netdev - [PATCH iproute2 3/3] ip/tunnel: Document "external" parameter

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Message-Id: <1514459502-20011-1-git-send-email-serhe.popovych@gmail.com>
Date:   Thu, 28 Dec 2017 13:11:42 +0200
From:   Serhey Popovych <serhe.popovych@...il.com>
To:     netdev@...r.kernel.org
Subject: [PATCH iproute2 3/3] ip/tunnel: Document "external" parameter

Add it to ip-link(8) "type gre" output help message
as well as to ip-link(8) page.

Signed-off-by: Serhey Popovych <serhe.popovych@...il.com>
---
 ip/link_gre.c         |    1 +
 man/man8/ip-link.8.in |    7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/ip/link_gre.c b/ip/link_gre.c
index 896bb19..3c0b6d6 100644
--- a/ip/link_gre.c
+++ b/ip/link_gre.c
@@ -43,6 +43,7 @@ static void print_usage(FILE *f)
 		"                            [ [no]encap-csum ]\n"
 		"                            [ [no]encap-csum6 ]\n"
 		"                            [ [no]encap-remcsum ]\n"
+		"                            [ external ]\n"
 		"                            [ fwmark MARK ]\n"
 		"                            [ erspan IDX ]\n"
 		"\n"
diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in
index 94ecbec..9ddf0ff 100644
--- a/man/man8/ip-link.8.in
+++ b/man/man8/ip-link.8.in
@@ -698,6 +698,8 @@ the following additional arguments are supported:
 .I " mode " { ip6ip | ipip | mplsip | any } "
 ] [
 .BR erspan " \fIIDX "
+] [
+.BR external
 ]
 
 .in +8
@@ -749,6 +751,11 @@ IPv6-Over-IPv4 is not supported for IPIP.
 indicates a 20 bit index/port number associated with the ERSPAN
 traffic's source port and direction.
 
+.sp
+.BR external
+- make this tunnel externally controlled
+.RB "(e.g. " "ip route encap" ).
+
 .in -8
 
 .TP
-- 
1.7.10.4