Daniel Borkmann | a67edbf | 2017-01-25 02:28:18 +0100 | [diff] [blame] | 1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM xdp |
| 3 | |
| 4 | #if !defined(_TRACE_XDP_H) || defined(TRACE_HEADER_MULTI_READ) |
| 5 | #define _TRACE_XDP_H |
| 6 | |
| 7 | #include <linux/netdevice.h> |
| 8 | #include <linux/filter.h> |
| 9 | #include <linux/tracepoint.h> |
| 10 | |
| 11 | #define __XDP_ACT_MAP(FN) \ |
| 12 | FN(ABORTED) \ |
| 13 | FN(DROP) \ |
| 14 | FN(PASS) \ |
| 15 | FN(TX) |
| 16 | |
| 17 | #define __XDP_ACT_TP_FN(x) \ |
| 18 | TRACE_DEFINE_ENUM(XDP_##x); |
| 19 | #define __XDP_ACT_SYM_FN(x) \ |
| 20 | { XDP_##x, #x }, |
| 21 | #define __XDP_ACT_SYM_TAB \ |
| 22 | __XDP_ACT_MAP(__XDP_ACT_SYM_FN) { -1, 0 } |
| 23 | __XDP_ACT_MAP(__XDP_ACT_TP_FN) |
| 24 | |
| 25 | TRACE_EVENT(xdp_exception, |
| 26 | |
| 27 | TP_PROTO(const struct net_device *dev, |
| 28 | const struct bpf_prog *xdp, u32 act), |
| 29 | |
| 30 | TP_ARGS(dev, xdp, act), |
| 31 | |
| 32 | TP_STRUCT__entry( |
| 33 | __string(name, dev->name) |
| 34 | __array(u8, prog_tag, 8) |
| 35 | __field(u32, act) |
| 36 | ), |
| 37 | |
| 38 | TP_fast_assign( |
| 39 | BUILD_BUG_ON(sizeof(__entry->prog_tag) != sizeof(xdp->tag)); |
| 40 | memcpy(__entry->prog_tag, xdp->tag, sizeof(xdp->tag)); |
| 41 | __assign_str(name, dev->name); |
| 42 | __entry->act = act; |
| 43 | ), |
| 44 | |
| 45 | TP_printk("prog=%s device=%s action=%s", |
| 46 | __print_hex_str(__entry->prog_tag, 8), |
| 47 | __get_str(name), |
| 48 | __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB)) |
| 49 | ); |
| 50 | |
| 51 | #endif /* _TRACE_XDP_H */ |
| 52 | |
| 53 | #include <trace/define_trace.h> |