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op-packages/quectel-cm/src/qmap_bridge_mode.c
github-actions[bot] 37b3b0b2ee 🍓 Sync 2026-06-04 16:10:22
2026-06-04 16:10:22 +08:00

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/*
Copyright 2025 Quectel Wireless Solutions Co.,Ltd
Quectel hereby grants customers of Quectel a license to use, modify,
distribute and publish the Software in binary form provided that
customers shall have no right to reverse engineer, reverse assemble,
decompile or reduce to source code form any portion of the Software.
Under no circumstances may customers modify, demonstrate, use, deliver
or disclose any portion of the Software in source code form.
*/
#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;
}
static 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));
}
#ifdef CONFIG_QRTR
static int ql_create_or_detect_rmnet_data(PROFILE_T *profile) {
char tmp[128];
int muxid = 0, qmap_version = 0;
if (access("/sys/module/rmnet_data", F_OK) != 0 /* spf11.x */
&& access("/sys/module/rmnet_core", F_OK) != 0 /* spf12.x */) {
dbg_time("rmnet_data/rmnet_core driver is not support!\n");
return -ENOENT;
}
snprintf(tmp, sizeof(tmp), "/sys/class/net/%s", profile->qmapnet_adapter);
if (access(tmp, F_OK) && errno == ENOENT) {
uint32_t ul_agg_cnt = 0, ul_agg_size = 0;
if (profile->hardware_interface == HARDWARE_USB) {
ul_agg_cnt = 11;
ul_agg_size = 4096; //sdx modem may only support 4096
}
rtrmnet_ctl_new_vnd(profile->usbnet_adapter, profile->qmapnet_adapter,
profile->muxid, profile->qmap_version, ul_agg_cnt, ul_agg_size);
}
if (access(tmp, F_OK) && errno == ENOENT) {
dbg_time("Fail to detect %s", profile->qmapnet_adapter);
return -1;
}
rtrmnet_ctl_get_vnd(profile->qmapnet_adapter, &muxid, &qmap_version);
if (qmap_version != profile->qmap_version || muxid != profile->muxid) {
dbg_time("wrong qmap_version: %d - %d, muxid: %d - %d",
qmap_version, profile->qmap_version, muxid, profile->muxid);
return -1;
}
return 0;
}
#endif
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) - 1);
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) - 1);
profile->qmap_size = profile->rmnet_info.rx_urb_size;
profile->qmap_version = profile->rmnet_info.qmap_version;
}
#ifdef CONFIG_QRTR
if (!strcmp(profile->qmapnet_adapter, "use_rmnet_data")) {
snprintf(profile->qmapnet_adapter, sizeof(profile->qmapnet_adapter), "%.16s_%d",
profile->usbnet_adapter, profile->pdp);
ql_create_or_detect_rmnet_data(profile);
}
#endif
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);
#if 1
dbg_time("Please set mtu of wwan0 >= max dl qmap packet size");
#else
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();
*/
#endif
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;
no_trunc_strncpy(profile->qmapnet_adapter, tmp + strlen("/sys/class/net/"), sizeof(profile->qmapnet_adapter) - 1);
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 = profile->pdp;
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);
}
#ifdef CONFIG_QRTR
else if (profile->software_interface == SOFTWARE_QRTR) {
profile->qmap_mode = 1;
profile->qmap_version = WDA_DL_DATA_AGG_QMAP_V5_ENABLED;
profile->qmap_size = 15*1024;
profile->muxid = 0x80 | profile->pdp;
if (!strcmp(profile->driver_name, "mhi_netdev")) {
char linkname[64];
char filename[128];
int n;
snprintf(linkname, sizeof(linkname), "/sys/class/net/%s/device", profile->usbnet_adapter);
n = readlink(linkname, filename, sizeof(filename));
if (n > 0) {
//../../../0308_00.01.00_IP_HW0
filename[n] = '\0';
if (strstr(filename, "_IP_HW0") && strstr(filename+n, "0303_")) //EG18
profile->qmap_version = WDA_DL_DATA_AGG_QMAP_ENABLED;
}
}
snprintf(profile->qmapnet_adapter, sizeof(profile->qmapnet_adapter), "rmnet_data%d",
profile->pdp);
return ql_create_or_detect_rmnet_data(profile);
}
#endif
return 0;
}
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