| Component | Description | |-----------|-------------| | mss_ver.3 | Found in Exynos 8890/8895 (S7/S8) modem firmwares | | samsung-ipc | FOSS project implementing IPC with MSS | | /dev/mss* | Used by rild or secril for voice/data |
void mss_send_command(const char *cmd) if (write(mss_fd, cmd, strlen(cmd)) != (ssize_t)strlen(cmd)) perror("Write to modem failed"); samsung android modem device driver -mss ver.3-
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <fcntl.h> #include <unistd.h> #include <termios.h> #include <sys/ioctl.h> samsung android modem device driver -mss ver.3-
cat /sys/module/mss_modem/version
This driver is a marvel of low-level embedded engineering—mixing DMA, power management, real-time constraints, and Android’s asynchronous RIL. As Samsung continues to move toward more virtualized and standardized modem interfaces, MSS Ver.3 will be remembered as the mature backbone of 4G and early 5G Galaxy devices. samsung android modem device driver -mss ver.3-