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From cecdecdbe81c9ca86127413c6559be2d3ffcabd3 Mon Sep 17 00:00:00 2001
Message-Id: <cecdecdbe81c9ca86127413c6559be2d3ffcabd3.1488376601.git.dcaratti@redhat.com>
From: Sabrina Dubroca <sd@queasysnail.net>
Date: Tue, 20 Sep 2016 09:43:09 +0200
Subject: [PATCH] mka: Pass full structures down to macsec drivers' receive SA
 ops

Clean up the driver interface by passing pointers to struct receive_sa
down the stack to the {create,enable,disable}_receive_sa() ops, instead
of passing the individual properties of the SA.

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
---
 src/drivers/driver.h            | 18 ++++++------------
 src/drivers/driver_macsec_qca.c | 32 ++++++++++++++++++++------------
 src/pae/ieee802_1x_kay.h        |  7 +++----
 src/pae/ieee802_1x_secy_ops.c   |  7 +++----
 wpa_supplicant/driver_i.h       | 14 ++++++--------
 wpa_supplicant/wpas_kay.c       | 13 ++++++-------
 6 files changed, 44 insertions(+), 47 deletions(-)

diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index bb2d1d2..f1915fc 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -3391,32 +3391,26 @@ struct wpa_driver_ops {
 	/**
 	 * create_receive_sa - create secure association for receive
 	 * @priv: private driver interface data from init()
-	 * @channel: secure channel
-	 * @an: association number
-	 * @lowest_pn: the lowest packet number can be received
-	 * @sak: the secure association key
+	 * @sa: secure association
 	 * Returns: 0 on success, -1 on failure
 	 */
-	int (*create_receive_sa)(void *priv, u32 channel, u8 an,
-				 u32 lowest_pn, const u8 *sak);
+	int (*create_receive_sa)(void *priv, struct receive_sa *sa);
 
 	/**
 	 * enable_receive_sa - enable the SA for receive
 	 * @priv: private driver interface data from init()
-	 * @channel: secure channel
-	 * @an: association number
+	 * @sa: secure association
 	 * Returns: 0 on success, -1 on failure
 	 */
-	int (*enable_receive_sa)(void *priv, u32 channel, u8 an);
+	int (*enable_receive_sa)(void *priv, struct receive_sa *sa);
 
 	/**
 	 * disable_receive_sa - disable SA for receive
 	 * @priv: private driver interface data from init()
-	 * @channel: secure channel index
-	 * @an: association number
+	 * @sa: secure association
 	 * Returns: 0 on success, -1 on failure
 	 */
-	int (*disable_receive_sa)(void *priv, u32 channel, u8 an);
+	int (*disable_receive_sa)(void *priv, struct receive_sa *sa);
 
 	/**
 	 * get_available_transmit_sc - get available transmit channel
diff --git a/src/drivers/driver_macsec_qca.c b/src/drivers/driver_macsec_qca.c
index 9bfc9a4..2867c31 100644
--- a/src/drivers/driver_macsec_qca.c
+++ b/src/drivers/driver_macsec_qca.c
@@ -667,49 +667,57 @@ static int macsec_qca_delete_receive_sc(void *priv, u32 channel)
 }
 
 
-static int macsec_qca_create_receive_sa(void *priv, u32 channel, u8 an,
-					u32 lowest_pn, const u8 *sak)
+static int macsec_qca_create_receive_sa(void *priv, struct receive_sa *sa)
 {
 	struct macsec_qca_data *drv = priv;
 	int ret = 0;
 	fal_rx_sak_t rx_sak;
 	int i = 0;
+	u32 channel = sa->sc->channel;
 
 	wpa_printf(MSG_DEBUG, "%s, channel=%d, an=%d, lpn=0x%x",
-		   __func__, channel, an, lowest_pn);
+		   __func__, channel, sa->an, sa->lowest_pn);
 
 	os_memset(&rx_sak, 0, sizeof(rx_sak));
 	for (i = 0; i < 16; i++)
-		rx_sak.sak[i] = sak[15 - i];
+		rx_sak.sak[i] = sa->pkey->key[15 - i];
 
