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| author | Rukhsana Ansari <rukhsana.ansari@broadcom.com> | 2021-06-18 02:07:26 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-18 12:00:27 -0700 |
| commit | c12e1643d2738bcd4e26252ce531878841dd3f38 (patch) | |
| tree | 22372af495d2bbbd37c603efa97daa9e48c890a4 | |
| parent | 0afd6a4e8028cc487c240b6cfe04094e45a306e4 (diff) | |
| download | nvdimm-c12e1643d2738bcd4e26252ce531878841dd3f38.tar.gz | |
bnxt_en: Fix TQM fastpath ring backing store computation
TQM fastpath ring needs to be sized to store both the requester
and responder side of RoCE QPs in TQM for supporting bi-directional
tests. Fix bnxt_alloc_ctx_mem() to multiply the RoCE QPs by a factor of
2 when computing the number of entries for TQM fastpath ring. This
fixes an RX pipeline stall issue when running bi-directional max
RoCE QP tests.
Fixes: c7dd7ab4b204 ("bnxt_en: Improve TQM ring context memory sizing formulas.")
Signed-off-by: Rukhsana Ansari <rukhsana.ansari@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 3685db6dc93d42..c913cb1f2a720b 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -7308,7 +7308,7 @@ skip_rdma: entries_sp = ctx->vnic_max_vnic_entries + ctx->qp_max_l2_entries + 2 * (extra_qps + ctx->qp_min_qp1_entries) + min; entries_sp = roundup(entries_sp, ctx->tqm_entries_multiple); - entries = ctx->qp_max_l2_entries + extra_qps + ctx->qp_min_qp1_entries; + entries = ctx->qp_max_l2_entries + 2 * (extra_qps + ctx->qp_min_qp1_entries); entries = roundup(entries, ctx->tqm_entries_multiple); entries = clamp_t(u32, entries, min, ctx->tqm_max_entries_per_ring); for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++) { |