1021A
  can: mcp251xfd: remove unneeded break
  can: mcp251xfd: mcp251xfd_regmap_nocrc_read(): fix semicolon.cocci warnings
  can: mcp251xfd: mcp251xfd_regmap_crc_read(): increase severity of CRC read error messages
  can: peak_canfd: pucan_handle_can_rx(): fix echo management when loopback is on
  can: peak_usb: peak_usb_get_ts_time(): fix timestamp wrapping
  can: peak_usb: add range checking in decode operations
  can: xilinx_can: handle failure cases of pm_runtime_get_sync
  can: ti_hecc: ti_hecc_probe(): add missed clk_disable_unprepare() in error path
  can: isotp: padlen(): make const array static, makes object smaller
  can: isotp: isotp_rcv_cf(): enable RX timeout handling in listen-only mode
  can: isotp: Explain PDU in CAN_ISOTP help text
  ...
This commit is contained in:
Linus Torvalds 2020-11-06 11:50:28 -08:00
commit 41f1653024
78 changed files with 745 additions and 383 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
Documentation/devicetree/bindings/net/can/can-controller.yaml Normal file
View File

@ -0,0 +1,18 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/can/can-controller.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: CAN Controller Generic Binding
maintainers:
- Marc Kleine-Budde <mkl@pengutronix.de>
properties:
$nodename:
pattern: "^can(@.*)?$"
additionalProperties: true
...

135
Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml Normal file
View File

@ -0,0 +1,135 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/can/fsl,flexcan.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title:
Flexcan CAN controller on Freescale's ARM and PowerPC system-on-a-chip (SOC).
maintainers:
- Marc Kleine-Budde <mkl@pengutronix.de>
allOf:
- $ref: can-controller.yaml#
properties:
compatible:
oneOf:
- enum:
- fsl,imx8qm-flexcan
- fsl,imx8mp-flexcan
- fsl,imx6q-flexcan
- fsl,imx53-flexcan
- fsl,imx35-flexcan
- fsl,imx28-flexcan
- fsl,imx25-flexcan
- fsl,p1010-flexcan
- fsl,vf610-flexcan
- fsl,ls1021ar2-flexcan
- fsl,lx2160ar1-flexcan
- items:
- enum:
- fsl,imx7d-flexcan
- fsl,imx6ul-flexcan
- fsl,imx6sx-flexcan
- const: fsl,imx6q-flexcan
- items:
- enum:
- fsl,ls1028ar1-flexcan
- const: fsl,lx2160ar1-flexcan
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 2
clock-names:
items:
- const: ipg
- const: per
clock-frequency:
description: |
The oscillator frequency driving the flexcan device, filled in by the
boot loader. This property should only be used the used operating system
doesn't support the clocks and clock-names property.
xceiver-supply:
description: Regulator that powers the CAN transceiver.
big-endian:
$ref: /schemas/types.yaml#/definitions/flag
description: |
This means the registers of FlexCAN controller are big endian. This is
optional property.i.e. if this property is not present in device tree
node then controller is assumed to be little endian. If this property is
present then controller is assumed to be big endian.
fsl,stop-mode:
description: |
Register bits of stop mode control.
The format should be as follows:
<gpr req_gpr req_bit>
gpr is the phandle to general purpose register node.
req_gpr is the gpr register offset of CAN stop request.
req_bit is the bit offset of CAN stop request.
$ref: /schemas/types.yaml#/definitions/phandle-array
items:
- description: The 'gpr' is the phandle to general purpose register node.
- description: The 'req_gpr' is the gpr register offset of CAN stop request.
maximum: 0xff
- description: The 'req_bit' is the bit offset of CAN stop request.
maximum: 0x1f
fsl,clk-source:
description: |
Select the clock source to the CAN Protocol Engine (PE). It's SoC
implementation dependent. Refer to RM for detailed definition. If this
property is not set in device tree node then driver selects clock source 1
by default.
0: clock source 0 (oscillator clock)
1: clock source 1 (peripheral clock)
$ref: /schemas/types.yaml#/definitions/uint32
default: 1
minimum: 0
maximum: 1
wakeup-source:
$ref: /schemas/types.yaml#/definitions/flag
description:
Enable CAN remote wakeup.
required:
- compatible
- reg
- interrupts
additionalProperties: false
examples:
- |
can@1c000 {
compatible = "fsl,p1010-flexcan";
reg = <0x1c000 0x1000>;
interrupts = <48 0x2>;
interrupt-parent = <&mpic>;
clock-frequency = <200000000>;
fsl,clk-source = <0>;
};
- |
#include <dt-bindings/interrupt-controller/irq.h>
can@2090000 {
compatible = "fsl,imx6q-flexcan";
reg = <0x02090000 0x4000>;
interrupts = <0 110 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks 1>, <&clks 2>;
clock-names = "ipg", "per";
fsl,stop-mode = <&gpr 0x34 28>;
};

57
Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
View File

@ -1,57 +0,0 @@
Flexcan CAN controller on Freescale's ARM and PowerPC system-on-a-chip (SOC).
Required properties:
- compatible : Should be "fsl,<processor>-flexcan"
where <processor> is imx8qm, imx6q, imx28, imx53, imx35, imx25, p1010,
vf610, ls1021ar2, lx2160ar1, ls1028ar1.
The ls1028ar1 must be followed by lx2160ar1, e.g.
- "fsl,ls1028ar1-flexcan", "fsl,lx2160ar1-flexcan"
An implementation should also claim any of the following compatibles
that it is fully backwards compatible with:
- fsl,p1010-flexcan
- reg : Offset and length of the register set for this device
- interrupts : Interrupt tuple for this device
Optional properties:
- clock-frequency : The oscillator frequency driving the flexcan device
- xceiver-supply: Regulator that powers the CAN transceiver
- big-endian: This means the registers of FlexCAN controller are big endian.
This is optional property.i.e. if this property is not present in
device tree node then controller is assumed to be little endian.
if this property is present then controller is assumed to be big
endian.
- fsl,stop-mode: register bits of stop mode control, the format is
<&gpr req_gpr req_bit>.
gpr is the phandle to general purpose register node.
req_gpr is the gpr register offset of CAN stop request.
req_bit is the bit offset of CAN stop request.
- fsl,clk-source: Select the clock source to the CAN Protocol Engine (PE).
It's SoC Implementation dependent. Refer to RM for detailed
definition. If this property is not set in device tree node
then driver selects clock source 1 by default.
0: clock source 0 (oscillator clock)
1: clock source 1 (peripheral clock)
- wakeup-source: enable CAN remote wakeup
Example:
can@1c000 {
compatible = "fsl,p1010-flexcan";
reg = <0x1c000 0x1000>;
interrupts = <48 0x2>;
interrupt-parent = <&mpic>;
clock-frequency = <200000000>; // filled in by bootloader
fsl,clk-source = <0>; // select clock source 0 for PE
};

