2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2016 Nicole Graziano <nicole@nextbsd.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <machine/_inttypes.h>
34 #define em_mac_min e1000_82547
35 #define igb_mac_min e1000_82575
37 /*********************************************************************
39 *********************************************************************/
40 char em_driver_version[] = "7.6.1-k";
42 /*********************************************************************
45 * Used by probe to select devices to load on
46 * Last field stores an index into e1000_strings
47 * Last entry must be all 0s
49 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index }
50 *********************************************************************/
52 static pci_vendor_info_t em_vendor_info_array[] =
54 /* Intel(R) PRO/1000 Network Connection - Legacy em*/
55 PVID(0x8086, E1000_DEV_ID_82540EM, "Intel(R) PRO/1000 Network Connection"),
56 PVID(0x8086, E1000_DEV_ID_82540EM_LOM, "Intel(R) PRO/1000 Network Connection"),
57 PVID(0x8086, E1000_DEV_ID_82540EP, "Intel(R) PRO/1000 Network Connection"),
58 PVID(0x8086, E1000_DEV_ID_82540EP_LOM, "Intel(R) PRO/1000 Network Connection"),
59 PVID(0x8086, E1000_DEV_ID_82540EP_LP, "Intel(R) PRO/1000 Network Connection"),
61 PVID(0x8086, E1000_DEV_ID_82541EI, "Intel(R) PRO/1000 Network Connection"),
62 PVID(0x8086, E1000_DEV_ID_82541ER, "Intel(R) PRO/1000 Network Connection"),
63 PVID(0x8086, E1000_DEV_ID_82541ER_LOM, "Intel(R) PRO/1000 Network Connection"),
64 PVID(0x8086, E1000_DEV_ID_82541EI_MOBILE, "Intel(R) PRO/1000 Network Connection"),
65 PVID(0x8086, E1000_DEV_ID_82541GI, "Intel(R) PRO/1000 Network Connection"),
66 PVID(0x8086, E1000_DEV_ID_82541GI_LF, "Intel(R) PRO/1000 Network Connection"),
67 PVID(0x8086, E1000_DEV_ID_82541GI_MOBILE, "Intel(R) PRO/1000 Network Connection"),
69 PVID(0x8086, E1000_DEV_ID_82542, "Intel(R) PRO/1000 Network Connection"),
71 PVID(0x8086, E1000_DEV_ID_82543GC_FIBER, "Intel(R) PRO/1000 Network Connection"),
72 PVID(0x8086, E1000_DEV_ID_82543GC_COPPER, "Intel(R) PRO/1000 Network Connection"),
74 PVID(0x8086, E1000_DEV_ID_82544EI_COPPER, "Intel(R) PRO/1000 Network Connection"),
75 PVID(0x8086, E1000_DEV_ID_82544EI_FIBER, "Intel(R) PRO/1000 Network Connection"),
76 PVID(0x8086, E1000_DEV_ID_82544GC_COPPER, "Intel(R) PRO/1000 Network Connection"),
77 PVID(0x8086, E1000_DEV_ID_82544GC_LOM, "Intel(R) PRO/1000 Network Connection"),
79 PVID(0x8086, E1000_DEV_ID_82545EM_COPPER, "Intel(R) PRO/1000 Network Connection"),
80 PVID(0x8086, E1000_DEV_ID_82545EM_FIBER, "Intel(R) PRO/1000 Network Connection"),
81 PVID(0x8086, E1000_DEV_ID_82545GM_COPPER, "Intel(R) PRO/1000 Network Connection"),
82 PVID(0x8086, E1000_DEV_ID_82545GM_FIBER, "Intel(R) PRO/1000 Network Connection"),
83 PVID(0x8086, E1000_DEV_ID_82545GM_SERDES, "Intel(R) PRO/1000 Network Connection"),
85 PVID(0x8086, E1000_DEV_ID_82546EB_COPPER, "Intel(R) PRO/1000 Network Connection"),
86 PVID(0x8086, E1000_DEV_ID_82546EB_FIBER, "Intel(R) PRO/1000 Network Connection"),
87 PVID(0x8086, E1000_DEV_ID_82546EB_QUAD_COPPER, "Intel(R) PRO/1000 Network Connection"),
88 PVID(0x8086, E1000_DEV_ID_82546GB_COPPER, "Intel(R) PRO/1000 Network Connection"),
89 PVID(0x8086, E1000_DEV_ID_82546GB_FIBER, "Intel(R) PRO/1000 Network Connection"),
90 PVID(0x8086, E1000_DEV_ID_82546GB_SERDES, "Intel(R) PRO/1000 Network Connection"),
91 PVID(0x8086, E1000_DEV_ID_82546GB_PCIE, "Intel(R) PRO/1000 Network Connection"),
92 PVID(0x8086, E1000_DEV_ID_82546GB_QUAD_COPPER, "Intel(R) PRO/1000 Network Connection"),
93 PVID(0x8086, E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3, "Intel(R) PRO/1000 Network Connection"),
95 PVID(0x8086, E1000_DEV_ID_82547EI, "Intel(R) PRO/1000 Network Connection"),
96 PVID(0x8086, E1000_DEV_ID_82547EI_MOBILE, "Intel(R) PRO/1000 Network Connection"),
97 PVID(0x8086, E1000_DEV_ID_82547GI, "Intel(R) PRO/1000 Network Connection"),
99 /* Intel(R) PRO/1000 Network Connection - em */
100 PVID(0x8086, E1000_DEV_ID_82571EB_COPPER, "Intel(R) PRO/1000 Network Connection"),
101 PVID(0x8086, E1000_DEV_ID_82571EB_FIBER, "Intel(R) PRO/1000 Network Connection"),
102 PVID(0x8086, E1000_DEV_ID_82571EB_SERDES, "Intel(R) PRO/1000 Network Connection"),
103 PVID(0x8086, E1000_DEV_ID_82571EB_SERDES_DUAL, "Intel(R) PRO/1000 Network Connection"),
104 PVID(0x8086, E1000_DEV_ID_82571EB_SERDES_QUAD, "Intel(R) PRO/1000 Network Connection"),
105 PVID(0x8086, E1000_DEV_ID_82571EB_QUAD_COPPER, "Intel(R) PRO/1000 Network Connection"),
106 PVID(0x8086, E1000_DEV_ID_82571EB_QUAD_COPPER_LP, "Intel(R) PRO/1000 Network Connection"),
107 PVID(0x8086, E1000_DEV_ID_82571EB_QUAD_FIBER, "Intel(R) PRO/1000 Network Connection"),
108 PVID(0x8086, E1000_DEV_ID_82571PT_QUAD_COPPER, "Intel(R) PRO/1000 Network Connection"),
109 PVID(0x8086, E1000_DEV_ID_82572EI, "Intel(R) PRO/1000 Network Connection"),
110 PVID(0x8086, E1000_DEV_ID_82572EI_COPPER, "Intel(R) PRO/1000 Network Connection"),
111 PVID(0x8086, E1000_DEV_ID_82572EI_FIBER, "Intel(R) PRO/1000 Network Connection"),
112 PVID(0x8086, E1000_DEV_ID_82572EI_SERDES, "Intel(R) PRO/1000 Network Connection"),
113 PVID(0x8086, E1000_DEV_ID_82573E, "Intel(R) PRO/1000 Network Connection"),
114 PVID(0x8086, E1000_DEV_ID_82573E_IAMT, "Intel(R) PRO/1000 Network Connection"),
115 PVID(0x8086, E1000_DEV_ID_82573L, "Intel(R) PRO/1000 Network Connection"),
116 PVID(0x8086, E1000_DEV_ID_82583V, "Intel(R) PRO/1000 Network Connection"),
117 PVID(0x8086, E1000_DEV_ID_80003ES2LAN_COPPER_SPT, "Intel(R) PRO/1000 Network Connection"),
118 PVID(0x8086, E1000_DEV_ID_80003ES2LAN_SERDES_SPT, "Intel(R) PRO/1000 Network Connection"),
119 PVID(0x8086, E1000_DEV_ID_80003ES2LAN_COPPER_DPT, "Intel(R) PRO/1000 Network Connection"),
120 PVID(0x8086, E1000_DEV_ID_80003ES2LAN_SERDES_DPT, "Intel(R) PRO/1000 Network Connection"),
121 PVID(0x8086, E1000_DEV_ID_ICH8_IGP_M_AMT, "Intel(R) PRO/1000 Network Connection"),
122 PVID(0x8086, E1000_DEV_ID_ICH8_IGP_AMT, "Intel(R) PRO/1000 Network Connection"),
123 PVID(0x8086, E1000_DEV_ID_ICH8_IGP_C, "Intel(R) PRO/1000 Network Connection"),
124 PVID(0x8086, E1000_DEV_ID_ICH8_IFE, "Intel(R) PRO/1000 Network Connection"),
125 PVID(0x8086, E1000_DEV_ID_ICH8_IFE_GT, "Intel(R) PRO/1000 Network Connection"),
126 PVID(0x8086, E1000_DEV_ID_ICH8_IFE_G, "Intel(R) PRO/1000 Network Connection"),
127 PVID(0x8086, E1000_DEV_ID_ICH8_IGP_M, "Intel(R) PRO/1000 Network Connection"),
128 PVID(0x8086, E1000_DEV_ID_ICH8_82567V_3, "Intel(R) PRO/1000 Network Connection"),
129 PVID(0x8086, E1000_DEV_ID_ICH9_IGP_M_AMT, "Intel(R) PRO/1000 Network Connection"),
130 PVID(0x8086, E1000_DEV_ID_ICH9_IGP_AMT, "Intel(R) PRO/1000 Network Connection"),
131 PVID(0x8086, E1000_DEV_ID_ICH9_IGP_C, "Intel(R) PRO/1000 Network Connection"),
132 PVID(0x8086, E1000_DEV_ID_ICH9_IGP_M, "Intel(R) PRO/1000 Network Connection"),
133 PVID(0x8086, E1000_DEV_ID_ICH9_IGP_M_V, "Intel(R) PRO/1000 Network Connection"),
134 PVID(0x8086, E1000_DEV_ID_ICH9_IFE, "Intel(R) PRO/1000 Network Connection"),
135 PVID(0x8086, E1000_DEV_ID_ICH9_IFE_GT, "Intel(R) PRO/1000 Network Connection"),
136 PVID(0x8086, E1000_DEV_ID_ICH9_IFE_G, "Intel(R) PRO/1000 Network Connection"),
137 PVID(0x8086, E1000_DEV_ID_ICH9_BM, "Intel(R) PRO/1000 Network Connection"),
138 PVID(0x8086, E1000_DEV_ID_82574L, "Intel(R) PRO/1000 Network Connection"),
139 PVID(0x8086, E1000_DEV_ID_82574LA, "Intel(R) PRO/1000 Network Connection"),
140 PVID(0x8086, E1000_DEV_ID_ICH10_R_BM_LM, "Intel(R) PRO/1000 Network Connection"),
141 PVID(0x8086, E1000_DEV_ID_ICH10_R_BM_LF, "Intel(R) PRO/1000 Network Connection"),
142 PVID(0x8086, E1000_DEV_ID_ICH10_R_BM_V, "Intel(R) PRO/1000 Network Connection"),
143 PVID(0x8086, E1000_DEV_ID_ICH10_D_BM_LM, "Intel(R) PRO/1000 Network Connection"),
144 PVID(0x8086, E1000_DEV_ID_ICH10_D_BM_LF, "Intel(R) PRO/1000 Network Connection"),
145 PVID(0x8086, E1000_DEV_ID_ICH10_D_BM_V, "Intel(R) PRO/1000 Network Connection"),
146 PVID(0x8086, E1000_DEV_ID_PCH_M_HV_LM, "Intel(R) PRO/1000 Network Connection"),
147 PVID(0x8086, E1000_DEV_ID_PCH_M_HV_LC, "Intel(R) PRO/1000 Network Connection"),
148 PVID(0x8086, E1000_DEV_ID_PCH_D_HV_DM, "Intel(R) PRO/1000 Network Connection"),
149 PVID(0x8086, E1000_DEV_ID_PCH_D_HV_DC, "Intel(R) PRO/1000 Network Connection"),
150 PVID(0x8086, E1000_DEV_ID_PCH2_LV_LM, "Intel(R) PRO/1000 Network Connection"),
151 PVID(0x8086, E1000_DEV_ID_PCH2_LV_V, "Intel(R) PRO/1000 Network Connection"),
152 PVID(0x8086, E1000_DEV_ID_PCH_LPT_I217_LM, "Intel(R) PRO/1000 Network Connection"),
153 PVID(0x8086, E1000_DEV_ID_PCH_LPT_I217_V, "Intel(R) PRO/1000 Network Connection"),
154 PVID(0x8086, E1000_DEV_ID_PCH_LPTLP_I218_LM, "Intel(R) PRO/1000 Network Connection"),
155 PVID(0x8086, E1000_DEV_ID_PCH_LPTLP_I218_V, "Intel(R) PRO/1000 Network Connection"),
156 PVID(0x8086, E1000_DEV_ID_PCH_I218_LM2, "Intel(R) PRO/1000 Network Connection"),
157 PVID(0x8086, E1000_DEV_ID_PCH_I218_V2, "Intel(R) PRO/1000 Network Connection"),
158 PVID(0x8086, E1000_DEV_ID_PCH_I218_LM3, "Intel(R) PRO/1000 Network Connection"),
159 PVID(0x8086, E1000_DEV_ID_PCH_I218_V3, "Intel(R) PRO/1000 Network Connection"),
160 PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_LM, "Intel(R) PRO/1000 Network Connection"),
161 PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_V, "Intel(R) PRO/1000 Network Connection"),
162 PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_LM2, "Intel(R) PRO/1000 Network Connection"),
163 PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_V2, "Intel(R) PRO/1000 Network Connection"),
164 PVID(0x8086, E1000_DEV_ID_PCH_LBG_I219_LM3, "Intel(R) PRO/1000 Network Connection"),
165 PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_LM4, "Intel(R) PRO/1000 Network Connection"),
166 PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_V4, "Intel(R) PRO/1000 Network Connection"),
167 PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_LM5, "Intel(R) PRO/1000 Network Connection"),
168 PVID(0x8086, E1000_DEV_ID_PCH_SPT_I219_V5, "Intel(R) PRO/1000 Network Connection"),
169 PVID(0x8086, E1000_DEV_ID_PCH_CNP_I219_LM6, "Intel(R) PRO/1000 Network Connection"),
170 PVID(0x8086, E1000_DEV_ID_PCH_CNP_I219_V6, "Intel(R) PRO/1000 Network Connection"),
171 PVID(0x8086, E1000_DEV_ID_PCH_CNP_I219_LM7, "Intel(R) PRO/1000 Network Connection"),
172 PVID(0x8086, E1000_DEV_ID_PCH_CNP_I219_V7, "Intel(R) PRO/1000 Network Connection"),
173 PVID(0x8086, E1000_DEV_ID_PCH_ICP_I219_LM8, "Intel(R) PRO/1000 Network Connection"),
174 PVID(0x8086, E1000_DEV_ID_PCH_ICP_I219_V8, "Intel(R) PRO/1000 Network Connection"),
175 PVID(0x8086, E1000_DEV_ID_PCH_ICP_I219_LM9, "Intel(R) PRO/1000 Network Connection"),
176 PVID(0x8086, E1000_DEV_ID_PCH_ICP_I219_V9, "Intel(R) PRO/1000 Network Connection"),
177 PVID(0x8086, E1000_DEV_ID_PCH_CMP_I219_LM10, "Intel(R) PRO/1000 Network Connection"),
178 PVID(0x8086, E1000_DEV_ID_PCH_CMP_I219_V10, "Intel(R) PRO/1000 Network Connection"),
179 PVID(0x8086, E1000_DEV_ID_PCH_CMP_I219_LM11, "Intel(R) PRO/1000 Network Connection"),
180 PVID(0x8086, E1000_DEV_ID_PCH_CMP_I219_V11, "Intel(R) PRO/1000 Network Connection"),
181 PVID(0x8086, E1000_DEV_ID_PCH_CMP_I219_LM12, "Intel(R) PRO/1000 Network Connection"),
182 PVID(0x8086, E1000_DEV_ID_PCH_CMP_I219_V12, "Intel(R) PRO/1000 Network Connection"),
183 /* required last entry */
187 static pci_vendor_info_t igb_vendor_info_array[] =
189 /* Intel(R) PRO/1000 Network Connection - igb */
190 PVID(0x8086, E1000_DEV_ID_82575EB_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
191 PVID(0x8086, E1000_DEV_ID_82575EB_FIBER_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
192 PVID(0x8086, E1000_DEV_ID_82575GB_QUAD_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
193 PVID(0x8086, E1000_DEV_ID_82576, "Intel(R) PRO/1000 PCI-Express Network Driver"),
194 PVID(0x8086, E1000_DEV_ID_82576_NS, "Intel(R) PRO/1000 PCI-Express Network Driver"),
195 PVID(0x8086, E1000_DEV_ID_82576_NS_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
196 PVID(0x8086, E1000_DEV_ID_82576_FIBER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
197 PVID(0x8086, E1000_DEV_ID_82576_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
198 PVID(0x8086, E1000_DEV_ID_82576_SERDES_QUAD, "Intel(R) PRO/1000 PCI-Express Network Driver"),
199 PVID(0x8086, E1000_DEV_ID_82576_QUAD_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
