Add support to Probe response offload
This commit is contained in:
vemax78
parent
025880583c
commit
152f869354
@ -134,7 +134,6 @@ int ieee80211_create_beacon(char* buffer, int length, struct ieee80211_beacon_pa
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struct ieee80211_header_mgmt* header;
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ASSERT(buffer != NULL);
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ASSERT(length == IEEE80211_MTU);
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/* */
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header = (struct ieee80211_header_mgmt*)buffer;
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@ -207,7 +206,34 @@ int ieee80211_create_beacon(char* buffer, int length, struct ieee80211_beacon_pa
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pos += result;
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params->tailbeaconlength += result;
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return (params->headbeaconlength + params->tailbeaconlength);
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/* Probe Response offload */
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if (params->flags & IEEE80221_CREATE_BEACON_FLAGS_PROBE_RESPONSE_OFFLOAD) {
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struct ieee80211_probe_response_params proberesponseparams;
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/* */
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memset(&proberesponseparams, 0, sizeof(struct ieee80211_probe_response_params));
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memcpy(proberesponseparams.bssid, params->bssid, ETH_ALEN);
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proberesponseparams.beaconperiod = params->beaconperiod;
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proberesponseparams.capability = params->capability;
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proberesponseparams.ssid = params->ssid;
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memcpy(proberesponseparams.supportedrates, params->supportedrates, params->supportedratescount);
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proberesponseparams.supportedratescount = params->supportedratescount;
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proberesponseparams.mode = params->mode;
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proberesponseparams.erpinfo = params->erpinfo;
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proberesponseparams.channel = params->channel;
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/* */
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params->proberesponseoffload = pos;
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params->proberesponseoffloadlength = ieee80211_create_probe_response(pos, (int)(pos - buffer), &proberesponseparams);
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if (params->proberesponseoffloadlength < 0) {
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return -1;
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}
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/* */
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pos += params->proberesponseoffloadlength;
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}
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return (int)(pos - buffer);
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}
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/* */
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@ -218,7 +244,6 @@ int ieee80211_create_probe_response(char* buffer, int length, struct ieee80211_p
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struct ieee80211_header_mgmt* header;
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ASSERT(buffer != NULL);
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ASSERT(length == IEEE80211_MTU);
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/* */
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header = (struct ieee80211_header_mgmt*)buffer;
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@ -295,7 +320,6 @@ int ieee80211_create_authentication_response(char* buffer, int length, struct ie
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struct ieee80211_header_mgmt* header;
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ASSERT(buffer != NULL);
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ASSERT(length == IEEE80211_MTU);
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/* */
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header = (struct ieee80211_header_mgmt*)buffer;
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@ -327,7 +351,6 @@ int ieee80211_create_associationresponse_response(char* buffer, int length, stru
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struct ieee80211_header_mgmt* header;
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ASSERT(buffer != NULL);
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ASSERT(length == IEEE80211_MTU);
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/* */
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header = (struct ieee80211_header_mgmt*)buffer;
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@ -373,7 +396,6 @@ int ieee80211_create_deauthentication(char* buffer, int length, struct ieee80211
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struct ieee80211_header_mgmt* header;
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ASSERT(buffer != NULL);
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ASSERT(length == IEEE80211_MTU);
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/* */
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header = (struct ieee80211_header_mgmt*)buffer;
