swh:1:snp:77163734605b0ec556b01d897b7bb4a7e30d46b6
Tip revision: 03c765b0e3b4cb5063276b086c76f7a612856a9a authored by Linus Torvalds on 26 June 2022, 21:22:10 UTC
Linux 5.19-rc4
Linux 5.19-rc4
Tip revision: 03c765b
skb.h
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM skb
#if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SKB_H
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/tracepoint.h>
#define TRACE_SKB_DROP_REASON \
EM(SKB_DROP_REASON_NOT_SPECIFIED, NOT_SPECIFIED) \
EM(SKB_DROP_REASON_NO_SOCKET, NO_SOCKET) \
EM(SKB_DROP_REASON_PKT_TOO_SMALL, PKT_TOO_SMALL) \
EM(SKB_DROP_REASON_TCP_CSUM, TCP_CSUM) \
EM(SKB_DROP_REASON_SOCKET_FILTER, SOCKET_FILTER) \
EM(SKB_DROP_REASON_UDP_CSUM, UDP_CSUM) \
EM(SKB_DROP_REASON_NETFILTER_DROP, NETFILTER_DROP) \
EM(SKB_DROP_REASON_OTHERHOST, OTHERHOST) \
EM(SKB_DROP_REASON_IP_CSUM, IP_CSUM) \
EM(SKB_DROP_REASON_IP_INHDR, IP_INHDR) \
EM(SKB_DROP_REASON_IP_RPFILTER, IP_RPFILTER) \
EM(SKB_DROP_REASON_UNICAST_IN_L2_MULTICAST, \
UNICAST_IN_L2_MULTICAST) \
EM(SKB_DROP_REASON_XFRM_POLICY, XFRM_POLICY) \
EM(SKB_DROP_REASON_IP_NOPROTO, IP_NOPROTO) \
EM(SKB_DROP_REASON_SOCKET_RCVBUFF, SOCKET_RCVBUFF) \
EM(SKB_DROP_REASON_PROTO_MEM, PROTO_MEM) \
EM(SKB_DROP_REASON_TCP_MD5NOTFOUND, TCP_MD5NOTFOUND) \
EM(SKB_DROP_REASON_TCP_MD5UNEXPECTED, \
TCP_MD5UNEXPECTED) \
EM(SKB_DROP_REASON_TCP_MD5FAILURE, TCP_MD5FAILURE) \
EM(SKB_DROP_REASON_SOCKET_BACKLOG, SOCKET_BACKLOG) \
EM(SKB_DROP_REASON_TCP_FLAGS, TCP_FLAGS) \
EM(SKB_DROP_REASON_TCP_ZEROWINDOW, TCP_ZEROWINDOW) \
EM(SKB_DROP_REASON_TCP_OLD_DATA, TCP_OLD_DATA) \
EM(SKB_DROP_REASON_TCP_OVERWINDOW, TCP_OVERWINDOW) \
EM(SKB_DROP_REASON_TCP_OFOMERGE, TCP_OFOMERGE) \
EM(SKB_DROP_REASON_TCP_OFO_DROP, TCP_OFO_DROP) \
EM(SKB_DROP_REASON_TCP_RFC7323_PAWS, TCP_RFC7323_PAWS) \
EM(SKB_DROP_REASON_TCP_INVALID_SEQUENCE, \
TCP_INVALID_SEQUENCE) \
EM(SKB_DROP_REASON_TCP_RESET, TCP_RESET) \
EM(SKB_DROP_REASON_TCP_INVALID_SYN, TCP_INVALID_SYN) \
EM(SKB_DROP_REASON_TCP_CLOSE, TCP_CLOSE) \
EM(SKB_DROP_REASON_TCP_FASTOPEN, TCP_FASTOPEN) \
EM(SKB_DROP_REASON_TCP_OLD_ACK, TCP_OLD_ACK) \
EM(SKB_DROP_REASON_TCP_TOO_OLD_ACK, TCP_TOO_OLD_ACK) \
EM(SKB_DROP_REASON_TCP_ACK_UNSENT_DATA, \
TCP_ACK_UNSENT_DATA) \
EM(SKB_DROP_REASON_TCP_OFO_QUEUE_PRUNE, \
TCP_OFO_QUEUE_PRUNE) \
EM(SKB_DROP_REASON_IP_OUTNOROUTES, IP_OUTNOROUTES) \
EM(SKB_DROP_REASON_BPF_CGROUP_EGRESS, \
BPF_CGROUP_EGRESS) \
EM(SKB_DROP_REASON_IPV6DISABLED, IPV6DISABLED) \
EM(SKB_DROP_REASON_NEIGH_CREATEFAIL, NEIGH_CREATEFAIL) \
EM(SKB_DROP_REASON_NEIGH_FAILED, NEIGH_FAILED) \
