32 	int map_fd;  member
50 	int map_fd;  member
73 int ring_buffer__add(struct ring_buffer *rb, int map_fd,  in ring_buffer__add()  argument
86 	err = bpf_map_get_info_by_fd(map_fd, &info, &len);  in ring_buffer__add()
90 			map_fd, err);  in ring_buffer__add()
96 			map_fd);  in ring_buffer__add()
113 	r->map_fd = map_fd;  in ring_buffer__add()
119 	tmp = mmap(NULL, rb->page_size, PROT_READ | PROT_WRITE, MAP_SHARED, map_fd, 0);  in ring_buffer__add()
123 			map_fd, err);  in ring_buffer__add()
137 	tmp = mmap(NULL, (size_t)mmap_sz, PROT_READ, MAP_SHARED, map_fd, rb->page_size);  in ring_buffer__add()
142 			map_fd, err);  in ring_buffer__add()
153 	if (epoll_ctl(rb->epoll_fd, EPOLL_CTL_ADD, map_fd, e) < 0) {  in ring_buffer__add()
157 			map_fd, err);  in ring_buffer__add()
183 ring_buffer__new(int map_fd, ring_buffer_sample_fn sample_cb, void *ctx,  in ring_buffer__new()  argument
205 	err = ring_buffer__add(rb, map_fd, sample_cb, ctx);  in ring_buffer__new()
351 static int user_ringbuf_map(struct user_ring_buffer *rb, int map_fd)  in user_ringbuf_map()  argument
362 	err = bpf_map_get_info_by_fd(map_fd, &info, &len);  in user_ringbuf_map()
365 		pr_warn("user ringbuf: failed to get map info for fd=%d: %d\n", map_fd, err);  in user_ringbuf_map()
370 		pr_warn("user ringbuf: map fd=%d is not BPF_MAP_TYPE_USER_RINGBUF\n", map_fd);  in user_ringbuf_map()
374 	rb->map_fd = map_fd;  in user_ringbuf_map()
378 	tmp = mmap(NULL, rb->page_size, PROT_READ, MAP_SHARED, map_fd, 0);  in user_ringbuf_map()
382 			map_fd, err);  in user_ringbuf_map()
398 		   map_fd, rb->page_size);  in user_ringbuf_map()
402 			map_fd, err);  in user_ringbuf_map()
411 	if (epoll_ctl(rb->epoll_fd, EPOLL_CTL_ADD, map_fd, rb_epoll) < 0) {  in user_ringbuf_map()
413 		pr_warn("user ringbuf: failed to epoll add map fd=%d: %d\n", map_fd, err);  in user_ringbuf_map()
421 user_ring_buffer__new(int map_fd, const struct user_ring_buffer_opts *opts)  in user_ring_buffer__new()  argument
442 	err = user_ringbuf_map(rb, map_fd);  in user_ring_buffer__new()