staging: brcm80211: remove fullmac module_param for ARP offload feature

Use macro to replace global variable for ARP offload configuration
Reported-by: NJohannes Berg <johannes@sipsolutions.net>
Reviewed-by: NRoland Vossen <rvossen@broadcom.com>
Reviewed-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/dhd.h

@@ -665,16 +665,6 @@ struct bcmevent_name {
 	const char *name;
 };
 
-/*
- * Insmod parameters for debug/test
- */
-
-/* ARP offload agent mode */
-extern uint brcmf_arp_mode;
-
-/* ARP offload enable */
-extern uint brcmf_arp_enable;
-
 /* Override to force tx queueing all the time */
 extern uint brcmf_force_tx_queueing;
 

drivers/staging/brcm80211/brcmfmac/dhd_common.c

@@ -30,6 +30,7 @@
 #define DOT11_OUI_LEN			3
 #define BCMILCP_BCM_SUBTYPE_EVENT	1
 #define PKTFILTER_BUF_SIZE		2048
+#define BRCMF_ARPOL_MODE		0xb	/* agent|snoop|peer_autoreply */
 
 int brcmf_msg_level;
 
@@ -859,9 +860,8 @@ int brcmf_c_preinit_ioctls(struct brcmf_pub *drvr)
 			 (char *)&scan_unassoc_time, sizeof(scan_unassoc_time));
 
 	/* Set and enable ARP offload feature */
-	if (brcmf_arp_enable)
-		brcmf_c_arp_offload_set(drvr, brcmf_arp_mode);
-	brcmf_c_arp_offload_enable(drvr, brcmf_arp_enable);
+	brcmf_c_arp_offload_set(drvr, BRCMF_ARPOL_MODE);
+	brcmf_c_arp_offload_enable(drvr, true);
 
 	/* Set up pkt filter */
 	for (i = 0; i < drvr->pktfilter_count; i++) {

drivers/staging/brcm80211/brcmfmac/dhd_linux.c

@@ -82,15 +82,6 @@ struct brcmf_info {
 /* Error bits */
 module_param(brcmf_msg_level, int, 0);
 
-/* ARP offload agent mode : Enable ARP Host Auto-Reply
-and ARP Peer Auto-Reply */
-uint brcmf_arp_mode = 0xb;
-module_param(brcmf_arp_mode, uint, 0);
-
-/* ARP offload enable */
-uint brcmf_arp_enable = true;
-module_param(brcmf_arp_enable, uint, 0);
-
 /* Network inteface name */
 char iface_name[IFNAMSIZ] = "wlan";
 module_param_string(iface_name, iface_name, IFNAMSIZ, 0);