-	ret += nss_macsec_secy_rx_sa_create(drv->secy_id, channel, an);
-	ret += nss_macsec_secy_rx_sak_set(drv->secy_id, channel, an, &rx_sak);
+	ret += nss_macsec_secy_rx_sa_create(drv->secy_id, channel, sa->an);
+	ret += nss_macsec_secy_rx_sak_set(drv->secy_id, channel, sa->an,
+					  &rx_sak);
 
 	return ret;
 }
 
 
-static int macsec_qca_enable_receive_sa(void *priv, u32 channel, u8 an)
+static int macsec_qca_enable_receive_sa(void *priv, struct receive_sa *sa)
 {
 	struct macsec_qca_data *drv = priv;
 	int ret = 0;
+	u32 channel = sa->sc->channel;
+
 
-	wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel, an);
+	wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel,
+		   sa->an);
 
-	ret += nss_macsec_secy_rx_sa_en_set(drv->secy_id, channel, an, TRUE);
+	ret += nss_macsec_secy_rx_sa_en_set(drv->secy_id, channel, sa->an,
+					    TRUE);
 
 	return ret;
 }
 
 
-static int macsec_qca_disable_receive_sa(void *priv, u32 channel, u8 an)
+static int macsec_qca_disable_receive_sa(void *priv, struct receive_sa *sa)
 {
 	struct macsec_qca_data *drv = priv;
 	int ret = 0;
+	u32 channel = sa->sc->channel;
 
-	wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel, an);
+	wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel,
+		   sa->an);
 
-	ret += nss_macsec_secy_rx_sa_en_set(drv->secy_id, channel, an, FALSE);
+	ret += nss_macsec_secy_rx_sa_en_set(drv->secy_id, channel, sa->an,
+					    FALSE);
 
 	return ret;
 }
diff --git a/src/pae/ieee802_1x_kay.h b/src/pae/ieee802_1x_kay.h
index 36a7bd6..8ee5860 100644
--- a/src/pae/ieee802_1x_kay.h
+++ b/src/pae/ieee802_1x_kay.h
@@ -151,10 +151,9 @@ struct ieee802_1x_kay_ctx {
 				 enum validate_frames vf,
 				 enum confidentiality_offset co);
 	int (*delete_receive_sc)(void *ctx, u32 channel);
-	int (*create_receive_sa)(void *ctx, u32 channel, u8 an, u32 lowest_pn,
-				 const u8 *sak);
-	int (*enable_receive_sa)(void *ctx, u32 channel, u8 an);
-	int (*disable_receive_sa)(void *ctx, u32 channel, u8 an);
+	int (*create_receive_sa)(void *ctx, struct receive_sa *sa);
+	int (*enable_receive_sa)(void *ctx, struct receive_sa *sa);
+	int (*disable_receive_sa)(void *ctx, struct receive_sa *sa);
 	int (*get_available_transmit_sc)(void *ctx, u32 *channel);
 	int (*create_transmit_sc)(void *ctx, u32 channel,
 				  const struct ieee802_1x_mka_sci *sci,
diff --git a/src/pae/ieee802_1x_secy_ops.c b/src/pae/ieee802_1x_secy_ops.c
index 8c31ca9..fb376df 100644
--- a/src/pae/ieee802_1x_secy_ops.c
+++ b/src/pae/ieee802_1x_secy_ops.c
@@ -253,8 +253,7 @@ int secy_create_receive_sa(struct ieee802_1x_kay *kay, struct receive_sa *rxsa)
 		return -1;
 	}
 
-	return ops->create_receive_sa(ops->ctx, rxsa->sc->channel, rxsa->an,
-				      rxsa->lowest_pn, rxsa->pkey->key);
+	return ops->create_receive_sa(ops->ctx, rxsa);
 }
 
 
@@ -276,7 +275,7 @@ int secy_enable_receive_sa(struct ieee802_1x_kay *kay, struct receive_sa *rxsa)
 
 	rxsa->enable_receive = TRUE;
 
