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: Toshiaki Makita <[email protected]> --- include/trace/events/xdp.h | 29 +++++++++++++++++++++++++++++ kernel/bpf/core.c | 1 + 2 files changed, 30 insertions(+) diff --git a/include/trace/events/xdp.h b/include/trace/events/xdp.h index e95cb86..01389b9 100644 --- a/include/trace/events/xdp.h +++ b/include/trace/events/xdp.h @@ -50,6 +50,35 @@ __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, diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 33fb292..3a3f4af 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -2106,3 +2106,4 @@ int __weak skb_copy_bits(const struct sk_buff *skb, int offset, void *to, #include <linux/bpf_trace.h> EXPORT_TRACEPOINT_SYMBOL_GPL(xdp_exception); +EXPORT_TRACEPOINT_SYMBOL_GPL(xdp_bulk_tx); -- 1.8.3.1
