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 #define TRACE_SKB_DROP_REASON \ 13 EM(SKB_DROP_REASON_NOT_SPECIFIED, NOT_SPECIFIED) \ 14 EM(SKB_DROP_REASON_NO_SOCKET, NO_SOCKET) \ 15 EM(SKB_DROP_REASON_PKT_TOO_SMALL, PKT_TOO_SMALL) \ 16 EM(SKB_DROP_REASON_TCP_CSUM, TCP_CSUM) \ 17 EM(SKB_DROP_REASON_SOCKET_FILTER, SOCKET_FILTER) \ 18 EM(SKB_DROP_REASON_UDP_CSUM, UDP_CSUM) \ 19 EM(SKB_DROP_REASON_NETFILTER_DROP, NETFILTER_DROP) \ 20 EM(SKB_DROP_REASON_OTHERHOST, OTHERHOST) \ 21 EM(SKB_DROP_REASON_IP_CSUM, IP_CSUM) \ 22 EM(SKB_DROP_REASON_IP_INHDR, IP_INHDR) \ 23 EM(SKB_DROP_REASON_IP_RPFILTER, IP_RPFILTER) \ 24 EM(SKB_DROP_REASON_UNICAST_IN_L2_MULTICAST, \ 25 UNICAST_IN_L2_MULTICAST) \ 26 EM(SKB_DROP_REASON_XFRM_POLICY, XFRM_POLICY) \ 27 EM(SKB_DROP_REASON_IP_NOPROTO, IP_NOPROTO) \ 28 EM(SKB_DROP_REASON_SOCKET_RCVBUFF, SOCKET_RCVBUFF) \ 29 EM(SKB_DROP_REASON_PROTO_MEM, PROTO_MEM) \ 30 EM(SKB_DROP_REASON_TCP_MD5NOTFOUND, TCP_MD5NOTFOUND) \ 31 EM(SKB_DROP_REASON_TCP_MD5UNEXPECTED, \ 32 TCP_MD5UNEXPECTED) \ 33 EM(SKB_DROP_REASON_TCP_MD5FAILURE, TCP_MD5FAILURE) \ 34 EM(SKB_DROP_REASON_SOCKET_BACKLOG, SOCKET_BACKLOG) \ 35 EM(SKB_DROP_REASON_TCP_FLAGS, TCP_FLAGS) \ 36 EM(SKB_DROP_REASON_TCP_ZEROWINDOW, TCP_ZEROWINDOW) \ 37 EM(SKB_DROP_REASON_TCP_OLD_DATA, TCP_OLD_DATA) \ 38 EM(SKB_DROP_REASON_TCP_OVERWINDOW, TCP_OVERWINDOW) \ 39 EM(SKB_DROP_REASON_TCP_OFOMERGE, TCP_OFOMERGE) \ 40 EM(SKB_DROP_REASON_TCP_OFO_DROP, TCP_OFO_DROP) \ 41 EM(SKB_DROP_REASON_TCP_RFC7323_PAWS, TCP_RFC7323_PAWS) \ 42 EM(SKB_DROP_REASON_TCP_INVALID_SEQUENCE, \ 43 TCP_INVALID_SEQUENCE) \ 44 EM(SKB_DROP_REASON_TCP_RESET, TCP_RESET) \ 45 EM(SKB_DROP_REASON_TCP_INVALID_SYN, TCP_INVALID_SYN) \ 46 EM(SKB_DROP_REASON_TCP_CLOSE, TCP_CLOSE) \ 47 EM(SKB_DROP_REASON_TCP_FASTOPEN, TCP_FASTOPEN) \ 48 EM(SKB_DROP_REASON_TCP_OLD_ACK, TCP_OLD_ACK) \ 49 EM(SKB_DROP_REASON_TCP_TOO_OLD_ACK, TCP_TOO_OLD_ACK) \ 50 EM(SKB_DROP_REASON_TCP_ACK_UNSENT_DATA, \ 51 TCP_ACK_UNSENT_DATA) \ 52 EM(SKB_DROP_REASON_TCP_OFO_QUEUE_PRUNE, \ 53 TCP_OFO_QUEUE_PRUNE) \ 54 EM(SKB_DROP_REASON_IP_OUTNOROUTES, IP_OUTNOROUTES) \ 55 EM(SKB_DROP_REASON_BPF_CGROUP_EGRESS, \ 56 BPF_CGROUP_EGRESS) \ 57 EM(SKB_DROP_REASON_IPV6DISABLED, IPV6DISABLED) \ 58 EM(SKB_DROP_REASON_NEIGH_CREATEFAIL, NEIGH_CREATEFAIL) \ 59 EM(SKB_DROP_REASON_NEIGH_FAILED, NEIGH_FAILED) \ 60 EM(SKB_DROP_REASON_NEIGH_QUEUEFULL, NEIGH_QUEUEFULL) \ 61 EM(SKB_DROP_REASON_NEIGH_DEAD, NEIGH_DEAD) \ 62 EM(SKB_DROP_REASON_TC_EGRESS, TC_EGRESS) \ 63 EM(SKB_DROP_REASON_QDISC_DROP, QDISC_DROP) \ 64 EM(SKB_DROP_REASON_CPU_BACKLOG, CPU_BACKLOG) \ 65 EM(SKB_DROP_REASON_XDP, XDP) \ 66 