3c81f7d587
* The mdns responder has been reworked to lower stack and memory usage. This is a variation on the upstream code, it use malloc whereas the upstream code uses pools. The high stack usage of the mdns responder was problem for esp-open-rtos, so we might have to maintain the differences for now. * Improved lwip core locking, and lock checking. Upstream improvements, that need some added support from esp-open-rtos specific code. More core lock is performed when calling from the esp-open-rtos code now, so a little safer. The checking is not enforced, but projects might see warning messages and might want to look into them. * The esp-open-rtos lwip support has been sync'ed with the new freertos port included with lwip. There are still some minor differences. * A few lwip timer bugs have been resolved. This might help resolve some issues. * Plus it picks up all the other upstream fixes and improvements. * The default lwip stack has been lowered from 768 words to 480 words, due to the reduced stack usage by the mdns responder.
314 lines
8.6 KiB
C
314 lines
8.6 KiB
C
/* Recreated Espressif libnet80211 ieee80211_hostap.o contents.
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Copyright (C) 2015 Espressif Systems. Derived from MIT Licensed SDK libraries.
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BSD Licensed as described in the file LICENSE
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*/
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#include <string.h>
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#include "tcpip.h"
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#include "espressif/esp_wifi.h"
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#include "espressif/esp_misc.h"
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#include "etstimer.h"
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#include "esplibs/libmain.h"
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#include "esplibs/libnet80211.h"
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#include "esplibs/libpp.h"
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#include "esplibs/libwpa.h"
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static uint8_t hostap_flags = 0;
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static ETSTimer hostap_timer;
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static struct esf_buf *hostap_timer_parg = NULL;
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void IRAM *zalloc(size_t nbytes);
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static void IRAM hostap_timer_func(struct esf_buf *esf_buf) {
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struct sdk_cnx_node *cnx_node = sdk_g_ic.v.softap_netif_info->cnx_nodes[0];
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int32_t mode = sdk_wifi_get_phy_mode();
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uint8_t *frame = esf_buf->frame;
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*(uint16_t *)(frame + 22) = (cnx_node->_unknown9c - 1) << 4;
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cnx_node->_unknown9c += 1;
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if (sdk_g_ic.s.wifi_led_enable) {
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uint32_t gpio = sdk_g_ic.s.wifi_led_gpio;
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uint32_t state = sdk_g_ic.s.wifi_led_state;
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sdk_gpio_output_set(state << gpio, (((state & 1) == 0) ? 1 : 0) << gpio,
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1 << gpio, 0);
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sdk_g_ic.s.wifi_led_state = (state & 1) ? 0 : 1;
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}
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uint8_t *frame2 = frame + sdk_g_ic.s._unknown288 + (mode == 1 ? 23 : 27) ;
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memcpy(frame2 + 29, &sdk_g_ic.v._unknown1d2, 1);
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uint32_t v1 = frame2[26];
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if (v1 == 0) {
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v1 = frame2[27];
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}
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frame2[26] = v1 - 1;
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uint32_t v2 = sdk_ieee80211_chan2ieee(sdk_g_ic.v._unknown14c);
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frame2[23] = v2;
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sdk_g_ic.s._unknown30d = v2;
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int32_t v3 = *((volatile int32_t *)0x3ff20c00); // mactime
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*(uint32_t *)(esf_buf->extra + 16) = v3;
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*(uint32_t *)(frame + 24) = v3;
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*(uint32_t *)(frame + 28) = 0;
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if (sdk_chm_check_same_channel()) {
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hostap_flags |= 1;
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sdk_ppTxPkt(esf_buf);
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return;
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}
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sdk_ets_timer_disarm(&hostap_timer);
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sdk_ets_timer_arm(&hostap_timer, sdk_wDev_Get_Next_TBTT(), 0);
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}
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static void IRAM hostap_tx_callback() {
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uint32_t flags = hostap_flags & 0xfe;
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if (sdk_TmpSTAAPCloseAP == 0) {
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hostap_flags = flags;
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sdk_ets_timer_disarm(&hostap_timer);
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sdk_ets_timer_arm(&hostap_timer, sdk_wDev_Get_Next_TBTT(), 0);
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return;
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}
