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The capwap data channel migrated from userspace to kernalspace

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This commit is contained in:
vemax78
2014-09-10 21:58:23 +02:00
parent 71006a9121
commit 8d9985fdea
104 changed files with 6967 additions and 4840 deletions
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78
src/ac/ac.c
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@ -37,9 +37,13 @@ static int ac_init(void) {
/* Network */
capwap_network_init(&g_ac.net);
g_ac.addrlist = capwap_list_create();
g_ac.mtu = CAPWAP_MTU_DEFAULT;
g_ac.binding = capwap_array_create(sizeof(uint16_t), 0, 0);
g_ac.net.bind_sock_ctrl_port = CAPWAP_CONTROL_PORT;
/* Try to use IPv6 */
g_ac.net.localaddr.ss.ss_family = AF_INET6;
CAPWAP_SET_NETWORK_PORT(&g_ac.net.localaddr, CAPWAP_CONTROL_PORT);
/* Standard name */
g_ac.acname.name = (uint8_t*)capwap_duplicate_string(AC_STANDARD_NAME);
@ -134,6 +138,7 @@ static void ac_destroy(void) {
}
capwap_array_free(g_ac.availablebackends);
capwap_list_free(g_ac.addrlist);
}
/* Help */
@ -144,8 +149,6 @@ static void ac_print_usage(void) {
static int ac_parsing_configuration_1_0(config_t* config) {
int i;
int configBool;
int configIPv4;
int configIPv6;
LIBCONFIG_LOOKUP_INT_ARG configInt;
const char* configString;
config_setting_t* configSetting;
@ -519,7 +522,7 @@ static int ac_parsing_configuration_1_0(config_t* config) {
return 0;
}
strcpy(g_ac.net.bind_interface, configString);
strcpy(g_ac.net.bindiface, configString);
}
/* Set mtu of AC */
@ -532,16 +535,6 @@ static int ac_parsing_configuration_1_0(config_t* config) {
}
}
/* Set network port of WTP */
if (config_lookup_int(config, "application.network.port", &configInt) == CONFIG_TRUE) {
if ((configInt > 0) && (configInt < 65535)) {
g_ac.net.bind_sock_ctrl_port = (unsigned short)configInt;
} else {
capwap_logging_error("Invalid configuration file, invalid application.network.port value");
return 0;
}
}
/* Set transport of AC */
if (config_lookup_string(config, "application.network.transport", &configString) == CONFIG_TRUE) {
if (!strcmp(configString, "udp")) {
@ -554,35 +547,6 @@ static int ac_parsing_configuration_1_0(config_t* config) {
}
}
/* Set ipv4 & ipv6 of AC */
if (config_lookup_bool(config, "application.network.ipv4", &configIPv4) != CONFIG_TRUE) {
configIPv4 = 1;
}
if (config_lookup_bool(config, "application.network.ipv6", &configIPv6) != CONFIG_TRUE) {
configIPv6 = 1;
}
if (configIPv4 && configIPv6) {
g_ac.net.sock_family = AF_UNSPEC;
} else if (!configIPv4 && !configIPv6) {
capwap_logging_error("Invalid configuration file, request enable application.network.ipv4 or application.network.ipv6");
return 0;
} else {
g_ac.net.sock_family = (configIPv4 ? AF_INET : AF_INET6);
}
/* Set ip dual stack of WTP */
if (config_lookup_bool(config, "application.network.ipdualstack", &configBool) == CONFIG_TRUE) {
if (!configBool) {
g_ac.net.bind_ctrl_flags |= CAPWAP_IPV6ONLY_FLAG;
g_ac.net.bind_data_flags |= CAPWAP_IPV6ONLY_FLAG;
} else {
g_ac.net.bind_ctrl_flags &= ~CAPWAP_IPV6ONLY_FLAG;
g_ac.net.bind_data_flags &= ~CAPWAP_IPV6ONLY_FLAG;
}
}
/* Backend */
if (config_lookup_string(config, "backend.id", &configString) == CONFIG_TRUE) {
if (strlen(configString) > 0) {
@ -754,12 +718,15 @@ static int ac_load_configuration(int argc, char** argv) {
/* Init AC */
static int ac_configure(void) {
/* Bind to any address */
if (!capwap_bind_sockets(&g_ac.net)) {
/* Bind control channel to any address */
if (capwap_bind_sockets(&g_ac.net)) {
capwap_logging_fatal("Cannot bind address");
return AC_ERROR_NETWORK;
}
/* Detect local address */
capwap_interface_list(&g_ac.net, g_ac.addrlist);
return CAPWAP_SUCCESSFUL;
}
@ -834,24 +801,27 @@ int main(int argc, char** argv) {
result = ac_configure();
if (result == CAPWAP_SUCCESSFUL) {
/* Connect AC to kernel module */
value = ac_kmod_init();
if (!value || !g_ac.kmodrequest) {
if (ac_kmod_isconnected()) {
if (!ac_kmod_init(16, 4)) {
/* Bind data channel */
if (!ac_kmod_createdatachannel(g_ac.net.localaddr.ss.ss_family, CAPWAP_GET_NETWORK_PORT(&g_ac.net.localaddr) + 1)) {
capwap_logging_info("SmartCAPWAP kernel module connected");
/* Running AC */
result = ac_execute();
} else {
capwap_logging_fatal("Unable to create kernel data channel");
}
/* Running AC */
result = ac_execute();
/* Close connection */
ac_close();
/* Disconnect kernel module */
ac_kmod_free();
} else {
capwap_logging_fatal("Unable to connect to kernel module");
}
/* Close connection */
ac_close();
}
}
/* Free memory */