ppp: remove hardcoded lcp-echo-failure, lcp-echo-interval values

OpenWrt used to ship hardcoded defaults for lcp-echo-failure and
lcp-echo-interval in the non-uci /etc/ppp/options file.

These values break uci support for *disabling* LCP echos through
the use of "option keepalive 0" as either omitting the keepalive
option or setting it to 0 will result in no lcp-echo-* flags
getting passed to the pppd cmdline, causing the pppd process to
revert to the defaults in /etc/ppp/options.

Address this issue by letting the uci "keepalive" option default
to the former hardcoded values "5, 1" and by removing the fixed
lcp-echo-failure and lcp-echo-interval settings from the
/etc/ppp/options files.

Ref: https://github.com/openwrt/luci/issues/2112
Ref: https://dev.archive.openwrt.org/ticket/2373.html
Ref: https://bugs.openwrt.org/index.php?do=details&task_id=854
Ref: https://bugs.openwrt.org/index.php?do=details&task_id=1259
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
master
Jo-Philipp Wich 6 years ago
parent 4302c917cc
commit 555c592304
  1. 2
      package/network/services/ppp/files/etc/ppp/options
  2. 2
      package/network/services/ppp/files/ppp.sh

@ -6,5 +6,3 @@ nopcomp
nocrtscts
lock
maxfail 0
lcp-echo-failure 5
lcp-echo-interval 1

@ -120,6 +120,8 @@ ppp_generic_setup() {
}
}
[ -n "$keepalive" ] || keepalive="5 1"
local lcp_failure="${keepalive%%[, ]*}"
local lcp_interval="${keepalive##*[, ]}"
local lcp_adaptive="lcp-echo-adaptive"

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