120
Documentation/networking/j1939.rst
View File

@ -10,9 +10,9 @@ Overview / What Is J1939
SAE J1939 defines a higher layer protocol on CAN. It implements a more
sophisticated addressing scheme and extends the maximum packet size above 8
bytes. Several derived specifications exist, which differ from the original
J1939 on the application level, like MilCAN A, NMEA2000 and especially
J1939 on the application level, like MilCAN A, NMEA2000, and especially
ISO-11783 (ISOBUS). This last one specifies the so-called ETP (Extended
Transport Protocol) which is has been included in this implementation. This
Transport Protocol), which has been included in this implementation. This
results in a maximum packet size of ((2 ^ 24) - 1) * 7 bytes == 111 MiB.
Specifications used
@ -32,15 +32,15 @@ sockets, we found some reasons to justify a kernel implementation for the
addressing and transport methods used by J1939.
* **Addressing:** when a process on an ECU communicates via J1939, it should
not necessarily know its source address. Although at least one process per
not necessarily know its source address. Although, at least one process per
ECU should know the source address. Other processes should be able to reuse
that address. This way, address parameters for different processes
cooperating for the same ECU, are not duplicated. This way of working is
closely related to the UNIX concept where programs do just one thing, and do
closely related to the UNIX concept, where programs do just one thing and do
it well.
* **Dynamic addressing:** Address Claiming in J1939 is time critical.
Furthermore data transport should be handled properly during the address
Furthermore, data transport should be handled properly during the address
negotiation. Putting this functionality in the kernel eliminates it as a
requirement for _every_ user space process that communicates via J1939. This
results in a consistent J1939 bus with proper addressing.
@ -58,7 +58,7 @@ Therefore, these parts are left to user space.
The J1939 sockets operate on CAN network devices (see SocketCAN). Any J1939
user space library operating on CAN raw sockets will still operate properly.
Since such library does not communicate with the in-kernel implementation, care
Since such a library does not communicate with the in-kernel implementation, care
must be taken that these two do not interfere. In practice, this means they
cannot share ECU addresses. A single ECU (or virtual ECU) address is used by
the library exclusively, or by the in-kernel system exclusively.
@ -77,13 +77,13 @@ is composed as follows:
8 bits : PS (PDU Specific)
In J1939-21 distinction is made between PDU1 format (where PF < 240) and PDU2
format (where PF >= 240). Furthermore, when using PDU2 format, the PS-field
format (where PF >= 240). Furthermore, when using the PDU2 format, the PS-field
contains a so-called Group Extension, which is part of the PGN. When using PDU2
format, the Group Extension is set in the PS-field.
On the other hand, when using PDU1 format, the PS-field contains a so-called
Destination Address, which is _not_ part of the PGN. When communicating a PGN
from user space to kernel (or visa versa) and PDU2 format is used, the PS-field
from user space to kernel (or vice versa) and PDU2 format is used, the PS-field
of the PGN shall be set to zero. The Destination Address shall be set
elsewhere.
@ -96,15 +96,15 @@ Addressing
Both static and dynamic addressing methods can be used.
For static addresses, no extra checks are made by the kernel, and provided
For static addresses, no extra checks are made by the kernel and provided
addresses are considered right. This responsibility is for the OEM or system
integrator.
For dynamic addressing, so-called Address Claiming, extra support is foreseen
in the kernel. In J1939 any ECU is known by it's 64-bit NAME. At the moment of
in the kernel. In J1939 any ECU is known by its 64-bit NAME. At the moment of
a successful address claim, the kernel keeps track of both NAME and source
address being claimed. This serves as a base for filter schemes. By default,
packets with a destination that is not locally, will be rejected.
packets with a destination that is not locally will be rejected.
Mixed mode packets (from a static to a dynamic address or vice versa) are
allowed. The BSD sockets define separate API calls for getting/setting the
@ -131,31 +131,31 @@ API Calls
---------
On CAN, you first need to open a socket for communicating over a CAN network.
To use J1939, #include <linux/can/j1939.h>. From there, <linux/can.h> will be
To use J1939, ``#include <linux/can/j1939.h>``. From there, ``<linux/can.h>`` will be
included too. To open a socket, use:
.. code-block:: C
s = socket(PF_CAN, SOCK_DGRAM, CAN_J1939);
J1939 does use SOCK_DGRAM sockets. In the J1939 specification, connections are
J1939 does use ``SOCK_DGRAM`` sockets. In the J1939 specification, connections are
mentioned in the context of transport protocol sessions. These still deliver
packets to the other end (using several CAN packets). SOCK_STREAM is not
packets to the other end (using several CAN packets). ``SOCK_STREAM`` is not
supported.
After the successful creation of the socket, you would normally use the bind(2)
and/or connect(2) system call to bind the socket to a CAN interface. After
binding and/or connecting the socket, you can read(2) and write(2) from/to the
socket or use send(2), sendto(2), sendmsg(2) and the recv*() counterpart
After the successful creation of the socket, you would normally use the ``bind(2)``
and/or ``connect(2)`` system call to bind the socket to a CAN interface. After
binding and/or connecting the socket, you can ``read(2)`` and ``write(2)`` from/to the
socket or use ``send(2)``, ``sendto(2)``, ``sendmsg(2)`` and the ``recv*()`` counterpart
operations on the socket as usual. There are also J1939 specific socket options
described below.
In order to send data, a bind(2) must have been successful. bind(2) assigns a
In order to send data, a ``bind(2)`` must have been successful. ``bind(2)`` assigns a
local address to a socket.
Different from CAN is that the payload data is just the data that get send,
without it's header info. The header info is derived from the sockaddr supplied
to bind(2), connect(2), sendto(2) and recvfrom(2). A write(2) with size 4 will
Different from CAN is that the payload data is just the data that get sends,
without its header info. The header info is derived from the sockaddr supplied
to ``bind(2)``, ``connect(2)``, ``sendto(2)`` and ``recvfrom(2)``. A ``write(2)`` with size 4 will
result in a packet with 4 bytes.
The sockaddr structure has extensions for use with J1939 as specified below:
@ -180,47 +180,47 @@ The sockaddr structure has extensions for use with J1939 as specified below:
} can_addr;
}
can_family & can_ifindex serve the same purpose as for other SocketCAN sockets.
``can_family`` & ``can_ifindex`` serve the same purpose as for other SocketCAN sockets.
can_addr.j1939.pgn specifies the PGN (max 0x3ffff). Individual bits are
``can_addr.j1939.pgn`` specifies the PGN (max 0x3ffff). Individual bits are
specified above.
can_addr.j1939.name contains the 64-bit J1939 NAME.
``can_addr.j1939.name`` contains the 64-bit J1939 NAME.
can_addr.j1939.addr contains the address.
``can_addr.j1939.addr`` contains the address.
The bind(2) system call assigns the local address, i.e. the source address when
sending packages. If a PGN during bind(2) is set, it's used as a RX filter.
I.e. only packets with a matching PGN are received. If an ADDR or NAME is set
The ``bind(2)`` system call assigns the local address, i.e. the source address when
sending packages. If a PGN during ``bind(2)`` is set, it's used as a RX filter.
I.e. only packets with a matching PGN are received. If an ADDR or NAME is set
it is used as a receive filter, too. It will match the destination NAME or ADDR
of the incoming packet. The NAME filter will work only if appropriate Address
Claiming for this name was done on the CAN bus and registered/cached by the
kernel.
On the other hand connect(2) assigns the remote address, i.e. the destination
address. The PGN from connect(2) is used as the default PGN when sending
On the other hand ``connect(2)`` assigns the remote address, i.e. the destination
address. The PGN from ``connect(2)`` is used as the default PGN when sending
packets. If ADDR or NAME is set it will be used as the default destination ADDR
or NAME. Further a set ADDR or NAME during connect(2) is used as a receive
or NAME. Further a set ADDR or NAME during ``connect(2)`` is used as a receive
filter. It will match the source NAME or ADDR of the incoming packet.
Both write(2) and send(2) will send a packet with local address from bind(2) and
the remote address from connect(2). Use sendto(2) to overwrite the destination
Both ``write(2)`` and ``send(2)`` will send a packet with local address from ``bind(2)`` and the
remote address from ``connect(2)``. Use ``sendto(2)`` to overwrite the destination
address.
If can_addr.j1939.name is set (!= 0) the NAME is looked up by the kernel and
the corresponding ADDR is used. If can_addr.j1939.name is not set (== 0),
can_addr.j1939.addr is used.
If ``can_addr.j1939.name`` is set (!= 0) the NAME is looked up by the kernel and
the corresponding ADDR is used. If ``can_addr.j1939.name`` is not set (== 0),
``can_addr.j1939.addr`` is used.
When creating a socket, reasonable defaults are set. Some options can be
modified with setsockopt(2) & getsockopt(2).
modified with ``setsockopt(2)`` & ``getsockopt(2)``.
RX path related options:
- SO_J1939_FILTER - configure array of filters
- SO_J1939_PROMISC - disable filters set by bind(2) and connect(2)
- ``SO_J1939_FILTER`` - configure array of filters
- ``SO_J1939_PROMISC`` - disable filters set by ``bind(2)`` and ``connect(2)``
By default no broadcast packets can be send or received. To enable sending or
receiving broadcast packets use the socket option SO_BROADCAST:
receiving broadcast packets use the socket option ``SO_BROADCAST``:
.. code-block:: C
@ -261,26 +261,26 @@ The following diagram illustrates the RX path:
+---------------------------+
TX path related options:
SO_J1939_SEND_PRIO - change default send priority for the socket
``SO_J1939_SEND_PRIO`` - change default send priority for the socket
Message Flags during send() and Related System Calls
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
send(2), sendto(2) and sendmsg(2) take a 'flags' argument. Currently
``send(2)``, ``sendto(2)`` and ``sendmsg(2)`` take a 'flags' argument. Currently
supported flags are:
* MSG_DONTWAIT, i.e. non-blocking operation.
* ``MSG_DONTWAIT``, i.e. non-blocking operation.
recvmsg(2)
^^^^^^^^^^
In most cases recvmsg(2) is needed if you want to extract more information than
recvfrom(2) can provide. For example package priority and timestamp. The
In most cases ``recvmsg(2)`` is needed if you want to extract more information than
``recvfrom(2)`` can provide. For example package priority and timestamp. The
Destination Address, name and packet priority (if applicable) are attached to
the msghdr in the recvmsg(2) call. They can be extracted using cmsg(3) macros,
with cmsg_level == SOL_J1939 && cmsg_type == SCM_J1939_DEST_ADDR,
SCM_J1939_DEST_NAME or SCM_J1939_PRIO. The returned data is a uint8_t for
priority and dst_addr, and uint64_t for dst_name.
the msghdr in the ``recvmsg(2)`` call. They can be extracted using ``cmsg(3)`` macros,
with ``cmsg_level == SOL_J1939 && cmsg_type == SCM_J1939_DEST_ADDR``,
``SCM_J1939_DEST_NAME`` or ``SCM_J1939_PRIO``. The returned data is a ``uint8_t`` for
``priority`` and ``dst_addr``, and ``uint64_t`` for ``dst_name``.
.. code-block:: C
@ -305,12 +305,12 @@ Dynamic Addressing
Distinction has to be made between using the claimed address and doing an
address claim. To use an already claimed address, one has to fill in the
j1939.name member and provide it to bind(2). If the name had claimed an address
``j1939.name`` member and provide it to ``bind(2)``. If the name had claimed an address
earlier, all further messages being sent will use that address. And the
j1939.addr member will be ignored.
``j1939.addr`` member will be ignored.
An exception on this is PGN 0x0ee00. This is the "Address Claim/Cannot Claim
Address" message and the kernel will use the j1939.addr member for that PGN if
Address" message and the kernel will use the ``j1939.addr`` member for that PGN if
necessary.
To claim an address following code example can be used:
@ -371,12 +371,12 @@ NAME can send packets.
If another ECU claims the address, the kernel will mark the NAME-SA expired.
No socket bound to the NAME can send packets (other than address claims). To
claim another address, some socket bound to NAME, must bind(2) again, but with
only j1939.addr changed to the new SA, and must then send a valid address claim
claim another address, some socket bound to NAME, must ``bind(2)`` again, but with
only ``j1939.addr`` changed to the new SA, and must then send a valid address claim
packet. This restarts the state machine in the kernel (and any other
participant on the bus) for this NAME.
can-utils also include the jacd tool, so it can be used as code example or as
``can-utils`` also include the ``j1939acd`` tool, so it can be used as code example or as
default Address Claiming daemon.
Send Examples
@ -403,8 +403,8 @@ Bind:
bind(sock, (struct sockaddr *)&baddr, sizeof(baddr));
Now, the socket 'sock' is bound to the SA 0x20. Since no connect(2) was called,
at this point we can use only sendto(2) or sendmsg(2).
Now, the socket 'sock' is bound to the SA 0x20. Since no ``connect(2)`` was called,
at this point we can use only ``sendto(2)`` or ``sendmsg(2)``.
Send:
@ -414,8 +414,8 @@ Send:
.can_family = AF_CAN,
.can_addr.j1939 = {
.name = J1939_NO_NAME;
.pgn = 0x30,
.addr = 0x12300,
.addr = 0x30,
.pgn = 0x12300,
},
};

14
drivers/net/can/dev.c
View File

@ -512,9 +512,13 @@ __can_get_echo_skb(struct net_device *dev, unsigned int idx, u8 *len_ptr)
*/
struct sk_buff *skb = priv->echo_skb[idx];
struct canfd_frame *cf = (struct canfd_frame *)skb->data;
u8 len = cf->len;
*len_ptr = len;
/* get the real payload length for netdev statistics */
if (cf->can_id & CAN_RTR_FLAG)
*len_ptr = 0;
else
*len_ptr = cf->len;
priv->echo_skb[idx] = NULL;
return skb;
@ -538,7 +542,11 @@ unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx)
if (!skb)
return 0;
netif_rx(skb);
skb_get(skb);
if (netif_rx(skb) == NET_RX_SUCCESS)
dev_consume_skb_any(skb);
else
dev_kfree_skb_any(skb);
return len;
}

12
drivers/net/can/flexcan.c
View File

@ -217,7 +217,7 @@
* MX8MP FlexCAN3 03.00.17.01 yes yes no yes yes yes
* VF610 FlexCAN3 ? no yes no yes yes? no
* LS1021A FlexCAN2 03.00.04.00 no yes no no yes no
* LX2160A FlexCAN3 03.00.23.00 no yes no no yes yes
* LX2160A FlexCAN3 03.00.23.00 no yes no yes yes yes
*
* Some SOCs do not have the RX_WARN & TX_WARN interrupt line connected.
*/
@ -400,19 +400,19 @@ static struct flexcan_devtype_data fsl_imx8mp_devtype_data = {
static const struct flexcan_devtype_data fsl_vf610_devtype_data = {
.quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS |
FLEXCAN_QUIRK_DISABLE_MECR | FLEXCAN_QUIRK_USE_OFF_TIMESTAMP |
FLEXCAN_QUIRK_BROKEN_PERR_STATE,
FLEXCAN_QUIRK_BROKEN_PERR_STATE | FLEXCAN_QUIRK_SUPPORT_ECC,
};
static const struct flexcan_devtype_data fsl_ls1021a_r2_devtype_data = {
.quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS |
FLEXCAN_QUIRK_DISABLE_MECR | FLEXCAN_QUIRK_BROKEN_PERR_STATE |
FLEXCAN_QUIRK_USE_OFF_TIMESTAMP,
FLEXCAN_QUIRK_BROKEN_PERR_STATE | FLEXCAN_QUIRK_USE_OFF_TIMESTAMP,
};
static const struct flexcan_devtype_data fsl_lx2160a_r1_devtype_data = {
.quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS |
FLEXCAN_QUIRK_DISABLE_MECR | FLEXCAN_QUIRK_BROKEN_PERR_STATE |
FLEXCAN_QUIRK_USE_OFF_TIMESTAMP | FLEXCAN_QUIRK_SUPPORT_FD,
FLEXCAN_QUIRK_USE_OFF_TIMESTAMP | FLEXCAN_QUIRK_SUPPORT_FD |
FLEXCAN_QUIRK_SUPPORT_ECC,
};
static const struct can_bittiming_const flexcan_bittiming_const = {
@ -2062,6 +2062,8 @@ static int flexcan_remove(struct platform_device *pdev)
{
struct net_device *dev = platform_get_drvdata(pdev);
device_set_wakeup_enable(&pdev->dev, false);
device_set_wakeup_capable(&pdev->dev, false);
unregister_flexcandev(dev);
pm_runtime_disable(&pdev->dev);
free_candev(dev);

11
drivers/net/can/peak_canfd/peak_canfd.c
View File

@ -262,8 +262,7 @@ static int pucan_handle_can_rx(struct peak_canfd_priv *priv,
cf_len = get_can_dlc(pucan_msg_get_dlc(msg));
/* if this frame is an echo, */
if ((rx_msg_flags & PUCAN_MSG_LOOPED_BACK) &&
!(rx_msg_flags & PUCAN_MSG_SELF_RECEIVE)) {
if (rx_msg_flags & PUCAN_MSG_LOOPED_BACK) {
unsigned long flags;
spin_lock_irqsave(&priv->echo_lock, flags);
@ -277,7 +276,13 @@ static int pucan_handle_can_rx(struct peak_canfd_priv *priv,
netif_wake_queue(priv->ndev);
spin_unlock_irqrestore(&priv->echo_lock, flags);
return 0;
/* if this frame is only an echo, stop here. Otherwise,
* continue to push this application self-received frame into
* its own rx queue.
*/
if (!(rx_msg_flags & PUCAN_MSG_SELF_RECEIVE))
return 0;
}
/* otherwise, it should be pushed into rx fifo */

4
drivers/net/can/rx-offload.c
View File

@ -245,7 +245,7 @@ int can_rx_offload_queue_sorted(struct can_rx_offload *offload,
if (skb_queue_len(&offload->skb_queue) >
offload->skb_queue_len_max) {
kfree_skb(skb);
dev_kfree_skb_any(skb);
return -ENOBUFS;
}
@ -290,7 +290,7 @@ int can_rx_offload_queue_tail(struct can_rx_offload *offload,
{
if (skb_queue_len(&offload->skb_queue) >
offload->skb_queue_len_max) {
kfree_skb(skb);
dev_kfree_skb_any(skb);
return -ENOBUFS;
}

