[PATCH v4 06/13] MLD STA: Add support to configure keys with MLO link ID

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Add support to specify link ID for set key operation for MLO connection.

Signed-off-by: Veerendranath Jakkam <quic_vjakkam@xxxxxxxxxxx>
---
 src/ap/ap_drv_ops.c                           |  1 +
 src/drivers/driver.h                          |  6 +++++
 src/drivers/driver_nl80211.c                  | 21 ++++++++++++++++--
 src/rsn_supp/tdls.c                           |  4 ++--
 src/rsn_supp/wpa.c                            | 21 +++++++++---------
 src/rsn_supp/wpa.h                            |  2 +-
 src/rsn_supp/wpa_ft.c                         |  8 +++----
 src/rsn_supp/wpa_i.h                          |  8 +++----
 tests/fuzzing/eapol-key-supp/eapol-key-supp.c |  7 +++---
 wpa_supplicant/ctrl_iface.c                   | 22 +++++++++----------
 wpa_supplicant/driver_i.h                     |  3 ++-
 wpa_supplicant/events.c                       |  2 +-
 wpa_supplicant/ibss_rsn.c                     |  8 +++----
 wpa_supplicant/mesh_mpm.c                     |  8 ++++---
 wpa_supplicant/mesh_rsn.c                     |  6 ++---
 wpa_supplicant/preauth_test.c                 |  2 +-
 wpa_supplicant/wpa_priv.c                     |  1 +
 wpa_supplicant/wpa_supplicant.c               | 14 ++++++------
 wpa_supplicant/wpas_glue.c                    | 12 +++++-----
 19 files changed, 93 insertions(+), 63 deletions(-)

diff --git a/src/ap/ap_drv_ops.c b/src/ap/ap_drv_ops.c
index 721be4da1..ebc0dba9a 100644
--- a/src/ap/ap_drv_ops.c
+++ b/src/ap/ap_drv_ops.c
@@ -724,6 +724,7 @@ int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
 	params.key_len = key_len;
 	params.vlan_id = vlan_id;
 	params.key_flag = key_flag;
+	params.link_id = -1;
 
 	return hapd->driver->set_key(hapd->drv_priv, &params);
 }
diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index 82fec2174..573dd7dd5 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -1788,6 +1788,12 @@ struct wpa_driver_set_key_params {
 	 * %KEY_FLAG_RX_TX
 	 *  RX/TX key. */
 	enum key_flag key_flag;
+
+	/**
+	 * link_id - MLO link ID
+	 *
+	 * set to valid link ID (0-14) when applicable, otherwise -1 */
+	int link_id;
 };
 
 enum wpa_driver_if_type {
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 38e3f825c..ad1ca3348 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -3345,6 +3345,7 @@ static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
 	size_t key_len = params->key_len;
 	int vlan_id = params->vlan_id;
 	enum key_flag key_flag = params->key_flag;
+	int link_id = params->link_id;
 
 	/* Ignore for P2P Device */
 	if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
@@ -3352,9 +3353,10 @@ static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
 
 	ifindex = if_nametoindex(ifname);
 	wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
-		   "set_tx=%d seq_len=%lu key_len=%lu key_flag=0x%x",
+		   "set_tx=%d seq_len=%lu key_len=%lu key_flag=0x%x link_id=%d",
 		   __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
-		   (unsigned long) seq_len, (unsigned long) key_len, key_flag);
+		   (unsigned long) seq_len, (unsigned long) key_len, key_flag,
+		   link_id);
 
 	if (check_key_flag(key_flag)) {
 		wpa_printf(MSG_DEBUG, "%s: invalid key_flag", __func__);
@@ -3481,6 +3483,13 @@ static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
 			goto fail;
 	}
 
+	if (link_id != -1) {
+		wpa_printf(MSG_DEBUG, "nl80211: Link ID %d",
+			   link_id);
+		if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
+			goto fail;
+	}
+
 	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
 		ret = 0;
@@ -3543,6 +3552,13 @@ static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
 			goto fail;
 	}
 