200 PVID(0x8086, E1000_DEV_ID_82576_QUAD_COPPER_ET2, "Intel(R) PRO/1000 PCI-Express Network Driver"),
201 PVID(0x8086, E1000_DEV_ID_82576_VF, "Intel(R) PRO/1000 PCI-Express Network Driver"),
202 PVID(0x8086, E1000_DEV_ID_82580_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
203 PVID(0x8086, E1000_DEV_ID_82580_FIBER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
204 PVID(0x8086, E1000_DEV_ID_82580_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
205 PVID(0x8086, E1000_DEV_ID_82580_SGMII, "Intel(R) PRO/1000 PCI-Express Network Driver"),
206 PVID(0x8086, E1000_DEV_ID_82580_COPPER_DUAL, "Intel(R) PRO/1000 PCI-Express Network Driver"),
207 PVID(0x8086, E1000_DEV_ID_82580_QUAD_FIBER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
208 PVID(0x8086, E1000_DEV_ID_DH89XXCC_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
209 PVID(0x8086, E1000_DEV_ID_DH89XXCC_SGMII, "Intel(R) PRO/1000 PCI-Express Network Driver"),
210 PVID(0x8086, E1000_DEV_ID_DH89XXCC_SFP, "Intel(R) PRO/1000 PCI-Express Network Driver"),
211 PVID(0x8086, E1000_DEV_ID_DH89XXCC_BACKPLANE, "Intel(R) PRO/1000 PCI-Express Network Driver"),
212 PVID(0x8086, E1000_DEV_ID_I350_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
213 PVID(0x8086, E1000_DEV_ID_I350_FIBER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
214 PVID(0x8086, E1000_DEV_ID_I350_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
215 PVID(0x8086, E1000_DEV_ID_I350_SGMII, "Intel(R) PRO/1000 PCI-Express Network Driver"),
216 PVID(0x8086, E1000_DEV_ID_I350_VF, "Intel(R) PRO/1000 PCI-Express Network Driver"),
217 PVID(0x8086, E1000_DEV_ID_I210_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
218 PVID(0x8086, E1000_DEV_ID_I210_COPPER_IT, "Intel(R) PRO/1000 PCI-Express Network Driver"),
219 PVID(0x8086, E1000_DEV_ID_I210_COPPER_OEM1, "Intel(R) PRO/1000 PCI-Express Network Driver"),
220 PVID(0x8086, E1000_DEV_ID_I210_COPPER_FLASHLESS, "Intel(R) PRO/1000 PCI-Express Network Driver"),
221 PVID(0x8086, E1000_DEV_ID_I210_SERDES_FLASHLESS, "Intel(R) PRO/1000 PCI-Express Network Driver"),
222 PVID(0x8086, E1000_DEV_ID_I210_FIBER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
223 PVID(0x8086, E1000_DEV_ID_I210_SERDES, "Intel(R) PRO/1000 PCI-Express Network Driver"),
224 PVID(0x8086, E1000_DEV_ID_I210_SGMII, "Intel(R) PRO/1000 PCI-Express Network Driver"),
225 PVID(0x8086, E1000_DEV_ID_I211_COPPER, "Intel(R) PRO/1000 PCI-Express Network Driver"),
226 PVID(0x8086, E1000_DEV_ID_I354_BACKPLANE_1GBPS, "Intel(R) PRO/1000 PCI-Express Network Driver"),
227 PVID(0x8086, E1000_DEV_ID_I354_BACKPLANE_2_5GBPS, "Intel(R) PRO/1000 PCI-Express Network Driver"),
228 PVID(0x8086, E1000_DEV_ID_I354_SGMII, "Intel(R) PRO/1000 PCI-Express Network Driver"),
229 /* required last entry */
233 /*********************************************************************
234 * Function prototypes
235 *********************************************************************/
236 static void *em_register(device_t dev);
237 static void *igb_register(device_t dev);
238 static int em_if_attach_pre(if_ctx_t ctx);
239 static int em_if_attach_post(if_ctx_t ctx);
240 static int em_if_detach(if_ctx_t ctx);
241 static int em_if_shutdown(if_ctx_t ctx);
242 static int em_if_suspend(if_ctx_t ctx);
243 static int em_if_resume(if_ctx_t ctx);
245 static int em_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets);
246 static int em_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nrxqs, int nrxqsets);
247 static void em_if_queues_free(if_ctx_t ctx);
249 static uint64_t em_if_get_counter(if_ctx_t, ift_counter);
250 static void em_if_init(if_ctx_t ctx);
251 static void em_if_stop(if_ctx_t ctx);
252 static void em_if_media_status(if_ctx_t, struct ifmediareq *);
253 static int em_if_media_change(if_ctx_t ctx);
254 static int em_if_mtu_set(if_ctx_t ctx, uint32_t mtu);
255 static void em_if_timer(if_ctx_t ctx, uint16_t qid);
256 static void em_if_vlan_register(if_ctx_t ctx, u16 vtag);
257 static void em_if_vlan_unregister(if_ctx_t ctx, u16 vtag);
258 static void em_if_watchdog_reset(if_ctx_t ctx);
259 static bool em_if_needs_restart(if_ctx_t ctx, enum iflib_restart_event event);
261 static void em_identify_hardware(if_ctx_t ctx);
262 static int em_allocate_pci_resources(if_ctx_t ctx);
263 static void em_free_pci_resources(if_ctx_t ctx);
264 static void em_reset(if_ctx_t ctx);
265 static int em_setup_interface(if_ctx_t ctx);
266 static int em_setup_msix(if_ctx_t ctx);
268 static void em_initialize_transmit_unit(if_ctx_t ctx);
269 static void em_initialize_receive_unit(if_ctx_t ctx);
271 static void em_if_intr_enable(if_ctx_t ctx);
272 static void em_if_intr_disable(if_ctx_t ctx);
273 static void igb_if_intr_enable(if_ctx_t ctx);
274 static void igb_if_intr_disable(if_ctx_t ctx);
275 static int em_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid);
276 static int em_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid);
277 static int igb_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid);
278 static int igb_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid);
279 static void em_if_multi_set(if_ctx_t ctx);
280 static void em_if_update_admin_status(if_ctx_t ctx);
281 static void em_if_debug(if_ctx_t ctx);
282 static void em_update_stats_counters(struct adapter *);
283 static void em_add_hw_stats(struct adapter *adapter);
284 static int em_if_set_promisc(if_ctx_t ctx, int flags);
285 static void em_setup_vlan_hw_support(struct adapter *);
286 static int em_sysctl_nvm_info(SYSCTL_HANDLER_ARGS);
287 static void em_print_nvm_info(struct adapter *);
288 static int em_sysctl_debug_info(SYSCTL_HANDLER_ARGS);
289 static int em_get_rs(SYSCTL_HANDLER_ARGS);
290 static void em_print_debug_info(struct adapter *);
291 static int em_is_valid_ether_addr(u8 *);
292 static int em_sysctl_int_delay(SYSCTL_HANDLER_ARGS);
293 static void em_add_int_delay_sysctl(struct adapter *, const char *,
294 const char *, struct em_int_delay_info *, int, int);
295 /* Management and WOL Support */
296 static void em_init_manageability(struct adapter *);
297 static void em_release_manageability(struct adapter *);
298 static void em_get_hw_control(struct adapter *);
299 static void em_release_hw_control(struct adapter *);
300 static void em_get_wakeup(if_ctx_t ctx);
301 static void em_enable_wakeup(if_ctx_t ctx);
302 static int em_enable_phy_wakeup(struct adapter *);
303 static void em_disable_aspm(struct adapter *);
305 int em_intr(void *arg);
306 static void em_disable_promisc(if_ctx_t ctx);
309 static int em_if_msix_intr_assign(if_ctx_t, int);
310 static int em_msix_link(void *);
311 static void em_handle_link(void *context);
313 static void em_enable_vectors_82574(if_ctx_t);
315 static int em_set_flowcntl(SYSCTL_HANDLER_ARGS);
316 static int em_sysctl_eee(SYSCTL_HANDLER_ARGS);
317 static void em_if_led_func(if_ctx_t ctx, int onoff);
319 static int em_get_regs(SYSCTL_HANDLER_ARGS);
321 static void lem_smartspeed(struct adapter *adapter);
322 static void igb_configure_queues(struct adapter *adapter);
325 /*********************************************************************
326 * FreeBSD Device Interface Entry Points
327 *********************************************************************/
328 static device_method_t em_methods[] = {
329 /* Device interface */
330 DEVMETHOD(device_register, em_register),
331 DEVMETHOD(device_probe, iflib_device_probe),
332 DEVMETHOD(device_attach, iflib_device_attach),
333 DEVMETHOD(device_detach, iflib_device_detach),
334 DEVMETHOD(device_shutdown, iflib_device_shutdown),
335 DEVMETHOD(device_suspend, iflib_device_suspend),
336 DEVMETHOD(device_resume, iflib_device_resume),
340 static device_method_t igb_methods[] = {
341 /* Device interface */
342 DEVMETHOD(device_register, igb_register),
343 DEVMETHOD(device_probe, iflib_device_probe),
344 DEVMETHOD(device_attach, iflib_device_attach),
345 DEVMETHOD(device_detach, iflib_device_detach),
346 DEVMETHOD(device_shutdown, iflib_device_shutdown),
347 DEVMETHOD(device_suspend, iflib_device_suspend),
348 DEVMETHOD(device_resume, iflib_device_resume),
353 static driver_t em_driver = {
354 "em", em_methods, sizeof(struct adapter),
357 static devclass_t em_devclass;
358 DRIVER_MODULE(em, pci, em_driver, em_devclass, 0, 0);
360 MODULE_DEPEND(em, pci, 1, 1, 1);
361 MODULE_DEPEND(em, ether, 1, 1, 1);
362 MODULE_DEPEND(em, iflib, 1, 1, 1);
364 IFLIB_PNP_INFO(pci, em, em_vendor_info_array);
366 static driver_t igb_driver = {
367 "igb", igb_methods, sizeof(struct adapter),
370 static devclass_t igb_devclass;
371 DRIVER_MODULE(igb, pci, igb_driver, igb_devclass, 0, 0);
373 MODULE_DEPEND(igb, pci, 1, 1, 1);
374 MODULE_DEPEND(igb, ether, 1, 1, 1);
375 MODULE_DEPEND(igb, iflib, 1, 1, 1);
377 IFLIB_PNP_INFO(pci, igb, igb_vendor_info_array);
379 static device_method_t em_if_methods[] = {
380 DEVMETHOD(ifdi_attach_pre, em_if_attach_pre),
381 DEVMETHOD(ifdi_attach_post, em_if_attach_post),
382 DEVMETHOD(ifdi_detach, em_if_detach),
383 DEVMETHOD(ifdi_shutdown, em_if_shutdown),
384 DEVMETHOD(ifdi_suspend, em_if_suspend),
385 DEVMETHOD(ifdi_resume, em_if_resume),
386 DEVMETHOD(ifdi_init, em_if_init),
387 DEVMETHOD(ifdi_stop, em_if_stop),
388 DEVMETHOD(ifdi_msix_intr_assign, em_if_msix_intr_assign),
389 DEVMETHOD(ifdi_intr_enable, em_if_intr_enable),
390 DEVMETHOD(ifdi_intr_disable, em_if_intr_disable),
391 DEVMETHOD(ifdi_tx_queues_alloc, em_if_tx_queues_alloc),
392 DEVMETHOD(ifdi_rx_queues_alloc, em_if_rx_queues_alloc),
393 DEVMETHOD(ifdi_queues_free, em_if_queues_free),
394 DEVMETHOD(ifdi_update_admin_status, em_if_update_admin_status),
395 DEVMETHOD(ifdi_multi_set, em_if_multi_set),
396 DEVMETHOD(ifdi_media_status, em_if_media_status),
397 DEVMETHOD(ifdi_media_change, em_if_media_change),
398 DEVMETHOD(ifdi_mtu_set, em_if_mtu_set),
399 DEVMETHOD(ifdi_promisc_set, em_if_set_promisc),
400 DEVMETHOD(ifdi_timer, em_if_timer),
401 DEVMETHOD(ifdi_watchdog_reset, em_if_watchdog_reset),
402 DEVMETHOD(ifdi_vlan_register, em_if_vlan_register),
403 DEVMETHOD(ifdi_vlan_unregister, em_if_vlan_unregister),
404 DEVMETHOD(ifdi_get_counter, em_if_get_counter),
405 DEVMETHOD(ifdi_led_func, em_if_led_func),
406 DEVMETHOD(ifdi_rx_queue_intr_enable, em_if_rx_queue_intr_enable),
407 DEVMETHOD(ifdi_tx_queue_intr_enable, em_if_tx_queue_intr_enable),
408 DEVMETHOD(ifdi_debug, em_if_debug),
409 DEVMETHOD(ifdi_needs_restart, em_if_needs_restart),
413 static driver_t em_if_driver = {
414 "em_if", em_if_methods, sizeof(struct adapter)
417 static device_method_t igb_if_methods[] = {
418 DEVMETHOD(ifdi_attach_pre, em_if_attach_pre),
419 DEVMETHOD(ifdi_attach_post, em_if_attach_post),
420 DEVMETHOD(ifdi_detach, em_if_detach),
421 DEVMETHOD(ifdi_shutdown, em_if_shutdown),
422 DEVMETHOD(ifdi_suspend, em_if_suspend),
423 DEVMETHOD(ifdi_resume, em_if_resume),
424 DEVMETHOD(ifdi_init, em_if_init),
425 DEVMETHOD(ifdi_stop, em_if_stop),
426 DEVMETHOD(ifdi_msix_intr_assign, em_if_msix_intr_assign),
427 DEVMETHOD(ifdi_intr_enable, igb_if_intr_enable),
428 DEVMETHOD(ifdi_intr_disable, igb_if_intr_disable),
429 DEVMETHOD(ifdi_tx_queues_alloc, em_if_tx_queues_alloc),
430 DEVMETHOD(ifdi_rx_queues_alloc, em_if_rx_queues_alloc),
431 DEVMETHOD(ifdi_queues_free, em_if_queues_free),
432 DEVMETHOD(ifdi_update_admin_status, em_if_update_admin_status),
433 DEVMETHOD(ifdi_multi_set, em_if_multi_set),
434 DEVMETHOD(ifdi_media_status, em_if_media_status),
435 DEVMETHOD(ifdi_media_change, em_if_media_change),
436 DEVMETHOD(ifdi_mtu_set, em_if_mtu_set),
437 DEVMETHOD(ifdi_promisc_set, em_if_set_promisc),
438 DEVMETHOD(ifdi_timer, em_if_timer),
439 DEVMETHOD(ifdi_watchdog_reset, em_if_watchdog_reset),
440 DEVMETHOD(ifdi_vlan_register, em_if_vlan_register),
441 DEVMETHOD(ifdi_vlan_unregister, em_if_vlan_unregister),
442 DEVMETHOD(ifdi_get_counter, em_if_get_counter),
443 DEVMETHOD(ifdi_led_func, em_if_led_func),
444 DEVMETHOD(ifdi_rx_queue_intr_enable, igb_if_rx_queue_intr_enable),
445 DEVMETHOD(ifdi_tx_queue_intr_enable, igb_if_tx_queue_intr_enable),
446 DEVMETHOD(ifdi_debug, em_if_debug),
447 DEVMETHOD(ifdi_needs_restart, em_if_needs_restart),
451 static driver_t igb_if_driver = {
452 "igb_if", igb_if_methods, sizeof(struct adapter)
455 /*********************************************************************
456 * Tunable default values.