22
drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
View File

@ -75,11 +75,11 @@ static const char *__mcp251xfd_get_model_str(enum mcp251xfd_model model)
{
switch (model) {
case MCP251XFD_MODEL_MCP2517FD:
return "MCP2517FD"; break;
return "MCP2517FD";
case MCP251XFD_MODEL_MCP2518FD:
return "MCP2518FD"; break;
return "MCP2518FD";
case MCP251XFD_MODEL_MCP251XFD:
return "MCP251xFD"; break;
return "MCP251xFD";
}
return "<unknown>";
@ -95,21 +95,21 @@ static const char *mcp251xfd_get_mode_str(const u8 mode)
{
switch (mode) {
case MCP251XFD_REG_CON_MODE_MIXED:
return "Mixed (CAN FD/CAN 2.0)"; break;
return "Mixed (CAN FD/CAN 2.0)";
case MCP251XFD_REG_CON_MODE_SLEEP:
return "Sleep"; break;
return "Sleep";
case MCP251XFD_REG_CON_MODE_INT_LOOPBACK:
return "Internal Loopback"; break;
return "Internal Loopback";
case MCP251XFD_REG_CON_MODE_LISTENONLY:
return "Listen Only"; break;
return "Listen Only";
case MCP251XFD_REG_CON_MODE_CONFIG:
return "Configuration"; break;
return "Configuration";
case MCP251XFD_REG_CON_MODE_EXT_LOOPBACK:
return "External Loopback"; break;
return "External Loopback";
case MCP251XFD_REG_CON_MODE_CAN2_0:
return "CAN 2.0"; break;
return "CAN 2.0";
case MCP251XFD_REG_CON_MODE_RESTRICTED:
return "Restricted Operation"; break;
return "Restricted Operation";
}
return "<unknown>";

18
drivers/net/can/spi/mcp251xfd/mcp251xfd-regmap.c
View File

@ -173,7 +173,7 @@ mcp251xfd_regmap_nocrc_read(void *context,
memcpy(&buf_tx->cmd, reg, sizeof(buf_tx->cmd));
if (MCP251XFD_SANITIZE_SPI)
memset(buf_tx->data, 0x0, val_len);
};
}
err = spi_sync(spi, &msg);
if (err)
@ -330,17 +330,17 @@ mcp251xfd_regmap_crc_read(void *context,
goto out;
}
netdev_dbg(priv->ndev,
"CRC read error at address 0x%04x (length=%zd, data=%*ph, CRC=0x%04x) retrying.\n",
reg, val_len, (int)val_len, buf_rx->data,
get_unaligned_be16(buf_rx->data + val_len));
netdev_info(priv->ndev,
"CRC read error at address 0x%04x (length=%zd, data=%*ph, CRC=0x%04x) retrying.\n",
reg, val_len, (int)val_len, buf_rx->data,
get_unaligned_be16(buf_rx->data + val_len));
}
if (err) {
netdev_info(priv->ndev,
"CRC read error at address 0x%04x (length=%zd, data=%*ph, CRC=0x%04x).\n",
reg, val_len, (int)val_len, buf_rx->data,
get_unaligned_be16(buf_rx->data + val_len));
netdev_err(priv->ndev,
"CRC read error at address 0x%04x (length=%zd, data=%*ph, CRC=0x%04x).\n",
reg, val_len, (int)val_len, buf_rx->data,
get_unaligned_be16(buf_rx->data + val_len));
return err;
}

8
drivers/net/can/ti_hecc.c
View File

@ -933,7 +933,7 @@ static int ti_hecc_probe(struct platform_device *pdev)
err = clk_prepare_enable(priv->clk);
if (err) {
dev_err(&pdev->dev, "clk_prepare_enable() failed\n");
goto probe_exit_clk;
goto probe_exit_release_clk;
}
priv->offload.mailbox_read = ti_hecc_mailbox_read;
@ -942,7 +942,7 @@ static int ti_hecc_probe(struct platform_device *pdev)
err = can_rx_offload_add_timestamp(ndev, &priv->offload);
if (err) {
dev_err(&pdev->dev, "can_rx_offload_add_timestamp() failed\n");
goto probe_exit_clk;
goto probe_exit_disable_clk;
}
err = register_candev(ndev);
@ -960,7 +960,9 @@ static int ti_hecc_probe(struct platform_device *pdev)
probe_exit_offload:
can_rx_offload_del(&priv->offload);
probe_exit_clk:
probe_exit_disable_clk:
clk_disable_unprepare(priv->clk);
probe_exit_release_clk:
clk_put(priv->clk);
probe_exit_candev:
free_candev(ndev);

51
drivers/net/can/usb/peak_usb/pcan_usb_core.c
View File

@ -130,14 +130,55 @@ void peak_usb_get_ts_time(struct peak_time_ref *time_ref, u32 ts, ktime_t *time)
/* protect from getting time before setting now */
if (ktime_to_ns(time_ref->tv_host)) {
u64 delta_us;
s64 delta_ts = 0;
delta_us = ts - time_ref->ts_dev_2;
if (ts < time_ref->ts_dev_2)
delta_us &= (1 << time_ref->adapter->ts_used_bits) - 1;
/* General case: dev_ts_1 < dev_ts_2 < ts, with:
*
* - dev_ts_1 = previous sync timestamp
* - dev_ts_2 = last sync timestamp
* - ts = event timestamp
* - ts_period = known sync period (theoretical)
* ~ dev_ts2 - dev_ts1
* *but*:
*
* - time counters wrap (see adapter->ts_used_bits)
* - sometimes, dev_ts_1 < ts < dev_ts2
*
* "normal" case (sync time counters increase):
* must take into account case when ts wraps (tsw)
*
* < ts_period > < >
* | | |
* ---+--------+----+-------0-+--+-->
* ts_dev_1 | ts_dev_2 |
* ts tsw
*/
if (time_ref->ts_dev_1 < time_ref->ts_dev_2) {
/* case when event time (tsw) wraps */
if (ts < time_ref->ts_dev_1)
delta_ts = 1 << time_ref->adapter->ts_used_bits;
delta_us += time_ref->ts_total;
/* Otherwise, sync time counter (ts_dev_2) has wrapped:
* handle case when event time (tsn) hasn't.
*
* < ts_period > < >
* | | |
* ---+--------+--0-+---------+--+-->
* ts_dev_1 | ts_dev_2 |
* tsn ts
*/
} else if (time_ref->ts_dev_1 < ts) {
delta_ts = -(1 << time_ref->adapter->ts_used_bits);
}
delta_us *= time_ref->adapter->us_per_ts_scale;
/* add delay between last sync and event timestamps */
delta_ts += (signed int)(ts - time_ref->ts_dev_2);
/* add time from beginning to last sync */
delta_ts += time_ref->ts_total;
/* convert ticks number into microseconds */
delta_us = delta_ts * time_ref->adapter->us_per_ts_scale;
delta_us >>= time_ref->adapter->us_per_ts_shift;
*time = ktime_add_us(time_ref->tv_host_0, delta_us);

48
drivers/net/can/usb/peak_usb/pcan_usb_fd.c
View File

@ -468,12 +468,18 @@ static int pcan_usb_fd_decode_canmsg(struct pcan_usb_fd_if *usb_if,
struct pucan_msg *rx_msg)
{
struct pucan_rx_msg *rm = (struct pucan_rx_msg *)rx_msg;
struct peak_usb_device *dev = usb_if->dev[pucan_msg_get_channel(rm)];
struct net_device *netdev = dev->netdev;
struct peak_usb_device *dev;
struct net_device *netdev;
struct canfd_frame *cfd;
struct sk_buff *skb;
const u16 rx_msg_flags = le16_to_cpu(rm->flags);
if (pucan_msg_get_channel(rm) >= ARRAY_SIZE(usb_if->dev))
return -ENOMEM;
dev = usb_if->dev[pucan_msg_get_channel(rm)];
netdev = dev->netdev;
if (rx_msg_flags & PUCAN_MSG_EXT_DATA_LEN) {
/* CANFD frame case */
skb = alloc_canfd_skb(netdev, &cfd);
@ -519,15 +525,21 @@ static int pcan_usb_fd_decode_status(struct pcan_usb_fd_if *usb_if,
struct pucan_msg *rx_msg)
{
struct pucan_status_msg *sm = (struct pucan_status_msg *)rx_msg;
struct peak_usb_device *dev = usb_if->dev[pucan_stmsg_get_channel(sm)];
struct pcan_usb_fd_device *pdev =
container_of(dev, struct pcan_usb_fd_device, dev);
struct pcan_usb_fd_device *pdev;
enum can_state new_state = CAN_STATE_ERROR_ACTIVE;
enum can_state rx_state, tx_state;
struct net_device *netdev = dev->netdev;
struct peak_usb_device *dev;
struct net_device *netdev;
struct can_frame *cf;
struct sk_buff *skb;
if (pucan_stmsg_get_channel(sm) >= ARRAY_SIZE(usb_if->dev))
return -ENOMEM;
dev = usb_if->dev[pucan_stmsg_get_channel(sm)];
pdev = container_of(dev, struct pcan_usb_fd_device, dev);
netdev = dev->netdev;
/* nothing should be sent while in BUS_OFF state */
if (dev->can.state == CAN_STATE_BUS_OFF)
return 0;
@ -579,9 +591,14 @@ static int pcan_usb_fd_decode_error(struct pcan_usb_fd_if *usb_if,
struct pucan_msg *rx_msg)
{
struct pucan_error_msg *er = (struct pucan_error_msg *)rx_msg;
struct peak_usb_device *dev = usb_if->dev[pucan_ermsg_get_channel(er)];
struct pcan_usb_fd_device *pdev =
container_of(dev, struct pcan_usb_fd_device, dev);
struct pcan_usb_fd_device *pdev;
struct peak_usb_device *dev;
if (pucan_ermsg_get_channel(er) >= ARRAY_SIZE(usb_if->dev))
return -EINVAL;
dev = usb_if->dev[pucan_ermsg_get_channel(er)];
pdev = container_of(dev, struct pcan_usb_fd_device, dev);
/* keep a trace of tx and rx error counters for later use */
pdev->bec.txerr = er->tx_err_cnt;
@ -595,11 +612,17 @@ static int pcan_usb_fd_decode_overrun(struct pcan_usb_fd_if *usb_if,
struct pucan_msg *rx_msg)
{
struct pcan_ufd_ovr_msg *ov = (struct pcan_ufd_ovr_msg *)rx_msg;
struct peak_usb_device *dev = usb_if->dev[pufd_omsg_get_channel(ov)];
struct net_device *netdev = dev->netdev;
struct peak_usb_device *dev;
struct net_device *netdev;
struct can_frame *cf;
struct sk_buff *skb;
if (pufd_omsg_get_channel(ov) >= ARRAY_SIZE(usb_if->dev))
return -EINVAL;
dev = usb_if->dev[pufd_omsg_get_channel(ov)];
netdev = dev->netdev;
/* allocate an skb to store the error frame */
skb = alloc_can_err_skb(netdev, &cf);
if (!skb)
@ -716,6 +739,9 @@ static int pcan_usb_fd_encode_msg(struct peak_usb_device *dev,
u16 tx_msg_size, tx_msg_flags;
u8 can_dlc;
if (cfd->len > CANFD_MAX_DLEN)
return -EINVAL;
tx_msg_size = ALIGN(sizeof(struct pucan_tx_msg) + cfd->len, 4);
tx_msg->size = cpu_to_le16(tx_msg_size);
tx_msg->type = cpu_to_le16(PUCAN_MSG_CAN_TX);

6
drivers/net/can/xilinx_can.c
View File

@ -1395,7 +1395,7 @@ static int xcan_open(struct net_device *ndev)
if (ret < 0) {
netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
__func__, ret);
return ret;
goto err;
}
ret = request_irq(ndev->irq, xcan_interrupt, priv->irq_flags,
@ -1479,6 +1479,7 @@ static int xcan_get_berr_counter(const struct net_device *ndev,
if (ret < 0) {
netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
__func__, ret);
pm_runtime_put(priv->dev);
return ret;
}
@ -1793,7 +1794,7 @@ static int xcan_probe(struct platform_device *pdev)
if (ret < 0) {
netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
__func__, ret);
goto err_pmdisable;
goto err_disableclks;
}
if (priv->read_reg(priv, XCAN_SR_OFFSET) != XCAN_SR_CONFIG_MASK) {
@ -1828,7 +1829,6 @@ static int xcan_probe(struct platform_device *pdev)
err_disableclks:
pm_runtime_put(priv->dev);
err_pmdisable:
pm_runtime_disable(&pdev->dev);
err_free:
free_candev(ndev);

