11f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt/* 21f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * wpa_supplicant - Off-channel Action frame TX/RX 31f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * Copyright (c) 2009-2010, Atheros Communications 41f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * Copyright (c) 2011, Qualcomm Atheros 51f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 7c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 81f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 91f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "includes.h" 111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "common.h" 131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "utils/eloop.h" 141f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "wpa_supplicant_i.h" 1557cea1a480975338d84f7bbc229b4dc76e030600Jithu Jance#include "p2p_supplicant.h" 161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "driver_i.h" 171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt#include "offchannel.h" 181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic struct wpa_supplicant * 221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtwpas_get_tx_interface(struct wpa_supplicant *wpa_s, const u8 *src) 231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpa_supplicant *iface; 251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 26849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt if (os_memcmp(src, wpa_s->own_addr, ETH_ALEN) == 0) { 27849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt#ifdef CONFIG_P2P 28849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt if (wpa_s->p2p_mgmt && wpa_s != wpa_s->parent && 29849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt wpa_s->parent->ap_iface && 30849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt os_memcmp(wpa_s->parent->own_addr, 31849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt wpa_s->own_addr, ETH_ALEN) == 0 && 32849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt wpabuf_len(wpa_s->pending_action_tx) >= 2 && 33849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt *wpabuf_head_u8(wpa_s->pending_action_tx) != 34849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt WLAN_ACTION_PUBLIC) { 35849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt /* 36849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt * When P2P Device interface has same MAC address as 37849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt * the GO interface, make sure non-Public Action frames 38849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt * are sent through the GO interface. The P2P Device 39849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt * interface can only send Public Action frames. 40849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt */ 41849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt wpa_printf(MSG_DEBUG, 42849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt "P2P: Use GO interface %s instead of interface %s for Action TX", 43849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt wpa_s->parent->ifname, wpa_s->ifname); 44849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt return wpa_s->parent; 45849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt } 46849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt#endif /* CONFIG_P2P */ 471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return wpa_s; 48849734c8d1847920ed7042463f7480b1e0c1dfeaDmitry Shmidt } 491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* 511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * Try to find a group interface that matches with the source address. 521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt iface = wpa_s->global->ifaces; 541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt while (iface) { 55fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (os_memcmp(src, iface->own_addr, ETH_ALEN) == 0) 561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt break; 571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt iface = iface->next; 581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (iface) { 601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: Use group interface %s " 611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "instead of interface %s for Action TX", 621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt iface->ifname, wpa_s->ifname); 631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return iface; 641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return wpa_s; 671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic void wpas_send_action_cb(void *eloop_ctx, void *timeout_ctx) 711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpa_supplicant *wpa_s = eloop_ctx; 731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpa_supplicant *iface; 741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int res; 751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int without_roc; 761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt without_roc = wpa_s->pending_action_without_roc; 781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_without_roc = 0; 79b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt wpa_printf(MSG_DEBUG, 80b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt "Off-channel: Send Action callback (without_roc=%d pending_action_tx=%p pending_action_tx_done=%d)", 81b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt without_roc, wpa_s->pending_action_tx, 82b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt !!wpa_s->pending_action_tx_done); 831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 84b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt if (wpa_s->pending_action_tx == NULL || wpa_s->pending_action_tx_done) 851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* 881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * This call is likely going to be on the P2P device instance if the 891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * driver uses a separate interface for that purpose. However, some 901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * Action frames are actually sent within a P2P Group and when that is 911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * the case, we need to follow power saving (e.g., GO buffering the 921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * frame for a client in PS mode or a client following the advertised 931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * NoA from its GO). To make that easier for the driver, select the 941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * correct group interface here. 951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt iface = wpas_get_tx_interface(wpa_s, wpa_s->pending_action_src); 971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_s->off_channel_freq != wpa_s->pending_action_freq && 991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_freq != 0 && 1001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_freq != iface->assoc_freq) { 1011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Pending Action frame TX " 1021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "waiting for another freq=%u (off_channel_freq=%u " 1031f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "assoc_freq=%u)", 1041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_freq, 1051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->off_channel_freq, 1061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt iface->assoc_freq); 1071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (without_roc && wpa_s->off_channel_freq == 0) { 108fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt unsigned int duration = 200; 