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meta-digi/meta-digi-dey/recipes-connectivity/wpa-supplicant/wpa-supplicant/murata/0044-Establish-a-Default-TW...

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From 045ff0dc8aaa1297096c7a941045c74bf1a0e7f3 Mon Sep 17 00:00:00 2001
From: Ramanathan Ramakrishnan <rmrk@cypress.com>
Date: Thu, 27 Oct 2022 06:00:28 -0500
Subject: [PATCH 44/60] Establish a Default TWT session in the STA after
associating with the AP
Add a new wpa_supplicant conf param "twt_def_algo" to set the Default/Auto
TWT profile. Allowed Values are 0-disable, 1-idle profile, 2-active profile
TWT session
Signed-off-by: Ramanathan Ramakrishnan <rmrk@cypress.com>
Signed-off-by: Gokul Sivakumar <gokulkumar.sivakumar@infineon.com>
---
wpa_supplicant/config.c | 3 ++
wpa_supplicant/config.h | 11 ++++
wpa_supplicant/events.c | 6 +++
wpa_supplicant/twt.c | 85 +++++++++++++++++++++++++++++++
wpa_supplicant/wpa_supplicant.c | 6 +++
wpa_supplicant/wpa_supplicant_i.h | 2 +
6 files changed, 113 insertions(+)
diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
index 737e46be5..afb36c816 100644
--- a/wpa_supplicant/config.c
+++ b/wpa_supplicant/config.c
@@ -5094,6 +5094,9 @@ static const struct global_parse_data global_fields[] = {
{ INT_RANGE(eapol_version, 1, 2), 0 },
#endif /* CONFIG_MACSEC */
{ INT(ap_scan), 0 },
+#ifdef CONFIG_TWT_OFFLOAD_IFX
+ { INT_RANGE(twt_def_algo, 0 , 2), 0 },
+#endif /* CONFIG_TWT_OFFLOAD_IFX */
{ FUNC(bgscan), CFG_CHANGED_BGSCAN },
#ifdef CONFIG_MESH
{ INT(user_mpm), 0 },
diff --git a/wpa_supplicant/config.h b/wpa_supplicant/config.h
index d22ef05fb..d824d9ad5 100644
--- a/wpa_supplicant/config.h
+++ b/wpa_supplicant/config.h
@@ -487,6 +487,17 @@ struct wpa_config {
*/
int ap_scan;
+#ifdef CONFIG_TWT_OFFLOAD_IFX
+ /**
+ * twt_def_algo - Default (Auto) TWT profile
+ *
+ * This provides the value of the default TWT profile to be setup
+ * Values for this or 0-disable, 1-idle profile, 2-active profile TWT
+ * session
+ */
+ int twt_def_algo;
+#endif /* CONFIG_TWT_OFFLOAD_IFX */
+
/**
* bgscan - Background scan and roaming parameters or %NULL if none
*
diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index bfd49ee43..7fcd057b3 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -3568,6 +3568,12 @@ static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
" reason=%d%s",
MAC2STR(bssid), reason_code,
locally_generated ? " locally_generated=1" : "");
+#ifdef CONFIG_TWT_OFFLOAD_IFX
+ if (locally_generated &&
+ wpas_twt_offload_deinit_default_session(wpa_s))
+ wpa_msg(wpa_s, MSG_ERROR,
+ "Failed to cleanup all the TWT sessions including Default session");
+#endif
}
}
diff --git a/wpa_supplicant/twt.c b/wpa_supplicant/twt.c
index b1727603f..ff75b7ed3 100644
--- a/wpa_supplicant/twt.c
+++ b/wpa_supplicant/twt.c
@@ -9,10 +9,17 @@
#include "includes.h"
#include "utils/common.h"
+#include "config.h"
#include "wpa_supplicant_i.h"
#include "driver_i.h"
+#include "scan.h"
#ifdef CONFIG_TWT_OFFLOAD_IFX
+#define TWT_NONE 0
+#define TWT_IDLE 1
+#define TWT_ACTIVE 2
+#define TWT_TEARDOWN_ALL 128
+
/**
* wpas_twt_offload_send_setup - Send TWT Setup frame to our AP
* @wpa_s: Pointer to wpa_supplicant
@@ -183,6 +190,84 @@ fail:
return ret;
}
+int wpas_twt_offload_init_default_session(struct wpa_supplicant *wpa_s)
+{
+ int exponent = 10, mantissa = 8192, setup_cmd = 2, flow_id = 0, ret = 0;