-	return ops->enable_receive_sa(ops->ctx, rxsa->sc->channel, rxsa->an);
+	return ops->enable_receive_sa(ops->ctx, rxsa);
 }
 
 
@@ -298,7 +297,7 @@ int secy_disable_receive_sa(struct ieee802_1x_kay *kay, struct receive_sa *rxsa)
 
 	rxsa->enable_receive = FALSE;
 
-	return ops->disable_receive_sa(ops->ctx, rxsa->sc->channel, rxsa->an);
+	return ops->disable_receive_sa(ops->ctx, rxsa);
 }
 
 
diff --git a/wpa_supplicant/driver_i.h b/wpa_supplicant/driver_i.h
index e2c2bd7..666798b 100644
--- a/wpa_supplicant/driver_i.h
+++ b/wpa_supplicant/driver_i.h
@@ -802,29 +802,27 @@ static inline int wpa_drv_delete_receive_sc(struct wpa_supplicant *wpa_s,
 }
 
 static inline int wpa_drv_create_receive_sa(struct wpa_supplicant *wpa_s,
-					    u32 channel, u8 an,
-					    u32 lowest_pn, const u8 *sak)
+					    struct receive_sa *sa)
 {
 	if (!wpa_s->driver->create_receive_sa)
 		return -1;
-	return wpa_s->driver->create_receive_sa(wpa_s->drv_priv, channel, an,
-						lowest_pn, sak);
+	return wpa_s->driver->create_receive_sa(wpa_s->drv_priv, sa);
 }
 
 static inline int wpa_drv_enable_receive_sa(struct wpa_supplicant *wpa_s,
-					    u32 channel, u8 an)
+					    struct receive_sa *sa)
 {
 	if (!wpa_s->driver->enable_receive_sa)
 		return -1;
-	return wpa_s->driver->enable_receive_sa(wpa_s->drv_priv, channel, an);
+	return wpa_s->driver->enable_receive_sa(wpa_s->drv_priv, sa);
 }
 
 static inline int wpa_drv_disable_receive_sa(struct wpa_supplicant *wpa_s,
-					     u32 channel, u8 an)
+					     struct receive_sa *sa)
 {
 	if (!wpa_s->driver->disable_receive_sa)
 		return -1;
-	return wpa_s->driver->disable_receive_sa(wpa_s->drv_priv, channel, an);
+	return wpa_s->driver->disable_receive_sa(wpa_s->drv_priv, sa);
 }
 
 static inline int
diff --git a/wpa_supplicant/wpas_kay.c b/wpa_supplicant/wpas_kay.c
index 4b74112..344c59e 100644
--- a/wpa_supplicant/wpas_kay.c
+++ b/wpa_supplicant/wpas_kay.c
@@ -117,22 +117,21 @@ static int wpas_delete_receive_sc(void *wpa_s, u32 channel)
 }
 
 
-static int wpas_create_receive_sa(void *wpa_s, u32 channel, u8 an,
-				  u32 lowest_pn, const u8 *sak)
+static int wpas_create_receive_sa(void *wpa_s, struct receive_sa *sa)
 {
-	return wpa_drv_create_receive_sa(wpa_s, channel, an, lowest_pn, sak);
+	return wpa_drv_create_receive_sa(wpa_s, sa);
 }
 
 
-static int wpas_enable_receive_sa(void *wpa_s, u32 channel, u8 an)
+static int wpas_enable_receive_sa(void *wpa_s, struct receive_sa *sa)
 {
-	return wpa_drv_enable_receive_sa(wpa_s, channel, an);
+	return wpa_drv_enable_receive_sa(wpa_s, sa);
 }
 
 
-static int wpas_disable_receive_sa(void *wpa_s, u32 channel, u8 an)
+static int wpas_disable_receive_sa(void *wpa_s, struct receive_sa *sa)
 {
-	return wpa_drv_disable_receive_sa(wpa_s, channel, an);
+	return wpa_drv_disable_receive_sa(wpa_s, sa);
 }
 
 
-- 
2.7.4