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From: Michael Straube <straube.linux@gmail.com>
To: gregkh@linuxfoundation.org
Cc: Larry.Finger@lwfinger.net, phil@philpotter.co.uk,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org,
	Michael Straube <straube.linux@gmail.com>
Subject: [PATCH 2/3] staging: r8188eu: replace MACADDRLEN with ETH_ALEN
Date: Sat,  9 Oct 2021 12:44:18 +0200	[thread overview]
Message-ID: <20211009104419.8811-2-straube.linux@gmail.com> (raw)
In-Reply-To: <20211009104419.8811-1-straube.linux@gmail.com>

Replace the custom constant MACADDRLEN with in-kernel ETH_ALEN.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/r8188eu/core/rtw_xmit.c      | 44 ++++++++++----------
 drivers/staging/r8188eu/include/drv_types.h  |  6 +--
 drivers/staging/r8188eu/include/rtw_br_ext.h |  3 +-
 3 files changed, 26 insertions(+), 27 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
index 4913da785a1d..720e190a7436 100644
--- a/drivers/staging/r8188eu/core/rtw_xmit.c
+++ b/drivers/staging/r8188eu/core/rtw_xmit.c
@@ -1553,31 +1553,31 @@ static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb)
 	rcu_read_unlock();
 	spin_lock_bh(&padapter->br_ext_lock);
 	if (!(skb->data[0] & 1) && br_port &&
-	    memcmp(skb->data + MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
-	    *((__be16 *)(skb->data + MACADDRLEN * 2)) != __constant_htons(ETH_P_8021Q) &&
-	    *((__be16 *)(skb->data + MACADDRLEN * 2)) == __constant_htons(ETH_P_IP) &&
-	    !memcmp(padapter->scdb_mac, skb->data + MACADDRLEN, MACADDRLEN) && padapter->scdb_entry) {
-		memcpy(skb->data + MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
+	    memcmp(skb->data + ETH_ALEN, padapter->br_mac, ETH_ALEN) &&
+	    *((__be16 *)(skb->data + ETH_ALEN * 2)) != __constant_htons(ETH_P_8021Q) &&
+	    *((__be16 *)(skb->data + ETH_ALEN * 2)) == __constant_htons(ETH_P_IP) &&
+	    !memcmp(padapter->scdb_mac, skb->data + ETH_ALEN, ETH_ALEN) && padapter->scdb_entry) {
+		memcpy(skb->data + ETH_ALEN, GET_MY_HWADDR(padapter), ETH_ALEN);
 		padapter->scdb_entry->ageing_timer = jiffies;
 		spin_unlock_bh(&padapter->br_ext_lock);
 	} else {
-		if (*((__be16 *)(skb->data + MACADDRLEN * 2)) == __constant_htons(ETH_P_8021Q)) {
+		if (*((__be16 *)(skb->data + ETH_ALEN * 2)) == __constant_htons(ETH_P_8021Q)) {
 			is_vlan_tag = 1;
-			vlan_hdr = *((unsigned short *)(skb->data + MACADDRLEN * 2 + 2));
+			vlan_hdr = *((unsigned short *)(skb->data + ETH_ALEN * 2 + 2));
 			for (i = 0; i < 6; i++)
-				*((unsigned short *)(skb->data + MACADDRLEN * 2 + 2 - i * 2)) = *((unsigned short *)(skb->data + MACADDRLEN * 2 - 2 - i * 2));
+				*((unsigned short *)(skb->data + ETH_ALEN * 2 + 2 - i * 2)) = *((unsigned short *)(skb->data + ETH_ALEN * 2 - 2 - i * 2));
 			skb_pull(skb, 4);
 		}
-		if (!memcmp(skb->data + MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
-		    (*((__be16 *)(skb->data + MACADDRLEN * 2)) == __constant_htons(ETH_P_IP)))
+		if (!memcmp(skb->data + ETH_ALEN, padapter->br_mac, ETH_ALEN) &&
+		    (*((__be16 *)(skb->data + ETH_ALEN * 2)) == __constant_htons(ETH_P_IP)))
 			memcpy(padapter->br_ip, skb->data + WLAN_ETHHDR_LEN + 12, 4);
 
