@@ -6434,23 +6434,13 @@ static int bnxt_hwrm_func_backing_store_qcaps(struct bnxt *bp)
if (!rc) {
struct bnxt_ctx_pg_info *ctx_pg;
struct bnxt_ctx_mem_info *ctx;
- int i;
+ int i, tqm_rings;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx) {
rc = -ENOMEM;
goto ctx_err;
}
- ctx_pg = kzalloc(sizeof(*ctx_pg) * (bp->max_q + 1), GFP_KERNEL);
- if (!ctx_pg) {
- kfree(ctx);
- rc = -ENOMEM;
- goto ctx_err;
- }
- for (i = 0; i < bp->max_q + 1; i++, ctx_pg++)
- ctx->tqm_mem[i] = ctx_pg;
-
- bp->ctx = ctx;
ctx->qp_max_entries = le32_to_cpu(resp->qp_max_entries);
ctx->qp_min_qp1_entries = le16_to_cpu(resp->qp_min_qp1_entries);
ctx->qp_max_l2_entries = le16_to_cpu(resp->qp_max_l2_entries);
@@ -6483,6 +6473,20 @@ static int bnxt_hwrm_func_backing_store_qcaps(struct bnxt *bp)
ctx->tim_entry_size = le16_to_cpu(resp->tim_entry_size);
ctx->tim_max_entries = le32_to_cpu(resp->tim_max_entries);
ctx->ctx_kind_initializer = resp->ctx_kind_initializer;
+ ctx->tqm_fp_rings_count = resp->tqm_fp_rings_count;
+ if (!ctx->tqm_fp_rings_count)
+ ctx->tqm_fp_rings_count = bp->max_q;
+
+ tqm_rings = ctx->tqm_fp_rings_count + 1;
+ ctx_pg = kcalloc(tqm_rings, sizeof(*ctx_pg), GFP_KERNEL);
+ if (!ctx_pg) {
+ kfree(ctx);
+ rc = -ENOMEM;
+ goto ctx_err;
+ }
+ for (i = 0; i < tqm_rings; i++, ctx_pg++)
+ ctx->tqm_mem[i] = ctx_pg;
+ bp->ctx = ctx;
} else {
rc = 0;
}
@@ -6735,7 +6739,7 @@ static void bnxt_free_ctx_mem(struct bnxt *bp)
return;
if (ctx->tqm_mem[0]) {
- for (i = 0; i < bp->max_q + 1; i++)
+ for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++)
bnxt_free_ctx_pg_tbls(bp, ctx->tqm_mem[i]);
kfree(ctx->tqm_mem[0]);
ctx->tqm_mem[0] = NULL;
@@ -6849,7 +6853,7 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
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; i < bp->max_q + 1; i++) {
+ for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++) {
ctx_pg = ctx->tqm_mem[i];
ctx_pg->entries = entries;
mem_size = ctx->tqm_entry_size * entries;
@@ -1357,6 +1357,7 @@ struct bnxt_ctx_mem_info {
u16 mrav_num_entries_units;
u8 tqm_entries_multiple;
u8 ctx_kind_initializer;
+ u8 tqm_fp_rings_count;
u32 flags;
#define BNXT_CTX_FLAG_INITED 0x01
Newer firmware spec. will specify the number of TQM rings to allocate context memory for. Use the firmware specified value and fall back to the old value derived from bp->max_q if it is not available. Signed-off-by: Michael Chan <michael.chan@broadcom.com> --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 30 +++++++++++++++++------------- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 + 2 files changed, 18 insertions(+), 13 deletions(-)