net: replace uses of __constant_{endian}

Base versions handle constant folding now.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index fe4a4d1..88615f6 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -3567,13 +3567,13 @@
 
 		if (skb->ip_summed == CHECKSUM_PARTIAL) {
 			switch (skb->protocol) {
-			case __constant_htons(ETH_P_IP):
+			case cpu_to_be16(ETH_P_IP):
 				type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4;
 				if (ip_hdr(skb)->protocol == IPPROTO_TCP)
 					type_tucmd_mlhl |=
 					        IXGBE_ADVTXD_TUCMD_L4T_TCP;
 				break;
-			case __constant_htons(ETH_P_IPV6):
+			case cpu_to_be16(ETH_P_IPV6):
 				/* XXX what about other V6 headers?? */
 				if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
 					type_tucmd_mlhl |=