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@ -459,7 +459,11 @@ struct ieee80211_ie_items {
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uint8_t ieee80211_get_erpinfo(uint32_t mode, int olbc, unsigned long stationnonerpcount, unsigned long stationnoshortpreamblecount, int shortpreamble);
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/* Management Beacon */
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#define IEEE80221_CREATE_BEACON_FLAGS_PROBE_RESPONSE_OFFLOAD 0x00000001
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struct ieee80211_beacon_params {
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unsigned long flags;
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char* headbeacon;
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int headbeaconlength;
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char* tailbeacon;
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@ -480,6 +484,9 @@ struct ieee80211_beacon_params {
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uint32_t mode;
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uint8_t erpinfo;
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char* proberesponseoffload;
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int proberesponseoffloadlength;
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};
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int ieee80211_create_beacon(char* buffer, int length, struct ieee80211_beacon_params* params);
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@ -30,6 +30,7 @@
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#define WIFI_CAPABILITY_FLAGS_ROAM_SUPPORT 0x00000002
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#define WIFI_CAPABILITY_FLAGS_SUPPORT_AP_UAPSD 0x00000004
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#define WIFI_CAPABILITY_FLAGS_DEVICE_AP_SME 0x00000008
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#define WIFI_CAPABILITY_FLAGS_PROBE_RESPONSE_OFFLOAD 0x00000010
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/* */
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#define WIFI_CAPABILITY_AP_SUPPORTED 0x00000001
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@ -14,6 +14,9 @@
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#include "wifi_drivers.h"
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#include "wifi_nl80211.h"
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/* */
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static char g_bufferIEEE80211[4096];
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/* */
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static void nl80211_wlan_stopap(wifi_wlan_handle handle);
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@ -377,61 +380,10 @@ static uint16_t nl80211_wlan_check_capability(struct nl80211_wlan_handle* wlanha
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return capability;
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}
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/* */
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static int nl80211_wlan_setbss(struct nl80211_wlan_handle* wlanhandle, int cts, int preamble, int slot, int htopmode, int apisolate) {
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int result;
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struct nl_msg* msg;
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/* */
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msg = nlmsg_alloc();
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if (!msg) {
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return -1;
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}
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/* */
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genlmsg_put(msg, 0, 0, wlanhandle->devicehandle->globalhandle->nl80211_id, 0, 0, NL80211_CMD_SET_BSS, 0);
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nla_put_u32(msg, NL80211_ATTR_IFINDEX, wlanhandle->virtindex);
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if (cts >= 0) {
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nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts);
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}
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if (preamble >= 0) {
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nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
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}
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if (slot >= 0) {
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nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
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}
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if (htopmode >= 0) {
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nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, htopmode);
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}
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if (apisolate >= 0) {
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nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, apisolate);
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}
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if (wlanhandle->devicehandle->basicratescount > 0) {
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nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, wlanhandle->devicehandle->basicratescount, wlanhandle->devicehandle->basicrates);
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}
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/* */
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result = nl80211_send_and_recv_msg(wlanhandle->devicehandle->globalhandle, msg, NULL, NULL);
