src/sys/netinet/ip_input.c - diff

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version 1.21, 1995/06/07 16:01:15

version 1.22, 1995/06/12 00:47:41

Line 78 extern struct domain inetdomain;

extern struct protosw inetsw[];

u_char ip_protox[IPPROTO_MAX];

int ipqmaxlen = IFQ_MAXLEN;

struct in_ifaddr *in_ifaddr; /* first inet address */

struct in_ifaddrhead in_ifaddr;

struct ifqueue ipintrq;

Line 120 ip_init()

ipq.next = ipq.prev = &ipq;

ip_id = time.tv_sec & 0xffff;

ipintrq.ifq_maxlen = ipqmaxlen;

TAILQ_INIT(&in_ifaddr);

}

struct sockaddr_in ipaddr = { sizeof(ipaddr), AF_INET };

Line 156 next:

Line 157 next:

* If no IP addresses have been set yet but the interfaces

* are receiving, can't do anything with incoming packets yet.

if (in_ifaddr == NULL)

if (in_ifaddr.tqh_first == 0)

goto bad;

ipstat.ips_total++;

if (m->m_len < sizeof (struct ip) &&

Line 228 next:

Line 229 next:

* Check our list of addresses, to see if the packet is for us.

for (ia = in_ifaddr; ia; ia = ia->ia_next) {

for (ia = in_ifaddr.tqh_first; ia; ia = ia->ia_list.tqe_next) {

if (ip->ip_dst.s_addr == ia->ia_addr.sin_addr.s_addr)

goto ours;

if (