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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-07-09 11:14:53 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-07-09 14:45:47 +0200 |
commit | 5283630d2c9d40deb0183696d278e02644fe4326 (patch) | |
tree | d5695aea058ed05d4d9a4b84b5cb9986aaefd23f /freebsd/sys/netinet/in_var.h | |
parent | EPOCH(9): Add epoch_drain_callbacks() (diff) | |
download | rtems-libbsd-5283630d2c9d40deb0183696d278e02644fe4326.tar.bz2 |
Update to FreeBSD stable/12 2019-07-09
Git mirror commit 3427c3416aa3c0f25124070959cca78024b94d85.
Diffstat (limited to 'freebsd/sys/netinet/in_var.h')
-rw-r--r-- | freebsd/sys/netinet/in_var.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/freebsd/sys/netinet/in_var.h b/freebsd/sys/netinet/in_var.h index 5b7a464b..50112481 100644 --- a/freebsd/sys/netinet/in_var.h +++ b/freebsd/sys/netinet/in_var.h @@ -232,9 +232,61 @@ struct in_mfilter { struct ip_msource_tree imf_sources; /* source list for (S,G) */ u_long imf_nsrc; /* # of source entries */ uint8_t imf_st[2]; /* state before/at commit */ + struct in_multi *imf_inm; /* associated multicast address */ + STAILQ_ENTRY(in_mfilter) imf_entry; /* list entry */ }; /* + * Helper types and functions for IPv4 multicast filters. + */ +STAILQ_HEAD(ip_mfilter_head, in_mfilter); + +struct in_mfilter *ip_mfilter_alloc(int mflags, int st0, int st1); +void ip_mfilter_free(struct in_mfilter *); + +static inline void +ip_mfilter_init(struct ip_mfilter_head *head) +{ + + STAILQ_INIT(head); +} + +static inline struct in_mfilter * +ip_mfilter_first(const struct ip_mfilter_head *head) +{ + + return (STAILQ_FIRST(head)); +} + +static inline void +ip_mfilter_insert(struct ip_mfilter_head *head, struct in_mfilter *imf) +{ + + STAILQ_INSERT_TAIL(head, imf, imf_entry); +} + +static inline void +ip_mfilter_remove(struct ip_mfilter_head *head, struct in_mfilter *imf) +{ + + STAILQ_REMOVE(head, imf, in_mfilter, imf_entry); +} + +#define IP_MFILTER_FOREACH(imf, head) \ + STAILQ_FOREACH(imf, head, imf_entry) + +static inline size_t +ip_mfilter_count(struct ip_mfilter_head *head) +{ + struct in_mfilter *imf; + size_t num = 0; + + STAILQ_FOREACH(imf, head, imf_entry) + num++; + return (num); +} + +/* * IPv4 group descriptor. * * For every entry on an ifnet's if_multiaddrs list which represents |