457 *********************************************************************/
459 #define EM_TICKS_TO_USECS(ticks) ((1024 * (ticks) + 500) / 1000)
460 #define EM_USECS_TO_TICKS(usecs) ((1000 * (usecs) + 512) / 1024)
462 #define MAX_INTS_PER_SEC 8000
463 #define DEFAULT_ITR (1000000000/(MAX_INTS_PER_SEC * 256))
465 /* Allow common code without TSO */
470 static SYSCTL_NODE(_hw, OID_AUTO, em, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
471 "EM driver parameters");
473 static int em_disable_crc_stripping = 0;
474 SYSCTL_INT(_hw_em, OID_AUTO, disable_crc_stripping, CTLFLAG_RDTUN,
475 &em_disable_crc_stripping, 0, "Disable CRC Stripping");
477 static int em_tx_int_delay_dflt = EM_TICKS_TO_USECS(EM_TIDV);
478 static int em_rx_int_delay_dflt = EM_TICKS_TO_USECS(EM_RDTR);
479 SYSCTL_INT(_hw_em, OID_AUTO, tx_int_delay, CTLFLAG_RDTUN, &em_tx_int_delay_dflt,
480 0, "Default transmit interrupt delay in usecs");
481 SYSCTL_INT(_hw_em, OID_AUTO, rx_int_delay, CTLFLAG_RDTUN, &em_rx_int_delay_dflt,
482 0, "Default receive interrupt delay in usecs");
484 static int em_tx_abs_int_delay_dflt = EM_TICKS_TO_USECS(EM_TADV);
485 static int em_rx_abs_int_delay_dflt = EM_TICKS_TO_USECS(EM_RADV);
486 SYSCTL_INT(_hw_em, OID_AUTO, tx_abs_int_delay, CTLFLAG_RDTUN,
487 &em_tx_abs_int_delay_dflt, 0,
488 "Default transmit interrupt delay limit in usecs");
489 SYSCTL_INT(_hw_em, OID_AUTO, rx_abs_int_delay, CTLFLAG_RDTUN,
490 &em_rx_abs_int_delay_dflt, 0,
491 "Default receive interrupt delay limit in usecs");
493 static int em_smart_pwr_down = FALSE;
494 SYSCTL_INT(_hw_em, OID_AUTO, smart_pwr_down, CTLFLAG_RDTUN, &em_smart_pwr_down,
495 0, "Set to true to leave smart power down enabled on newer adapters");
497 /* Controls whether promiscuous also shows bad packets */
498 static int em_debug_sbp = TRUE;
499 SYSCTL_INT(_hw_em, OID_AUTO, sbp, CTLFLAG_RDTUN, &em_debug_sbp, 0,
500 "Show bad packets in promiscuous mode");
502 /* How many packets rxeof tries to clean at a time */
503 static int em_rx_process_limit = 100;
504 SYSCTL_INT(_hw_em, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN,
505 &em_rx_process_limit, 0,
506 "Maximum number of received packets to process "
507 "at a time, -1 means unlimited");
509 /* Energy efficient ethernet - default to OFF */
510 static int eee_setting = 1;
511 SYSCTL_INT(_hw_em, OID_AUTO, eee_setting, CTLFLAG_RDTUN, &eee_setting, 0,
512 "Enable Energy Efficient Ethernet");
515 ** Tuneable Interrupt rate
517 static int em_max_interrupt_rate = 8000;
518 SYSCTL_INT(_hw_em, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN,
519 &em_max_interrupt_rate, 0, "Maximum interrupts per second");
523 /* Global used in WOL setup with multiport cards */
524 static int global_quad_port_a = 0;
526 extern struct if_txrx igb_txrx;
527 extern struct if_txrx em_txrx;
528 extern struct if_txrx lem_txrx;
530 static struct if_shared_ctx em_sctx_init = {
531 .isc_magic = IFLIB_MAGIC,
532 .isc_q_align = PAGE_SIZE,
533 .isc_tx_maxsize = EM_TSO_SIZE + sizeof(struct ether_vlan_header),
534 .isc_tx_maxsegsize = PAGE_SIZE,
535 .isc_tso_maxsize = EM_TSO_SIZE + sizeof(struct ether_vlan_header),
536 .isc_tso_maxsegsize = EM_TSO_SEG_SIZE,
537 .isc_rx_maxsize = MJUM9BYTES,
538 .isc_rx_nsegments = 1,
539 .isc_rx_maxsegsize = MJUM9BYTES,
543 .isc_admin_intrcnt = 1,
544 .isc_vendor_info = em_vendor_info_array,
545 .isc_driver_version = em_driver_version,
546 .isc_driver = &em_if_driver,
547 .isc_flags = IFLIB_NEED_SCRATCH | IFLIB_TSO_INIT_IP | IFLIB_NEED_ZERO_CSUM,
549 .isc_nrxd_min = {EM_MIN_RXD},
550 .isc_ntxd_min = {EM_MIN_TXD},
551 .isc_nrxd_max = {EM_MAX_RXD},
552 .isc_ntxd_max = {EM_MAX_TXD},
553 .isc_nrxd_default = {EM_DEFAULT_RXD},
554 .isc_ntxd_default = {EM_DEFAULT_TXD},
557 if_shared_ctx_t em_sctx = &em_sctx_init;
559 static struct if_shared_ctx igb_sctx_init = {
560 .isc_magic = IFLIB_MAGIC,
561 .isc_q_align = PAGE_SIZE,
562 .isc_tx_maxsize = EM_TSO_SIZE + sizeof(struct ether_vlan_header),
563 .isc_tx_maxsegsize = PAGE_SIZE,
564 .isc_tso_maxsize = EM_TSO_SIZE + sizeof(struct ether_vlan_header),
565 .isc_tso_maxsegsize = EM_TSO_SEG_SIZE,
566 .isc_rx_maxsize = MJUM9BYTES,
567 .isc_rx_nsegments = 1,
568 .isc_rx_maxsegsize = MJUM9BYTES,
572 .isc_admin_intrcnt = 1,
573 .isc_vendor_info = igb_vendor_info_array,
574 .isc_driver_version = em_driver_version,
575 .isc_driver = &igb_if_driver,
576 .isc_flags = IFLIB_NEED_SCRATCH | IFLIB_TSO_INIT_IP | IFLIB_NEED_ZERO_CSUM,
578 .isc_nrxd_min = {EM_MIN_RXD},
579 .isc_ntxd_min = {EM_MIN_TXD},
580 .isc_nrxd_max = {IGB_MAX_RXD},
581 .isc_ntxd_max = {IGB_MAX_TXD},
582 .isc_nrxd_default = {EM_DEFAULT_RXD},
583 .isc_ntxd_default = {EM_DEFAULT_TXD},
586 if_shared_ctx_t igb_sctx = &igb_sctx_init;
588 /*****************************************************************
592 ****************************************************************/
593 #define IGB_REGS_LEN 739
595 static int em_get_regs(SYSCTL_HANDLER_ARGS)
597 struct adapter *adapter = (struct adapter *)arg1;
598 struct e1000_hw *hw = &adapter->hw;
603 regs_buff = malloc(sizeof(u32) * IGB_REGS_LEN, M_DEVBUF, M_WAITOK);
604 memset(regs_buff, 0, IGB_REGS_LEN * sizeof(u32));
606 rc = sysctl_wire_old_buffer(req, 0);
609 free(regs_buff, M_DEVBUF);
613 sb = sbuf_new_for_sysctl(NULL, NULL, 32*400, req);
616 free(regs_buff, M_DEVBUF);
620 /* General Registers */
621 regs_buff[0] = E1000_READ_REG(hw, E1000_CTRL);
622 regs_buff[1] = E1000_READ_REG(hw, E1000_STATUS);
623 regs_buff[2] = E1000_READ_REG(hw, E1000_CTRL_EXT);
624 regs_buff[3] = E1000_READ_REG(hw, E1000_ICR);
625 regs_buff[4] = E1000_READ_REG(hw, E1000_RCTL);
626 regs_buff[5] = E1000_READ_REG(hw, E1000_RDLEN(0));
627 regs_buff[6] = E1000_READ_REG(hw, E1000_RDH(0));
628 regs_buff[7] = E1000_READ_REG(hw, E1000_RDT(0));
629 regs_buff[8] = E1000_READ_REG(hw, E1000_RXDCTL(0));
630 regs_buff[9] = E1000_READ_REG(hw, E1000_RDBAL(0));
631 regs_buff[10] = E1000_READ_REG(hw, E1000_RDBAH(0));
632 regs_buff[11] = E1000_READ_REG(hw, E1000_TCTL);
633 regs_buff[12] = E1000_READ_REG(hw, E1000_TDBAL(0));
634 regs_buff[13] = E1000_READ_REG(hw, E1000_TDBAH(0));
635 regs_buff[14] = E1000_READ_REG(hw, E1000_TDLEN(0));
636 regs_buff[15] = E1000_READ_REG(hw, E1000_TDH(0));
637 regs_buff[16] = E1000_READ_REG(hw, E1000_TDT(0));
638 regs_buff[17] = E1000_READ_REG(hw, E1000_TXDCTL(0));
639 regs_buff[18] = E1000_READ_REG(hw, E1000_TDFH);
640 regs_buff[19] = E1000_READ_REG(hw, E1000_TDFT);
641 regs_buff[20] = E1000_READ_REG(hw, E1000_TDFHS);
642 regs_buff[21] = E1000_READ_REG(hw, E1000_TDFPC);
644 sbuf_printf(sb, "General Registers\n");
645 sbuf_printf(sb, "\tCTRL\t %08x\n", regs_buff[0]);
646 sbuf_printf(sb, "\tSTATUS\t %08x\n", regs_buff[1]);
647 sbuf_printf(sb, "\tCTRL_EXIT\t %08x\n\n", regs_buff[2]);
649 sbuf_printf(sb, "Interrupt Registers\n");
650 sbuf_printf(sb, "\tICR\t %08x\n\n", regs_buff[3]);
652 sbuf_printf(sb, "RX Registers\n");
653 sbuf_printf(sb, "\tRCTL\t %08x\n", regs_buff[4]);
654 sbuf_printf(sb, "\tRDLEN\t %08x\n", regs_buff[5]);
655 sbuf_printf(sb, "\tRDH\t %08x\n", regs_buff[6]);
656 sbuf_printf(sb, "\tRDT\t %08x\n", regs_buff[7]);
657 sbuf_printf(sb, "\tRXDCTL\t %08x\n", regs_buff[8]);
658 sbuf_printf(sb, "\tRDBAL\t %08x\n", regs_buff[9]);
659 sbuf_printf(sb, "\tRDBAH\t %08x\n\n", regs_buff[10]);
661 sbuf_printf(sb, "TX Registers\n");
662 sbuf_printf(sb, "\tTCTL\t %08x\n", regs_buff[11]);
663 sbuf_printf(sb, "\tTDBAL\t %08x\n", regs_buff[12]);
664 sbuf_printf(sb, "\tTDBAH\t %08x\n", regs_buff[13]);
665 sbuf_printf(sb, "\tTDLEN\t %08x\n", regs_buff[14]);
666 sbuf_printf(sb, "\tTDH\t %08x\n", regs_buff[15]);
667 sbuf_printf(sb, "\tTDT\t %08x\n", regs_buff[16]);
668 sbuf_printf(sb, "\tTXDCTL\t %08x\n", regs_buff[17]);
669 sbuf_printf(sb, "\tTDFH\t %08x\n", regs_buff[18]);
670 sbuf_printf(sb, "\tTDFT\t %08x\n", regs_buff[19]);
671 sbuf_printf(sb, "\tTDFHS\t %08x\n", regs_buff[20]);
672 sbuf_printf(sb, "\tTDFPC\t %08x\n\n", regs_buff[21]);
674 free(regs_buff, M_DEVBUF);
678 if_softc_ctx_t scctx = adapter->shared;
679 struct rx_ring *rxr = &rx_que->rxr;
680 struct tx_ring *txr = &tx_que->txr;
681 int ntxd = scctx->isc_ntxd[0];
682 int nrxd = scctx->isc_nrxd[0];
685 for (j = 0; j < nrxd; j++) {
686 u32 staterr = le32toh(rxr->rx_base[j].wb.upper.status_error);
687 u32 length = le32toh(rxr->rx_base[j].wb.upper.length);
688 sbuf_printf(sb, "\tReceive Descriptor Address %d: %08" PRIx64 " Error:%d Length:%d\n", j, rxr->rx_base[j].read.buffer_addr, staterr, length);
691 for (j = 0; j < min(ntxd, 256); j++) {
692 unsigned int *ptr = (unsigned int *)&txr->tx_base[j];
694 sbuf_printf(sb, "\tTXD[%03d] [0]: %08x [1]: %08x [2]: %08x [3]: %08x eop: %d DD=%d\n",
695 j, ptr[0], ptr[1], ptr[2], ptr[3], buf->eop,
696 buf->eop != -1 ? txr->tx_base[buf->eop].upper.fields.status & E1000_TXD_STAT_DD : 0);
702 rc = sbuf_finish(sb);
708 em_register(device_t dev)
714 igb_register(device_t dev)
720 em_set_num_queues(if_ctx_t ctx)
722 struct adapter *adapter = iflib_get_softc(ctx);
725 /* Sanity check based on HW */
726 switch (adapter->hw.mac.type) {
750 IFCAP_HWCSUM | IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | \
751 IFCAP_VLAN_HWCSUM | IFCAP_WOL | IFCAP_VLAN_HWFILTER
754 IFCAP_HWCSUM | IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | \
755 IFCAP_VLAN_HWCSUM | IFCAP_WOL | IFCAP_VLAN_HWFILTER | IFCAP_TSO4 | \
756 IFCAP_LRO | IFCAP_VLAN_HWTSO
759 IFCAP_HWCSUM | IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | \
760 IFCAP_VLAN_HWCSUM | IFCAP_WOL | IFCAP_VLAN_HWFILTER | IFCAP_TSO4 | \
761 IFCAP_LRO | IFCAP_VLAN_HWTSO | IFCAP_JUMBO_MTU | IFCAP_HWCSUM_IPV6 |\
764 /*********************************************************************
765 * Device initialization routine
767 * The attach entry point is called when the driver is being loaded.
768 * This routine identifies the type of hardware, allocates all resources
769 * and initializes the hardware.