1091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* 1101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * We may get here if wpas_send_action() found us to be 1111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * on the correct channel, but remain-on-channel cancel 1121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * event was received before getting here. 1131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 1141f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Schedule " 1151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "remain-on-channel to send Action frame"); 116fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt#ifdef CONFIG_TESTING_OPTIONS 117fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (wpa_s->extra_roc_dur) { 118fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_printf(MSG_DEBUG, 119fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt "TESTING: Increase ROC duration %u -> %u", 120fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt duration, 121fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt duration + wpa_s->extra_roc_dur); 122fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt duration += wpa_s->extra_roc_dur; 123fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 124fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt#endif /* CONFIG_TESTING_OPTIONS */ 1251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_drv_remain_on_channel( 126fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_s, wpa_s->pending_action_freq, 127fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt duration) < 0) { 1281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Failed to " 1291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "request driver to remain on " 1301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "channel (%u MHz) for Action Frame " 1311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "TX", wpa_s->pending_action_freq); 1321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } else { 1331f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->off_channel_freq = 0; 1341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->roc_waiting_drv_freq = 1351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_freq; 1361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 1371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 1381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 1391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 1401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Sending pending Action frame to " 142d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt MACSTR " using interface %s (pending_action_tx=%p)", 143d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt MAC2STR(wpa_s->pending_action_dst), iface->ifname, 144d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_s->pending_action_tx); 1451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt res = wpa_drv_send_action(iface, wpa_s->pending_action_freq, 0, 1461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_dst, 1471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_src, 1481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_bssid, 1491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_head(wpa_s->pending_action_tx), 1501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_len(wpa_s->pending_action_tx), 1511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_no_cck); 1521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (res) { 1531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Failed to send the " 1541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "pending Action frame"); 1551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* 1561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * Use fake TX status event to allow state machines to 1571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * continue. 1581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 1591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt offchannel_send_action_tx_status( 1601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s, wpa_s->pending_action_dst, 1611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_head(wpa_s->pending_action_tx), 1621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_len(wpa_s->pending_action_tx), 1631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt OFFCHANNEL_SEND_ACTION_FAILED); 1641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 1651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 1661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 168a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt/** 169a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * offchannel_send_action_tx_status - TX status callback 170a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @wpa_s: Pointer to wpa_supplicant data 171a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @dst: Destination MAC address of the transmitted Action frame 172a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @data: Transmitted frame payload 173a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @data_len: Length of @data in bytes 174a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @result: TX status 175a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * 176a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * This function is called whenever the driver indicates a TX status event for 177a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * a frame sent by offchannel_send_action() using wpa_drv_send_action(). 178a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt */ 1791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtvoid offchannel_send_action_tx_status( 1801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpa_supplicant *wpa_s, const u8 *dst, const u8 *data, 1811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt size_t data_len, enum offchannel_send_action_result result) 1821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 1831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_s->pending_action_tx == NULL) { 1841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Ignore Action TX status - " 1851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "no pending operation"); 1861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 1871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 1881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (os_memcmp(dst, wpa_s->pending_action_dst, ETH_ALEN) != 0) { 1901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Ignore Action TX status - " 1911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "unknown destination address"); 1921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return; 1931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 1941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 1954ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt /* Accept report only if the contents of the frame matches */ 1964ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt if (data_len - wpabuf_len(wpa_s->pending_action_tx) != 24 || 1974ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt os_memcmp(data + 24, wpabuf_head(wpa_s->pending_action_tx), 1984ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt wpabuf_len(wpa_s->pending_action_tx)) != 0) { 1994ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Ignore Action TX status - " 2004ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt "mismatching contents with pending frame"); 2014ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt wpa_hexdump(MSG_MSGDUMP, "TX status frame data", 2024ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt data, data_len); 2034ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt