123200Smckusick /* 239186Ssklower * Copyright (c) 1982, 1986, 1989 Regents of the University of California. 332789Sbostic * All rights reserved. 423200Smckusick * 544556Sbostic * %sccs.include.redist.c% 632789Sbostic * 7*59664Storek * @(#)udp_var.h 7.11 (Berkeley) 05/03/93 823200Smckusick */ 94895Swnj 104926Swnj /* 114926Swnj * UDP kernel structures and variables. 124926Swnj */ 134901Swnj struct udpiphdr { 144901Swnj struct ipovly ui_i; /* overlaid ip structure */ 154901Swnj struct udphdr ui_u; /* udp header */ 164901Swnj }; 174901Swnj #define ui_next ui_i.ih_next 184901Swnj #define ui_prev ui_i.ih_prev 194901Swnj #define ui_x1 ui_i.ih_x1 204901Swnj #define ui_pr ui_i.ih_pr 214901Swnj #define ui_len ui_i.ih_len 224901Swnj #define ui_src ui_i.ih_src 234901Swnj #define ui_dst ui_i.ih_dst 244901Swnj #define ui_sport ui_u.uh_sport 254901Swnj #define ui_dport ui_u.uh_dport 264901Swnj #define ui_ulen ui_u.uh_ulen 274901Swnj #define ui_sum ui_u.uh_sum 284901Swnj 294926Swnj struct udpstat { 3044377Skarels /* input statistics: */ 3157433Sandrew u_long udps_ipackets; /* total input packets */ 3257433Sandrew u_long udps_hdrops; /* packet shorter than header */ 3357433Sandrew u_long udps_badsum; /* checksum error */ 3457433Sandrew u_long udps_badlen; /* data length larger than packet */ 3557433Sandrew u_long udps_noport; /* no socket on port */ 3657433Sandrew u_long udps_noportbcast; /* of above, arrived as broadcast */ 3757433Sandrew u_long udps_fullsock; /* not delivered, input socket full */ 3857433Sandrew u_long udpps_pcbcachemiss; /* input packets missing pcb cache */ 3944377Skarels /* output statistics: */ 4057433Sandrew u_long udps_opackets; /* total output packets */ 414926Swnj }; 424926Swnj 4359310Smckusick /* 4459310Smckusick * Names for UDP sysctl objects 4559310Smckusick */ 46*59664Storek #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */ 4759310Smckusick #define UDPCTL_MAXID 2 4859310Smckusick 4959310Smckusick #define UDPCTL_NAMES { \ 5059310Smckusick { 0, 0 }, \ 5159310Smckusick { "checksum", CTLTYPE_INT }, \ 5259310Smckusick } 5359310Smckusick 544901Swnj #ifdef KERNEL 554895Swnj struct inpcb udb; 564926Swnj struct udpstat udpstat; 574901Swnj #endif 58