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if (result) {
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capwap_logging_error("Unable set BSS, error code: %d", result);
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}
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nlmsg_free(msg);
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return result;
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}
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/* */
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static int nl80211_wlan_setbeacon(struct nl80211_wlan_handle* wlanhandle) {
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int result;
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struct nl_msg* msg;
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char buffer[IEEE80211_MTU];
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struct ieee80211_beacon_params ieee80211_params;
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/* Create beacon packet */
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@ -447,7 +399,13 @@ static int nl80211_wlan_setbeacon(struct nl80211_wlan_handle* wlanhandle) {
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ieee80211_params.erpinfo = ieee80211_get_erpinfo(wlanhandle->devicehandle->currentfrequency.mode, wlanhandle->devicehandle->olbc, wlanhandle->devicehandle->stationsnonerpcount, wlanhandle->devicehandle->stationsnoshortpreamblecount, wlanhandle->devicehandle->shortpreamble);
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ieee80211_params.channel = wlanhandle->devicehandle->currentfrequency.channel;
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result = ieee80211_create_beacon(buffer, IEEE80211_MTU, &ieee80211_params);
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/* Enable probe response offload only in CAPWAP Local Mac */
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if ((wlanhandle->macmode == CAPWAP_ADD_WLAN_MACMODE_LOCAL) && (wlanhandle->devicehandle->capability->capability & WIFI_CAPABILITY_FLAGS_PROBE_RESPONSE_OFFLOAD)) {
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ieee80211_params.flags |= IEEE80221_CREATE_BEACON_FLAGS_PROBE_RESPONSE_OFFLOAD;
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}
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/* */
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result = ieee80211_create_beacon(g_bufferIEEE80211, sizeof(g_bufferIEEE80211), &ieee80211_params);
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if (result < 0) {
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return -1;
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}
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@ -470,6 +428,10 @@ static int nl80211_wlan_setbeacon(struct nl80211_wlan_handle* wlanhandle) {
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nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, wlanhandle->authenticationtype);
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nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT);
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if ((wlanhandle->devicehandle->capability->capability & WIFI_CAPABILITY_FLAGS_PROBE_RESPONSE_OFFLOAD) && (ieee80211_params.proberesponseoffloadlength > 0)) {
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nla_put(msg, NL80211_ATTR_PROBE_RESP, ieee80211_params.proberesponseoffloadlength, ieee80211_params.proberesponseoffload);
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}
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/* Start AP */
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result = nl80211_send_and_recv_msg(wlanhandle->devicehandle->globalhandle, msg, NULL, NULL);
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if (result) {
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@ -480,16 +442,38 @@ static int nl80211_wlan_setbeacon(struct nl80211_wlan_handle* wlanhandle) {
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/* Configure AP */
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if (!result) {
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int cts = ((ieee80211_params.erpinfo & IEEE80211_ERP_INFO_USE_PROTECTION) ? 1 : 0);
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int preamble = ((!wlanhandle->devicehandle->stationsnoshortpreamblecount && wlanhandle->devicehandle->shortpreamble) ? 1 : 0);
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int slot = ((wlanhandle->devicehandle->currentfrequency.mode & IEEE80211_RADIO_TYPE_80211G) ? (wlanhandle->devicehandle->stationsnoshortslottimecount ? 0 : 1) : -1);
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int htopmode = -1; /* TODO: 802.11n */
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int apisolate = -1; /* TODO: AP Isolation */
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msg = nlmsg_alloc();
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if (!msg) {
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return -1;
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}
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result = nl80211_wlan_setbss(wlanhandle, cts, preamble, slot, htopmode, apisolate);
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/* */
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genlmsg_put(msg, 0, 0, wlanhandle->devicehandle->globalhandle->nl80211_id, 0, 0, NL80211_CMD_SET_BSS, 0);
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nla_put_u32(msg, NL80211_ATTR_IFINDEX, wlanhandle->virtindex);
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/* */
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nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, ((ieee80211_params.erpinfo & IEEE80211_ERP_INFO_USE_PROTECTION) ? 1 : 0));