+	if (link_id != -1) {
+		wpa_printf(MSG_DEBUG, "nl80211: set_key default - Link ID %d",
+			   link_id);
+		if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
+			goto fail;
+	}
+
 	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret)
 		wpa_printf(MSG_DEBUG,
@@ -3870,6 +3886,7 @@ retry:
 	os_memset(&p, 0, sizeof(p));
 	p.ifname = bss->ifname;
 	p.alg = WPA_ALG_WEP;
+	p.link_id = -1;
 	for (i = 0; i < 4; i++) {
 		if (!params->wep_key[i])
 			continue;
diff --git a/src/rsn_supp/tdls.c b/src/rsn_supp/tdls.c
index c26a63d82..97537ee19 100644
--- a/src/rsn_supp/tdls.c
+++ b/src/rsn_supp/tdls.c
@@ -180,7 +180,7 @@ static u8 * wpa_add_ie(u8 *pos, const u8 *ie, size_t ie_len)
 
 static int wpa_tdls_del_key(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
 {
-	if (wpa_sm_set_key(sm, WPA_ALG_NONE, peer->addr,
+	if (wpa_sm_set_key(sm, -1, WPA_ALG_NONE, peer->addr,
 			   0, 0, NULL, 0, NULL, 0, KEY_FLAG_PAIRWISE) < 0) {
 		wpa_printf(MSG_WARNING, "TDLS: Failed to delete TPK-TK from "
 			   "the driver");
@@ -230,7 +230,7 @@ static int wpa_tdls_set_key(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
 
 	wpa_printf(MSG_DEBUG, "TDLS: Configure pairwise key for peer " MACSTR,
 		   MAC2STR(peer->addr));
-	if (wpa_sm_set_key(sm, alg, peer->addr, 0, 1, rsc, sizeof(rsc),
+	if (wpa_sm_set_key(sm, -1, alg, peer->addr, 0, 1, rsc, sizeof(rsc),
 			   peer->tpk.tk, key_len,
 			   KEY_FLAG_PAIRWISE_RX_TX) < 0) {
 		wpa_printf(MSG_WARNING, "TDLS: Failed to set TPK to the "
diff --git a/src/rsn_supp/wpa.c b/src/rsn_supp/wpa.c
index 4a917e583..79774fe65 100644
--- a/src/rsn_supp/wpa.c
+++ b/src/rsn_supp/wpa.c
@@ -1071,9 +1071,9 @@ static int wpa_supplicant_install_ptk(struct wpa_sm *sm,
 		wpa_hexdump(MSG_DEBUG, "WPA: RSC", key_rsc, rsclen);
 	}
 
-	if (wpa_sm_set_key(sm, alg, wpa_sm_get_auth_addr(sm), sm->keyidx_active,
-			   1, key_rsc, rsclen, sm->ptk.tk, keylen,
-			   KEY_FLAG_PAIRWISE | key_flag) < 0) {
+	if (wpa_sm_set_key(sm, -1, alg, wpa_sm_get_auth_addr(sm),
+			   sm->keyidx_active, 1, key_rsc, rsclen, sm->ptk.tk,
+			   keylen, KEY_FLAG_PAIRWISE | key_flag) < 0) {
 		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
 			"WPA: Failed to set PTK to the driver (alg=%d keylen=%d auth_addr="
 			MACSTR " idx=%d key_flag=0x%x)",
@@ -1120,8 +1120,9 @@ static int wpa_supplicant_activate_ptk(struct wpa_sm *sm)
 		"WPA: Activate PTK (idx=%d auth_addr=" MACSTR ")",
 		sm->keyidx_active, MAC2STR(wpa_sm_get_auth_addr(sm)));
 
