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148 lines
4.2 KiB
148 lines
4.2 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM skb |
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#if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define _TRACE_SKB_H |
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#include <linux/skbuff.h> |
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#include <linux/netdevice.h> |
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#include <linux/tracepoint.h> |
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#define TRACE_SKB_DROP_REASON \ |
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EM(SKB_DROP_REASON_NOT_SPECIFIED, NOT_SPECIFIED) \ |
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EM(SKB_DROP_REASON_NO_SOCKET, NO_SOCKET) \ |
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EM(SKB_DROP_REASON_PKT_TOO_SMALL, PKT_TOO_SMALL) \ |
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EM(SKB_DROP_REASON_TCP_CSUM, TCP_CSUM) \ |
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EM(SKB_DROP_REASON_SOCKET_FILTER, SOCKET_FILTER) \ |
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EM(SKB_DROP_REASON_UDP_CSUM, UDP_CSUM) \ |
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EM(SKB_DROP_REASON_NETFILTER_DROP, NETFILTER_DROP) \ |
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EM(SKB_DROP_REASON_OTHERHOST, OTHERHOST) \ |
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EM(SKB_DROP_REASON_IP_CSUM, IP_CSUM) \ |
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EM(SKB_DROP_REASON_IP_INHDR, IP_INHDR) \ |
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EM(SKB_DROP_REASON_IP_RPFILTER, IP_RPFILTER) \ |
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EM(SKB_DROP_REASON_UNICAST_IN_L2_MULTICAST, \ |
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UNICAST_IN_L2_MULTICAST) \ |
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EM(SKB_DROP_REASON_XFRM_POLICY, XFRM_POLICY) \ |
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EM(SKB_DROP_REASON_IP_NOPROTO, IP_NOPROTO) \ |
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EM(SKB_DROP_REASON_SOCKET_RCVBUFF, SOCKET_RCVBUFF) \ |
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EM(SKB_DROP_REASON_PROTO_MEM, PROTO_MEM) \ |
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EM(SKB_DROP_REASON_TCP_MD5NOTFOUND, TCP_MD5NOTFOUND) \ |
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EM(SKB_DROP_REASON_TCP_MD5UNEXPECTED, \ |
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TCP_MD5UNEXPECTED) \ |
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EM(SKB_DROP_REASON_TCP_MD5FAILURE, TCP_MD5FAILURE) \ |
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EM(SKB_DROP_REASON_SOCKET_BACKLOG, SOCKET_BACKLOG) \ |
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EM(SKB_DROP_REASON_TCP_FLAGS, TCP_FLAGS) \ |
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EM(SKB_DROP_REASON_TCP_ZEROWINDOW, TCP_ZEROWINDOW) \ |
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EM(SKB_DROP_REASON_TCP_OLD_DATA, TCP_OLD_DATA) \ |
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EM(SKB_DROP_REASON_TCP_OVERWINDOW, TCP_OVERWINDOW) \ |
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EM(SKB_DROP_REASON_TCP_OFOMERGE, TCP_OFOMERGE) \ |
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EM(SKB_DROP_REASON_IP_OUTNOROUTES, IP_OUTNOROUTES) \ |
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EM(SKB_DROP_REASON_BPF_CGROUP_EGRESS, \ |
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BPF_CGROUP_EGRESS) \ |
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EM(SKB_DROP_REASON_IPV6DISABLED, IPV6DISABLED) \ |
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EM(SKB_DROP_REASON_NEIGH_CREATEFAIL, NEIGH_CREATEFAIL) \ |
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EM(SKB_DROP_REASON_NEIGH_FAILED, NEIGH_FAILED) \ |
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EM(SKB_DROP_REASON_NEIGH_QUEUEFULL, NEIGH_QUEUEFULL) \ |
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EM(SKB_DROP_REASON_NEIGH_DEAD, NEIGH_DEAD) \ |
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EM(SKB_DROP_REASON_TC_EGRESS, TC_EGRESS) \ |
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EM(SKB_DROP_REASON_QDISC_DROP, QDISC_DROP) \ |
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EM(SKB_DROP_REASON_CPU_BACKLOG, CPU_BACKLOG) \ |
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EM(SKB_DROP_REASON_XDP, XDP) \ |
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EM(SKB_DROP_REASON_TC_INGRESS, TC_INGRESS) \ |
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EM(SKB_DROP_REASON_PTYPE_ABSENT, PTYPE_ABSENT) \ |
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EM(SKB_DROP_REASON_SKB_CSUM, SKB_CSUM) \ |
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EM(SKB_DROP_REASON_SKB_GSO_SEG, SKB_GSO_SEG) \ |
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EM(SKB_DROP_REASON_SKB_UCOPY_FAULT, SKB_UCOPY_FAULT) \ |
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EM(SKB_DROP_REASON_DEV_HDR, DEV_HDR) \ |
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EM(SKB_DROP_REASON_DEV_READY, DEV_READY) \ |
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EM(SKB_DROP_REASON_FULL_RING, FULL_RING) \ |