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nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, ((!wlanhandle->devicehandle->stationsnoshortpreamblecount && wlanhandle->devicehandle->shortpreamble) ? 1 : 0));
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//nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ???);
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//nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ???);
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if (wlanhandle->devicehandle->currentfrequency.mode & IEEE80211_RADIO_TYPE_80211G) {
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nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, (!wlanhandle->devicehandle->stationsnoshortslottimecount ? 1 : 0));
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}
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if (wlanhandle->devicehandle->basicratescount > 0) {
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nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, wlanhandle->devicehandle->basicratescount, wlanhandle->devicehandle->basicrates);
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}
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/* */
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result = nl80211_send_and_recv_msg(wlanhandle->devicehandle->globalhandle, msg, NULL, NULL);
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if (!result) {
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wlanhandle->flags |= NL80211_WLAN_SET_BEACON;
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} else {
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capwap_logging_error("Unable set BSS, error code: %d", result);
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}
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nlmsg_free(msg);
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}
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return result;
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@ -507,7 +491,10 @@ static void nl80211_device_updatebeacons(struct nl80211_device_handle* devicehan
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while (wlansearch) {
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wlanhandle = (struct nl80211_wlan_handle*)wlansearch->item;
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if (wlanhandle->flags & NL80211_WLAN_SET_BEACON) {
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nl80211_wlan_setbeacon(wlanhandle);
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if (nl80211_wlan_setbeacon(wlanhandle)) {
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capwap_logging_warning("Unable to update beacon on interface %d", wlanhandle->virtindex);
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nl80211_wlan_stopap((wifi_wlan_handle)wlanhandle);
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}
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}
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/* */
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@ -615,7 +602,6 @@ static struct nl80211_station* nl80211_station_create(struct nl80211_wlan_handle
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/* */
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static void nl80211_wlan_send_deauthentication(struct nl80211_wlan_handle* wlanhandle, const uint8_t* stationaddress, uint16_t reasoncode) {
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int responselength;
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char buffer[IEEE80211_MTU];
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struct ieee80211_deauthentication_params ieee80211_params;
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struct wlan_send_frame_params wlan_params;
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@ -625,14 +611,14 @@ static void nl80211_wlan_send_deauthentication(struct nl80211_wlan_handle* wlanh
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memcpy(ieee80211_params.station, stationaddress, ETH_ALEN);
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ieee80211_params.reasoncode = reasoncode;
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responselength = ieee80211_create_deauthentication(buffer, IEEE80211_MTU, &ieee80211_params);
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responselength = ieee80211_create_deauthentication(g_bufferIEEE80211, sizeof(g_bufferIEEE80211), &ieee80211_params);
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if (responselength < 0) {
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return;
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}
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/* Send deauthentication */
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memset(&wlan_params, 0, sizeof(struct wlan_send_frame_params));
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wlan_params.packet = buffer;
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wlan_params.packet = g_bufferIEEE80211;
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wlan_params.length = responselength;
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wlan_params.frequency = wlanhandle->devicehandle->currentfrequency.frequency;
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@ -647,7 +633,6 @@ static void nl80211_wlan_send_deauthentication(struct nl80211_wlan_handle* wlanh
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static void nl80211_do_mgmt_probe_request_event(struct nl80211_wlan_handle* wlanhandle, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
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int ielength;
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int ssidcheck;
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char buffer[IEEE80211_MTU];