-	if (wpa_sm_set_key(sm, 0, wpa_sm_get_auth_addr(sm), sm->keyidx_active,
-			   0, NULL, 0, NULL, 0, KEY_FLAG_PAIRWISE_RX_TX_MODIFY)
+	if (wpa_sm_set_key(sm, -1, 0, wpa_sm_get_auth_addr(sm),
+			   sm->keyidx_active, 0, NULL, 0, NULL, 0,
+			   KEY_FLAG_PAIRWISE_RX_TX_MODIFY)
 	    < 0) {
 		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
 			"WPA: Failed to activate PTK for TX (idx=%d auth_addr="
@@ -1201,7 +1202,7 @@ static int wpa_supplicant_install_gtk(struct wpa_sm *sm,
 		_gtk = gtk_buf;
 	}
 	if (sm->pairwise_cipher == WPA_CIPHER_NONE) {
-		if (wpa_sm_set_key(sm, gd->alg, NULL,
+		if (wpa_sm_set_key(sm, -1, gd->alg, NULL,
 				   gd->keyidx, 1, key_rsc, gd->key_rsc_len,
 				   _gtk, gd->gtk_len,
 				   KEY_FLAG_GROUP_RX_TX_DEFAULT) < 0) {
@@ -1211,7 +1212,7 @@ static int wpa_supplicant_install_gtk(struct wpa_sm *sm,
 			forced_memzero(gtk_buf, sizeof(gtk_buf));
 			return -1;
 		}
-	} else if (wpa_sm_set_key(sm, gd->alg, broadcast_ether_addr,
+	} else if (wpa_sm_set_key(sm, -1, gd->alg, broadcast_ether_addr,
 				  gd->keyidx, gd->tx, key_rsc, gd->key_rsc_len,
 				  _gtk, gd->gtk_len, KEY_FLAG_GROUP_RX) < 0) {
 		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
@@ -1364,7 +1365,7 @@ static int wpa_supplicant_install_igtk(struct wpa_sm *sm,
 			"WPA: Invalid IGTK KeyID %d", keyidx);
 		return -1;
 	}
-	if (wpa_sm_set_key(sm, wpa_cipher_to_alg(sm->mgmt_group_cipher),
+	if (wpa_sm_set_key(sm, -1, wpa_cipher_to_alg(sm->mgmt_group_cipher),
 			   broadcast_ether_addr,
 			   keyidx, 0, igtk->pn, sizeof(igtk->pn),
 			   igtk->igtk, len, KEY_FLAG_GROUP_RX) < 0) {
@@ -1433,7 +1434,7 @@ static int wpa_supplicant_install_bigtk(struct wpa_sm *sm,
 			"WPA: Invalid BIGTK KeyID %d", keyidx);
 		return -1;
 	}
-	if (wpa_sm_set_key(sm, wpa_cipher_to_alg(sm->mgmt_group_cipher),
+	if (wpa_sm_set_key(sm, -1, wpa_cipher_to_alg(sm->mgmt_group_cipher),
 			   broadcast_ether_addr,
 			   keyidx, 0, bigtk->pn, sizeof(bigtk->pn),
 			   bigtk->bigtk, len, KEY_FLAG_GROUP_RX) < 0) {
@@ -5231,7 +5232,7 @@ int fils_process_assoc_resp(struct wpa_sm *sm, const u8 *resp, size_t len)
 	rsclen = wpa_cipher_rsc_len(sm->pairwise_cipher);
 	wpa_hexdump_key(MSG_DEBUG, "FILS: Set TK to driver",
 			sm->ptk.tk, keylen);
-	if (wpa_sm_set_key(sm, alg, sm->bssid, 0, 1, null_rsc, rsclen,
+	if (wpa_sm_set_key(sm, -1, alg, sm->bssid, 0, 1, null_rsc, rsclen,
 			   sm->ptk.tk, keylen, KEY_FLAG_PAIRWISE_RX_TX) < 0) {
 		wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
 			"FILS: Failed to set PTK to the driver (alg=%d keylen=%d bssid="
diff --git a/src/rsn_supp/wpa.h b/src/rsn_supp/wpa.h
index 13d030c37..b97edd551 100644
--- a/src/rsn_supp/wpa.h
+++ b/src/rsn_supp/wpa.h
@@ -30,7 +30,7 @@ struct wpa_sm_ctx {
 	enum wpa_states (*get_state)(void *ctx);
 	void (*deauthenticate)(void * ctx, u16 reason_code);
 	void (*reconnect)(void *ctx);
-	int (*set_key)(void *ctx, enum wpa_alg alg,
+	int (*set_key)(void *ctx, int link_id, enum wpa_alg alg,
 		       const u8 *addr, int key_idx, int set_tx,
 		       const u8 *seq, size_t seq_len,
 		       const u8 *key, size_t key_len, enum key_flag key_flag);
diff --git a/src/rsn_supp/wpa_ft.c b/src/rsn_supp/wpa_ft.c
index e74396895..0726727a5 100644
--- a/src/rsn_supp/wpa_ft.c
+++ b/src/rsn_supp/wpa_ft.c
@@ -494,7 +494,7 @@ static int wpa_ft_install_ptk(struct wpa_sm *sm, const u8 *bssid)
 	alg = wpa_cipher_to_alg(sm->pairwise_cipher);
 	keylen = wpa_cipher_key_len(sm->pairwise_cipher);
 
