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hc
2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e 
 kernel/drivers/infiniband/hw/mlx5/mad.c
....@@ -30,12 +30,12 @@
3030  * SOFTWARE.
3131  */
3232 
33
-#include <linux/mlx5/cmd.h>
3433 #include <linux/mlx5/vport.h>
3534 #include <rdma/ib_mad.h>
3635 #include <rdma/ib_smi.h>
3736 #include <rdma/ib_pma.h>
3837 #include "mlx5_ib.h"
38
+#include "cmd.h"
3939 
4040 enum {
4141 	MLX5_IB_VENDOR_CLASS1 = 0x9,
....@@ -51,9 +51,10 @@
5151 	return dev->mdev->port_caps[port_num - 1].has_smi;
5252 }
5353 
54
-int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey, int ignore_bkey,
55
-		 u8 port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
56
-		 const void *in_mad, void *response_mad)
54
+static int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey,
55
+			int ignore_bkey, u8 port, const struct ib_wc *in_wc,
56
+			const struct ib_grh *in_grh, const void *in_mad,
57
+			void *response_mad)
5758 {
5859 	u8 op_modifier = 0;
5960 
....@@ -68,59 +69,8 @@
6869 	if (ignore_bkey || !in_wc)
6970 		op_modifier |= 0x2;
7071 
71
-	return mlx5_core_mad_ifc(dev->mdev, in_mad, response_mad, op_modifier, port);
72
-}
73
-
74
-static int process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
75
-		       const struct ib_wc *in_wc, const struct ib_grh *in_grh,
76
-		       const struct ib_mad *in_mad, struct ib_mad *out_mad)
77
-{
78
-	u16 slid;
79
-	int err;
80
-
81
-	slid = in_wc ? ib_lid_cpu16(in_wc->slid) : be16_to_cpu(IB_LID_PERMISSIVE);
82
-
83
-	if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP && slid == 0)
84
-		return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
85
-
86
-	if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED ||
87
-	    in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) {
88
-		if (in_mad->mad_hdr.method   != IB_MGMT_METHOD_GET &&
89
-		    in_mad->mad_hdr.method   != IB_MGMT_METHOD_SET &&
90
-		    in_mad->mad_hdr.method   != IB_MGMT_METHOD_TRAP_REPRESS)
91
-			return IB_MAD_RESULT_SUCCESS;
92
-
93
-		/* Don't process SMInfo queries -- the SMA can't handle them.
94
-		 */
95
-		if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO)
96
-			return IB_MAD_RESULT_SUCCESS;
97
-	} else if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT ||
98
-		   in_mad->mad_hdr.mgmt_class == MLX5_IB_VENDOR_CLASS1   ||
99
-		   in_mad->mad_hdr.mgmt_class == MLX5_IB_VENDOR_CLASS2   ||
100
-		   in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_CONG_MGMT) {
101
-		if (in_mad->mad_hdr.method  != IB_MGMT_METHOD_GET &&
102
-		    in_mad->mad_hdr.method  != IB_MGMT_METHOD_SET)
103
-			return IB_MAD_RESULT_SUCCESS;
104
-	} else {
105
-		return IB_MAD_RESULT_SUCCESS;
106
-	}
107
-
108
-	err = mlx5_MAD_IFC(to_mdev(ibdev),
109
-			   mad_flags & IB_MAD_IGNORE_MKEY,
110
-			   mad_flags & IB_MAD_IGNORE_BKEY,
111
-			   port_num, in_wc, in_grh, in_mad, out_mad);
112
-	if (err)
113
-		return IB_MAD_RESULT_FAILURE;
114
-
115
-	/* set return bit in status of directed route responses */
116
-	if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
117
-		out_mad->mad_hdr.status |= cpu_to_be16(1 << 15);
118
-
119
-	if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP_REPRESS)
120
-		/* no response for trap repress */
121
-		return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
122
-
123
-	return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
72
+	return mlx5_cmd_mad_ifc(dev->mdev, in_mad, response_mad, op_modifier,
73
+				port);
12474 }
12575 
12676 static void pma_cnt_ext_assign(struct ib_pma_portcounters_ext *pma_cnt_ext,
....@@ -216,6 +166,12 @@
216166 		mdev = dev->mdev;
217167 		mdev_port_num = 1;
218168 	}
169
+	if (MLX5_CAP_GEN(dev->mdev, num_ports) == 1) {
170
+		/* set local port to one for Function-Per-Port HCA. */
171
+		mdev = dev->mdev;
172
+		mdev_port_num = 1;
173
+	}
174
+
219175 	/* Declaring support of extended counters */
220176 	if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO) {
221177 		struct ib_class_port_info cpi = {};
....@@ -237,8 +193,8 @@
237193 			goto done;
238194 		}
239195 
240
-		err = mlx5_core_query_vport_counter(mdev, 0, 0,
241
-						    mdev_port_num, out_cnt, sz);
196
+		err = mlx5_core_query_vport_counter(mdev, 0, 0, mdev_port_num,
197
+						    out_cnt);
242198 		if (!err)
243199 			pma_cnt_ext_assign(pma_cnt_ext, out_cnt);
244200 	} else {
....@@ -268,30 +224,65 @@
268224 
269225 int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
270226 			const struct ib_wc *in_wc, const struct ib_grh *in_grh,
271
-			const struct ib_mad_hdr *in, size_t in_mad_size,
272
-			struct ib_mad_hdr *out, size_t *out_mad_size,
273
-			u16 *out_mad_pkey_index)
227
+			const struct ib_mad *in, struct ib_mad *out,
228
+			size_t *out_mad_size, u16 *out_mad_pkey_index)
274229 {
275230 	struct mlx5_ib_dev *dev = to_mdev(ibdev);
276
-	const struct ib_mad *in_mad = (const struct ib_mad *)in;
277
-	struct ib_mad *out_mad = (struct ib_mad *)out;
278
-	int ret;
231
+	u8 mgmt_class = in->mad_hdr.mgmt_class;
232
+	u8 method = in->mad_hdr.method;
233
+	u16 slid;
234
+	int err;
279235 
280
-	if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
281
-			 *out_mad_size != sizeof(*out_mad)))
236
+	slid = in_wc ? ib_lid_cpu16(in_wc->slid) :
237
+		       be16_to_cpu(IB_LID_PERMISSIVE);
238
+
239
+	if (method == IB_MGMT_METHOD_TRAP && !slid)
240
+		return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
241
+
242
+	switch (mgmt_class) {
243
+	case IB_MGMT_CLASS_SUBN_LID_ROUTED:
244
+	case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: {
245
+		if (method != IB_MGMT_METHOD_GET &&
246
+		    method != IB_MGMT_METHOD_SET &&
247
+		    method != IB_MGMT_METHOD_TRAP_REPRESS)
248
+			return IB_MAD_RESULT_SUCCESS;
249
+
250
+		/* Don't process SMInfo queries -- the SMA can't handle them.