+ unsigned long long twt = 0, twt_offset = 0;
+ bool requestor = true, trigger = true, implicit = true, flow_type = true,
+ protection = false;
+ u8 dtok = 1, min_twt = 255, twt_channel = 0,
+ control = BIT(4); /* Control field (IEEE P802.11ax/D8.0 Figure
+ * 9-687): B4 = TWT Information Frame Disabled */
+
+ if (wpa_s->conf->twt_def_algo == TWT_NONE) {
+ wpa_printf(MSG_DEBUG, "TWT offload: Default TWT is disabled");
+ goto exit;
+ }
+
+ wpa_printf(MSG_DEBUG, "TWT offload: Init Default TWT, profile %d, freq %d",
+ wpa_s->conf->twt_def_algo, wpa_s->assoc_freq);
+
+ if (wpa_s->conf->twt_def_algo == TWT_IDLE) {
+ /* TWT profile for Idle traffic */
+ if (IS_2P4GHZ(wpa_s->assoc_freq)) {
+ /*
+ * 2G Band
+ * SP=2ms and SI=614.4ms
+ */
+ min_twt = 8;
+ mantissa = 600;
+ exponent = 10;
+ } else { /*
+ * 5G or 6G Band
+ * SP=512us and SI=614.4ms
+ */
+ min_twt = 2;
+ mantissa = 600;
+ exponent = 10;
+ }
+ } else if (wpa_s->conf->twt_def_algo == TWT_ACTIVE) {
+ /*
+ * TWT profile for Active traffic
+ * 2G, 5G and 6G Bands
+ * SP=8ms and SI=50ms
+ */
+ min_twt = 31;
+ mantissa = 50000;
+ exponent = 0;
+ } else {
+ wpa_printf(MSG_ERROR, "TWT offload: Invalid Default TWT profile");
+ ret = -1;
+ goto exit;
+ }
+
+ ret = wpas_twt_offload_send_setup(wpa_s, dtok, exponent, mantissa,
+ min_twt, setup_cmd, twt, twt_offset,
+ requestor, trigger, implicit, flow_type,
+ flow_id, protection, twt_channel,
+ control);
+exit:
+ return ret;
+}
+
+int wpas_twt_offload_deinit_default_session(struct wpa_supplicant *wpa_s)
+{
+ int flags = TWT_TEARDOWN_ALL, ret = 0;
+
+ if (wpa_s->conf->twt_def_algo == TWT_NONE) {
+ goto exit;
+ }
+
+ /* Clear all TWT sessions created by STA including default */
+ wpa_printf(MSG_DEBUG,
+ "TWT offload: De-init Default TWT, profile %d, freq %d",
+ wpa_s->conf->twt_def_algo, wpa_s->assoc_freq);
+
+ ret = wpas_twt_offload_send_teardown(wpa_s, flags);
+exit:
+ return ret;
+}
+
#else
/**
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index f238dadcf..d3d4fbc5d 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -1001,7 +1001,13 @@ void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
ssid ? ssid->id : -1,
ssid && ssid->id_str ? ssid->id_str : "",
fils_hlp_sent ? " FILS_HLP_SENT" : "");
+
#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
+#ifdef CONFIG_TWT_OFFLOAD_IFX
+ if (wpas_twt_offload_init_default_session(wpa_s))
+ wpa_msg(wpa_s, MSG_ERROR,
+ "Failed to esablish a TWT session by default after Connection");
+#endif /* CONFIG_TWT_OFFLOAD_IFX */
wpas_clear_temp_disabled(wpa_s, ssid, 1);
wpa_s->consecutive_conn_failures = 0;
wpa_s->new_connection = 0;
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index a4fca4b3a..28eff55ed 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -1650,6 +1650,8 @@ int wpas_twt_offload_send_setup(struct wpa_supplicant *wpa_s, u8 dtok, int expon
bool implicit, bool flow_type, u8 flow_id,
bool protection, u8 twt_channel, u8 control);
int wpas_twt_offload_send_teardown(struct wpa_supplicant *wpa_s, u8 flags);
+int wpas_twt_offload_init_default_session(struct wpa_supplicant *wpa_s);
+int wpas_twt_offload_deinit_default_session(struct wpa_supplicant *wpa_s);
#else
int wpas_twt_send_setup(struct wpa_supplicant *wpa_s, u8 dtok, int exponent,
int mantissa, u8 min_twt, int setup_cmd, u64 twt,
--
2.17.1
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