--- /dev/null
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--- /dev/null
+/*
+ * Network Configuration Module
+ *
+ * Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <sys/utsname.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <stddef.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "wifi-log.h"
+
+#define WIFI_MAC_INFO_PATH "/opt/etc/.mac.info"
+
+#define WIFI_MODULE_NAME "sprdwl.ko"
+#define WIFI_MODULE_PATH_PREFIX "/lib/modules/"
+#define WIFI_MODULE_PATH_POSTFIX "/kernel/drivers/net/wireless/sc2331/"WIFI_MODULE_NAME
+
+#ifndef TEMP_FAILURE_RETRY
+/* Used to retry syscalls that can return EINTR. */
+#define TEMP_FAILURE_RETRY(exp) ({ \
+ typeof (exp) _rc; \
+ do { \
+ _rc = (exp); \
+ } while (_rc == -1 && errno == EINTR); \
+ _rc; })
+#endif
+
+#define WCND_SOCKET_NAME "/tmp/wcnd"
+#define WCND_CMD_STR_START_CP2 "wcn WIFI-OPEN"
+#define WCND_CMD_STR_STOP_CP2 "wcn WIFI-CLOSE"
+#define WCND_RESP_STR_WIFI_OK "WCNBTWIFI-CMD OK"
+
+static int wcnd_socket = -1;
+
+static int socket_local_client(const char *path, int type)
+{
+ int s;
+ struct sockaddr_un addr;
+ socklen_t alen;
+ size_t pathlen;
+
+ s = socket(AF_LOCAL, type, 0);
+ if (s < 0) return -1;
+
+ memset(&addr, 0, sizeof(addr));
+
+ addr.sun_family = AF_LOCAL;
+
+ pathlen = strlen(path);
+ if (pathlen > sizeof(addr)
+ - offsetof(struct sockaddr_un, sun_path) - 1) {
+ close(s);
+ return -1;
+ }
+
+ addr.sun_path[0] = 0;
+ memcpy(addr.sun_path + 1, path, pathlen);
+
+ alen = pathlen + offsetof(struct sockaddr_un, sun_path) + 1;
+
+ if (connect(s, (struct sockaddr *)&addr, alen) < 0) {
+ close(s);
+ return -1;
+ }
+
+ return s;
+}
+
+static int connect_wcnd(void)
+{
+ int client_fd = -1;
+
+ client_fd = socket_local_client(WCND_SOCKET_NAME, SOCK_STREAM);
+
+ while (client_fd < 0)
+ {
+ WIFI_LOGE("%s: Unable bind server %s, waiting...", __func__, WCND_SOCKET_NAME);
+ usleep(100*1000);
+ client_fd = socket_local_client(WCND_SOCKET_NAME, SOCK_STREAM);
+ }
+
+ return client_fd;
+}
+
+static int start_cp2(void)
+{
+ char buffer[128];
+ int n = 0;
+ int ret = 0;
+
+ WIFI_LOGE("%s: send %s to %s",__func__, WCND_CMD_STR_START_CP2, WCND_SOCKET_NAME);
+
+ memset(buffer, 0, 128);
+
+ n = strlen(WCND_CMD_STR_START_CP2) + 1;
+
+ TEMP_FAILURE_RETRY(write(wcnd_socket, WCND_CMD_STR_START_CP2, n));
+
+ memset(buffer, 0, 128);
+
+ WIFI_LOGE("%s: waiting for server %s",__func__, WCND_SOCKET_NAME);
+ n = read(wcnd_socket, buffer, sizeof(buffer) - 1);
+
+ WIFI_LOGE("%s: get %d bytes %s", __func__, n, buffer);
+
+ if (!strstr(buffer, WCND_RESP_STR_WIFI_OK)) ret = -1;
+
+ return ret;
+}
+
+static int stop_cp2(void)
+{
+ char buffer[128];
+ int n = 0;
+ int ret = 0;
+
+ WIFI_LOGE("%s: send %s to %s",__func__, WCND_CMD_STR_STOP_CP2, WCND_SOCKET_NAME);
+
+ memset(buffer, 0, 128);
+
+ n = strlen(WCND_CMD_STR_STOP_CP2) + 1;
+
+ TEMP_FAILURE_RETRY(write(wcnd_socket, WCND_CMD_STR_STOP_CP2, n));
+
+ memset(buffer, 0, 128);
+
+ WIFI_LOGE("%s: waiting for server %s",__func__, WCND_SOCKET_NAME);
+ n = read(wcnd_socket, buffer, sizeof(buffer) - 1);
+
+ WIFI_LOGE("%s: get %d bytes %s", __func__, n, buffer);
+
+ if (!strstr(buffer, WCND_RESP_STR_WIFI_OK)) ret = -1;
+
+ return ret;
+}
+
+static int wifi_find_module_path(char *path)
+{
+ struct utsname buf;
+
+ uname(&buf);
+
+ strcat(path, buf.release);
+ strcat(path, WIFI_MODULE_PATH_POSTFIX);
+
+ WIFI_LOGE("path = %s", path);
+ return 0;
+}
+
+static void *wifi_load_module(const char *path, int *len)
+{
+ char *buf = NULL;
+ int fd, size;
+
+ fd = open(path, O_RDONLY);
+ if (fd < 0)
+ return 0;
+
+ size = lseek(fd, 0, SEEK_END);
+ if (size < 0)
+ goto error;
+
+ if (lseek(fd, 0, SEEK_SET) != 0)
+ goto error;
+
+ buf = (char *) malloc(size+1);
+ if (buf == NULL)
+ goto error;
+
+ if (read(fd, buf, size) != size)
+ goto error;
+
+ close(fd);
