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authorDavid Daney <david.daney@cavium.com>2013-06-19 17:40:20 -0700
committerDavid S. Miller <davem@davemloft.net>2013-06-19 22:12:48 -0700
commit3ac19c900cf4a46748d789c49d84a58c37b93841 (patch)
treeb3cb53f1afc2b4175aa43d85d203277875e80340 /drivers/net/ethernet
parent906996d6eb8fbd5ee4241a0e8e0fb013423c934d (diff)
downloadvexpress-lsk-3ac19c900cf4a46748d789c49d84a58c37b93841.tar.gz
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>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/octeon/octeon_mgmt.c22
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 a603faf64a9..91a8a5d2803 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;
};