[OpenWrt-Devel] [PATCH v2] uqmi: Add proper IPv6 support

[Antti Seppälä]

On 10 September 2015 at 22:03, Matti Laakso <malaakso at elisanet.fi> wrote:
> Use the new --ip-family option to start both IPv4 and IPv6 sessions
> by default. Autoconnect can't be used when starting two sessions,
> so revert back to using the client IDs and packet data handles for
> handling the network connection.
>
> Some modem firmwares do not implement a RA server, therefore by
> default use outband IP configuration and static addressing. Some
> other firmwares report bogus IP configuration with the WDS get
> current settings command. In this case inband configuration with
> DHCP/RA can be optionally enabled by setting option dhcp to 1.
>
> Per 3GPP standard a /64 prefix is served to all clients, which is
> extended to LAN as specified in RFC 7278.
>
> v2: Restrict the IPv6 gateway route source address
> Signed-off-by: Matti Laakso <malaakso at elisanet.fi>

Hi Matti.

I built openwrt with uqmi built into the squashfs with your patch
applied and for some reason the qmi.sh does not get execute bit when
installed:

root at OpenWrt:~# ls -l /lib/netifd/proto/
-rwxr-xr-x    1 root     root          2430 Sep  16 20:30 3g.sh
-rwxr-xr-x    1 root     root          2165 Sep  16 20:30 dhcp.sh
-rwxr-xr-x    1 root     root          3508 Sep  16 20:30 dhcpv6.sh
-rwxr-xr-x    1 root     root          3393 Sep  16 20:30 openconnect.sh
-rwxr-xr-x    1 root     root          6945 Sep  16 20:30 ppp.sh
-rw-r--r--    1 root     root          6557 Sep  16 20:30 qmi.sh
-rwxr-xr-x    1 root     root          3325 Sep  16 20:30 wwan.sh

Apparently the protocol won't then load properly. Any idea why this
is? Applying chmod +x to the file makes the protocol work.

The other thing I was wondering is the tests for the new boolean
variables with -z. E.g if there now is an explicit config directive to
set dhcp off ("option dhcp 0") then dhcp would still be enabled.

I think the recommended design is to use something along the lines of:
if [ "${boolean_variable:-0}" -gt 0 ]; then whatever; fi
It looks like this should maybe apply to both dhcp and ipv6 variables?

Br,
-Antti
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