spidernet: Replace literal with const

Replace literal with const; add bit definitions.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/net/spider_net.c

@@ -1235,7 +1235,7 @@ spider_net_decode_one_descr(struct spider_net_card *card)
 		goto bad_desc;
 	}
 
-	if (hwdescr->dmac_cmd_status & 0xfcf4) {
+	if (hwdescr->dmac_cmd_status & SPIDER_NET_DESCR_BAD_STATUS) {
 		dev_err(&card->netdev->dev, "bad status, cmd_status=x%08x\n",
 			       hwdescr->dmac_cmd_status);
 		pr_err("buf_addr=x%08x\n", hw_buf_addr);

drivers/net/spider_net.h

@@ -354,6 +354,18 @@ enum spider_net_int2_status {
 #define SPIDER_NET_DMAC_UDP			0x00030000
 #define SPIDER_NET_TXDCEST			0x08000000
 
+#define SPIDER_NET_DESCR_RXFDIS        0x00000001
+#define SPIDER_NET_DESCR_RXDCEIS       0x00000002
+#define SPIDER_NET_DESCR_RXDEN0IS      0x00000004
+#define SPIDER_NET_DESCR_RXINVDIS      0x00000008
+#define SPIDER_NET_DESCR_RXRERRIS      0x00000010
+#define SPIDER_NET_DESCR_RXFDCIMS      0x00000100
+#define SPIDER_NET_DESCR_RXDCEIMS      0x00000200
+#define SPIDER_NET_DESCR_RXDEN0IMS     0x00000400
+#define SPIDER_NET_DESCR_RXINVDIMS     0x00000800
+#define SPIDER_NET_DESCR_RXRERRMIS     0x00001000
+#define SPIDER_NET_DESCR_UNUSED        0x077fe0e0
+
 #define SPIDER_NET_DESCR_IND_PROC_MASK		0xF0000000
 #define SPIDER_NET_DESCR_COMPLETE		0x00000000 /* used in rx and tx */
 #define SPIDER_NET_DESCR_RESPONSE_ERROR		0x10000000 /* used in rx and tx */
@@ -364,6 +376,13 @@ enum spider_net_int2_status {
 #define SPIDER_NET_DESCR_NOT_IN_USE		0xF0000000
 #define SPIDER_NET_DESCR_TXDESFLG		0x00800000
 
+#define SPIDER_NET_DESCR_BAD_STATUS   (SPIDER_NET_DESCR_RXDEN0IS | \
+                                       SPIDER_NET_DESCR_RXRERRIS | \
+                                       SPIDER_NET_DESCR_RXDEN0IMS | \
+                                       SPIDER_NET_DESCR_RXINVDIMS | \
+                                       SPIDER_NET_DESCR_RXRERRMIS | \
+                                       SPIDER_NET_DESCR_UNUSED)
+
 /* Descriptor, as defined by the hardware */
 struct spider_net_hw_descr {
 	u32 buf_addr;