Hi! Will this also apply to the Sierra MC7430, as it is also raw-ip only? If I am not mistaken it is the same as the MC7455, just for the Asia/Pacific region. I would be able to verify this patch on the device. To verify that it works, do I just look for /sys/class/net/$ifname/qmi/raw_ip ?
Nicholas smith.nicholas...@gmail.com > On 28 Nov 2017, at 3:31 am, Koen Vandeputte <koen.vandepu...@ncentric.com> > wrote: > > Some newer LTE modems, like the MC7455 or EC25-E do not support > "802.3" mode, and will stay in "raw-ip" regardless of the mode being > set. > > In this case, the driver must be informed that it should handle all > packets in raw mode. [1] > > This commit fixes connectivity issues for these devices. > > Before: > > [ Node 5 ] udhcpc -i wwan0 > udhcpc: started, v1.27.2 > udhcpc: sending discover > udhcpc: sending discover > udhcpc: sending discover > > After: > > [ Node 5 ] udhcpc -i wwan0 > udhcpc: started, v1.27.2 > udhcpc: sending discover > udhcpc: sending select for 100.66.245.226 > udhcpc: lease of 100.66.245.226 obtained, lease time 7200 > udhcpc: ifconfig wwan0 100.66.245.226 netmask 255.255.255.252 broadcast > + > udhcpc: setting default routers: 100.66.245.225 > > [1] https://lists.freedesktop.org/archives/libqmi- > devel/2017-January/002064.html > > Tested on cns3xxx using a Sierra Wireless MC7455 LTE-A > > Signed-off-by: Koen Vandeputte <koen.vandepu...@ncentric.com> > --- > > V2: Add existence test for required driver attribute. Bail out in case it's > needed but doesn't exist > > > package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh | 15 ++++++++++++++- > 1 file changed, 14 insertions(+), 1 deletion(-) > > 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 9c953ea..9a534d4 100755 > --- a/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh > +++ b/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh > @@ -27,7 +27,7 @@ proto_qmi_init_config() { > > proto_qmi_setup() { > local interface="$1" > - > + local dataformat > local device apn auth username password pincode delay modes pdptype > profile dhcpv6 autoconnect plmn $PROTO_DEFAULT_OPTIONS > local cid_4 pdh_4 cid_6 pdh_6 > local ip_6 ip_prefix_length gateway_6 dns1_6 dns2_6 > @@ -99,6 +99,19 @@ proto_qmi_setup() { > > uqmi -s -d "$device" --set-data-format 802.3 > uqmi -s -d "$device" --wda-set-data-format 802.3 > + dataformat="$(uqmi -s -d "$device" --wda-get-data-format)" > + > + if [ "$dataformat" = '"raw-ip"' ]; then > + > + [ -f /sys/class/net/$ifname/qmi/raw_ip ] || { > + echo "Device only supports raw-ip mode but is missing > this required driver attribute: /sys/class/net/$ifname/qmi/raw_ip" > + return 1 > + } > + > + echo "Device does not support 802.3 mode. Informing driver of > raw-ip only for $ifname .." > + echo "Y" > /sys/class/net/$ifname/qmi/raw_ip > + fi > + > uqmi -s -d "$device" --sync > > echo "Waiting for network registration" > -- > 2.7.4 > > > _______________________________________________ > Lede-dev mailing list > Lede-dev@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/lede-dev _______________________________________________ Lede-dev mailing list Lede-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/lede-dev