Commit e7d47989 authored by Toshiaki Makita's avatar Toshiaki Makita Committed by Daniel Borkmann
Browse files

xdp: Add tracepoint for bulk XDP_TX 



This is introduced for admins to check what is happening on XDP_TX when
bulk XDP_TX is in use, which will be first introduced in veth in next
commit.

v3:
- Add act field to be in line with other XDP tracepoints.

Signed-off-by: default avatarToshiaki Makita <toshiaki.makita1@gmail.com>
Acked-by: default avatarJesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent 88091ff5

include/trace/events/xdp.h

+29 −0
Original line number Diff line number Diff line
@@ -50,6 +50,35 @@ TRACE_EVENT(xdp_exception, 
		  __entry->ifindex)

);



TRACE_EVENT(xdp_bulk_tx,



	TP_PROTO(const struct net_device *dev,

		 int sent, int drops, int err),



	TP_ARGS(dev, sent, drops, err),



	TP_STRUCT__entry(

		__field(int, ifindex)

		__field(u32, act)

		__field(int, drops)

		__field(int, sent)

		__field(int, err)

	),



	TP_fast_assign(

		__entry->ifindex	= dev->ifindex;

		__entry->act		= XDP_TX;

		__entry->drops		= drops;

		__entry->sent		= sent;

		__entry->err		= err;

	),



	TP_printk("ifindex=%d action=%s sent=%d drops=%d err=%d",

		  __entry->ifindex,

		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),

		  __entry->sent, __entry->drops, __entry->err)

);



DECLARE_EVENT_CLASS(xdp_redirect_template,



	TP_PROTO(const struct net_device *dev,

kernel/bpf/core.c

+1 −0
Original line number Diff line number Diff line
@@ -2101,3 +2101,4 @@ EXPORT_SYMBOL(bpf_stats_enabled_key); 
#include <linux/bpf_trace.h>



EXPORT_TRACEPOINT_SYMBOL_GPL(xdp_exception);

EXPORT_TRACEPOINT_SYMBOL_GPL(xdp_bulk_tx);

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