771 * return 0 on success, positive on failure
772 *********************************************************************/
774 em_if_attach_pre(if_ctx_t ctx)
776 struct adapter *adapter;
777 if_softc_ctx_t scctx;
782 INIT_DEBUGOUT("em_if_attach_pre: begin");
783 dev = iflib_get_dev(ctx);
784 adapter = iflib_get_softc(ctx);
786 adapter->ctx = adapter->osdep.ctx = ctx;
787 adapter->dev = adapter->osdep.dev = dev;
788 scctx = adapter->shared = iflib_get_softc_ctx(ctx);
789 adapter->media = iflib_get_media(ctx);
792 adapter->tx_process_limit = scctx->isc_ntxd[0];
795 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
796 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
797 OID_AUTO, "nvm", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
798 adapter, 0, em_sysctl_nvm_info, "I", "NVM Information");
800 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
801 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
802 OID_AUTO, "debug", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
803 adapter, 0, em_sysctl_debug_info, "I", "Debug Information");
805 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
806 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
807 OID_AUTO, "fc", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
808 adapter, 0, em_set_flowcntl, "I", "Flow Control");
810 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
811 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
812 OID_AUTO, "reg_dump",
813 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, adapter, 0,
814 em_get_regs, "A", "Dump Registers");
816 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
817 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
819 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, adapter, 0,
820 em_get_rs, "I", "Dump RS indexes");
822 /* Determine hardware and mac info */
823 em_identify_hardware(ctx);
825 scctx->isc_tx_nsegments = EM_MAX_SCATTER;
826 scctx->isc_nrxqsets_max = scctx->isc_ntxqsets_max = em_set_num_queues(ctx);
828 device_printf(dev, "attach_pre capping queues at %d\n",
829 scctx->isc_ntxqsets_max);
831 if (adapter->hw.mac.type >= igb_mac_min) {
832 scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0] * sizeof(union e1000_adv_tx_desc), EM_DBA_ALIGN);
833 scctx->isc_rxqsizes[0] = roundup2(scctx->isc_nrxd[0] * sizeof(union e1000_adv_rx_desc), EM_DBA_ALIGN);
834 scctx->isc_txd_size[0] = sizeof(union e1000_adv_tx_desc);
835 scctx->isc_rxd_size[0] = sizeof(union e1000_adv_rx_desc);
836 scctx->isc_txrx = &igb_txrx;
837 scctx->isc_tx_tso_segments_max = EM_MAX_SCATTER;
838 scctx->isc_tx_tso_size_max = EM_TSO_SIZE;
839 scctx->isc_tx_tso_segsize_max = EM_TSO_SEG_SIZE;
840 scctx->isc_capabilities = scctx->isc_capenable = IGB_CAPS;
841 scctx->isc_tx_csum_flags = CSUM_TCP | CSUM_UDP | CSUM_TSO |
842 CSUM_IP6_TCP | CSUM_IP6_UDP;
843 if (adapter->hw.mac.type != e1000_82575)
844 scctx->isc_tx_csum_flags |= CSUM_SCTP | CSUM_IP6_SCTP;
846 ** Some new devices, as with ixgbe, now may
847 ** use a different BAR, so we need to keep
848 ** track of which is used.
850 scctx->isc_msix_bar = PCIR_BAR(EM_MSIX_BAR);
851 if (pci_read_config(dev, scctx->isc_msix_bar, 4) == 0)
852 scctx->isc_msix_bar += 4;
853 } else if (adapter->hw.mac.type >= em_mac_min) {
854 scctx->isc_txqsizes[0] = roundup2(scctx->isc_ntxd[0]* sizeof(struct e1000_tx_desc), EM_DBA_ALIGN);
855 scctx->isc_rxqsizes[0] = roundup2(scctx->isc_nrxd[0] * sizeof(union e1000_rx_desc_extended), EM_DBA_ALIGN);
856 scctx->isc_txd_size[0] = sizeof(struct e1000_tx_desc);
857 scctx->isc_rxd_size[0] = sizeof(union e1000_rx_desc_extended);
858 scctx->isc_txrx = &em_txrx;
859 scctx->isc_tx_tso_segments_max = EM_MAX_SCATTER;
860 scctx->isc_tx_tso_size_max = EM_TSO_SIZE;
861 scctx->isc_tx_tso_segsize_max = EM_TSO_SEG_SIZE;
862 scctx->isc_capabilities = scctx->isc_capenable = EM_CAPS;
864 * For EM-class devices, don't enable IFCAP_{TSO4,VLAN_HWTSO}
865 * by default as we don't have workarounds for all associated
866 * silicon errata. E. g., with several MACs such as 82573E,
867 * TSO only works at Gigabit speed and otherwise can cause the
868 * hardware to hang (which also would be next to impossible to
869 * work around given that already queued TSO-using descriptors
870 * would need to be flushed and vlan(4) reconfigured at runtime
871 * in case of a link speed change). Moreover, MACs like 82579
872 * still can hang at Gigabit even with all publicly documented
873 * TSO workarounds implemented. Generally, the penality of
874 * these workarounds is rather high and may involve copying
875 * mbuf data around so advantages of TSO lapse. Still, TSO may
876 * work for a few MACs of this class - at least when sticking
877 * with Gigabit - in which case users may enable TSO manually.
879 scctx->isc_capenable &= ~(IFCAP_TSO4 | IFCAP_VLAN_HWTSO);
880 scctx->isc_tx_csum_flags = CSUM_TCP | CSUM_UDP | CSUM_IP_TSO;
882 * We support MSI-X with 82574 only, but indicate to iflib(4)
883 * that it shall give MSI at least a try with other devices.
885 if (adapter->hw.mac.type == e1000_82574) {
886 scctx->isc_msix_bar = PCIR_BAR(EM_MSIX_BAR);
888 scctx->isc_msix_bar = -1;
889 scctx->isc_disable_msix = 1;
892 scctx->isc_txqsizes[0] = roundup2((scctx->isc_ntxd[0] + 1) * sizeof(struct e1000_tx_desc), EM_DBA_ALIGN);
893 scctx->isc_rxqsizes[0] = roundup2((scctx->isc_nrxd[0] + 1) * sizeof(struct e1000_rx_desc), EM_DBA_ALIGN);
894 scctx->isc_txd_size[0] = sizeof(struct e1000_tx_desc);
895 scctx->isc_rxd_size[0] = sizeof(struct e1000_rx_desc);
896 scctx->isc_tx_csum_flags = CSUM_TCP | CSUM_UDP;
897 scctx->isc_txrx = &lem_txrx;
898 scctx->isc_capabilities = scctx->isc_capenable = LEM_CAPS;
899 if (adapter->hw.mac.type < e1000_82543)
900 scctx->isc_capenable &= ~(IFCAP_HWCSUM|IFCAP_VLAN_HWCSUM);
902 scctx->isc_msix_bar = 0;
905 /* Setup PCI resources */
906 if (em_allocate_pci_resources(ctx)) {
907 device_printf(dev, "Allocation of PCI resources failed\n");
913 ** For ICH8 and family we need to
914 ** map the flash memory, and this
915 ** must happen after the MAC is
918 if ((hw->mac.type == e1000_ich8lan) ||
919 (hw->mac.type == e1000_ich9lan) ||
920 (hw->mac.type == e1000_ich10lan) ||
921 (hw->mac.type == e1000_pchlan) ||
922 (hw->mac.type == e1000_pch2lan) ||
923 (hw->mac.type == e1000_pch_lpt)) {
924 int rid = EM_BAR_TYPE_FLASH;
925 adapter->flash = bus_alloc_resource_any(dev,
926 SYS_RES_MEMORY, &rid, RF_ACTIVE);
927 if (adapter->flash == NULL) {
928 device_printf(dev, "Mapping of Flash failed\n");
932 /* This is used in the shared code */
933 hw->flash_address = (u8 *)adapter->flash;
934 adapter->osdep.flash_bus_space_tag =
935 rman_get_bustag(adapter->flash);
936 adapter->osdep.flash_bus_space_handle =
937 rman_get_bushandle(adapter->flash);
940 ** In the new SPT device flash is not a
941 ** separate BAR, rather it is also in BAR0,
942 ** so use the same tag and an offset handle for the
943 ** FLASH read/write macros in the shared code.
945 else if (hw->mac.type >= e1000_pch_spt) {
946 adapter->osdep.flash_bus_space_tag =
947 adapter->osdep.mem_bus_space_tag;
948 adapter->osdep.flash_bus_space_handle =
949 adapter->osdep.mem_bus_space_handle
950 + E1000_FLASH_BASE_ADDR;
953 /* Do Shared Code initialization */
954 error = e1000_setup_init_funcs(hw, TRUE);
956 device_printf(dev, "Setup of Shared code failed, error %d\n",
963 e1000_get_bus_info(hw);
965 /* Set up some sysctls for the tunable interrupt delays */
966 em_add_int_delay_sysctl(adapter, "rx_int_delay",
967 "receive interrupt delay in usecs", &adapter->rx_int_delay,
968 E1000_REGISTER(hw, E1000_RDTR), em_rx_int_delay_dflt);
969 em_add_int_delay_sysctl(adapter, "tx_int_delay",
970 "transmit interrupt delay in usecs", &adapter->tx_int_delay,
971 E1000_REGISTER(hw, E1000_TIDV), em_tx_int_delay_dflt);
972 em_add_int_delay_sysctl(adapter, "rx_abs_int_delay",
973 "receive interrupt delay limit in usecs",
974 &adapter->rx_abs_int_delay,
975 E1000_REGISTER(hw, E1000_RADV),
976 em_rx_abs_int_delay_dflt);
977 em_add_int_delay_sysctl(adapter, "tx_abs_int_delay",
978 "transmit interrupt delay limit in usecs",
979 &adapter->tx_abs_int_delay,
980 E1000_REGISTER(hw, E1000_TADV),
981 em_tx_abs_int_delay_dflt);
982 em_add_int_delay_sysctl(adapter, "itr",
983 "interrupt delay limit in usecs/4",
985 E1000_REGISTER(hw, E1000_ITR),
988 hw->mac.autoneg = DO_AUTO_NEG;
989 hw->phy.autoneg_wait_to_complete = FALSE;
990 hw->phy.autoneg_advertised = AUTONEG_ADV_DEFAULT;
992 if (adapter->hw.mac.type < em_mac_min) {
993 e1000_init_script_state_82541(&adapter->hw, TRUE);
994 e1000_set_tbi_compatibility_82543(&adapter->hw, TRUE);
997 if (hw->phy.media_type == e1000_media_type_copper) {
998 hw->phy.mdix = AUTO_ALL_MODES;
999 hw->phy.disable_polarity_correction = FALSE;
1000 hw->phy.ms_type = EM_MASTER_SLAVE;
1004 * Set the frame limits assuming
1005 * standard ethernet sized frames.
1007 scctx->isc_max_frame_size = adapter->hw.mac.max_frame_size =
1008 ETHERMTU + ETHER_HDR_LEN + ETHERNET_FCS_SIZE;
1011 * This controls when hardware reports transmit completion
1014 hw->mac.report_tx_early = 1;
1016 /* Allocate multicast array memory. */
1017 adapter->mta = malloc(sizeof(u8) * ETHER_ADDR_LEN *
1018 MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_NOWAIT);
1019 if (adapter->mta == NULL) {
1020 device_printf(dev, "Can not allocate multicast setup array\n");
1025 /* Check SOL/IDER usage */
1026 if (e1000_check_reset_block(hw))
1027 device_printf(dev, "PHY reset is blocked"
1028 " due to SOL/IDER session.\n");
1030 /* Sysctl for setting Energy Efficient Ethernet */
1031 hw->dev_spec.ich8lan.eee_disable = eee_setting;
1032 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
1033 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
1034 OID_AUTO, "eee_control",
1035 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
1036 adapter, 0, em_sysctl_eee, "I",
1037 "Disable Energy Efficient Ethernet");
1040 ** Start from a known state, this is
1041 ** important in reading the nvm and
1046 /* Make sure we have a good EEPROM before we read from it */
1047 if (e1000_validate_nvm_checksum(hw) < 0) {
1049 ** Some PCI-E parts fail the first check due to
1050 ** the link being in sleep state, call it again,
1051 ** if it fails a second time its a real issue.
1053 if (e1000_validate_nvm_checksum(hw) < 0) {
1055 "The EEPROM Checksum Is Not Valid\n");
1061 /* Copy the permanent MAC address out of the EEPROM */
1062 if (e1000_read_mac_addr(hw) < 0) {
1063 device_printf(dev, "EEPROM read error while reading MAC"
1069 if (!em_is_valid_ether_addr(hw->mac.addr)) {
1070 device_printf(dev, "Invalid MAC address\n");
1075 /* Disable ULP support */
1076 e1000_disable_ulp_lpt_lp(hw, TRUE);
1079 * Get Wake-on-Lan and Management info for later use
1083 /* Enable only WOL MAGIC by default */
1084 scctx->isc_capenable &= ~IFCAP_WOL;
1085 if (adapter->wol != 0)
1086 scctx->isc_capenable |= IFCAP_WOL_MAGIC;
1088 iflib_set_mac(ctx, hw->mac.addr);
1093 em_release_hw_control(adapter);
1095 em_free_pci_resources(ctx);
1096 free(adapter->mta, M_DEVBUF);
1102 em_if_attach_post(if_ctx_t ctx)
1104 struct adapter *adapter = iflib_get_softc(ctx);
1105 struct e1000_hw *hw = &adapter->hw;
1108 /* Setup OS specific network interface */
1109 error = em_setup_interface(ctx);
1116 /* Initialize statistics */
1117 em_update_stats_counters(adapter);
1118 hw->mac.get_link_status = 1;
1119 em_if_update_admin_status(ctx);
1120 em_add_hw_stats(adapter);
1122 /* Non-AMT based hardware can now take control from firmware */
1123 if (adapter->has_manage && !adapter->has_amt)
1124 em_get_hw_control(adapter);
1126 INIT_DEBUGOUT("em_if_attach_post: end");
1131 em_release_hw_control(adapter);
1132 em_free_pci_resources(ctx);
1133 em_if_queues_free(ctx);
1134 free(adapter->mta, M_DEVBUF);
1139 /*********************************************************************
1140 * Device removal routine
1142 * The detach entry point is called when the driver is being removed.
1143 * This routine stops the adapter and deallocates all the resources
1144 * that were allocated for driver operation.
1146 * return 0 on success, positive on failure
1147 *********************************************************************/
1149 em_if_detach(if_ctx_t ctx)
1151 struct adapter *adapter = iflib_get_softc(ctx);
1153 INIT_DEBUGOUT("em_if_detach: begin");
1155 e1000_phy_hw_reset(&adapter->hw);
1157 em_release_manageability(adapter);
1158 em_release_hw_control(adapter);
1159 em_free_pci_resources(ctx);
1164 /*********************************************************************
1166 * Shutdown entry point
1168 **********************************************************************/
1171 em_if_shutdown(if_ctx_t ctx)
1173 return em_if_suspend(ctx);
1177 * Suspend/resume device methods.
1180 em_if_suspend(if_ctx_t ctx)
1182 struct adapter *adapter = iflib_get_softc(ctx);
1184 em_release_manageability(adapter);
1185 em_release_hw_control(adapter);
1186 em_enable_wakeup(ctx);
1191 em_if_resume(if_ctx_t ctx)
1193 struct adapter *adapter = iflib_get_softc(ctx);
1195 if (adapter->hw.mac.type == e1000_pch2lan)
1196 e1000_resume_workarounds_pchlan(&adapter->hw);
1198 em_init_manageability(adapter);
1204 em_if_mtu_set(if_ctx_t ctx, uint32_t mtu)
1207 struct adapter *adapter = iflib_get_softc(ctx);
1208 if_softc_ctx_t scctx = iflib_get_softc_ctx(ctx);
1210 IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFMTU (Set Interface MTU)");
1212 switch (adapter->hw.mac.type) {
1216 case e1000_ich10lan:
1223 case e1000_80003es2lan:
1224 /* 9K Jumbo Frame size */
1225 max_frame_size = 9234;
1228 max_frame_size = 4096;
1232 /* Adapters that do not support jumbo frames */
1233 max_frame_size = ETHER_MAX_LEN;
1236 if (adapter->hw.mac.type >= igb_mac_min)
1237 max_frame_size = 9234;
1239 max_frame_size = MAX_JUMBO_FRAME_SIZE;
1241 if (mtu > max_frame_size - ETHER_HDR_LEN - ETHER_CRC_LEN) {
1245 scctx->isc_max_frame_size = adapter->hw.mac.max_frame_size =
1246 mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
1250 /*********************************************************************
1253 * This routine is used in two ways. It is used by the stack as
1254 * init entry point in network interface structure. It is also used
1255 * by the driver as a hw/sw initialization routine to get to a
1258 **********************************************************************/
1260 em_if_init(if_ctx_t ctx)
1262 struct adapter *adapter = iflib_get_softc(ctx);
1263 if_softc_ctx_t scctx = adapter->shared;
1264 struct ifnet *ifp = iflib_get_ifp(ctx);
1265 struct em_tx_queue *tx_que;
1268 INIT_DEBUGOUT("em_if_init: begin");
1270 /* Get the latest mac address, User can use a LAA */
1271 bcopy(if_getlladdr(ifp), adapter->hw.mac.addr,
1274 /* Put the address into the Receive Address Array */
1275 e1000_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
1278 * With the 82571 adapter, RAR[0] may be overwritten
1279 * when the other port is reset, we make a duplicate
1280 * in RAR[14] for that eventuality, this assures
1281 * the interface continues to function.
