These statistics can be checked only via /proc/net/ip_mr_cache or SIOCGETSGCNT[_IN6] and thus only for the table RT_TABLE_DEFAULT. Advertising them via rtnetlink allows to get statistics for all cache entries, whatever the table is.
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| @@ -288,6 +288,7 @@ enum rtattr_type_t { · 287 unmodified lines | |||
| 288 | RTA_MP_ALGO, /* no longer used */ | 288 | RTA_MP_ALGO, /* no longer used */ |
| 289 | RTA_TABLE, | 289 | RTA_TABLE, |
| 290 | RTA_MARK, | 290 | RTA_MARK, |
| 291 | RTA_MFC_STATS, | ||
| 291 | __RTA_MAX | 292 | __RTA_MAX |
| 292 | }; | 293 | }; |
| 293 | 294 | ||
| @@ -408,6 +409,12 @@ struct rta_session { · 114 unmodified lines | |||
| 408 | } u; | 409 | } u; |
| 409 | }; | 410 | }; |
| 410 | 411 | ||
| 412 | struct rta_mfc_stats { | ||
| 413 | __u64 mfcs_packets; | ||
| 414 | __u64 mfcs_bytes; | ||
| 415 | __u64 mfcs_wrong_if; | ||
| 416 | }; | ||
| 417 | |||
| 411 | /**** | 418 | /**** |
| 412 | * General form of address family dependent message. | 419 | * General form of address family dependent message. |
| 413 | ****/ | 420 | ****/ |