1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM xdp 4 5 #if !defined(_TRACE_XDP_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_XDP_H 7 8 #include <linux/netdevice.h> 9 #include <linux/filter.h> 10 #include <linux/tracepoint.h> 11 #include <linux/bpf.h> 12 13 #define __XDP_ACT_MAP(FN) \ 14 FN(ABORTED) \ 15 FN(DROP) \ 16 FN(PASS) \ 17 FN(TX) \ 18 FN(REDIRECT) 19 20 #define __XDP_ACT_TP_FN(x) \ 21 TRACE_DEFINE_ENUM(XDP_##x); 22 #define __XDP_ACT_SYM_FN(x) \ 23 { XDP_##x, #x }, 24 #define __XDP_ACT_SYM_TAB \ 25 __XDP_ACT_MAP(__XDP_ACT_SYM_FN) { -1, 0 } 26 __XDP_ACT_MAP(__XDP_ACT_TP_FN) 27 28 TRACE_EVENT(xdp_exception, 29 30 TP_PROTO(const struct net_device *dev, 31 const struct bpf_prog *xdp, u32 act), 32 33 TP_ARGS(dev, xdp, act), 34 35 TP_STRUCT__entry( 36 __field(int, prog_id) 37 __field(u32, act) 38 __field(int, ifindex) 39 ), 40 41 TP_fast_assign( 42 __entry->prog_id = xdp->aux->id; 43 __entry->act = act; 44 __entry->ifindex = dev->ifindex; 45 ), 46 47 TP_printk("prog_id=%d action=%s ifindex=%d", 48 __entry->prog_id, 49 __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB), 50 __entry->ifindex) 51 ); 52 53 DECLARE_EVENT_CLASS(xdp_redirect_template, 54 55 TP_PROTO(const struct net_device *dev, 56 const struct bpf_prog *xdp, 57 int to_ifindex, int err, 58 const struct bpf_map *map, u32 map_index), 59 60 TP_ARGS(dev, xdp, to_ifindex, err, map, map_index), 61 62 TP_STRUCT__entry( 63 __field(int, prog_id) 64 __field(u32, act) 65 __field(int, ifindex) 66 __field(int, err) 67 __field(int, to_ifindex) 68 __field(u32, map_id) 69 __field(int, map_index) 70 ), 71 72 TP_fast_assign( 73 __entry->prog_id = xdp->aux->id; 74 __entry->act = XDP_REDIRECT; 75 __entry->ifindex = dev->ifindex; 76 __entry->err = err; 77 __entry->to_ifindex = to_ifindex; 78 __entry->map_id = map ? map->id : 0; 79 __entry->map_index = map_index; 80 ), 81 82 TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d", 83 __entry->prog_id, 84 __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB), 85 __entry->ifindex, __entry->to_ifindex, 86 __entry->err) 87 ); 88 89 DEFINE_EVENT(xdp_redirect_template, xdp_redirect, 90 TP_PROTO(const struct net_device *dev, 91 const struct bpf_prog *xdp, 92 int to_ifindex, int err, 93 const struct bpf_map *map, u32 map_index), 94 TP_ARGS(dev, xdp, to_ifindex, err, map, map_index) 95 ); 96 97 DEFINE_EVENT(xdp_redirect_template, xdp_redirect_err, 98 TP_PROTO(const struct net_device *dev, 99 const struct bpf_prog *xdp, 100 int to_ifindex, int err, 101 const struct bpf_map *map, u32 map_index), 102 TP_ARGS(dev, xdp, to_ifindex, err, map, map_index) 103 ); 104 105 #define _trace_xdp_redirect(dev, xdp, to) \ 106 trace_xdp_redirect(dev, xdp, to, 0, NULL, 0); 107 108 #define _trace_xdp_redirect_err(dev, xdp, to, err) \ 109 trace_xdp_redirect_err(dev, xdp, to, err, NULL, 0); 110 111 DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map, 112 TP_PROTO(const struct net_device *dev, 113 const struct bpf_prog *xdp, 114 int to_ifindex, int err, 115 const struct bpf_map *map, u32 map_index), 116 TP_ARGS(dev, xdp, to_ifindex, err, map, map_index), 117 TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d" 118 " map_id=%d map_index=%d", 119 __entry->prog_id, 120 __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB), 121 __entry->ifindex, __entry->to_ifindex, 122 __entry->err, 123 __entry->map_id, __entry->map_index) 124 ); 125 126 DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map_err, 127 TP_PROTO(const struct net_device *dev, 128 const struct bpf_prog *xdp, 129 int to_ifindex, int err, 130 const struct bpf_map *map, u32 map_index), 131 TP_ARGS(dev, xdp, to_ifindex, err, map, map_index), 132 TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d" 133 " map_id=%d map_index=%d", 134 __entry->prog_id, 135 __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB), 136 __entry->ifindex, __entry->to_ifindex, 137 __entry->err, 138 __entry->map_id, __entry->map_index) 139 ); 140 141 #define devmap_ifindex(fwd, map) \ 142 (!fwd ? 0 : \ 143 (!map ? 0 : \ 144 ((map->map_type == BPF_MAP_TYPE_DEVMAP) ? \ 145 ((struct net_device *)fwd)->ifindex : 0))) 146 147 #define _trace_xdp_redirect_map(dev, xdp, fwd, map, idx) \ 148 trace_xdp_redirect_map(dev, xdp, devmap_ifindex(fwd, map), \ 149 0, map, idx) 150 151 #define _trace_xdp_redirect_map_err(dev, xdp, fwd, map, idx, err) \ 152 trace_xdp_redirect_map_err(dev, xdp, devmap_ifindex(fwd, map), \ 153 err, map, idx) 154 155 TRACE_EVENT(xdp_cpumap_kthread, 156 157 TP_PROTO(int map_id, unsigned int processed, unsigned int drops, 158 int sched), 159 160 TP_ARGS(map_id, processed, drops, sched), 161 162 TP_STRUCT__entry( 163 __field(int, map_id) 164 __field(u32, act) 165 __field(int, cpu) 166 __field(unsigned int, drops) 167 __field(unsigned int, processed) 168 __field(int, sched) 169 ), 170 171 TP_fast_assign( 172 __entry->map_id = map_id; 173 __entry->act = XDP_REDIRECT; 174 __entry->cpu = smp_processor_id(); 175 __entry->drops = drops; 176 __entry->processed = processed; 177 __entry->sched = sched; 178 ), 179 180 TP_printk("kthread" 181 " cpu=%d map_id=%d action=%s" 182 " processed=%u drops=%u" 183 " sched=%d", 184 __entry->cpu, __entry->map_id, 185 __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB), 186 __entry->processed, __entry->drops, 187 __entry->sched) 188 ); 189 190 TRACE_EVENT(xdp_cpumap_enqueue, 191 192 TP_PROTO(int map_id, unsigned int processed, unsigned int drops, 193 int to_cpu), 194 195 TP_ARGS(map_id, processed, drops, to_cpu), 196 197 TP_STRUCT__entry( 198 __field(int, map_id) 199 __field(u32, act) 200 __field(int, cpu) 201 __field(unsigned int, drops) 202 __field(unsigned int, processed) 203 __field(int, to_cpu) 204 ), 205 206 TP_fast_assign( 207 __entry->map_id = map_id; 208 __entry->act = XDP_REDIRECT; 209 __entry->cpu = smp_processor_id(); 210 __entry->drops = drops; 211 __entry->processed = processed; 212 __entry->to_cpu = to_cpu; 213 ), 214 215 TP_printk("enqueue" 216 " cpu=%d map_id=%d action=%s" 217 " processed=%u drops=%u" 218 " to_cpu=%d", 219 __entry->cpu, __entry->map_id, 220 __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB), 221 __entry->processed, __entry->drops, 222 __entry->to_cpu) 223 ); 224 225 #endif /* _TRACE_XDP_H */ 226 227 #include <trace/define_trace.h> 228