diff options
| author | Mithlesh Thukral <mithlesh@linsyssoft.com> | 2009-02-06 19:30:40 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-04-03 14:53:12 -0700 |
| commit | 7c66b14b6bfd4bf1b803be5ba3cc2e2e31d784de (patch) | |
| tree | 3b18a508ebf9d40d5429dbed7cdec580f0e41866 /drivers/staging/sxg/sxghif.h | |
| parent | 559990c6885d988605e247981234a29ba0b2b2c9 (diff) | |
Staging: sxg: Add Jumbo frames support to Sahara SXG Driver
This patch adds Jumbo frame support to Sahara's SXG Driver.
Signed-off-by: LinSysSoft Sahara Team <saharaproj@linsyssoft.com>
Signed-off-by: Mithlesh Thukral <mithlesh@linsyssoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/sxg/sxghif.h')
| -rw-r--r-- | drivers/staging/sxg/sxghif.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/staging/sxg/sxghif.h b/drivers/staging/sxg/sxghif.h index 3675a1b5658..ae517798f6b 100644 --- a/drivers/staging/sxg/sxghif.h +++ b/drivers/staging/sxg/sxghif.h @@ -418,6 +418,7 @@ struct sxg_event_ring { #define SXG_XMT_RING_SIZE 128 /* Start with 128 */ #define SXG_RCV_RING_SIZE 128 /* Start with 128 */ #define SXG_MAX_ENTRIES 4096 +#define SXG_JUMBO_RCV_RING_SIZE 32 /* Structure and macros to manage a ring */ struct sxg_ring_info { @@ -713,6 +714,11 @@ enum sxg_buffer_type { /* Minimum amount and when to get more */ #define SXG_MIN_RCV_DATA_BUFFERS 4096 #define SXG_MAX_RCV_BLOCKS 256 /* = 32k receive buffers */ +/* Amount to give to the card in case of jumbo frames */ +#define SXG_JUMBO_RCV_DATA_BUFFERS 2048 +/* Initial pool of buffers in case of jumbo buffers */ +#define SXG_INITIAL_JUMBO_RCV_DATA_BUFFERS 4096 +#define SXG_MIN_JUMBO_RCV_DATA_BUFFERS 1024 /* Receive buffer header */ struct sxg_rcv_data_buffer_hdr { @@ -874,10 +880,8 @@ extern struct sxg_sgl_pool_properties SxgSglPoolProperties[]; * We currently workaround this issue by allocating SGL buffers * in 64k blocks and skipping over buffers that straddle the boundary. */ -#define SXG_INVALID_SGL(_SxgSgl) \ - (((_SxgSgl)->PhysicalAddress.LowPart & 0xFFFF0000) != \ - (((_SxgSgl)->PhysicalAddress.LowPart + \ - SXG_SGL_SIZE((_SxgSgl)->Pool)) & 0xFFFF0000)) +#define SXG_INVALID_SGL(phys_addr,len) \ + (((phys_addr >> 16) != ( (phys_addr + len) >> 16 ))) /* * Allocate SGLs in blocks so we can skip over invalid entries. |