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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb 
 kernel/include/uapi/linux/pkt_sched.h
....@@ -2,6 +2,7 @@
22 #ifndef __LINUX_PKT_SCHED_H
33 #define __LINUX_PKT_SCHED_H
44 
5
+#include <linux/const.h>
56 #include <linux/types.h>
67 
78 /* Logical priority bands not depending on specific packet scheduler.
....@@ -255,6 +256,9 @@
255256 	TCA_RED_PARMS,
256257 	TCA_RED_STAB,
257258 	TCA_RED_MAX_P,
259
+	TCA_RED_FLAGS,		/* bitfield32 */
260
+	TCA_RED_EARLY_DROP_BLOCK, /* u32 */
261
+	TCA_RED_MARK_BLOCK,	/* u32 */
258262 	__TCA_RED_MAX,
259263 };
260264 
....@@ -267,11 +271,27 @@
267271 	unsigned char   Wlog;		/* log(W)		*/
268272 	unsigned char   Plog;		/* log(P_max/(qth_max-qth_min))	*/
269273 	unsigned char   Scell_log;	/* cell size for idle damping */
274
+
275
+	/* This field can be used for flags that a RED-like qdisc has
276
+	 * historically supported. E.g. when configuring RED, it can be used for
277
+	 * ECN, HARDDROP and ADAPTATIVE. For SFQ it can be used for ECN,
278
+	 * HARDDROP. Etc. Because this field has not been validated, and is
279
+	 * copied back on dump, any bits besides those to which a given qdisc
280
+	 * has assigned a historical meaning need to be considered for free use
281
+	 * by userspace tools.
282
+	 *
283
+	 * Any further flags need to be passed differently, e.g. through an
284
+	 * attribute (such as TCA_RED_FLAGS above). Such attribute should allow
285
+	 * passing both recent and historic flags in one value.
286
+	 */
270287 	unsigned char	flags;
271288 #define TC_RED_ECN		1
272289 #define TC_RED_HARDDROP		2
273290 #define TC_RED_ADAPTATIVE	4
291
+#define TC_RED_NODROP		8
274292 };
293
+
294
+#define TC_RED_HISTORIC_FLAGS (TC_RED_ECN | TC_RED_HARDDROP | TC_RED_ADAPTATIVE)
275295 
276296 struct tc_red_xstats {
277297 	__u32           early;          /* Early drops */
....@@ -291,10 +311,37 @@
291311        TCA_GRED_DPS,
292312        TCA_GRED_MAX_P,
293313        TCA_GRED_LIMIT,
314
+       TCA_GRED_VQ_LIST,	/* nested TCA_GRED_VQ_ENTRY */
294315        __TCA_GRED_MAX,
295316 };
296317 
297318 #define TCA_GRED_MAX (__TCA_GRED_MAX - 1)
319
+
320
+enum {
321
+	TCA_GRED_VQ_ENTRY_UNSPEC,
322
+	TCA_GRED_VQ_ENTRY,	/* nested TCA_GRED_VQ_* */
323
+	__TCA_GRED_VQ_ENTRY_MAX,
324
+};
325
+#define TCA_GRED_VQ_ENTRY_MAX (__TCA_GRED_VQ_ENTRY_MAX - 1)
326
+
327
+enum {
328
+	TCA_GRED_VQ_UNSPEC,
329
+	TCA_GRED_VQ_PAD,
330
+	TCA_GRED_VQ_DP,			/* u32 */
331
+	TCA_GRED_VQ_STAT_BYTES,		/* u64 */
332
