scsi/bnx2fc/bnx2fc_fcoe.c

76 static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev);
77 static int bnx2fc_lport_config(struct fc_lport *lport);
78 static int bnx2fc_em_config(struct fc_lport *lport, struct bnx2fc_hba *hba);
96 static void bnx2fc_port_shutdown(struct fc_lport *lport);
108 		"\t\t0x04 - lport events, link, mtu, etc.\n"
133 static inline struct net_device *bnx2fc_netdev(const struct fc_lport *lport)
136 		((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
179 static void bnx2fc_abort_io(struct fc_lport *lport)
189 static void bnx2fc_cleanup(struct fc_lport *lport)
191 	struct fcoe_port *port = lport_priv(lport);
261  * @lport:	the associated local port
264 static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
281 	port = (struct fcoe_port *)lport_priv(lport);
289 	if (!lport->link_up) {
290 		BNX2FC_HBA_DBG(lport, "bnx2fc_xmit link down\n");
297 			BNX2FC_HBA_DBG(lport, "FCF not selected yet!\n");
301 		if (fcoe_ctlr_els_send(ctlr, lport, skb))
322 		BNX2FC_HBA_DBG(lport, "xmit: Frame is for offloaded session "
392 	if (lport->seq_offload && fr_max_payload(fp)) {
401 	this_cpu_inc(lport->stats->TxFrames);
402 	this_cpu_add(lport->stats->TxWords, wlen);
405 	fr_dev(fp) = lport;
407 		fcoe_check_wait_queue(lport, skb);
409 		fcoe_check_wait_queue(lport, skb);
427 	struct fc_lport *lport;
436 	lport = ctlr->lp;
438 	if (unlikely(lport == NULL)) {
439 		printk(KERN_ERR PFX "bnx2fc_rcv: lport is NULL\n");
463 	fr->fr_dev = lport;
507 	struct fc_lport *lport;
521 	lport = fr->fr_dev;
522 	if (unlikely(lport == NULL)) {
523 		printk(KERN_ERR PFX "Invalid lport struct\n");
539 	this_cpu_inc(lport->stats->RxFrames);
540 	this_cpu_add(lport->stats->RxWords, fr_len / FCOE_WORD_TO_BYTE);
544 	fr_dev(fp) = lport;
557 	phys_port = lport_priv(lport);
564 		BNX2FC_HBA_DBG(lport, "FC frame d_id mismatch with MAC %pM.\n",
570 	vn_port = fc_vport_id_lookup(lport, ntoh24(fh->fh_d_id));
574 			BNX2FC_HBA_DBG(lport, "fpma mismatch\n");
581 			BNX2FC_HBA_DBG(lport, "Wrong source address: mac:%pM dest_addr:%pM.\n",
614 	 * have on record for lport and the search for a NPIV port came up
617 	if (lport->port_id != ntoh24(fh->fh_d_id) && !vn_port) {
618 		BNX2FC_HBA_DBG(lport, "Dropping frame due to destination mismatch: lport->port_id=%x fh->d_id=%x.\n",
619 		    lport->port_id, ntoh24(fh->fh_d_id));
627 		crc_err = this_cpu_inc_return(lport->stats->InvalidCRCCount);
634 	fc_exch_recv(lport, fp);
679 	struct fc_lport *lport = shost_priv(shost);
680 	struct fcoe_port *port = lport_priv(lport);
699 		BNX2FC_HBA_DBG(lport, "FW stat req timed out\n");
728 static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev)
730 	struct fcoe_port *port = lport_priv(lport);
733 	struct Scsi_Host *shost = lport->host;
740 	if (lport->vport)
746 	rc = scsi_add_host(lport->host, dev);
751 	if (!lport->vport)
752 		fc_host_max_npiv_vports(lport->host) = USHRT_MAX;
753 	snprintf(fc_host_symbolic_name(lport->host), 256,
761 static int bnx2fc_link_ok(struct fc_lport *lport)
763 	struct fcoe_port *port = lport_priv(lport);
793 static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev)
801 	port = lport_priv(lport);
811 	if (fc_set_mfs(lport, BNX2FC_MFS))
818 	fcoe_link_speed_update(lport);
820 	if (!lport->vport) {
824 		BNX2FC_HBA_DBG(lport, "WWNN = 0x%llx\n", wwnn);
825 		fc_set_wwnn(lport, wwnn);
831 		BNX2FC_HBA_DBG(lport, "WWPN = 0x%llx\n", wwpn);
832 		fc_set_wwpn(lport, wwpn);
863 	struct fc_lport *lport;