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int responselength;
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struct ieee80211_ie_items ieitems;
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struct wlan_send_frame_params wlan_params;
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@ -688,14 +673,14 @@ static void nl80211_do_mgmt_probe_request_event(struct nl80211_wlan_handle* wlan
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ieee80211_params.erpinfo = ieee80211_get_erpinfo(wlanhandle->devicehandle->currentfrequency.mode, wlanhandle->devicehandle->olbc, wlanhandle->devicehandle->stationsnonerpcount, wlanhandle->devicehandle->stationsnoshortpreamblecount, wlanhandle->devicehandle->shortpreamble);
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ieee80211_params.channel = wlanhandle->devicehandle->currentfrequency.channel;
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responselength = ieee80211_create_probe_response(buffer, IEEE80211_MTU, &ieee80211_params);
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responselength = ieee80211_create_probe_response(g_bufferIEEE80211, sizeof(g_bufferIEEE80211), &ieee80211_params);
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if (responselength < 0) {
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return;
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}
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/* Send probe response */
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memset(&wlan_params, 0, sizeof(struct wlan_send_frame_params));
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wlan_params.packet = buffer;
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wlan_params.packet = g_bufferIEEE80211;
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wlan_params.length = responselength;
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wlan_params.frequency = wlanhandle->devicehandle->currentfrequency.frequency;
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wlan_params.no_wait_ack = ((ssidcheck == WIFI_WILDCARD_SSID) && wifi_is_broadcast_addr(mgmt->da) ? 1 : 0);
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@ -714,7 +699,6 @@ static void nl80211_do_mgmt_authentication_event(struct nl80211_wlan_handle* wla
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uint16_t algorithm;
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uint16_t transactionseqnumber;
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uint16_t responsestatuscode;
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char buffer[IEEE80211_MTU];
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struct ieee80211_authentication_params ieee80211_params;
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struct wlan_send_frame_params wlan_params;
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struct nl80211_station* station;
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@ -771,14 +755,14 @@ static void nl80211_do_mgmt_authentication_event(struct nl80211_wlan_handle* wla
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ieee80211_params.transactionseqnumber = transactionseqnumber + 1;
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ieee80211_params.statuscode = responsestatuscode;
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responselength = ieee80211_create_authentication_response(buffer, IEEE80211_MTU, &ieee80211_params);
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responselength = ieee80211_create_authentication_response(g_bufferIEEE80211, sizeof(g_bufferIEEE80211), &ieee80211_params);
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if (responselength < 0) {
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return;
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}
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/* Send authentication response */
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memset(&wlan_params, 0, sizeof(struct wlan_send_frame_params));
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wlan_params.packet = buffer;
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wlan_params.packet = g_bufferIEEE80211;
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wlan_params.length = responselength;
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wlan_params.frequency = wlanhandle->devicehandle->currentfrequency.frequency;
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@ -870,7 +854,6 @@ static int nl80211_set_station_information(struct nl80211_wlan_handle* wlanhandl
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static void nl80211_do_mgmt_association_request_event(struct nl80211_wlan_handle* wlanhandle, const struct ieee80211_header_mgmt* mgmt, int mgmtlength) {
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int ielength;
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int responselength;
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char buffer[IEEE80211_MTU];
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struct ieee80211_ie_items ieitems;
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struct ieee80211_associationresponse_params ieee80211_params;
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struct wlan_send_frame_params wlan_params;
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@ -909,14 +892,14 @@ static void nl80211_do_mgmt_association_request_event(struct nl80211_wlan_handle
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memcpy(ieee80211_params.supportedrates, wlanhandle->devicehandle->supportedrates, wlanhandle->devicehandle->supportedratescount);
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ieee80211_params.supportedratescount = wlanhandle->devicehandle->supportedratescount;
