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author | David Daney <david.daney@cavium.com> | 2013-06-19 17:40:20 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2013-06-19 22:12:48 -0700 |
commit | 3ac19c900cf4a46748d789c49d84a58c37b93841 (patch) | |
tree | b3cb53f1afc2b4175aa43d85d203277875e80340 | |
parent | 906996d6eb8fbd5ee4241a0e8e0fb013423c934d (diff) | |
download | op-kernel-dev-3ac19c900cf4a46748d789c49d84a58c37b93841.zip op-kernel-dev-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>
-rw-r--r-- | drivers/net/ethernet/octeon/octeon_mgmt.c | 22 |
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 a603faf..91a8a5d 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; }; |