1283 if (adapter->hw.mac.type == e1000_82571) {
1284 e1000_set_laa_state_82571(&adapter->hw, TRUE);
1285 e1000_rar_set(&adapter->hw, adapter->hw.mac.addr,
1286 E1000_RAR_ENTRIES - 1);
1290 /* Initialize the hardware */
1292 em_if_update_admin_status(ctx);
1294 for (i = 0, tx_que = adapter->tx_queues; i < adapter->tx_num_queues; i++, tx_que++) {
1295 struct tx_ring *txr = &tx_que->txr;
1297 txr->tx_rs_cidx = txr->tx_rs_pidx;
1299 /* Initialize the last processed descriptor to be the end of
1300 * the ring, rather than the start, so that we avoid an
1301 * off-by-one error when calculating how many descriptors are
1302 * done in the credits_update function.
1304 txr->tx_cidx_processed = scctx->isc_ntxd[0] - 1;
1307 /* Setup VLAN support, basic and offload if available */
1308 E1000_WRITE_REG(&adapter->hw, E1000_VET, ETHERTYPE_VLAN);
1310 /* Clear bad data from Rx FIFOs */
1311 if (adapter->hw.mac.type >= igb_mac_min)
1312 e1000_rx_fifo_flush_82575(&adapter->hw);
1314 /* Configure for OS presence */
1315 em_init_manageability(adapter);
1317 /* Prepare transmit descriptors and buffers */
1318 em_initialize_transmit_unit(ctx);
1320 /* Setup Multicast table */
1321 em_if_multi_set(ctx);
1323 adapter->rx_mbuf_sz = iflib_get_rx_mbuf_sz(ctx);
1324 em_initialize_receive_unit(ctx);
1326 /* Use real VLAN Filter support? */
1327 if (if_getcapenable(ifp) & IFCAP_VLAN_HWTAGGING) {
1328 if (if_getcapenable(ifp) & IFCAP_VLAN_HWFILTER)
1329 /* Use real VLAN Filter support */
1330 em_setup_vlan_hw_support(adapter);
1333 ctrl = E1000_READ_REG(&adapter->hw, E1000_CTRL);
1334 ctrl |= E1000_CTRL_VME;
1335 E1000_WRITE_REG(&adapter->hw, E1000_CTRL, ctrl);
1339 /* Don't lose promiscuous settings */
1340 em_if_set_promisc(ctx, IFF_PROMISC);
1341 e1000_clear_hw_cntrs_base_generic(&adapter->hw);
1343 /* MSI-X configuration for 82574 */
1344 if (adapter->hw.mac.type == e1000_82574) {
1345 int tmp = E1000_READ_REG(&adapter->hw, E1000_CTRL_EXT);
1347 tmp |= E1000_CTRL_EXT_PBA_CLR;
1348 E1000_WRITE_REG(&adapter->hw, E1000_CTRL_EXT, tmp);
1349 /* Set the IVAR - interrupt vector routing. */
1350 E1000_WRITE_REG(&adapter->hw, E1000_IVAR, adapter->ivars);
1351 } else if (adapter->intr_type == IFLIB_INTR_MSIX) /* Set up queue routing */
1352 igb_configure_queues(adapter);
1354 /* this clears any pending interrupts */
1355 E1000_READ_REG(&adapter->hw, E1000_ICR);
1356 E1000_WRITE_REG(&adapter->hw, E1000_ICS, E1000_ICS_LSC);
1358 /* AMT based hardware can now take control from firmware */
1359 if (adapter->has_manage && adapter->has_amt)
1360 em_get_hw_control(adapter);
1362 /* Set Energy Efficient Ethernet */
1363 if (adapter->hw.mac.type >= igb_mac_min &&
1364 adapter->hw.phy.media_type == e1000_media_type_copper) {
1365 if (adapter->hw.mac.type == e1000_i354)
1366 e1000_set_eee_i354(&adapter->hw, TRUE, TRUE);
1368 e1000_set_eee_i350(&adapter->hw, TRUE, TRUE);
1372 /*********************************************************************
1374 * Fast Legacy/MSI Combined Interrupt Service routine
1376 *********************************************************************/
1380 struct adapter *adapter = arg;
1381 if_ctx_t ctx = adapter->ctx;
1384 reg_icr = E1000_READ_REG(&adapter->hw, E1000_ICR);
1387 if (reg_icr == 0xffffffff)
1388 return FILTER_STRAY;
1390 /* Definitely not our interrupt. */
1392 return FILTER_STRAY;
1395 * Starting with the 82571 chip, bit 31 should be used to
1396 * determine whether the interrupt belongs to us.
1398 if (adapter->hw.mac.type >= e1000_82571 &&
1399 (reg_icr & E1000_ICR_INT_ASSERTED) == 0)
1400 return FILTER_STRAY;
1403 * Only MSI-X interrupts have one-shot behavior by taking advantage
1404 * of the EIAC register. Thus, explicitly disable interrupts. This
1405 * also works around the MSI message reordering errata on certain
1408 IFDI_INTR_DISABLE(ctx);
1410 /* Link status change */
1411 if (reg_icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))
1412 em_handle_link(ctx);
1414 if (reg_icr & E1000_ICR_RXO)
1415 adapter->rx_overruns++;
1417 return (FILTER_SCHEDULE_THREAD);
1421 em_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid)
1423 struct adapter *adapter = iflib_get_softc(ctx);
1424 struct em_rx_queue *rxq = &adapter->rx_queues[rxqid];
1426 E1000_WRITE_REG(&adapter->hw, E1000_IMS, rxq->eims);
1431 em_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid)
1433 struct adapter *adapter = iflib_get_softc(ctx);
1434 struct em_tx_queue *txq = &adapter->tx_queues[txqid];
1436 E1000_WRITE_REG(&adapter->hw, E1000_IMS, txq->eims);
1441 igb_if_rx_queue_intr_enable(if_ctx_t ctx, uint16_t rxqid)
1443 struct adapter *adapter = iflib_get_softc(ctx);
1444 struct em_rx_queue *rxq = &adapter->rx_queues[rxqid];
1446 E1000_WRITE_REG(&adapter->hw, E1000_EIMS, rxq->eims);
1451 igb_if_tx_queue_intr_enable(if_ctx_t ctx, uint16_t txqid)
1453 struct adapter *adapter = iflib_get_softc(ctx);
1454 struct em_tx_queue *txq = &adapter->tx_queues[txqid];
1456 E1000_WRITE_REG(&adapter->hw, E1000_EIMS, txq->eims);
1460 /*********************************************************************
1462 * MSI-X RX Interrupt Service routine
1464 **********************************************************************/
1466 em_msix_que(void *arg)
1468 struct em_rx_queue *que = arg;
1472 return (FILTER_SCHEDULE_THREAD);
1475 /*********************************************************************
1477 * MSI-X Link Fast Interrupt Service routine
1479 **********************************************************************/
1481 em_msix_link(void *arg)
1483 struct adapter *adapter = arg;
1486 ++adapter->link_irq;
1487 MPASS(adapter->hw.back != NULL);
1488 reg_icr = E1000_READ_REG(&adapter->hw, E1000_ICR);
1490 if (reg_icr & E1000_ICR_RXO)
1491 adapter->rx_overruns++;
1493 if (reg_icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
1494 em_handle_link(adapter->ctx);
1495 } else if (adapter->hw.mac.type == e1000_82574) {
1496 /* Only re-arm 82574 if em_if_update_admin_status() won't. */
1497 E1000_WRITE_REG(&adapter->hw, E1000_IMS, EM_MSIX_LINK |
1501 if (adapter->hw.mac.type == e1000_82574) {
1503 * Because we must read the ICR for this interrupt it may
1504 * clear other causes using autoclear, for this reason we
1505 * simply create a soft interrupt for all these vectors.
1508 E1000_WRITE_REG(&adapter->hw, E1000_ICS, adapter->ims);
1510 /* Re-arm unconditionally */
1511 E1000_WRITE_REG(&adapter->hw, E1000_IMS, E1000_IMS_LSC);
1512 E1000_WRITE_REG(&adapter->hw, E1000_EIMS, adapter->link_mask);
1515 return (FILTER_HANDLED);
1519 em_handle_link(void *context)
1521 if_ctx_t ctx = context;
1522 struct adapter *adapter = iflib_get_softc(ctx);
1524 adapter->hw.mac.get_link_status = 1;
1525 iflib_admin_intr_deferred(ctx);
1528 /*********************************************************************
1530 * Media Ioctl callback
1532 * This routine is called whenever the user queries the status of
1533 * the interface using ifconfig.
1535 **********************************************************************/
1537 em_if_media_status(if_ctx_t ctx, struct ifmediareq *ifmr)
1539 struct adapter *adapter = iflib_get_softc(ctx);
1540 u_char fiber_type = IFM_1000_SX;
1542 INIT_DEBUGOUT("em_if_media_status: begin");
1544 iflib_admin_intr_deferred(ctx);
1546 ifmr->ifm_status = IFM_AVALID;
1547 ifmr->ifm_active = IFM_ETHER;
1549 if (!adapter->link_active) {
1553 ifmr->ifm_status |= IFM_ACTIVE;
1555 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) ||
1556 (adapter->hw.phy.media_type == e1000_media_type_internal_serdes)) {
1557 if (adapter->hw.mac.type == e1000_82545)
1558 fiber_type = IFM_1000_LX;
1559 ifmr->ifm_active |= fiber_type | IFM_FDX;
1561 switch (adapter->link_speed) {
1563 ifmr->ifm_active |= IFM_10_T;
1566 ifmr->ifm_active |= IFM_100_TX;
1569 ifmr->ifm_active |= IFM_1000_T;
1572 if (adapter->link_duplex == FULL_DUPLEX)
1573 ifmr->ifm_active |= IFM_FDX;
1575 ifmr->ifm_active |= IFM_HDX;
1579 /*********************************************************************
1581 * Media Ioctl callback
1583 * This routine is called when the user changes speed/duplex using
1584 * media/mediopt option with ifconfig.
1586 **********************************************************************/
1588 em_if_media_change(if_ctx_t ctx)
1590 struct adapter *adapter = iflib_get_softc(ctx);
1591 struct ifmedia *ifm = iflib_get_media(ctx);
1593 INIT_DEBUGOUT("em_if_media_change: begin");
1595 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1598 switch (IFM_SUBTYPE(ifm->ifm_media)) {
1600 adapter->hw.mac.autoneg = DO_AUTO_NEG;
1601 adapter->hw.phy.autoneg_advertised = AUTONEG_ADV_DEFAULT;
1606 adapter->hw.mac.autoneg = DO_AUTO_NEG;
1607 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
1610 adapter->hw.mac.autoneg = FALSE;
1611 adapter->hw.phy.autoneg_advertised = 0;
1612 if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX)
1613 adapter->hw.mac.forced_speed_duplex = ADVERTISE_100_FULL;
1615 adapter->hw.mac.forced_speed_duplex = ADVERTISE_100_HALF;
1618 adapter->hw.mac.autoneg = FALSE;
1619 adapter->hw.phy.autoneg_advertised = 0;
1620 if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX)
1621 adapter->hw.mac.forced_speed_duplex = ADVERTISE_10_FULL;
1623 adapter->hw.mac.forced_speed_duplex = ADVERTISE_10_HALF;
1626 device_printf(adapter->dev, "Unsupported media type\n");
1635 em_if_set_promisc(if_ctx_t ctx, int flags)
1637 struct adapter *adapter = iflib_get_softc(ctx);
1640 em_disable_promisc(ctx);
1642 reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
1644 if (flags & IFF_PROMISC) {
1645 reg_rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
1646 /* Turn this on if you want to see bad packets */
1648 reg_rctl |= E1000_RCTL_SBP;
1649 E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
1650 } else if (flags & IFF_ALLMULTI) {
1651 reg_rctl |= E1000_RCTL_MPE;
1652 reg_rctl &= ~E1000_RCTL_UPE;
1653 E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
1659 em_disable_promisc(if_ctx_t ctx)
1661 struct adapter *adapter = iflib_get_softc(ctx);
1662 struct ifnet *ifp = iflib_get_ifp(ctx);
1666 reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
1667 reg_rctl &= (~E1000_RCTL_UPE);
1668 if (if_getflags(ifp) & IFF_ALLMULTI)
1669 mcnt = MAX_NUM_MULTICAST_ADDRESSES;
1671 mcnt = if_llmaddr_count(ifp);
1672 /* Don't disable if in MAX groups */
1673 if (mcnt < MAX_NUM_MULTICAST_ADDRESSES)
1674 reg_rctl &= (~E1000_RCTL_MPE);
1675 reg_rctl &= (~E1000_RCTL_SBP);
1676 E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
1681 em_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
1685 if (cnt == MAX_NUM_MULTICAST_ADDRESSES)
1688 bcopy(LLADDR(sdl), &mta[cnt * ETHER_ADDR_LEN], ETHER_ADDR_LEN);
1693 /*********************************************************************
1696 * This routine is called whenever multicast address list is updated.
1698 **********************************************************************/
1701 em_if_multi_set(if_ctx_t ctx)
1703 struct adapter *adapter = iflib_get_softc(ctx);
1704 struct ifnet *ifp = iflib_get_ifp(ctx);
1706 u8 *mta; /* Multicast array memory */
1709 IOCTL_DEBUGOUT("em_set_multi: begin");
1712 bzero(mta, sizeof(u8) * ETHER_ADDR_LEN * MAX_NUM_MULTICAST_ADDRESSES);
1714 if (adapter->hw.mac.type == e1000_82542 &&
1715 adapter->hw.revision_id == E1000_REVISION_2) {
1716 reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
1717 if (adapter->hw.bus.pci_cmd_word & CMD_MEM_WRT_INVALIDATE)
1718 e1000_pci_clear_mwi(&adapter->hw);
1719 reg_rctl |= E1000_RCTL_RST;
1720 E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
1724 mcnt = if_foreach_llmaddr(ifp, em_copy_maddr, mta);
1726 if (mcnt >= MAX_NUM_MULTICAST_ADDRESSES) {
1727 reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
1728 reg_rctl |= E1000_RCTL_MPE;
1729 E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
1731 e1000_update_mc_addr_list(&adapter->hw, mta, mcnt);
1733 if (adapter->hw.mac.type == e1000_82542 &&
1734 adapter->hw.revision_id == E1000_REVISION_2) {
1735 reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
1736 reg_rctl &= ~E1000_RCTL_RST;
1737 E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
1739 if (adapter->hw.bus.pci_cmd_word & CMD_MEM_WRT_INVALIDATE)
1740 e1000_pci_set_mwi(&adapter->hw);
1744 /*********************************************************************
1747 * This routine schedules em_if_update_admin_status() to check for
1748 * link status and to gather statistics as well as to perform some
1749 * controller-specific hardware patting.
1751 **********************************************************************/
1753 em_if_timer(if_ctx_t ctx, uint16_t qid)
1759 iflib_admin_intr_deferred(ctx);
1763 em_if_update_admin_status(if_ctx_t ctx)
1765 struct adapter *adapter = iflib_get_softc(ctx);
1766 struct e1000_hw *hw = &adapter->hw;
1767 device_t dev = iflib_get_dev(ctx);
1768 u32 link_check, thstat, ctrl;
1770 link_check = thstat = ctrl = 0;
1771 /* Get the cached link value or read phy for real */
1772 switch (hw->phy.media_type) {
1773 case e1000_media_type_copper:
1774 if (hw->mac.get_link_status) {
1775 if (hw->mac.type == e1000_pch_spt)
1777 /* Do the work to read phy */
1778 e1000_check_for_link(hw);
1779 link_check = !hw->mac.get_link_status;
1780 if (link_check) /* ESB2 fix */
1781 e1000_cfg_on_link_up(hw);
1786 case e1000_media_type_fiber:
1787 e1000_check_for_link(hw);
1788 link_check = (E1000_READ_REG(hw, E1000_STATUS) &
1791 case e1000_media_type_internal_serdes:
1792 e1000_check_for_link(hw);
1793 link_check = adapter->hw.mac.serdes_has_link;
1795 /* VF device is type_unknown */
1796 case e1000_media_type_unknown:
1797 e1000_check_for_link(hw);
1798 link_check = !hw->mac.get_link_status;
1804 /* Check for thermal downshift or shutdown */
1805 if (hw->mac.type == e1000_i350) {
1806 thstat = E1000_READ_REG(hw, E1000_THSTAT);
1807 ctrl = E1000_READ_REG(hw, E1000_CTRL_EXT);
1810 /* Now check for a transition */
1811 if (link_check && (adapter->link_active == 0)) {
1812 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
1813 &adapter->link_duplex);
1814 /* Check if we must disable SPEED_MODE bit on PCI-E */
1815 if ((adapter->link_speed != SPEED_1000) &&
1816 ((hw->mac.type == e1000_82571) ||
1817 (hw->mac.type == e1000_82572))) {
1819 tarc0 = E1000_READ_REG(hw, E1000_TARC(0));
1820 tarc0 &= ~TARC_SPEED_MODE_BIT;
1821 E1000_WRITE_REG(hw, E1000_TARC(0), tarc0);
1824 device_printf(dev, "Link is up %d Mbps %s\n",
1825 adapter->link_speed,
1826 ((adapter->link_duplex == FULL_DUPLEX) ?