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responselength = ieee80211_create_associationresponse_response(buffer, IEEE80211_MTU, &ieee80211_params);
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responselength = ieee80211_create_associationresponse_response(g_bufferIEEE80211, sizeof(g_bufferIEEE80211), &ieee80211_params);
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if (responselength < 0) {
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return;
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}
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/* Send authentication response */
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memset(&wlan_params, 0, sizeof(struct wlan_send_frame_params));
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wlan_params.packet = buffer;
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wlan_params.packet = g_bufferIEEE80211;
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wlan_params.length = responselength;
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wlan_params.frequency = wlanhandle->devicehandle->currentfrequency.frequency;
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@ -1285,66 +1268,12 @@ static int nl80211_global_valid_handler(struct nl_msg* msg, void* data) {
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/* */
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static void nl80211_global_newlink_event(wifi_global_handle handle, struct ifinfomsg* infomsg, uint8_t* data, int length) {
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char ifname[IFNAMSIZ + 1];
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char buffer[100];
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char* pos = buffer;
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char* end = buffer + sizeof(buffer);
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int attrlen = length;
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struct rtattr* attr = (struct rtattr*)data;
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struct nl80211_wlan_handle* wlanhandle;
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struct nl80211_global_handle* globalhandle = (struct nl80211_global_handle*)handle;
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ASSERT(handle != NULL);
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ASSERT(infomsg != NULL);
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|
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/* */
|
||||
memset(ifname, 0, sizeof(ifname));
|
||||
memset(buffer, 0, sizeof(buffer));
|
||||
|
||||
while (RTA_OK(attr, attrlen)) {
|
||||
switch (attr->rta_type) {
|
||||
case IFLA_IFNAME: {
|
||||
if (RTA_PAYLOAD(attr) < IFNAMSIZ) {
|
||||
memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case IFLA_MASTER: {
|
||||
pos += snprintf(pos, end - pos, " master=%u", nla_get_u32((struct nlattr*)attr));
|
||||
break;
|
||||
}
|
||||
|
||||
case IFLA_WIRELESS: {
|
||||
int length = (int)RTA_PAYLOAD(attr);
|
||||
uint16_t* data = (uint16_t*)RTA_DATA(attr);
|
||||
|
||||
pos += snprintf(pos, end - pos, " wext");
|
||||
|
||||
if ((length > 0) && (data != NULL)) {
|
||||
pos += snprintf(pos, end - pos, " (%d:%d [%d])", (unsigned int)data[0], (unsigned int)data[1], length);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case IFLA_OPERSTATE: {
|
||||
pos += snprintf(pos, end - pos, " operstate=%u", nla_get_u32((struct nlattr*)attr));
|
||||
break;
|
||||
}
|
||||
|
||||
case IFLA_LINKMODE: {
|
||||
pos += snprintf(pos, end - pos, " linkmode=%u", nla_get_u32((struct nlattr*)attr));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
attr = RTA_NEXT(attr, attrlen);
|
||||
}
|
||||
|
||||
capwap_logging_debug("Link status change: ifi_index=%d ifname=%s%s ifi_flags=0x%x (%s%s%s%s)", infomsg->ifi_index, ifname, buffer, infomsg->ifi_flags, (infomsg->ifi_flags & IFF_UP) ? "[UP]" : "", (infomsg->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", (infomsg->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", (infomsg->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
|
||||
|
||||
/* Search device */
|
||||
wlanhandle = nl80211_global_search_wlan(globalhandle, infomsg->ifi_index);
|
||||
if (wlanhandle) {
|
||||
@ -1583,6 +1512,11 @@ static int cb_get_phydevice_capability(struct nl_msg* msg, void* data) {
|
||||
capability->capability |= WIFI_CAPABILITY_FLAGS_DEVICE_AP_SME;
|
||||
}
|
||||
|
||||
if (tb_msg[NL80211_ATTR_PROBE_RESP_OFFLOAD]) {
|
||||
capability->capability |= WIFI_CAPABILITY_FLAGS_PROBE_RESPONSE_OFFLOAD;
|
||||
/* TODO check offload protocol support */
|
||||
}
|
||||
|
||||
/* Cipher supported */
|
||||
if (tb_msg[NL80211_ATTR_CIPHER_SUITES]) {
|
||||
int count;
|
||||
@ -2349,6 +2283,8 @@ static int nl80211_wlan_startap(wifi_wlan_handle handle, struct wlan_startap_par
|
||||
wlanhandle->ssid_hidden = params->ssid_hidden;
|
||||
wlanhandle->capability = params->capability;
|
||||
wlanhandle->authenticationtype = ((params->authmode == CAPWAP_ADD_WLAN_AUTHTYPE_WEP) ? NL80211_AUTHTYPE_SHARED_KEY : NL80211_AUTHTYPE_OPEN_SYSTEM);
|
||||
wlanhandle->macmode = params->macmode;
|
||||
wlanhandle->tunnelmode = params->tunnelmode;
|
||||
|
||||
/* Set beacon */
|
||||
if (nl80211_wlan_setbeacon(wlanhandle)) {
|
||||
|
||||
@ -101,6 +101,10 @@ struct nl80211_wlan_handle {
|
||||
uint8_t ssid_hidden;
|
||||
uint16_t capability;
|
||||
|
||||
/* Tunnel */
|
||||
uint8_t macmode;
|
||||
uint8_t tunnelmode;
|
||||
|
||||
/* Authentication */
|
||||
uint8_t authenticationtype;
|
||||
|
||||
@ -110,9 +114,6 @@ struct nl80211_wlan_handle {
|
||||
struct capwap_hash* stations;
|
||||
|
||||
uint32_t aidbitfield[WIFI_AID_BITFIELD_SIZE];
|
||||
|
||||
/* Scan */
|
||||
unsigned long scancomplete;
|
||||
};
|
||||
|
||||
/* Physical device info */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user