423 	struct fc_frame *fp;  in fc_fcp_frame_alloc()  local
425 	fp = fc_frame_alloc(lport, len);  in fc_fcp_frame_alloc()
426 	if (likely(fp))  in fc_fcp_frame_alloc()
427 		return fp;  in fc_fcp_frame_alloc()
441 static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp)  in fc_fcp_recv_data()  argument
457 	fh = fc_frame_header_get(fp);  in fc_fcp_recv_data()
460 	len = fr_len(fp) - sizeof(*fh);  in fc_fcp_recv_data()
461 	buf = fc_frame_payload_get(fp, 0);  in fc_fcp_recv_data()
478 		if ((fr_flags(fp) & FCPHF_CRC_UNCHECKED) &&  in fc_fcp_recv_data()
479 		    fc_frame_crc_check(fp))  in fc_fcp_recv_data()
494 	if (!(fr_flags(fp) & FCPHF_CRC_UNCHECKED)) {  in fc_fcp_recv_data()
501 		buf = fc_frame_payload_get(fp, 0);  in fc_fcp_recv_data()
505 		if (~crc != le32_to_cpu(fr_crc(fp))) {  in fc_fcp_recv_data()
565 	struct fc_frame *fp = NULL;  in fc_fcp_send_data()  local
624 		if (!fp) {  in fc_fcp_send_data()
634 			fp = fc_frame_alloc(lport, using_sg ? 0 : tlen);  in fc_fcp_send_data()
635 			if (!fp)  in fc_fcp_send_data()
638 			data = fc_frame_header_get(fp) + 1;  in fc_fcp_send_data()
640 			fr_max_payload(fp) = fsp->max_payload;  in fc_fcp_send_data()
650 			skb_fill_page_desc(fp_skb(fp),  in fc_fcp_send_data()
651 					   skb_shinfo(fp_skb(fp))->nr_frags,  in fc_fcp_send_data()
653 			fp_skb(fp)->data_len += sg_bytes;  in fc_fcp_send_data()
654 			fr_len(fp) += sg_bytes;  in fc_fcp_send_data()
655 			fp_skb(fp)->truesize += PAGE_SIZE;  in fc_fcp_send_data()
672 		if ((skb_shinfo(fp_skb(fp))->nr_frags < FC_FRAME_SG_LEN) &&  in fc_fcp_send_data()
684 		fc_fill_fc_hdr(fp, FC_RCTL_DD_SOL_DATA, ep->did, ep->sid,  in fc_fcp_send_data()
690 		error = lport->tt.seq_send(lport, seq, fp);  in fc_fcp_send_data()
695 		fp = NULL;  in fc_fcp_send_data()
706 static void fc_fcp_abts_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp)  in fc_fcp_abts_resp()  argument
712 	fh = fc_frame_header_get(fp);  in fc_fcp_abts_resp()
717 		brp = fc_frame_payload_get(fp, sizeof(*brp));  in fc_fcp_abts_resp()
750 static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg)  in fc_fcp_recv()  argument
759 	if (IS_ERR(fp)) {  in fc_fcp_recv()
760 		fc_fcp_error(fsp, fp);  in fc_fcp_recv()
764 	fh = fc_frame_header_get(fp);  in fc_fcp_recv()
773 		fc_fcp_abts_resp(fsp, fp);  in fc_fcp_recv()
785 		WARN_ON(fr_flags(fp) & FCPHF_CRC_UNCHECKED);  in fc_fcp_recv()
786 		dd = fc_frame_payload_get(fp, sizeof(*dd));  in fc_fcp_recv()
799 		WARN_ON(fr_len(fp) < sizeof(*fh));	/* len may be 0 */  in fc_fcp_recv()
800 		fc_fcp_recv_data(fsp, fp);  in fc_fcp_recv()
803 		WARN_ON(fr_flags(fp) & FCPHF_CRC_UNCHECKED);  in fc_fcp_recv()
805 		fc_fcp_resp(fsp, fp);  in fc_fcp_recv()
812 	fc_frame_free(fp);  in fc_fcp_recv()
820 static void fc_fcp_resp(struct fc_fcp_pkt *fsp, struct fc_frame *fp)  in fc_fcp_resp()  argument
832 	plen = fr_len(fp);  in fc_fcp_resp()
833 	fh = (struct fc_frame_header *)fr_hdr(fp);  in fc_fcp_resp()
