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1ababeba4 ipv6: implement dataplane support for rthdr type 4 (Segment Routing Header) ... Browse Code »

Implement minimal support for processing of SR-enabled packets
as described in
https://tools.ietf.org/html/draft-ietf-6man-segment-routing-header-02.

This patch implements the following operations:
- Intermediate segment endpoint: incrementation of active segment and rerouting.
- Egress for SR-encapsulated packets: decapsulation of outer IPv6 header + SRH
and routing of inner packet.
- Cleanup flag support for SR-inlined packets: removal of SRH if we are the
penultimate segment endpoint.

A per-interface sysctl seg6_enabled is provided, to accept/deny SR-enabled
packets. Default is deny.

This patch does not provide support for HMAC-signed packets.

Signed-off-by: David Lebrun
Signed-off-by: David S. Miller

David Lebrun
2016-11-10 09:40:06 +0800

seg6.h 82 Bytes

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#ifndef _LINUX_SEG6_H
#define _LINUX_SEG6_H

#include <uapi/linux/seg6.h>

#endif