382 	struct tcphdr *tcph;  in i40iw_form_cm_frame()  local
411 		packetsize = sizeof(*iph) + sizeof(*tcph);  in i40iw_form_cm_frame()
413 		packetsize = sizeof(*ip6h) + sizeof(*tcph);  in i40iw_form_cm_frame()
420 	sqbuf->tcphlen = sizeof(*tcph) + opts_len;  in i40iw_form_cm_frame()
431 		tcph = (struct tcphdr *)buf;  in i40iw_form_cm_frame()
432 		buf += sizeof(*tcph);  in i40iw_form_cm_frame()
461 		tcph = (struct tcphdr *)buf;  in i40iw_form_cm_frame()
462 		buf += sizeof(*tcph);  in i40iw_form_cm_frame()
488 	tcph->source = htons(cm_node->loc_port);  in i40iw_form_cm_frame()
489 	tcph->dest = htons(cm_node->rem_port);  in i40iw_form_cm_frame()
491 	tcph->seq = htonl(cm_node->tcp_cntxt.loc_seq_num);  in i40iw_form_cm_frame()
495 		tcph->ack_seq = htonl(cm_node->tcp_cntxt.loc_ack_num);  in i40iw_form_cm_frame()
496 		tcph->ack = 1;  in i40iw_form_cm_frame()
498 		tcph->ack_seq = 0;  in i40iw_form_cm_frame()
503 		tcph->syn = 1;  in i40iw_form_cm_frame()
510 		tcph->fin = 1;  in i40iw_form_cm_frame()
514 		tcph->rst = 1;  in i40iw_form_cm_frame()
516 	tcph->doff = (u16)((sizeof(*tcph) + opts_len + 3) >> 2);  in i40iw_form_cm_frame()
517 	sqbuf->tcphlen = tcph->doff << 2;  in i40iw_form_cm_frame()
518 	tcph->window = htons(cm_node->tcp_cntxt.rcv_wnd);  in i40iw_form_cm_frame()
519 	tcph->urg_ptr = 0;  in i40iw_form_cm_frame()
697 				    struct tcphdr *tcph,  in i40iw_handle_tcp_options()  argument
701 	u8 *optionsloc = (u8 *)&tcph[1];  in i40iw_handle_tcp_options()
707 					  (u32)tcph->syn)) {  in i40iw_handle_tcp_options()
721 	cm_node->tcp_cntxt.snd_wnd = ntohs(tcph->window) <<  in i40iw_handle_tcp_options()
2534 static int i40iw_check_syn(struct i40iw_cm_node *cm_node, struct tcphdr *tcph)  in i40iw_check_syn()  argument
2538 	if (ntohl(tcph->ack_seq) != cm_node->tcp_cntxt.loc_seq_num) {  in i40iw_check_syn()
2550 static int i40iw_check_seq(struct i40iw_cm_node *cm_node, struct tcphdr *tcph)  in i40iw_check_seq()  argument
2559 	seq = ntohl(tcph->seq);  in i40iw_check_seq()
2560 	ack_seq = ntohl(tcph->ack_seq);  in i40iw_check_seq()
2581 	struct tcphdr *tcph = (struct tcphdr *)rbuf->tcph;  in i40iw_handle_syn_pkt()  local
2587 	optionsize = (tcph->doff << 2) - sizeof(struct tcphdr);  in i40iw_handle_syn_pkt()
2588 	inc_sequence = ntohl(tcph->seq);  in i40iw_handle_syn_pkt()
2604 		ret = i40iw_handle_tcp_options(cm_node, tcph, optionsize, 1);  in i40iw_handle_syn_pkt()
2650 	struct tcphdr *tcph = (struct tcphdr *)rbuf->tcph;  in i40iw_handle_synack_pkt()  local
2655 	optionsize = (tcph->doff << 2) - sizeof(struct tcphdr);  in i40iw_handle_synack_pkt()
2656 	inc_sequence = ntohl(tcph->seq);  in i40iw_handle_synack_pkt()
2661 		if (i40iw_check_syn(cm_node, tcph)) {  in i40iw_handle_synack_pkt()
2665 		cm_node->tcp_cntxt.rem_ack_num = ntohl(tcph->ack_seq);  in i40iw_handle_synack_pkt()
2667 		ret = i40iw_handle_tcp_options(cm_node, tcph, optionsize, 0);  in i40iw_handle_synack_pkt()
2692 		cm_node->tcp_cntxt.loc_seq_num = ntohl(tcph->ack_seq);  in i40iw_handle_synack_pkt()
2698 		cm_node->tcp_cntxt.loc_seq_num = ntohl(tcph->ack_seq);  in i40iw_handle_synack_pkt()
2724 	struct tcphdr *tcph = (struct tcphdr *)rbuf->tcph;  in i40iw_handle_ack_pkt()  local
2730 	optionsize = (tcph->doff << 2) - sizeof(struct tcphdr);  in i40iw_handle_ack_pkt()
2732 	if (i40iw_check_seq(cm_node, tcph))  in i40iw_handle_ack_pkt()
2735 	inc_sequence = ntohl(tcph->seq);  in i40iw_handle_ack_pkt()
2739 		ret = i40iw_handle_tcp_options(cm_node, tcph, optionsize, 1);  in i40iw_handle_ack_pkt()
2742 		cm_node->tcp_cntxt.rem_ack_num = ntohl(tcph->ack_seq);  in i40iw_handle_ack_pkt()
2757 		cm_node->tcp_cntxt.rem_ack_num = ntohl(tcph->ack_seq);  in i40iw_handle_ack_pkt()
2809 	struct tcphdr *tcph = (struct tcphdr *)rbuf->tcph;  in i40iw_process_packet()  local
2813 	if (tcph->rst) {  in i40iw_process_packet()
2815 	} else if (tcph->syn) {  in i40iw_process_packet()
2817 		if (tcph->ack)  in i40iw_process_packet()
2819 	} else if (tcph->ack) {  in i40iw_process_packet()
2822 	if (tcph->fin)  in i40iw_process_packet()
2842 		    (!i40iw_check_seq(cm_node, (struct tcphdr *)rbuf->tcph)))  in i40iw_process_packet()
3129 	struct tcphdr *tcph;  in i40iw_receive_ilq()  local
3160 	tcph = (struct tcphdr *)rbuf->tcph;  in i40iw_receive_ilq()
3176 	cm_info.loc_port = ntohs(tcph->dest);  in i40iw_receive_ilq()
3177 	cm_info.rem_port = ntohs(tcph->source);  in i40iw_receive_ilq()
3189 		if (!tcph->syn || tcph->ack)  in i40iw_receive_ilq()
3215 		if (!tcph->rst && !tcph->fin) {  in i40iw_receive_ilq()