| version 1.24, 1995/08/12 23:59:42 |
version 1.24.2.1, 1996/02/02 06:13:02 |
| Line 68 int udpcksum = 0; /* XXX */ |
|
| Line 68 int udpcksum = 0; /* XXX */ |
|
| #endif |
#endif |
| |
|
| struct sockaddr_in udp_in = { sizeof(udp_in), AF_INET }; |
struct sockaddr_in udp_in = { sizeof(udp_in), AF_INET }; |
| struct inpcb *udp_last_inpcb = 0; |
|
| |
|
| static void udp_detach __P((struct inpcb *)); |
static void udp_detach __P((struct inpcb *)); |
| static void udp_notify __P((struct inpcb *, int)); |
static void udp_notify __P((struct inpcb *, int)); |
| static struct mbuf *udp_saveopt __P((caddr_t, int, int)); |
static struct mbuf *udp_saveopt __P((caddr_t, int, int)); |
| |
|
| |
#ifndef UDBHASHSIZE |
| |
#define UDBHASHSIZE 128 |
| |
#endif |
| |
int udbhashsize = UDBHASHSIZE; |
| |
|
| void |
void |
| udp_init() |
udp_init() |
| { |
{ |
| |
|
| in_pcbinit(&udbtable); |
in_pcbinit(&udbtable, udbhashsize); |
| } |
} |
| |
|
| void |
void |
| Line 247 udp_input(m, iphlen) |
|
| Line 251 udp_input(m, iphlen) |
|
| /* |
/* |
| * Locate pcb for datagram. |
* Locate pcb for datagram. |
| */ |
*/ |
| inp = udp_last_inpcb; |
inp = in_pcbhashlookup(&udbtable, ip->ip_src, uh->uh_sport, |
| if (inp == 0 || |
ip->ip_dst, uh->uh_dport); |
| inp->inp_lport != uh->uh_dport || |
if (inp == 0) { |
| inp->inp_fport != uh->uh_sport || |
++udpstat.udps_pcbhashmiss; |
| inp->inp_faddr.s_addr != ip->ip_src.s_addr || |
|
| inp->inp_laddr.s_addr != ip->ip_dst.s_addr) { |
|
| udpstat.udpps_pcbcachemiss++; |
|
| inp = in_pcblookup(&udbtable, ip->ip_src, uh->uh_sport, |
inp = in_pcblookup(&udbtable, ip->ip_src, uh->uh_sport, |
| ip->ip_dst, uh->uh_dport, INPLOOKUP_WILDCARD); |
ip->ip_dst, uh->uh_dport, INPLOOKUP_WILDCARD); |
| if (inp == 0) { |
if (inp == 0) { |
| Line 267 udp_input(m, iphlen) |
|
| Line 268 udp_input(m, iphlen) |
|
| icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PORT, 0, 0); |
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PORT, 0, 0); |
| return; |
return; |
| } |
} |
| udp_last_inpcb = inp; |
|
| } |
} |
| |
|
| /* |
/* |
|
|
| { |
{ |
| int s = splsoftnet(); |
int s = splsoftnet(); |
| |
|
| if (inp == udp_last_inpcb) |
|
| udp_last_inpcb = 0; |
|
| in_pcbdetach(inp); |
in_pcbdetach(inp); |
| splx(s); |
splx(s); |
| } |
} |