1 /*
2  * Copyright (c) 2017, Mellanox Technologies. All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #if !defined(_MLX5_FS_TP_) || defined(TRACE_HEADER_MULTI_READ)
34 #define _MLX5_FS_TP_
35 
36 #include <linux/tracepoint.h>
37 #include <linux/trace_seq.h>
38 #include "../fs_core.h"
39 
40 #undef TRACE_SYSTEM
41 #define TRACE_SYSTEM mlx5
42 
43 #define __parse_fs_hdrs(match_criteria_enable, mouter, mmisc, minner, vouter, \
44 			vinner, vmisc)					      \
45 	parse_fs_hdrs(p, match_criteria_enable, mouter, mmisc, minner, vouter,\
46 		      vinner, vmisc)
47 
48 const char *parse_fs_hdrs(struct trace_seq *p,
49 			  u8 match_criteria_enable,
50 			  const u32 *mask_outer,
51 			  const u32 *mask_misc,
52 			  const u32 *mask_inner,
53 			  const u32 *value_outer,
54 			  const u32 *value_misc,
55 			  const u32 *value_inner);
56 
57 #define __parse_fs_dst(dst, counter_id) \
58 	parse_fs_dst(p, (const struct mlx5_flow_destination *)dst, counter_id)
59 
60 const char *parse_fs_dst(struct trace_seq *p,
61 			 const struct mlx5_flow_destination *dst,
62 			 u32 counter_id);
63 
64 TRACE_EVENT(mlx5_fs_add_fg,
65 	    TP_PROTO(const struct mlx5_flow_group *fg),
66 	    TP_ARGS(fg),
67 	    TP_STRUCT__entry(
68 		__field(const struct mlx5_flow_group *, fg)
69 		__field(const struct mlx5_flow_table *, ft)
70 		__field(u32, start_index)
71 		__field(u32, end_index)
72 		__field(u32, id)
73 		__field(u8, mask_enable)
74 		__array(u32, mask_outer, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
75 		__array(u32, mask_inner, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
76 		__array(u32, mask_misc, MLX5_ST_SZ_DW(fte_match_set_misc))
77 	    ),
78 	    TP_fast_assign(
79 			   __entry->fg = fg;
80 			   fs_get_obj(__entry->ft, fg->node.parent);
81 			   __entry->start_index = fg->start_index;
82 			   __entry->end_index = fg->start_index + fg->max_ftes;
83 			   __entry->id = fg->id;
84 			   __entry->mask_enable = fg->mask.match_criteria_enable;
85 			   memcpy(__entry->mask_outer,
86 				  MLX5_ADDR_OF(fte_match_param,
87 					       &fg->mask.match_criteria,
88 					       outer_headers),
89 				  sizeof(__entry->mask_outer));
90 			   memcpy(__entry->mask_inner,
91 				  MLX5_ADDR_OF(fte_match_param,
92 					       &fg->mask.match_criteria,
93 					       inner_headers),
94 				  sizeof(__entry->mask_inner));
95 			   memcpy(__entry->mask_misc,
96 				  MLX5_ADDR_OF(fte_match_param,
97 					       &fg->mask.match_criteria,
98 					       misc_parameters),
99 				  sizeof(__entry->mask_misc));
100 
101 	    ),
102 	    TP_printk("fg=%p ft=%p id=%u start=%u end=%u bit_mask=%02x %s\n",
103 		      __entry->fg, __entry->ft, __entry->id,
104 		      __entry->start_index, __entry->end_index,
105 		      __entry->mask_enable,
106 		      __parse_fs_hdrs(__entry->mask_enable,
107 				      __entry->mask_outer,
108 				      __entry->mask_misc,
109 				      __entry->mask_inner,
110 				      __entry->mask_outer,
111 				      __entry->mask_misc,
112 				      __entry->mask_inner))
113 	    );
114 
115 TRACE_EVENT(mlx5_fs_del_fg,
