P2P: Extend the listen time based on the active concurrent session
A P2P Device while in the Listen state waiting to respond for the obtained group negotiation request shall give a fair chance for other concurrent sessions to use the shared radio by inducing an idle time between the successive listen states. However, if there are no concurrent operations, this idle time can be reduced. Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
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3 changed files with 31 additions and 6 deletions
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@ -3149,13 +3149,13 @@ static void p2p_timeout_connect_listen(struct p2p_data *p2p)
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static void p2p_timeout_wait_peer_connect(struct p2p_data *p2p)
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static void p2p_timeout_wait_peer_connect(struct p2p_data *p2p)
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{
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{
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/*
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* TODO: could remain constantly in Listen state for some time if there
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* are no other concurrent uses for the radio. For now, go to listen
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* state once per second to give other uses a chance to use the radio.
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*/
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p2p_set_state(p2p, P2P_WAIT_PEER_IDLE);
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p2p_set_state(p2p, P2P_WAIT_PEER_IDLE);
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if (p2p->cfg->is_concurrent_session_active &&
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p2p->cfg->is_concurrent_session_active(p2p->cfg->cb_ctx))
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p2p_set_timeout(p2p, 0, 500000);
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p2p_set_timeout(p2p, 0, 500000);
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else
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p2p_set_timeout(p2p, 0, 200000);
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}
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}
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@ -789,6 +789,15 @@ struct p2p_config {
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*/
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*/
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void (*presence_resp)(void *ctx, const u8 *src, u8 status,
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void (*presence_resp)(void *ctx, const u8 *src, u8 status,
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const u8 *noa, size_t noa_len);
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const u8 *noa, size_t noa_len);
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/**
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* is_concurrent_session_active - Check whether concurrent session is
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* active on other virtual interfaces
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* @ctx: Callback context from cb_ctx
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* Returns: 1 if concurrent session is active on other virtual interface
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* or 0 if not.
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*/
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int (*is_concurrent_session_active)(void *ctx);
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};
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};
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@ -3571,6 +3571,21 @@ static int wpas_go_connected(void *ctx, const u8 *dev_addr)
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}
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}
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static int wpas_is_concurrent_session_active(void *ctx)
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{
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struct wpa_supplicant *wpa_s = ctx;
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struct wpa_supplicant *ifs;
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for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
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if (ifs == wpa_s)
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continue;
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if (ifs->wpa_state > WPA_ASSOCIATED)
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return 1;
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}
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return 0;
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}
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static void wpas_p2p_debug_print(void *ctx, int level, const char *msg)
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static void wpas_p2p_debug_print(void *ctx, int level, const char *msg)
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{
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{
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struct wpa_supplicant *wpa_s = ctx;
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struct wpa_supplicant *wpa_s = ctx;
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@ -3685,6 +3700,7 @@ int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
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p2p.get_noa = wpas_get_noa;
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p2p.get_noa = wpas_get_noa;
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p2p.go_connected = wpas_go_connected;
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p2p.go_connected = wpas_go_connected;
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p2p.presence_resp = wpas_presence_resp;
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p2p.presence_resp = wpas_presence_resp;
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p2p.is_concurrent_session_active = wpas_is_concurrent_session_active;
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os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
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os_memcpy(wpa_s->global->p2p_dev_addr, wpa_s->own_addr, ETH_ALEN);
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os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN);
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os_memcpy(p2p.dev_addr, wpa_s->global->p2p_dev_addr, ETH_ALEN);
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