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Date:      Mon, 12 Jul 2021 13:09:53 GMT
From:      Hans Petter Selasky <hselasky@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: 4fb0a74e0817 - main - mlx5: Set default timestamp format for mlx5en(4) and mlx5ib.
Message-ID:  <202107121309.16CD9r1C095376@gitrepo.freebsd.org>

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The branch main has been updated by hselasky:

URL: https://cgit.FreeBSD.org/src/commit/?id=4fb0a74e081772fc6fc2a43222ee072fd089bf5f

commit 4fb0a74e081772fc6fc2a43222ee072fd089bf5f
Author:     Hans Petter Selasky <hselasky@FreeBSD.org>
AuthorDate: 2021-06-16 13:01:53 +0000
Commit:     Hans Petter Selasky <hselasky@FreeBSD.org>
CommitDate: 2021-07-12 12:22:33 +0000

    mlx5: Set default timestamp format for mlx5en(4) and mlx5ib.
    
    MFC after:      1 week
    Reviewed by:    kib
    Sponsored by:   Mellanox Technologies // NVIDIA Networking
---
 sys/dev/mlx5/driver.h               | 21 +++++++++++++++++++++
 sys/dev/mlx5/mlx5_en/mlx5_en_main.c |  7 ++++++-
 sys/dev/mlx5/mlx5_ib/mlx5_ib_qp.c   | 14 +++++++++++++-
 3 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/sys/dev/mlx5/driver.h b/sys/dev/mlx5/driver.h
index 5d4f58d7e1fd..c36380505fbb 100644
--- a/sys/dev/mlx5/driver.h
+++ b/sys/dev/mlx5/driver.h
@@ -1202,4 +1202,25 @@ static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev)
 void mlx5_disable_interrupts(struct mlx5_core_dev *);
 void mlx5_poll_interrupts(struct mlx5_core_dev *);
 
+static inline int mlx5_get_qp_default_ts(struct mlx5_core_dev *dev)
+{
+        return !MLX5_CAP_ROCE(dev, qp_ts_format) ?
+                       MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING :
+                       MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT;
+}
+
+static inline int mlx5_get_rq_default_ts(struct mlx5_core_dev *dev)
+{
+        return !MLX5_CAP_GEN(dev, rq_ts_format) ?
+                       MLX5_RQC_TIMESTAMP_FORMAT_FREE_RUNNING :
+                       MLX5_RQC_TIMESTAMP_FORMAT_DEFAULT;
+}
+
+static inline int mlx5_get_sq_default_ts(struct mlx5_core_dev *dev)
+{
+        return !MLX5_CAP_GEN(dev, sq_ts_format) ?
+                       MLX5_SQC_TIMESTAMP_FORMAT_FREE_RUNNING :
+                       MLX5_SQC_TIMESTAMP_FORMAT_DEFAULT;
+}
+
 #endif /* MLX5_DRIVER_H */
diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
index 57da44e68de3..fc9ffc01a0df 100644
--- a/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
+++ b/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
@@ -1350,12 +1350,12 @@ mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param)
 	struct mlx5e_channel *c = rq->channel;
 	struct mlx5e_priv *priv = c->priv;
 	struct mlx5_core_dev *mdev = priv->mdev;
-
 	void *in;
 	void *rqc;
 	void *wq;
 	int inlen;
 	int err;
+	u8 ts_format;
 
 	inlen = MLX5_ST_SZ_BYTES(create_rq_in) +
 	    sizeof(u64) * rq->wq_ctrl.buf.npages;
@@ -1363,6 +1363,7 @@ mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param)
 	if (in == NULL)
 		return (-ENOMEM);
 
+	ts_format = mlx5_get_rq_default_ts(mdev);
 	rqc = MLX5_ADDR_OF(create_rq_in, in, ctx);
 	wq = MLX5_ADDR_OF(rqc, rqc, wq);
 
@@ -1370,6 +1371,7 @@ mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param)
 
 	MLX5_SET(rqc, rqc, cqn, c->rq.cq.mcq.cqn);
 	MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST);
+	MLX5_SET(rqc, rqc, ts_format, ts_format);
 	MLX5_SET(rqc, rqc, flush_in_error_en, 1);
 	if (priv->counter_set_id >= 0)
 		MLX5_SET(rqc, rqc, counter_set_id, priv->counter_set_id);
@@ -1673,6 +1675,7 @@ mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param,
 	void *wq;
 	int inlen;
 	int err;
+	u8 ts_format;
 
 	inlen = MLX5_ST_SZ_BYTES(create_sq_in) +
 	    sizeof(u64) * sq->wq_ctrl.buf.npages;
@@ -1680,6 +1683,7 @@ mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param,
 	if (in == NULL)
 		return (-ENOMEM);
 
