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| author | Paolo Lungaroni <paolo.lungaroni@uniroma2.it> | 2023-02-15 14:53:18 +0100 |
|---|---|---|
| committer | David Ahern <dsahern@kernel.org> | 2023-02-18 10:05:37 -0700 |
| commit | 33840bbbbe5bf5221f26344a3c6c903cee3dddde (patch) | |
| tree | 6d5f8b26ec69de461d8671c76bdf8623cfb7d644 | |
| parent | 1dafe448c7a2f2be5dfddd8da250980708a48c41 (diff) | |
| download | iproute2-33840bbbbe5bf5221f26344a3c6c903cee3dddde.tar.gz | |
seg6: man: ip-link.8: add SRv6 End PSP flavor description
This patch extends the manpage by providing a brief description of the PSP
flavor for the SRv6 End behavior as defined in RFC 8986 [1].
The code/logic required to handle the "flavors" framework has already been
merged into iproute2 by commit:
04a6b456bf74 ("seg6: add support for flavors in SRv6 End* behaviors").
Some examples:
ip -6 route add 2001:db8::1 encap seg6local action End flavors psp dev eth0
Standard Output:
ip -6 route show 2001:db8::1
2001:db8::1 encap seg6local action End flavors psp dev eth0 metric 1024 pref medium
JSON Output:
ip -6 -j -p route show 2001:db8::1
[ {
"dst": "2001:db8::1",
"encap": "seg6local",
"action": "End",
"flavors": [ "psp" ],
"dev": "eth0",
"metric": 1024,
"flags": [ ],
"pref": "medium"
} ]
[1] - https://datatracker.ietf.org/doc/html/rfc8986
Signed-off-by: Paolo Lungaroni <paolo.lungaroni@uniroma2.it>
Signed-off-by: David Ahern <dsahern@kernel.org>
| -rw-r--r-- | man/man8/ip-route.8.in | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/man/man8/ip-route.8.in b/man/man8/ip-route.8.in index 194dc780..c2b00833 100644 --- a/man/man8/ip-route.8.in +++ b/man/man8/ip-route.8.in @@ -963,7 +963,12 @@ subset of the existing behaviors. .in -2 .B psp -- Penultimate Segment Pop of the SRH (not yet supported in kernel) +- The Penultimate Segment Pop (PSP) copies the last SID from the SID List +(carried by the outermost SRH) into the IPv6 Destination Address (DA) and +removes (i.e. pops) the SRH from the IPv6 header. +The PSP operation takes place only at a penultimate SR Segment Endpoint node +(e.g., the Segment Left must be one) and does not happen at non-penultimate +endpoint nodes. .B usp - Ultimate Segment Pop of the SRH (not yet supported in kernel) @@ -1359,6 +1364,11 @@ 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 seg6local action End flavors psp dev eth0 +.RS 4 +Adds an IPv6 route with SRv6 End behavior with psp flavor enabled. +.RE +.PP ip -6 route add 2001:db8:1::/64 encap seg6local action End flavors next-csid dev eth0 .RS 4 Adds an IPv6 route with SRv6 End behavior with next-csid flavor enabled. |