EM(SKB_DROP_REASON_NEIGH_QUEUEFULL, NEIGH_QUEUEFULL) \
EM(SKB_DROP_REASON_NEIGH_DEAD, NEIGH_DEAD) \
EM(SKB_DROP_REASON_TC_EGRESS, TC_EGRESS) \
EM(SKB_DROP_REASON_QDISC_DROP, QDISC_DROP) \
EM(SKB_DROP_REASON_CPU_BACKLOG, CPU_BACKLOG) \
EM(SKB_DROP_REASON_XDP, XDP) \
EM(SKB_DROP_REASON_TC_INGRESS, TC_INGRESS) \
EM(SKB_DROP_REASON_UNHANDLED_PROTO, UNHANDLED_PROTO) \
EM(SKB_DROP_REASON_SKB_CSUM, SKB_CSUM) \
EM(SKB_DROP_REASON_SKB_GSO_SEG, SKB_GSO_SEG) \
EM(SKB_DROP_REASON_SKB_UCOPY_FAULT, SKB_UCOPY_FAULT) \
EM(SKB_DROP_REASON_DEV_HDR, DEV_HDR) \
EM(SKB_DROP_REASON_DEV_READY, DEV_READY) \
EM(SKB_DROP_REASON_FULL_RING, FULL_RING) \
EM(SKB_DROP_REASON_NOMEM, NOMEM) \
EM(SKB_DROP_REASON_HDR_TRUNC, HDR_TRUNC) \
EM(SKB_DROP_REASON_TAP_FILTER, TAP_FILTER) \
EM(SKB_DROP_REASON_TAP_TXFILTER, TAP_TXFILTER) \
EM(SKB_DROP_REASON_ICMP_CSUM, ICMP_CSUM) \
EM(SKB_DROP_REASON_INVALID_PROTO, INVALID_PROTO) \
EM(SKB_DROP_REASON_IP_INADDRERRORS, IP_INADDRERRORS) \
EM(SKB_DROP_REASON_IP_INNOROUTES, IP_INNOROUTES) \
EM(SKB_DROP_REASON_PKT_TOO_BIG, PKT_TOO_BIG) \
EMe(SKB_DROP_REASON_MAX, MAX)
#undef EM
#undef EMe
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define EMe(a, b) TRACE_DEFINE_ENUM(a);
TRACE_SKB_DROP_REASON
#undef EM
#undef EMe
#define EM(a, b) { a, #b },
#define EMe(a, b) { a, #b }
/*
* Tracepoint for free an sk_buff:
*/
TRACE_EVENT(kfree_skb,
TP_PROTO(struct sk_buff *skb, void *location,
enum skb_drop_reason reason),
TP_ARGS(skb, location, reason),
TP_STRUCT__entry(
__field(void *, skbaddr)
__field(void *, location)
__field(unsigned short, protocol)
__field(enum skb_drop_reason, reason)
),
TP_fast_assign(
__entry->skbaddr = skb;
__entry->location = location;
__entry->protocol = ntohs(skb->protocol);
__entry->reason = reason;
),
TP_printk("skbaddr=%p protocol=%u location=%p reason: %s",
__entry->skbaddr, __entry->protocol, __entry->location,
__print_symbolic(__entry->reason,
TRACE_SKB_DROP_REASON))
);
TRACE_EVENT(consume_skb,
TP_PROTO(struct sk_buff *skb),
TP_ARGS(skb),
TP_STRUCT__entry(
__field( void *, skbaddr )
),
TP_fast_assign(
__entry->skbaddr = skb;
),
TP_printk("skbaddr=%p", __entry->skbaddr)
);
TRACE_EVENT(skb_copy_datagram_iovec,
TP_PROTO(const struct sk_buff *skb, int len),
TP_ARGS(skb, len),
TP_STRUCT__entry(
__field( const void *, skbaddr )
__field( int, len )
),
TP_fast_assign(
__entry->skbaddr = skb;
__entry->len = len;
),
TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
);
#endif /* _TRACE_SKB_H */
/* This part must be outside protection */
#include <trace/define_trace.h>