EM(SKB_DROP_REASON_TC_INGRESS, TC_INGRESS) \ 67 EM(SKB_DROP_REASON_UNHANDLED_PROTO, UNHANDLED_PROTO) \ 68 EM(SKB_DROP_REASON_SKB_CSUM, SKB_CSUM) \ 69 EM(SKB_DROP_REASON_SKB_GSO_SEG, SKB_GSO_SEG) \ 70 EM(SKB_DROP_REASON_SKB_UCOPY_FAULT, SKB_UCOPY_FAULT) \ 71 EM(SKB_DROP_REASON_DEV_HDR, DEV_HDR) \ 72 EM(SKB_DROP_REASON_DEV_READY, DEV_READY) \ 73 EM(SKB_DROP_REASON_FULL_RING, FULL_RING) \ 74 EM(SKB_DROP_REASON_NOMEM, NOMEM) \ 75 EM(SKB_DROP_REASON_HDR_TRUNC, HDR_TRUNC) \ 76 EM(SKB_DROP_REASON_TAP_FILTER, TAP_FILTER) \ 77 EM(SKB_DROP_REASON_TAP_TXFILTER, TAP_TXFILTER) \ 78 EM(SKB_DROP_REASON_ICMP_CSUM, ICMP_CSUM) \ 79 EM(SKB_DROP_REASON_INVALID_PROTO, INVALID_PROTO) \ 80 EM(SKB_DROP_REASON_IP_INADDRERRORS, IP_INADDRERRORS) \ 81 EM(SKB_DROP_REASON_IP_INNOROUTES, IP_INNOROUTES) \ 82 EM(SKB_DROP_REASON_PKT_TOO_BIG, PKT_TOO_BIG) \ 83 EMe(SKB_DROP_REASON_MAX, MAX) 84 85 #undef EM 86 #undef EMe 87 88 #define EM(a, b) TRACE_DEFINE_ENUM(a); 89 #define EMe(a, b) TRACE_DEFINE_ENUM(a); 90 91 TRACE_SKB_DROP_REASON 92 93 #undef EM 94 #undef EMe 95 #define EM(a, b) { a, #b }, 96 #define EMe(a, b) { a, #b } 97 98 /* 99 * Tracepoint for free an sk_buff: 100 */ 101 TRACE_EVENT(kfree_skb, 102 103 TP_PROTO(struct sk_buff *skb, void *location, 104 enum skb_drop_reason reason), 105 106 TP_ARGS(skb, location, reason), 107 108 TP_STRUCT__entry( 109 __field(void *, skbaddr) 110 __field(void *, location) 111 __field(unsigned short, protocol) 112 __field(enum skb_drop_reason, reason) 113 ), 114 115 TP_fast_assign( 116 __entry->skbaddr = skb; 117 __entry->location = location; 118 __entry->protocol = ntohs(skb->protocol); 119 __entry->reason = reason; 120 ), 121 122 TP_printk("skbaddr=%p protocol=%u location=%p reason: %s", 123 __entry->skbaddr, __entry->protocol, __entry->location, 124 __print_symbolic(__entry->reason, 125 TRACE_SKB_DROP_REASON)) 126 ); 127 128 TRACE_EVENT(consume_skb, 129 130 TP_PROTO(struct sk_buff *skb), 131 132 TP_ARGS(skb), 133 134 TP_STRUCT__entry( 135 __field( void *, skbaddr ) 136 ), 137 138 TP_fast_assign( 139 __entry->skbaddr = skb; 140 ), 141 142 TP_printk("skbaddr=%p", __entry->skbaddr) 143 ); 144 145 TRACE_EVENT(skb_copy_datagram_iovec, 146 147 TP_PROTO(const struct sk_buff *skb, int len), 148 149 TP_ARGS(skb, len), 150 151 TP_STRUCT__entry( 152 __field( const void *, skbaddr ) 153 __field( int, len ) 154 ), 155 156 TP_fast_assign( 157 __entry->skbaddr = skb; 158 __entry->len = len; 159 ), 160 161 TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len) 162 ); 163 164 #endif /* _TRACE_SKB_H */ 165 166 /* This part must be outside protection */ 167 #include <trace/define_trace.h> 168