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sdk_PendFreeBcnEb = 1;
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if (flags & 2) {
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hostap_flags = flags & 0xfd;
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sdk_wifi_softap_start();
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return;
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}
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hostap_flags = flags;
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}
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static void hostap_attach_misc() {
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struct sdk_g_ic_netif_info *netif_info = sdk_g_ic.v.softap_netif_info;
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struct _unknown_softap1 *ptr1 = zalloc(28); // 0x1c
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netif_info->_unknownb4 = ptr1;
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struct _unknown_softap2 *ptr2 = zalloc(204); // 0xcc
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ptr1->_unknown04 = ptr2;
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struct _unknown_wpa1 *ptr3 = zalloc(76); // 0x4c
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uint32_t v1 = sdk_g_ic.s._unknown30e;
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if (v1 == 2) {
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ptr3->_unknown00 = 1;
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} else if (v1 == 3) {
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ptr3->_unknown00 = 2;
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} else if (v1 == 4) {
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ptr3->_unknown00 = 3;
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}
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ptr3->_unknown28 = 2;
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ptr3->_unknown04 = 2;
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ptr3->_unknown0c = 2;
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ptr3->_unknown08 = 10;
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ptr3->_unknown20 = 10;
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int s1 = (sdk_g_ic.s._unknown28a << 16) | sdk_g_ic.s._unknown288;
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memcpy(&ptr2->_unknown10, &sdk_g_ic.s._unknown28c, s1);
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ptr2->_unknown30 = s1;
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uint8_t *ptr4 = zalloc(64); // 0x40
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ptr2->_unknown3c = ptr4;
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char *str1 = sdk_g_ic.s._unknown2ac;
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memcpy(ptr4, str1, strlen(str1));
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struct sdk_cnx_node *cnx_node = netif_info->cnx_nodes[0];
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ptr2->_unknownb4 = 300;
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netif_info->_unknown4c = 3;
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netif_info->_unknown48 |= 16;
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cnx_node->_unknown08 |= 1;
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sdk_hostapd_setup_wpa_psk(ptr2);
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struct netif *netif = netif_info->netif;
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ptr1->_unknown18 = sdk_wpa_init(&netif->hwaddr, ptr3, 0);
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free(ptr3);
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}
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static void softap_stop_free() {
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struct sdk_g_ic_netif_info *netif_info = sdk_g_ic.v.softap_netif_info;
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netif_info->_unknown4c = 0;
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netif_info->_unknown48 &= 0xffffffef;
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netif_info->cnx_nodes[0]->_unknown08 = 0;
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struct _unknown_softap1 *unkb4 = netif_info->_unknownb4;
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if (!unkb4) return;
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uint32_t *unk18 = unkb4->_unknown18;
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if (unk18) {
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uint32_t *ptr1 = ((uint32_t **)unk18)[20];
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if (ptr1)
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free(ptr1);
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uint32_t *ptr2 = *(uint32_t **)unk18;
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if (ptr2)
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free(ptr2);
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free(unk18);
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}
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struct _unknown_softap2 *unk04 = unkb4->_unknown04;
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if (unk04) {
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uint32_t *unk38 = unk04->_unknown38;
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if (unk38)
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free(unk38);
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uint8_t *unk3c = unk04->_unknown3c;
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if (unk3c)
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free(unk3c);
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free(unk04);
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}
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free(unkb4);
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netif_info->_unknownb4 = NULL;
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}
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void sdk_ieee80211_hostap_attach(struct sdk_g_ic_st *ic) {
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uint32_t scratch[12]; // ??
