qosify-bpf.h

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2021 Felix Fietkau <nbd@nbd.name>
   4  */
   5 #ifndef __BPF_QOSIFY_H
   6 #define __BPF_QOSIFY_H
   7
   8 #define QOSIFY_MAX_CLASS_ENTRIES        16
   9 #define QOSIFY_DEFAULT_CLASS_ENTRIES    2
  10
  11 #ifndef QOSIFY_FLOW_BUCKET_SHIFT
  12 #define QOSIFY_FLOW_BUCKET_SHIFT        13
  13 #endif
  14
  15 #define QOSIFY_FLOW_BUCKETS             (1 << QOSIFY_FLOW_BUCKET_SHIFT)
  16
  17 /* rodata per-instance flags */
  18 #define QOSIFY_INGRESS                  (1 << 0)
  19 #define QOSIFY_IP_ONLY                  (1 << 1)
  20
  21 #define QOSIFY_DSCP_VALUE_MASK          ((1 << 6) - 1)
  22 #define QOSIFY_DSCP_FALLBACK_FLAG       (1 << 6)
  23 #define QOSIFY_DSCP_CLASS_FLAG          (1 << 7)
  24
  25 #define QOSIFY_CLASS_FLAG_PRESENT       (1 << 0)
  26
  27 struct qosify_dscp_val {
  28         uint8_t ingress;
  29         uint8_t egress;
  30 };
  31
  32 /* global config data */
  33
  34 struct qosify_flow_config {
  35         uint8_t dscp_prio;
  36         uint8_t dscp_bulk;
  37
  38         uint8_t bulk_trigger_timeout;
  39         uint16_t bulk_trigger_pps;
  40
  41         uint16_t prio_max_avg_pkt_len;
  42 };
  43
  44 struct qosify_config {
  45         uint8_t dscp_icmp;
  46 };
  47
  48 struct qosify_ip_map_val {
  49         uint8_t dscp; /* must be first */
  50         uint8_t seen;
  51 };
  52
  53 struct qosify_class {
  54         struct qosify_flow_config config;
  55
  56         struct qosify_dscp_val val;
  57
  58         uint8_t flags;
  59
  60         uint64_t packets;
  61 };
  62
  63 #endif