+	TCA_GRED_VQ_STAT_PACKETS,	/* u32 */
333
+	TCA_GRED_VQ_STAT_BACKLOG,	/* u32 */
334
+	TCA_GRED_VQ_STAT_PROB_DROP,	/* u32 */
335
+	TCA_GRED_VQ_STAT_PROB_MARK,	/* u32 */
336
+	TCA_GRED_VQ_STAT_FORCED_DROP,	/* u32 */
337
+	TCA_GRED_VQ_STAT_FORCED_MARK,	/* u32 */
338
+	TCA_GRED_VQ_STAT_PDROP,		/* u32 */
339
+	TCA_GRED_VQ_STAT_OTHER,		/* u32 */
340
+	TCA_GRED_VQ_FLAGS,		/* u32 */
341
+	__TCA_GRED_VQ_MAX
342
+};
343
+
344
+#define TCA_GRED_VQ_MAX (__TCA_GRED_VQ_MAX - 1)
298345 
299346 struct tc_gred_qopt {
300347 	__u32		limit;        /* HARD maximal queue length (bytes)    */
....@@ -395,9 +442,9 @@
395442 struct tc_htb_xstats {
396443 	__u32 lends;
397444 	__u32 borrows;
398
-	__u32 giants;	/* too big packets (rate will not be accurate) */
399
-	__u32 tokens;
400
-	__u32 ctokens;
445
+	__u32 giants;	/* unused since 'Make HTB scheduler work with TSO.' */
446
+	__s32 tokens;
447
+	__s32 ctokens;
401448 };
402449 
403450 /* HFSC section */
....@@ -866,6 +913,14 @@
866913 
867914 	TCA_FQ_LOW_RATE_THRESHOLD, /* per packet delay under this rate */
868915 
916
+	TCA_FQ_CE_THRESHOLD,	/* DCTCP-like CE-marking threshold */
917
+
918
+	TCA_FQ_TIMER_SLACK,	/* timer slack */
919
+
920
+	TCA_FQ_HORIZON,		/* time horizon in us */
921
+
922
+	TCA_FQ_HORIZON_DROP,	/* drop packets beyond horizon, or cap their EDT */
923
+
869924 	__TCA_FQ_MAX
870925 };
871926 
....@@ -884,6 +939,9 @@
884939 	__u32	inactive_flows;
885940 	__u32	throttled_flows;
886941 	__u32	unthrottle_latency_ns;
942
+	__u64	ce_mark;		/* packets above ce_threshold */
943
+	__u64	horizon_drops;
944
+	__u64	horizon_caps;
887945 };
888946 
889947 /* Heavy-Hitter Filter */
....@@ -921,19 +979,56 @@
921979 	TCA_PIE_BETA,
922980 	TCA_PIE_ECN,
923981 	TCA_PIE_BYTEMODE,
982
+	TCA_PIE_DQ_RATE_ESTIMATOR,
924983 	__TCA_PIE_MAX
925984 };
926985 #define TCA_PIE_MAX   (__TCA_PIE_MAX - 1)
927986 
928987 struct tc_pie_xstats {
929
-	__u32 prob;             /* current probability */
930
-	__u32 delay;            /* current delay in ms */
931
-	__u32 avg_dq_rate;      /* current average dq_rate in bits/pie_time */
932
-	__u32 packets_in;       /* total number of packets enqueued */
933
-	__u32 dropped;          /* packets dropped due to pie_action */
934
-	__u32 overlimit;        /* dropped due to lack of space in queue */
935
-	__u32 maxq;             /* maximum queue size */
936
-	__u32 ecn_mark;         /* packets marked with ecn*/
988
+	__u64 prob;			/* current probability */
989
+	__u32 delay;			/* current delay in ms */
990
+	__u32 avg_dq_rate;		/* current average dq_rate in
