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From 5f5ca28414de7ae0b86d4c2aa09c3e67b697dd56 Mon Sep 17 00:00:00 2001
Message-Id: <5f5ca28414de7ae0b86d4c2aa09c3e67b697dd56.1488376601.git.dcaratti@redhat.com>
From: Sabrina Dubroca <sd@queasysnail.net>
Date: Fri, 7 Oct 2016 12:08:10 +0200
Subject: [PATCH] mka: Pass full structures down to macsec drivers' receive SC
 ops

Clean up the driver interface by passing pointers to struct receive_sc
down the stack to the {create,delete}_recevie_sc() ops, instead of
passing the individual properties of the SC.

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
---
 src/drivers/driver.h            | 12 +++++-------
 src/drivers/driver_macsec_qca.c |  9 ++++++---
 src/pae/ieee802_1x_kay.h        |  5 ++---
 src/pae/ieee802_1x_secy_ops.c   |  5 ++---
 wpa_supplicant/driver_i.h       | 12 +++++-------
 wpa_supplicant/wpas_kay.c       | 11 ++++-------
 6 files changed, 24 insertions(+), 30 deletions(-)

diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index 1e2d623..a57aa53 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -3368,25 +3368,23 @@ struct wpa_driver_ops {
 	/**
 	 * create_receive_sc - create secure channel for receiving
 	 * @priv: Private driver interface data
-	 * @channel: secure channel
-	 * @sci_addr: secure channel identifier - address
-	 * @sci_port: secure channel identifier - port
+	 * @sc: secure channel
 	 * @conf_offset: confidentiality offset (0, 30, or 50)
 	 * @validation: frame validation policy (0 = Disabled, 1 = Checked,
 	 *	2 = Strict)
 	 * Returns: 0 on success, -1 on failure (or if not supported)
 	 */
-	int (*create_receive_sc)(void *priv, u32 channel, const u8 *sci_addr,
-				 u16 sci_port, unsigned int conf_offset,
+	int (*create_receive_sc)(void *priv, struct receive_sc *sc,
+				 unsigned int conf_offset,
 				 int validation);
 
 	/**
 	 * delete_receive_sc - delete secure connection for receiving
 	 * @priv: private driver interface data from init()
-	 * @channel: secure channel
+	 * @sc: secure channel
 	 * Returns: 0 on success, -1 on failure
 	 */
-	int (*delete_receive_sc)(void *priv, u32 channel);
+	int (*delete_receive_sc)(void *priv, struct receive_sc *sc);
 
 	/**
 	 * create_receive_sa - create secure association for receive
diff --git a/src/drivers/driver_macsec_qca.c b/src/drivers/driver_macsec_qca.c
index fef93df..385f7c5 100644
--- a/src/drivers/driver_macsec_qca.c
+++ b/src/drivers/driver_macsec_qca.c
@@ -601,8 +601,7 @@ static int macsec_qca_get_available_receive_sc(void *priv, u32 *channel)
 }
 
 
-static int macsec_qca_create_receive_sc(void *priv, u32 channel,
-					const u8 *sci_addr, u16 sci_port,
+static int macsec_qca_create_receive_sc(void *priv, struct receive_sc *sc,
 					unsigned int conf_offset,
 					int validation)
 {
@@ -611,6 +610,9 @@ static int macsec_qca_create_receive_sc(void *priv, u32 channel,
 	fal_rx_prc_lut_t entry;
 	fal_rx_sc_validate_frame_e vf;
 	enum validate_frames validate_frames = validation;
+	u32 channel = sc->channel;
+	const u8 *sci_addr = sc->sci.addr;
+	u16 sci_port = be_to_host16(sc->sci.port);
 
 	wpa_printf(MSG_DEBUG, "%s: channel=%d", __func__, channel);
 
@@ -649,11 +651,12 @@ static int macsec_qca_create_receive_sc(void *priv, u32 channel,
 }
 
 
-static int macsec_qca_delete_receive_sc(void *priv, u32 channel)
+static int macsec_qca_delete_receive_sc(void *priv, struct receive_sc *sc)
 {
 	struct macsec_qca_data *drv = priv;
 	int ret = 0;
 	fal_rx_prc_lut_t entry;
+	u32 channel = sc->channel;
 
 	wpa_printf(MSG_DEBUG, "%s: channel=%d", __func__, channel);
 
