netdev: octeon_mgmt: Fix structure layout for little-endian.

The C ABI reverses the bitfield fill order when compiled as
little-endian.

Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 15 insertions, 7 deletions

diff --git a/drivers/net/ethernet/octeon/octeon_mgmt.c b/drivers/net/ethernet/octeon/octeon_mgmt.c
index a603faf64a9f..91a8a5d28037 100644
--- a/drivers/net/ethernet/octeon/octeon_mgmt.c
+++ b/drivers/net/ethernet/octeon/octeon_mgmt.c
@@ -46,17 +46,25 @@
 union mgmt_port_ring_entry {
         u64 d64;
         struct {
-                u64    reserved_62_63:2;
+#define RING_ENTRY_CODE_DONE 0xf
+#define RING_ENTRY_CODE_MORE 0x10
+#ifdef __BIG_ENDIAN_BITFIELD
+                u64 reserved_62_63:2;
                 /* Length of the buffer/packet in bytes */
-                u64    len:14;
+                u64 len:14;
                 /* For TX, signals that the packet should be timestamped */
-                u64    tstamp:1;
+                u64 tstamp:1;
                 /* The RX error code */
-                u64    code:7;
-#define RING_ENTRY_CODE_DONE 0xf
-#define RING_ENTRY_CODE_MORE 0x10
+                u64 code:7;
                 /* Physical address of the buffer */
-                u64    addr:40;
+                u64 addr:40;
+#else
+                u64 addr:40;
+                u64 code:7;
+                u64 tstamp:1;
+                u64 len:14;
+                u64 reserved_62_63:2;
+#endif
         } s;
 };