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Joe Damato b4fb2d3351 i40e: Add support for MPLS + TSO 
This change adds support for TSO of MPLS packets.

In my tests with tcpdump it seems to work. Note this test setup has
a 9000 byte MTU:

MPLS (label 100, exp 0, [S], ttl 64) IP srcip.50086 > dstip.1234:
  Flags [P.], seq 593345:644401, ack 0, win 420,
  options [nop,nop,TS val 45022534 ecr 1722291395], length 51056

IP dstip.1234 > srcip.50086: Flags [.], ack 593345, win 122,
  options [nop,nop,TS val 1722291395 ecr 45022534], length 0

IP dstip.1234 > srcip.50086: Flags [.], ack 602289, win 105,
  options [nop,nop,TS val 1722291395 ecr 45022534], length 0

IP dstip.1234 > srcip.50086: Flags [.], ack 620177, win 71,
  options [nop,nop,TS val 1722291395 ecr 45022534], length 0

MPLS (label 100, exp 0, [S], ttl 64) IP srcip.50086 > dstip.1234:
  Flags [P.], seq 644401:655953, ack 0, win 420,
  options [nop,nop,TS val 45022534 ecr 1722291395], length 11552

IP dstip.1234 > srcip.50086: Flags [.], ack 638065, win 37,
  options [nop,nop,TS val 1722291395 ecr 45022534], length 0

IP dstip.1234 > srcip.50086: Flags [.], ack 644401, win 25,
  options [nop,nop,TS val 1722291395 ecr 45022534], length 0

IP dstip.1234 > srcip.50086: Flags [.], ack 653345, win 8,
  options [nop,nop,TS val 1722291395 ecr 45022534], length 0

IP dstip.1234 > srcip.50086: Flags [.], ack 655953, win 3,
  options [nop,nop,TS val 1722291395 ecr 45022534], length 0

Signed-off-by: Joe Damato <jdamato@fastly.com>
Co-developed-by: Mike Gallo <mgallo@fastly.com>
Signed-off-by: Mike Gallo <mgallo@fastly.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-04-12 09:42:05 -07:00
arch Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-04-08 17:07:29 -07:00
block for-5.18/block-2022-04-01 2022-04-01 16:20:00 -07:00
certs Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
crypto for-5.18/64bit-pi-2022-03-25 2022-03-26 12:01:35 -07:00
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-04-07 23:24:23 -07:00
drivers i40e: Add support for MPLS + TSO 2022-04-12 09:42:05 -07:00
fs for-5.18-rc1-tag 2022-04-05 08:59:37 -07:00
include net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
init Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
ipc fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
kernel Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-04-08 17:07:29 -07:00
lib Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-04-08 17:07:29 -07:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm Filesystem/VFS changes for 5.18, part two 2022-04-01 13:50:50 -07:00
net page_pool: Add recycle stats to page_pool_put_page_bulk 2022-04-12 15:25:34 +02:00
samples samples, bpf: Move routes monitor in xdp_router_ipv4 in a dedicated thread 2022-04-08 22:10:57 +02:00
scripts modpost: restore the warning message for missing symbol versions 2022-04-03 03:11:51 +09:00
security hardening updates for v5.18-rc1-fix1 2022-03-31 11:43:01 -07:00
sound sound fixes for 5.18-rc1 2022-04-01 10:32:46 -07:00
tools selftests: forwarding: new test, verify host mdb entries 2022-04-12 10:06:53 +02:00
usr Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
virt KVM: Remove dirty handling from gfn_to_pfn_cache completely 2022-04-02 05:34:41 -04:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: update Kirill's email 2022-04-01 11:46:09 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS chrome platform changes for 5.18 2022-04-02 10:44:18 -07:00
Makefile Linux 5.18-rc1 2022-04-03 14:08:21 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.