151 	txsd->tx_credits = howmany(flowclen, 16);  in send_flowc_wr()
153 	KASSERT(toep->tx_credits >= txsd->tx_credits && toep->txsd_avail > 0,  in send_flowc_wr()
154 	    ("%s: not enough credits (%d)", __func__, toep->tx_credits));  in send_flowc_wr()
155 	toep->tx_credits -= txsd->tx_credits;  in send_flowc_wr()
196 		if (toep->tx_credits < flowclen16 || toep->txsd_avail == 0 ||  in update_tx_rate_limit()
218 		txsd->tx_credits = flowclen16;  in update_tx_rate_limit()
220 		toep->tx_credits -= txsd->tx_credits;  in update_tx_rate_limit()
496 max_imm_payload(int tx_credits, int iso)  in max_imm_payload()  argument
501 	KASSERT(tx_credits >= 0 &&  in max_imm_payload()
502 		tx_credits <= MAX_OFLD_TX_CREDITS,  in max_imm_payload()
503 		("%s: %d credits", __func__, tx_credits));  in max_imm_payload()
505 	if (tx_credits < MIN_TX_CREDITS(iso))  in max_imm_payload()
508 	if (tx_credits >= (n * EQ_ESIZE) / 16)  in max_imm_payload()
512 		return (tx_credits * 16 - sizeof(struct fw_ofld_tx_data_wr) -  in max_imm_payload()
518 max_dsgl_nsegs(int tx_credits, int iso)  in max_dsgl_nsegs()  argument
521 	int sge_pair_credits = tx_credits - MIN_TX_CREDITS(iso);  in max_dsgl_nsegs()
523 	KASSERT(tx_credits >= 0 &&  in max_dsgl_nsegs()
524 		tx_credits <= MAX_OFLD_TX_CREDITS,  in max_dsgl_nsegs()
525 		("%s: %d credits", __func__, tx_credits));  in max_dsgl_nsegs()
527 	if (tx_credits < MIN_TX_CREDITS(iso))  in max_dsgl_nsegs()
647 	int tx_credits, shove, compl, sowwakeup;  in t4_push_frames()  local
687 		tx_credits = min(toep->tx_credits, MAX_OFLD_TX_CREDITS);  in t4_push_frames()
688 		max_imm = max_imm_payload(tx_credits, 0);  in t4_push_frames()
689 		max_nsegs = max_dsgl_nsegs(tx_credits, 0);  in t4_push_frames()
844 		KASSERT(toep->tx_credits >= credits,  in t4_push_frames()
847 		toep->tx_credits -= credits;  in t4_push_frames()
850 		if (toep->tx_credits <= toep->tx_total * 3 / 8 &&  in t4_push_frames()
869 		if (toep->tx_credits < MIN_OFLD_TX_CREDITS)  in t4_push_frames()
874 		txsd->tx_credits = credits;  in t4_push_frames()
971 	int tx_credits, shove, npdu, wr_len;  in write_iscsi_mbuf_wr()  local
978 	tx_credits = min(toep->tx_credits, MAX_OFLD_TX_CREDITS);  in write_iscsi_mbuf_wr()
983 		if (plen > tx_credits * 16)  in write_iscsi_mbuf_wr()
995 	max_imm = max_imm_payload(tx_credits, iso);  in write_iscsi_mbuf_wr()
996 	max_nsegs = max_dsgl_nsegs(tx_credits, iso);  in write_iscsi_mbuf_wr()
1101 	KASSERT(toep->tx_credits >= credits,  in write_iscsi_mbuf_wr()
1105 		toep->tx_credits, tx_credits, nsegs, max_nsegs, iso));  in write_iscsi_mbuf_wr()
1186 		KASSERT(toep->tx_credits >= credits,  in t4_push_pdus()
1193 		toep->tx_credits -= credits;  in t4_push_pdus()
1201 		if (toep->tx_credits <= SGE_MAX_WR_LEN * 5 / 4 &&  in t4_push_pdus()
1210 		if (toep->tx_credits < MIN_OFLD_TX_CREDITS)  in t4_push_pdus()
1215 		txsd->tx_credits = credits;  in t4_push_pdus()
1876 		KASSERT(credits >= txsd->tx_credits,  in do_fw4_ack()
1878 		credits -= txsd->tx_credits;  in do_fw4_ack()
1879 		toep->tx_credits += txsd->tx_credits;  in do_fw4_ack()
1891 	if (toep->tx_credits == toep->tx_total) {  in do_fw4_ack()
1897 	    toep->tx_credits >= toep->tx_total / 4) {  in do_fw4_ack()
1972 		txsd->tx_credits = howmany(sizeof(*req), 16);  in t4_set_tcb_field()
1974 		KASSERT(toep->tx_credits >= txsd->tx_credits &&  in t4_set_tcb_field()
1977 		    toep->tx_credits));  in t4_set_tcb_field()
1978 		toep->tx_credits -= txsd->tx_credits;  in t4_set_tcb_field()