-		if (*((__be16 *)(skb->data + MACADDRLEN * 2)) == __constant_htons(ETH_P_IP)) {
-			if (memcmp(padapter->scdb_mac, skb->data + MACADDRLEN, MACADDRLEN)) {
+		if (*((__be16 *)(skb->data + ETH_ALEN * 2)) == __constant_htons(ETH_P_IP)) {
+			if (memcmp(padapter->scdb_mac, skb->data + ETH_ALEN, ETH_ALEN)) {
 				padapter->scdb_entry = (struct nat25_network_db_entry *)scdb_findEntry(padapter,
 							skb->data + WLAN_ETHHDR_LEN + 12);
 				if (padapter->scdb_entry) {
-					memcpy(padapter->scdb_mac, skb->data + MACADDRLEN, MACADDRLEN);
+					memcpy(padapter->scdb_mac, skb->data + ETH_ALEN, ETH_ALEN);
 					memcpy(padapter->scdb_ip, skb->data + WLAN_ETHHDR_LEN + 12, 4);
 					padapter->scdb_entry->ageing_timer = jiffies;
 					do_nat25 = 0;
@@ -1587,7 +1587,7 @@ static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb)
 					padapter->scdb_entry->ageing_timer = jiffies;
 					do_nat25 = 0;
 				} else {
-					memset(padapter->scdb_mac, 0, MACADDRLEN);
+					memset(padapter->scdb_mac, 0, ETH_ALEN);
 					memset(padapter->scdb_ip, 0, 4);
 				}
 			}
@@ -1601,8 +1601,8 @@ static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb)
 					skb_push(skb, 4);
 					for (i = 0; i < 6; i++)
 						*((unsigned short *)(skb->data + i * 2)) = *((unsigned short *)(skb->data + 4 + i * 2));
-					*((__be16 *)(skb->data + MACADDRLEN * 2)) = __constant_htons(ETH_P_8021Q);
-					*((unsigned short *)(skb->data + MACADDRLEN * 2 + 2)) = vlan_hdr;
+					*((__be16 *)(skb->data + ETH_ALEN * 2)) = __constant_htons(ETH_P_8021Q);
+					*((unsigned short *)(skb->data + ETH_ALEN * 2 + 2)) = vlan_hdr;
 				}
 
 				newskb = skb_copy(skb, GFP_ATOMIC);
@@ -1614,9 +1614,9 @@ static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb)
 
 				*pskb = skb = newskb;
 				if (is_vlan_tag) {
-					vlan_hdr = *((unsigned short *)(skb->data + MACADDRLEN * 2 + 2));
+					vlan_hdr = *((unsigned short *)(skb->data + ETH_ALEN * 2 + 2));
 					for (i = 0; i < 6; i++)
-						*((unsigned short *)(skb->data + MACADDRLEN * 2 + 2 - i * 2)) = *((unsigned short *)(skb->data + MACADDRLEN * 2 - 2 - i * 2));
+						*((unsigned short *)(skb->data + ETH_ALEN * 2 + 2 - i * 2)) = *((unsigned short *)(skb->data + ETH_ALEN * 2 - 2 - i * 2));
 					skb_pull(skb, 4);
 				}
 			}
@@ -1640,7 +1640,7 @@ static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb)
 			}
 		}
 
-		memcpy(skb->data + MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
+		memcpy(skb->data + ETH_ALEN, GET_MY_HWADDR(padapter), ETH_ALEN);
 
 		dhcp_flag_bcast(padapter, skb);
 
