[ovs-dev] [PATCH next-next v4 0/2] MPLS: Add limited GSO support

Zhi Yong Wu zwu.kernel at gmail.com
Fri May 24 07:12:33 UTC 2013


HI,

   By the way, will this label is allocated statically or via
auto-negotiation between two switches such as LDP?

On Fri, May 24, 2013 at 2:51 PM, Simon Horman <horms at verge.net.au> wrote:
> In the case where a non-MPLS packet is received and an MPLS stack is
> added it may well be the case that the original skb is GSO but the
> NIC used for transmit does not support GSO of MPLS packets.
>
> The aim of this short series is to provide GSO in software for MPLS packets
> whose skbs are GSO.
>
> Change since v4:
>
> Update first patch of the series to use 16 bits for all *_headers
> rather than just inner_*_headers
>
> Simon Horman (2):
>   net: Use 16bits for *_headers fields of struct skbuff
>   MPLS: Add limited GSO support
>
>  include/linux/netdev_features.h |   4 +-
>  include/linux/netdevice.h       |   2 +
>  include/linux/skbuff.h          | 123 ++++------------------------------------
>  net/Kconfig                     |   1 +
>  net/Makefile                    |   1 +
>  net/core/dev.c                  |   4 ++
>  net/core/ethtool.c              |   1 +
>  net/ipv4/af_inet.c              |   1 +
>  net/ipv4/tcp.c                  |   1 +
>  net/ipv4/udp.c                  |   2 +-
>  net/ipv6/ip6_offload.c          |   1 +
>  net/ipv6/udp_offload.c          |   3 +-
>  net/mpls/Kconfig                |   9 +++
>  net/mpls/Makefile               |   4 ++
>  net/mpls/mpls_gso.c             | 108 +++++++++++++++++++++++++++++++++++
>  15 files changed, 149 insertions(+), 116 deletions(-)
>  create mode 100644 net/mpls/Kconfig
>  create mode 100644 net/mpls/Makefile
>  create mode 100644 net/mpls/mpls_gso.c
>
> --
> 1.8.2.1
>
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-- 
Regards,

Zhi Yong Wu



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