1827 "Full Duplex" : "Half Duplex"));
1828 adapter->link_active = 1;
1829 adapter->smartspeed = 0;
1830 if ((ctrl & E1000_CTRL_EXT_LINK_MODE_MASK) ==
1831 E1000_CTRL_EXT_LINK_MODE_GMII &&
1832 (thstat & E1000_THSTAT_LINK_THROTTLE))
1833 device_printf(dev, "Link: thermal downshift\n");
1834 /* Delay Link Up for Phy update */
1835 if (((hw->mac.type == e1000_i210) ||
1836 (hw->mac.type == e1000_i211)) &&
1837 (hw->phy.id == I210_I_PHY_ID))
1838 msec_delay(I210_LINK_DELAY);
1839 /* Reset if the media type changed. */
1840 if ((hw->dev_spec._82575.media_changed) &&
1841 (adapter->hw.mac.type >= igb_mac_min)) {
1842 hw->dev_spec._82575.media_changed = false;
1843 adapter->flags |= IGB_MEDIA_RESET;
1846 iflib_link_state_change(ctx, LINK_STATE_UP,
1847 IF_Mbps(adapter->link_speed));
1848 } else if (!link_check && (adapter->link_active == 1)) {
1849 adapter->link_speed = 0;
1850 adapter->link_duplex = 0;
1851 adapter->link_active = 0;
1852 iflib_link_state_change(ctx, LINK_STATE_DOWN, 0);
1854 em_update_stats_counters(adapter);
1856 /* Reset LAA into RAR[0] on 82571 */
1857 if (hw->mac.type == e1000_82571 && e1000_get_laa_state_82571(hw))
1858 e1000_rar_set(hw, hw->mac.addr, 0);
1860 if (hw->mac.type < em_mac_min)
1861 lem_smartspeed(adapter);
1862 else if (hw->mac.type == e1000_82574 &&
1863 adapter->intr_type == IFLIB_INTR_MSIX)
1864 E1000_WRITE_REG(&adapter->hw, E1000_IMS, EM_MSIX_LINK |
1869 em_if_watchdog_reset(if_ctx_t ctx)
1871 struct adapter *adapter = iflib_get_softc(ctx);
1874 * Just count the event; iflib(4) will already trigger a
1875 * sufficient reset of the controller.
1877 adapter->watchdog_events++;
1880 /*********************************************************************
1882 * This routine disables all traffic on the adapter by issuing a
1883 * global reset on the MAC.
1885 **********************************************************************/
1887 em_if_stop(if_ctx_t ctx)
1889 struct adapter *adapter = iflib_get_softc(ctx);
1891 INIT_DEBUGOUT("em_if_stop: begin");
1893 e1000_reset_hw(&adapter->hw);
1894 if (adapter->hw.mac.type >= e1000_82544)
1895 E1000_WRITE_REG(&adapter->hw, E1000_WUFC, 0);
1897 e1000_led_off(&adapter->hw);
1898 e1000_cleanup_led(&adapter->hw);
1901 /*********************************************************************
1903 * Determine hardware revision.
1905 **********************************************************************/
1907 em_identify_hardware(if_ctx_t ctx)
1909 device_t dev = iflib_get_dev(ctx);
1910 struct adapter *adapter = iflib_get_softc(ctx);
1912 /* Make sure our PCI config space has the necessary stuff set */
1913 adapter->hw.bus.pci_cmd_word = pci_read_config(dev, PCIR_COMMAND, 2);
1915 /* Save off the information about this board */
1916 adapter->hw.vendor_id = pci_get_vendor(dev);
1917 adapter->hw.device_id = pci_get_device(dev);
1918 adapter->hw.revision_id = pci_read_config(dev, PCIR_REVID, 1);
1919 adapter->hw.subsystem_vendor_id =
1920 pci_read_config(dev, PCIR_SUBVEND_0, 2);
1921 adapter->hw.subsystem_device_id =
1922 pci_read_config(dev, PCIR_SUBDEV_0, 2);
1924 /* Do Shared Code Init and Setup */
1925 if (e1000_set_mac_type(&adapter->hw)) {
1926 device_printf(dev, "Setup init failure\n");
1932 em_allocate_pci_resources(if_ctx_t ctx)
1934 struct adapter *adapter = iflib_get_softc(ctx);
1935 device_t dev = iflib_get_dev(ctx);
1939 adapter->memory = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
1941 if (adapter->memory == NULL) {
1942 device_printf(dev, "Unable to allocate bus resource: memory\n");
1945 adapter->osdep.mem_bus_space_tag = rman_get_bustag(adapter->memory);
1946 adapter->osdep.mem_bus_space_handle =
1947 rman_get_bushandle(adapter->memory);
1948 adapter->hw.hw_addr = (u8 *)&adapter->osdep.mem_bus_space_handle;
1950 /* Only older adapters use IO mapping */
1951 if (adapter->hw.mac.type < em_mac_min &&
1952 adapter->hw.mac.type > e1000_82543) {
1953 /* Figure our where our IO BAR is ? */
1954 for (rid = PCIR_BAR(0); rid < PCIR_CIS;) {
1955 val = pci_read_config(dev, rid, 4);
1956 if (EM_BAR_TYPE(val) == EM_BAR_TYPE_IO) {
1960 /* check for 64bit BAR */
1961 if (EM_BAR_MEM_TYPE(val) == EM_BAR_MEM_TYPE_64BIT)
1964 if (rid >= PCIR_CIS) {
1965 device_printf(dev, "Unable to locate IO BAR\n");
1968 adapter->ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
1970 if (adapter->ioport == NULL) {
1971 device_printf(dev, "Unable to allocate bus resource: "
1975 adapter->hw.io_base = 0;
1976 adapter->osdep.io_bus_space_tag =
1977 rman_get_bustag(adapter->ioport);
1978 adapter->osdep.io_bus_space_handle =
1979 rman_get_bushandle(adapter->ioport);
1982 adapter->hw.back = &adapter->osdep;
1987 /*********************************************************************
1989 * Set up the MSI-X Interrupt handlers
1991 **********************************************************************/
1993 em_if_msix_intr_assign(if_ctx_t ctx, int msix)
1995 struct adapter *adapter = iflib_get_softc(ctx);
1996 struct em_rx_queue *rx_que = adapter->rx_queues;
1997 struct em_tx_queue *tx_que = adapter->tx_queues;
1998 int error, rid, i, vector = 0, rx_vectors;
2001 /* First set up ring resources */
2002 for (i = 0; i < adapter->rx_num_queues; i++, rx_que++, vector++) {
2004 snprintf(buf, sizeof(buf), "rxq%d", i);
2005 error = iflib_irq_alloc_generic(ctx, &rx_que->que_irq, rid, IFLIB_INTR_RXTX, em_msix_que, rx_que, rx_que->me, buf);
2007 device_printf(iflib_get_dev(ctx), "Failed to allocate que int %d err: %d", i, error);
2008 adapter->rx_num_queues = i + 1;
2012 rx_que->msix = vector;
2015 * Set the bit to enable interrupt
2016 * in E1000_IMS -- bits 20 and 21
2017 * are for RX0 and RX1, note this has
2018 * NOTHING to do with the MSI-X vector
2020 if (adapter->hw.mac.type == e1000_82574) {
2021 rx_que->eims = 1 << (20 + i);
2022 adapter->ims |= rx_que->eims;
2023 adapter->ivars |= (8 | rx_que->msix) << (i * 4);
2024 } else if (adapter->hw.mac.type == e1000_82575)
2025 rx_que->eims = E1000_EICR_TX_QUEUE0 << vector;
2027 rx_que->eims = 1 << vector;
2029 rx_vectors = vector;
2032 for (i = 0; i < adapter->tx_num_queues; i++, tx_que++, vector++) {
2033 snprintf(buf, sizeof(buf), "txq%d", i);
2034 tx_que = &adapter->tx_queues[i];
2035 iflib_softirq_alloc_generic(ctx,
2036 &adapter->rx_queues[i % adapter->rx_num_queues].que_irq,
2037 IFLIB_INTR_TX, tx_que, tx_que->me, buf);
2039 tx_que->msix = (vector % adapter->rx_num_queues);
2042 * Set the bit to enable interrupt
2043 * in E1000_IMS -- bits 22 and 23
2044 * are for TX0 and TX1, note this has
2045 * NOTHING to do with the MSI-X vector
2047 if (adapter->hw.mac.type == e1000_82574) {
2048 tx_que->eims = 1 << (22 + i);
2049 adapter->ims |= tx_que->eims;
2050 adapter->ivars |= (8 | tx_que->msix) << (8 + (i * 4));
2051 } else if (adapter->hw.mac.type == e1000_82575) {
2052 tx_que->eims = E1000_EICR_TX_QUEUE0 << i;
2054 tx_que->eims = 1 << i;
2058 /* Link interrupt */
2059 rid = rx_vectors + 1;
2060 error = iflib_irq_alloc_generic(ctx, &adapter->irq, rid, IFLIB_INTR_ADMIN, em_msix_link, adapter, 0, "aq");
2063 device_printf(iflib_get_dev(ctx), "Failed to register admin handler");
2066 adapter->linkvec = rx_vectors;
2067 if (adapter->hw.mac.type < igb_mac_min) {
2068 adapter->ivars |= (8 | rx_vectors) << 16;
2069 adapter->ivars |= 0x80000000;
2073 iflib_irq_free(ctx, &adapter->irq);
2074 rx_que = adapter->rx_queues;
2075 for (int i = 0; i < adapter->rx_num_queues; i++, rx_que++)
2076 iflib_irq_free(ctx, &rx_que->que_irq);
2081 igb_configure_queues(struct adapter *adapter)
2083 struct e1000_hw *hw = &adapter->hw;
2084 struct em_rx_queue *rx_que;
2085 struct em_tx_queue *tx_que;
2086 u32 tmp, ivar = 0, newitr = 0;
2088 /* First turn on RSS capability */
2089 if (adapter->hw.mac.type != e1000_82575)
2090 E1000_WRITE_REG(hw, E1000_GPIE,
2091 E1000_GPIE_MSIX_MODE | E1000_GPIE_EIAME |
2092 E1000_GPIE_PBA | E1000_GPIE_NSICR);
2095 switch (adapter->hw.mac.type) {
2102 case e1000_vfadapt_i350:
2104 for (int i = 0; i < adapter->rx_num_queues; i++) {
2106 ivar = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
2107 rx_que = &adapter->rx_queues[i];
2110 ivar |= (rx_que->msix | E1000_IVAR_VALID) << 16;
2113 ivar |= rx_que->msix | E1000_IVAR_VALID;
2115 E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, ivar);
2118 for (int i = 0; i < adapter->tx_num_queues; i++) {
2120 ivar = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
2121 tx_que = &adapter->tx_queues[i];
2124 ivar |= (tx_que->msix | E1000_IVAR_VALID) << 24;
2127 ivar |= (tx_que->msix | E1000_IVAR_VALID) << 8;
2129 E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, ivar);
2130 adapter->que_mask |= tx_que->eims;
2133 /* And for the link interrupt */
2134 ivar = (adapter->linkvec | E1000_IVAR_VALID) << 8;
2135 adapter->link_mask = 1 << adapter->linkvec;
2136 E1000_WRITE_REG(hw, E1000_IVAR_MISC, ivar);
2140 for (int i = 0; i < adapter->rx_num_queues; i++) {
2141 u32 index = i & 0x7; /* Each IVAR has two entries */
2142 ivar = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
2143 rx_que = &adapter->rx_queues[i];
2146 ivar |= rx_que->msix | E1000_IVAR_VALID;
2149 ivar |= (rx_que->msix | E1000_IVAR_VALID) << 16;
2151 E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, ivar);
2152 adapter->que_mask |= rx_que->eims;
2155 for (int i = 0; i < adapter->tx_num_queues; i++) {
2156 u32 index = i & 0x7; /* Each IVAR has two entries */
2157 ivar = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
2158 tx_que = &adapter->tx_queues[i];
2161 ivar |= (tx_que->msix | E1000_IVAR_VALID) << 8;
2164 ivar |= (tx_que->msix | E1000_IVAR_VALID) << 24;
2166 E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, ivar);
2167 adapter->que_mask |= tx_que->eims;
2170 /* And for the link interrupt */
2171 ivar = (adapter->linkvec | E1000_IVAR_VALID) << 8;
2172 adapter->link_mask = 1 << adapter->linkvec;
2173 E1000_WRITE_REG(hw, E1000_IVAR_MISC, ivar);
2177 /* enable MSI-X support*/
2178 tmp = E1000_READ_REG(hw, E1000_CTRL_EXT);
2179 tmp |= E1000_CTRL_EXT_PBA_CLR;
2180 /* Auto-Mask interrupts upon ICR read. */
2181 tmp |= E1000_CTRL_EXT_EIAME;
2182 tmp |= E1000_CTRL_EXT_IRCA;
2183 E1000_WRITE_REG(hw, E1000_CTRL_EXT, tmp);
2186 for (int i = 0; i < adapter->rx_num_queues; i++) {
2187 rx_que = &adapter->rx_queues[i];
2188 tmp = E1000_EICR_RX_QUEUE0 << i;
2189 tmp |= E1000_EICR_TX_QUEUE0 << i;
2191 E1000_WRITE_REG_ARRAY(hw, E1000_MSIXBM(0),
2193 adapter->que_mask |= rx_que->eims;
2197 E1000_WRITE_REG(hw, E1000_MSIXBM(adapter->linkvec),
2199 adapter->link_mask |= E1000_EIMS_OTHER;
2204 /* Set the starting interrupt rate */
2205 if (em_max_interrupt_rate > 0)
2206 newitr = (4000000 / em_max_interrupt_rate) & 0x7FFC;
2208 if (hw->mac.type == e1000_82575)
2209 newitr |= newitr << 16;
2211 newitr |= E1000_EITR_CNT_IGNR;
2213 for (int i = 0; i < adapter->rx_num_queues; i++) {
2214 rx_que = &adapter->rx_queues[i];
2215 E1000_WRITE_REG(hw, E1000_EITR(rx_que->msix), newitr);
2222 em_free_pci_resources(if_ctx_t ctx)
2224 struct adapter *adapter = iflib_get_softc(ctx);
2225 struct em_rx_queue *que = adapter->rx_queues;
2226 device_t dev = iflib_get_dev(ctx);
2228 /* Release all MSI-X queue resources */
2229 if (adapter->intr_type == IFLIB_INTR_MSIX)
2230 iflib_irq_free(ctx, &adapter->irq);
2232 for (int i = 0; i < adapter->rx_num_queues; i++, que++) {
2233 iflib_irq_free(ctx, &que->que_irq);
2236 if (adapter->memory != NULL) {
2237 bus_release_resource(dev, SYS_RES_MEMORY,
2238 rman_get_rid(adapter->memory), adapter->memory);
2239 adapter->memory = NULL;
2242 if (adapter->flash != NULL) {
2243 bus_release_resource(dev, SYS_RES_MEMORY,
2244 rman_get_rid(adapter->flash), adapter->flash);
2245 adapter->flash = NULL;
2248 if (adapter->ioport != NULL) {
2249 bus_release_resource(dev, SYS_RES_IOPORT,
2250 rman_get_rid(adapter->ioport), adapter->ioport);
2251 adapter->ioport = NULL;
2255 /* Set up MSI or MSI-X */
2257 em_setup_msix(if_ctx_t ctx)
2259 struct adapter *adapter = iflib_get_softc(ctx);
2261 if (adapter->hw.mac.type == e1000_82574) {
2262 em_enable_vectors_82574(ctx);
2267 /*********************************************************************
2269 * Workaround for SmartSpeed on 82541 and 82547 controllers