wpa_hexdump_buf(MSG_MSGDUMP, "Pending TX frame", 2044ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt wpa_s->pending_action_tx); 2054ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return; 2064ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt } 2074ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 208d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_printf(MSG_DEBUG, 209d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt "Off-channel: Delete matching pending action frame (dst=" 210d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt MACSTR " pending_action_tx=%p)", MAC2STR(dst), 211d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_s->pending_action_tx); 212d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_hexdump_buf(MSG_MSGDUMP, "Pending TX frame", 213d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_s->pending_action_tx); 2141f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wpa_s->pending_action_tx); 2151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_tx = NULL; 2161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: TX status result=%d cb=%p", 2181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt result, wpa_s->pending_action_tx_status_cb); 2191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_s->pending_action_tx_status_cb) { 2211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_tx_status_cb( 2221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s, wpa_s->pending_action_freq, 2231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_dst, wpa_s->pending_action_src, 2241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_bssid, 2251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt data, data_len, result); 2261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 22757cea1a480975338d84f7bbc229b4dc76e030600Jithu Jance 228fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt#ifdef CONFIG_P2P 22957cea1a480975338d84f7bbc229b4dc76e030600Jithu Jance if (wpa_s->p2p_long_listen > 0) { 23057cea1a480975338d84f7bbc229b4dc76e030600Jithu Jance /* Continue the listen */ 23157cea1a480975338d84f7bbc229b4dc76e030600Jithu Jance wpa_printf(MSG_DEBUG, "P2P: Continuing long Listen state"); 23257cea1a480975338d84f7bbc229b4dc76e030600Jithu Jance wpas_p2p_listen_start(wpa_s, wpa_s->p2p_long_listen); 23357cea1a480975338d84f7bbc229b4dc76e030600Jithu Jance } 234fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt#endif /* CONFIG_P2P */ 2351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 2361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 238a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt/** 239a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * offchannel_send_action - Request off-channel Action frame TX 240a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @wpa_s: Pointer to wpa_supplicant data 241a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @freq: The frequency in MHz indicating the channel on which the frame is to 242a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * transmitted or 0 for the current channel (only if associated) 243a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @dst: Action frame destination MAC address 244a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @src: Action frame source MAC address 245a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @bssid: Action frame BSSID 246a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @buf: Frame to transmit starting from the Category field 247a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @len: Length of @buf in bytes 248a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @wait_time: Wait time for response in milliseconds 249a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @tx_cb: Callback function for indicating TX status or %NULL for now callback 250a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @no_cck: Whether CCK rates are to be disallowed for TX rate selection 251a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * Returns: 0 on success or -1 on failure 252a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * 253a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * This function is used to request an Action frame to be transmitted on the 254a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * current operating channel or on another channel (off-channel). The actual 255a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * frame transmission will be delayed until the driver is ready on the specified 256a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * channel. The @wait_time parameter can be used to request the driver to remain 257a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * awake on the channel to wait for a response. 258a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt */ 2591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtint offchannel_send_action(struct wpa_supplicant *wpa_s, unsigned int freq, 2601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *dst, const u8 *src, const u8 *bssid, 2611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *buf, size_t len, unsigned int wait_time, 2621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt void (*tx_cb)(struct wpa_supplicant *wpa_s, 2631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt unsigned int freq, const u8 *dst, 2641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *src, const u8 *bssid, 2651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *data, size_t data_len, 2661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt enum offchannel_send_action_result 2671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt result), 2681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt int no_cck) 2691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 2701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Send action frame: freq=%d dst=" 2711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt MACSTR " src=" MACSTR " bssid=" MACSTR " len=%d", 2721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt freq, MAC2STR(dst), MAC2STR(src), MAC2STR(bssid), 2731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (int) len); 2741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_tx_status_cb = tx_cb; 2761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 2771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_s->pending_action_tx) { 2781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Dropped pending Action " 279d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt "frame TX to " MACSTR " (pending_action_tx=%p)", 280d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt MAC2STR(wpa_s->pending_action_dst), 281d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_s->pending_action_tx); 282d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_hexdump_buf(MSG_MSGDUMP, "Pending TX frame", 283d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_s->pending_action_tx); 2841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wpa_s->pending_action_tx); 2851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 286b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt wpa_s->pending_action_tx_done = 0; 2871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_tx = wpabuf_alloc(len); 2881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_s->pending_action_tx == NULL) { 2891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Failed to allocate Action " 2901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "frame TX buffer (len=%llu)", 2911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (unsigned long long) len); 2921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 2931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 2941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_data(wpa_s->pending_action_tx, buf, len); 