1 /* SPDX-License-Identifier: GPL-2.0
2  *  Copyright(c) 2017-2018 Jesper Dangaard Brouer, Red Hat Inc.
11 	__type(key, u32);
20 	__type(key, u32);
26  * Code in:                kernel/include/trace/events/xdp.h
29 	u64 __pad;		// First 8 bytes are not accessible by bpf code
47 	u32 key = XDP_REDIRECT_ERROR;  in xdp_redirect_collect_stat()  local
48 	int err = ctx->err;  in xdp_redirect_collect_stat()
52 		key = XDP_REDIRECT_SUCCESS;  in xdp_redirect_collect_stat()
54 	cnt  = bpf_map_lookup_elem(&redirect_err_cnt, &key);  in xdp_redirect_collect_stat()
61 	 * Returning 1 here would allow e.g. a perf-record tracepoint  in xdp_redirect_collect_stat()
63 	 * in-practice as stopping perf-record also unload this  in xdp_redirect_collect_stat()
96  * Code in:                kernel/include/trace/events/xdp.h
99 	u64 __pad;	// First 8 bytes are not accessible by bpf code
109 	u32 key;  in trace_xdp_exception()  local
111 	key = ctx->act;  in trace_xdp_exception()
112 	if (key > XDP_REDIRECT)  in trace_xdp_exception()
113 		key = XDP_UNKNOWN;  in trace_xdp_exception()
115 	cnt = bpf_map_lookup_elem(&exception_cnt, &key);  in trace_xdp_exception()
134 	__type(key, u32);
141 	__type(key, u32);
147  * Code in:         kernel/include/trace/events/xdp.h
150 	u64 __pad;		// First 8 bytes are not accessible by bpf code
162 	u32 to_cpu = ctx->to_cpu;  in trace_xdp_cpumap_enqueue()
171 	rec->processed += ctx->processed;  in trace_xdp_cpumap_enqueue()
172 	rec->dropped   += ctx->drops;  in trace_xdp_cpumap_enqueue()
175 	if (ctx->processed > 0)  in trace_xdp_cpumap_enqueue()
176 		rec->info += 1;  in trace_xdp_cpumap_enqueue()
182  * Code in:         kernel/include/trace/events/xdp.h
185 	u64 __pad;		// First 8 bytes are not accessible by bpf code
198 	u32 key = 0;  in trace_xdp_cpumap_kthread()  local
200 	rec = bpf_map_lookup_elem(&cpumap_kthread_cnt, &key);  in trace_xdp_cpumap_kthread()
203 	rec->processed += ctx->processed;  in trace_xdp_cpumap_kthread()
204 	rec->dropped   += ctx->drops;  in trace_xdp_cpumap_kthread()
207 	if (ctx->sched)  in trace_xdp_cpumap_kthread()
208 		rec->info++;  in trace_xdp_cpumap_kthread()
215 	__type(key, u32);
221  * Code in:         kernel/include/trace/events/xdp.h
224 	u64 __pad;		// First 8 bytes are not accessible by bpf code
237 	u32 key = 0;  in trace_xdp_devmap_xmit()  local
239 	rec = bpf_map_lookup_elem(&devmap_xmit_cnt, &key);  in trace_xdp_devmap_xmit()
242 	rec->processed += ctx->sent;  in trace_xdp_devmap_xmit()
243 	rec->dropped   += ctx->drops;  in trace_xdp_devmap_xmit()
246 	rec->info += 1;  in trace_xdp_devmap_xmit()
249 	if (ctx->err)  in trace_xdp_devmap_xmit()
250 		rec->err++;  in trace_xdp_devmap_xmit()
253 	if (ctx->drops < 0)  in trace_xdp_devmap_xmit()
254 		rec->err++;  in trace_xdp_devmap_xmit()