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struct sdk_g_ic_netif_info *netif_info = ic->v.softap_netif_info;
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uint32_t v1 = ic->s._unknown30e;
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if (v1 >= 2 && v1 < 5)
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hostap_attach_misc();
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struct netif *netif = netif_info->netif;
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sdk_ic_bss_info_update(1, &netif->hwaddr, 2, 100);
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ic->v._unknown1d0 = 0;
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netif_info->_unknown3c = 5;
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sdk_ppRegisterTxCallback(hostap_tx_callback, 4);
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hostap_timer_parg = sdk_ieee80211_beacon_alloc(netif_info, scratch);
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sdk_ets_timer_disarm(&hostap_timer);
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sdk_ets_timer_setfn(&hostap_timer, (ETSTimerFunc *)hostap_timer_func, hostap_timer_parg);
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sdk_wDev_Reset_TBTT();
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sdk_ets_timer_arm(&hostap_timer, sdk_wDev_Get_Next_TBTT(), 0);
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}
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bool sdk_wifi_softap_start() {
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struct sdk_g_ic_netif_info *netif_info = sdk_g_ic.v.softap_netif_info;
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if (!netif_info) return 0;
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if (netif_info->started) return 1;
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uint8_t flags = hostap_flags;
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if (flags & 1) {
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hostap_flags = flags | 2;
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return 1;
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}
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uint8_t (*mac_addr)[6] = &sdk_info.softap_mac_addr;
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if (!netif_info->netif) {
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struct netif *netif = (struct netif *)malloc(sizeof(struct netif));
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netif_info->netif = netif;
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memcpy(&netif->hwaddr, mac_addr, 6);
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LOCK_TCPIP_CORE();
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netif_add(netif, &sdk_info.softap_ipaddr, &sdk_info.softap_netmask,
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&sdk_info.softap_gw, netif_info, ethernetif_init, tcpip_input);
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UNLOCK_TCPIP_CORE();
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}
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sdk_ic_set_vif(1, 1, mac_addr, 1, 0);
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LOCK_TCPIP_CORE();
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netif_set_up(netif_info->netif);
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UNLOCK_TCPIP_CORE();
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if (sdk_wifi_get_opmode() != 3 ||
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!sdk_g_ic.v.station_netif_info ||
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sdk_g_ic.v.station_netif_info->_unknown3c < 2) {
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uint32_t i1 = (sdk_g_ic.s._unknown30d - 1) & 0xff;
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int nmi_on = sdk_NMIIrqIsOn;
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if (!nmi_on) {
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vPortEnterCritical();
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do {
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DPORT.DPORT0 = DPORT.DPORT0 & 0xffffffe0;
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} while (DPORT.DPORT0 & 1);
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}
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// current channel?
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uint32_t *chan = &sdk_g_ic.v._unknown84[i1 * 3];
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sdk_g_ic.v._unknown14c = chan;
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if (!nmi_on) {
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DPORT.DPORT0 = (DPORT.DPORT0 & 0xffffffe0) | 1;
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vPortExitCritical();
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}
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sdk_chm_set_current_channel(chan);
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}
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sdk_ieee80211_hostap_attach(&sdk_g_ic);
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sdk_TmpSTAAPCloseAP = 0;
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netif_info->started = 1;
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return 1;
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}
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bool sdk_wifi_softap_stop() {
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struct sdk_g_ic_netif_info *netif_info = sdk_g_ic.v.softap_netif_info;
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if (!netif_info)
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return 0;
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if (!netif_info->started)
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return 1;
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uint32_t end = sdk_g_ic.s._unknown310 + 2;
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uint32_t count = 1;
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// Note this defensive test seems dead code, the value is loaded
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// as a uint8_t value so adding 2 ensures this test always passes.
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if (end >= 2) {
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do {
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struct sdk_cnx_node *cnx_node = netif_info->cnx_nodes[count];
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if (cnx_node) {
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struct sdk_cnx_node *cnx_node2 = netif_info->_unknown88;
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netif_info->_unknown88 = cnx_node;
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sdk_ieee80211_send_mgmt(netif_info, 160, 4);
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sdk_ieee80211_send_mgmt(netif_info, 192, 2);
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netif_info->_unknown88 = cnx_node2;
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sdk_cnx_node_leave(netif_info, netif_info->cnx_nodes[count]);
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// Number of entries might have changed, perhaps
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// should have if one was removed above?
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end = sdk_g_ic.s._unknown310 + 2;
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}
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count++;
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} while (count < end);
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}
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LOCK_TCPIP_CORE();
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netif_set_down(netif_info->netif);
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UNLOCK_TCPIP_CORE();
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sdk_TmpSTAAPCloseAP = 1;
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sdk_ets_timer_disarm(&hostap_timer);
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sdk_ic_bss_info_update(1, &sdk_info.softap_mac_addr, 2, 0);
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sdk_ic_set_vif(1, 0, NULL, 1, 0);
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softap_stop_free();
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if ((hostap_flags & 1) == 0)
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sdk_esf_buf_recycle(hostap_timer_parg, 4);
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netif_info->started = 0;
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return 1;
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}
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