diff options
| author | Ioana Radulescu <ruxandra.radulescu@nxp.com> | 2019-03-01 17:47:23 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-03-03 20:41:18 -0800 |
| commit | e3fdf6ba09a082175d3b0f85a4253702918e7582 (patch) | |
| tree | 52c17b186a6ecaa6683f247a3021ae5f54fd5ce4 /drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | |
| parent | 3cec12ce5ad67ed6f59ed86ef51b393c35cd376b (diff) | |
dpaa2-eth: Add software annotation types
We write different metadata information in the software annotation
area of Tx frames, depending on frame type. Make this more explicit
by introducing a type field and separate structures for single buffer
and scatter-gather frames.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h index 9510928b7cca..423976d97fa6 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h @@ -89,12 +89,28 @@ */ #define DPAA2_ETH_SWA_SIZE 64 +/* We store different information in the software annotation area of a Tx frame + * based on what type of frame it is + */ +enum dpaa2_eth_swa_type { + DPAA2_ETH_SWA_SINGLE, + DPAA2_ETH_SWA_SG, +}; + /* Must keep this struct smaller than DPAA2_ETH_SWA_SIZE */ struct dpaa2_eth_swa { - struct sk_buff *skb; - struct scatterlist *scl; - int num_sg; - int sgt_size; + enum dpaa2_eth_swa_type type; + union { + struct { + struct sk_buff *skb; + } single; + struct { + struct sk_buff *skb; + struct scatterlist *scl; + int num_sg; + int sgt_size; + } sg; + }; }; /* Annotation valid bits in FD FRC */ |