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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Browse Source 
Pull networking updates from David Miller:

 1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov.

 2) Multiqueue support in xen-netback and xen-netfront, from Andrew J
    Benniston.

 3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn
    Mork.

 4) BPF now has a "random" opcode, from Chema Gonzalez.

 5) Add more BPF documentation and improve test framework, from Daniel
    Borkmann.

 6) Support TCP fastopen over ipv6, from Daniel Lee.

 7) Add software TSO helper functions and use them to support software
    TSO in mvneta and mv643xx_eth drivers.  From Ezequiel Garcia.

 8) Support software TSO in fec driver too, from Nimrod Andy.

 9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli.

10) Handle broadcasts more gracefully over macvlan when there are large
    numbers of interfaces configured, from Herbert Xu.

11) Allow more control over fwmark used for non-socket based responses,
    from Lorenzo Colitti.

12) Do TCP congestion window limiting based upon measurements, from Neal
    Cardwell.

13) Support busy polling in SCTP, from Neal Horman.

14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru.

15) Bridge promisc mode handling improvements from Vlad Yasevich.

16) Don't use inetpeer entries to implement ID generation any more, it
    performs poorly, from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits)
  rtnetlink: fix userspace API breakage for iproute2 < v3.9.0
  tcp: fixing TLP's FIN recovery
  net: fec: Add software TSO support
  net: fec: Add Scatter/gather support
  net: fec: Increase buffer descriptor entry number
  net: fec: Factorize feature setting
  net: fec: Enable IP header hardware checksum
  net: fec: Factorize the .xmit transmit function
  bridge: fix compile error when compiling without IPv6 support
  bridge: fix smatch warning / potential null pointer dereference
  via-rhine: fix full-duplex with autoneg disable
  bnx2x: Enlarge the dorq threshold for VFs
  bnx2x: Check for UNDI in uncommon branch
  bnx2x: Fix 1G-baseT link
  bnx2x: Fix link for KR with swapped polarity lane
  sctp: Fix sk_ack_backlog wrap-around problem
  net/core: Add VF link state control policy
  net/fsl: xgmac_mdio is dependent on OF_MDIO
  net/fsl: Make xgmac_mdio read error message useful
  net_sched: drr: warn when qdisc is not work conserving
  ...
This commit is contained in:
Linus Torvalds
2014-06-12 14:27:40 -07:00
parent 0e04c641b1 e5eca6d41f
commit f9da455b93
1265 changed files with 61688 additions and 23103 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
Documentation/ABI/testing/sysfs-class-net
View File

@@ -169,6 +169,14 @@ Description:
"unknown", "notpresent", "down", "lowerlayerdown", "testing",
"dormant", "up".
What: /sys/class/net/<iface>/phys_port_id
Date: July 2013
KernelVersion: 3.12
Contact: netdev@vger.kernel.org
Description:
Indicates the interface unique physical port identifier within
the NIC, as a string.
What: /sys/class/net/<iface>/speed
Date: October 2009
KernelVersion: 2.6.33