4
drivers/net/dsa/qca8k.c
View File

@ -1219,8 +1219,8 @@ qca8k_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
priv->port_mtu[port] = new_mtu;
for (i = 0; i < QCA8K_NUM_PORTS; i++)
if (priv->port_mtu[port] > mtu)
mtu = priv->port_mtu[port];
if (priv->port_mtu[i] > mtu)
mtu = priv->port_mtu[i];
/* Include L2 header / FCS length */
qca8k_write(priv, QCA8K_MAX_FRAME_SIZE, mtu + ETH_HLEN + ETH_FCS_LEN);

3
drivers/net/ethernet/cadence/macb_main.c
View File

@ -1929,7 +1929,8 @@ static inline int macb_clear_csum(struct sk_buff *skb)
static int macb_pad_and_fcs(struct sk_buff **skb, struct net_device *ndev)
{
bool cloned = skb_cloned(*skb) || skb_header_cloned(*skb);
bool cloned = skb_cloned(*skb) || skb_header_cloned(*skb) ||
skb_is_nonlinear(*skb);
int padlen = ETH_ZLEN - (*skb)->len;
int headroom = skb_headroom(*skb);
int tailroom = skb_tailroom(*skb);

2
drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
View File

@ -212,7 +212,7 @@ static struct sk_buff *alloc_ctrl_skb(struct sk_buff *skb, int len)
{
if (likely(skb && !skb_shared(skb) && !skb_cloned(skb))) {
__skb_trim(skb, 0);
refcount_add(2, &skb->users);
refcount_inc(&skb->users);
} else {
skb = alloc_skb(len, GFP_KERNEL | __GFP_NOFAIL);
}

3
drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_hw.c
View File

@ -383,6 +383,9 @@ int chtls_setkey(struct chtls_sock *csk, u32 keylen,
if (ret)
goto out_notcb;
if (unlikely(csk_flag(sk, CSK_ABORT_SHUTDOWN)))
goto out_notcb;
set_wr_txq(skb, CPL_PRIORITY_DATA, csk->tlshws.txqid);
csk->wr_credits -= DIV_ROUND_UP(len, 16);
csk->wr_unacked += DIV_ROUND_UP(len, 16);

30
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
View File

@ -174,12 +174,17 @@ MODULE_PARM_DESC(tx_timeout, "The Tx timeout in ms");
#define DPAA_PARSE_RESULTS_SIZE sizeof(struct fman_prs_result)
#define DPAA_TIME_STAMP_SIZE 8
#define DPAA_HASH_RESULTS_SIZE 8
#ifdef CONFIG_DPAA_ERRATUM_A050385
#define DPAA_RX_PRIV_DATA_SIZE (DPAA_A050385_ALIGN - (DPAA_PARSE_RESULTS_SIZE\
+ DPAA_TIME_STAMP_SIZE + DPAA_HASH_RESULTS_SIZE))
#else
#define DPAA_RX_PRIV_DATA_SIZE (u16)(DPAA_TX_PRIV_DATA_SIZE + \
#define DPAA_HWA_SIZE (DPAA_PARSE_RESULTS_SIZE + DPAA_TIME_STAMP_SIZE \
+ DPAA_HASH_RESULTS_SIZE)
#define DPAA_RX_PRIV_DATA_DEFAULT_SIZE (DPAA_TX_PRIV_DATA_SIZE + \
dpaa_rx_extra_headroom)
#ifdef CONFIG_DPAA_ERRATUM_A050385
#define DPAA_RX_PRIV_DATA_A050385_SIZE (DPAA_A050385_ALIGN - DPAA_HWA_SIZE)
#define DPAA_RX_PRIV_DATA_SIZE (fman_has_errata_a050385() ? \
DPAA_RX_PRIV_DATA_A050385_SIZE : \
DPAA_RX_PRIV_DATA_DEFAULT_SIZE)
#else
#define DPAA_RX_PRIV_DATA_SIZE DPAA_RX_PRIV_DATA_DEFAULT_SIZE
#endif
#define DPAA_ETH_PCD_RXQ_NUM 128
@ -2840,7 +2845,8 @@ static int dpaa_ingress_cgr_init(struct dpaa_priv *priv)
return err;
}
static inline u16 dpaa_get_headroom(struct dpaa_buffer_layout *bl)
static u16 dpaa_get_headroom(struct dpaa_buffer_layout *bl,
enum port_type port)
{
u16 headroom;
@ -2854,10 +2860,12 @@ static inline u16 dpaa_get_headroom(struct dpaa_buffer_layout *bl)
*
* Also make sure the headroom is a multiple of data_align bytes
*/
headroom = (u16)(bl->priv_data_size + DPAA_PARSE_RESULTS_SIZE +
DPAA_TIME_STAMP_SIZE + DPAA_HASH_RESULTS_SIZE);
headroom = (u16)(bl[port].priv_data_size + DPAA_HWA_SIZE);
return ALIGN(headroom, DPAA_FD_DATA_ALIGNMENT);
if (port == RX)
return ALIGN(headroom, DPAA_FD_RX_DATA_ALIGNMENT);
else
return ALIGN(headroom, DPAA_FD_DATA_ALIGNMENT);
}
static int dpaa_eth_probe(struct platform_device *pdev)
@ -3025,8 +3033,8 @@ static int dpaa_eth_probe(struct platform_device *pdev)
goto free_dpaa_fqs;
}
priv->tx_headroom = dpaa_get_headroom(&priv->buf_layout[TX]);
priv->rx_headroom = dpaa_get_headroom(&priv->buf_layout[RX]);
priv->tx_headroom = dpaa_get_headroom(priv->buf_layout, TX);
priv->rx_headroom = dpaa_get_headroom(priv->buf_layout, RX);
/* All real interfaces need their ports initialized */
err = dpaa_eth_init_ports(mac_dev, dpaa_bp, &port_fqs,

6
drivers/net/ethernet/freescale/fec.h
View File

@ -456,6 +456,12 @@ struct bufdesc_ex {
*/
#define FEC_QUIRK_HAS_FRREG (1 << 16)
/* Some FEC hardware blocks need the MMFR cleared at setup time to avoid
* the generation of an MII event. This must be avoided in the older
* FEC blocks where it will stop MII events being generated.
*/
#define FEC_QUIRK_CLEAR_SETUP_MII (1 << 17)
struct bufdesc_prop {
int qid;
/* Address of Rx and Tx buffers */

29
drivers/net/ethernet/freescale/fec_main.c
View File

@ -100,14 +100,14 @@ static const struct fec_devinfo fec_imx27_info = {
static const struct fec_devinfo fec_imx28_info = {
.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME |
FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC |
FEC_QUIRK_HAS_FRREG,
FEC_QUIRK_HAS_FRREG | FEC_QUIRK_CLEAR_SETUP_MII,
};
static const struct fec_devinfo fec_imx6q_info = {
.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358 |
FEC_QUIRK_HAS_RACC,
FEC_QUIRK_HAS_RACC | FEC_QUIRK_CLEAR_SETUP_MII,
};
static const struct fec_devinfo fec_mvf600_info = {
@ -119,7 +119,8 @@ static const struct fec_devinfo fec_imx6x_info = {
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB |
FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE |
FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE,
FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE |
FEC_QUIRK_CLEAR_SETUP_MII,
};
static const struct fec_devinfo fec_imx6ul_info = {
@ -127,7 +128,7 @@ static const struct fec_devinfo fec_imx6ul_info = {
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR007885 |
FEC_QUIRK_BUG_CAPTURE | FEC_QUIRK_HAS_RACC |
FEC_QUIRK_HAS_COALESCE,
FEC_QUIRK_HAS_COALESCE | FEC_QUIRK_CLEAR_SETUP_MII,
};
static struct platform_device_id fec_devtype[] = {
@ -2134,15 +2135,17 @@ static int fec_enet_mii_init(struct platform_device *pdev)
if (suppress_preamble)
fep->phy_speed |= BIT(7);
/* Clear MMFR to avoid to generate MII event by writing MSCR.
* MII event generation condition:
* - writing MSCR:
* - mmfr[31:0]_not_zero & mscr[7:0]_is_zero &
* mscr_reg_data_in[7:0] != 0
* - writing MMFR:
* - mscr[7:0]_not_zero
*/
writel(0, fep->hwp + FEC_MII_DATA);
if (fep->quirks & FEC_QUIRK_CLEAR_SETUP_MII) {
/* Clear MMFR to avoid to generate MII event by writing MSCR.
* MII event generation condition:
* - writing MSCR:
* - mmfr[31:0]_not_zero & mscr[7:0]_is_zero &
* mscr_reg_data_in[7:0] != 0
* - writing MMFR:
* - mscr[7:0]_not_zero
*/
writel(0, fep->hwp + FEC_MII_DATA);
}
writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);

14
drivers/net/ethernet/freescale/gianfar.c
View File

@ -1829,20 +1829,12 @@ static netdev_tx_t gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
fcb_len = GMAC_FCB_LEN + GMAC_TXPAL_LEN;
/* make space for additional header when fcb is needed */
if (fcb_len && unlikely(skb_headroom(skb) < fcb_len)) {
struct sk_buff *skb_new;
skb_new = skb_realloc_headroom(skb, fcb_len);
if (!skb_new) {
if (fcb_len) {
if (unlikely(skb_cow_head(skb, fcb_len))) {
dev->stats.tx_errors++;
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
if (skb->sk)
skb_set_owner_w(skb_new, skb->sk);
dev_consume_skb_any(skb);
skb = skb_new;
}
/* total number of fragments in the SKB */
@ -3380,7 +3372,7 @@ static int gfar_probe(struct platform_device *ofdev)
if (dev->features & NETIF_F_IP_CSUM ||
priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)
dev->needed_headroom = GMAC_FCB_LEN;
dev->needed_headroom = GMAC_FCB_LEN + GMAC_TXPAL_LEN;
/* Initializing some of the rx/tx queue level parameters */
for (i = 0; i < priv->num_tx_queues; i++) {

36
drivers/net/ethernet/ibm/ibmvnic.c
View File

@ -1185,18 +1185,27 @@ static int ibmvnic_open(struct net_device *netdev)
if (adapter->state != VNIC_CLOSED) {
rc = ibmvnic_login(netdev);
if (rc)
return rc;
goto out;
rc = init_resources(adapter);
if (rc) {
netdev_err(netdev, "failed to initialize resources\n");
release_resources(adapter);
return rc;
goto out;
}
}
rc = __ibmvnic_open(netdev);
out:
/*
* If open fails due to a pending failover, set device state and
* return. Device operation will be handled by reset routine.
*/
if (rc && adapter->failover_pending) {
adapter->state = VNIC_OPEN;
rc = 0;
}
return rc;
}
@ -1922,6 +1931,13 @@ static int do_reset(struct ibmvnic_adapter *adapter,
rwi->reset_reason);
rtnl_lock();
/*
* Now that we have the rtnl lock, clear any pending failover.
* This will ensure ibmvnic_open() has either completed or will
* block until failover is complete.
*/
if (rwi->reset_reason == VNIC_RESET_FAILOVER)
adapter->failover_pending = false;
netif_carrier_off(netdev);
adapter->reset_reason = rwi->reset_reason;
@ -2202,6 +2218,13 @@ static void __ibmvnic_reset(struct work_struct *work)
/* CHANGE_PARAM requestor holds rtnl_lock */
rc = do_change_param_reset(adapter, rwi, reset_state);
} else if (adapter->force_reset_recovery) {
/*
* Since we are doing a hard reset now, clear the
* failover_pending flag so we don't ignore any
* future MOBILITY or other resets.
*/
adapter->failover_pending = false;
/* Transport event occurred during previous reset */
if (adapter->wait_for_reset) {
/* Previous was CHANGE_PARAM; caller locked */
@ -2266,9 +2289,15 @@ static int ibmvnic_reset(struct ibmvnic_adapter *adapter,
unsigned long flags;
int ret;
/*
* If failover is pending don't schedule any other reset.
* Instead let the failover complete. If there is already a
* a failover reset scheduled, we will detect and drop the
* duplicate reset when walking the ->rwi_list below.
*/
if (adapter->state == VNIC_REMOVING ||
adapter->state == VNIC_REMOVED ||
adapter->failover_pending) {
(adapter->failover_pending && reason != VNIC_RESET_FAILOVER)) {
ret = EBUSY;
netdev_dbg(netdev, "Adapter removing or pending failover, skipping reset\n");
goto err;
@ -4713,7 +4742,6 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq,
case IBMVNIC_CRQ_INIT:
dev_info(dev, "Partner initialized\n");
adapter->from_passive_init = true;
adapter->failover_pending = false;
if (!completion_done(&adapter->init_done)) {
complete(&adapter->init_done);
adapter->init_done_rc = -EIO;

5
drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
View File

@ -126,6 +126,11 @@ static int ionic_get_link_ksettings(struct net_device *netdev,
ethtool_link_ksettings_zero_link_mode(ks, supported);
if (!idev->port_info) {
netdev_err(netdev, "port_info not initialized\n");
return -EOPNOTSUPP;
}
/* The port_info data is found in a DMA space that the NIC keeps
* up-to-date, so there's no need to request the data from the
* NIC, we already have it in our memory space.