251
+		 */
252
+		if (in->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO)
253
+			return IB_MAD_RESULT_SUCCESS;
254
+	} break;
255
+	case IB_MGMT_CLASS_PERF_MGMT:
256
+		if (MLX5_CAP_GEN(dev->mdev, vport_counters) &&
257
+		    method == IB_MGMT_METHOD_GET)
258
+			return process_pma_cmd(dev, port_num, in, out);
259
+		fallthrough;
260
+	case MLX5_IB_VENDOR_CLASS1:
261
+	case MLX5_IB_VENDOR_CLASS2:
262
+	case IB_MGMT_CLASS_CONG_MGMT: {
263
+		if (method != IB_MGMT_METHOD_GET &&
264
+		    method != IB_MGMT_METHOD_SET)
265
+			return IB_MAD_RESULT_SUCCESS;
266
+	} break;
267
+	default:
268
+		return IB_MAD_RESULT_SUCCESS;
269
+	}
270
+
271
+	err = mlx5_MAD_IFC(to_mdev(ibdev), mad_flags & IB_MAD_IGNORE_MKEY,
272
+			   mad_flags & IB_MAD_IGNORE_BKEY, port_num, in_wc,
273
+			   in_grh, in, out);
274
+	if (err)
282275 		return IB_MAD_RESULT_FAILURE;
283276 
284
-	memset(out_mad->data, 0, sizeof(out_mad->data));
277
+	/* set return bit in status of directed route responses */
278
+	if (mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
279
+		out->mad_hdr.status |= cpu_to_be16(1 << 15);
285280 
286
-	if (MLX5_CAP_GEN(dev->mdev, vport_counters) &&
287
-	    in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT &&
288
-	    in_mad->mad_hdr.method == IB_MGMT_METHOD_GET) {
289
-		ret = process_pma_cmd(dev, port_num, in_mad, out_mad);
290
-	} else {
291
-		ret =  process_mad(ibdev, mad_flags, port_num, in_wc, in_grh,
292
-				   in_mad, out_mad);
293
-	}
294
-	return ret;
281
+	if (method == IB_MGMT_METHOD_TRAP_REPRESS)
282
+		/* no response for trap repress */
283
+		return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
284
+
285
+	return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
295286 }
296287 
297288 int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port)
....@@ -538,11 +529,6 @@
538529 	int ext_active_speed;
539530 	int err = -ENOMEM;
540531 
541
-	if (port < 1 || port > dev->num_ports) {
542
-		mlx5_ib_warn(dev, "invalid port number %d\n", port);
543
-		return -EINVAL;
544
-	}
545
-
546532 	in_mad  = kzalloc(sizeof(*in_mad), GFP_KERNEL);
547533 	out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
548534 	if (!in_mad || !out_mad)
....@@ -580,6 +566,14 @@
580566 	props->max_vl_num	= out_mad->data[37] >> 4;
581567 	props->init_type_reply	= out_mad->data[41] >> 4;
582568 
569
+	if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP) {
570
+		props->port_cap_flags2 =
571
+			be16_to_cpup((__be16 *)(out_mad->data + 60));
572
+
573
+		if (props->port_cap_flags2 & IB_PORT_LINK_WIDTH_2X_SUP)
574
+			props->active_width = out_mad->data[31] & 0x1f;
575
+	}
576
+
583577 	/* Check if extended speeds (EDR/FDR/...) are supported */
584578 	if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) {
585579 		ext_active_speed = out_mad->data[62] >> 4;
....@@ -591,6 +585,11 @@
591585 		case 2:
592586 			props->active_speed = 32; /* EDR */
593587 			break;
588
+		case 4:
589
+			if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP &&
590
+			    props->port_cap_flags2 & IB_PORT_LINK_SPEED_HDR_SUP)
591
+				props->active_speed = IB_SPEED_HDR;
592
+			break;
594593 		}
595594 	}
596595