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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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54
src/wtp/binding/ieee80211/wifi_drivers.c
View File

@ -3,6 +3,7 @@
#include "capwap_element.h"
#include "wifi_drivers.h"
#include "wtp_radio.h"
#include "wtp_kmod.h"
/* Declare enable wifi driver */
#ifdef ENABLE_WIFI_DRIVERS_NL80211
@ -314,7 +315,7 @@ static void wifi_wlan_send_mgmt_deauthentication(struct wifi_wlan* wlan, const u
capwap_logging_info("Sent IEEE802.11 Deuthentication to %s station", stationaddress);
/* Forwards the station deauthentication also to AC */
wifi_wlan_send_frame(wlan, (uint8_t*)g_bufferIEEE80211, responselength, 1, 0, 0, 0);
wifi_wlan_send_frame(wlan, (uint8_t*)g_bufferIEEE80211, responselength, 0, 0, 0);
} else {
capwap_logging_warning("Unable to send IEEE802.11 Deuthentication to %s station", stationaddress);
}
@ -419,7 +420,7 @@ static void wifi_wlan_receive_station_mgmt_probe_request(struct wifi_wlan* wlan,
if (!wlan->device->instance->ops->wlan_sendframe(wlan, g_bufferIEEE80211, responselength, wlan->device->currentfrequency.frequency, 0, 0, 0, nowaitack)) {
/* If enable Split Mac send the probe request message to AC */
if (wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_SPLIT) {
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, 1, rssi, snr, rate);
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, rssi, snr, rate);
}
} else {
capwap_logging_warning("Unable to send IEEE802.11 Probe Response");
@ -583,10 +584,10 @@ static void wifi_wlan_receive_station_mgmt_authentication(struct wifi_wlan* wlan
capwap_logging_info("Sent IEEE802.11 Authentication Response to %s station with %d status code", stationaddress, (int)responsestatuscode);
/* Notify authentication request message also to AC */
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, 1, rssi, snr, rate);
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, rssi, snr, rate);
/* Forwards the authentication response message also to AC */
wifi_wlan_send_frame(wlan, (uint8_t*)g_bufferIEEE80211, responselength, 1, 0, 0, 0);
wifi_wlan_send_frame(wlan, (uint8_t*)g_bufferIEEE80211, responselength, 0, 0, 0);
} else if (station) {
capwap_logging_warning("Unable to send IEEE802.11 Authentication Response to %s station", stationaddress);
wifi_station_delete(station);
@ -596,7 +597,7 @@ static void wifi_wlan_receive_station_mgmt_authentication(struct wifi_wlan* wlan
wifi_station_delete(station);
}
} else if (wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_SPLIT) {
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, 1, rssi, snr, rate);
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, rssi, snr, rate);
}
}
@ -682,10 +683,10 @@ static void wifi_wlan_receive_station_mgmt_association_request(struct wifi_wlan*
capwap_logging_info("Sent IEEE802.11 Association Response to %s station with %d status code", station->addrtext, (int)resultstatuscode);
/* Notify association request message also to AC */
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, 1, rssi, snr, rate);
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, rssi, snr, rate);
/* Forwards the association response message also to AC */
wifi_wlan_send_frame(wlan, (uint8_t*)g_bufferIEEE80211, responselength, 1, 0, 0, 0);
wifi_wlan_send_frame(wlan, (uint8_t*)g_bufferIEEE80211, responselength, 0, 0, 0);
} else {
capwap_logging_warning("Unable to send IEEE802.11 Association Response to %s station", station->addrtext);
wifi_wlan_deauthentication_station(wlan, station, IEEE80211_REASON_PREV_AUTH_NOT_VALID, 0);
@ -695,7 +696,7 @@ static void wifi_wlan_receive_station_mgmt_association_request(struct wifi_wlan*
wifi_wlan_deauthentication_station(wlan, station, IEEE80211_REASON_PREV_AUTH_NOT_VALID, 0);
}
} else if (wlan->macmode == CAPWAP_ADD_WLAN_MACMODE_SPLIT) {
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, 1, rssi, snr, rate);
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, rssi, snr, rate);
/* Station information */
station->capability = __le16_to_cpu(frame->associationresponse.capability);
@ -729,7 +730,7 @@ static void wifi_wlan_receive_station_mgmt_disassociation(struct wifi_wlan* wlan
/* TODO */
/* Notify disassociation message also to AC */
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, 1, rssi, snr, rate);
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, rssi, snr, rate);
}
/* */
@ -750,7 +751,7 @@ static void wifi_wlan_receive_station_mgmt_deauthentication(struct wifi_wlan* wl
}
/* Notify deauthentication message also to AC */
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, 1, rssi, snr, rate);
wifi_wlan_send_frame(wlan, (uint8_t*)frame, length, rssi, snr, rate);
}
/* */
@ -1479,8 +1480,8 @@ int wifi_wlan_startap(struct wifi_wlan* wlan, struct wlan_startap_params* params
wlan->authmode = params->authmode;
wlan->macmode = params->macmode;
wlan->tunnelmode = params->tunnelmode;
wlan->send_frame = params->send_frame;
wlan->send_frame_to_ac_cbparam = params->send_frame_to_ac_cbparam;
wlan->radioid = params->radioid;
wlan->wlanid = params->wlanid;
/* Start AP */
result = wlan->device->instance->ops->wlan_startap(wlan);
@ -1655,16 +1656,23 @@ void wifi_wlan_receive_ac_frame(struct wifi_wlan* wlan, struct ieee80211_header*
}
/* */
int wifi_wlan_send_frame(struct wifi_wlan* wlan, const uint8_t* data, int length, int nativeframe, uint8_t rssi, uint8_t snr, uint16_t rate) {
int wifi_wlan_send_frame(struct wifi_wlan* wlan, const uint8_t* data, int length, uint8_t rssi, uint8_t snr, uint16_t rate) {
int result;
ASSERT(wlan != NULL);
ASSERT(wlan->handle != NULL);
if (!data || (length <= 0) || !wlan->send_frame) {
if (!data || (length <= 0)) {
return -1;
}
/* */
return wlan->send_frame(wlan->send_frame_to_ac_cbparam, data, length, nativeframe, rssi, snr, rate, wlan->address, MACADDRESS_EUI48_LENGTH);
/* Send packet to AC */
result = wtp_kmod_send_data(wlan->radioid, data, length, rssi, snr, rate);
if (result) {
capwap_logging_warning("Unable to sent packet to AC: %d error code", result);
}
return result;
}
/* */
@ -1704,23 +1712,17 @@ int wifi_station_authorize(struct wifi_wlan* wlan, struct station_add_params* pa
}
/* */
int wifi_station_deauthorize(struct wifi_device* device, const uint8_t* address) {
void wifi_station_deauthorize(struct wifi_device* device, const uint8_t* address) {
struct wifi_station* station;
ASSERT(device != NULL);
ASSERT(address != NULL);
/* Get station */
/* */
station = wifi_station_get(NULL, address);
if (!station || !station->wlan) {
return -1;
if (station && station->wlan) {
wifi_wlan_deauthentication_station(station->wlan, station, IEEE80211_REASON_PREV_AUTH_NOT_VALID, 0);
}
/* Station deauthorized */
capwap_logging_info("Deauthorize station: %s", station->addrtext);
wifi_wlan_deauthentication_station(station->wlan, station, IEEE80211_REASON_PREV_AUTH_NOT_VALID, 0);
return 1;
}
/* */

