52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
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/* udp_var.h */
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#ifndef UDP_VAR_H
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#define UDP_VAR_H
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#include "netinet/ip_var.h"
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struct udpiphdr {
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struct ipovly ui_i;
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struct udphdr ui_u;
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};
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#define ui_next ui_i.ih_next
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#define ui_prev ui_i.ih_prev
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#define ui_x1 ui_i.ih_x1 /* NB _x1 (one) */
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#define ui_pr ui_i.ih_pr
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#define ui_len ui_i.ih_len
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#define ui_src ui_i.ih_src
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#define ui_dst ui_i.ih_dst
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#define ui_sport ui_u.uh_sport
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#define ui_dport ui_u.uh_dport
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#define ui_ulen ui_u.uh_ulen
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#define ui_sum ui_u.uh_sum
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struct udpstat {
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/* input statistics: */
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uint32 udps_ipackets; /* total input packets */
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uint32 udps_hdrops; /* packet shorter than header */
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uint32 udps_badsum; /* checksum error */
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uint32 udps_nosum; /* no checksum */
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uint32 udps_badlen; /* data length larger than packet */
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uint32 udps_noport; /* no socket on port */
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uint32 udps_noportbcast; /* of above, arrived as broadcast */
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uint32 udps_nosec; /* dropped for lack of ipsec */
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uint32 udps_fullsock; /* not delivered, input socket full */
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uint32 udps_pcbhashmiss; /* input packets missing pcb hash */
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uint32 udps_inhwcsum; /* input hardware-csummed packets */
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/* output statistics: */
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uint32 udps_opackets; /* total output packets */
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uint32 udps_outhwcsum; /* output hardware-csummed packets */
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};
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/*
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* Names for UDP sysctl objects
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*/
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#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
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#define UDPCTL_BADDYNAMIC 2 /* return bad dynamic port bitmap */
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#define UDPCTL_RECVSPACE 3 /* receive buffer space */
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#define UDPCTL_SENDSPACE 4 /* send buffer space */
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#define UDPCTL_MAXID 5
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#endif
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