diff --git a/src/pae/ieee802_1x_kay.h b/src/pae/ieee802_1x_kay.h
index 8cd5fa6..144ee90 100644
--- a/src/pae/ieee802_1x_kay.h
+++ b/src/pae/ieee802_1x_kay.h
@@ -146,11 +146,10 @@ struct ieee802_1x_kay_ctx {
 	int (*get_transmit_next_pn)(void *ctx, struct transmit_sa *sa);
 	int (*set_transmit_next_pn)(void *ctx, struct transmit_sa *sa);
 	int (*get_available_receive_sc)(void *ctx, u32 *channel);
-	int (*create_receive_sc)(void *ctx, u32 channel,
-				 struct ieee802_1x_mka_sci *sci,
+	int (*create_receive_sc)(void *ctx, struct receive_sc *sc,
 				 enum validate_frames vf,
 				 enum confidentiality_offset co);
-	int (*delete_receive_sc)(void *ctx, u32 channel);
+	int (*delete_receive_sc)(void *ctx, struct receive_sc *sc);
 	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);
diff --git a/src/pae/ieee802_1x_secy_ops.c b/src/pae/ieee802_1x_secy_ops.c
index 669dc98..b8fcf05 100644
--- a/src/pae/ieee802_1x_secy_ops.c
+++ b/src/pae/ieee802_1x_secy_ops.c
@@ -212,8 +212,7 @@ int secy_create_receive_sc(struct ieee802_1x_kay *kay, struct receive_sc *rxsc)
 		return -1;
 	}
 
-	return ops->create_receive_sc(ops->ctx, rxsc->channel, &rxsc->sci,
-				      kay->vf, kay->co);
+	return ops->create_receive_sc(ops->ctx, rxsc, kay->vf, kay->co);
 }
 
 
@@ -233,7 +232,7 @@ int secy_delete_receive_sc(struct ieee802_1x_kay *kay, struct receive_sc *rxsc)
 		return -1;
 	}
 
-	return ops->delete_receive_sc(ops->ctx, rxsc->channel);
+	return ops->delete_receive_sc(ops->ctx, rxsc);
 }
 
 
diff --git a/wpa_supplicant/driver_i.h b/wpa_supplicant/driver_i.h
index 2dc74bf..d47395c 100644
--- a/wpa_supplicant/driver_i.h
+++ b/wpa_supplicant/driver_i.h
@@ -782,23 +782,21 @@ static inline int wpa_drv_get_available_receive_sc(struct wpa_supplicant *wpa_s,
 }
 
 static inline int
-wpa_drv_create_receive_sc(struct wpa_supplicant *wpa_s, u32 channel,
-			  const u8 *sci_addr, u16 sci_port,
+wpa_drv_create_receive_sc(struct wpa_supplicant *wpa_s, struct receive_sc *sc,
 			  unsigned int conf_offset, int validation)
 {
 	if (!wpa_s->driver->create_receive_sc)
 		return -1;
-	return wpa_s->driver->create_receive_sc(wpa_s->drv_priv, channel,
-						sci_addr, sci_port, conf_offset,
-						validation);
+	return wpa_s->driver->create_receive_sc(wpa_s->drv_priv, sc,
+						conf_offset, validation);
 }
 
 static inline int wpa_drv_delete_receive_sc(struct wpa_supplicant *wpa_s,
-					    u32 channel)
+					    struct receive_sc *sc)
 {
 	if (!wpa_s->driver->delete_receive_sc)
 		return -1;
-	return wpa_s->driver->delete_receive_sc(wpa_s->drv_priv, channel);
+	return wpa_s->driver->delete_receive_sc(wpa_s->drv_priv, sc);
 }
 
 static inline int wpa_drv_create_receive_sa(struct wpa_supplicant *wpa_s,
diff --git a/wpa_supplicant/wpas_kay.c b/wpa_supplicant/wpas_kay.c
index e0f8e28..4163b61 100644
--- a/wpa_supplicant/wpas_kay.c
+++ b/wpa_supplicant/wpas_kay.c
@@ -100,20 +100,17 @@ static unsigned int conf_offset_val(enum confidentiality_offset co)
 }
 
 
-static int wpas_create_receive_sc(void *wpa_s, u32 channel,
-				  struct ieee802_1x_mka_sci *sci,
+static int wpas_create_receive_sc(void *wpa_s, struct receive_sc *sc,
 				  enum validate_frames vf,
 				  enum confidentiality_offset co)
 {
-	return wpa_drv_create_receive_sc(wpa_s, channel, sci->addr,
-					 be_to_host16(sci->port),
-					 conf_offset_val(co), vf);
+	return wpa_drv_create_receive_sc(wpa_s, sc, conf_offset_val(co), vf);
 }
 
 
-static int wpas_delete_receive_sc(void *wpa_s, u32 channel)
+static int wpas_delete_receive_sc(void *wpa_s, struct receive_sc *sc)
 {
-	return wpa_drv_delete_receive_sc(wpa_s, channel);
+	return wpa_drv_delete_receive_sc(wpa_s, sc);
 }
 
 
-- 
2.7.4