14
src/wtp/binding/ieee80211/wifi_drivers.h
View File

@ -87,11 +87,11 @@ struct device_setconfiguration_params {
};
/* */
typedef int (*send_frame_to_ac)(void* param, const uint8_t* frame, int length, int nativeframe, uint8_t rssi, uint8_t snr, uint16_t rate, uint8_t* bssaddress, int bssaddresstype);
typedef int (*send_frame_to_ac)(void* param, const uint8_t* frame, int length, uint8_t rssi, uint8_t snr, uint16_t rate);
struct wlan_startap_params {
send_frame_to_ac send_frame;
void* send_frame_to_ac_cbparam;
uint8_t radioid;
uint8_t wlanid;
const char* ssid;
uint8_t ssid_hidden;
@ -289,8 +289,8 @@ struct wifi_wlan {
uint8_t address[MACADDRESS_EUI48_LENGTH];
/* */
send_frame_to_ac send_frame;
void* send_frame_to_ac_cbparam;
uint8_t radioid;
uint8_t wlanid;
/* WLAN information */
char ssid[IEEE80211_SSID_MAX_LENGTH + 1];
@ -409,7 +409,7 @@ int wifi_wlan_startap(struct wifi_wlan* wlan, struct wlan_startap_params* params
void wifi_wlan_stopap(struct wifi_wlan* wlan);
int wifi_wlan_getbssid(struct wifi_wlan* wlan, uint8_t* bssid);
uint16_t wifi_wlan_check_capability(struct wifi_wlan* wlan, uint16_t capability);
int wifi_wlan_send_frame(struct wifi_wlan* wlan, const uint8_t* data, int length, int nativeframe, uint8_t rssi, uint8_t snr, uint16_t rate);
int wifi_wlan_send_frame(struct wifi_wlan* wlan, const uint8_t* data, int length, uint8_t rssi, uint8_t snr, uint16_t rate);
void wifi_wlan_destroy(struct wifi_wlan* wlan);
/* WLAN packet management */
@ -419,7 +419,7 @@ void wifi_wlan_receive_ac_frame(struct wifi_wlan* wlan, struct ieee80211_header*
/* Station management */
int wifi_station_authorize(struct wifi_wlan* wlan, struct station_add_params* params);
int wifi_station_deauthorize(struct wifi_device* device, const uint8_t* address);
void wifi_station_deauthorize(struct wifi_device* device, const uint8_t* address);
/* Util functions */
uint32_t wifi_iface_index(const char* ifname);

