diff options
| author | Ioana Radulescu <ruxandra.radulescu@nxp.com> | 2017-06-06 10:00:35 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-13 12:02:55 +0200 |
| commit | d695e764f26399443474482cd3396130cd38057b (patch) | |
| tree | 0206ee1b434f29ab8cc6e956d8201a1cda1d3b41 /drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h | |
| parent | 12afee803cd9e48cd5de584f8f66d05e79ec5d9d (diff) | |
staging: fsl-dpaa2/eth: Add accessor for FAS field
Introduce a helper macro for accessing the frame annotation
status field in a frame buffer.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h')
| -rw-r--r-- | drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h index 539da71470d9..6462e2cbe4be 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h @@ -139,6 +139,12 @@ struct dpaa2_fas { #define DPAA2_FAS_OFFSET 0 #define DPAA2_FAS_SIZE (sizeof(struct dpaa2_fas)) +/* Accessors for the hardware annotation fields that we use */ +#define dpaa2_get_hwa(buf_addr) \ + ((void *)(buf_addr) + DPAA2_ETH_SWA_SIZE) +#define dpaa2_get_fas(buf_addr) \ + (struct dpaa2_fas *)(dpaa2_get_hwa(buf_addr) + DPAA2_FAS_OFFSET) + /* Error and status bits in the frame annotation status word */ /* Debug frame, otherwise supposed to be discarded */ #define DPAA2_FAS_DISC 0x80000000 |