1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 NetXen, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 #include <sys/types.h> 26 #include <sys/conf.h> 27 #include <sys/debug.h> 28 #include <sys/stropts.h> 29 #include <sys/stream.h> 30 #include <sys/strlog.h> 31 #include <sys/kmem.h> 32 #include <sys/stat.h> 33 #include <sys/kstat.h> 34 #include <sys/vtrace.h> 35 #include <sys/dlpi.h> 36 #include <sys/strsun.h> 37 #include <sys/ethernet.h> 38 #include <sys/modctl.h> 39 #include <sys/errno.h> 40 #include <sys/dditypes.h> 41 #include <sys/ddi.h> 42 #include <sys/sunddi.h> 43 #include <sys/sysmacros.h> 44 45 #include <sys/pci.h> 46 47 #include "unm_nic.h" 48 #include "unm_nic_hw.h" 49 #include "nic_cmn.h" 50 #include "nic_phan_reg.h" 51 52 static void 53 unm_nic_isr_other(struct unm_adapter_s *adapter) 54 { 55 u32 portno = adapter->portnum; 56 u32 val, linkup, qg_linksup = adapter->ahw.linkup; 57 58 UNM_READ_LOCK(&adapter->adapter_lock); 59 adapter->unm_nic_hw_read_wx(adapter, CRB_XG_STATE, &val, 4); 60 UNM_READ_UNLOCK(&adapter->adapter_lock); 61 62 linkup = 1 & (val >> adapter->physical_port); 63 adapter->ahw.linkup = linkup; 64 65 if (linkup != qg_linksup) { 66 cmn_err(CE_WARN, "%s: PORT %d link %s\n", unm_nic_driver_name, 67 portno, ((linkup == 0) ? "down" : "up")); 68 mac_link_update(adapter->mach, linkup); 69 if (linkup) 70 unm_nic_set_link_parameters(adapter); 71 } 72 } 73 74 void 75 unm_nic_handle_phy_intr(struct unm_adapter_s *adapter) 76 { 77 uint32_t val, val1, linkupval; 78 79 switch (adapter->ahw.board_type) { 80 case UNM_NIC_GBE: 81 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { 82 unm_nic_isr_other(adapter); 83 break; 84 } 85 /* FALLTHROUGH */ 86 87 case UNM_NIC_XGBE: 88 /* WINDOW = 1 */ 89 UNM_READ_LOCK(&adapter->adapter_lock); 90 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { 91 adapter->unm_nic_hw_read_wx(adapter, CRB_XG_STATE_P3, 92 &val, 4); 93 val1 = XG_LINK_STATE_P3(adapter->ahw.pci_func, val); 94 linkupval = XG_LINK_UP_P3; 95 } else { 96 adapter->unm_nic_hw_read_wx(adapter, CRB_XG_STATE, 97 &val, 4); 98 val >>= (adapter->portnum * 8); 99 val1 = val & 0xff; 100 linkupval = XG_LINK_UP; 101 } 102 UNM_READ_UNLOCK(&adapter->adapter_lock); 103 104 if (adapter->ahw.linkup && (val1 != linkupval)) { 105 if (verbmsg != 0) 106 cmn_err(CE_NOTE, "%s%d: NIC Link is down\n", 107 adapter->name, adapter->portnum); 108 mac_link_update(adapter->mach, LINK_STATE_DOWN); 109 adapter->ahw.linkup = 0; 110 } else if ((adapter->ahw.linkup == 0) && (val1 == linkupval)) { 111 if (verbmsg != 0) 112 cmn_err(CE_NOTE, "%s%d: NIC Link is up\n", 113 adapter->name, adapter->portnum); 114 mac_link_update(adapter->mach, LINK_STATE_UP); 115 adapter->ahw.linkup = 1; 116 117 if (adapter->ahw.board_type == UNM_NIC_GBE) 118 unm_nic_set_link_parameters(adapter); 119 } 120 121 break; 122 123 default: 124 DPRINTF(0, (CE_WARN, "%s%d ISR: Unknown board type\n", 125 unm_nic_driver_name, adapter->portnum)); 126 } 127 } 128