+	ts_format = mlx5_get_sq_default_ts(sq->priv->mdev);
 	sqc = MLX5_ADDR_OF(create_sq_in, in, ctx);
 	wq = MLX5_ADDR_OF(sqc, sqc, wq);
 
@@ -1688,6 +1692,7 @@ mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param,
 	MLX5_SET(sqc, sqc, tis_num_0, tis_num);
 	MLX5_SET(sqc, sqc, cqn, sq->cq.mcq.cqn);
 	MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST);
+	MLX5_SET(sqc, sqc, ts_format, ts_format);
 	MLX5_SET(sqc, sqc, tis_lst_sz, 1);
 	MLX5_SET(sqc, sqc, flush_in_error_en, 1);
 	MLX5_SET(sqc, sqc, allow_swp, 1);
diff --git a/sys/dev/mlx5/mlx5_ib/mlx5_ib_qp.c b/sys/dev/mlx5/mlx5_ib/mlx5_ib_qp.c
index 54a091548faf..ec47b3e07b87 100644
--- a/sys/dev/mlx5/mlx5_ib/mlx5_ib_qp.c
+++ b/sys/dev/mlx5/mlx5_ib/mlx5_ib_qp.c
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2013-2020, Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2013-2021, Mellanox Technologies. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -962,6 +962,7 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev,
 
 	qpc = MLX5_ADDR_OF(create_qp_in, *in, qpc);
 	MLX5_SET(qpc, qpc, uar_page, uar_index);
+	MLX5_SET(qpc, qpc, ts_format, mlx5_get_qp_default_ts(dev->mdev));
 	MLX5_SET(qpc, qpc, log_page_size, qp->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT);
 
 	/* Set "fast registration enabled" for all kernel QPs */
@@ -1075,6 +1076,9 @@ static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
 	int npages;
 	int ncont = 0;
 	u32 offset = 0;
+	u8 ts_format;
+
+	ts_format = mlx5_get_sq_default_ts(dev->mdev);
 
 	err = mlx5_ib_umem_get(dev, pd, ubuffer->buf_addr, ubuffer->buf_size,
 			       &sq->ubuffer.umem, &npages, &page_shift,
@@ -1092,6 +1096,7 @@ static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
 	sqc = MLX5_ADDR_OF(create_sq_in, in, ctx);
 	MLX5_SET(sqc, sqc, flush_in_error_en, 1);
 	MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST);
+	MLX5_SET(sqc, sqc, ts_format, ts_format);
 	MLX5_SET(sqc, sqc, user_index, MLX5_GET(qpc, qpc, user_index));
 	MLX5_SET(sqc, sqc, cqn, MLX5_GET(qpc, qpc, cqn_snd));
 	MLX5_SET(sqc, sqc, tis_lst_sz, 1);
@@ -1161,6 +1166,9 @@ static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
 	int inlen;
 	int err;
 	u32 rq_pas_size = get_rq_pas_size(qpc);
+	u8 ts_format;
+
+	ts_format = mlx5_get_rq_default_ts(dev->mdev);
 
 	inlen = MLX5_ST_SZ_BYTES(create_rq_in) + rq_pas_size;
 	in = mlx5_vzalloc(inlen);
@@ -1171,6 +1179,7 @@ static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
 	MLX5_SET(rqc, rqc, vlan_strip_disable, 1);
 	MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_RQ_TYPE_MEMORY_RQ_INLINE);
 	MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST);
+	MLX5_SET(rqc, rqc, ts_format, ts_format);
 	MLX5_SET(rqc, rqc, flush_in_error_en, 1);
 	MLX5_SET(rqc, rqc, user_index, MLX5_GET(qpc, qpc, user_index));
 	MLX5_SET(rqc, rqc, cqn, MLX5_GET(qpc, qpc, cqn_rcv));
@@ -1754,6 +1763,9 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
 		MLX5_SET(qpc, qpc, log_rq_size, ilog2(qp->rq.wqe_cnt));
 	}
 
+	if (init_attr->qp_type != IB_QPT_RAW_PACKET)
+		MLX5_SET(qpc, qpc, ts_format, mlx5_get_qp_default_ts(dev->mdev));
+
 	MLX5_SET(qpc, qpc, rq_type, get_rx_type(qp, init_attr));
 
 	if (qp->sq.wqe_cnt)



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