From 3ac19c900cf4a46748d789c49d84a58c37b93841 Mon Sep 17 00:00:00 2001 From: David Daney Date: Wed, 19 Jun 2013 17:40:20 -0700 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- drivers/net/ethernet/octeon/octeon_mgmt.c | 22 +++++++++++++++------- 1 file 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; }; -- 2.30.2