2951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(wpa_s->pending_action_src, src, ETH_ALEN); 2961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(wpa_s->pending_action_dst, dst, ETH_ALEN); 2971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcpy(wpa_s->pending_action_bssid, bssid, ETH_ALEN); 2981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_freq = freq; 2991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_no_cck = no_cck; 300d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_printf(MSG_DEBUG, 301d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt "Off-channel: Stored pending action frame (dst=" MACSTR 302d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt " pending_action_tx=%p)", 303d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt MAC2STR(dst), wpa_s->pending_action_tx); 304d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_hexdump_buf(MSG_MSGDUMP, "Pending TX frame", 305d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_s->pending_action_tx); 3061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (freq != 0 && wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) { 3081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpa_supplicant *iface; 309b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt int ret; 3101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 311fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt iface = wpas_get_tx_interface(wpa_s, src); 3121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->action_tx_wait_time = wait_time; 3131f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 314b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt ret = wpa_drv_send_action( 3151f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt iface, wpa_s->pending_action_freq, 3161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wait_time, wpa_s->pending_action_dst, 3171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_src, wpa_s->pending_action_bssid, 3181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_head(wpa_s->pending_action_tx), 3191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_len(wpa_s->pending_action_tx), 3201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_no_cck); 321b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt if (ret == 0) 322b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt wpa_s->pending_action_tx_done = 1; 323b5d893b5dec601a58c3ce0fc9e5d6da3816ce97aDmitry Shmidt return ret; 3241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (freq) { 3271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpa_supplicant *tx_iface; 3281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt tx_iface = wpas_get_tx_interface(wpa_s, src); 3291f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (tx_iface->assoc_freq == freq) { 3301f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Already on " 3311f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "requested channel (TX interface operating " 3321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "channel)"); 3331f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt freq = 0; 3341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_s->off_channel_freq == freq || freq == 0) { 3381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Already on requested " 3391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "channel; send Action frame immediately"); 3401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt /* TODO: Would there ever be need to extend the current 3411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * duration on the channel? */ 3421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_without_roc = 1; 3431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL); 3441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt eloop_register_timeout(0, 0, wpas_send_action_cb, wpa_s, NULL); 3451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 3461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_without_roc = 0; 3481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_s->roc_waiting_drv_freq == freq) { 3501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Already waiting for " 3511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "driver to get to frequency %u MHz; continue " 3521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "waiting to send the Action frame", freq); 3531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 3541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Schedule Action frame to be " 3571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "transmitted once the driver gets to the requested " 3581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "channel"); 3591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wait_time > wpa_s->max_remain_on_chan) 3601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wait_time = wpa_s->max_remain_on_chan; 361d5c075b0c218277d0f926daf1f9eff974b9656dcDmitry Shmidt else if (wait_time == 0) 362d5c075b0c218277d0f926daf1f9eff974b9656dcDmitry Shmidt wait_time = 20; 363fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt#ifdef CONFIG_TESTING_OPTIONS 364fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (wpa_s->extra_roc_dur) { 365fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_printf(MSG_DEBUG, "TESTING: Increase ROC duration %u -> %u", 366fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wait_time, wait_time + wpa_s->extra_roc_dur); 367fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wait_time += wpa_s->extra_roc_dur; 368fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 369fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt#endif /* CONFIG_TESTING_OPTIONS */ 3701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_drv_remain_on_channel(wpa_s, freq, wait_time) < 0) { 3711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_printf(MSG_DEBUG, "Off-channel: Failed to request driver " 3721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "to remain on channel (%u MHz) for Action " 3731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "Frame TX", freq); 3741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 3751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->off_channel_freq = 0; 3771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->roc_waiting_drv_freq = freq; 3781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 3801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 3811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 3821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 383a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt/** 384a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * offchannel_send_send_action_done - Notify completion of Action frame sequence 385a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @wpa_s: Pointer to wpa_supplicant data 386a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * 387a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * This function can be used to cancel a wait for additional response frames on 388a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * the channel that was used with offchannel_send_action(). 389a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt */ 3901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtvoid offchannel_send_action_done(struct wpa_supplicant *wpa_s) 3911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 392aff761db795db8b506c6f6af7ff607856cf85a81Dmitry Shmidt wpa_printf(MSG_DEBUG, 393aff761db795db8b506c6f6af7ff607856cf85a81Dmitry Shmidt "Off-channel: Action frame sequence done notification: pending_action_tx=%p drv_offchan_tx=%d action_tx_wait_time=%d off_channel_freq=%d roc_waiting_drv_freq=%d", 394aff761db795db8b506c6f6af7ff607856cf85a81Dmitry Shmidt wpa_s->pending_action_tx, 395aff761db795db8b506c6f6af7ff607856cf85a81Dmitry Shmidt !