2271 **********************************************************************/
2273 lem_smartspeed(struct adapter *adapter)
2277 if (adapter->link_active || (adapter->hw.phy.type != e1000_phy_igp) ||
2278 adapter->hw.mac.autoneg == 0 ||
2279 (adapter->hw.phy.autoneg_advertised & ADVERTISE_1000_FULL) == 0)
2282 if (adapter->smartspeed == 0) {
2283 /* If Master/Slave config fault is asserted twice,
2284 * we assume back-to-back */
2285 e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_tmp);
2286 if (!(phy_tmp & SR_1000T_MS_CONFIG_FAULT))
2288 e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_tmp);
2289 if (phy_tmp & SR_1000T_MS_CONFIG_FAULT) {
2290 e1000_read_phy_reg(&adapter->hw,
2291 PHY_1000T_CTRL, &phy_tmp);
2292 if(phy_tmp & CR_1000T_MS_ENABLE) {
2293 phy_tmp &= ~CR_1000T_MS_ENABLE;
2294 e1000_write_phy_reg(&adapter->hw,
2295 PHY_1000T_CTRL, phy_tmp);
2296 adapter->smartspeed++;
2297 if(adapter->hw.mac.autoneg &&
2298 !e1000_copper_link_autoneg(&adapter->hw) &&
2299 !e1000_read_phy_reg(&adapter->hw,
2300 PHY_CONTROL, &phy_tmp)) {
2301 phy_tmp |= (MII_CR_AUTO_NEG_EN |
2302 MII_CR_RESTART_AUTO_NEG);
2303 e1000_write_phy_reg(&adapter->hw,
2304 PHY_CONTROL, phy_tmp);
2309 } else if(adapter->smartspeed == EM_SMARTSPEED_DOWNSHIFT) {
2310 /* If still no link, perhaps using 2/3 pair cable */
2311 e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_tmp);
2312 phy_tmp |= CR_1000T_MS_ENABLE;
2313 e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, phy_tmp);
2314 if(adapter->hw.mac.autoneg &&
2315 !e1000_copper_link_autoneg(&adapter->hw) &&
2316 !e1000_read_phy_reg(&adapter->hw, PHY_CONTROL, &phy_tmp)) {
2317 phy_tmp |= (MII_CR_AUTO_NEG_EN |
2318 MII_CR_RESTART_AUTO_NEG);
2319 e1000_write_phy_reg(&adapter->hw, PHY_CONTROL, phy_tmp);
2322 /* Restart process after EM_SMARTSPEED_MAX iterations */
2323 if(adapter->smartspeed++ == EM_SMARTSPEED_MAX)
2324 adapter->smartspeed = 0;
2327 /*********************************************************************
2329 * Initialize the DMA Coalescing feature
2331 **********************************************************************/
2333 igb_init_dmac(struct adapter *adapter, u32 pba)
2335 device_t dev = adapter->dev;
2336 struct e1000_hw *hw = &adapter->hw;
2337 u32 dmac, reg = ~E1000_DMACR_DMAC_EN;
2341 if (hw->mac.type == e1000_i211)
2344 max_frame_size = adapter->shared->isc_max_frame_size;
2345 if (hw->mac.type > e1000_82580) {
2347 if (adapter->dmac == 0) { /* Disabling it */
2348 E1000_WRITE_REG(hw, E1000_DMACR, reg);
2351 device_printf(dev, "DMA Coalescing enabled\n");
2353 /* Set starting threshold */
2354 E1000_WRITE_REG(hw, E1000_DMCTXTH, 0);
2356 hwm = 64 * pba - max_frame_size / 16;
2357 if (hwm < 64 * (pba - 6))
2358 hwm = 64 * (pba - 6);
2359 reg = E1000_READ_REG(hw, E1000_FCRTC);
2360 reg &= ~E1000_FCRTC_RTH_COAL_MASK;
2361 reg |= ((hwm << E1000_FCRTC_RTH_COAL_SHIFT)
2362 & E1000_FCRTC_RTH_COAL_MASK);
2363 E1000_WRITE_REG(hw, E1000_FCRTC, reg);
2366 dmac = pba - max_frame_size / 512;
2367 if (dmac < pba - 10)
2369 reg = E1000_READ_REG(hw, E1000_DMACR);
2370 reg &= ~E1000_DMACR_DMACTHR_MASK;
2371 reg |= ((dmac << E1000_DMACR_DMACTHR_SHIFT)
2372 & E1000_DMACR_DMACTHR_MASK);
2374 /* transition to L0x or L1 if available..*/
2375 reg |= (E1000_DMACR_DMAC_EN | E1000_DMACR_DMAC_LX_MASK);
2377 /* Check if status is 2.5Gb backplane connection
2378 * before configuration of watchdog timer, which is
2379 * in msec values in 12.8usec intervals
2380 * watchdog timer= msec values in 32usec intervals
2381 * for non 2.5Gb connection
2383 if (hw->mac.type == e1000_i354) {
2384 int status = E1000_READ_REG(hw, E1000_STATUS);
2385 if ((status & E1000_STATUS_2P5_SKU) &&
2386 (!(status & E1000_STATUS_2P5_SKU_OVER)))
2387 reg |= ((adapter->dmac * 5) >> 6);
2389 reg |= (adapter->dmac >> 5);
2391 reg |= (adapter->dmac >> 5);
2394 E1000_WRITE_REG(hw, E1000_DMACR, reg);
2396 E1000_WRITE_REG(hw, E1000_DMCRTRH, 0);
2398 /* Set the interval before transition */
2399 reg = E1000_READ_REG(hw, E1000_DMCTLX);
2400 if (hw->mac.type == e1000_i350)
2401 reg |= IGB_DMCTLX_DCFLUSH_DIS;
2403 ** in 2.5Gb connection, TTLX unit is 0.4 usec
2404 ** which is 0x4*2 = 0xA. But delay is still 4 usec
2406 if (hw->mac.type == e1000_i354) {
2407 int status = E1000_READ_REG(hw, E1000_STATUS);
2408 if ((status & E1000_STATUS_2P5_SKU) &&
2409 (!(status & E1000_STATUS_2P5_SKU_OVER)))
2417 E1000_WRITE_REG(hw, E1000_DMCTLX, reg);
2419 /* free space in tx packet buffer to wake from DMA coal */
2420 E1000_WRITE_REG(hw, E1000_DMCTXTH, (IGB_TXPBSIZE -
2421 (2 * max_frame_size)) >> 6);
2423 /* make low power state decision controlled by DMA coal */
2424 reg = E1000_READ_REG(hw, E1000_PCIEMISC);
2425 reg &= ~E1000_PCIEMISC_LX_DECISION;
2426 E1000_WRITE_REG(hw, E1000_PCIEMISC, reg);
2428 } else if (hw->mac.type == e1000_82580) {
2429 u32 reg = E1000_READ_REG(hw, E1000_PCIEMISC);
2430 E1000_WRITE_REG(hw, E1000_PCIEMISC,
2431 reg & ~E1000_PCIEMISC_LX_DECISION);
2432 E1000_WRITE_REG(hw, E1000_DMACR, 0);
2436 /*********************************************************************
2438 * Initialize the hardware to a configuration as specified by the
2439 * adapter structure.
2441 **********************************************************************/
2443 em_reset(if_ctx_t ctx)
2445 device_t dev = iflib_get_dev(ctx);
2446 struct adapter *adapter = iflib_get_softc(ctx);
2447 struct ifnet *ifp = iflib_get_ifp(ctx);
2448 struct e1000_hw *hw = &adapter->hw;
2452 INIT_DEBUGOUT("em_reset: begin");
2453 /* Let the firmware know the OS is in control */
2454 em_get_hw_control(adapter);
2456 /* Set up smart power down as default off on newer adapters. */
2457 if (!em_smart_pwr_down && (hw->mac.type == e1000_82571 ||
2458 hw->mac.type == e1000_82572)) {
2461 /* Speed up time to link by disabling smart power down. */
2462 e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, &phy_tmp);
2463 phy_tmp &= ~IGP02E1000_PM_SPD;
2464 e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, phy_tmp);
2468 * Packet Buffer Allocation (PBA)
2469 * Writing PBA sets the receive portion of the buffer
2470 * the remainder is used for the transmit buffer.
2472 switch (hw->mac.type) {
2473 /* Total Packet Buffer on these is 48K */
2476 case e1000_80003es2lan:
2477 pba = E1000_PBA_32K; /* 32K for Rx, 16K for Tx */
2479 case e1000_82573: /* 82573: Total Packet Buffer is 32K */
2480 pba = E1000_PBA_12K; /* 12K for Rx, 20K for Tx */
2484 pba = E1000_PBA_20K; /* 20K for Rx, 20K for Tx */
2490 case e1000_ich10lan:
2491 /* Boost Receive side for jumbo frames */
2492 if (adapter->hw.mac.max_frame_size > 4096)
2493 pba = E1000_PBA_14K;
2495 pba = E1000_PBA_10K;
2502 pba = E1000_PBA_26K;
2505 pba = E1000_PBA_32K;
2509 pba = E1000_READ_REG(hw, E1000_RXPBS);
2510 pba &= E1000_RXPBS_SIZE_MASK_82576;
2515 case e1000_vfadapt_i350:
2516 pba = E1000_READ_REG(hw, E1000_RXPBS);
2517 pba = e1000_rxpbs_adjust_82580(pba);
2521 pba = E1000_PBA_34K;
2524 if (adapter->hw.mac.max_frame_size > 8192)
2525 pba = E1000_PBA_40K; /* 40K for Rx, 24K for Tx */
2527 pba = E1000_PBA_48K; /* 48K for Rx, 16K for Tx */
2530 /* Special needs in case of Jumbo frames */
2531 if ((hw->mac.type == e1000_82575) && (ifp->if_mtu > ETHERMTU)) {
2532 u32 tx_space, min_tx, min_rx;
2533 pba = E1000_READ_REG(hw, E1000_PBA);
2534 tx_space = pba >> 16;
2536 min_tx = (adapter->hw.mac.max_frame_size +
2537 sizeof(struct e1000_tx_desc) - ETHERNET_FCS_SIZE) * 2;
2538 min_tx = roundup2(min_tx, 1024);
2540 min_rx = adapter->hw.mac.max_frame_size;
2541 min_rx = roundup2(min_rx, 1024);
2543 if (tx_space < min_tx &&
2544 ((min_tx - tx_space) < pba)) {
2545 pba = pba - (min_tx - tx_space);
2547 * if short on rx space, rx wins
2548 * and must trump tx adjustment
2553 E1000_WRITE_REG(hw, E1000_PBA, pba);
2556 if (hw->mac.type < igb_mac_min)
2557 E1000_WRITE_REG(&adapter->hw, E1000_PBA, pba);
2559 INIT_DEBUGOUT1("em_reset: pba=%dK",pba);
2562 * These parameters control the automatic generation (Tx) and
2563 * response (Rx) to Ethernet PAUSE frames.
2564 * - High water mark should allow for at least two frames to be
2565 * received after sending an XOFF.
2566 * - Low water mark works best when it is very near the high water mark.
2567 * This allows the receiver to restart by sending XON when it has
2568 * drained a bit. Here we use an arbitrary value of 1500 which will
2569 * restart after one full frame is pulled from the buffer. There
2570 * could be several smaller frames in the buffer and if so they will
2571 * not trigger the XON until their total number reduces the buffer
2573 * - The pause time is fairly large at 1000 x 512ns = 512 usec.
2575 rx_buffer_size = (pba & 0xffff) << 10;
2576 hw->fc.high_water = rx_buffer_size -
2577 roundup2(adapter->hw.mac.max_frame_size, 1024);
2578 hw->fc.low_water = hw->fc.high_water - 1500;
2580 if (adapter->fc) /* locally set flow control value? */
2581 hw->fc.requested_mode = adapter->fc;
2583 hw->fc.requested_mode = e1000_fc_full;
2585 if (hw->mac.type == e1000_80003es2lan)
2586 hw->fc.pause_time = 0xFFFF;
2588 hw->fc.pause_time = EM_FC_PAUSE_TIME;
2590 hw->fc.send_xon = TRUE;
2592 /* Device specific overrides/settings */
2593 switch (hw->mac.type) {
2595 /* Workaround: no TX flow ctrl for PCH */
2596 hw->fc.requested_mode = e1000_fc_rx_pause;
2597 hw->fc.pause_time = 0xFFFF; /* override */
2598 if (if_getmtu(ifp) > ETHERMTU) {
2599 hw->fc.high_water = 0x3500;
2600 hw->fc.low_water = 0x1500;
2602 hw->fc.high_water = 0x5000;
2603 hw->fc.low_water = 0x3000;
2605 hw->fc.refresh_time = 0x1000;
2611 hw->fc.high_water = 0x5C20;
2612 hw->fc.low_water = 0x5048;
2613 hw->fc.pause_time = 0x0650;
2614 hw->fc.refresh_time = 0x0400;
2615 /* Jumbos need adjusted PBA */
2616 if (if_getmtu(ifp) > ETHERMTU)
2617 E1000_WRITE_REG(hw, E1000_PBA, 12);
2619 E1000_WRITE_REG(hw, E1000_PBA, 26);
2623 /* 8-byte granularity */
2624 hw->fc.low_water = hw->fc.high_water - 8;
2632 case e1000_vfadapt_i350:
2633 /* 16-byte granularity */
2634 hw->fc.low_water = hw->fc.high_water - 16;
2637 case e1000_ich10lan:
2638 if (if_getmtu(ifp) > ETHERMTU) {
2639 hw->fc.high_water = 0x2800;
2640 hw->fc.low_water = hw->fc.high_water - 8;
2645 if (hw->mac.type == e1000_80003es2lan)
2646 hw->fc.pause_time = 0xFFFF;
2650 /* Issue a global reset */
2652 if (adapter->hw.mac.type >= igb_mac_min) {
2653 E1000_WRITE_REG(hw, E1000_WUC, 0);
2655 E1000_WRITE_REG(hw, E1000_WUFC, 0);
2656 em_disable_aspm(adapter);
2658 if (adapter->flags & IGB_MEDIA_RESET) {
2659 e1000_setup_init_funcs(hw, TRUE);
2660 e1000_get_bus_info(hw);
2661 adapter->flags &= ~IGB_MEDIA_RESET;
2664 if (e1000_init_hw(hw) < 0) {
2665 device_printf(dev, "Hardware Initialization Failed\n");
2668 if (adapter->hw.mac.type >= igb_mac_min)
2669 igb_init_dmac(adapter, pba);
2671 E1000_WRITE_REG(hw, E1000_VET, ETHERTYPE_VLAN);
2672 e1000_get_phy_info(hw);
2673 e1000_check_for_link(hw);
2677 * Initialise the RSS mapping for NICs that support multiple transmit/
2681 #define RSSKEYLEN 10
2683 em_initialize_rss_mapping(struct adapter *adapter)
2685 uint8_t rss_key[4 * RSSKEYLEN];
2687 struct e1000_hw *hw = &adapter->hw;
2693 arc4rand(rss_key, sizeof(rss_key), 0);
2694 for (i = 0; i < RSSKEYLEN; ++i) {
2697 rssrk = EM_RSSRK_VAL(rss_key, i);
2698 E1000_WRITE_REG(hw,E1000_RSSRK(i), rssrk);
2702 * Configure RSS redirect table in following fashion:
2703 * (hash & ring_cnt_mask) == rdr_table[(hash & rdr_table_mask)]
2705 for (i = 0; i < sizeof(reta); ++i) {
2708 q = (i % adapter->rx_num_queues) << 7;
2709 reta |= q << (8 * i);
2712 for (i = 0; i < 32; ++i)
2713 E1000_WRITE_REG(hw, E1000_RETA(i), reta);
2715 E1000_WRITE_REG(hw, E1000_MRQC, E1000_MRQC_RSS_ENABLE_2Q |
2716 E1000_MRQC_RSS_FIELD_IPV4_TCP |
2717 E1000_MRQC_RSS_FIELD_IPV4 |
2718 E1000_MRQC_RSS_FIELD_IPV6_TCP_EX |
2719 E1000_MRQC_RSS_FIELD_IPV6_EX |
2720 E1000_MRQC_RSS_FIELD_IPV6);
2724 igb_initialize_rss_mapping(struct adapter *adapter)
2726 struct e1000_hw *hw = &adapter->hw;
2730 u32 rss_key[10], mrqc, shift = 0;
2733 if (adapter->hw.mac.type == e1000_82575)
2737 * The redirection table controls which destination
2738 * queue each bucket redirects traffic to.
