linux/net/tls/trace.h
Jakub Kicinski 9ec1c6ac27 net/tls: add device decrypted trace point
Add a tracepoint to the TLS offload's fast path. This tracepoint
can be used to track the decrypted and encrypted status of received
records. Records decrypted by the device should have decrypted set
to 1, records which have neither decrypted nor decrypted set are
partially decrypted, require re-encryption and therefore are most
expensive to deal with.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-05 16:29:00 -07:00

203 lines
4.0 KiB
C

/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/* Copyright (C) 2019 Netronome Systems, Inc. */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM tls
#if !defined(_TLS_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
#define _TLS_TRACE_H_
#include <asm/unaligned.h>
#include <linux/tracepoint.h>
struct sock;
TRACE_EVENT(tls_device_offload_set,
TP_PROTO(struct sock *sk, int dir, u32 tcp_seq, u8 *rec_no, int ret),
TP_ARGS(sk, dir, tcp_seq, rec_no, ret),
TP_STRUCT__entry(
__field( struct sock *, sk )
__field( u64, rec_no )
__field( int, dir )
__field( u32, tcp_seq )
__field( int, ret )
),
TP_fast_assign(
__entry->sk = sk;
__entry->rec_no = get_unaligned_be64(rec_no);
__entry->dir = dir;
__entry->tcp_seq = tcp_seq;
__entry->ret = ret;
),
TP_printk(
"sk=%p direction=%d tcp_seq=%u rec_no=%llu ret=%d",
__entry->sk, __entry->dir, __entry->tcp_seq, __entry->rec_no,
__entry->ret
)
);
TRACE_EVENT(tls_device_decrypted,
TP_PROTO(struct sock *sk, u32 tcp_seq, u8 *rec_no, u32 rec_len,
bool encrypted, bool decrypted),
TP_ARGS(sk, tcp_seq, rec_no, rec_len, encrypted, decrypted),
TP_STRUCT__entry(
__field( struct sock *, sk )
__field( u64, rec_no )
__field( u32, tcp_seq )
__field( u32, rec_len )
__field( bool, encrypted )
__field( bool, decrypted )
),
TP_fast_assign(
__entry->sk = sk;
__entry->rec_no = get_unaligned_be64(rec_no);
__entry->tcp_seq = tcp_seq;
__entry->rec_len = rec_len;
__entry->encrypted = encrypted;
__entry->decrypted = decrypted;
),
TP_printk(
"sk=%p tcp_seq=%u rec_no=%llu len=%u encrypted=%d decrypted=%d",
__entry->sk, __entry->tcp_seq,
__entry->rec_no, __entry->rec_len,
__entry->encrypted, __entry->decrypted
)
);
TRACE_EVENT(tls_device_rx_resync_send,
TP_PROTO(struct sock *sk, u32 tcp_seq, u8 *rec_no, int sync_type),
TP_ARGS(sk, tcp_seq, rec_no, sync_type),
TP_STRUCT__entry(
__field( struct sock *, sk )
__field( u64, rec_no )
__field( u32, tcp_seq )
__field( int, sync_type )
),
TP_fast_assign(
__entry->sk = sk;
__entry->rec_no = get_unaligned_be64(rec_no);
__entry->tcp_seq = tcp_seq;
__entry->sync_type = sync_type;
),
TP_printk(
"sk=%p tcp_seq=%u rec_no=%llu sync_type=%d",
__entry->sk, __entry->tcp_seq, __entry->rec_no,
__entry->sync_type
)
);
TRACE_EVENT(tls_device_rx_resync_nh_schedule,
TP_PROTO(struct sock *sk),
TP_ARGS(sk),
TP_STRUCT__entry(
__field( struct sock *, sk )
),
TP_fast_assign(
__entry->sk = sk;
),
TP_printk(
"sk=%p", __entry->sk
)
);
TRACE_EVENT(tls_device_rx_resync_nh_delay,
TP_PROTO(struct sock *sk, u32 sock_data, u32 rec_len),
TP_ARGS(sk, sock_data, rec_len),
TP_STRUCT__entry(
__field( struct sock *, sk )
__field( u32, sock_data )
__field( u32, rec_len )
),
TP_fast_assign(
__entry->sk = sk;
__entry->sock_data = sock_data;
__entry->rec_len = rec_len;
),
TP_printk(
"sk=%p sock_data=%u rec_len=%u",
__entry->sk, __entry->sock_data, __entry->rec_len
)
);
TRACE_EVENT(tls_device_tx_resync_req,
TP_PROTO(struct sock *sk, u32 tcp_seq, u32 exp_tcp_seq),
TP_ARGS(sk, tcp_seq, exp_tcp_seq),
TP_STRUCT__entry(
__field( struct sock *, sk )
__field( u32, tcp_seq )
__field( u32, exp_tcp_seq )
),
TP_fast_assign(
__entry->sk = sk;
__entry->tcp_seq = tcp_seq;
__entry->exp_tcp_seq = exp_tcp_seq;
),
TP_printk(
"sk=%p tcp_seq=%u exp_tcp_seq=%u",
__entry->sk, __entry->tcp_seq, __entry->exp_tcp_seq
)
);
TRACE_EVENT(tls_device_tx_resync_send,
TP_PROTO(struct sock *sk, u32 tcp_seq, u8 *rec_no),
TP_ARGS(sk, tcp_seq, rec_no),
TP_STRUCT__entry(
__field( struct sock *, sk )
__field( u64, rec_no )
__field( u32, tcp_seq )
),
TP_fast_assign(
__entry->sk = sk;
__entry->rec_no = get_unaligned_be64(rec_no);
__entry->tcp_seq = tcp_seq;
),
TP_printk(
"sk=%p tcp_seq=%u rec_no=%llu",
__entry->sk, __entry->tcp_seq, __entry->rec_no
)
);
#endif /* _TLS_TRACE_H_ */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace
#include <trace/define_trace.h>