+ buf[size] = 0;
+
+ if(len)
+ *len = size;
+
+ return buf;
+
+error:
+ close(fd);
+ if (buf != 0)
+ free(buf);
+
+ return 0;
+}
+
+static int insmod(const char *path, const char *args)
+{
+ void *module;
+ int len, ret;
+
+ module = wifi_load_module(path, &len);
+ if (!module)
+ return -1;
+
+ ret = init_module(module, len, args);
+
+ if (ret != 0) {
+ WIFI_LOGE("insmod failed ret = %d, %s", ret, strerror(errno));
+ if (errno == EEXIST)
+ ret = 0;
+ }
+
+ free(module);
+
+ return ret;
+}
+
+static int rmmod(char *modname)
+{
+ int ret = -1;
+ int len;
+
+ len = strlen(modname);
+ modname[len-3] = 0;
+
+ WIFI_LOGE("modname = %s", modname);
+
+ ret = delete_module(modname, O_NONBLOCK | O_EXCL);
+ if (ret < 0)
+ WIFI_LOGE("rmmmod failed %s: ret = %d, %s", modname, ret, strerror(errno));
+
+ return ret;
+}
+
+static int wifi_check_mac_info()
+{
+ FILE *file = NULL;
+ char buf[20];
+ int ret = 0;
+
+ file = fopen(WIFI_MAC_INFO_PATH, "r");
+ if (file == NULL) {
+ WIFI_LOGE("Failed to open %s", WIFI_MAC_INFO_PATH);
+ return -1;
+ }
+
+ if(!fgets(buf, sizeof(buf), file)) {
+ WIFI_LOGE("Failed to read %s. Remove file", WIFI_MAC_INFO_PATH);
+ fclose(file);
+ ret = remove(WIFI_MAC_INFO_PATH);
+ if (ret < 0)
+ WIFI_LOGE("%s file remove failed", WIFI_MAC_INFO_PATH);
+ return -1;
+ }
+ fclose(file);
+
+ WIFI_LOGE("Successfully read %s. MAC : ", WIFI_MAC_INFO_PATH, buf);
+
+ return 0;
+}
+
+static int __wifi_start(int mode)
+{
+ char wifi_module_path[100] = WIFI_MODULE_PATH_PREFIX;
+ int i, ret = 0;
+
+ WIFI_LOGE("mode = %d", mode);
+
+ ret = wifi_find_module_path(wifi_module_path);
+ if (ret < 0) {
+ WIFI_LOGE("wifi_find_module_path failed");
+ return -1;
+ }
+
+ if (wcnd_socket < 0)
+ wcnd_socket = connect_wcnd();
+
+ if (wcnd_socket > 0 && (start_cp2() < 0))
+ WIFI_LOGE("start CP2 FAIL");
+
+/* if (mode == 3)
+ ret = insmod(wifi_module_path, "con_mode=5");
+ else */
+ ret = insmod(wifi_module_path, "");
+
+ return ret;
+}
+
+static int wifi_start()
+{
+ int ret = 0;
+
+ ret = __wifi_start(1);
+ if (ret < 0) {
+ WIFI_LOGE("__wifi_start(1) failed");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int wifi_softap()
+{
+ int ret = 0;
+
+ ret = __wifi_start(2);
+ if (ret < 0) {
+ WIFI_LOGE("__wifi_start(2) failed");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int wifi_rftest()
+{
+ int ret = 0;
+
+ ret = __wifi_start(3);
+ if (ret < 0) {
+ WIFI_LOGE("__wifi_start(3) failed");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int wifi_stop()
+{
+ char wifi_module_name[20] = WIFI_MODULE_NAME;
+ int ret = 0;
+
+ WIFI_LOGE("wifi_stop called");
+
+ ret = rmmod(wifi_module_name);
+ if (ret < 0) {
+ WIFI_LOGE("rmmod failed");
+ return -1;
+ }
+
+ if (wcnd_socket < 0)
+ wcnd_socket = connect_wcnd();
+
+ if (wcnd_socket > 0 && (stop_cp2() < 0))
+ WIFI_LOGE("stop CP2 FAIL");
+
+ return 0;
+}
+
+static int wifi_check_hw()
+{
+ int ret = 0;
+
+ ret = wifi_check_mac_info();
+ if (ret < 0) {
+ WIFI_LOGE("There is no %s file", WIFI_MAC_INFO_PATH);
+
+ ret = __wifi_start(4);
+ if (ret < 0) {
+ WIFI_LOGE("__wifi_start(4) failed");
+ return -1;
+ }
+
+ usleep(200000);
+
+ ret = wifi_stop();
+ if (ret < 0) {
+ WIFI_LOGE("wifi_stop() failed");
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ int ret = 0;
+
+ if (argc != 2) {
+ WIFI_LOGE("Usage: wifi <mode>");
+ return -1;
+ }
+
+ ret = wifi_check_hw();
+ if (ret < 0)
+ return ret;
+
+ if (strcmp(argv[1], "start") == 0 || strcmp(argv[1], "p2p") == 0)
+ ret = wifi_start();
+ else if (strcmp(argv[1], "softap") == 0)
+ ret = wifi_softap();
+ else if (strcmp(argv[1], "rftest") == 0)
+ ret = wifi_rftest();
+ else if (strcmp(argv[1], "check_hw") == 0);
+ else if (strcmp(argv[1], "stop") == 0)
+ ret = wifi_stop();
+
+ return ret;
+}
projects / adaptation / devices / wlandrv-plugin-sprd.git / commitdiff