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Date:   Sat, 23 May 2020 22:29:19 +0100
Message-Id: <20200523212919.33181-1-pterjan@google.com>
Mime-Version: 1.0
Subject: [PATCH] staging: rtl8723bs: Use shared header constants
From:   Pascal Terjan <pterjan@google.com>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Cc:     Pascal Terjan <pterjan@google.com>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

This is one of the 9 drivers redefining rfc1042_header.

Signed-off-by: Pascal Terjan <pterjan@google.com>
---
 drivers/staging/rtl8723bs/core/rtw_recv.c     | 15 ++++++---------
 drivers/staging/rtl8723bs/include/rtw_recv.h  |  2 --
 drivers/staging/rtl8723bs/os_dep/recv_linux.c |  5 +++--
 3 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_recv.c b/drivers/staging/rtl8723bs/core/rtw_recv.c
index 5245098b9ecf..dc58822924b4 100644
--- a/drivers/staging/rtl8723bs/core/rtw_recv.c
+++ b/drivers/staging/rtl8723bs/core/rtw_recv.c
@@ -10,14 +10,11 @@
 #include <rtw_debug.h>
 #include <linux/jiffies.h>
 #include <rtw_recv.h>
+#include <net/cfg80211.h>
 
 static u8 SNAP_ETH_TYPE_IPX[2] = {0x81, 0x37};
 static u8 SNAP_ETH_TYPE_APPLETALK_AARP[2] = {0x80, 0xf3};
 
-u8 rtw_rfc1042_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
-/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
-u8 rtw_bridge_tunnel_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
-
 static void rtw_signal_stat_timer_hdl(struct timer_list *t);
 
 void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv)
@@ -1625,11 +1622,11 @@ sint wlanhdr_to_ethhdr(union recv_frame *precvframe)
 	psnap_type = ptr+pattrib->hdrlen + pattrib->iv_len+SNAP_SIZE;
 	/* convert hdr + possible LLC headers into Ethernet header */
 	/* eth_type = (psnap_type[0] << 8) | psnap_type[1]; */
-	if ((!memcmp(psnap, rtw_rfc1042_header, SNAP_SIZE) &&
-		(memcmp(psnap_type, SNAP_ETH_TYPE_IPX, 2)) &&
-		(memcmp(psnap_type, SNAP_ETH_TYPE_APPLETALK_AARP, 2))) ||
-		/* eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) || */
-		 !memcmp(psnap, rtw_bridge_tunnel_header, SNAP_SIZE)) {
+	if ((!memcmp(psnap, rfc1042_header, SNAP_SIZE) &&
+	     memcmp(psnap_type, SNAP_ETH_TYPE_IPX, 2) &&
+	     memcmp(psnap_type, SNAP_ETH_TYPE_APPLETALK_AARP, 2)) ||
+	    /* eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) || */
+	    !memcmp(psnap, bridge_tunnel_header, SNAP_SIZE)) {
 		/* remove RFC1042 or Bridge-Tunnel encapsulation and replace EtherType */
 		bsnaphdr = true;
 	} else
diff --git a/drivers/staging/rtl8723bs/include/rtw_recv.h b/drivers/staging/rtl8723bs/include/rtw_recv.h
index 98c3e92245b7..a851b818ef0e 100644
--- a/drivers/staging/rtl8723bs/include/rtw_recv.h
+++ b/drivers/staging/rtl8723bs/include/rtw_recv.h
@@ -38,8 +38,6 @@
 #define RX_MAX_QUEUE				2
 
 #define MAX_SUBFRAME_COUNT	64
-extern u8 rtw_rfc1042_header[];
-extern u8 rtw_bridge_tunnel_header[];
 
 /* for Rx reordering buffer control */
 struct recv_reorder_ctrl
diff --git a/drivers/staging/rtl8723bs/os_dep/recv_linux.c b/drivers/staging/rtl8723bs/os_dep/recv_linux.c
index 2a7b9922b1d4..eb4d1c3008fe 100644
--- a/drivers/staging/rtl8723bs/os_dep/recv_linux.c
+++ b/drivers/staging/rtl8723bs/os_dep/recv_linux.c
@@ -9,6 +9,7 @@
 #include <drv_types.h>
 #include <rtw_debug.h>
 #include <linux/jiffies.h>
+#include <net/cfg80211.h>
 
 void rtw_os_free_recvframe(union recv_frame *precvframe)
 {
@@ -71,9 +72,9 @@ _pkt *rtw_os_alloc_msdu_pkt(union recv_frame *prframe, u16 nSubframe_Length, u8
 	eth_type = RTW_GET_BE16(&sub_skb->data[6]);
 
 	if (sub_skb->len >= 8 &&
-		((!memcmp(sub_skb->data, rtw_rfc1042_header, SNAP_SIZE) &&
+		((!memcmp(sub_skb->data, rfc1042_header, SNAP_SIZE) &&
 		  eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) ||
-		 !memcmp(sub_skb->data, rtw_bridge_tunnel_header, SNAP_SIZE))) {
+		 !memcmp(sub_skb->data, bridge_tunnel_header, SNAP_SIZE))) {
 		/*
 		 * remove RFC1042 or Bridge-Tunnel encapsulation and replace
 		 * EtherType
-- 
2.27.0.rc0.183.gde8f92d652-goog