fc_exch.c (bd072111e7319d90a7b8127f91c2806b9a6f279e) fc_exch.c (a0cc1ecc098e31d03b3265712a3e280a7fabf438)
1/*
2 * Copyright(c) 2007 Intel Corporation. All rights reserved.
3 * Copyright(c) 2008 Red Hat, Inc. All rights reserved.
4 * Copyright(c) 2008 Mike Christie
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.

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410
411 spin_lock_bh(&ep->ex_lock);
412 if (ep->state & (FC_EX_RST_CLEANUP | FC_EX_DONE))
413 goto unlock;
414
415 e_stat = ep->esb_stat;
416 if (e_stat & ESB_ST_COMPLETE) {
417 ep->esb_stat = e_stat & ~ESB_ST_REC_QUAL;
1/*
2 * Copyright(c) 2007 Intel Corporation. All rights reserved.
3 * Copyright(c) 2008 Red Hat, Inc. All rights reserved.
4 * Copyright(c) 2008 Mike Christie
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.

--- 401 unchanged lines hidden (view full) ---

410
411 spin_lock_bh(&ep->ex_lock);
412 if (ep->state & (FC_EX_RST_CLEANUP | FC_EX_DONE))
413 goto unlock;
414
415 e_stat = ep->esb_stat;
416 if (e_stat & ESB_ST_COMPLETE) {
417 ep->esb_stat = e_stat & ~ESB_ST_REC_QUAL;
418 spin_unlock_bh(&ep->ex_lock);
418 if (e_stat & ESB_ST_REC_QUAL)
419 fc_exch_rrq(ep);
419 if (e_stat & ESB_ST_REC_QUAL)
420 fc_exch_rrq(ep);
420 spin_unlock_bh(&ep->ex_lock);
421 goto done;
422 } else {
423 resp = ep->resp;
424 arg = ep->arg;
425 ep->resp = NULL;
426 if (e_stat & ESB_ST_ABNORMAL)
427 rc = fc_exch_done_locked(ep);
428 spin_unlock_bh(&ep->ex_lock);

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1619 * This tells the remote port to stop blocking the use of
1620 * the exchange and the seq_cnt range.
1621 */
1622static void fc_exch_rrq(struct fc_exch *ep)
1623{
1624 struct fc_lport *lp;
1625 struct fc_els_rrq *rrq;
1626 struct fc_frame *fp;
421 goto done;
422 } else {
423 resp = ep->resp;
424 arg = ep->arg;
425 ep->resp = NULL;
426 if (e_stat & ESB_ST_ABNORMAL)
427 rc = fc_exch_done_locked(ep);
428 spin_unlock_bh(&ep->ex_lock);

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1619 * This tells the remote port to stop blocking the use of
1620 * the exchange and the seq_cnt range.
1621 */
1622static void fc_exch_rrq(struct fc_exch *ep)
1623{
1624 struct fc_lport *lp;
1625 struct fc_els_rrq *rrq;
1626 struct fc_frame *fp;
1627 struct fc_seq *rrq_sp;
1628 u32 did;
1629
1630 lp = ep->lp;
1631
1632 fp = fc_frame_alloc(lp, sizeof(*rrq));
1633 if (!fp)
1627 u32 did;
1628
1629 lp = ep->lp;
1630
1631 fp = fc_frame_alloc(lp, sizeof(*rrq));
1632 if (!fp)
1634 return;
1633 goto retry;
1634
1635 rrq = fc_frame_payload_get(fp, sizeof(*rrq));
1636 memset(rrq, 0, sizeof(*rrq));
1637 rrq->rrq_cmd = ELS_RRQ;
1638 hton24(rrq->rrq_s_id, ep->sid);
1639 rrq->rrq_ox_id = htons(ep->oxid);
1640 rrq->rrq_rx_id = htons(ep->rxid);
1641
1642 did = ep->did;
1643 if (ep->esb_stat & ESB_ST_RESP)
1644 did = ep->sid;
1645
1646 fc_fill_fc_hdr(fp, FC_RCTL_ELS_REQ, did,
1647 fc_host_port_id(lp->host), FC_TYPE_ELS,
1648 FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
1649
1635 rrq = fc_frame_payload_get(fp, sizeof(*rrq));
1636 memset(rrq, 0, sizeof(*rrq));
1637 rrq->rrq_cmd = ELS_RRQ;
1638 hton24(rrq->rrq_s_id, ep->sid);
1639 rrq->rrq_ox_id = htons(ep->oxid);
1640 rrq->rrq_rx_id = htons(ep->rxid);
1641
1642 did = ep->did;
1643 if (ep->esb_stat & ESB_ST_RESP)
1644 did = ep->sid;
1645
1646 fc_fill_fc_hdr(fp, FC_RCTL_ELS_REQ, did,
1647 fc_host_port_id(lp->host), FC_TYPE_ELS,
1648 FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
1649
1650 rrq_sp = fc_exch_seq_send(lp, fp, fc_exch_rrq_resp, NULL, ep,
1651 lp->e_d_tov);
1652 if (!rrq_sp) {
1653 ep->esb_stat |= ESB_ST_REC_QUAL;
1654 fc_exch_timer_set_locked(ep, ep->r_a_tov);
1650 if (fc_exch_seq_send(lp, fp, fc_exch_rrq_resp, NULL, ep, lp->e_d_tov))
1655 return;
1651 return;
1652
1653retry:
1654 spin_lock_bh(&ep->ex_lock);
1655 if (ep->state & (FC_EX_RST_CLEANUP | FC_EX_DONE)) {
1656 spin_unlock_bh(&ep->ex_lock);
1657 /* drop hold for rec qual */
1658 fc_exch_release(ep);
1659 return;
1656 }
1660 }
1661 ep->esb_stat |= ESB_ST_REC_QUAL;
1662 fc_exch_timer_set_locked(ep, ep->r_a_tov);
1663 spin_unlock_bh(&ep->ex_lock);
1657}
1658
1659
1660/*
1661 * Handle incoming ELS RRQ - Reset Recovery Qualifier.
1662 */
1663static void fc_exch_els_rrq(struct fc_seq *sp, struct fc_frame *fp)
1664{

--- 290 unchanged lines hidden --- 		1664}
1665
1666
1667/*
1668 * Handle incoming ELS RRQ - Reset Recovery Qualifier.
1669 */
1670static void fc_exch_els_rrq(struct fc_seq *sp, struct fc_frame *fp)
1671{

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