-	if (wpa_sm_set_key(sm, alg, bssid, 0, 1, null_rsc, sizeof(null_rsc),
+	if (wpa_sm_set_key(sm, -1, alg, bssid, 0, 1, null_rsc, sizeof(null_rsc),
 			   (u8 *) sm->ptk.tk, keylen,
 			   KEY_FLAG_PAIRWISE_RX_TX) < 0) {
 		wpa_printf(MSG_WARNING, "FT: Failed to set PTK to the driver");
@@ -849,7 +849,7 @@ static int wpa_ft_process_gtk_subelem(struct wpa_sm *sm, const u8 *gtk_elem,
 		os_memcpy(gtk + 16, gtk + 24, 8);
 		os_memcpy(gtk + 24, tmp, 8);
 	}
-	if (wpa_sm_set_key(sm, alg, broadcast_ether_addr, keyidx, 0,
+	if (wpa_sm_set_key(sm, -1, alg, broadcast_ether_addr, keyidx, 0,
 			   gtk_elem + 3, rsc_len, gtk, keylen,
 			   KEY_FLAG_GROUP_RX) < 0) {
 		wpa_printf(MSG_WARNING, "WPA: Failed to set GTK to the "
@@ -916,7 +916,7 @@ static int wpa_ft_process_igtk_subelem(struct wpa_sm *sm, const u8 *igtk_elem,
 
 	wpa_hexdump_key(MSG_DEBUG, "FT: IGTK from Reassoc Resp", igtk,
 			igtk_len);
-	if (wpa_sm_set_key(sm, wpa_cipher_to_alg(sm->mgmt_group_cipher),
+	if (wpa_sm_set_key(sm, -1, wpa_cipher_to_alg(sm->mgmt_group_cipher),
 			   broadcast_ether_addr, keyidx, 0,
 			   igtk_elem + 2, 6, igtk, igtk_len,
 			   KEY_FLAG_GROUP_RX) < 0) {
@@ -984,7 +984,7 @@ static int wpa_ft_process_bigtk_subelem(struct wpa_sm *sm, const u8 *bigtk_elem,
 
 	wpa_hexdump_key(MSG_DEBUG, "FT: BIGTK from Reassoc Resp", bigtk,
 			bigtk_len);
-	if (wpa_sm_set_key(sm, wpa_cipher_to_alg(sm->mgmt_group_cipher),
+	if (wpa_sm_set_key(sm, -1, wpa_cipher_to_alg(sm->mgmt_group_cipher),
 			   broadcast_ether_addr, keyidx, 0,
 			   bigtk_elem + 2, 6, bigtk, bigtk_len,
 			   KEY_FLAG_GROUP_RX) < 0) {
diff --git a/src/rsn_supp/wpa_i.h b/src/rsn_supp/wpa_i.h
index c22fc268a..b3b5a1187 100644
--- a/src/rsn_supp/wpa_i.h
+++ b/src/rsn_supp/wpa_i.h
@@ -255,14 +255,14 @@ static inline void wpa_sm_deauthenticate(struct wpa_sm *sm, u16 reason_code)
 	sm->ctx->deauthenticate(sm->ctx->ctx, reason_code);
 }
 
-static inline int wpa_sm_set_key(struct wpa_sm *sm, enum wpa_alg alg,
-				 const u8 *addr, int key_idx, int set_tx,
-				 const u8 *seq, size_t seq_len,
+static inline int wpa_sm_set_key(struct wpa_sm *sm, int link_id,
+				 enum wpa_alg alg, const u8 *addr, int key_idx,
+				 int set_tx, const u8 *seq, size_t seq_len,
 				 const u8 *key, size_t key_len,
 				 enum key_flag key_flag)
 {
 	WPA_ASSERT(sm->ctx->set_key);
-	return sm->ctx->set_key(sm->ctx->ctx, alg, addr, key_idx, set_tx,
+	return sm->ctx->set_key(sm->ctx->ctx, link_id, alg, addr, key_idx, set_tx,
 				seq, seq_len, key, key_len, key_flag);
 }
 
diff --git a/tests/fuzzing/eapol-key-supp/eapol-key-supp.c b/tests/fuzzing/eapol-key-supp/eapol-key-supp.c
index 0c7189571..5982c240f 100644
--- a/tests/fuzzing/eapol-key-supp/eapol-key-supp.c
+++ b/tests/fuzzing/eapol-key-supp/eapol-key-supp.c
@@ -172,14 +172,15 @@ static int supp_get_beacon_ie(void *ctx)
 }
 
