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1/* SPDX-License-Identifier: GPL-2.0 */2#undef TRACE_SYSTEM3#define TRACE_SYSTEM skb4 5#if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)6#define _TRACE_SKB_H7 8#include <linux/skbuff.h>9#include <linux/netdevice.h>10#include <linux/tracepoint.h>11 12#undef FN13#define FN(reason) TRACE_DEFINE_ENUM(SKB_DROP_REASON_##reason);14DEFINE_DROP_REASON(FN, FN)15 16#undef FN17#undef FNe18#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, struct sock *rx_sk),28 29 TP_ARGS(skb, location, reason, rx_sk),30 31 TP_STRUCT__entry(32 __field(void *, skbaddr)33 __field(void *, location)34 __field(void *, rx_sk)35 __field(unsigned short, protocol)36 __field(enum skb_drop_reason, reason)37 ),38 39 TP_fast_assign(40 __entry->skbaddr = skb;41 __entry->location = location;42 __entry->rx_sk = rx_sk;43 __entry->protocol = ntohs(skb->protocol);44 __entry->reason = reason;45 ),46 47 TP_printk("skbaddr=%p rx_sk=%p protocol=%u location=%pS reason: %s",48 __entry->skbaddr, __entry->rx_sk, __entry->protocol,49 __entry->location,50 __print_symbolic(__entry->reason,51 DEFINE_DROP_REASON(FN, FNe)))52);53 54#undef FN55#undef FNe56 57TRACE_EVENT(consume_skb,58 59 TP_PROTO(struct sk_buff *skb, void *location),60 61 TP_ARGS(skb, location),62 63 TP_STRUCT__entry(64 __field( void *, skbaddr)65 __field( void *, location)66 ),67 68 TP_fast_assign(69 __entry->skbaddr = skb;70 __entry->location = location;71 ),72 73 TP_printk("skbaddr=%p location=%pS", __entry->skbaddr, __entry->location)74);75 76TRACE_EVENT(skb_copy_datagram_iovec,77 78 TP_PROTO(const struct sk_buff *skb, int len),79 80 TP_ARGS(skb, len),81 82 TP_STRUCT__entry(83 __field( const void *, skbaddr )84 __field( int, len )85 ),86 87 TP_fast_assign(88 __entry->skbaddr = skb;89 __entry->len = len;90 ),91 92 TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)93);94 95#endif /* _TRACE_SKB_H */96 97/* This part must be outside protection */98#include <trace/define_trace.h>99