From 1be331f2084e094f6322744083012b4e394f39fd Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sun, 21 May 2023 17:53:00 +0000
Subject: ip/ppp, ip/pppoe: handle ipv6 address auto-configuration, call
 ip/ipconfig

Change ip/ppp to call ip/ipconfig to add and remove
addresses to avoid duplicating code for removing
ndb entries and handling default routes as well as
allow ipv6 address auto-configuration.
---
 sys/man/8/ppp | 62 +++++++++++++++++++++++++++++++++++++++--------------------
 1 file changed, 41 insertions(+), 21 deletions(-)

(limited to 'sys/man')

diff --git a/sys/man/8/ppp b/sys/man/8/ppp
index f8f954ace..1a27d49a6 100644
--- a/sys/man/8/ppp
+++ b/sys/man/8/ppp
@@ -20,6 +20,9 @@ ppp, pppoe, pptp, pptpd \- point-to-point protocol
 ] [
 .B -p
 .I dev
+|
+.B -e
+.I dev
 ] [
 .B -x
 .I netmntpt
@@ -27,6 +30,9 @@ ppp, pppoe, pptp, pptpd \- point-to-point protocol
 .B -t
 .I modemcmd
 ] [
+.B -U
+.I duid
+] [
 .I local
 [
 .I remote
@@ -35,48 +41,41 @@ ppp, pppoe, pptp, pptpd \- point-to-point protocol
 .B ip/pppoe
 [
 .B -PdcCr
-]
-[
+] [
 .B -A
 .I acname
-]
-[
+] [
 .B -S
 .I srvname
-]
-[
+] [
+.B -U
+.I duid
+] [
 .B -k
 .I keyspec
-]
-[
+] [
 .B -m
 .I mtu
-]
-[
+] [
 .B -b
 .I baud
-]
-[
+] [
 .B -x
 .I pppnetmntpt
-]
-[
+] [
 .I ether
 ]
 .PP
 .B ip/pptp
 [
 .B -dP
-]
-[
+] [
 .B -k
 .I keyspec
-]
-[
+] [
 .B -w
 .I window
-]
-[
+] [
 .B -x
 .I pppnetmntpt
 ]
@@ -98,7 +97,6 @@ ppp, pppoe, pptp, pptpd \- point-to-point protocol
 .I tcp-dir
 .SH DESCRIPTION
 The Point-to-Point Protocol is used to encapsulate Internet Protocol packets
-in IPv4 packets
 for transfer over serial lines or other protocol connections.
 .I Ppp
 can run either as a client or, with the
@@ -130,6 +128,12 @@ disallow packet compression
 .B C
 disallow IP header compression
 .TP
+.B e
+assigns
+.I dev
+to the packet interface device (for identification only),
+but otherwise communicates over standard I/O.
+.TP
 .B f
 make PPP add HDLC framing.  This is necessary when using
 PPP over a serial line or a TCP connection
@@ -169,6 +173,20 @@ before starting the PPP protocol, write
 .I modemcmd
 to the device
 .TP
+.B U
+use
+.I duid
+as the DHCPv6 client identier.
+.I Pppoe
+creates the
+.I duid
+from the ethernet address (DUID-LL) of
+.I dev
+when not specified and passes it on to
+.IR ppp .
+See also
+.IR ipconfig (8)).
+.TP
 .B u
 before starting the PPP protocol with the remote end, shuttle
 bytes between the device and standard I/O until an EOF on standard
@@ -291,6 +309,8 @@ set the receive window to
 .br
 .B /sys/src/cmd/ip/pppoe.c
 .SH SEE ALSO
+.IR ipconfig (8),
 .I gre
 in
 .IR ip (3)
+
-- 
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