 
-static int supp_set_key(void *ctx, enum wpa_alg alg,
+static int supp_set_key(void *ctx, int link_id, enum wpa_alg alg,
 			const u8 *addr, int key_idx, int set_tx,
 			const u8 *seq, size_t seq_len,
 			const u8 *key, size_t key_len, enum key_flag key_flag)
 {
 	wpa_printf(MSG_DEBUG, "SUPP: %s(alg=%d addr=" MACSTR " key_idx=%d "
-		   "set_tx=%d key_flag=0x%x)",
-		   __func__, alg, MAC2STR(addr), key_idx, set_tx, key_flag);
+		   "set_tx=%d key_flag=0x%x link_id=%d)",
+		   __func__, alg, MAC2STR(addr), key_idx, set_tx, key_flag,
+		   link_id);
 	wpa_hexdump(MSG_DEBUG, "SUPP: set_key - seq", seq, seq_len);
 	wpa_hexdump(MSG_DEBUG, "SUPP: set_key - key", key, key_len);
 	return 0;
diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index 90eb67f2c..a658d93f5 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -5655,23 +5655,23 @@ static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
 {
 	wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
 	/* MLME-DELETEKEYS.request */
-	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL,
+	wpa_drv_set_key(wpa_s, -1, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL,
 			0, KEY_FLAG_GROUP);
-	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL,
+	wpa_drv_set_key(wpa_s, -1, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL,
 			0, KEY_FLAG_GROUP);
-	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL,
+	wpa_drv_set_key(wpa_s, -1, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL,
 			0, KEY_FLAG_GROUP);
-	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL,
+	wpa_drv_set_key(wpa_s, -1, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL,
 			0, KEY_FLAG_GROUP);
-	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL,
+	wpa_drv_set_key(wpa_s, -1, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL,
 			0, KEY_FLAG_GROUP);
-	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL,
+	wpa_drv_set_key(wpa_s, -1, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL,
 			0, KEY_FLAG_GROUP);
 
-	wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
-			0, KEY_FLAG_PAIRWISE);
+	wpa_drv_set_key(wpa_s, -1, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0,
+			NULL, 0, KEY_FLAG_PAIRWISE);
 	if (wpa_sm_ext_key_id(wpa_s->wpa))
-		wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 1, 0,
+		wpa_drv_set_key(wpa_s, -1, WPA_ALG_NONE, wpa_s->bssid, 1, 0,
 				NULL, 0, NULL, 0, KEY_FLAG_PAIRWISE);
 	/* MLME-SETPROTECTION.request(None) */
 	wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
@@ -9996,14 +9996,14 @@ static int wpas_ctrl_reset_pn(struct wpa_supplicant *wpa_s)
 
 	/* First, use a zero key to avoid any possible duplicate key avoidance
 	 * in the driver. */
-	if (wpa_drv_set_key(wpa_s, wpa_s->last_tk_alg, wpa_s->last_tk_addr,
+	if (wpa_drv_set_key(wpa_s, -1, wpa_s->last_tk_alg, wpa_s->last_tk_addr,
 			    wpa_s->last_tk_key_idx, 1, zero, 6,
 			    zero, wpa_s->last_tk_len,
 			    KEY_FLAG_PAIRWISE_RX_TX) < 0)
 		return -1;
 
 	/* Set the previously configured key to reset its TSC/RSC */
-	return wpa_drv_set_key(wpa_s, wpa_s->last_tk_alg, wpa_s->last_tk_addr,
+	return wpa_drv_set_key(wpa_s, -1, wpa_s->last_tk_alg, wpa_s->last_tk_addr,
 			       wpa_s->last_tk_key_idx, 1, zero, 6,
 			       wpa_s->last_tk, wpa_s->last_tk_len,
 			       KEY_FLAG_PAIRWISE_RX_TX);
diff --git a/wpa_supplicant/driver_i.h b/wpa_supplicant/driver_i.h
index 32379ae9c..5dd2a514c 100644
--- a/wpa_supplicant/driver_i.h
+++ b/wpa_supplicant/driver_i.h
@@ -143,7 +143,7 @@ static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
 	return -1;
 }
 
-static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s,
+static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s, int link_id,
 				  enum wpa_alg alg, const u8 *addr,
 				  int key_idx, int set_tx,
 				  const u8 *seq, size_t seq_len,
@@ -163,6 +163,7 @@ static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s,
 	params.key = key;
 	params.key_len = key_len;
 	params.key_flag = key_flag;
+	params.link_id = link_id;
 