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX), 396aff761db795db8b506c6f6af7ff607856cf85a81Dmitry Shmidt wpa_s->action_tx_wait_time, wpa_s->off_channel_freq, 397aff761db795db8b506c6f6af7ff607856cf85a81Dmitry Shmidt wpa_s->roc_waiting_drv_freq); 3981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wpa_s->pending_action_tx); 3991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_tx = NULL; 4001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX && 4011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->action_tx_wait_time) 4021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_drv_send_action_cancel_wait(wpa_s); 403aff761db795db8b506c6f6af7ff607856cf85a81Dmitry Shmidt else if (wpa_s->off_channel_freq || wpa_s->roc_waiting_drv_freq) { 4041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_drv_cancel_remain_on_channel(wpa_s); 4051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->off_channel_freq = 0; 4061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->roc_waiting_drv_freq = 0; 4071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 4081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 4091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 411a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt/** 412a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * offchannel_remain_on_channel_cb - Remain-on-channel callback function 413a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @wpa_s: Pointer to wpa_supplicant data 414a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @freq: Frequency (in MHz) of the selected channel 415a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @duration: Duration of the remain-on-channel operation in milliseconds 416a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * 417a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * This function is called whenever the driver notifies beginning of a 418a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * remain-on-channel operation. 419a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt */ 4201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtvoid offchannel_remain_on_channel_cb(struct wpa_supplicant *wpa_s, 4211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt unsigned int freq, unsigned int duration) 4221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 4231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->roc_waiting_drv_freq = 0; 4241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->off_channel_freq = freq; 4251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpas_send_action_cb(wpa_s, NULL); 4261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 4271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 429a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt/** 430a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * offchannel_cancel_remain_on_channel_cb - Remain-on-channel stopped callback 431a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @wpa_s: Pointer to wpa_supplicant data 432a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @freq: Frequency (in MHz) of the selected channel 433a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * 434a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * This function is called whenever the driver notifies termination of a 435a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * remain-on-channel operation. 436a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt */ 4371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtvoid offchannel_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s, 4381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt unsigned int freq) 4391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 4401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->off_channel_freq = 0; 4411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 4421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 444a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt/** 445a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * offchannel_pending_action_tx - Check whether there is a pending Action TX 446a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @wpa_s: Pointer to wpa_supplicant data 447a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * Returns: Pointer to pending frame or %NULL if no pending operation 448a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * 449a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * This function can be used to check whether there is a pending Action frame TX 450a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * operation. The returned pointer should be used only for checking whether it 451a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * is %NULL (no pending frame) or to print the pointer value in debug 452a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * information (i.e., the pointer should not be dereferenced). 453a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt */ 454a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtconst void * offchannel_pending_action_tx(struct wpa_supplicant *wpa_s) 455a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 456a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return wpa_s->pending_action_tx; 457a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 458a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 459a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 460a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt/** 461a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * offchannel_clear_pending_action_tx - Clear pending Action frame TX 462a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @wpa_s: Pointer to wpa_supplicant data 463a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt */ 464a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtvoid offchannel_clear_pending_action_tx(struct wpa_supplicant *wpa_s) 4651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 466d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_printf(MSG_DEBUG, 467d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt "Off-channel: Clear pending Action frame TX (pending_action_tx=%p", 468d80a401aed31d06f261efd19223cf55d1a2a8228Dmitry Shmidt wpa_s->pending_action_tx); 4691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wpa_s->pending_action_tx); 4701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpa_s->pending_action_tx = NULL; 471a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt} 472a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 473a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt 474a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt/** 475a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * offchannel_deinit - Deinit off-channel operations 476a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * @wpa_s: Pointer to wpa_supplicant data 477a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * 478a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * This function is used to free up any allocated resources for off-channel 479a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt * operations. 480a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt */ 481a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidtvoid offchannel_deinit(struct wpa_supplicant *wpa_s) 482a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt{ 483a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt offchannel_clear_pending_action_tx(wpa_s); 4841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt eloop_cancel_timeout(wpas_send_action_cb, wpa_s, NULL); 4851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 486