mix: protocol change to v3, reduce sge add inline options

post send changes to reduce sge entries to 4,
add inline options, and remove hard coded
wr size.

Signed-off-by: Arlin Davis <arlin.r.davis@intel.com>

diff --git a/dat/include/dat2/dat_mic_extensions.h b/dat/include/dat2/dat_mic_extensions.h
index e20df961a585bf9a0c8bc4276f07ca080d2a12b0..e755efd0efb0e15d1875b07227ac85c2f035ff1d 100755 (executable)
--- a/dat/include/dat2/dat_mic_extensions.h
+++ b/dat/include/dat2/dat_mic_extensions.h
@@ -57,7 +57,6 @@
 #define DAT_MCM_VER            1
 #define DAT_MCM_UD_QKEY                0x78655322
 #define DAT_MCM_PDATA_SIZE      64
-#define DAT_MCM_WR             192 /* work request size (ib_wr + 7 sge's), 64 byte aligned */
 
 #define ALIGN_64(o)  ((o + 64 - 1) & ~(64-1))
 #define ALIGN_P64(o) ((((uintptr_t)o) + 64 - 1)& ~(64-1))
@@ -197,8 +196,9 @@ typedef struct dat_mcm_msg
 /* Revisions:
  * v1 - Initial release
  * v2 - Support 3 separate EP's per device (Operations/CM, unsolicited events, transmit)
+ * v3 - reduce SGE from 7 to 4, add post_send inline support
  */
-#define DAT_MIX_VER            2
+#define DAT_MIX_VER            3
 #define DAT_MIX_MSG_MAX        256
 
 typedef enum dat_mix_ops
@@ -383,8 +383,6 @@ typedef struct dat_mix_qp_attr
 } dat_mix_qp_attr_t;
 
 /*
- * todo, move posting WR's to aperture windows ??
- * ok for now since we can post async and queue them up.
  * For initial prototyping write streams we don't have many
  * completions. SCIF should be 2x speeds so once we pipeline
  * it will keep up with IB speeds.
@@ -399,6 +397,7 @@ typedef struct dat_mix_qp
        uint32_t                m_len;  /* size */
        uint32_t                m_seg;  /* segment size */
        uint32_t                wr_len; /* size */
+       uint32_t                m_inline; /* mpxyd inline threshold for SCIF dma */
 
 } dat_mix_qp_t;
 
@@ -458,7 +457,7 @@ typedef struct dat_mix_dto_comp
 
 } dat_mix_dto_comp_t;
 
-#define DAT_MIX_SGE_MAX 7
+#define DAT_MIX_SGE_MAX 4
 typedef struct dat_mix_send
 {
        dat_mix_hdr_t           hdr;