 	if (alg != WPA_ALG_NONE) {
 		/* keyidx = 1 can be either a broadcast or--with
diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index 21372db8c..046d8c489 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -2844,7 +2844,7 @@ static int wpa_supplicant_use_own_rsne_params(struct wpa_supplicant *wpa_s,
 		wpa_sm_set_pmk(wpa_s->wpa, ssid->psk, PMK_LEN, NULL, NULL);
 		if (wpa_s->conf->key_mgmt_offload &&
 		    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD) &&
-		    wpa_drv_set_key(wpa_s, 0, NULL, 0, 0, NULL, 0, ssid->psk,
+		    wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0, NULL, 0, ssid->psk,
 				    PMK_LEN, KEY_FLAG_PMK))
 			wpa_dbg(wpa_s, MSG_ERROR,
 				"WPA: Cannot set PMK for key management offload");
diff --git a/wpa_supplicant/ibss_rsn.c b/wpa_supplicant/ibss_rsn.c
index 874c2bf1d..fc0a5b85f 100644
--- a/wpa_supplicant/ibss_rsn.c
+++ b/wpa_supplicant/ibss_rsn.c
@@ -143,7 +143,7 @@ static void ibss_check_rsn_completed(struct ibss_rsn_peer *peer)
 }
 
 
-static int supp_set_key(void *ctx, enum wpa_alg alg,
+static int supp_set_key(void *ctx, int link_id, enum wpa_alg alg,
 			const u8 *addr, int key_idx, int set_tx,
 			const u8 *seq, size_t seq_len,
 			const u8 *key, size_t key_len, enum key_flag key_flag)
@@ -172,7 +172,7 @@ static int supp_set_key(void *ctx, enum wpa_alg alg,
 
 	if (is_broadcast_ether_addr(addr))
 		addr = peer->addr;
-	return wpa_drv_set_key(peer->ibss_rsn->wpa_s, alg, addr, key_idx,
+	return wpa_drv_set_key(peer->ibss_rsn->wpa_s, link_id, alg, addr, key_idx,
 			       set_tx, seq, seq_len, key, key_len, key_flag);
 }
 
@@ -352,7 +352,7 @@ static int auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
 		}
 	}
 
-	return wpa_drv_set_key(ibss_rsn->wpa_s, alg, addr, idx,
+	return wpa_drv_set_key(ibss_rsn->wpa_s, -1, alg, addr, idx,
 			       1, seq, 6, key, key_len, key_flag);
 }
 
@@ -868,7 +868,7 @@ static void ibss_rsn_handle_auth_1_of_2(struct ibss_rsn *ibss_rsn,
 		 * still have a pairwise key configured. */
 		wpa_printf(MSG_DEBUG, "RSN: Clear pairwise key for peer "
 			   MACSTR, MAC2STR(addr));
-		wpa_drv_set_key(ibss_rsn->wpa_s, WPA_ALG_NONE, addr, 0, 0,
+		wpa_drv_set_key(ibss_rsn->wpa_s, -1, WPA_ALG_NONE, addr, 0, 0,
 				NULL, 0, NULL, 0, KEY_FLAG_PAIRWISE);
 	}
 
diff --git a/wpa_supplicant/mesh_mpm.c b/wpa_supplicant/mesh_mpm.c
index 2eb9a7ef6..c1ed8c4b5 100644
--- a/wpa_supplicant/mesh_mpm.c
+++ b/wpa_supplicant/mesh_mpm.c
@@ -879,7 +879,8 @@ static void mesh_mpm_plink_estab(struct wpa_supplicant *wpa_s,
 
 	if (conf->security & MESH_CONF_SEC_AMPE) {
 		wpa_hexdump_key(MSG_DEBUG, "mesh: MTK", sta->mtk, sta->mtk_len);
-		wpa_drv_set_key(wpa_s, wpa_cipher_to_alg(conf->pairwise_cipher),
+		wpa_drv_set_key(wpa_s, -1,
+				wpa_cipher_to_alg(conf->pairwise_cipher),
 				sta->addr, 0, 0, seq, sizeof(seq),
 				sta->mtk, sta->mtk_len,
 				KEY_FLAG_PAIRWISE_RX_TX);
@@ -888,7 +889,8 @@ static void mesh_mpm_plink_estab(struct wpa_supplicant *wpa_s,
 				sta->mgtk_rsc, sizeof(sta->mgtk_rsc));
 		wpa_hexdump_key(MSG_DEBUG, "mesh: RX MGTK",
 				sta->mgtk, sta->mgtk_len);
-		wpa_drv_set_key(wpa_s, wpa_cipher_to_alg(conf->group_cipher),
+		wpa_drv_set_key(wpa_s, -1,
+				wpa_cipher_to_alg(conf->group_cipher),
 				sta->addr, sta->mgtk_key_id, 0,
 				sta->mgtk_rsc, sizeof(sta->mgtk_rsc),
 				sta->mgtk, sta->mgtk_len,
@@ -900,7 +902,7 @@ static void mesh_mpm_plink_estab(struct wpa_supplicant *wpa_s,
 			wpa_hexdump_key(MSG_DEBUG, "mesh: RX IGTK",
 					sta->igtk, sta->igtk_len);
 			wpa_drv_set_key(
-				wpa_s,
+				wpa_s, -1,
 				wpa_cipher_to_alg(conf->mgmt_group_cipher),
 				sta->addr, sta->igtk_key_id, 0,
 				sta->igtk_rsc, sizeof(sta->igtk_rsc),
diff --git a/wpa_supplicant/mesh_rsn.c b/wpa_supplicant/mesh_rsn.c
index 65daa77c2..12dcc302d 100644
--- a/wpa_supplicant/mesh_rsn.c
+++ b/wpa_supplicant/mesh_rsn.c
@@ -118,7 +118,7 @@ static int auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
 	}
 	wpa_hexdump_key(MSG_DEBUG, "AUTH: set_key - key", key, key_len);
 
