Lines Matching defs:ddp
1321 struct ddpehdr *ddp, __u16 len_hops, int origlen)
1330 if (skb->pkt_type != PACKET_HOST || !ddp->deh_dnet) {
1343 ta.s_net = ddp->deh_dnet;
1344 ta.s_node = ddp->deh_dnode;
1371 ddp->deh_len_hops = htons(len_hops);
1382 * Note. ddp-> becomes invalid at the realloc.
1424 struct ddpehdr *ddp;
1439 if (!pskb_may_pull(skb, sizeof(*ddp)))
1442 ddp = ddp_hdr(skb);
1444 len_hops = ntohs(ddp->deh_len_hops);
1451 * Size check to see if ddp->deh_len was crap
1455 if (skb->len < sizeof(*ddp) || skb->len < (len_hops & 1023)) {
1465 if (ddp->deh_sum &&
1466 atalk_checksum(skb, len_hops & 1023) != ddp->deh_sum)
1471 if (!ddp->deh_dnet) /* Net 0 is 'this network' */
1472 atif = atalk_find_anynet(ddp->deh_dnode, dev);
1474 atif = atalk_find_interface(ddp->deh_dnet, ddp->deh_dnode);
1480 return atalk_route_packet(skb, dev, ddp, len_hops, origlen);
1490 tosat.sat_addr.s_net = ddp->deh_dnet;
1491 tosat.sat_addr.s_node = ddp->deh_dnode;
1492 tosat.sat_port = ddp->deh_dport;
1524 struct ddpehdr *ddp;
1539 ddp = skb_push(skb, sizeof(*ddp) - 4);
1549 ddp->deh_dnode = skb_mac_header(skb)[0]; /* From physical header */
1550 ddp->deh_snode = skb_mac_header(skb)[1]; /* From physical header */
1552 ddp->deh_dnet = ap->s_net; /* Network number */
1553 ddp->deh_snet = ap->s_net;
1554 ddp->deh_sum = 0; /* No checksum */
1559 ddp->deh_len_hops = htons(skb->len + (DDP_MAXHOPS << 10));
1579 struct ddpehdr *ddp;
1672 ddp = skb_put(skb, sizeof(struct ddpehdr));
1673 ddp->deh_len_hops = htons(len + sizeof(*ddp));
1674 ddp->deh_dnet = usat->sat_addr.s_net;
1675 ddp->deh_snet = at->src_net;
1676 ddp->deh_dnode = usat->sat_addr.s_node;
1677 ddp->deh_snode = at->src_node;
1678 ddp->deh_dport = usat->sat_port;
1679 ddp->deh_sport = at->src_port;
1691 ddp->deh_sum = 0;
1693 ddp->deh_sum = atalk_checksum(skb, len + sizeof(*ddp));
1699 if (ddp->deh_dnode == ATADDR_BCAST &&
1717 if (ddp->deh_dnode == ATADDR_BCAST) {
1750 struct ddpehdr *ddp;
1763 ddp = ddp_hdr(skb);
1764 copied = ntohs(ddp->deh_len_hops) & 1023;
1767 offset = sizeof(*ddp);
1780 sat->sat_port = ddp->deh_sport;
1781 sat->sat_addr.s_node = ddp->deh_snode;
1782 sat->sat_addr.s_net = ddp->deh_snet;