991
+					 * bits/pie_time
992
+					 */
993
+	__u32 dq_rate_estimating;	/* is avg_dq_rate being calculated? */
994
+	__u32 packets_in;		/* total number of packets enqueued */
995
+	__u32 dropped;			/* packets dropped due to pie_action */
996
+	__u32 overlimit;		/* dropped due to lack of space
997
+					 * in queue
998
+					 */
999
+	__u32 maxq;			/* maximum queue size */
1000
+	__u32 ecn_mark;			/* packets marked with ecn*/
1001
+};
1002
+
1003
+/* FQ PIE */
1004
+enum {
1005
+	TCA_FQ_PIE_UNSPEC,
1006
+	TCA_FQ_PIE_LIMIT,
1007
+	TCA_FQ_PIE_FLOWS,
1008
+	TCA_FQ_PIE_TARGET,
1009
+	TCA_FQ_PIE_TUPDATE,
1010
+	TCA_FQ_PIE_ALPHA,
1011
+	TCA_FQ_PIE_BETA,
1012
+	TCA_FQ_PIE_QUANTUM,
1013
+	TCA_FQ_PIE_MEMORY_LIMIT,
1014
+	TCA_FQ_PIE_ECN_PROB,
1015
+	TCA_FQ_PIE_ECN,
1016
+	TCA_FQ_PIE_BYTEMODE,
1017
+	TCA_FQ_PIE_DQ_RATE_ESTIMATOR,
1018
+	__TCA_FQ_PIE_MAX
1019
+};
1020
+#define TCA_FQ_PIE_MAX   (__TCA_FQ_PIE_MAX - 1)
1021
+
1022
+struct tc_fq_pie_xstats {
1023
+	__u32 packets_in;	/* total number of packets enqueued */
1024
+	__u32 dropped;		/* packets dropped due to fq_pie_action */
1025
+	__u32 overlimit;	/* dropped due to lack of space in queue */
1026
+	__u32 overmemory;	/* dropped due to lack of memory in queue */
1027
+	__u32 ecn_mark;		/* packets marked with ecn */
1028
+	__u32 new_flow_count;	/* count of new flows created by packets */
1029
+	__u32 new_flows_len;	/* count of flows in new list */
1030
+	__u32 old_flows_len;	/* count of flows in old list */
1031
+	__u32 memory_usage;	/* total memory across all queues */
9371032 };
9381033 
9391034 /* CBS */
....@@ -960,8 +1055,9 @@
9601055 	__s32 delta;
9611056 	__s32 clockid;
9621057 	__u32 flags;
963
-#define TC_ETF_DEADLINE_MODE_ON	BIT(0)
964
-#define TC_ETF_OFFLOAD_ON	BIT(1)
1058
+#define TC_ETF_DEADLINE_MODE_ON	_BITUL(0)
1059
+#define TC_ETF_OFFLOAD_ON	_BITUL(1)
1060
+#define TC_ETF_SKIP_SOCK_CHECK	_BITUL(2)
9651061 };
9661062 
9671063 enum {
....@@ -993,6 +1089,7 @@
9931089 	TCA_CAKE_INGRESS,
9941090 	TCA_CAKE_ACK_FILTER,
9951091 	TCA_CAKE_SPLIT_GSO,
1092
+	TCA_CAKE_FWMARK,
9961093 	__TCA_CAKE_MAX
9971094 };
9981095 #define TCA_CAKE_MAX	(__TCA_CAKE_MAX - 1)
....@@ -1086,4 +1183,85 @@
10861183 	CAKE_ATM_MAX
10871184 };
10881185 
1186
+
1187
+/* TAPRIO */
1188
+enum {
1189
+	TC_TAPRIO_CMD_SET_GATES = 0x00,
1190
+	TC_TAPRIO_CMD_SET_AND_HOLD = 0x01,
1191
+	TC_TAPRIO_CMD_SET_AND_RELEASE = 0x02,
1192
+};
1193
+
1194
+enum {
1195
+	TCA_TAPRIO_SCHED_ENTRY_UNSPEC,
1196
+	TCA_TAPRIO_SCHED_ENTRY_INDEX, /* u32 */
1197
+	TCA_TAPRIO_SCHED_ENTRY_CMD, /* u8 */