917 		lport = ctlr->lp;
918 		BNX2FC_HBA_DBG(lport, "netevent handler - event=%s %ld\n",
921 		fcoe_link_speed_update(lport);
925 		if (link_possible && !bnx2fc_link_ok(lport)) {
933 				fc_set_mfs(lport, BNX2FC_MFS);
949 				mutex_lock(&lport->lp_mutex);
950 				list_for_each_entry(vport, &lport->vports, list)
953 				mutex_unlock(&lport->lp_mutex);
954 				fc_host_port_type(lport->host) =
956 				this_cpu_inc(lport->stats->LinkFailureCount);
957 				fcoe_clean_pending_queue(lport);
982 static int bnx2fc_libfc_config(struct fc_lport *lport)
986 	memcpy(&lport->tt, &bnx2fc_libfc_fcn_templ,
988 	fc_elsct_init(lport);
989 	fc_exch_init(lport);
990 	fc_disc_init(lport);
991 	fc_disc_config(lport, lport);
995 static int bnx2fc_em_config(struct fc_lport *lport, struct bnx2fc_hba *hba)
1004 	if (!fc_exch_mgr_alloc(lport, FC_CLASS_3, fcoe_min_xid,
1013 static int bnx2fc_lport_config(struct fc_lport *lport)
1015 	lport->link_up = 0;
1016 	lport->qfull = 0;
1017 	lport->max_retry_count = BNX2FC_MAX_RETRY_CNT;
1018 	lport->max_rport_retry_count = BNX2FC_MAX_RPORT_RETRY_CNT;
1019 	lport->e_d_tov = 2 * 1000;
1020 	lport->r_a_tov = 10 * 1000;
1022 	lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
1024 	lport->does_npiv = 1;
1026 	memset(&lport->rnid_gen, 0, sizeof(struct fc_els_rnid_gen));
1027 	lport->rnid_gen.rnid_atype = BNX2FC_RNID_HBA;
1030 	if (fc_lport_init_stats(lport))
1034 	fc_lport_config(lport);
1065  * @lport: The local port
1071 static void bnx2fc_update_src_mac(struct fc_lport *lport, u8 *addr)
1073 	struct fcoe_port *port = lport_priv(lport);
1079  * bnx2fc_get_src_mac - return the ethernet source address for an lport
1081  * @lport: libfc port
1083 static u8 *bnx2fc_get_src_mac(struct fc_lport *lport)
1087 	port = (struct fcoe_port *)lport_priv(lport);
1168 static void bnx2fc_free_vport(struct bnx2fc_hba *hba, struct fc_lport *lport)
1174 		if (blport->lport == lport) {
1205 	bnx2fc_free_vport(interface->hba, port->lport);
1206 	bnx2fc_port_shutdown(port->lport);
1214 	struct fc_lport *lport = vport->dd_data;
1218 		fc_fabric_logoff(lport);
1220 		lport->boot_time = jiffies;
1221 		fc_fabric_login(lport);
1222 		fc_vport_setlink(lport);
1487 	struct fc_lport		*lport, *n_port;
1504 		lport = libfc_host_alloc(&bnx2fc_shost_template, sizeof(*port));
1506 		lport = libfc_vport_create(vport, sizeof(*port));
1508 	if (!lport) {
1512 	shost = lport->host;
1513 	port = lport_priv(lport);
1514 	port->lport = lport;
1519 	rc = bnx2fc_lport_config(lport);
1526 		fc_set_wwnn(lport, vport->node_name);
1527 		fc_set_wwpn(lport, vport->port_name);
1529 	/* Configure netdev and networking properties of the lport */
1530 	rc = bnx2fc_net_config(lport, interface->netdev);
1536 	rc = bnx2fc_shost_config(lport, parent);
1544 	rc = bnx2fc_libfc_config(lport);
1549 	fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
1556 		rc = bnx2fc_em_config(lport, hba);
1560 		rc = fc_exch_mgr_list_clone(n_port, lport);
1571 	blport->lport = lport;
1575 	return lport;
1580 	scsi_host_put(lport->host);
1597 	struct fc_lport *lport = ctlr->lp;
1598 	struct fcoe_port *port = lport_priv(lport);
1605 	fcoe_clean_pending_queue(lport);
1609 	bnx2fc_free_vport(hba, lport);
1612 static void bnx2fc_if_destroy(struct fc_lport *lport)
1616 	bnx2fc_clean_rx_queue(lport);
1619 	fc_remove_host(lport->host);
1620 	scsi_remove_host(lport->host);
1623 	 * Note that only the physical lport will have the exchange manager.