24
src/wtp/binding/ieee80211/wifi_nl80211.c
View File

@ -759,6 +759,7 @@ static int nl80211_wlan_startap(struct wifi_wlan* wlan) {
return -1;
}
/* */
nl_cb_set(wlanhandle->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, nl80211_no_seq_check, NULL);
nl_cb_set(wlanhandle->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, nl80211_wlan_valid_handler, (void*)wlan);
@ -798,16 +799,13 @@ static int nl80211_wlan_startap(struct wifi_wlan* wlan) {
/* */
if (wlan->tunnelmode != CAPWAP_ADD_WLAN_TUNNELMODE_LOCAL) {
/* Join interface to kernel module */
if ((g_wtp.tunneldataframe == WTP_TUNNEL_DATA_FRAME_KERNELMODE) || (g_wtp.tunneldataframe == WTP_TUNNEL_DATA_FRAME_USERMODE)) {
uint32_t mode = ((g_wtp.tunneldataframe == WTP_TUNNEL_DATA_FRAME_KERNELMODE) ? WTP_KMOD_MODE_TUNNEL_KERNELMODE : WTP_KMOD_MODE_TUNNEL_USERMODE);
uint32_t flags = ((wlan->tunnelmode == CAPWAP_ADD_WLAN_TUNNELMODE_80211) ? WTP_KMOD_FLAGS_TUNNEL_NATIVE : WTP_KMOD_FLAGS_TUNNEL_8023);
/* Join interface in kernel module */
uint32_t flags = ((wlan->tunnelmode == CAPWAP_ADD_WLAN_TUNNELMODE_80211) ? WTP_KMOD_FLAGS_TUNNEL_NATIVE : WTP_KMOD_FLAGS_TUNNEL_8023);
if (!wtp_kmod_join_mac80211_device(wlan, mode, flags)) {
capwap_logging_info("Joined in kernel mode the interface %d", wlan->virtindex);
}
if (!wtp_kmod_join_mac80211_device(wlan, flags)) {
capwap_logging_info("Joined the interface %d in kernel mode ", wlan->virtindex);
} else {
capwap_logging_warning("Tunneling is not supported for interface %d", wlan->virtindex);
capwap_logging_error("Unable to join the interface %d in kernel mode ", wlan->virtindex);
return -1;
}
}
@ -833,9 +831,7 @@ static void nl80211_wlan_stopap(struct wifi_wlan* wlan) {
/* */
if (wlan->tunnelmode != CAPWAP_ADD_WLAN_TUNNELMODE_LOCAL) {
/* Leave interface from kernel module */
if ((g_wtp.tunneldataframe == WTP_TUNNEL_DATA_FRAME_KERNELMODE) || (g_wtp.tunneldataframe == WTP_TUNNEL_DATA_FRAME_USERMODE)) {
wtp_kmod_leave_mac80211_device(wlan);
}
wtp_kmod_leave_mac80211_device(wlan);
}
/* */
@ -1068,6 +1064,12 @@ int nl80211_station_deauthorize(struct wifi_wlan* wlan, const uint8_t* address)
}
}
/* */
if (!result) {
char addrtext[CAPWAP_MACADDRESS_EUI48_BUFFER];
capwap_logging_info("Deauthorize station: %s", capwap_printf_macaddress(addrtext, address, MACADDRESS_EUI48_LENGTH));
}
/* */
nlmsg_free(msg);
return result;