149
Documentation/ABI/testing/sysfs-class-net-cdc_ncm Normal file
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@@ -0,0 +1,149 @@
What: /sys/class/net/<iface>/cdc_ncm/min_tx_pkt
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
The driver will pad NCM Transfer Blocks (NTBs) longer
than this to tx_max, allowing the device to receive
tx_max sized frames with no terminating short
packet. NTBs shorter than this limit are transmitted
as-is, without any padding, and are terminated with a
short USB packet.
Padding to tx_max allows the driver to transmit NTBs
back-to-back without any interleaving short USB
packets. This reduces the number of short packet
interrupts in the device, and represents a tradeoff
between USB bus bandwidth and device DMA optimization.
Set to 0 to pad all frames. Set greater than tx_max to
disable all padding.
What: /sys/class/net/<iface>/cdc_ncm/rx_max
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
The maximum NTB size for RX. Cannot exceed the
maximum value supported by the device. Must allow at
least one max sized datagram plus headers.
The actual limits are device dependent. See
dwNtbInMaxSize.
Note: Some devices will silently ignore changes to
this value, resulting in oversized NTBs and
corresponding framing errors.
What: /sys/class/net/<iface>/cdc_ncm/tx_max
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
The maximum NTB size for TX. Cannot exceed the
maximum value supported by the device. Must allow at
least one max sized datagram plus headers.
The actual limits are device dependent. See
dwNtbOutMaxSize.
What: /sys/class/net/<iface>/cdc_ncm/tx_timer_usecs
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
Datagram aggregation timeout in µs. The driver will
wait up to 3 times this timeout for more datagrams to
aggregate before transmitting an NTB frame.
Valid range: 5 to 4000000
Set to 0 to disable aggregation.
The following read-only attributes all represent fields of the
structure defined in section 6.2.1 "GetNtbParameters" of "Universal
Serial Bus Communications Class Subclass Specifications for Network
Control Model Devices" (CDC NCM), Revision 1.0 (Errata 1), November
24, 2010 from USB Implementers Forum, Inc. The descriptions are
quoted from table 6-3 of CDC NCM: "NTB Parameter Structure".
What: /sys/class/net/<iface>/cdc_ncm/bmNtbFormatsSupported
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
Bit 0: 16-bit NTB supported (set to 1)
Bit 1: 32-bit NTB supported
Bits 2 – 15: reserved (reset to zero; must be ignored by host)
What: /sys/class/net/<iface>/cdc_ncm/dwNtbInMaxSize
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
IN NTB Maximum Size in bytes
What: /sys/class/net/<iface>/cdc_ncm/wNdpInDivisor
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
Divisor used for IN NTB Datagram payload alignment
What: /sys/class/net/<iface>/cdc_ncm/wNdpInPayloadRemainder
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
Remainder used to align input datagram payload within
the NTB: (Payload Offset) mod (wNdpInDivisor) =
wNdpInPayloadRemainder
What: /sys/class/net/<iface>/cdc_ncm/wNdpInAlignment
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
NDP alignment modulus for NTBs on the IN pipe. Shall
be a power of 2, and shall be at least 4.
What: /sys/class/net/<iface>/cdc_ncm/dwNtbOutMaxSize
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
OUT NTB Maximum Size
What: /sys/class/net/<iface>/cdc_ncm/wNdpOutDivisor
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
OUT NTB Datagram alignment modulus
What: /sys/class/net/<iface>/cdc_ncm/wNdpOutPayloadRemainder
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
Remainder used to align output datagram payload
offsets within the NTB: Padding, shall be transmitted
as zero by function, and ignored by host. (Payload
Offset) mod (wNdpOutDivisor) = wNdpOutPayloadRemainder
What: /sys/class/net/<iface>/cdc_ncm/wNdpOutAlignment
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
NDP alignment modulus for use in NTBs on the OUT
pipe. Shall be a power of 2, and shall be at least 4.
What: /sys/class/net/<iface>/cdc_ncm/wNtbOutMaxDatagrams
Date: May 2014
KernelVersion: 3.16
Contact: Bjørn Mork <bjorn@mork.no>
Description:
Maximum number of datagrams that the host may pack
into a single OUT NTB. Zero means that the device
imposes no limit.

79
Documentation/ABI/testing/sysfs-class-net-queues Normal file
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@@ -0,0 +1,79 @@
What: /sys/class/<iface>/queues/rx-<queue>/rps_cpus
Date: March 2010
KernelVersion: 2.6.35
Contact: netdev@vger.kernel.org
Description:
Mask of the CPU(s) currently enabled to participate into the
Receive Packet Steering packet processing flow for this
network device queue. Possible values depend on the number
of available CPU(s) in the system.
What: /sys/class/<iface>/queues/rx-<queue>/rps_flow_cnt
Date: April 2010
KernelVersion: 2.6.35
Contact: netdev@vger.kernel.org
Description:
Number of Receive Packet Steering flows being currently
processed by this particular network device receive queue.
What: /sys/class/<iface>/queues/tx-<queue>/tx_timeout
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Description:
Indicates the number of transmit timeout events seen by this
network interface transmit queue.
What: /sys/class/<iface>/queues/tx-<queue>/xps_cpus
Date: November 2010
KernelVersion: 2.6.38
Contact: netdev@vger.kernel.org
Description:
Mask of the CPU(s) currently enabled to participate into the
Transmit Packet Steering packet processing flow for this
network device transmit queue. Possible vaules depend on the
number of available CPU(s) in the system.
What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/hold_time
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Description:
Indicates the hold time in milliseconds to measure the slack
of this particular network device transmit queue.
Default value is 1000.
What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/inflight
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Description:
Indicates the number of bytes (objects) in flight on this
network device transmit queue.
What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Description:
Indicates the current limit of bytes allowed to be queued
on this network device transmit queue. This value is clamped
to be within the bounds defined by limit_max and limit_min.
What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit_max
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Description:
Indicates the absolute maximum limit of bytes allowed to be
queued on this network device transmit queue. See
include/linux/dynamic_queue_limits.h for the default value.
What: /sys/class/<iface>/queues/tx-<queue>/byte_queue_limits/limit_min
Date: November 2011
KernelVersion: 3.3
Contact: netdev@vger.kernel.org
Description:
Indicates the absolute minimum limit of bytes allowed to be
queued on this network device transmit queue. Default value is
0.

