43 	struct iphdr *iph;  in ForwardIPPacket()  local
56 	daddr = pctx->p.iph->daddr;		  in ForwardIPPacket()
59 		pctx->out_ifidx = GetOutputInterface(pctx->p.iph->daddr);  in ForwardIPPacket()
73 		uint8_t *da = (uint8_t *)&(pctx->p.iph->daddr);  in ForwardIPPacket()
94 	iph = (struct iphdr *) EthernetOutput (mtcp, pctx, ETH_P_IP,  in ForwardIPPacket()
96 	if (iph)  in ForwardIPPacket()
97 		memcpy(iph, pctx->p.iph, pctx->p.ip_len);  in ForwardIPPacket()
105 			(char *)iph - sizeof(struct ethhdr),  in ForwardIPPacket()
113 FillOutPacketIPContext(struct pkt_ctx *pctx, struct iphdr *iph, int ip_len)  in FillOutPacketIPContext()  argument
115 	pctx->p.iph = iph;  in FillOutPacketIPContext()
126 	struct iphdr *iph;  in IPOutputStandalone()  local
151 	iph = (struct iphdr *)EthernetOutput(mtcp, pctx,  in IPOutputStandalone()
153 	if (!iph) {  in IPOutputStandalone()
157 	iph->ihl = IP_HEADER_LEN >> 2;  in IPOutputStandalone()
158 	iph->version = 4;  in IPOutputStandalone()
159 	iph->tos = 0;  in IPOutputStandalone()
160 	iph->tot_len = htons(IP_HEADER_LEN + tcplen);  in IPOutputStandalone()
161 	iph->id = htons(ip_id);  in IPOutputStandalone()
162 	iph->frag_off = htons(0x4000);	// no fragmentation  in IPOutputStandalone()
163 	iph->ttl = 64;  in IPOutputStandalone()
164 	iph->protocol = IPPROTO_TCP;  in IPOutputStandalone()
165 	iph->saddr = saddr;  in IPOutputStandalone()
166 	iph->daddr = daddr;  in IPOutputStandalone()
167 	iph->check = 0;  in IPOutputStandalone()
171 		rc = mtcp->iom->dev_ioctl(mtcp->ctx, nif, PKT_TX_IP_CSUM, iph);  in IPOutputStandalone()
174 		iph->check = ip_fast_csum(iph, iph->ihl);  in IPOutputStandalone()
176 	FillOutPacketIPContext(pctx, iph, tcplen + IP_HEADER_LEN);  in IPOutputStandalone()
178 	return (uint8_t *)(iph + 1);  in IPOutputStandalone()
185 	struct iphdr *iph;  in IPOutput()  local
213 	iph = (struct iphdr *)EthernetOutput(mtcp, pctx, ETH_P_IP,  in IPOutput()
215 	if (!iph) {  in IPOutput()
219 	iph->ihl = IP_HEADER_LEN >> 2;  in IPOutput()
220 	iph->version = 4;  in IPOutput()
221 	iph->tos = 0;  in IPOutput()
222 	iph->tot_len = htons(IP_HEADER_LEN + tcplen);  in IPOutput()
223 	iph->id = htons(stream->sndvar->ip_id++);  in IPOutput()
224 	iph->frag_off = htons(0x4000);	// no fragmentation  in IPOutput()
225 	iph->ttl = 64;  in IPOutput()
226 	iph->protocol = IPPROTO_TCP;  in IPOutput()
227 	iph->saddr = stream->saddr;  in IPOutput()
228 	iph->daddr = stream->daddr;  in IPOutput()
229 	iph->check = 0;  in IPOutput()
233 		rc = mtcp->iom->dev_ioctl(mtcp->ctx, nif, PKT_TX_IP_CSUM, iph);  in IPOutput()
236 		iph->check = ip_fast_csum(iph, iph->ihl);  in IPOutput()
238 	FillOutPacketIPContext(pctx, iph, tcplen + IP_HEADER_LEN);  in IPOutput()
240 	return (uint8_t *)(iph + 1);  in IPOutput()