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| author | Jeff Hatch <jhatch@multitech.com> | 2019-07-29 09:14:46 -0500 |
|---|---|---|
| committer | John Klug <john.klug@multitech.com> | 2019-11-11 09:30:13 -0600 |
| commit | 992f5f7bfdd745e17fe84063f1b103d75d293b3a (patch) | |
| tree | 32205818420ab835f8a5e49ce33a673230ef6b23 | |
| parent | 095f3fa2d32a9e870752bbcc89209128ef3fee69 (diff) | |
| download | meta-multitech-992f5f7bfdd745e17fe84063f1b103d75d293b3a.tar.gz meta-multitech-992f5f7bfdd745e17fe84063f1b103d75d293b3a.tar.bz2 meta-multitech-992f5f7bfdd745e17fe84063f1b103d75d293b3a.zip | |
Additional updates to qmi for Quectel radio support
| -rw-r--r-- | recipes-kernel/linux/linux-at91-4.9.87/linux-4.9-quectel_qmi_wwan_support.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-at91-4.9.87/linux-4.9-quectel_qmi_wwan_support.patch b/recipes-kernel/linux/linux-at91-4.9.87/linux-4.9-quectel_qmi_wwan_support.patch new file mode 100644 index 0000000..d0b5fe0 --- /dev/null +++ b/recipes-kernel/linux/linux-at91-4.9.87/linux-4.9-quectel_qmi_wwan_support.patch @@ -0,0 +1,73 @@ +Patch for QMI WWAN Driver to support the Quectel EG95 device. +================================================================================== +--- a/drivers/net/usb/qmi_wwan.c 2019-06-25 18:33:52.000000000 +0300 ++++ b/drivers/net/usb/qmi_wwan.c 2019-06-25 18:38:06.858767868 +0300 +@@ -224,6 +224,23 @@ + return 1; + } + ++struct sk_buff *qmi_wwan_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) ++{ ++ if (dev->udev->descriptor.idVendor != cpu_to_le16(0x2c7c)) ++ return skb; ++ ++ // Skip Ethernet header from message ++ if (skb_pull(skb, ETH_HLEN)) { ++ return skb; ++ } else { ++ dev_err(&dev->intf->dev, "Packet Dropped "); ++ } ++ ++ // Filter the packet out, release it ++ dev_kfree_skb_any(skb); ++ return NULL; ++} ++ + /* very simplistic detection of IPv4 or IPv6 headers */ + static bool possibly_iphdr(const char *data) + { +@@ -445,6 +462,20 @@ + } + dev->net->netdev_ops = &qmi_wwan_netdev_ops; + dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; ++ ++ if (dev->udev->descriptor.idVendor == cpu_to_le16(0x2c7c)) { ++ dev_info(&intf->dev, "Quectel EG95 work on RawIP mode\n"); ++ dev->net->flags |= IFF_NOARP; ++ ++ usb_control_msg( ++ interface_to_usbdev(intf), ++ usb_sndctrlpipe(interface_to_usbdev(intf), 0), ++ 0x22, //USB_CDC_REQ_SET_CONTROL_LINE_STATE ++ 0x21, //USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE ++ 1, //active CDC DTR ++ intf->cur_altsetting->desc.bInterfaceNumber, ++ NULL, 0, 100); ++ } + err: + return status; + } +@@ -536,6 +567,7 @@ + .unbind = qmi_wwan_unbind, + .manage_power = qmi_wwan_manage_power, + .rx_fixup = qmi_wwan_rx_fixup, ++ .tx_fixup = qmi_wwan_tx_fixup, + }; + + static const struct driver_info qmi_wwan_info_quirk_dtr = { +@@ -545,6 +577,7 @@ + .unbind = qmi_wwan_unbind, + .manage_power = qmi_wwan_manage_power, + .rx_fixup = qmi_wwan_rx_fixup, ++ .tx_fixup = qmi_wwan_tx_fixup, + .data = QMI_WWAN_QUIRK_DTR, + }; + +@@ -947,6 +980,7 @@ + {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ + {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ + {QMI_QUIRK_SET_DTR(0x2c7c, 0x0306, 4)}, /* Quectel EP06 Mini PCIe */ ++ {QMI_FIXED_INTF(0x2c7c, 0x0195, 4)}, /* Quectel EG95 */ + + /* 4. Gobi 1000 devices */ + {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ |