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qmap_bridge_mode.c
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/******************************************************************************
@file qmap_bridge_mode.c
@brief Connectivity bridge manager.
DESCRIPTION
Connectivity Management Tool for USB network adapter of Quectel wireless cellular modules.
INITIALIZATION AND SEQUENCING REQUIREMENTS
None.
---------------------------------------------------------------------------
Copyright (c) 2016 - 2020 Quectel Wireless Solution, Co., Ltd. All Rights Reserved.
Quectel Wireless Solution Proprietary and Confidential.
---------------------------------------------------------------------------
******************************************************************************/
#include "QMIThread.h"
static size_t ql_fread(const char *filename, void *buf, size_t size) {
FILE *fp = fopen(filename , "r");
size_t n = 0;
memset(buf, 0x00, size);
if (fp) {
n = fread(buf, 1, size, fp);
if (n <= 0 || n == size) {
dbg_time("warnning: fail to fread(%s), fread=%zu, buf_size=%zu: (%s)", filename, n, size, strerror(errno));
}
fclose(fp);
}
return n > 0 ? n : 0;
}
static size_t ql_fwrite(const char *filename, const void *buf, size_t size) {
FILE *fp = fopen(filename , "w");
size_t n = 0;
if (fp) {
n = fwrite(buf, 1, size, fp);
if (n != size) {
dbg_time("warnning: fail to fwrite(%s), fwrite=%zu, buf_size=%zu: (%s)", filename, n, size, strerror(errno));
}
fclose(fp);
}
return n > 0 ? n : 0;
}
int ql_bridge_mode_detect(PROFILE_T *profile) {
const char *ifname = profile->qmapnet_adapter[0] ? profile->qmapnet_adapter : profile->usbnet_adapter;
const char *driver;
char bridge_mode[128];
char bridge_ipv4[128];
char ipv4[128];
char buf[64];
size_t n;
int in_bridge = 0;
driver = profile->driver_name;
snprintf(bridge_mode, sizeof(bridge_mode), "/sys/class/net/%s/bridge_mode", ifname);
snprintf(bridge_ipv4, sizeof(bridge_ipv4), "/sys/class/net/%s/bridge_ipv4", ifname);
if (access(bridge_ipv4, R_OK)) {
if (errno != ENOENT) {
dbg_time("fail to access %s, errno: %d (%s)", bridge_mode, errno, strerror(errno));
return 0;
}
snprintf(bridge_mode, sizeof(bridge_mode), "/sys/module/%s/parameters/bridge_mode", driver);
snprintf(bridge_ipv4, sizeof(bridge_ipv4), "/sys/module/%s/parameters/bridge_ipv4", driver);
if (access(bridge_mode, R_OK)) {
if (errno != ENOENT) {
dbg_time("fail to access %s, errno: %d (%s)", bridge_mode, errno, strerror(errno));
}
return 0;
}
}
n = ql_fread(bridge_mode, buf, sizeof(buf));
if (n > 0) {
in_bridge = (buf[0] != '0');
}
if (!in_bridge)
return 0;
memset(ipv4, 0, sizeof(ipv4));
if (strstr(bridge_ipv4, "/sys/class/net/") || profile->qmap_mode == 0 || profile->qmap_mode == 1) {
snprintf(ipv4, sizeof(ipv4), "0x%x", profile->ipv4.Address);
dbg_time("echo '%s' > %s", ipv4, bridge_ipv4);
ql_fwrite(bridge_ipv4, ipv4, strlen(ipv4));
}
else {
snprintf(ipv4, sizeof(ipv4), "0x%x:%d", profile->ipv4.Address, profile->muxid);
dbg_time("echo '%s' > %s", ipv4, bridge_ipv4);
ql_fwrite(bridge_ipv4, ipv4, strlen(ipv4));
}
return in_bridge;
}
int ql_enable_qmi_wwan_rawip_mode(PROFILE_T *profile) {
char filename[256];
char buf[4];
size_t n;
FILE *fp;
if (!qmidev_is_qmiwwan(profile->qmichannel))
return 0;
snprintf(filename, sizeof(filename), "/sys/class/net/%s/qmi/rawip", profile->usbnet_adapter);
n = ql_fread(filename, buf, sizeof(buf));
if (n == 0)
return 0;
if (buf[0] == '1' || buf[0] == 'Y')
return 0;
fp = fopen(filename , "w");
if (fp == NULL) {
dbg_time("Fail to fopen(%s, \"w\"), errno: %d (%s)", filename, errno, strerror(errno));
return 1;
}
buf[0] = 'Y';
n = fwrite(buf, 1, 1, fp);
if (n != 1) {
dbg_time("Fail to fwrite(%s), errno: %d (%s)", filename, errno, strerror(errno));
fclose(fp);
return 1;
}
fclose(fp);
return 0;
}
int ql_driver_type_detect(PROFILE_T *profile) {
if (qmidev_is_gobinet(profile->qmichannel)) {
profile->qmi_ops = &gobi_qmidev_ops;
}
else {
profile->qmi_ops = &qmiwwan_qmidev_ops;
}
qmidev_send = profile->qmi_ops->send;
return 0;
}
void ql_set_driver_bridge_mode(PROFILE_T *profile) {
char enable[16];
char filename[256];
if(profile->qmap_mode)
snprintf(filename, sizeof(filename), "/sys/class/net/%s/bridge_mode", profile->qmapnet_adapter);
else
snprintf(filename, sizeof(filename), "/sys/class/net/%s/bridge_mode", profile->usbnet_adapter);
snprintf(enable, sizeof(enable), "%02d\n", profile->enable_bridge);
ql_fwrite(filename, enable, sizeof(enable));
}
static int ql_qmi_qmap_mode_detect(PROFILE_T *profile) {
char buf[128];
int n;
struct {
char filename[255 * 2];
char linkname[255 * 2];
} *pl;
pl = (typeof(pl)) malloc(sizeof(*pl));
snprintf(pl->linkname, sizeof(pl->linkname), "/sys/class/net/%s/device/driver", profile->usbnet_adapter);
n = readlink(pl->linkname, pl->filename, sizeof(pl->filename));
pl->filename[n] = '\0';
while (pl->filename[n] != '/')
n--;
strncpy(profile->driver_name, &pl->filename[n+1], sizeof(profile->driver_name));
ql_get_driver_rmnet_info(profile, &profile->rmnet_info);
if (profile->rmnet_info.size) {
profile->qmap_mode = profile->rmnet_info.qmap_mode;
if (profile->qmap_mode) {
int offset_id = (profile->muxid == 0)? profile->pdp - 1 : profile->muxid - 0x81;
if (profile->qmap_mode == 1)
offset_id = 0;
profile->muxid = profile->rmnet_info.mux_id[offset_id];
strncpy(profile->qmapnet_adapter, profile->rmnet_info.ifname[offset_id], sizeof(profile->qmapnet_adapter));
profile->qmap_size = profile->rmnet_info.rx_urb_size;
profile->qmap_version = profile->rmnet_info.qmap_version;
}
goto _out;
}
snprintf(pl->filename, sizeof(pl->filename), "/sys/class/net/%s/qmap_mode", profile->usbnet_adapter);
if (access(pl->filename, R_OK)) {
if (errno != ENOENT) {
dbg_time("fail to access %s, errno: %d (%s)", pl->filename, errno, strerror(errno));
goto _out;
}
snprintf(pl->filename, sizeof(pl->filename), "/sys/module/%s/parameters/qmap_mode", profile->driver_name);
if (access(pl->filename, R_OK)) {
if (errno != ENOENT) {
dbg_time("fail to access %s, errno: %d (%s)", pl->filename, errno, strerror(errno));
goto _out;
}
snprintf(pl->filename, sizeof(pl->filename), "/sys/class/net/%s/device/driver/module/parameters/qmap_mode", profile->usbnet_adapter);
if (access(pl->filename, R_OK)) {
if (errno != ENOENT) {
dbg_time("fail to access %s, errno: %d (%s)", pl->filename, errno, strerror(errno));
goto _out;
}
}
}
}
if (!access(pl->filename, R_OK)) {
n = ql_fread(pl->filename, buf, sizeof(buf));
if (n > 0) {
profile->qmap_mode = atoi(buf);
if (profile->qmap_mode > 1) {
if(!profile->muxid)
profile->muxid = profile->pdp + 0x80; //muxis is 0x8X for PDN-X
snprintf(profile->qmapnet_adapter, sizeof(profile->qmapnet_adapter),
"%.16s.%d", profile->usbnet_adapter, profile->muxid - 0x80);
} if (profile->qmap_mode == 1) {
profile->muxid = 0x81;
strncpy(profile->qmapnet_adapter, profile->usbnet_adapter, sizeof(profile->qmapnet_adapter));
}
}
}
else if (qmidev_is_qmiwwan(profile->qmichannel)) {
snprintf(pl->filename, sizeof(pl->filename), "/sys/class/net/qmimux%d", profile->pdp - 1);
if (access(pl->filename, R_OK)) {
if (errno != ENOENT) {
dbg_time("fail to access %s, errno: %d (%s)", pl->filename, errno, strerror(errno));
}
goto _out;
}
//upstream Kernel Style QMAP qmi_wwan.c
snprintf(pl->filename, sizeof(pl->filename), "/sys/class/net/%s/qmi/add_mux", profile->usbnet_adapter);
n = ql_fread(pl->filename, buf, sizeof(buf));
if (n >= 5) {
dbg_time("If use QMAP by /sys/class/net/%s/qmi/add_mux", profile->usbnet_adapter);
dbg_time("File:%s Line:%d Please make sure add next patch to qmi_wwan.c", __func__, __LINE__);
/*
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 74bebbd..db8a777 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -379,6 +379,24 @@ static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, c
if (!ret) {
info->flags |= QMI_WWAN_FLAG_MUX;
ret = len;
+#if 1 //Add by Quectel
+ if (le16_to_cpu(dev->udev->descriptor.idVendor) == 0x2c7c) {
+ int idProduct = le16_to_cpu(dev->udev->descriptor.idProduct);
+
+ if (idProduct == 0x0121 || idProduct == 0x0125 || idProduct == 0x0435) //MDM9x07
+ dev->rx_urb_size = 4*1024;
+ else if (idProduct == 0x0306) //MDM9x40
+ dev->rx_urb_size = 16*1024;
+ else if (idProduct == 0x0512) //SDX20
+ dev->rx_urb_size = 32*1024;
+ else if (idProduct == 0x0620) //SDX24
+ dev->rx_urb_size = 32*1024;
+ else if (idProduct == 0x0800) //SDX55
+ dev->rx_urb_size = 32*1024;
+ else
+ dev->rx_urb_size = 32*1024;
+ }
+#endif
}
err:
rtnl_unlock();
*/
profile->qmap_mode = n/5; //0x11\n0x22\n0x33\n
if (profile->qmap_mode > 1) {
//PDN-X map to qmimux-X
if(!profile->muxid) {
profile->muxid = (buf[5*(profile->pdp - 1) + 2] - '0')*16 + (buf[5*(profile->pdp - 1) + 3] - '0');
snprintf(profile->qmapnet_adapter, sizeof(profile->qmapnet_adapter), "qmimux%d", profile->pdp - 1);
} else {
profile->muxid = (buf[5*(profile->muxid - 0x81) + 2] - '0')*16 + (buf[5*(profile->muxid - 0x81) + 3] - '0');
snprintf(profile->qmapnet_adapter, sizeof(profile->qmapnet_adapter), "qmimux%d", profile->muxid - 0x81);
}
} else if (profile->qmap_mode == 1) {
profile->muxid = (buf[5*0 + 2] - '0')*16 + (buf[5*0 + 3] - '0');
snprintf(profile->qmapnet_adapter, sizeof(profile->qmapnet_adapter),
"qmimux%d", 0);
}
}
}
_out:
if (profile->qmap_mode) {
if (profile->qmap_size == 0) {
profile->qmap_size = 16*1024;
snprintf(pl->filename, sizeof(pl->filename), "/sys/class/net/%s/qmap_size", profile->usbnet_adapter);
if (!access(pl->filename, R_OK)) {
size_t n;
char buf[32];
n = ql_fread(pl->filename, buf, sizeof(buf));
if (n > 0) {
profile->qmap_size = atoi(buf);
}
}
}
if (profile->qmap_version == 0) {
profile->qmap_version = WDA_DL_DATA_AGG_QMAP_ENABLED;
}
dbg_time("qmap_mode = %d, qmap_version = %d, qmap_size = %d, muxid = 0x%02x, qmap_netcard = %s",
profile->qmap_mode, profile->qmap_version, profile->qmap_size, profile->muxid, profile->qmapnet_adapter);
}
ql_set_driver_bridge_mode(profile);
free(pl);
return 0;
}
static int ql_mbim_usb_vlan_mode_detect(PROFILE_T *profile) {
char tmp[128];
snprintf(tmp, sizeof(tmp), "/sys/class/net/%s.%d", profile->usbnet_adapter, profile->pdp);
if (!access(tmp, F_OK)) {
profile->qmap_mode = 4;
profile->muxid = profile->pdp;
strncpy(profile->qmapnet_adapter, &tmp[strlen("/sys/class/net/")], sizeof(profile->qmapnet_adapter));
dbg_time("mbim_qmap_mode = %d, vlan_id = 0x%02x, qmap_netcard = %s",
profile->qmap_mode, profile->muxid, profile->qmapnet_adapter);
}
return 0;
}
static int ql_mbim_mhi_qmap_mode_detect(PROFILE_T *profile) {
ql_get_driver_rmnet_info(profile, &profile->rmnet_info);
if (profile->rmnet_info.size) {
profile->qmap_mode = profile->rmnet_info.qmap_mode;
if (profile->qmap_mode) {
int offset_id = profile->pdp - 1;
if (profile->qmap_mode == 1)
offset_id = 0;
profile->muxid = offset_id;
strcpy(profile->qmapnet_adapter, profile->rmnet_info.ifname[offset_id]);
profile->qmap_size = profile->rmnet_info.rx_urb_size;
profile->qmap_version = profile->rmnet_info.qmap_version;
dbg_time("mbim_qmap_mode = %d, vlan_id = 0x%02x, qmap_netcard = %s",
profile->qmap_mode, profile->muxid, profile->qmapnet_adapter);
}
goto _out;
}
_out:
return 0;
}
int ql_qmap_mode_detect(PROFILE_T *profile) {
if (profile->software_interface == SOFTWARE_MBIM) {
if (profile->hardware_interface == HARDWARE_USB)
return ql_mbim_usb_vlan_mode_detect(profile);
else if (profile->hardware_interface == HARDWARE_PCIE)
return ql_mbim_mhi_qmap_mode_detect(profile);
} else if (profile->software_interface == SOFTWARE_QMI) {
return ql_qmi_qmap_mode_detect(profile);
}
return 0;
}