1626 	fc_exch_mgr_free(lport);
1629 	fc_lport_free_stats(lport);
1632 	scsi_host_put(lport->host);
1638 	struct fc_lport *lport = ctlr->lp;
1639 	struct fcoe_port *port = lport_priv(lport);
1671 		printk(KERN_ERR PFX "bnx2fc_destroy: interface or lport not found\n");
1687 	struct fc_lport *lport;
1689 	lport = port->lport;
1690 	BNX2FC_HBA_DBG(lport, "Entered %s, destroying lport %p\n", __func__, lport);
1692 	bnx2fc_if_destroy(lport);
1827 	struct fc_lport *lport;
1839 			lport = ctlr->lp;
1842 			lport->tt.frame_send = bnx2fc_xmit;
1850 static void bnx2fc_port_shutdown(struct fc_lport *lport)
1853 	fc_fabric_logoff(lport);
1854 	fc_lport_destroy(lport);
1860 	struct fc_lport *lport;
1866 	lport = ctlr->lp;
1867 	bnx2fc_port_shutdown(lport);
1869 	mutex_lock(&lport->lp_mutex);
1870 	list_for_each_entry(vport, &lport->vports, list)
1873 	mutex_unlock(&lport->lp_mutex);
1874 	fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
1876 	fcoe_clean_pending_queue(lport);
1987 	struct fc_lport *lport;
1997 	lport = ctlr->lp;
1998 	BNX2FC_HBA_DBG(lport, "calling fc_fabric_login\n");
2000 	if (!bnx2fc_link_ok(lport) && interface->enabled) {
2001 		BNX2FC_HBA_DBG(lport, "ctlr_link_up\n");
2003 		fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
2016 	if (fc_set_mfs(lport, BNX2FC_MFS))
2019 	fc_lport_init(lport);
2020 	fc_fabric_login(lport);
2078 			pr_err(PFX "__bnx2fc_disable: lport not found\n");
2115 static uint bnx2fc_npiv_create_vports(struct fc_lport *lport,
2125 		BNX2FC_HBA_DBG(lport, "Exceeded count max of npiv table\n");
2132 		BNX2FC_HBA_DBG(lport, "First NPIV table entries invalid.\n");
2147 			wwnn = lport->wwnn;
2156 		BNX2FC_HBA_DBG(lport, "Creating vport %s:%s.\n", wwnn_str,
2158 		if (fc_vport_create(lport->host, 0, &vpid))
2161 			BNX2FC_HBA_DBG(lport, "Failed to create vport\n");
2172 	struct fc_lport *lport;
2176 			pr_err(PFX "__bnx2fc_enable: lport not found\n");
2186 	lport = ctlr->lp;
2194 	if (!lport)
2197 	if (!lport->host)
2210 	bnx2fc_npiv_create_vports(lport, npiv_tbl);
2297 	struct fc_lport *lport;
2374 	lport = bnx2fc_if_create(interface, &cdev->dev, 0);
2375 	if (!lport) {
2385 	lport->boot_time = jiffies;
2388 	ctlr->lp = lport;
2396 	    !bnx2fc_link_ok(lport)) {
2398 		fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
2402 	BNX2FC_HBA_DBG(lport, "create: START DISC\n");
2410 	 * lport should be holding a reference taken in bnx2fc_if_create
2565 	struct fc_lport *lport = shost_priv(shost);
2566 	fc_lport_reset(lport);
2902 	struct fc_lport *lport = shost_priv(shost);
2903 	struct fcoe_port *port = lport_priv(lport);
2915 	struct fc_lport *lport = shost_priv(shost);
2916 	struct fcoe_port *port = lport_priv(lport);