| 410 | } |
| 411 | |
| 412 | void |
| 413 | mrt_stats() |
| 414 | { |
| 415 | struct mrtstat mrtstat; |
| 416 | u_long mstaddr; |
| 417 | |
| 418 | mstaddr = nl[N_MRTSTAT].n_value; |
| 419 | |
| 420 | if (fetch_stats("net.inet.ip.mrtstat", mstaddr, &mrtstat, |
| 421 | sizeof(mrtstat), kread_counters) != 0) { |
| 422 | if ((live && errno == ENOENT) || (!live && mstaddr == 0)) |
| 423 | fprintf(stderr, "No IPv4 MROUTING kernel support.\n"); |
| 424 | return; |
| 425 | } |
| 426 | |
| 427 | xo_emit("{T:IPv4 multicast forwarding}:\n"); |
| 428 | |
| 429 | #define p(f, m) if (mrtstat.f || sflag <= 1) \ |
| 430 | xo_emit(m, (uintmax_t)mrtstat.f, plural(mrtstat.f)) |
| 431 | #define p2(f, m) if (mrtstat.f || sflag <= 1) \ |
| 432 | xo_emit(m, (uintmax_t)mrtstat.f, plurales(mrtstat.f)) |
| 433 | |
| 434 | xo_open_container("multicast-statistics"); |
| 435 | |
| 436 | p(mrts_mfc_lookups, "\t{:cache-lookups/%ju} " |
| 437 | "{N:/multicast forwarding cache lookup%s}\n"); |
| 438 | p2(mrts_mfc_misses, "\t{:cache-misses/%ju} " |
| 439 | "{N:/multicast forwarding cache miss%s}\n"); |
| 440 | p(mrts_upcalls, "\t{:upcalls-total/%ju} " |
| 441 | "{N:/upcall%s to multicast routing daemon}\n"); |
| 442 | p(mrts_upq_ovflw, "\t{:upcall-overflows/%ju} " |
| 443 | "{N:/upcall queue overflow%s}\n"); |
| 444 | p(mrts_upq_sockfull, |
| 445 | "\t{:upcalls-dropped-full-buffer/%ju} " |
| 446 | "{N:/upcall%s dropped due to full socket buffer}\n"); |
| 447 | p(mrts_cache_cleanups, "\t{:cache-cleanups/%ju} " |
| 448 | "{N:/cache cleanup%s}\n"); |
| 449 | p(mrts_no_route, "\t{:dropped-no-origin/%ju} " |
| 450 | "{N:/datagram%s with no route for origin}\n"); |
| 451 | p(mrts_bad_tunnel, "\t{:dropped-bad-tunnel/%ju} " |
| 452 | "{N:/datagram%s arrived with bad tunneling}\n"); |
| 453 | p(mrts_cant_tunnel, "\t{:dropped-could-not-tunnel/%ju} " |
| 454 | "{N:/datagram%s could not be tunneled}\n"); |
| 455 | p(mrts_wrong_if, "\t{:dropped-wrong-incoming-interface/%ju} " |
| 456 | "{N:/datagram%s arrived on wrong interface}\n"); |
| 457 | p(mrts_drop_sel, "\t{:dropped-selectively/%ju} " |
| 458 | "{N:/datagram%s selectively dropped}\n"); |
| 459 | p(mrts_q_overflow, "\t{:dropped-queue-overflow/%ju} " |
| 460 | "{N:/datagram%s dropped due to queue overflow}\n"); |
| 461 | p(mrts_pkt2large, "\t{:dropped-too-large/%ju} " |
| 462 | "{N:/datagram%s dropped for being too large}\n"); |
| 463 | |
| 464 | #undef p2 |
| 465 | #undef p |
| 466 | } |
no test coverage detected