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Date:      Fri, 23 Sep 2016 08:23:57 +0000 (UTC)
From:      Hans Petter Selasky <hselasky@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org
Subject:   svn commit: r306239 - stable/11/sys/dev/mlx5/mlx5_en
Message-ID:  <201609230823.u8N8NvFK050012@repo.freebsd.org>
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Author: hselasky
Date: Fri Sep 23 08:23:57 2016
New Revision: 306239
URL: https://svnweb.freebsd.org/changeset/base/306239

Log:
  MFC r305873:
  mlx5en: Factor out common sendqueue code for use with rate limiting SQs.
  
  Try to reuse code to setup sendqueues when possible by making some static
  functions global. Further split the mlx5e_close_sq_wait() function to
  separate out reusable parts.
  
  Sponsored by:	Mellanox Technologies

Modified:
  stable/11/sys/dev/mlx5/mlx5_en/en.h
  stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/dev/mlx5/mlx5_en/en.h
==============================================================================
--- stable/11/sys/dev/mlx5/mlx5_en/en.h	Fri Sep 23 08:23:11 2016	(r306238)
+++ stable/11/sys/dev/mlx5/mlx5_en/en.h	Fri Sep 23 08:23:57 2016	(r306239)
@@ -812,5 +812,11 @@ int	mlx5e_refresh_channel_params(struct 
 int	mlx5e_open_cq(struct mlx5e_priv *, struct mlx5e_cq_param *,
     struct mlx5e_cq *, mlx5e_cq_comp_t *, int eq_ix);
 void	mlx5e_close_cq(struct mlx5e_cq *);
+void	mlx5e_free_sq_db(struct mlx5e_sq *);
+int	mlx5e_alloc_sq_db(struct mlx5e_sq *);
+int	mlx5e_enable_sq(struct mlx5e_sq *, struct mlx5e_sq_param *, int tis_num);
+int	mlx5e_modify_sq(struct mlx5e_sq *, int curr_state, int next_state);
+void	mlx5e_disable_sq(struct mlx5e_sq *);
+void	mlx5e_drain_sq(struct mlx5e_sq *);
 
 #endif					/* _MLX5_EN_H_ */

Modified: stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c
==============================================================================
--- stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c	Fri Sep 23 08:23:11 2016	(r306238)
+++ stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c	Fri Sep 23 08:23:57 2016	(r306239)
@@ -873,7 +873,7 @@ mlx5e_close_rq_wait(struct mlx5e_rq *rq)
 	mlx5e_destroy_rq(rq);
 }
 
-static void
+void
 mlx5e_free_sq_db(struct mlx5e_sq *sq)
 {
 	int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
@@ -884,7 +884,7 @@ mlx5e_free_sq_db(struct mlx5e_sq *sq)
 	free(sq->mbuf, M_MLX5EN);
 }
 
-static int
+int
 mlx5e_alloc_sq_db(struct mlx5e_sq *sq)
 {
 	int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
@@ -1033,8 +1033,9 @@ mlx5e_destroy_sq(struct mlx5e_sq *sq)
 	buf_ring_free(sq->br, M_MLX5EN);
 }
 
-static int
-mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param)
+int
+mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param,
+    int tis_num)
 {
 	void *in;
 	void *sqc;
@@ -1053,7 +1054,7 @@ mlx5e_enable_sq(struct mlx5e_sq *sq, str
 
 	memcpy(sqc, param->sqc, sizeof(param->sqc));
 
-	MLX5_SET(sqc, sqc, tis_num_0, sq->priv->tisn[sq->tc]);
+	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, tis_lst_sz, 1);
@@ -1075,7 +1076,7 @@ mlx5e_enable_sq(struct mlx5e_sq *sq, str
 	return (err);
 }
 
-static int
+int
 mlx5e_modify_sq(struct mlx5e_sq *sq, int curr_state, int next_state)
 {
 	void *in;
@@ -1101,7 +1102,7 @@ mlx5e_modify_sq(struct mlx5e_sq *sq, int
 	return (err);
 }
 
-static void
+void
 mlx5e_disable_sq(struct mlx5e_sq *sq)
 {
 
@@ -1120,7 +1121,7 @@ mlx5e_open_sq(struct mlx5e_channel *c,
 	if (err)
 		return (err);
 
-	err = mlx5e_enable_sq(sq, param);
+	err = mlx5e_enable_sq(sq, param, c->priv->tisn[tc]);
 	if (err)
 		goto err_destroy_sq;
 
@@ -1196,8 +1197,8 @@ mlx5e_sq_cev_timeout(void *arg)
 	callout_reset_curcpu(&sq->cev_callout, hz, mlx5e_sq_cev_timeout, sq);
 }
 
-static void
-mlx5e_close_sq_wait(struct mlx5e_sq *sq)
+void
+mlx5e_drain_sq(struct mlx5e_sq *sq)
 {
 
 	mtx_lock(&sq->lock);
@@ -1224,7 +1225,13 @@ mlx5e_close_sq_wait(struct mlx5e_sq *sq)
 		mtx_lock(&sq->lock);
 	}
 	mtx_unlock(&sq->lock);
+}
+
+static void
+mlx5e_close_sq_wait(struct mlx5e_sq *sq)
+{
 
+	mlx5e_drain_sq(sq);
 	mlx5e_disable_sq(sq);
 	mlx5e_destroy_sq(sq);
 }

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