116 	    TP_PROTO(const struct mlx5_flow_group *fg),
117 	    TP_ARGS(fg),
118 	    TP_STRUCT__entry(
119 		__field(const struct mlx5_flow_group *, fg)
120 		__field(u32, id)
121 	    ),
122 	    TP_fast_assign(
123 			   __entry->fg = fg;
124 			   __entry->id = fg->id;
125 
126 	    ),
127 	    TP_printk("fg=%p id=%u\n",
128 		      __entry->fg, __entry->id)
129 	    );
130 
131 #define ACTION_FLAGS \
132 	{MLX5_FLOW_CONTEXT_ACTION_ALLOW,	 "ALLOW"},\
133 	{MLX5_FLOW_CONTEXT_ACTION_DROP,		 "DROP"},\
134 	{MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,	 "FWD"},\
135 	{MLX5_FLOW_CONTEXT_ACTION_COUNT,	 "CNT"},\
136 	{MLX5_FLOW_CONTEXT_ACTION_ENCAP,	 "ENCAP"},\
137 	{MLX5_FLOW_CONTEXT_ACTION_DECAP,	 "DECAP"},\
138 	{MLX5_FLOW_CONTEXT_ACTION_MOD_HDR,	 "MOD_HDR"},\
139 	{MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO, "NEXT_PRIO"}
140 
141 TRACE_EVENT(mlx5_fs_set_fte,
142 	    TP_PROTO(const struct fs_fte *fte, bool new_fte),
143 	    TP_ARGS(fte, new_fte),
144 	    TP_STRUCT__entry(
145 		__field(const struct fs_fte *, fte)
146 		__field(const struct mlx5_flow_group *, fg)
147 		__field(u32, group_index)
148 		__field(u32, index)
149 		__field(u32, action)
150 		__field(u32, flow_tag)
151 		__field(u8,  mask_enable)
152 		__field(bool, new_fte)
153 		__array(u32, mask_outer, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
154 		__array(u32, mask_inner, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
155 		__array(u32, mask_misc, MLX5_ST_SZ_DW(fte_match_set_misc))
156 		__array(u32, value_outer, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
157 		__array(u32, value_inner, MLX5_ST_SZ_DW(fte_match_set_lyr_2_4))
158 		__array(u32, value_misc, MLX5_ST_SZ_DW(fte_match_set_misc))
159 	    ),
160 	    TP_fast_assign(
161 			   __entry->fte = fte;
162 			   __entry->new_fte = new_fte;
163 			   fs_get_obj(__entry->fg, fte->node.parent);
164 			   __entry->group_index = __entry->fg->id;
165 			   __entry->index = fte->index;
166 			   __entry->action = fte->action;
167 			   __entry->mask_enable = __entry->fg->mask.match_criteria_enable;
168 			   __entry->flow_tag = fte->flow_tag;
169 			   memcpy(__entry->mask_outer,
170 				  MLX5_ADDR_OF(fte_match_param,
171 					       &__entry->fg->mask.match_criteria,
172 					       outer_headers),
173 				  sizeof(__entry->mask_outer));
174 			   memcpy(__entry->mask_inner,
175 				  MLX5_ADDR_OF(fte_match_param,
176 					       &__entry->fg->mask.match_criteria,
177 					       inner_headers),
178 				  sizeof(__entry->mask_inner));
179 			   memcpy(__entry->mask_misc,
180 				  MLX5_ADDR_OF(fte_match_param,
181 					       &__entry->fg->mask.match_criteria,
182 					       misc_parameters),
183 				  sizeof(__entry->mask_misc));
184 			   memcpy(__entry->value_outer,
185 				  MLX5_ADDR_OF(fte_match_param,
186 					       &fte->val,
187 					       outer_headers),
188 				  sizeof(__entry->value_outer));
189 			   memcpy(__entry->value_inner,
190 				  MLX5_ADDR_OF(fte_match_param,
191 					       &fte->val,
192 					       inner_headers),
193 				  sizeof(__entry->value_inner));