14
drivers/net/ethernet/realtek/r8169_main.c
View File

@ -4080,9 +4080,17 @@ static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
return -EIO;
}
static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp)
{
return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_34:
case RTL_GIGA_MAC_VER_60:
case RTL_GIGA_MAC_VER_61:
case RTL_GIGA_MAC_VER_63:
return true;
default:
return false;
}
}
static void rtl8169_tso_csum_v1(struct sk_buff *skb, u32 *opts)
@ -4154,7 +4162,7 @@ static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp,
opts[1] |= transport_offset << TCPHO_SHIFT;
} else {
if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
if (unlikely(skb->len < ETH_ZLEN && rtl_test_hw_pad_bug(tp)))
return !eth_skb_pad(skb);
}

14
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
View File

@ -625,13 +625,6 @@ static int intel_eth_pci_probe(struct pci_dev *pdev,
if (ret)
return ret;
if (plat->eee_usecs_rate > 0) {
u32 tx_lpi_usec;
tx_lpi_usec = (plat->eee_usecs_rate / 1000000) - 1;
writel(tx_lpi_usec, res.addr + GMAC_1US_TIC_COUNTER);
}
ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
if (ret < 0)
return ret;
@ -641,6 +634,13 @@ static int intel_eth_pci_probe(struct pci_dev *pdev,
res.wol_irq = pci_irq_vector(pdev, 0);
res.irq = pci_irq_vector(pdev, 0);
if (plat->eee_usecs_rate > 0) {
u32 tx_lpi_usec;
tx_lpi_usec = (plat->eee_usecs_rate / 1000000) - 1;
writel(tx_lpi_usec, res.addr + GMAC_1US_TIC_COUNTER);
}
ret = stmmac_dvr_probe(&pdev->dev, plat, &res);
if (ret) {
pci_free_irq_vectors(pdev);

1
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -4757,6 +4757,7 @@ static void stmmac_napi_add(struct net_device *dev)
ch->priv_data = priv;
ch->index = queue;
spin_lock_init(&ch->lock);
if (queue < priv->plat->rx_queues_to_use) {
netif_napi_add(dev, &ch->rx_napi, stmmac_napi_poll_rx,

1
drivers/net/ethernet/ti/cpsw_ethtool.c
View File

@ -728,7 +728,6 @@ int cpsw_get_ts_info(struct net_device *ndev, struct ethtool_ts_info *info)
(1 << HWTSTAMP_TX_ON);
info->rx_filters =
(1 << HWTSTAMP_FILTER_NONE) |
(1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
(1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
return 0;
}

5
drivers/net/ethernet/ti/cpsw_priv.c
View File

@ -639,13 +639,10 @@ static int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
break;
case HWTSTAMP_FILTER_ALL:
case HWTSTAMP_FILTER_NTP_ALL:
return -ERANGE;
case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
priv->rx_ts_enabled = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
break;
return -ERANGE;
case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:

3
drivers/net/phy/sfp.c
View File

@ -2389,7 +2389,8 @@ static int sfp_probe(struct platform_device *pdev)
continue;
sfp->gpio_irq[i] = gpiod_to_irq(sfp->gpio[i]);
if (!sfp->gpio_irq[i]) {
if (sfp->gpio_irq[i] < 0) {
sfp->gpio_irq[i] = 0;
sfp->need_poll = true;
continue;
}

1
drivers/net/usb/qmi_wwan.c
View File

@ -1309,6 +1309,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */
{QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1230, 2)}, /* Telit LE910Cx */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */

20
include/linux/can/skb.h
View File

@ -61,21 +61,17 @@ static inline void can_skb_set_owner(struct sk_buff *skb, struct sock *sk)
*/
static inline struct sk_buff *can_create_echo_skb(struct sk_buff *skb)
{
if (skb_shared(skb)) {
struct sk_buff *nskb = skb_clone(skb, GFP_ATOMIC);
struct sk_buff *nskb;
if (likely(nskb)) {
can_skb_set_owner(nskb, skb->sk);
consume_skb(skb);
return nskb;
} else {
kfree_skb(skb);
return NULL;
}
nskb = skb_clone(skb, GFP_ATOMIC);
if (unlikely(!nskb)) {
kfree_skb(skb);
return NULL;
}
/* we can assume to have an unshared skb with proper owner */
return skb;
can_skb_set_owner(nskb, skb->sk);
consume_skb(skb);
return nskb;
}
#endif /* !_CAN_SKB_H */

9
include/linux/netfilter/nfnetlink.h
View File

@ -24,6 +24,12 @@ struct nfnl_callback {
const u_int16_t attr_count; /* number of nlattr's */
};
enum nfnl_abort_action {
NFNL_ABORT_NONE = 0,
NFNL_ABORT_AUTOLOAD,
NFNL_ABORT_VALIDATE,
};
struct nfnetlink_subsystem {
const char *name;
__u8 subsys_id; /* nfnetlink subsystem ID */
@ -31,7 +37,8 @@ struct nfnetlink_subsystem {
const struct nfnl_callback *cb; /* callback for individual types */
struct module *owner;
int (*commit)(struct net *net, struct sk_buff *skb);
int (*abort)(struct net *net, struct sk_buff *skb, bool autoload);
int (*abort)(struct net *net, struct sk_buff *skb,
enum nfnl_abort_action action);
void (*cleanup)(struct net *net);
bool (*valid_genid)(struct net *net, u32 genid);
};

2
include/linux/netfilter_ipv4.h
View File

@ -16,7 +16,7 @@ struct ip_rt_info {
u_int32_t mark;
};
int ip_route_me_harder(struct net *net, struct sk_buff *skb, unsigned addr_type);
int ip_route_me_harder(struct net *net, struct sock *sk, struct sk_buff *skb, unsigned addr_type);
struct nf_queue_entry;

10
include/linux/netfilter_ipv6.h
View File

@ -42,7 +42,7 @@ struct nf_ipv6_ops {
#if IS_MODULE(CONFIG_IPV6)
int (*chk_addr)(struct net *net, const struct in6_addr *addr,
const struct net_device *dev, int strict);
int (*route_me_harder)(struct net *net, struct sk_buff *skb);
int (*route_me_harder)(struct net *net, struct sock *sk, struct sk_buff *skb);
int (*dev_get_saddr)(struct net *net, const struct net_device *dev,
const struct in6_addr *daddr, unsigned int srcprefs,
struct in6_addr *saddr);
@ -143,9 +143,9 @@ static inline int nf_br_ip6_fragment(struct net *net, struct sock *sk,
#endif
}
int ip6_route_me_harder(struct net *net, struct sk_buff *skb);
int ip6_route_me_harder(struct net *net, struct sock *sk, struct sk_buff *skb);
static inline int nf_ip6_route_me_harder(struct net *net, struct sk_buff *skb)
static inline int nf_ip6_route_me_harder(struct net *net, struct sock *sk, struct sk_buff *skb)
{
#if IS_MODULE(CONFIG_IPV6)
const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops();
@ -153,9 +153,9 @@ static inline int nf_ip6_route_me_harder(struct net *net, struct sk_buff *skb)
if (!v6_ops)
return -EHOSTUNREACH;
return v6_ops->route_me_harder(net, skb);
return v6_ops->route_me_harder(net, sk, skb);
#elif IS_BUILTIN(CONFIG_IPV6)
return ip6_route_me_harder(net, skb);
return ip6_route_me_harder(net, sk, skb);
#else
return -EHOSTUNREACH;
#endif

9
include/net/cfg80211.h
View File

@ -1444,7 +1444,7 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
enum cfg80211_station_type statype);
/**
* enum station_info_rate_flags - bitrate info flags
* enum rate_info_flags - bitrate info flags
*
* Used by the driver to indicate the specific rate transmission
* type for 802.11n transmissions.
@ -1517,7 +1517,7 @@ struct rate_info {
};
/**
* enum station_info_rate_flags - bitrate info flags
* enum bss_param_flags - bitrate info flags
*
* Used by the driver to indicate the specific rate transmission
* type for 802.11n transmissions.
@ -6467,7 +6467,8 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
struct ieee80211_channel *channel, gfp_t gfp);
/**
* cfg80211_notify_new_candidate - notify cfg80211 of a new mesh peer candidate
* cfg80211_notify_new_peer_candidate - notify cfg80211 of a new mesh peer
* candidate
*
* @dev: network device
* @macaddr: the MAC address of the new candidate
@ -7606,7 +7607,7 @@ u32 cfg80211_calculate_bitrate(struct rate_info *rate);
void cfg80211_unregister_wdev(struct wireless_dev *wdev);
/**
* struct cfg80211_ft_event - FT Information Elements
* struct cfg80211_ft_event_params - FT Information Elements
* @ies: FT IEs
* @ies_len: length of the FT IE in bytes
* @target_ap: target AP's MAC address

7
include/net/mac80211.h
View File

@ -3311,7 +3311,7 @@ enum ieee80211_roc_type {
};
/**
* enum ieee80211_reconfig_complete_type - reconfig type
* enum ieee80211_reconfig_type - reconfig type
*
* This enum is used by the reconfig_complete() callback to indicate what
* reconfiguration type was completed.
@ -6334,7 +6334,8 @@ bool ieee80211_tx_prepare_skb(struct ieee80211_hw *hw,
int band, struct ieee80211_sta **sta);
/**
* Sanity-check and parse the radiotap header of injected frames
* ieee80211_parse_tx_radiotap - Sanity-check and parse the radiotap header
* of injected frames
* @skb: packet injected by userspace
* @dev: the &struct device of this 802.11 device
*/
@ -6389,7 +6390,7 @@ int ieee80211_parse_p2p_noa(const struct ieee80211_p2p_noa_attr *attr,
void ieee80211_update_p2p_noa(struct ieee80211_noa_data *data, u32 tsf);
/**
* ieee80211_tdls_oper - request userspace to perform a TDLS operation
* ieee80211_tdls_oper_request - request userspace to perform a TDLS operation
* @vif: virtual interface
* @peer: the peer's destination address
* @oper: the requested TDLS operation

1
include/uapi/linux/icmpv6.h
View File

@ -138,6 +138,7 @@ struct icmp6hdr {
#define ICMPV6_HDR_FIELD 0
#define ICMPV6_UNK_NEXTHDR 1
#define ICMPV6_UNK_OPTION 2
#define ICMPV6_HDR_INCOMP 3
/*
* constants for (set|get)sockopt

5
net/atm/lec.c
View File

@ -954,9 +954,8 @@ static void *lec_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct lec_state *state = seq->private;
v = lec_get_idx(state, 1);
*pos += !!PTR_ERR(v);
return v;
++*pos;
return lec_get_idx(state, 1);
}
static int lec_seq_show(struct seq_file *seq, void *v)

5
net/can/Kconfig
View File

@ -62,8 +62,9 @@ config CAN_ISOTP
communication between CAN nodes via two defined CAN Identifiers.
As CAN frames can only transport a small amount of data bytes
(max. 8 bytes for 'classic' CAN and max. 64 bytes for CAN FD) this
segmentation is needed to transport longer PDUs as needed e.g. for
vehicle diagnosis (UDS, ISO 14229) or IP-over-CAN traffic.
segmentation is needed to transport longer Protocol Data Units (PDU)
as needed e.g. for vehicle diagnosis (UDS, ISO 14229) or IP-over-CAN
traffic.
This protocol driver implements data transfers according to
ISO 15765-2:2016 for 'classic' CAN and CAN FD frame types.
If you want to perform automotive vehicle diagnostic services (UDS),

