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 /* 13 * Tracepoint for free an sk_buff: 14 */ 15 TRACE_EVENT(kfree_skb, 16 17 TP_PROTO(struct sk_buff *skb, void *location, 18 enum skb_drop_reason reason), 19 20 TP_ARGS(skb, location, reason), 21 22 TP_STRUCT__entry( 23 __field(void *, skbaddr) 24 __field(void *, location) 25 __field(unsigned short, protocol) 26 __field(enum skb_drop_reason, reason) 27 ), 28 29 TP_fast_assign( 30 __entry->skbaddr = skb; 31 __entry->location = location; 32 __entry->protocol = ntohs(skb->protocol); 33 __entry->reason = reason; 34 ), 35 36 TP_printk("skbaddr=%p protocol=%u location=%p reason: %s", 37 __entry->skbaddr, __entry->protocol, __entry->location, 38 drop_reasons[__entry->reason]) 39 ); 40 41 TRACE_EVENT(consume_skb, 42 43 TP_PROTO(struct sk_buff *skb), 44 45 TP_ARGS(skb), 46 47 TP_STRUCT__entry( 48 __field( void *, skbaddr ) 49 ), 50 51 TP_fast_assign( 52 __entry->skbaddr = skb; 53 ), 54 55 TP_printk("skbaddr=%p", __entry->skbaddr) 56 ); 57 58 TRACE_EVENT(skb_copy_datagram_iovec, 59 60 TP_PROTO(const struct sk_buff *skb, int len), 61 62 TP_ARGS(skb, len), 63 64 TP_STRUCT__entry( 65 __field( const void *, skbaddr ) 66 __field( int, len ) 67 ), 68 69 TP_fast_assign( 70 __entry->skbaddr = skb; 71 __entry->len = len; 72 ), 73 74 TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len) 75 ); 76 77 #endif /* _TRACE_SKB_H */ 78 79 /* This part must be outside protection */ 80 #include <trace/define_trace.h> 81