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bnxt_en: Increase context memory allocations on 57500 chips for RDMA. 

If RDMA is supported on the 57500 chip, increase context memory
allocations for the resources used by RDMA.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2018-12-20 03:38:51 -05:00 committed by David S. Miller
parent 08fe9d1816
commit cf6daed098
2 changed files with 59 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -6128,6 +6128,22 @@ static int bnxt_hwrm_func_backing_store_cfg(struct bnxt *bp, u32 enables)
&req.stat_pg_size_stat_lvl,
&req.stat_page_dir);
}
if (enables & FUNC_BACKING_STORE_CFG_REQ_ENABLES_MRAV) {
ctx_pg = &ctx->mrav_mem;
req.mrav_num_entries = cpu_to_le32(ctx_pg->entries);
req.mrav_entry_size = cpu_to_le16(ctx->mrav_entry_size);
bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem,
&req.mrav_pg_size_mrav_lvl,
&req.mrav_page_dir);
}
if (enables & FUNC_BACKING_STORE_CFG_REQ_ENABLES_TIM) {
ctx_pg = &ctx->tim_mem;
req.tim_num_entries = cpu_to_le32(ctx_pg->entries);
req.tim_entry_size = cpu_to_le16(ctx->tim_entry_size);
bnxt_hwrm_set_pg_attr(&ctx_pg->ring_mem,
&req.tim_pg_size_tim_lvl,
&req.tim_page_dir);
}
for (i = 0, num_entries = &req.tqm_sp_num_entries,
pg_attr = &req.tqm_sp_pg_size_tqm_sp_lvl,
pg_dir = &req.tqm_sp_page_dir,
@ -6261,6 +6277,8 @@ static void bnxt_free_ctx_mem(struct bnxt *bp)
ctx->tqm_mem[0] = NULL;
}
bnxt_free_ctx_pg_tbls(bp, &ctx->tim_mem);
bnxt_free_ctx_pg_tbls(bp, &ctx->mrav_mem);
bnxt_free_ctx_pg_tbls(bp, &ctx->stat_mem);
bnxt_free_ctx_pg_tbls(bp, &ctx->vnic_mem);
bnxt_free_ctx_pg_tbls(bp, &ctx->cq_mem);
@ -6274,6 +6292,9 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
struct bnxt_ctx_pg_info *ctx_pg;
struct bnxt_ctx_mem_info *ctx;
u32 mem_size, ena, entries;
u32 extra_srqs = 0;
u32 extra_qps = 0;
u8 pg_lvl = 1;
int i, rc;
rc = bnxt_hwrm_func_backing_store_qcaps(bp);
@ -6286,24 +6307,31 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
if (!ctx || (ctx->flags & BNXT_CTX_FLAG_INITED))
return 0;
if (bp->flags & BNXT_FLAG_ROCE_CAP) {
pg_lvl = 2;
extra_qps = 65536;
extra_srqs = 8192;
}
ctx_pg = &ctx->qp_mem;
ctx_pg->entries = ctx->qp_min_qp1_entries + ctx->qp_max_l2_entries;
ctx_pg->entries = ctx->qp_min_qp1_entries + ctx->qp_max_l2_entries +
extra_qps;
mem_size = ctx->qp_entry_size * ctx_pg->entries;
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1);
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl);
if (rc)
return rc;
ctx_pg = &ctx->srq_mem;
ctx_pg->entries = ctx->srq_max_l2_entries;
ctx_pg->entries = ctx->srq_max_l2_entries + extra_srqs;
mem_size = ctx->srq_entry_size * ctx_pg->entries;
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1);
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl);
if (rc)
return rc;
ctx_pg = &ctx->cq_mem;
ctx_pg->entries = ctx->cq_max_l2_entries;
ctx_pg->entries = ctx->cq_max_l2_entries + extra_qps * 2;
mem_size = ctx->cq_entry_size * ctx_pg->entries;
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1);
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, pg_lvl);
if (rc)
return rc;
@ -6322,11 +6350,32 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
if (rc)
return rc;
entries = ctx->qp_max_l2_entries;
ena = 0;
if (!(bp->flags & BNXT_FLAG_ROCE_CAP))
goto skip_rdma;
ctx_pg = &ctx->mrav_mem;
ctx_pg->entries = extra_qps * 4;
mem_size = ctx->mrav_entry_size * ctx_pg->entries;
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 2);
if (rc)
return rc;
ena = FUNC_BACKING_STORE_CFG_REQ_ENABLES_MRAV;
ctx_pg = &ctx->tim_mem;
ctx_pg->entries = ctx->qp_mem.entries;
mem_size = ctx->tim_entry_size * ctx_pg->entries;
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1);
if (rc)
return rc;
ena |= FUNC_BACKING_STORE_CFG_REQ_ENABLES_TIM;
skip_rdma:
entries = ctx->qp_max_l2_entries + extra_qps;
entries = roundup(entries, ctx->tqm_entries_multiple);
entries = clamp_t(u32, entries, ctx->tqm_min_entries_per_ring,
ctx->tqm_max_entries_per_ring);
for (i = 0, ena = 0; i < bp->max_q + 1; i++) {
for (i = 0; i < bp->max_q + 1; i++) {
ctx_pg = ctx->tqm_mem[i];
ctx_pg->entries = entries;
mem_size = ctx->tqm_entry_size * entries;

2
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -1237,6 +1237,8 @@ struct bnxt_ctx_mem_info {
struct bnxt_ctx_pg_info cq_mem;
struct bnxt_ctx_pg_info vnic_mem;
struct bnxt_ctx_pg_info stat_mem;
struct bnxt_ctx_pg_info mrav_mem;
struct bnxt_ctx_pg_info tim_mem;
struct bnxt_ctx_pg_info *tqm_mem[9];
};