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| author | Lech Perczak <lech.perczak@gmail.com> | 2021-11-06 16:01:02 +0100 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2023-04-29 21:33:05 +0200 |
| commit | e4db21b413e65bdfe0491a0ff5749d0bdfde04d4 (patch) | |
| tree | dc6f047dbf926714f9aab73b27525848cd2db6f6 | |
| parent | 2bfbc2dbd8b0d9570a8df0d8d8db93c2a9fcec01 (diff) | |
| download | upstream-e4db21b413e65bdfe0491a0ff5749d0bdfde04d4.tar.gz upstream-e4db21b413e65bdfe0491a0ff5749d0bdfde04d4.tar.bz2 upstream-e4db21b413e65bdfe0491a0ff5749d0bdfde04d4.zip | |
umbim: handle MTU configuration
Allow setting interface MTU through UCI. If this is not set,
use MBIM-provided MTU, if provided through control channel.
If separate MTUs are provided for IPv4 and IPv6, apply larger of them.
This is very unlikely and possible only for IPv4v6 dual-stack configuration.
Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
| -rwxr-xr-x | package/network/utils/umbim/files/lib/netifd/proto/mbim.sh | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/package/network/utils/umbim/files/lib/netifd/proto/mbim.sh b/package/network/utils/umbim/files/lib/netifd/proto/mbim.sh index eab5cf3de6..7ac3cb1c70 100755 --- a/package/network/utils/umbim/files/lib/netifd/proto/mbim.sh +++ b/package/network/utils/umbim/files/lib/netifd/proto/mbim.sh @@ -23,6 +23,7 @@ proto_mbim_init_config() { proto_config_add_boolean dhcp proto_config_add_boolean dhcpv6 proto_config_add_string pdptype + proto_config_add_int mtu proto_config_add_defaults } @@ -44,9 +45,9 @@ _proto_mbim_setup() { local ret local device apn pincode delay auth username password allow_roaming allow_partner - local dhcp dhcpv6 pdptype ip4table ip6table $PROTO_DEFAULT_OPTIONS + local dhcp dhcpv6 pdptype ip4table ip6table mtu $PROTO_DEFAULT_OPTIONS json_get_vars device apn pincode delay auth username password allow_roaming allow_partner - json_get_vars dhcp dhcpv6 pdptype ip4table ip6table $PROTO_DEFAULT_OPTIONS + json_get_vars dhcp dhcpv6 pdptype ip4table ip6table mtu $PROTO_DEFAULT_OPTIONS [ ! -e /proc/sys/net/ipv6 ] && ipv6=0 || json_get_var ipv6 ipv6 @@ -294,6 +295,19 @@ _proto_mbim_setup() { fi } + [ -z "$mtu" ] && { + local ipv4mtu=$(_proto_mbim_get_field ipv4mtu "$mbimconfig") + ipv4mtu="${ipv4mtu:-0}" + local ipv6mtu=$(_proto_mbim_get_field ipv6mtu "$mbimconfig") + ipv6mtu="${ipv6mtu:-0}" + + mtu=$((ipv6mtu > ipv4mtu ? ipv6mtu : ipv4mtu)) + } + [ -n "$mtu" -a "$mtu" != 0 ] && { + echo Setting MTU of $ifname to $mtu + /sbin/ip link set dev $ifname mtu $mtu + } + uci_set_state network $interface tid "$tid" } |