1198
+	TCA_TAPRIO_SCHED_ENTRY_GATE_MASK, /* u32 */
1199
+	TCA_TAPRIO_SCHED_ENTRY_INTERVAL, /* u32 */
1200
+	__TCA_TAPRIO_SCHED_ENTRY_MAX,
1201
+};
1202
+#define TCA_TAPRIO_SCHED_ENTRY_MAX (__TCA_TAPRIO_SCHED_ENTRY_MAX - 1)
1203
+
1204
+/* The format for schedule entry list is:
1205
+ * [TCA_TAPRIO_SCHED_ENTRY_LIST]
1206
+ *   [TCA_TAPRIO_SCHED_ENTRY]
1207
+ *     [TCA_TAPRIO_SCHED_ENTRY_CMD]
1208
+ *     [TCA_TAPRIO_SCHED_ENTRY_GATES]
1209
+ *     [TCA_TAPRIO_SCHED_ENTRY_INTERVAL]
1210
+ */
1211
+enum {
1212
+	TCA_TAPRIO_SCHED_UNSPEC,
1213
+	TCA_TAPRIO_SCHED_ENTRY,
1214
+	__TCA_TAPRIO_SCHED_MAX,
1215
+};
1216
+
1217
+#define TCA_TAPRIO_SCHED_MAX (__TCA_TAPRIO_SCHED_MAX - 1)
1218
+
1219
+/* The format for the admin sched (dump only):
1220
+ * [TCA_TAPRIO_SCHED_ADMIN_SCHED]
1221
+ *   [TCA_TAPRIO_ATTR_SCHED_BASE_TIME]
1222
+ *   [TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST]
1223
+ *     [TCA_TAPRIO_ATTR_SCHED_ENTRY]
1224
+ *       [TCA_TAPRIO_ATTR_SCHED_ENTRY_CMD]
1225
+ *       [TCA_TAPRIO_ATTR_SCHED_ENTRY_GATES]
1226
+ *       [TCA_TAPRIO_ATTR_SCHED_ENTRY_INTERVAL]
1227
+ */
1228
+
1229
+#define TCA_TAPRIO_ATTR_FLAG_TXTIME_ASSIST	_BITUL(0)
1230
+#define TCA_TAPRIO_ATTR_FLAG_FULL_OFFLOAD	_BITUL(1)
1231
+
1232
+enum {
1233
+	TCA_TAPRIO_ATTR_UNSPEC,
1234
+	TCA_TAPRIO_ATTR_PRIOMAP, /* struct tc_mqprio_qopt */
1235
+	TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST, /* nested of entry */
1236
+	TCA_TAPRIO_ATTR_SCHED_BASE_TIME, /* s64 */
1237
+	TCA_TAPRIO_ATTR_SCHED_SINGLE_ENTRY, /* single entry */
1238
+	TCA_TAPRIO_ATTR_SCHED_CLOCKID, /* s32 */
1239
+	TCA_TAPRIO_PAD,
1240
+	TCA_TAPRIO_ATTR_ADMIN_SCHED, /* The admin sched, only used in dump */
1241
+	TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME, /* s64 */
1242
+	TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME_EXTENSION, /* s64 */
1243
+	TCA_TAPRIO_ATTR_FLAGS, /* u32 */
1244
+	TCA_TAPRIO_ATTR_TXTIME_DELAY, /* u32 */
1245
+	__TCA_TAPRIO_ATTR_MAX,
1246
+};
1247
+
1248
+#define TCA_TAPRIO_ATTR_MAX (__TCA_TAPRIO_ATTR_MAX - 1)
1249
+
1250
+/* ETS */
1251
+
1252
+#define TCQ_ETS_MAX_BANDS 16
1253
+
1254
+enum {
1255
+	TCA_ETS_UNSPEC,
1256
+	TCA_ETS_NBANDS,		/* u8 */
1257
+	TCA_ETS_NSTRICT,	/* u8 */
1258
+	TCA_ETS_QUANTA,		/* nested TCA_ETS_QUANTA_BAND */
1259
+	TCA_ETS_QUANTA_BAND,	/* u32 */
1260
+	TCA_ETS_PRIOMAP,	/* nested TCA_ETS_PRIOMAP_BAND */
1261
+	TCA_ETS_PRIOMAP_BAND,	/* u8 */
1262
+	__TCA_ETS_MAX,
1263
+};
1264
+
1265
+#define TCA_ETS_MAX (__TCA_ETS_MAX - 1)
1266
+
10891267 #endif