-	return wpa_drv_set_key(mesh_rsn->wpa_s, alg, addr, idx,
+	return wpa_drv_set_key(mesh_rsn->wpa_s, -1, alg, addr, idx,
 			       1, seq, 6, key, key_len, key_flag);
 }
 
@@ -194,7 +194,7 @@ static int __mesh_rsn_auth_init(struct mesh_rsn *rsn, const u8 *addr,
 		/* group mgmt */
 		wpa_hexdump_key(MSG_DEBUG, "mesh: Own TX IGTK",
 				rsn->igtk, rsn->igtk_len);
-		wpa_drv_set_key(rsn->wpa_s,
+		wpa_drv_set_key(rsn->wpa_s, -1,
 				wpa_cipher_to_alg(rsn->mgmt_group_cipher),
 				broadcast_ether_addr,
 				rsn->igtk_key_id, 1,
@@ -205,7 +205,7 @@ static int __mesh_rsn_auth_init(struct mesh_rsn *rsn, const u8 *addr,
 	/* group privacy / data frames */
 	wpa_hexdump_key(MSG_DEBUG, "mesh: Own TX MGTK",
 			rsn->mgtk, rsn->mgtk_len);
-	wpa_drv_set_key(rsn->wpa_s, wpa_cipher_to_alg(rsn->group_cipher),
+	wpa_drv_set_key(rsn->wpa_s, -1, wpa_cipher_to_alg(rsn->group_cipher),
 			broadcast_ether_addr,
 			rsn->mgtk_key_id, 1, seq, sizeof(seq),
 			rsn->mgtk, rsn->mgtk_len, KEY_FLAG_GROUP_TX_DEFAULT);
diff --git a/wpa_supplicant/preauth_test.c b/wpa_supplicant/preauth_test.c
index 3ae99da04..c7b6e2609 100644
--- a/wpa_supplicant/preauth_test.c
+++ b/wpa_supplicant/preauth_test.c
@@ -131,7 +131,7 @@ static int wpa_supplicant_get_bssid(void *wpa_s, u8 *bssid)
 }
 
 
-static int wpa_supplicant_set_key(void *wpa_s, enum wpa_alg alg,
+static int wpa_supplicant_set_key(void *wpa_s, int link_id, enum wpa_alg alg,
 				  const u8 *addr, int key_idx, int set_tx,
 				  const u8 *seq, size_t seq_len,
 				  const u8 *key, size_t key_len,
diff --git a/wpa_supplicant/wpa_priv.c b/wpa_supplicant/wpa_priv.c
index ff1fb6702..31a9af650 100644
--- a/wpa_supplicant/wpa_priv.c
+++ b/wpa_supplicant/wpa_priv.c
@@ -414,6 +414,7 @@ static void wpa_priv_cmd_set_key(struct wpa_priv_interface *iface,
 	p.key = params->key_len ? params->key : NULL;
 	p.key_len = params->key_len;
 	p.key_flag = params->key_flag;
+	p.link_id = -1;
 
 	res = iface->driver->set_key(iface->drv_priv, &p);
 	wpa_printf(MSG_DEBUG, "drv->set_key: res=%d", res);
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index 7b2cb9274..c7e9fd37c 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -144,7 +144,7 @@ int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
 			continue;
 
 		set = 1;
-		wpa_drv_set_key(wpa_s, WPA_ALG_WEP, NULL,
+		wpa_drv_set_key(wpa_s, -1, WPA_ALG_WEP, NULL,
 				i, i == ssid->wep_tx_keyidx, NULL, 0,
 				ssid->wep_key[i], ssid->wep_key_len[i],
 				i == ssid->wep_tx_keyidx ?
@@ -208,7 +208,7 @@ int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
 	/* TODO: should actually remember the previously used seq#, both for TX
 	 * and RX from each STA.. */
 
