diff options
| author | Harini Katakam <harini.katakam@xilinx.com> | 2015-05-06 22:27:17 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-05-09 17:41:54 -0400 |
| commit | 98b5a0f4a2282fb82907bee467636b8114677472 (patch) | |
| tree | 9e2c3c71cf419545db56fb442adb31fb118e2dca /drivers/net/ethernet/cadence/macb.h | |
| parent | 7b61f9c132accab315014c38c9a33e38620c90bd (diff) | |
| download | talos-obmc-linux-98b5a0f4a2282fb82907bee467636b8114677472.tar.gz talos-obmc-linux-98b5a0f4a2282fb82907bee467636b8114677472.zip | |
net: macb: Add support for jumbo frames
Enable jumbo frame support for Zynq Ultrascale+ MPSoC.
Update the NWCFG register and descriptor length masks accordingly.
Jumbo max length register should be set according to support in SoC; it is
set to 10240 for Zynq Ultrascale+ MPSoC.
Signed-off-by: Harini Katakam <harinik@xilinx.com>
Reviewed-by: Punnaiah Choudary Kalluri <punnaia@xilinx.com>
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 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index eb7d76f7bf6a..7d4ef513df75 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -71,6 +71,7 @@ #define GEM_NCFGR 0x0004 /* Network Config */ #define GEM_USRIO 0x000c /* User IO */ #define GEM_DMACFG 0x0010 /* DMA Configuration */ +#define GEM_JML 0x0048 /* Jumbo Max Length */ #define GEM_HRB 0x0080 /* Hash Bottom */ #define GEM_HRT 0x0084 /* Hash Top */ #define GEM_SA1B 0x0088 /* Specific1 Bottom */ @@ -397,6 +398,7 @@ #define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000 #define MACB_CAPS_SG_DISABLED 0x40000000 #define MACB_CAPS_MACB_IS_GEM 0x80000000 +#define MACB_CAPS_JUMBO 0x00000008 /* Bit manipulation macros */ #define MACB_BIT(name) \ @@ -514,6 +516,9 @@ struct macb_dma_desc { #define MACB_RX_BROADCAST_OFFSET 31 #define MACB_RX_BROADCAST_SIZE 1 +#define MACB_RX_FRMLEN_MASK 0xFFF +#define MACB_RX_JFRMLEN_MASK 0x3FFF + /* RX checksum offload disabled: bit 24 clear in NCFGR */ #define GEM_RX_TYPEID_MATCH_OFFSET 22 #define GEM_RX_TYPEID_MATCH_SIZE 2 @@ -757,6 +762,7 @@ struct macb_config { int (*clk_init)(struct platform_device *pdev, struct clk **pclk, struct clk **hclk, struct clk **tx_clk); int (*init)(struct platform_device *pdev); + int jumbo_max_len; }; struct macb_queue { @@ -826,6 +832,9 @@ struct macb { unsigned int max_tx_length; u64 ethtool_stats[GEM_STATS_LEN]; + + unsigned int rx_frm_len_mask; + unsigned int jumbo_max_len; }; static inline bool macb_is_gem(struct macb *bp) |
