bnxt_re/lib: Check for MSN table capability

Driver exposes the MSN table capability. Add code
to check for this capability. Rename the macro as the decision
is based on the MSN table capability now.

Signed-off-by: Selvin Xavier <[email protected]>

Author: selvintxavier

providers/bnxt_re/bnxt_re-abi.h

@@ -225,6 +225,7 @@ enum {
 	BNXT_RE_COMP_MASK_UCNTX_WC_DPI_ENABLED = 0x01,
 	BNXT_RE_COMP_MASK_UCNTX_DBR_PACING_ENABLED = 0x02,
 	BNXT_RE_COMP_MASK_UCNTX_POW2_DISABLED = 0x04,
+	BNXT_RE_COMP_MASK_UCNTX_MSN_TABLE_ENABLED = 0x08,
 };
 
 enum bnxt_re_que_flags_mask {

providers/bnxt_re/main.c

@@ -221,6 +221,8 @@ static struct verbs_context *bnxt_re_alloc_context(struct ibv_device *vdev,
 		cntx->comp_mask |= BNXT_RE_COMP_MASK_UCNTX_DBR_PACING_ENABLED;
 	if (resp.comp_mask & BNXT_RE_UCNTX_CMASK_POW2_DISABLED)
 		cntx->comp_mask |= BNXT_RE_COMP_MASK_UCNTX_POW2_DISABLED;
+	if (resp.comp_mask & BNXT_RE_UCNTX_CMASK_MSN_TABLE_ENABLED)
+		cntx->comp_mask |= BNXT_RE_COMP_MASK_UCNTX_MSN_TABLE_ENABLED;
 
 	/* mmap shared page. */
 	cntx->shpg = mmap(NULL, rdev->pg_size, PROT_READ | PROT_WRITE,

providers/bnxt_re/main.h

@@ -616,5 +616,5 @@ static inline void bnxt_re_sub_sec_busy_wait(uint32_t nsec)
 	}
 }
 
-#define BNXT_RE_HW_RETX(a) ((a)->comp_mask & BNXT_RE_COMP_MASK_UCNTX_HW_RETX_ENABLED)
+#define BNXT_RE_MSN_TBL_EN(a) ((a)->comp_mask & BNXT_RE_COMP_MASK_UCNTX_MSN_TABLE_ENABLED)
 #endif

providers/bnxt_re/verbs.c

@@ -1228,7 +1228,7 @@ static int bnxt_re_get_sqmem_size(struct bnxt_re_context *cntx,
 	if (nslots < 0)
 		return nslots;
 	npsn = bnxt_re_get_npsn(mode, nswr, nslots);
-	if (BNXT_RE_HW_RETX(cntx))
+	if (BNXT_RE_MSN_TBL_EN(cntx))
 		npsn = roundup_pow_of_two(npsn);
 
 	qattr->nwr = nswr;
@@ -1403,7 +1403,7 @@ static int bnxt_re_alloc_queues(struct bnxt_re_qp *qp,
 		       &que->tail : &qp->jsqq->start_idx;
 
 	/* Init and adjust MSN table size according to qp mode */
-	if (!BNXT_RE_HW_RETX(qp->cntx))
+	if (!BNXT_RE_MSN_TBL_EN(qp->cntx))
 		goto skip_msn;
 	que->msn = 0;
 	que->msn_tbl_sz = 0;
@@ -2030,7 +2030,7 @@ int bnxt_re_post_send(struct ibv_qp *ibvqp, struct ibv_send_wr *wr,
 		bnxt_re_fill_wrid(wrid, wr->wr_id, bytes,
 				  sig, sq->tail, slots);
 		wrid->wc_opcd = bnxt_re_ibv_wr_to_wc_opcd(wr->opcode);
-		if (BNXT_RE_HW_RETX(qp->cntx))
+		if (BNXT_RE_MSN_TBL_EN(qp->cntx))
 			bnxt_re_fill_psns_for_msntbl(qp, bytes, *sq->dbtail);
 		else
 			bnxt_re_fill_psns(qp, wrid, bytes);

providers/bnxt_re/verbs.h

@@ -62,7 +62,7 @@ struct bnxt_re_work_compl {
 
 static inline uint8_t bnxt_re_get_psne_size(struct bnxt_re_context *cntx)
 {
-	return (BNXT_RE_HW_RETX(cntx)) ? sizeof(struct bnxt_re_msns) :
+	return (BNXT_RE_MSN_TBL_EN(cntx)) ? sizeof(struct bnxt_re_msns) :
 					      (cntx->cctx.gen_p5_p7) ?
 					      sizeof(struct bnxt_re_psns_ext) :
 					      sizeof(struct bnxt_re_psns);