194 			   memcpy(__entry->value_misc,
195 				  MLX5_ADDR_OF(fte_match_param,
196 					       &fte->val,
197 					       misc_parameters),
198 				  sizeof(__entry->value_misc));
199 
200 	    ),
201 	    TP_printk("op=%s fte=%p fg=%p index=%u group_index=%u action=<%s> flow_tag=%x %s\n",
202 		      __entry->new_fte ? "add" : "set",
203 		      __entry->fte, __entry->fg, __entry->index,
204 		      __entry->group_index, __print_flags(__entry->action, "|",
205 							  ACTION_FLAGS),
206 		      __entry->flow_tag,
207 		      __parse_fs_hdrs(__entry->mask_enable,
208 				      __entry->mask_outer,
209 				      __entry->mask_misc,
210 				      __entry->mask_inner,
211 				      __entry->value_outer,
212 				      __entry->value_misc,
213 				      __entry->value_inner))
214 	    );
215 
216 TRACE_EVENT(mlx5_fs_del_fte,
217 	    TP_PROTO(const struct fs_fte *fte),
218 	    TP_ARGS(fte),
219 	    TP_STRUCT__entry(
220 		__field(const struct fs_fte *, fte)
221 		__field(u32, index)
222 	    ),
223 	    TP_fast_assign(
224 			   __entry->fte = fte;
225 			   __entry->index = fte->index;
226 
227 	    ),
228 	    TP_printk("fte=%p index=%u\n",
229 		      __entry->fte, __entry->index)
230 	    );
231 
232 TRACE_EVENT(mlx5_fs_add_rule,
233 	    TP_PROTO(const struct mlx5_flow_rule *rule),
234 	    TP_ARGS(rule),
235 	    TP_STRUCT__entry(
236 		__field(const struct mlx5_flow_rule *, rule)
237 		__field(const struct fs_fte *, fte)
238 		__field(u32, sw_action)
239 		__field(u32, index)
240 		__field(u32, counter_id)
241 		__array(u8, destination, sizeof(struct mlx5_flow_destination))
242 	    ),
243 	    TP_fast_assign(
244 			   __entry->rule = rule;
245 			   fs_get_obj(__entry->fte, rule->node.parent);
246 			   __entry->index = __entry->fte->dests_size - 1;
247 			   __entry->sw_action = rule->sw_action;
248 			   memcpy(__entry->destination,
249 				  &rule->dest_attr,
250 				  sizeof(__entry->destination));
251 			   if (rule->dest_attr.type & MLX5_FLOW_DESTINATION_TYPE_COUNTER &&
252 			       rule->dest_attr.counter)
253 				__entry->counter_id =
254 				rule->dest_attr.counter->id;
255 	    ),
256 	    TP_printk("rule=%p fte=%p index=%u sw_action=<%s> [dst] %s\n",
257 		      __entry->rule, __entry->fte, __entry->index,
258 		      __print_flags(__entry->sw_action, "|", ACTION_FLAGS),
259 		      __parse_fs_dst(__entry->destination, __entry->counter_id))
260 	    );
261 
262 TRACE_EVENT(mlx5_fs_del_rule,
263 	    TP_PROTO(const struct mlx5_flow_rule *rule),
264 	    TP_ARGS(rule),
265 	    TP_STRUCT__entry(
266 		__field(const struct mlx5_flow_rule *, rule)
267 		__field(const struct fs_fte *, fte)
268 	    ),
269 	    TP_fast_assign(
270 			   __entry->rule = rule;
271 			   fs_get_obj(__entry->fte, rule->node.parent);
272 	    ),
273 	    TP_printk("rule=%p fte=%p\n",
274 		      __entry->rule, __entry->fte)
275 	    );
276 #endif
277 
278 #undef TRACE_INCLUDE_PATH
279 #define TRACE_INCLUDE_PATH ./diag
280 #undef TRACE_INCLUDE_FILE
281 #define TRACE_INCLUDE_FILE fs_tracepoint
282 #include <trace/define_trace.h>
283