56     block->data_len = 0;  in new_sk_buffer()
84     memcpy(new_buff->data, buff->data, buff->data_len);  in reserve_sk_buffer()
85     new_buff->data_len = buff->data_len;  in reserve_sk_buffer()
145     buff->data_len = 0;  in free_sk_buffer()
203         skip_len = (item->data_len > left) ? left : item->data_len;  in cache_copy_out()
211         item->data_len -= skip_len;  in cache_copy_out()
213         if (item->data_len > 0)  in cache_copy_out()
256     cache->len += buff->data_len;  in cache_append_buffer()
269     if (cache->len >= buff->data_len)   in cache_skip_first_buffer()
271         cache->len -= buff->data_len;  in cache_skip_first_buffer()
300         if (tail->end > (tail->data + tail->data_len))  in cache_append_data()
302             remain = tail->end - tail->data - tail->data_len;  in cache_append_data()
307             memcpy(tail->data + tail->data_len, data, len);  in cache_append_data()
308             tail->data_len += len;  in cache_append_data()
330             item->data_len = left;  in cache_append_data()
335         item->data_len = item->size;  in cache_append_data()
341         memcpy(tail->data + tail->data_len, data, remain);  in cache_append_data()
342         tail->data_len += remain;  in cache_append_data()
386         item->data_len += rc;  in cache_udp_recv()
406             || ((item->data_len + item->data) >= item->end))  in cache_tcp_recv()
416         uint8_t* buff = item->data + item->data_len;  in cache_tcp_recv()
417         uint32_t remain = item->end - item->data - item->data_len;  in cache_tcp_recv()
439             item->data_len += recvd_len;  in cache_tcp_recv()
470         ret = ff_hook_send(fd, item->data, item->data_len, 0);  in cache_tcp_send()
477         if (ret < (int32_t)item->data_len)  in cache_tcp_send()
597         *len = (int32_t)item->data_len;  in get_block_data()
615         if (left_len <= item->data_len)  in read_cache_data()
621             copy_len = item->data_len;  in read_cache_data()
658         uint32_t real_left = item->data_len;  in read_cache_begin()