26
net/can/isotp.c
View File

@ -252,14 +252,16 @@ static void isotp_rcv_skb(struct sk_buff *skb, struct sock *sk)
static u8 padlen(u8 datalen)
{
const u8 plen[] = {8, 8, 8, 8, 8, 8, 8, 8, 8, /* 0 - 8 */
12, 12, 12, 12, /* 9 - 12 */
16, 16, 16, 16, /* 13 - 16 */
20, 20, 20, 20, /* 17 - 20 */
24, 24, 24, 24, /* 21 - 24 */
32, 32, 32, 32, 32, 32, 32, 32, /* 25 - 32 */
48, 48, 48, 48, 48, 48, 48, 48, /* 33 - 40 */
48, 48, 48, 48, 48, 48, 48, 48}; /* 41 - 48 */
static const u8 plen[] = {
8, 8, 8, 8, 8, 8, 8, 8, 8, /* 0 - 8 */
12, 12, 12, 12, /* 9 - 12 */
16, 16, 16, 16, /* 13 - 16 */
20, 20, 20, 20, /* 17 - 20 */
24, 24, 24, 24, /* 21 - 24 */
32, 32, 32, 32, 32, 32, 32, 32, /* 25 - 32 */
48, 48, 48, 48, 48, 48, 48, 48, /* 33 - 40 */
48, 48, 48, 48, 48, 48, 48, 48 /* 41 - 48 */
};
if (datalen > 48)
return 64;
@ -569,10 +571,6 @@ static int isotp_rcv_cf(struct sock *sk, struct canfd_frame *cf, int ae,
return 0;
}
/* no creation of flow control frames */
if (so->opt.flags & CAN_ISOTP_LISTEN_MODE)
return 0;
/* perform blocksize handling, if enabled */
if (!so->rxfc.bs || ++so->rx.bs < so->rxfc.bs) {
/* start rx timeout watchdog */
@ -581,6 +579,10 @@ static int isotp_rcv_cf(struct sock *sk, struct canfd_frame *cf, int ae,
return 0;
}
/* no creation of flow control frames */
if (so->opt.flags & CAN_ISOTP_LISTEN_MODE)
return 0;
/* we reached the specified blocksize so->rxfc.bs */
isotp_send_fc(sk, ae, ISOTP_FC_CTS);
return 0;

6
net/can/j1939/socket.c
View File

@ -475,6 +475,12 @@ static int j1939_sk_bind(struct socket *sock, struct sockaddr *uaddr, int len)
goto out_release_sock;
}
if (!(ndev->flags & IFF_UP)) {
dev_put(ndev);
ret = -ENETDOWN;
goto out_release_sock;
}
priv = j1939_netdev_start(ndev);
dev_put(ndev);
if (IS_ERR(priv)) {

6
net/can/proc.c
View File

@ -462,6 +462,9 @@ void can_init_proc(struct net *net)
*/
void can_remove_proc(struct net *net)
{
if (!net->can.proc_dir)
return;
if (net->can.pde_stats)
remove_proc_entry(CAN_PROC_STATS, net->can.proc_dir);
@ -486,6 +489,5 @@ void can_remove_proc(struct net *net)
if (net->can.pde_rcvlist_sff)
remove_proc_entry(CAN_PROC_RCVLIST_SFF, net->can.proc_dir);
if (net->can.proc_dir)
remove_proc_entry("can", net->proc_net);
remove_proc_entry("can", net->proc_net);
}

3
net/ipv4/ip_tunnel.c
View File

@ -608,9 +608,6 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
ttl = ip4_dst_hoplimit(&rt->dst);
}
if (!df && skb->protocol == htons(ETH_P_IP))
df = inner_iph->frag_off & htons(IP_DF);
headroom += LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len;
if (headroom > dev->needed_headroom)
dev->needed_headroom = headroom;

8
net/ipv4/netfilter.c
View File

@ -17,17 +17,19 @@
#include <net/netfilter/nf_queue.h>
/* route_me_harder function, used by iptable_nat, iptable_mangle + ip_queue */
int ip_route_me_harder(struct net *net, struct sk_buff *skb, unsigned int addr_type)
int ip_route_me_harder(struct net *net, struct sock *sk, struct sk_buff *skb, unsigned int addr_type)
{
const struct iphdr *iph = ip_hdr(skb);
struct rtable *rt;
struct flowi4 fl4 = {};
__be32 saddr = iph->saddr;
const struct sock *sk = skb_to_full_sk(skb);
__u8 flags = sk ? inet_sk_flowi_flags(sk) : 0;
__u8 flags;
struct net_device *dev = skb_dst(skb)->dev;
unsigned int hh_len;
sk = sk_to_full_sk(sk);
flags = sk ? inet_sk_flowi_flags(sk) : 0;
if (addr_type == RTN_UNSPEC)
addr_type = inet_addr_type_dev_table(net, dev, saddr);
if (addr_type == RTN_LOCAL || addr_type == RTN_UNICAST)

2
net/ipv4/netfilter/iptable_mangle.c
View File

@ -62,7 +62,7 @@ ipt_mangle_out(struct sk_buff *skb, const struct nf_hook_state *state)
iph->daddr != daddr ||
skb->mark != mark ||
iph->tos != tos) {
err = ip_route_me_harder(state->net, skb, RTN_UNSPEC);
err = ip_route_me_harder(state->net, state->sk, skb, RTN_UNSPEC);
if (err < 0)
ret = NF_DROP_ERR(err);
}

2
net/ipv4/netfilter/nf_reject_ipv4.c
View File

@ -145,7 +145,7 @@ void nf_send_reset(struct net *net, struct sk_buff *oldskb, int hook)
ip4_dst_hoplimit(skb_dst(nskb)));
nf_reject_ip_tcphdr_put(nskb, oldskb, oth);
if (ip_route_me_harder(net, nskb, RTN_UNSPEC))
if (ip_route_me_harder(net, nskb->sk, nskb, RTN_UNSPEC))
goto free_nskb;
niph = ip_hdr(nskb);

4
net/ipv4/xfrm4_tunnel.c
View File

@ -64,14 +64,14 @@ static int xfrm_tunnel_err(struct sk_buff *skb, u32 info)
static struct xfrm_tunnel xfrm_tunnel_handler __read_mostly = {
.handler = xfrm_tunnel_rcv,
.err_handler = xfrm_tunnel_err,
.priority = 3,
.priority = 4,
};
#if IS_ENABLED(CONFIG_IPV6)
static struct xfrm_tunnel xfrm64_tunnel_handler __read_mostly = {
.handler = xfrm_tunnel_rcv,
.err_handler = xfrm_tunnel_err,
.priority = 2,
.priority = 3,
};
#endif

8
net/ipv6/icmp.c
View File

@ -158,7 +158,13 @@ static bool is_ineligible(const struct sk_buff *skb)
tp = skb_header_pointer(skb,
ptr+offsetof(struct icmp6hdr, icmp6_type),
sizeof(_type), &_type);
if (!tp || !(*tp & ICMPV6_INFOMSG_MASK))
/* Based on RFC 8200, Section 4.5 Fragment Header, return
* false if this is a fragment packet with no icmp header info.
*/
if (!tp && frag_off != 0)
return false;
else if (!tp || !(*tp & ICMPV6_INFOMSG_MASK))
return true;
}
return false;

4
net/ipv6/ip6_tunnel.c
View File

@ -1271,6 +1271,8 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
if (max_headroom > dev->needed_headroom)
dev->needed_headroom = max_headroom;
skb_set_inner_ipproto(skb, proto);
err = ip6_tnl_encap(skb, t, &proto, fl6);
if (err)
return err;
@ -1280,8 +1282,6 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
ipv6_push_frag_opts(skb, &opt.ops, &proto);
}
skb_set_inner_ipproto(skb, proto);
skb_push(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
ipv6h = ipv6_hdr(skb);

6
net/ipv6/netfilter.c
View File

@ -20,10 +20,10 @@
#include <net/netfilter/ipv6/nf_defrag_ipv6.h>
#include "../bridge/br_private.h"
int ip6_route_me_harder(struct net *net, struct sk_buff *skb)
int ip6_route_me_harder(struct net *net, struct sock *sk_partial, struct sk_buff *skb)
{
const struct ipv6hdr *iph = ipv6_hdr(skb);
struct sock *sk = sk_to_full_sk(skb->sk);
struct sock *sk = sk_to_full_sk(sk_partial);
unsigned int hh_len;
struct dst_entry *dst;
int strict = (ipv6_addr_type(&iph->daddr) &
@ -84,7 +84,7 @@ static int nf_ip6_reroute(struct sk_buff *skb,
if (!ipv6_addr_equal(&iph->daddr, &rt_info->daddr) ||
!ipv6_addr_equal(&iph->saddr, &rt_info->saddr) ||
skb->mark != rt_info->mark)
return ip6_route_me_harder(entry->state.net, skb);
return ip6_route_me_harder(entry->state.net, entry->state.sk, skb);
}
return 0;
}

2
net/ipv6/netfilter/ip6table_mangle.c
View File

@ -57,7 +57,7 @@ ip6t_mangle_out(struct sk_buff *skb, const struct nf_hook_state *state)
skb->mark != mark ||
ipv6_hdr(skb)->hop_limit != hop_limit ||
flowlabel != *((u_int32_t *)ipv6_hdr(skb)))) {
err = ip6_route_me_harder(state->net, skb);
err = ip6_route_me_harder(state->net, state->sk, skb);
if (err < 0)
ret = NF_DROP_ERR(err);
}

33
net/ipv6/reassembly.c
View File

@ -42,6 +42,8 @@
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/export.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#include <net/sock.h>
#include <net/snmp.h>
@ -322,7 +324,9 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
struct frag_queue *fq;
const struct ipv6hdr *hdr = ipv6_hdr(skb);
struct net *net = dev_net(skb_dst(skb)->dev);
int iif;
__be16 frag_off;
int iif, offset;
u8 nexthdr;
if (IP6CB(skb)->flags & IP6SKB_FRAGMENTED)
goto fail_hdr;
@ -351,6 +355,33 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
return 1;
}
/* RFC 8200, Section 4.5 Fragment Header:
* If the first fragment does not include all headers through an
* Upper-Layer header, then that fragment should be discarded and
* an ICMP Parameter Problem, Code 3, message should be sent to
* the source of the fragment, with the Pointer field set to zero.
*/
nexthdr = hdr->nexthdr;
offset = ipv6_skip_exthdr(skb, skb_transport_offset(skb), &nexthdr, &frag_off);
if (offset >= 0) {
/* Check some common protocols' header */
if (nexthdr == IPPROTO_TCP)
offset += sizeof(struct tcphdr);
else if (nexthdr == IPPROTO_UDP)
offset += sizeof(struct udphdr);
else if (nexthdr == IPPROTO_ICMPV6)
offset += sizeof(struct icmp6hdr);
else
offset += 1;
if (!(frag_off & htons(IP6_OFFSET)) && offset > skb->len) {
__IP6_INC_STATS(net, __in6_dev_get_safely(skb->dev),
IPSTATS_MIB_INHDRERRORS);
icmpv6_param_prob(skb, ICMPV6_HDR_INCOMP, 0);
return -1;
}
}
iif = skb->dev ? skb->dev->ifindex : 0;
fq = fq_find(net, fhdr->identification, hdr, iif);
if (fq) {

4
net/ipv6/xfrm6_tunnel.c
View File

@ -303,13 +303,13 @@ static const struct xfrm_type xfrm6_tunnel_type = {
static struct xfrm6_tunnel xfrm6_tunnel_handler __read_mostly = {
.handler = xfrm6_tunnel_rcv,
.err_handler = xfrm6_tunnel_err,
.priority = 2,
.priority = 3,
};
static struct xfrm6_tunnel xfrm46_tunnel_handler __read_mostly = {
.handler = xfrm6_tunnel_rcv,
.err_handler = xfrm6_tunnel_err,
.priority = 2,
.priority = 3,
};
static int __net_init xfrm6_tunnel_net_init(struct net *net)

3
net/mac80211/mlme.c
View File

@ -5464,6 +5464,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
struct cfg80211_assoc_request *req)
{
bool is_6ghz = req->bss->channel->band == NL80211_BAND_6GHZ;
bool is_5ghz = req->bss->channel->band == NL80211_BAND_5GHZ;
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_bss *bss = (void *)req->bss->priv;
@ -5616,7 +5617,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
if (vht_ie && vht_ie[1] >= sizeof(struct ieee80211_vht_cap))
memcpy(&assoc_data->ap_vht_cap, vht_ie + 2,
sizeof(struct ieee80211_vht_cap));
else if (!is_6ghz)
else if (is_5ghz)
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT |
IEEE80211_STA_DISABLE_HE;
rcu_read_unlock();