201
Documentation/ABI/testing/sysfs-class-net-statistics Normal file
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@@ -0,0 +1,201 @@
What: /sys/class/<iface>/statistics/collisions
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of collisions seen by this network device.
This value might not be relevant with all MAC layers.
What: /sys/class/<iface>/statistics/multicast
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of multicast packets received by this
network device.
What: /sys/class/<iface>/statistics/rx_bytes
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of bytes received by this network device.
See the network driver for the exact meaning of when this
value is incremented.
What: /sys/class/<iface>/statistics/rx_compressed
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of compressed packets received by this
network device. This value might only be relevant for interfaces
that support packet compression (e.g: PPP).
What: /sys/class/<iface>/statistics/rx_crc_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of packets received with a CRC (FCS) error
by this network device. Note that the specific meaning might
depend on the MAC layer used by the interface.
What: /sys/class/<iface>/statistics/rx_dropped
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of packets received by the network device
but dropped, that are not forwarded to the upper layers for
packet processing. See the network driver for the exact
meaning of this value.
What: /sys/class/<iface>/statistics/rx_fifo_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of receive FIFO errors seen by this
network device. See the network driver for the exact
meaning of this value.
What: /sys/class/<iface>/statistics/rx_frame_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of received frames with error, such as
alignment errors. Note that the specific meaning depends on
on the MAC layer protocol used. See the network driver for
the exact meaning of this value.
What: /sys/class/<iface>/statistics/rx_length_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of received error packet with a length
error, oversized or undersized. See the network driver for the
exact meaning of this value.
What: /sys/class/<iface>/statistics/rx_missed_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of received packets that have been missed
due to lack of capacity in the receive side. See the network
driver for the exact meaning of this value.
What: /sys/class/<iface>/statistics/rx_over_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of received packets that are oversized
compared to what the network device is configured to accept
(e.g: larger than MTU). See the network driver for the exact
meaning of this value.
What: /sys/class/<iface>/statistics/rx_packets
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the total number of good packets received by this
network device.
What: /sys/class/<iface>/statistics/tx_aborted_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of packets that have been aborted
during transmission by a network device (e.g: because of
a medium collision). See the network driver for the exact
meaning of this value.
What: /sys/class/<iface>/statistics/tx_bytes
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of bytes transmitted by a network
device. See the network driver for the exact meaning of this
value, in particular whether this accounts for all successfully
transmitted packets or all packets that have been queued for
transmission.
What: /sys/class/<iface>/statistics/tx_carrier_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of packets that could not be transmitted
because of carrier errors (e.g: physical link down). See the
network driver for the exact meaning of this value.
What: /sys/class/<iface>/statistics/tx_compressed
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of transmitted compressed packets. Note
this might only be relevant for devices that support
compression (e.g: PPP).
What: /sys/class/<iface>/statistics/tx_dropped
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of packets dropped during transmission.
See the driver for the exact reasons as to why the packets were
dropped.
What: /sys/class/<iface>/statistics/tx_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of packets in error during transmission by
a network device. See the driver for the exact reasons as to
why the packets were dropped.
What: /sys/class/<iface>/statistics/tx_fifo_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of packets having caused a transmit
FIFO error. See the driver for the exact reasons as to why the
packets were dropped.
What: /sys/class/<iface>/statistics/tx_heartbeat_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of packets transmitted that have been
reported as heartbeat errors. See the driver for the exact
reasons as to why the packets were dropped.
What: /sys/class/<iface>/statistics/tx_packets
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of packets transmitted by a network
device. See the driver for whether this reports the number of all
attempted or successful transmissions.
What: /sys/class/<iface>/statistics/tx_window_errors
Date: April 2005
KernelVersion: 2.6.12
Contact: netdev@vger.kernel.org
Description:
Indicates the number of packets not successfully transmitted
due to a window collision. The specific meaning depends on the
MAC layer used. On Ethernet this is usually used to report
late collisions errors.