[PATCH 02/25] Make channel_info available to the supplicant state machine

[Maty Vanhoef <Mathy.Vanhoef@xxxxxxxxxxxxxx>]

This adds the necessary functions and callbacks to make the channel_info
driver API available to the supplicant state machine that implements the
4-way and group key handshake.

Signed-off-by: Mathy Vanhoef <Mathy.Vanhoef@xxxxxxxxxxxxxx>
---
 src/rsn_supp/wpa.h         | 2 ++
 src/rsn_supp/wpa_i.h       | 8 ++++++++
 wpa_supplicant/driver_i.h  | 8 ++++++++
 wpa_supplicant/wpas_glue.c | 8 ++++++++
 wpa_supplicant/wpas_glue.h | 1 +
 5 files changed, 27 insertions(+)

diff --git a/src/rsn_supp/wpa.h b/src/rsn_supp/wpa.h
index 21f4b1781..d52b8e033 100644
--- a/src/rsn_supp/wpa.h
+++ b/src/rsn_supp/wpa.h
@@ -18,6 +18,7 @@ struct wpa_sm;
 struct eapol_sm;
 struct wpa_config_blob;
 struct hostapd_freq_params;
+struct wpa_channel_info;
 
 struct wpa_sm_ctx {
 	void *ctx; /* pointer to arbitrary upper level context */
@@ -82,6 +83,7 @@ struct wpa_sm_ctx {
 	int (*key_mgmt_set_pmk)(void *ctx, const u8 *pmk, size_t pmk_len);
 	void (*fils_hlp_rx)(void *ctx, const u8 *dst, const u8 *src,
 			    const u8 *pkt, size_t pkt_len);
+	int (*channel_info)(void *ctx, struct wpa_channel_info *ci);
 };
 
 
diff --git a/src/rsn_supp/wpa_i.h b/src/rsn_supp/wpa_i.h
index b94b17a85..d7ea29b81 100644
--- a/src/rsn_supp/wpa_i.h
+++ b/src/rsn_supp/wpa_i.h
@@ -198,6 +198,14 @@ static inline int wpa_sm_set_key(struct wpa_sm *sm, enum wpa_alg alg,
 				seq, seq_len, key, key_len);
 }
 
+static inline int wpa_sm_channel_info(struct wpa_sm *sm,
+				      struct wpa_channel_info *ci)
+{
+	WPA_ASSERT(sm->ctx->channel_info);
+	return sm->ctx->channel_info(sm->ctx->ctx, ci);
+}
+
+
 static inline void * wpa_sm_get_network_ctx(struct wpa_sm *sm)
 {
 	WPA_ASSERT(sm->ctx->get_network_ctx);
diff --git a/wpa_supplicant/driver_i.h b/wpa_supplicant/driver_i.h
index 078de23f7..5581bb064 100644
--- a/wpa_supplicant/driver_i.h
+++ b/wpa_supplicant/driver_i.h
@@ -492,6 +492,14 @@ static inline int wpa_drv_signal_poll(struct wpa_supplicant *wpa_s,
 	return -1;
 }
 
+static inline int wpa_drv_channel_info(struct wpa_supplicant *wpa_s,
+				       struct wpa_channel_info *ci)
+{
+	if (wpa_s->driver->channel_info)
+		return wpa_s->driver->channel_info(wpa_s->drv_priv, ci);
+	return -1;
+}
+
 static inline int wpa_drv_pktcnt_poll(struct wpa_supplicant *wpa_s,
 				      struct hostap_sta_driver_data *sta)
 {
diff --git a/wpa_supplicant/wpas_glue.c b/wpa_supplicant/wpas_glue.c
index 4634ed7fc..e22f20fa7 100644
--- a/wpa_supplicant/wpas_glue.c
+++ b/wpa_supplicant/wpas_glue.c
@@ -517,6 +517,13 @@ static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
 }
 
 
+static int wpa_supplicant_channel_info(void *_wpa_s, struct wpa_channel_info *ci)
+{
+	struct wpa_supplicant *wpa_s = _wpa_s;
+	return wpa_drv_channel_info(wpa_s, ci);
+}
+
+
 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
 					     int protection_type,
 					     int key_type)
@@ -1233,6 +1240,7 @@ int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
 	ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
 	ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
 	ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
+	ctx->channel_info = wpa_supplicant_channel_info;
 
 	wpa_s->wpa = wpa_sm_init(ctx);
 	if (wpa_s->wpa == NULL) {
diff --git a/wpa_supplicant/wpas_glue.h b/wpa_supplicant/wpas_glue.h
index 5585e5615..27aa69869 100644
--- a/wpa_supplicant/wpas_glue.h
+++ b/wpa_supplicant/wpas_glue.h
@@ -10,6 +10,7 @@
 #define WPAS_GLUE_H
 
 enum wpa_ctrl_req_type;
+struct wpa_channel_info;
 
 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s);
 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s);
-- 
2.18.0

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