On 10/8/19 2:49 AM, Martin Varghese wrote:
> From: Martin <[email protected]>
>
> Signed-off-by: Martin Varghese <[email protected]>
>
> Signed-off-by: Martin Varghese <[email protected]>
drop one of those.
> ---
> Documentation/networking/bareudp.txt | 18 ++++++++
> drivers/net/bareudp.c | 82
> +++++++++++++++++++++++++++++++++---
> include/net/bareudp.h | 1 +
> include/uapi/linux/if_link.h | 1 +
> 4 files changed, 95 insertions(+), 7 deletions(-)
>
> diff --git a/Documentation/networking/bareudp.txt
> b/Documentation/networking/bareudp.txt
> index d2530e2..4de1022 100644
> --- a/Documentation/networking/bareudp.txt
> +++ b/Documentation/networking/bareudp.txt
> @@ -9,6 +9,15 @@ The Bareudp tunnel module provides a generic L3
> encapsulation tunnelling
> support for tunnelling different L3 protocols like MPLS, IP, NSH etc. inside
> a UDP tunnel.
>
> +Special Handling
> +----------------
> +The bareudp device supports special handling for MPLS & IP as they can have
> +multiple ethertypes.
> +MPLS procotcol can have ethertypes 0x8847 (unicast) & 0x8847 (multicast).
0x8848
> +IP proctocol can have ethertypes 0x0800 (v4) & 0x866 (v6).
> +This special handling can be enabled only for ethertype 0x0800 & 0x88847
> with a
> +flag called extended mode.
> +
> Usage
> ------
>
> @@ -21,3 +30,12 @@ This creates a bareudp tunnel device which tunnels L3
> traffic with ethertype
> The device will listen on UDP port 6635 to receive traffic.
>
> b. ip link delete bareudp0
> +
> +2. Device creation with extended mode enabled
> +
> +There are two ways to create a bareudp device for MPLS & IP with extended
> mode
> +enabled
end that sentence with a period. (or full stop)
> +
> +a. ip link add dev bareudp0 type bareudp dstport 6635 ethertype 0x8847
> extmode 1
> +
> +b. ip link add dev bareudp0 type bareudp dstport 6635 ethertype mpls
--
~Randy
