diff options
Diffstat (limited to 'freebsd/sys/netinet/ip_icmp.h')
| -rw-r--r-- | freebsd/sys/netinet/ip_icmp.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/freebsd/sys/netinet/ip_icmp.h b/freebsd/sys/netinet/ip_icmp.h index 9cabdb58..64db0064 100644 --- a/freebsd/sys/netinet/ip_icmp.h +++ b/freebsd/sys/netinet/ip_icmp.h @@ -99,7 +99,7 @@ struct icmp { struct id_ts { /* ICMP Timestamp */ /* * The next 3 fields are in network format, - * milliseconds since 00:00 GMT + * milliseconds since 00:00 UTC */ uint32_t its_otime; /* Originate */ uint32_t its_rtime; /* Receive */ @@ -136,6 +136,14 @@ struct icmp { #define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */ #define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8) /* N.B.: must separately check that ip_hl >= 5 */ + /* This is the minimum length required by RFC 792. */ +/* + * ICMP_ADVLENPREF is the preferred number of bytes which should be contiguous. + * SCTP needs additional 12 bytes to be able to access the initiate tag + * in packets containing an INIT chunk. For also supporting SCTP/UDP, + * additional 8 bytes are needed. + */ +#define ICMP_ADVLENPREF(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8 + 8 + 12) /* * Definition of type and code field values. @@ -207,7 +215,7 @@ struct icmp { #ifdef _KERNEL void icmp_error(struct mbuf *, int, int, uint32_t, int); -void icmp_input(struct mbuf *, int); +int icmp_input(struct mbuf **, int *, int); int ip_next_mtu(int, int); #endif |