@@ -1648,13 +1648,13 @@ static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb)
 			skb_push(skb, 4);
 			for (i = 0; i < 6; i++)
 				*((unsigned short *)(skb->data + i * 2)) = *((unsigned short *)(skb->data + 4 + i * 2));
-			*((__be16 *)(skb->data + MACADDRLEN * 2)) = __constant_htons(ETH_P_8021Q);
-			*((unsigned short *)(skb->data + MACADDRLEN * 2 + 2)) = vlan_hdr;
+			*((__be16 *)(skb->data + ETH_ALEN * 2)) = __constant_htons(ETH_P_8021Q);
+			*((unsigned short *)(skb->data + ETH_ALEN * 2 + 2)) = vlan_hdr;
 		}
 	}
 
 	/*  check if SA is equal to our MAC */
-	if (memcmp(skb->data + MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN)) {
+	if (memcmp(skb->data + ETH_ALEN, GET_MY_HWADDR(padapter), ETH_ALEN)) {
 		DEBUG_ERR("TX DROP: untransformed frame SA:%02X%02X%02X%02X%02X%02X!\n",
 			  skb->data[6], skb->data[7], skb->data[8], skb->data[9], skb->data[10], skb->data[11]);
 		return -1;
diff --git a/drivers/staging/r8188eu/include/drv_types.h b/drivers/staging/r8188eu/include/drv_types.h
index edf86b6c254e..ce88575a8726 100644
--- a/drivers/staging/r8188eu/include/drv_types.h
+++ b/drivers/staging/r8188eu/include/drv_types.h
@@ -280,11 +280,11 @@ struct adapter {
 	spinlock_t br_ext_lock;
 	struct nat25_network_db_entry	*nethash[NAT25_HASH_SIZE];
 	int				pppoe_connection_in_progress;
-	unsigned char			pppoe_addr[MACADDRLEN];
-	unsigned char			scdb_mac[MACADDRLEN];
+	unsigned char			pppoe_addr[ETH_ALEN];
+	unsigned char			scdb_mac[ETH_ALEN];
 	unsigned char			scdb_ip[4];
 	struct nat25_network_db_entry	*scdb_entry;
-	unsigned char			br_mac[MACADDRLEN];
+	unsigned char			br_mac[ETH_ALEN];
 	unsigned char			br_ip[4];
 	struct br_ext_info		ethBrExtInfo;
 
diff --git a/drivers/staging/r8188eu/include/rtw_br_ext.h b/drivers/staging/r8188eu/include/rtw_br_ext.h
index 69905d30c191..17a6154e760a 100644
--- a/drivers/staging/r8188eu/include/rtw_br_ext.h
+++ b/drivers/staging/r8188eu/include/rtw_br_ext.h
@@ -4,7 +4,6 @@
 #ifndef _RTW_BR_EXT_H_
 #define _RTW_BR_EXT_H_
 
-#define MACADDRLEN		6
 #define _DEBUG_ERR		DBG_88E
 #define _DEBUG_INFO		DBG_88E
 #define DEBUG_WARN		DBG_88E
@@ -40,7 +39,7 @@ struct br_ext_info {
 	unsigned int	macclone_enable;
 	unsigned int	dhcp_bcst_disable;
 	int	addPPPoETag;		/* 1: Add PPPoE relay-SID, 0: disable */
-	unsigned char	nat25_dmzMac[MACADDRLEN];
+	unsigned char	nat25_dmzMac[ETH_ALEN];
 	unsigned int	nat25sc_disable;
 };
 
-- 
2.33.0


  reply	other threads:[~2021-10-09 10:44 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-09 10:44 [PATCH 1/3] staging: r8188eu: remove unused macros and defines from rtl8188e_hal.h Michael Straube
2021-10-09 10:44 ` Michael Straube [this message]
2021-10-09 10:44 ` [PATCH 3/3] staging: r8188eu: remove enum _RTL8712_RF_MIMO_CONFIG_ Michael Straube

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