net: ethernet: Use existing define with polynomial

Do not define again the polynomial but use header with existing define.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/net/ethernet/amd/xgbe/xgbe-dev.c

@@ -119,6 +119,7 @@
 #include <linux/clk.h>
 #include <linux/bitrev.h>
 #include <linux/crc32.h>
+#include <linux/crc32poly.h>
 
 #include "xgbe.h"
 #include "xgbe-common.h"
@@ -887,7 +888,6 @@ static int xgbe_disable_rx_vlan_filtering(struct xgbe_prv_data *pdata)
 
 static u32 xgbe_vid_crc32_le(__le16 vid_le)
 {
-	u32 poly = 0xedb88320;	/* CRCPOLY_LE */
 	u32 crc = ~0;
 	u32 temp = 0;
 	unsigned char *data = (unsigned char *)&vid_le;
@@ -904,7 +904,7 @@ static u32 xgbe_vid_crc32_le(__le16 vid_le)
 		data_byte >>= 1;
 
 		if (temp)
-			crc ^= poly;
+			crc ^= CRC32_POLY_LE;
 	}
 
 	return crc;

drivers/net/ethernet/apple/bmac.c

@@ -19,6 +19,7 @@
 #include <linux/init.h>
 #include <linux/spinlock.h>
 #include <linux/crc32.h>
+#include <linux/crc32poly.h>
 #include <linux/bitrev.h>
 #include <linux/ethtool.h>
 #include <linux/slab.h>
@@ -37,11 +38,6 @@
 #define trunc_page(x)	((void *)(((unsigned long)(x)) & ~((unsigned long)(PAGE_SIZE - 1))))
 #define round_page(x)	trunc_page(((unsigned long)(x)) + ((unsigned long)(PAGE_SIZE - 1)))
 
-/*
- * CRC polynomial - used in working out multicast filter bits.
- */
-#define ENET_CRCPOLY 0x04c11db7
-
 /* switch to use multicast code lifted from sunhme driver */
 #define SUNHME_MULTICAST
 
@@ -838,7 +834,7 @@ crc416(unsigned int curval, unsigned short nxtval)
 		next = next >> 1;
 
 		/* do the XOR */
-		if (high_crc_set ^ low_data_set) cur = cur ^ ENET_CRCPOLY;
+		if (high_crc_set ^ low_data_set) cur = cur ^ CRC32_POLY_BE;
 	}
 	return cur;
 }

drivers/net/ethernet/broadcom/tg3.c

@@ -50,6 +50,7 @@
 #include <linux/ssb/ssb_driver_gige.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
+#include <linux/crc32poly.h>
 
 #include <net/checksum.h>
 #include <net/ip.h>
@@ -9707,7 +9708,7 @@ static inline u32 calc_crc(unsigned char *buf, int len)
 			reg >>= 1;
 
 			if (tmp)
-				reg ^= 0xedb88320;
+				reg ^= CRC32_POLY_LE;
 		}
 	}
 

drivers/net/ethernet/freescale/fec_main.c

@@ -48,6 +48,7 @@
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/clk.h>
+#include <linux/crc32poly.h>
 #include <linux/platform_device.h>
 #include <linux/mdio.h>
 #include <linux/phy.h>
@@ -2949,7 +2950,6 @@ fec_enet_close(struct net_device *ndev)
  */
 
 #define FEC_HASH_BITS	6		/* #bits in hash */
-#define CRC32_POLY	0xEDB88320
 
 static void set_multicast_list(struct net_device *ndev)
 {
@@ -2989,7 +2989,7 @@ static void set_multicast_list(struct net_device *ndev)
 			data = ha->addr[i];
 			for (bit = 0; bit < 8; bit++, data >>= 1) {
 				crc = (crc >> 1) ^
-				(((crc ^ data) & 1) ? CRC32_POLY : 0);
+				(((crc ^ data) & 1) ? CRC32_POLY_LE : 0);
 			}
 		}
 

drivers/net/ethernet/freescale/fs_enet/fec.h

@@ -2,9 +2,6 @@
 #ifndef FS_ENET_FEC_H
 #define FS_ENET_FEC_H
 
-/* CRC polynomium used by the FEC for the multicast group filtering */
-#define FEC_CRC_POLY   0x04C11DB7
-
 #define FEC_MAX_MULTICAST_ADDRS	64
 
 /* Interrupt events/masks.

drivers/net/ethernet/freescale/fs_enet/mac-fec.c

@@ -18,6 +18,7 @@
 #include <linux/string.h>
 #include <linux/ptrace.h>
 #include <linux/errno.h>
+#include <linux/crc32poly.h>
 #include <linux/ioport.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
@@ -187,7 +188,7 @@ static void set_multicast_one(struct net_device *dev, const u8 *mac)
 			msb = crc >> 31;
 			crc <<= 1;
 			if (msb ^ (byte & 0x1))
-				crc ^= FEC_CRC_POLY;
+				crc ^= CRC32_POLY_BE;
 			byte >>= 1;
 		}
 	}

drivers/net/ethernet/micrel/ks8851_mll.c

@@ -30,6 +30,7 @@
 #include <linux/ethtool.h>
 #include <linux/cache.h>
 #include <linux/crc32.h>
+#include <linux/crc32poly.h>
 #include <linux/mii.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
@@ -1078,7 +1079,7 @@ static void ks_stop_rx(struct ks_net *ks)
 
 }  /* ks_stop_rx */
 
-static unsigned long const ethernet_polynomial = 0x04c11db7U;
+static unsigned long const ethernet_polynomial = CRC32_POLY_BE;
 
 static unsigned long ether_gen_crc(int length, u8 *data)
 {

drivers/net/ethernet/synopsys/dwc-xlgmac-hw.c

@@ -20,6 +20,7 @@
 #include <linux/clk.h>
 #include <linux/bitrev.h>
 #include <linux/crc32.h>
+#include <linux/crc32poly.h>
 #include <linux/dcbnl.h>
 
 #include "dwc-xlgmac.h"
@@ -193,7 +194,6 @@ static u32 xlgmac_vid_crc32_le(__le16 vid_le)
 {
 	unsigned char *data = (unsigned char *)&vid_le;
 	unsigned char data_byte = 0;
-	u32 poly = 0xedb88320;
 	u32 crc = ~0;
 	u32 temp = 0;
 	int i, bits;
@@ -208,7 +208,7 @@ static u32 xlgmac_vid_crc32_le(__le16 vid_le)
 		data_byte >>= 1;
 
 		if (temp)
-			crc ^= poly;
+			crc ^= CRC32_POLY_LE;
 	}
 
 	return crc;