-	ret = wpa_drv_set_key(wpa_s, alg, NULL, 0, 1, seq, 6, key, keylen,
+	ret = wpa_drv_set_key(wpa_s, -1, alg, NULL, 0, 1, seq, 6, key, keylen,
 			      KEY_FLAG_GROUP_RX_TX_DEFAULT);
 	os_memset(key, 0, sizeof(key));
 	return ret;
@@ -769,18 +769,18 @@ void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr)
 	for (i = 0; i < max; i++) {
 		if (wpa_s->keys_cleared & BIT(i))
 			continue;
-		wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, i, 0, NULL, 0,
+		wpa_drv_set_key(wpa_s, -1, WPA_ALG_NONE, NULL, i, 0, NULL, 0,
 				NULL, 0, KEY_FLAG_GROUP);
 	}
 	/* Pairwise Key ID 1 for Extended Key ID is tracked in bit 15 */
 	if (~wpa_s->keys_cleared & (BIT(0) | BIT(15)) && addr &&
 	    !is_zero_ether_addr(addr)) {
 		if (!(wpa_s->keys_cleared & BIT(0)))
-			wpa_drv_set_key(wpa_s, WPA_ALG_NONE, addr, 0, 0, NULL,
-					0, NULL, 0, KEY_FLAG_PAIRWISE);
+			wpa_drv_set_key(wpa_s, -1, WPA_ALG_NONE, addr, 0, 0,
+					NULL, 0, NULL, 0, KEY_FLAG_PAIRWISE);
 		if (!(wpa_s->keys_cleared & BIT(15)))
-			wpa_drv_set_key(wpa_s, WPA_ALG_NONE, addr, 1, 0, NULL,
-					0, NULL, 0, KEY_FLAG_PAIRWISE);
+			wpa_drv_set_key(wpa_s, -1, WPA_ALG_NONE, addr, 1, 0,
+					NULL, 0, NULL, 0, KEY_FLAG_PAIRWISE);
 		/* MLME-SETPROTECTION.request(None) */
 		wpa_drv_mlme_setprotection(
 			wpa_s, addr,
diff --git a/wpa_supplicant/wpas_glue.c b/wpa_supplicant/wpas_glue.c
index c5cfa92e5..c01b177fc 100644
--- a/wpa_supplicant/wpas_glue.c
+++ b/wpa_supplicant/wpas_glue.c
@@ -250,7 +250,7 @@ static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
 		else
 			wpa_s->group_cipher = cipher;
 	}
-	return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
+	return wpa_drv_set_key(wpa_s, -1, WPA_ALG_WEP,
 			       unicast ? wpa_s->bssid : NULL,
 			       keyidx, unicast, NULL, 0, key, keylen,
 			       unicast ? KEY_FLAG_PAIRWISE_RX_TX :
@@ -365,7 +365,7 @@ static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
 	wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
 			"handshake", pmk, pmk_len);
 
-	if (wpa_drv_set_key(wpa_s, 0, NULL, 0, 0, NULL, 0, pmk,
+	if (wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0, NULL, 0, pmk,
 			    pmk_len, KEY_FLAG_PMK)) {
 		wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
 	}
@@ -527,7 +527,7 @@ static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
 }
 
 
-static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
+static int wpa_supplicant_set_key(void *_wpa_s, int link_id, enum wpa_alg alg,
 				  const u8 *addr, int key_idx, int set_tx,
 				  const u8 *seq, size_t seq_len,
 				  const u8 *key, size_t key_len,
@@ -556,8 +556,8 @@ static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
 		wpa_s->last_tk_len = key_len;
 	}
 #endif /* CONFIG_TESTING_OPTIONS */
-	return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
-			       key, key_len, key_flag);
+	return wpa_drv_set_key(wpa_s, link_id, alg, addr, key_idx, set_tx, seq,
+			       seq_len, key, key_len, key_flag);
 }
 
 
@@ -1253,7 +1253,7 @@ static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
 
 	if (wpa_s->conf->key_mgmt_offload &&
 	    (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
-		return wpa_drv_set_key(wpa_s, 0, NULL, 0, 0,
+		return wpa_drv_set_key(wpa_s, -1, 0, NULL, 0, 0,
 				       NULL, 0, pmk, pmk_len, KEY_FLAG_PMK);
 	else
 		return 0;
-- 
2.25.1


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