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Update documentation 

This patch updates the IOAM documentation (ip-route man page) to reflect the
three encap modes that were introduced.

Signed-off-by: Justin Iurman <justin.iurman@uliege.be>
Signed-off-by: David Ahern <dsahern@kernel.org>
This commit is contained in:
Justin Iurman 2021-10-05 17:10:20 +02:00 committed by David Ahern
parent 8fb522cde3
commit 41020eb0fd
1 changed files with 32 additions and 7 deletions
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39
man/man8/ip-route.8.in
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@ -246,13 +246,17 @@ throw " | " unreachable " | " prohibit " | " blackhole " | " nat " ]"
.ti -8
.IR ENCAP_IOAM6 " := "
.B ioam6
.BR trace
.BR prealloc
.BR type
.BR mode " [ "
.BR inline " | " encap " | " auto " ] ["
.B tundst
.IR ADDRESS " ] "
.B trace
.B prealloc
.B type
.IR IOAM6_TRACE_TYPE
.BR ns
.B ns
.IR IOAM6_NAMESPACE
.BR size
.B size
.IR IOAM6_TRACE_SIZE
.ti -8
@ -915,14 +919,35 @@ address is set as described in \fBip-sr\fR(8).
.B ioam6
.in +2
.B mode inline
- Directly insert IOAM after IPv6 header (default mode).
.sp
.B mode encap
- Encapsulate packet in an outer IPv6 header with IOAM.
.sp
.B mode auto
- Automatically use inline mode for local packets and encap mode for in-transit
packets.
.sp
.B tundst
.I ADDRESS
- IPv6 address of the tunnel destination (outer header), not used with inline
mode.
.B type
.I IOAM6_TRACE_TYPE
- List of IOAM data required in the trace, represented by a bitfield (24 bits).
.sp
.B ns
.I IOAM6_NAMESPACE
- Numerical value to represent an IOAM namespace. See \fBip-ioam\fR(8).
.sp
.B size
.I IOAM6_TRACE_SIZE
- Size, in octets, of the pre-allocated trace data block.
.in -4
@ -1249,9 +1274,9 @@ ip -6 route add 2001:db8:1::/64 encap seg6local action End.DT46 vrftable 100 dev
Adds an IPv6 route with SRv6 decapsulation and forward with lookup in VRF table.
.RE
.PP
ip -6 route add 2001:db8:1::/64 encap ioam6 trace prealloc type 0x800000 ns 1 size 12 dev eth0
ip -6 route add 2001:db8:1::/64 encap ioam6 mode encap tundst 2001:db8:42::1 trace prealloc type 0x800000 ns 1 size 12 dev eth0
.RS 4
Adds an IPv6 route with an IOAM Pre-allocated Trace encapsulation that only includes the hop limit and the node id, configured for the IOAM namespace 1 and a pre-allocated data block of 12 octets.
Adds an IPv6 route with an IOAM Pre-allocated Trace encapsulation (ip6ip6) that only includes the hop limit and the node id, configured for the IOAM namespace 1 and a pre-allocated data block of 12 octets.
.RE
.PP
ip route add 10.1.1.0/30 nhid 10