include/trace/events/skb.h

   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>