uqmi: wait before creating PDP connection

The modem needs a short moment before it can establish a PDP session
after it attached to the network.

Wait 5 seconds before attempting to create a PDP session. Otherwise,
this process is very racy and might take multiple attempts after a
connection is initially lost.

Signed-off-by: David Bauer <mail@david-bauer.net>

diff --git a/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh b/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh
index 025cfde9bf5f4b761392d07f07b4cc17822d1c24..3e538a73eea17b0ccdd27f9b58dfc60c67da28f2 100755 (executable)
--- a/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh
+++ b/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh
@@ -278,6 +278,8 @@ proto_qmi_setup() {
 
        [ -n "$modes" ] && uqmi -s -d "$device" --set-network-modes "$modes" > /dev/null 2>&1
 
+       sleep 5
+
        echo "Starting network $interface"
 
        pdptype="$(echo "$pdptype" | awk '{print tolower($0)}')"