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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h')
-rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h new file mode 100644 index 000000000..5fb5f14e0 --- /dev/null +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-trace.h @@ -0,0 +1,157 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ +/* Copyright 2014-2015 Freescale Semiconductor Inc. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM dpaa2_eth + +#if !defined(_DPAA2_ETH_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _DPAA2_ETH_TRACE_H + +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/tracepoint.h> + +#define TR_FMT "[%s] fd: addr=0x%llx, len=%u, off=%u" +/* trace_printk format for raw buffer event class */ +#define TR_BUF_FMT "[%s] vaddr=%p size=%zu dma_addr=%pad map_size=%zu bpid=%d" + +/* This is used to declare a class of events. + * individual events of this type will be defined below. + */ + +/* Store details about a frame descriptor */ +DECLARE_EVENT_CLASS(dpaa2_eth_fd, + /* Trace function prototype */ + TP_PROTO(struct net_device *netdev, + const struct dpaa2_fd *fd), + + /* Repeat argument list here */ + TP_ARGS(netdev, fd), + + /* A structure containing the relevant information we want + * to record. Declare name and type for each normal element, + * name, type and size for arrays. Use __string for variable + * length strings. + */ + TP_STRUCT__entry( + __field(u64, fd_addr) + __field(u32, fd_len) + __field(u16, fd_offset) + __string(name, netdev->name) + ), + + /* The function that assigns values to the above declared + * fields + */ + TP_fast_assign( + __entry->fd_addr = dpaa2_fd_get_addr(fd); + __entry->fd_len = dpaa2_fd_get_len(fd); + __entry->fd_offset = dpaa2_fd_get_offset(fd); + __assign_str(name, netdev->name); + ), + + /* This is what gets printed when the trace event is + * triggered. + */ + TP_printk(TR_FMT, + __get_str(name), + __entry->fd_addr, + __entry->fd_len, + __entry->fd_offset) +); + +/* Now declare events of the above type. Format is: + * DEFINE_EVENT(class, name, proto, args), with proto and args same as for class + */ + +/* Tx (egress) fd */ +DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_fd, + TP_PROTO(struct net_device *netdev, + const struct dpaa2_fd *fd), + + TP_ARGS(netdev, fd) +); + +/* Rx fd */ +DEFINE_EVENT(dpaa2_eth_fd, dpaa2_rx_fd, + TP_PROTO(struct net_device *netdev, + const struct dpaa2_fd *fd), + + TP_ARGS(netdev, fd) +); + +/* Tx confirmation fd */ +DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_conf_fd, + TP_PROTO(struct net_device *netdev, + const struct dpaa2_fd *fd), + + TP_ARGS(netdev, fd) +); + +/* Log data about raw buffers. Useful for tracing DPBP content. */ +TRACE_EVENT(dpaa2_eth_buf_seed, + /* Trace function prototype */ + TP_PROTO(struct net_device *netdev, + /* virtual address and size */ + void *vaddr, + size_t size, + /* dma map address and size */ + dma_addr_t dma_addr, + size_t map_size, + /* buffer pool id, if relevant */ + u16 bpid), + + /* Repeat argument list here */ + TP_ARGS(netdev, vaddr, size, dma_addr, map_size, bpid), + + /* A structure containing the relevant information we want + * to record. Declare name and type for each normal element, + * name, type and size for arrays. Use __string for variable + * length strings. + */ + TP_STRUCT__entry( + __field(void *, vaddr) + __field(size_t, size) + __field(dma_addr_t, dma_addr) + __field(size_t, map_size) + __field(u16, bpid) + __string(name, netdev->name) + ), + + /* The function that assigns values to the above declared + * fields + */ + TP_fast_assign( + __entry->vaddr = vaddr; + __entry->size = size; + __entry->dma_addr = dma_addr; + __entry->map_size = map_size; + __entry->bpid = bpid; + __assign_str(name, netdev->name); + ), + + /* This is what gets printed when the trace event is + * triggered. + */ + TP_printk(TR_BUF_FMT, + __get_str(name), + __entry->vaddr, + __entry->size, + &__entry->dma_addr, + __entry->map_size, + __entry->bpid) +); + +/* If only one event of a certain type needs to be declared, use TRACE_EVENT(). + * The syntax is the same as for DECLARE_EVENT_CLASS(). + */ + +#endif /* _DPAA2_ETH_TRACE_H */ + +/* This must be outside ifdef _DPAA2_ETH_TRACE_H */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE dpaa2-eth-trace +#include <trace/define_trace.h> |