18
net/mac80211/sta_info.c
View File

@ -258,6 +258,24 @@ struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata,
*/
void sta_info_free(struct ieee80211_local *local, struct sta_info *sta)
{
/*
* If we had used sta_info_pre_move_state() then we might not
* have gone through the state transitions down again, so do
* it here now (and warn if it's inserted).
*
* This will clear state such as fast TX/RX that may have been
* allocated during state transitions.
*/
while (sta->sta_state > IEEE80211_STA_NONE) {
int ret;
WARN_ON_ONCE(test_sta_flag(sta, WLAN_STA_INSERTED));
ret = sta_info_move_state(sta, sta->sta_state - 1);
if (WARN_ONCE(ret, "sta_info_move_state() returned %d\n", ret))
break;
}
if (sta->rate_ctrl)
rate_control_free_sta(sta);

9
net/mac80211/sta_info.h
View File

@ -785,7 +785,7 @@ int sta_info_init(struct ieee80211_local *local);
void sta_info_stop(struct ieee80211_local *local);
/**
* sta_info_flush - flush matching STA entries from the STA table
* __sta_info_flush - flush matching STA entries from the STA table
*
* Returns the number of removed STA entries.
*
@ -794,6 +794,13 @@ void sta_info_stop(struct ieee80211_local *local);
*/
int __sta_info_flush(struct ieee80211_sub_if_data *sdata, bool vlans);
/**
* sta_info_flush - flush matching STA entries from the STA table
*
* Returns the number of removed STA entries.
*
* @sdata: sdata to remove all stations from
*/
static inline int sta_info_flush(struct ieee80211_sub_if_data *sdata)
{
return __sta_info_flush(sdata, false);

44
net/mac80211/tx.c
View File

@ -1942,19 +1942,24 @@ static bool ieee80211_tx(struct ieee80211_sub_if_data *sdata,
/* device xmit handlers */
enum ieee80211_encrypt {
ENCRYPT_NO,
ENCRYPT_MGMT,
ENCRYPT_DATA,
};
static int ieee80211_skb_resize(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
int head_need, bool may_encrypt)
int head_need,
enum ieee80211_encrypt encrypt)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_hdr *hdr;
bool enc_tailroom;
int tail_need = 0;
hdr = (struct ieee80211_hdr *) skb->data;
enc_tailroom = may_encrypt &&
(sdata->crypto_tx_tailroom_needed_cnt ||
ieee80211_is_mgmt(hdr->frame_control));
enc_tailroom = encrypt == ENCRYPT_MGMT ||
(encrypt == ENCRYPT_DATA &&
sdata->crypto_tx_tailroom_needed_cnt);
if (enc_tailroom) {
tail_need = IEEE80211_ENCRYPT_TAILROOM;
@ -1985,23 +1990,29 @@ void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
int headroom;
bool may_encrypt;
enum ieee80211_encrypt encrypt;
may_encrypt = !(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT);
if (info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)
encrypt = ENCRYPT_NO;
else if (ieee80211_is_mgmt(hdr->frame_control))
encrypt = ENCRYPT_MGMT;
else
encrypt = ENCRYPT_DATA;
headroom = local->tx_headroom;
if (may_encrypt)
if (encrypt != ENCRYPT_NO)
headroom += sdata->encrypt_headroom;
headroom -= skb_headroom(skb);
headroom = max_t(int, 0, headroom);
if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) {
if (ieee80211_skb_resize(sdata, skb, headroom, encrypt)) {
ieee80211_free_txskb(&local->hw, skb);
return;
}
/* reload after potential resize */
hdr = (struct ieee80211_hdr *) skb->data;
info->control.vif = &sdata->vif;
@ -2828,7 +2839,7 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata,
head_need += sdata->encrypt_headroom;
head_need += local->tx_headroom;
head_need = max_t(int, 0, head_need);
if (ieee80211_skb_resize(sdata, skb, head_need, true)) {
if (ieee80211_skb_resize(sdata, skb, head_need, ENCRYPT_DATA)) {
ieee80211_free_txskb(&local->hw, skb);
skb = NULL;
return ERR_PTR(-ENOMEM);
@ -3502,7 +3513,7 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata,
if (unlikely(ieee80211_skb_resize(sdata, skb,
max_t(int, extra_head + hw_headroom -
skb_headroom(skb), 0),
false))) {
ENCRYPT_NO))) {
kfree_skb(skb);
return true;
}
@ -3619,13 +3630,14 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
tx.skb = skb;
tx.sdata = vif_to_sdata(info->control.vif);
if (txq->sta && !(info->flags & IEEE80211_TX_CTL_INJECTED)) {
if (txq->sta) {
tx.sta = container_of(txq->sta, struct sta_info, sta);
/*
* Drop unicast frames to unauthorised stations unless they are
* EAPOL frames from the local station.
* injected frames or EAPOL frames from the local station.
*/
if (unlikely(ieee80211_is_data(hdr->frame_control) &&
if (unlikely(!(info->flags & IEEE80211_TX_CTL_INJECTED) &&
ieee80211_is_data(hdr->frame_control) &&
!ieee80211_vif_is_mesh(&tx.sdata->vif) &&
tx.sdata->vif.type != NL80211_IFTYPE_OCB &&
!is_multicast_ether_addr(hdr->addr1) &&

2
net/mptcp/token.c
View File

@ -291,7 +291,7 @@ struct mptcp_sock *mptcp_token_iter_next(const struct net *net, long *s_slot,
{
struct mptcp_sock *ret = NULL;
struct hlist_nulls_node *pos;
int slot, num;
int slot, num = 0;
for (slot = *s_slot; slot <= token_mask; *s_num = 0, slot++) {
struct token_bucket *bucket = &token_hash[slot];

3
net/netfilter/ipset/ip_set_core.c
View File

@ -637,13 +637,14 @@ ip_set_match_extensions(struct ip_set *set, const struct ip_set_ext *ext,
if (SET_WITH_COUNTER(set)) {
struct ip_set_counter *counter = ext_counter(data, set);
ip_set_update_counter(counter, ext, flags);
if (flags & IPSET_FLAG_MATCH_COUNTERS &&
!(ip_set_match_counter(ip_set_get_packets(counter),
mext->packets, mext->packets_op) &&
ip_set_match_counter(ip_set_get_bytes(counter),
mext->bytes, mext->bytes_op)))
return false;
ip_set_update_counter(counter, ext, flags);
}
if (SET_WITH_SKBINFO(set))
ip_set_get_skbinfo(ext_skbinfo(data, set),

4
net/netfilter/ipvs/ip_vs_core.c
View File

@ -742,12 +742,12 @@ static int ip_vs_route_me_harder(struct netns_ipvs *ipvs, int af,
struct dst_entry *dst = skb_dst(skb);
if (dst->dev && !(dst->dev->flags & IFF_LOOPBACK) &&
ip6_route_me_harder(ipvs->net, skb) != 0)
ip6_route_me_harder(ipvs->net, skb->sk, skb) != 0)
return 1;
} else
#endif
if (!(skb_rtable(skb)->rt_flags & RTCF_LOCAL) &&
ip_route_me_harder(ipvs->net, skb, RTN_LOCAL) != 0)
ip_route_me_harder(ipvs->net, skb->sk, skb, RTN_LOCAL) != 0)
return 1;
return 0;

4
net/netfilter/nf_nat_proto.c
View File

@ -715,7 +715,7 @@ nf_nat_ipv4_local_fn(void *priv, struct sk_buff *skb,
if (ct->tuplehash[dir].tuple.dst.u3.ip !=
ct->tuplehash[!dir].tuple.src.u3.ip) {
err = ip_route_me_harder(state->net, skb, RTN_UNSPEC);
err = ip_route_me_harder(state->net, state->sk, skb, RTN_UNSPEC);
if (err < 0)
ret = NF_DROP_ERR(err);
}
@ -953,7 +953,7 @@ nf_nat_ipv6_local_fn(void *priv, struct sk_buff *skb,
if (!nf_inet_addr_cmp(&ct->tuplehash[dir].tuple.dst.u3,
&ct->tuplehash[!dir].tuple.src.u3)) {
err = nf_ip6_route_me_harder(state->net, skb);
err = nf_ip6_route_me_harder(state->net, state->sk, skb);
if (err < 0)
ret = NF_DROP_ERR(err);
}

2
net/netfilter/nf_synproxy_core.c
View File

@ -446,7 +446,7 @@ synproxy_send_tcp(struct net *net,
skb_dst_set_noref(nskb, skb_dst(skb));
nskb->protocol = htons(ETH_P_IP);
if (ip_route_me_harder(net, nskb, RTN_UNSPEC))
if (ip_route_me_harder(net, nskb->sk, nskb, RTN_UNSPEC))
goto free_nskb;
if (nfct) {

19
net/netfilter/nf_tables_api.c
View File

@ -7137,7 +7137,7 @@ static void nf_tables_flowtable_notify(struct nft_ctx *ctx,
GFP_KERNEL);
kfree(buf);
if (ctx->report &&
if (!ctx->report &&
!nfnetlink_has_listeners(ctx->net, NFNLGRP_NFTABLES))
return;
@ -7259,7 +7259,7 @@ static void nf_tables_gen_notify(struct net *net, struct sk_buff *skb,
audit_log_nfcfg("?:0;?:0", 0, net->nft.base_seq,
AUDIT_NFT_OP_GEN_REGISTER, GFP_KERNEL);
if (nlmsg_report(nlh) &&
if (!nlmsg_report(nlh) &&
!nfnetlink_has_listeners(net, NFNLGRP_NFTABLES))
return;
@ -8053,12 +8053,16 @@ static void nf_tables_abort_release(struct nft_trans *trans)
kfree(trans);
}
static int __nf_tables_abort(struct net *net, bool autoload)
static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
{
struct nft_trans *trans, *next;
struct nft_trans_elem *te;
struct nft_hook *hook;
if (action == NFNL_ABORT_VALIDATE &&
nf_tables_validate(net) < 0)
return -EAGAIN;
list_for_each_entry_safe_reverse(trans, next, &net->nft.commit_list,
list) {
switch (trans->msg_type) {
@ -8190,7 +8194,7 @@ static int __nf_tables_abort(struct net *net, bool autoload)
nf_tables_abort_release(trans);
}
if (autoload)
if (action == NFNL_ABORT_AUTOLOAD)
nf_tables_module_autoload(net);
else
nf_tables_module_autoload_cleanup(net);
@ -8203,9 +8207,10 @@ static void nf_tables_cleanup(struct net *net)
nft_validate_state_update(net, NFT_VALIDATE_SKIP);
}
static int nf_tables_abort(struct net *net, struct sk_buff *skb, bool autoload)
static int nf_tables_abort(struct net *net, struct sk_buff *skb,
enum nfnl_abort_action action)
{
int ret = __nf_tables_abort(net, autoload);
int ret = __nf_tables_abort(net, action);
mutex_unlock(&net->nft.commit_mutex);
@ -8836,7 +8841,7 @@ static void __net_exit nf_tables_exit_net(struct net *net)
{
mutex_lock(&net->nft.commit_mutex);
if (!list_empty(&net->nft.commit_list))
__nf_tables_abort(net, false);
__nf_tables_abort(net, NFNL_ABORT_NONE);
__nft_release_tables(net);
mutex_unlock(&net->nft.commit_mutex);
WARN_ON_ONCE(!list_empty(&net->nft.tables));

22
net/netfilter/nfnetlink.c
View File

@ -333,7 +333,7 @@ static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh,
return netlink_ack(skb, nlh, -EINVAL, NULL);
replay:
status = 0;
replay_abort:
skb = netlink_skb_clone(oskb, GFP_KERNEL);
if (!skb)
return netlink_ack(oskb, nlh, -ENOMEM, NULL);
@ -499,7 +499,7 @@ static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh,
}
done:
if (status & NFNL_BATCH_REPLAY) {
ss->abort(net, oskb, true);
ss->abort(net, oskb, NFNL_ABORT_AUTOLOAD);
nfnl_err_reset(&err_list);
kfree_skb(skb);
module_put(ss->owner);
@ -510,11 +510,25 @@ static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh,
status |= NFNL_BATCH_REPLAY;
goto done;
} else if (err) {
ss->abort(net, oskb, false);
ss->abort(net, oskb, NFNL_ABORT_NONE);
netlink_ack(oskb, nlmsg_hdr(oskb), err, NULL);
}
} else {
ss->abort(net, oskb, false);
enum nfnl_abort_action abort_action;
if (status & NFNL_BATCH_FAILURE)
abort_action = NFNL_ABORT_NONE;
else
abort_action = NFNL_ABORT_VALIDATE;
err = ss->abort(net, oskb, abort_action);
if (err == -EAGAIN) {
nfnl_err_reset(&err_list);
kfree_skb(skb);
module_put(ss->owner);
status |= NFNL_BATCH_FAILURE;
goto replay_abort;
}
}
if (ss->cleanup)
ss->cleanup(net);