927 		   "snsl %u\n", flags, fr_len(fp), respl, snsl);  in fc_fcp_resp()
1139 					struct fc_frame *fp,  in fc_fcp_cmd_send()  argument
1142 	struct fc_frame *fp;  in fc_fcp_cmd_send()  local
1152 	fp = fc_fcp_frame_alloc(lport, sizeof(fsp->cdb_cmd));  in fc_fcp_cmd_send()
1153 	if (!fp) {  in fc_fcp_cmd_send()
1158 	memcpy(fc_frame_payload_get(fp, len), &fsp->cdb_cmd, len);  in fc_fcp_cmd_send()
1159 	fr_fsp(fp) = fsp;  in fc_fcp_cmd_send()
1164 	fc_fill_fc_hdr(fp, FC_RCTL_DD_UNSOL_CMD, rport->port_id,  in fc_fcp_cmd_send()
1168 	seq = lport->tt.exch_seq_send(lport, fp, resp, fc_fcp_pkt_destroy,  in fc_fcp_cmd_send()
1191 static void fc_fcp_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)  in fc_fcp_error()  argument
1193 	int error = PTR_ERR(fp);  in fc_fcp_error()
1330 static void fc_tm_done(struct fc_seq *seq, struct fc_frame *fp, void *arg)  in fc_tm_done()  argument
1335 	if (IS_ERR(fp)) {  in fc_tm_done()
1354 	fh = fc_frame_header_get(fp);  in fc_tm_done()
1356 		fc_fcp_resp(fsp, fp);  in fc_tm_done()
1362 	fc_frame_free(fp);  in fc_tm_done()
1417 	struct fc_frame *fp;  in fc_fcp_rec()  local
1431 	fp = fc_fcp_frame_alloc(lport, sizeof(struct fc_els_rec));  in fc_fcp_rec()
1432 	if (!fp)  in fc_fcp_rec()
1435 	fr_seq(fp) = fsp->seq_ptr;  in fc_fcp_rec()
1436 	fc_fill_fc_hdr(fp, FC_RCTL_ELS_REQ, rport->port_id,  in fc_fcp_rec()
1439 	if (lport->tt.elsct_send(lport, rport->port_id, fp, ELS_REC,  in fc_fcp_rec()
1463 static void fc_fcp_rec_resp(struct fc_seq *seq, struct fc_frame *fp, void *arg)  in fc_fcp_rec_resp()  argument
1475 	if (IS_ERR(fp)) {  in fc_fcp_rec_resp()
1476 		fc_fcp_rec_error(fsp, fp);  in fc_fcp_rec_resp()
1484 	opcode = fc_frame_payload_op(fp);  in fc_fcp_rec_resp()
1486 		rjt = fc_frame_payload_get(fp, sizeof(*rjt));  in fc_fcp_rec_resp()
1525 		recp = fc_frame_payload_get(fp, sizeof(*recp));  in fc_fcp_rec_resp()
1594 	fc_frame_free(fp);  in fc_fcp_rec_resp()
1602 static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)  in fc_fcp_rec_error()  argument
1604 	int error = PTR_ERR(fp);  in fc_fcp_rec_error()
1670 	struct fc_frame *fp;  in fc_fcp_srr()  local
1679 	fp = fc_fcp_frame_alloc(lport, sizeof(*srr));  in fc_fcp_srr()
1680 	if (!fp)  in fc_fcp_srr()
1683 	srr = fc_frame_payload_get(fp, sizeof(*srr));  in fc_fcp_srr()
1691 	fc_fill_fc_hdr(fp, FC_RCTL_ELS4_REQ, rport->port_id,  in fc_fcp_srr()
1696 	seq = lport->tt.exch_seq_send(lport, fp, fc_fcp_srr_resp,  in fc_fcp_srr()
1718 static void fc_fcp_srr_resp(struct fc_seq *seq, struct fc_frame *fp, void *arg)  in fc_fcp_srr_resp()  argument
1723 	if (IS_ERR(fp)) {  in fc_fcp_srr_resp()
1724 		fc_fcp_srr_error(fsp, fp);  in fc_fcp_srr_resp()
1731 	fh = fc_frame_header_get(fp);  in fc_fcp_srr_resp()
1744 	switch (fc_frame_payload_op(fp)) {  in fc_fcp_srr_resp()
1757 	fc_frame_free(fp);  in fc_fcp_srr_resp()
1765 static void fc_fcp_srr_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)  in fc_fcp_srr_error()  argument
1769 	switch (PTR_ERR(fp)) {  in fc_fcp_srr_error()