Cross Reference: /vbox/src/VBox/Devices/Network/slirp/bootp.c

Lines Matching refs:bp
208 static struct mbuf *dhcp_create_msg(PNATState pData, struct bootp_t *bp, struct mbuf *m, uint8_t type)
215     memcpy(eh->h_source, bp->bp_hwaddr, ETH_ALEN); /* XXX: if_encap just swap source with dest */
222     rbp->bp_xid = bp->bp_xid; /* see table 3 of rfc2131*/
223     rbp->bp_flags = bp->bp_flags; /* figure 2 of rfc2131 */
224     rbp->bp_giaddr.s_addr = bp->bp_giaddr.s_addr;
231     memcpy(rbp->bp_hwaddr, bp->bp_hwaddr, 6);
352 static int dhcp_send_nack(PNATState pData, struct bootp_t *bp, BOOTPClient *bc, struct mbuf *m)
356     dhcp_create_msg(pData, bp, m, DHCPNAK);
360 static int dhcp_send_ack(PNATState pData, struct bootp_t *bp, BOOTPClient *bc, struct mbuf *m, int fDhcpRequest)
364     dhcp_create_msg(pData, bp, m, DHCPACK);
369 static int dhcp_send_offer(PNATState pData, struct bootp_t *bp, BOOTPClient *bc, struct mbuf *m)
373     dhcp_create_msg(pData, bp, m, DHCPOFFER);
400 static int dhcp_decode_request(PNATState pData, struct bootp_t *bp, struct mbuf *m)
411     req_ip = dhcp_find_option(&bp->bp_vend[0], RFC2132_REQ_ADDR);
412     server_ip = dhcp_find_option(&bp->bp_vend[0], RFC2132_SRV_ID);
414     bc = find_addr(pData, &daddr, bp->bp_hwaddr);
426             || bp->bp_ciaddr.s_addr != INADDR_ANY)
432         Assert((bp->bp_ciaddr.s_addr == INADDR_ANY));
435         Assert((bp->bp_xid == bc->xid));
448             if (bp->bp_flags & RT_H2N_U16_C(DHCP_FLAGS_B))
470             Assert((server_ip == NULL && req_ip == NULL && bp->bp_ciaddr.s_addr != INADDR_ANY));
473                 || bp->bp_ciaddr.s_addr == INADDR_ANY)
480                 Assert((bc->addr.s_addr == bp->bp_ciaddr.s_addr));
485                if ((bp->bp_ciaddr.s_addr & RT_H2N_U32(pData->netmask)) != pData->special_addr.s_addr)
487                    LogRel(("NAT: Client %RTnaipv4 requested IP -- sending NAK\n", bp->bp_ciaddr));
488                    offReply = dhcp_send_nack(pData, bp, bc, m);
499                Assert((bp->bp_hlen == ETH_ALEN));
500                memcpy(bc->macaddr, bp->bp_hwaddr, bp->bp_hlen);
501                bc->addr.s_addr = bp->bp_ciaddr.s_addr;
522                 || bp->bp_ciaddr.s_addr != INADDR_ANY)
531                 offReply = dhcp_send_nack(pData, bp, bc, m);
545             Assert((bp->bp_hlen == ETH_ALEN));
546             memcpy(bc->macaddr, bp->bp_hwaddr, bp->bp_hlen);
563     offReply = dhcp_send_ack(pData, bp, bc, m, /* fDhcpRequest=*/ 1);
567 static int dhcp_decode_discover(PNATState pData, struct bootp_t *bp, int fDhcpDiscover, struct mbuf *m)
575         bc = find_addr(pData, &daddr, bp->bp_hwaddr);
585             memcpy(bc->macaddr, bp->bp_hwaddr, 6);
588         bc->xid = bp->bp_xid;
590         offReply = dhcp_send_offer(pData, bp, bc, m);
595         bc = find_addr(pData, &daddr, bp->bp_hwaddr);
603         offReply = dhcp_send_ack(pData, bp, bc, m, /* fDhcpRequest=*/ 0);
610 static int dhcp_decode_release(PNATState pData, struct bootp_t *bp)
612     int rc = release_addr(pData, &bp->bp_ciaddr);
615             &bp->bp_ciaddr));
683 static void dhcp_decode(PNATState pData, struct bootp_t *bp, const uint8_t *buf, int size)
700     pu8RawDhcpObject = dhcp_find_option(bp->bp_vend, RFC2132_MSG_TYPE);
725         parameter_list = dhcp_find_option(&bp->bp_vend[0], RFC2132_PARAM_LIST);
752             rc = dhcp_decode_discover(pData, bp, fDhcpDiscover, m);
758             rc = dhcp_decode_request(pData, bp, m);
764             dhcp_decode_release(pData, bp);
772             pu8RawDhcpObject = dhcp_find_option(&bp->bp_vend[0], RFC2132_REQ_ADDR);
806     bootp_reply(pData, m, rc, bp->bp_flags);
846     struct bootp_t *bp = mtod(m, struct bootp_t *);
848     if (bp->bp_op == BOOTP_REQUEST)
849         dhcp_decode(pData, bp, bp->bp_vend, DHCP_OPT_LEN);