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Differential D7309 Diff 19120 sys/netinet/udp_usrreq.c

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sys/netinet/udp_usrreq.c

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SYSCTL_INT(_net_inet_udp, OID_AUTO, log_in_vain, CTLFLAG_RW, SYSCTL_INT(_net_inet_udp, OID_AUTO, log_in_vain, CTLFLAG_RW,
&udp_log_in_vain, 0, "Log all incoming UDP packets"); &udp_log_in_vain, 0, "Log all incoming UDP packets");
VNET_DEFINE(int, udp_blackhole) = 0; VNET_DEFINE(int, udp_blackhole) = 0;
SYSCTL_INT(_net_inet_udp, OID_AUTO, blackhole, CTLFLAG_VNET | CTLFLAG_RW, SYSCTL_INT(_net_inet_udp, OID_AUTO, blackhole, CTLFLAG_VNET | CTLFLAG_RW,
&VNET_NAME(udp_blackhole), 0, &VNET_NAME(udp_blackhole), 0,
"Do not send port unreachables for refused connects"); "Do not send port unreachables for refused connects");
static VNET_DEFINE(int, udp_require_l2_bcast) = 1;
SYSCTL_INT(_net_inet_udp, OID_AUTO, require_l2_bcast, CTLFLAG_VNET | CTLFLAG_RW,
&VNET_NAME(udp_require_l2_bcast), 0,
"Only treat packets sent to an L2 broadcast address as broadcast packets");
u_long udp_sendspace = 9216; /* really max datagram size */ u_long udp_sendspace = 9216; /* really max datagram size */
SYSCTL_ULONG(_net_inet_udp, UDPCTL_MAXDGRAM, maxdgram, CTLFLAG_RW, SYSCTL_ULONG(_net_inet_udp, UDPCTL_MAXDGRAM, maxdgram, CTLFLAG_RW,
&udp_sendspace, 0, "Maximum outgoing UDP datagram size"); &udp_sendspace, 0, "Maximum outgoing UDP datagram size");
u_long udp_recvspace = 40 * (1024 + u_long udp_recvspace = 40 * (1024 +
#ifdef INET6 #ifdef INET6
sizeof(struct sockaddr_in6) sizeof(struct sockaddr_in6)
#else #else
▲ Show 20 Lines • Show All 381 Lines • ▼ Show 20 Lines if (proto == IPPROTO_UDP) {
/* XXX: What is the right UDPLite MIB counter here? */ /* XXX: What is the right UDPLite MIB counter here? */
m_freem(m); m_freem(m);
return (IPPROTO_DONE); return (IPPROTO_DONE);
} }
} }
pcbinfo = udp_get_inpcbinfo(proto); pcbinfo = udp_get_inpcbinfo(proto);
if (IN_MULTICAST(ntohl(ip->ip_dst.s_addr)) || if (IN_MULTICAST(ntohl(ip->ip_dst.s_addr)) ||
in_broadcast(ip->ip_dst, ifp)) { ((!VNET_NAME(udp_require_l2_bcast) || m->m_flags & M_BCAST) &&
in_broadcast(ip->ip_dst, ifp))) {
struct inpcb *last; struct inpcb *last;
struct inpcbhead *pcblist; struct inpcbhead *pcblist;
struct ip_moptions *imo; struct ip_moptions *imo;
INP_INFO_RLOCK(pcbinfo); INP_INFO_RLOCK(pcbinfo);
pcblist = udp_get_pcblist(proto); pcblist = udp_get_pcblist(proto);
last = NULL; last = NULL;
LIST_FOREACH(inp, pcblist, inp_list) { LIST_FOREACH(inp, pcblist, inp_list) {
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