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09cec08352
linux/net/tls/trace.h

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net/tls: add tracing for device/offload events Add tracing of device-related interaction to aid performance analysis, especially around resync: tls:tls_device_offload_set tls:tls_device_rx_resync_send tls:tls_device_rx_resync_nh_schedule tls:tls_device_rx_resync_nh_delay tls:tls_device_tx_resync_req tls:tls_device_tx_resync_send Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-05 02:19:22 +03:00
/* 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
)
);
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 02:19:23 +03:00
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
)
);
net/tls: add tracing for device/offload events Add tracing of device-related interaction to aid performance analysis, especially around resync: tls:tls_device_offload_set tls:tls_device_rx_resync_send tls:tls_device_rx_resync_nh_schedule tls:tls_device_rx_resync_nh_delay tls:tls_device_tx_resync_req tls:tls_device_tx_resync_send Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-05 02:19:22 +03:00
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>
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