629 static void bpf_stmt(struct sock_filter *ins, unsigned *i,  in bpf_stmt()  argument
631         ins[(*i)++] = (struct sock_filter) {  in bpf_stmt()
637 static void bpf_jmp(struct sock_filter *ins, unsigned *i,  in bpf_jmp()  argument
640         ins[(*i)++] = (struct sock_filter) {  in bpf_jmp()
649         struct sock_filter ins[512] = {};  in sd_device_monitor_filter_update()  local
667         bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(monitor_netlink_header, magic));  in sd_device_monitor_filter_update()
669         bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, UDEV_MONITOR_MAGIC, 1, 0);  in sd_device_monitor_filter_update()
671         bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);  in sd_device_monitor_filter_update()
683 …    bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(monitor_netlink_header, filter_tag_bloom_hi));  in sd_device_monitor_filter_update()
685                         bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_hi);  in sd_device_monitor_filter_update()
687                         bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_hi, 0, 3);  in sd_device_monitor_filter_update()
690 …    bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(monitor_netlink_header, filter_tag_bloom_lo));  in sd_device_monitor_filter_update()
692                         bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_lo);  in sd_device_monitor_filter_update()
695 …                   bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_lo, 1 + (tag_matches * 6), 0);  in sd_device_monitor_filter_update()
699                 bpf_stmt(ins, &i, BPF_RET|BPF_K, 0);  in sd_device_monitor_filter_update()
708 …  bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(monitor_netlink_header, filter_subsystem_hash));  in sd_device_monitor_filter_update()
711                                 bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1);  in sd_device_monitor_filter_update()
714                                 bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 3);  in sd_device_monitor_filter_update()
716 …    bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(monitor_netlink_header, filter_devtype_hash));  in sd_device_monitor_filter_update()
719                                 bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1);  in sd_device_monitor_filter_update()
723                         bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);  in sd_device_monitor_filter_update()
725                         if (i+1 >= ELEMENTSOF(ins))  in sd_device_monitor_filter_update()
730                 bpf_stmt(ins, &i, BPF_RET|BPF_K, 0);  in sd_device_monitor_filter_update()
734         bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);  in sd_device_monitor_filter_update()
739                 .filter = ins,  in sd_device_monitor_filter_update()