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EM(SKB_DROP_REASON_NOMEM, NOMEM) \ |
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EM(SKB_DROP_REASON_HDR_TRUNC, HDR_TRUNC) \ |
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EM(SKB_DROP_REASON_TAP_FILTER, TAP_FILTER) \ |
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EM(SKB_DROP_REASON_TAP_TXFILTER, TAP_TXFILTER) \ |
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EMe(SKB_DROP_REASON_MAX, MAX) |
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#undef EM |
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#undef EMe |
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#define EM(a, b) TRACE_DEFINE_ENUM(a); |
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#define EMe(a, b) TRACE_DEFINE_ENUM(a); |
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TRACE_SKB_DROP_REASON |
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#undef EM |
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#undef EMe |
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#define EM(a, b) { a, #b }, |
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#define EMe(a, b) { a, #b } |
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/* |
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* Tracepoint for free an sk_buff: |
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*/ |
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TRACE_EVENT(kfree_skb, |
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TP_PROTO(struct sk_buff *skb, void *location, |
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enum skb_drop_reason reason), |
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TP_ARGS(skb, location, reason), |
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TP_STRUCT__entry( |
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__field(void *, skbaddr) |
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__field(void *, location) |
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__field(unsigned short, protocol) |
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__field(enum skb_drop_reason, reason) |
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), |
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TP_fast_assign( |
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__entry->skbaddr = skb; |
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__entry->location = location; |
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__entry->protocol = ntohs(skb->protocol); |
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__entry->reason = reason; |
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), |
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TP_printk("skbaddr=%p protocol=%u location=%p reason: %s", |
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__entry->skbaddr, __entry->protocol, __entry->location, |
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__print_symbolic(__entry->reason, |
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TRACE_SKB_DROP_REASON)) |
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); |
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TRACE_EVENT(consume_skb, |
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TP_PROTO(struct sk_buff *skb), |
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TP_ARGS(skb), |
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TP_STRUCT__entry( |
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__field( void *, skbaddr ) |
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), |
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TP_fast_assign( |
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__entry->skbaddr = skb; |
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), |
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TP_printk("skbaddr=%p", __entry->skbaddr) |
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); |
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TRACE_EVENT(skb_copy_datagram_iovec, |
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TP_PROTO(const struct sk_buff *skb, int len), |
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TP_ARGS(skb, len), |
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TP_STRUCT__entry( |
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__field( const void *, skbaddr ) |
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__field( int, len ) |
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), |
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TP_fast_assign( |
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__entry->skbaddr = skb; |
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__entry->len = len; |
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), |
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TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len) |
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); |
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#endif /* _TRACE_SKB_H */ |
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/* This part must be outside protection */ |
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#include <trace/define_trace.h>
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