diff options
| author | Rafal Ozieblo <rafalo@cadence.com> | 2016-11-16 10:02:34 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-16 17:54:55 -0500 |
| commit | 1629dd4f763cc15ac3b2711ac65dab153b738c6d (patch) | |
| tree | 48fd3c6fda1477e42b904811bf44969b569c9c5c /drivers/net/ethernet/cadence/macb.h | |
| parent | 08348995c47ec0e6ad3712c08eb88fb4df2e8180 (diff) | |
cadence: Add LSO support.
New Cadence GEM hardware support Large Segment Offload (LSO):
TCP segmentation offload (TSO) as well as UDP fragmentation
offload (UFO). Support for those features was added to the driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cadence/macb.h')
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index 1216950c97d1..d67adad67be1 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -382,6 +382,10 @@ #define GEM_TX_PKT_BUFF_OFFSET 21 #define GEM_TX_PKT_BUFF_SIZE 1 +/* Bitfields in DCFG6. */ +#define GEM_PBUF_LSO_OFFSET 27 +#define GEM_PBUF_LSO_SIZE 1 + /* Constants for CLK */ #define MACB_CLK_DIV8 0 #define MACB_CLK_DIV16 1 @@ -414,6 +418,10 @@ #define MACB_CAPS_SG_DISABLED 0x40000000 #define MACB_CAPS_MACB_IS_GEM 0x80000000 +/* LSO settings */ +#define MACB_LSO_UFO_ENABLE 0x01 +#define MACB_LSO_TSO_ENABLE 0x02 + /* Bit manipulation macros */ #define MACB_BIT(name) \ (1 << MACB_##name##_OFFSET) @@ -545,6 +553,12 @@ struct macb_dma_desc { #define MACB_TX_LAST_SIZE 1 #define MACB_TX_NOCRC_OFFSET 16 #define MACB_TX_NOCRC_SIZE 1 +#define MACB_MSS_MFS_OFFSET 16 +#define MACB_MSS_MFS_SIZE 14 +#define MACB_TX_LSO_OFFSET 17 +#define MACB_TX_LSO_SIZE 2 +#define MACB_TX_TCP_SEQ_SRC_OFFSET 19 +#define MACB_TX_TCP_SEQ_SRC_SIZE 1 #define MACB_TX_BUF_EXHAUSTED_OFFSET 27 #define MACB_TX_BUF_EXHAUSTED_SIZE 1 #define MACB_TX_UNDERRUN_OFFSET 28 |