4
net/netfilter/nft_chain_route.c
View File

@ -42,7 +42,7 @@ static unsigned int nf_route_table_hook4(void *priv,
iph->daddr != daddr ||
skb->mark != mark ||
iph->tos != tos) {
err = ip_route_me_harder(state->net, skb, RTN_UNSPEC);
err = ip_route_me_harder(state->net, state->sk, skb, RTN_UNSPEC);
if (err < 0)
ret = NF_DROP_ERR(err);
}
@ -92,7 +92,7 @@ static unsigned int nf_route_table_hook6(void *priv,
skb->mark != mark ||
ipv6_hdr(skb)->hop_limit != hop_limit ||
flowlabel != *((u32 *)ipv6_hdr(skb)))) {
err = nf_ip6_route_me_harder(state->net, skb);
err = nf_ip6_route_me_harder(state->net, state->sk, skb);
if (err < 0)
ret = NF_DROP_ERR(err);
}

4
net/netfilter/utils.c
View File

@ -191,8 +191,8 @@ static int nf_ip_reroute(struct sk_buff *skb, const struct nf_queue_entry *entry
skb->mark == rt_info->mark &&
iph->daddr == rt_info->daddr &&
iph->saddr == rt_info->saddr))
return ip_route_me_harder(entry->state.net, skb,
RTN_UNSPEC);
return ip_route_me_harder(entry->state.net, entry->state.sk,
skb, RTN_UNSPEC);
}
#endif
return 0;

14
net/openvswitch/datapath.c
View File

@ -1703,13 +1703,13 @@ static int ovs_dp_cmd_new(struct sk_buff *skb, struct genl_info *info)
parms.port_no = OVSP_LOCAL;
parms.upcall_portids = a[OVS_DP_ATTR_UPCALL_PID];
err = ovs_dp_change(dp, a);
if (err)
goto err_destroy_meters;
/* So far only local changes have been made, now need the lock. */
ovs_lock();
err = ovs_dp_change(dp, a);
if (err)
goto err_unlock_and_destroy_meters;
vport = new_vport(&parms);
if (IS_ERR(vport)) {
err = PTR_ERR(vport);
@ -1725,8 +1725,7 @@ static int ovs_dp_cmd_new(struct sk_buff *skb, struct genl_info *info)
ovs_dp_reset_user_features(skb, info);
}
ovs_unlock();
goto err_destroy_meters;
goto err_unlock_and_destroy_meters;
}
err = ovs_dp_cmd_fill_info(dp, reply, info->snd_portid,
@ -1741,7 +1740,8 @@ static int ovs_dp_cmd_new(struct sk_buff *skb, struct genl_info *info)
ovs_notify(&dp_datapath_genl_family, reply, info);
return 0;
err_destroy_meters:
err_unlock_and_destroy_meters:
ovs_unlock();
ovs_meters_exit(dp);
err_destroy_ports:
kfree(dp->ports);

2
net/openvswitch/flow_table.c
View File

@ -390,7 +390,7 @@ static struct mask_cache *tbl_mask_cache_alloc(u32 size)
}
int ovs_flow_tbl_masks_cache_resize(struct flow_table *table, u32 size)
{
struct mask_cache *mc = rcu_dereference(table->mask_cache);
struct mask_cache *mc = rcu_dereference_ovsl(table->mask_cache);
struct mask_cache *new;
if (size == mc->cache_size)

4
net/sctp/sm_sideeffect.c
View File

@ -1601,12 +1601,12 @@ static int sctp_cmd_interpreter(enum sctp_event_type event_type,
break;
case SCTP_CMD_INIT_FAILED:
sctp_cmd_init_failed(commands, asoc, cmd->obj.u32);
sctp_cmd_init_failed(commands, asoc, cmd->obj.u16);
break;
case SCTP_CMD_ASSOC_FAILED:
sctp_cmd_assoc_failed(commands, asoc, event_type,
subtype, chunk, cmd->obj.u32);
subtype, chunk, cmd->obj.u16);
break;
case SCTP_CMD_INIT_COUNTER_INC:

57
net/wireless/core.c
View File

@ -1250,8 +1250,7 @@ void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev,
}
EXPORT_SYMBOL(cfg80211_stop_iface);
void cfg80211_init_wdev(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev)
void cfg80211_init_wdev(struct wireless_dev *wdev)
{
mutex_init(&wdev->mtx);
INIT_LIST_HEAD(&wdev->event_list);
@ -1262,6 +1261,30 @@ void cfg80211_init_wdev(struct cfg80211_registered_device *rdev,
spin_lock_init(&wdev->pmsr_lock);
INIT_WORK(&wdev->pmsr_free_wk, cfg80211_pmsr_free_wk);
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.default_key = -1;
wdev->wext.default_mgmt_key = -1;
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
#endif
if (wdev->wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT)
wdev->ps = true;
else
wdev->ps = false;
/* allow mac80211 to determine the timeout */
wdev->ps_timeout = -1;
if ((wdev->iftype == NL80211_IFTYPE_STATION ||
wdev->iftype == NL80211_IFTYPE_P2P_CLIENT ||
wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr)
wdev->netdev->priv_flags |= IFF_DONT_BRIDGE;
INIT_WORK(&wdev->disconnect_wk, cfg80211_autodisconnect_wk);
}
void cfg80211_register_wdev(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev)
{
/*
* We get here also when the interface changes network namespaces,
* as it's registered into the new one, but we don't want it to
@ -1295,6 +1318,11 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
switch (state) {
case NETDEV_POST_INIT:
SET_NETDEV_DEVTYPE(dev, &wiphy_type);
wdev->netdev = dev;
/* can only change netns with wiphy */
dev->features |= NETIF_F_NETNS_LOCAL;
cfg80211_init_wdev(wdev);
break;
case NETDEV_REGISTER:
/*
@ -1302,35 +1330,12 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
* called within code protected by it when interfaces
* are added with nl80211.
*/
/* can only change netns with wiphy */
dev->features |= NETIF_F_NETNS_LOCAL;
if (sysfs_create_link(&dev->dev.kobj, &rdev->wiphy.dev.kobj,
"phy80211")) {
pr_err("failed to add phy80211 symlink to netdev!\n");
}
wdev->netdev = dev;
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.default_key = -1;
wdev->wext.default_mgmt_key = -1;
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
#endif
if (wdev->wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT)
wdev->ps = true;
else
wdev->ps = false;
/* allow mac80211 to determine the timeout */
wdev->ps_timeout = -1;
if ((wdev->iftype == NL80211_IFTYPE_STATION ||
wdev->iftype == NL80211_IFTYPE_P2P_CLIENT ||
wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr)
dev->priv_flags |= IFF_DONT_BRIDGE;
INIT_WORK(&wdev->disconnect_wk, cfg80211_autodisconnect_wk);
cfg80211_init_wdev(rdev, wdev);
cfg80211_register_wdev(rdev, wdev);
break;
case NETDEV_GOING_DOWN:
cfg80211_leave(rdev, wdev);

5
net/wireless/core.h
View File

@ -209,8 +209,9 @@ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
struct net *net);
void cfg80211_init_wdev(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
void cfg80211_init_wdev(struct wireless_dev *wdev);
void cfg80211_register_wdev(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
static inline void wdev_lock(struct wireless_dev *wdev)
__acquires(wdev)

3
net/wireless/nl80211.c
View File

@ -3885,7 +3885,8 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
* P2P Device and NAN do not have a netdev, so don't go
* through the netdev notifier and must be added here
*/
cfg80211_init_wdev(rdev, wdev);
cfg80211_init_wdev(wdev);
cfg80211_register_wdev(rdev, wdev);
break;
default:
break;

2
net/wireless/reg.c
View File

@ -3616,7 +3616,7 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd)
power_rule = &reg_rule->power_rule;
if (reg_rule->flags & NL80211_RRF_AUTO_BW)
snprintf(bw, sizeof(bw), "%d KHz, %d KHz AUTO",
snprintf(bw, sizeof(bw), "%d KHz, %u KHz AUTO",
freq_range->max_bandwidth_khz,
reg_get_max_bandwidth(rd, reg_rule));
else

8
net/xfrm/xfrm_interface.c
View File

@ -803,14 +803,14 @@ static struct xfrm6_tunnel xfrmi_ipv6_handler __read_mostly = {
.handler = xfrmi6_rcv_tunnel,
.cb_handler = xfrmi_rcv_cb,
.err_handler = xfrmi6_err,
.priority = -1,
.priority = 2,
};
static struct xfrm6_tunnel xfrmi_ip6ip_handler __read_mostly = {
.handler = xfrmi6_rcv_tunnel,
.cb_handler = xfrmi_rcv_cb,
.err_handler = xfrmi6_err,
.priority = -1,
.priority = 2,
};
#endif
@ -848,14 +848,14 @@ static struct xfrm_tunnel xfrmi_ipip_handler __read_mostly = {
.handler = xfrmi4_rcv_tunnel,
.cb_handler = xfrmi_rcv_cb,
.err_handler = xfrmi4_err,
.priority = -1,
.priority = 3,
};
static struct xfrm_tunnel xfrmi_ipip6_handler __read_mostly = {
.handler = xfrmi4_rcv_tunnel,
.cb_handler = xfrmi_rcv_cb,
.err_handler = xfrmi4_err,
.priority = -1,
.priority = 2,
};
#endif

8
net/xfrm/xfrm_state.c
View File

@ -2004,6 +2004,7 @@ int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high)
int err = -ENOENT;
__be32 minspi = htonl(low);
__be32 maxspi = htonl(high);
__be32 newspi = 0;
u32 mark = x->mark.v & x->mark.m;
spin_lock_bh(&x->lock);
@ -2022,21 +2023,22 @@ int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high)
xfrm_state_put(x0);
goto unlock;
}
x->id.spi = minspi;
newspi = minspi;
} else {
u32 spi = 0;
for (h = 0; h < high-low+1; h++) {
spi = low + prandom_u32()%(high-low+1);
x0 = xfrm_state_lookup(net, mark, &x->id.daddr, htonl(spi), x->id.proto, x->props.family);
if (x0 == NULL) {
x->id.spi = htonl(spi);
newspi = htonl(spi);
break;
}
xfrm_state_put(x0);
}
}
if (x->id.spi) {
if (newspi) {
spin_lock_bh(&net->xfrm.xfrm_state_lock);
x->id.spi = newspi;
h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, x->props.family);
hlist_add_head_rcu(&x->byspi, net->xfrm.state_byspi + h);
spin_unlock_bh(&net->xfrm.xfrm_state_lock);

8
tools/testing/selftests/wireguard/netns.sh
View File

@ -316,6 +316,14 @@ pp sleep 3
n2 ping -W 1 -c 1 192.168.241.1
n1 wg set wg0 peer "$pub2" persistent-keepalive 0
# Test that sk_bound_dev_if works
n1 ping -I wg0 -c 1 -W 1 192.168.241.2
# What about when the mark changes and the packet must be rerouted?
n1 iptables -t mangle -I OUTPUT -j MARK --set-xmark 1
n1 ping -c 1 -W 1 192.168.241.2 # First the boring case
n1 ping -I wg0 -c 1 -W 1 192.168.241.2 # Then the sk_bound_dev_if case
n1 iptables -t mangle -D OUTPUT -j MARK --set-xmark 1
# Test that onion routing works, even when it loops
n1 wg set wg0 peer "$pub3" allowed-ips 192.168.242.2/32 endpoint 192.168.241.2:5
ip1 addr add 192.168.242.1/24 dev wg0

2
tools/testing/selftests/wireguard/qemu/kernel.config
View File

@ -18,10 +18,12 @@ CONFIG_NF_NAT=y
CONFIG_NETFILTER_XTABLES=y
CONFIG_NETFILTER_XT_NAT=y
CONFIG_NETFILTER_XT_MATCH_LENGTH=y
CONFIG_NETFILTER_XT_MARK=y
CONFIG_NF_CONNTRACK_IPV4=y
CONFIG_NF_NAT_IPV4=y
CONFIG_IP_NF_IPTABLES=y
CONFIG_IP_NF_FILTER=y
CONFIG_IP_NF_MANGLE=y
CONFIG_IP_NF_NAT=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_MULTIPLE_TABLES=y