1/* SPDX-License-Identifier: GPL-2.0 */ 2#undef TRACE_SYSTEM 3#define TRACE_SYSTEM skb 4 5#if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ) 6#define _TRACE_SKB_H 7 8#include <linux/skbuff.h> 9#include <linux/netdevice.h> 10#include <linux/tracepoint.h> 11 12#undef FN 13#define FN(reason) TRACE_DEFINE_ENUM(SKB_DROP_REASON_##reason); 14DEFINE_DROP_REASON(FN, FN) 15 16#undef FN 17#undef FNe 18#define FN(reason) { SKB_DROP_REASON_##reason, #reason }, 19#define FNe(reason) { SKB_DROP_REASON_##reason, #reason } 20 21/* 22 * Tracepoint for free an sk_buff: 23 */ 24TRACE_EVENT(kfree_skb, 25 26 TP_PROTO(struct sk_buff *skb, void *location, 27 enum skb_drop_reason reason), 28 29 TP_ARGS(skb, location, reason), 30 31 TP_STRUCT__entry( 32 __field(void *, skbaddr) 33 __field(void *, location) 34 __field(unsigned short, protocol) 35 __field(enum skb_drop_reason, reason) 36 ), 37 38 TP_fast_assign( 39 __entry->skbaddr = skb; 40 __entry->location = location; 41 __entry->protocol = ntohs(skb->protocol); 42 __entry->reason = reason; 43 ), 44 45 TP_printk("skbaddr=%p protocol=%u location=%pS reason: %s", 46 __entry->skbaddr, __entry->protocol, __entry->location, 47 __print_symbolic(__entry->reason, 48 DEFINE_DROP_REASON(FN, FNe))) 49); 50 51#undef FN 52#undef FNe 53 54TRACE_EVENT(consume_skb, 55 56 TP_PROTO(struct sk_buff *skb, void *location), 57 58 TP_ARGS(skb, location), 59 60 TP_STRUCT__entry( 61 __field( void *, skbaddr) 62 __field( void *, location) 63 ), 64 65 TP_fast_assign( 66 __entry->skbaddr = skb; 67 __entry->location = location; 68 ), 69 70 TP_printk("skbaddr=%p location=%pS", __entry->skbaddr, __entry->location) 71); 72 73TRACE_EVENT(skb_copy_datagram_iovec, 74 75 TP_PROTO(const struct sk_buff *skb, int len), 76 77 TP_ARGS(skb, len), 78 79 TP_STRUCT__entry( 80 __field( const void *, skbaddr ) 81 __field( int, len ) 82 ), 83 84 TP_fast_assign( 85 __entry->skbaddr = skb; 86 __entry->len = len; 87 ), 88 89 TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len) 90); 91 92#endif /* _TRACE_SKB_H */ 93 94/* This part must be outside protection */ 95#include <trace/define_trace.h> 96