2739 * Each DWORD represents four queues, with the LSB
2740 * being the first queue in the DWORD.
2742 * This just allocates buckets to queues using round-robin
2745 * NOTE: It Just Happens to line up with the default
2746 * RSS allocation method.
2749 /* Warning FM follows */
2751 for (i = 0; i < 128; i++) {
2753 queue_id = rss_get_indirection_to_bucket(i);
2755 * If we have more queues than buckets, we'll
2756 * end up mapping buckets to a subset of the
2759 * If we have more buckets than queues, we'll
2760 * end up instead assigning multiple buckets
2763 * Both are suboptimal, but we need to handle
2764 * the case so we don't go out of bounds
2765 * indexing arrays and such.
2767 queue_id = queue_id % adapter->rx_num_queues;
2769 queue_id = (i % adapter->rx_num_queues);
2771 /* Adjust if required */
2772 queue_id = queue_id << shift;
2775 * The low 8 bits are for hash value (n+0);
2776 * The next 8 bits are for hash value (n+1), etc.
2779 reta = reta | ( ((uint32_t) queue_id) << 24);
2781 E1000_WRITE_REG(hw, E1000_RETA(i >> 2), reta);
2786 /* Now fill in hash table */
2789 * MRQC: Multiple Receive Queues Command
2790 * Set queuing to RSS control, number depends on the device.
2792 mrqc = E1000_MRQC_ENABLE_RSS_8Q;
2795 /* XXX ew typecasting */
2796 rss_getkey((uint8_t *) &rss_key);
2798 arc4rand(&rss_key, sizeof(rss_key), 0);
2800 for (i = 0; i < 10; i++)
2801 E1000_WRITE_REG_ARRAY(hw, E1000_RSSRK(0), i, rss_key[i]);
2804 * Configure the RSS fields to hash upon.
2806 mrqc |= (E1000_MRQC_RSS_FIELD_IPV4 |
2807 E1000_MRQC_RSS_FIELD_IPV4_TCP);
2808 mrqc |= (E1000_MRQC_RSS_FIELD_IPV6 |
2809 E1000_MRQC_RSS_FIELD_IPV6_TCP);
2810 mrqc |=( E1000_MRQC_RSS_FIELD_IPV4_UDP |
2811 E1000_MRQC_RSS_FIELD_IPV6_UDP);
2812 mrqc |=( E1000_MRQC_RSS_FIELD_IPV6_UDP_EX |
2813 E1000_MRQC_RSS_FIELD_IPV6_TCP_EX);
2815 E1000_WRITE_REG(hw, E1000_MRQC, mrqc);
2818 /*********************************************************************
2820 * Setup networking device structure and register interface media.
2822 **********************************************************************/
2824 em_setup_interface(if_ctx_t ctx)
2826 struct ifnet *ifp = iflib_get_ifp(ctx);
2827 struct adapter *adapter = iflib_get_softc(ctx);
2828 if_softc_ctx_t scctx = adapter->shared;
2830 INIT_DEBUGOUT("em_setup_interface: begin");
2833 if (adapter->tx_num_queues == 1) {
2834 if_setsendqlen(ifp, scctx->isc_ntxd[0] - 1);
2835 if_setsendqready(ifp);
2839 * Specify the media types supported by this adapter and register
2840 * callbacks to update media and link information
2842 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) ||
2843 (adapter->hw.phy.media_type == e1000_media_type_internal_serdes)) {
2844 u_char fiber_type = IFM_1000_SX; /* default type */
2846 if (adapter->hw.mac.type == e1000_82545)
2847 fiber_type = IFM_1000_LX;
2848 ifmedia_add(adapter->media, IFM_ETHER | fiber_type | IFM_FDX, 0, NULL);
2849 ifmedia_add(adapter->media, IFM_ETHER | fiber_type, 0, NULL);
2851 ifmedia_add(adapter->media, IFM_ETHER | IFM_10_T, 0, NULL);
2852 ifmedia_add(adapter->media, IFM_ETHER | IFM_10_T | IFM_FDX, 0, NULL);
2853 ifmedia_add(adapter->media, IFM_ETHER | IFM_100_TX, 0, NULL);
2854 ifmedia_add(adapter->media, IFM_ETHER | IFM_100_TX | IFM_FDX, 0, NULL);
2855 if (adapter->hw.phy.type != e1000_phy_ife) {
2856 ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_T | IFM_FDX, 0, NULL);
2857 ifmedia_add(adapter->media, IFM_ETHER | IFM_1000_T, 0, NULL);
2860 ifmedia_add(adapter->media, IFM_ETHER | IFM_AUTO, 0, NULL);
2861 ifmedia_set(adapter->media, IFM_ETHER | IFM_AUTO);
2866 em_if_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int ntxqs, int ntxqsets)
2868 struct adapter *adapter = iflib_get_softc(ctx);
2869 if_softc_ctx_t scctx = adapter->shared;
2870 int error = E1000_SUCCESS;
2871 struct em_tx_queue *que;
2874 MPASS(adapter->tx_num_queues > 0);
2875 MPASS(adapter->tx_num_queues == ntxqsets);
2877 /* First allocate the top level queue structs */
2878 if (!(adapter->tx_queues =
2879 (struct em_tx_queue *) malloc(sizeof(struct em_tx_queue) *
2880 adapter->tx_num_queues, M_DEVBUF, M_NOWAIT | M_ZERO))) {
2881 device_printf(iflib_get_dev(ctx), "Unable to allocate queue memory\n");
2885 for (i = 0, que = adapter->tx_queues; i < adapter->tx_num_queues; i++, que++) {
2886 /* Set up some basics */
2888 struct tx_ring *txr = &que->txr;
2889 txr->adapter = que->adapter = adapter;
2890 que->me = txr->me = i;
2892 /* Allocate report status array */
2893 if (!(txr->tx_rsq = (qidx_t *) malloc(sizeof(qidx_t) * scctx->isc_ntxd[0], M_DEVBUF, M_NOWAIT | M_ZERO))) {
2894 device_printf(iflib_get_dev(ctx), "failed to allocate rs_idxs memory\n");
2898 for (j = 0; j < scctx->isc_ntxd[0]; j++)
2899 txr->tx_rsq[j] = QIDX_INVALID;
2900 /* get the virtual and physical address of the hardware queues */
2901 txr->tx_base = (struct e1000_tx_desc *)vaddrs[i*ntxqs];
2902 txr->tx_paddr = paddrs[i*ntxqs];
2906 device_printf(iflib_get_dev(ctx),
2907 "allocated for %d tx_queues\n", adapter->tx_num_queues);
2910 em_if_queues_free(ctx);
2915 em_if_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs, uint64_t *paddrs, int nrxqs, int nrxqsets)
2917 struct adapter *adapter = iflib_get_softc(ctx);
2918 int error = E1000_SUCCESS;
2919 struct em_rx_queue *que;
2922 MPASS(adapter->rx_num_queues > 0);
2923 MPASS(adapter->rx_num_queues == nrxqsets);
2925 /* First allocate the top level queue structs */
2926 if (!(adapter->rx_queues =
2927 (struct em_rx_queue *) malloc(sizeof(struct em_rx_queue) *
2928 adapter->rx_num_queues, M_DEVBUF, M_NOWAIT | M_ZERO))) {
2929 device_printf(iflib_get_dev(ctx), "Unable to allocate queue memory\n");
2934 for (i = 0, que = adapter->rx_queues; i < nrxqsets; i++, que++) {
2935 /* Set up some basics */
2936 struct rx_ring *rxr = &que->rxr;
2937 rxr->adapter = que->adapter = adapter;
2939 que->me = rxr->me = i;
2941 /* get the virtual and physical address of the hardware queues */
2942 rxr->rx_base = (union e1000_rx_desc_extended *)vaddrs[i*nrxqs];
2943 rxr->rx_paddr = paddrs[i*nrxqs];
2947 device_printf(iflib_get_dev(ctx),
2948 "allocated for %d rx_queues\n", adapter->rx_num_queues);
2952 em_if_queues_free(ctx);
2957 em_if_queues_free(if_ctx_t ctx)
2959 struct adapter *adapter = iflib_get_softc(ctx);
2960 struct em_tx_queue *tx_que = adapter->tx_queues;
2961 struct em_rx_queue *rx_que = adapter->rx_queues;
2963 if (tx_que != NULL) {
2964 for (int i = 0; i < adapter->tx_num_queues; i++, tx_que++) {
2965 struct tx_ring *txr = &tx_que->txr;
2966 if (txr->tx_rsq == NULL)
2969 free(txr->tx_rsq, M_DEVBUF);
2972 free(adapter->tx_queues, M_DEVBUF);
2973 adapter->tx_queues = NULL;
2976 if (rx_que != NULL) {
2977 free(adapter->rx_queues, M_DEVBUF);
2978 adapter->rx_queues = NULL;
2981 em_release_hw_control(adapter);
2983 if (adapter->mta != NULL) {
2984 free(adapter->mta, M_DEVBUF);
2988 /*********************************************************************
2990 * Enable transmit unit.
2992 **********************************************************************/
2994 em_initialize_transmit_unit(if_ctx_t ctx)
2996 struct adapter *adapter = iflib_get_softc(ctx);
2997 if_softc_ctx_t scctx = adapter->shared;
2998 struct em_tx_queue *que;
2999 struct tx_ring *txr;
3000 struct e1000_hw *hw = &adapter->hw;
3001 u32 tctl, txdctl = 0, tarc, tipg = 0;
3003 INIT_DEBUGOUT("em_initialize_transmit_unit: begin");
3005 for (int i = 0; i < adapter->tx_num_queues; i++, txr++) {
3009 que = &adapter->tx_queues[i];
3011 bus_addr = txr->tx_paddr;
3013 /* Clear checksum offload context. */
3014 offp = (caddr_t)&txr->csum_flags;
3015 endp = (caddr_t)(txr + 1);
3016 bzero(offp, endp - offp);
3018 /* Base and Len of TX Ring */
3019 E1000_WRITE_REG(hw, E1000_TDLEN(i),
3020 scctx->isc_ntxd[0] * sizeof(struct e1000_tx_desc));
3021 E1000_WRITE_REG(hw, E1000_TDBAH(i),
3022 (u32)(bus_addr >> 32));
3023 E1000_WRITE_REG(hw, E1000_TDBAL(i),
3025 /* Init the HEAD/TAIL indices */
3026 E1000_WRITE_REG(hw, E1000_TDT(i), 0);
3027 E1000_WRITE_REG(hw, E1000_TDH(i), 0);
3029 HW_DEBUGOUT2("Base = %x, Length = %x\n",
3030 E1000_READ_REG(&adapter->hw, E1000_TDBAL(i)),
3031 E1000_READ_REG(&adapter->hw, E1000_TDLEN(i)));
3033 txdctl = 0; /* clear txdctl */
3034 txdctl |= 0x1f; /* PTHRESH */
3035 txdctl |= 1 << 8; /* HTHRESH */
3036 txdctl |= 1 << 16;/* WTHRESH */
3037 txdctl |= 1 << 22; /* Reserved bit 22 must always be 1 */
3038 txdctl |= E1000_TXDCTL_GRAN;
3039 txdctl |= 1 << 25; /* LWTHRESH */
3041 E1000_WRITE_REG(hw, E1000_TXDCTL(i), txdctl);
3044 /* Set the default values for the Tx Inter Packet Gap timer */
3045 switch (adapter->hw.mac.type) {
3046 case e1000_80003es2lan:
3047 tipg = DEFAULT_82543_TIPG_IPGR1;
3048 tipg |= DEFAULT_80003ES2LAN_TIPG_IPGR2 <<
3049 E1000_TIPG_IPGR2_SHIFT;
3052 tipg = DEFAULT_82542_TIPG_IPGT;
3053 tipg |= DEFAULT_82542_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
3054 tipg |= DEFAULT_82542_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
3057 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) ||
3058 (adapter->hw.phy.media_type ==
3059 e1000_media_type_internal_serdes))
3060 tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
3062 tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
3063 tipg |= DEFAULT_82543_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
3064 tipg |= DEFAULT_82543_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
3067 E1000_WRITE_REG(&adapter->hw, E1000_TIPG, tipg);
3068 E1000_WRITE_REG(&adapter->hw, E1000_TIDV, adapter->tx_int_delay.value);
3070 if(adapter->hw.mac.type >= e1000_82540)
3071 E1000_WRITE_REG(&adapter->hw, E1000_TADV,
3072 adapter->tx_abs_int_delay.value);
3074 if ((adapter->hw.mac.type == e1000_82571) ||
3075 (adapter->hw.mac.type == e1000_82572)) {
3076 tarc = E1000_READ_REG(&adapter->hw, E1000_TARC(0));
3077 tarc |= TARC_SPEED_MODE_BIT;
3078 E1000_WRITE_REG(&adapter->hw, E1000_TARC(0), tarc);
3079 } else if (adapter->hw.mac.type == e1000_80003es2lan) {
3080 /* errata: program both queues to unweighted RR */
3081 tarc = E1000_READ_REG(&adapter->hw, E1000_TARC(0));
3083 E1000_WRITE_REG(&adapter->hw, E1000_TARC(0), tarc);
3084 tarc = E1000_READ_REG(&adapter->hw, E1000_TARC(1));
3086 E1000_WRITE_REG(&adapter->hw, E1000_TARC(1), tarc);
3087 } else if (adapter->hw.mac.type == e1000_82574) {
3088 tarc = E1000_READ_REG(&adapter->hw, E1000_TARC(0));
3089 tarc |= TARC_ERRATA_BIT;
3090 if ( adapter->tx_num_queues > 1) {
3091 tarc |= (TARC_COMPENSATION_MODE | TARC_MQ_FIX);
3092 E1000_WRITE_REG(&adapter->hw, E1000_TARC(0), tarc);
3093 E1000_WRITE_REG(&adapter->hw, E1000_TARC(1), tarc);
3095 E1000_WRITE_REG(&adapter->hw, E1000_TARC(0), tarc);
3098 if (adapter->tx_int_delay.value > 0)
3099 adapter->txd_cmd |= E1000_TXD_CMD_IDE;
3101 /* Program the Transmit Control Register */
3102 tctl = E1000_READ_REG(&adapter->hw, E1000_TCTL);
3103 tctl &= ~E1000_TCTL_CT;
3104 tctl |= (E1000_TCTL_PSP | E1000_TCTL_RTLC | E1000_TCTL_EN |
3105 (E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT));
3107 if (adapter->hw.mac.type >= e1000_82571)
3108 tctl |= E1000_TCTL_MULR;
3110 /* This write will effectively turn on the transmit unit. */
3111 E1000_WRITE_REG(&adapter->hw, E1000_TCTL, tctl);
3113 /* SPT and KBL errata workarounds */
3114 if (hw->mac.type == e1000_pch_spt) {
3116 reg = E1000_READ_REG(hw, E1000_IOSFPC);
3117 reg |= E1000_RCTL_RDMTS_HEX;
3118 E1000_WRITE_REG(hw, E1000_IOSFPC, reg);
3119 /* i218-i219 Specification Update 1.5.4.5 */
3120 reg = E1000_READ_REG(hw, E1000_TARC(0));
3121 reg &= ~E1000_TARC0_CB_MULTIQ_3_REQ;
3122 reg |= E1000_TARC0_CB_MULTIQ_2_REQ;
3123 E1000_WRITE_REG(hw, E1000_TARC(0), reg);
3127 /*********************************************************************
3129 * Enable receive unit.
3131 **********************************************************************/
3134 em_initialize_receive_unit(if_ctx_t ctx)
3136 struct adapter *adapter = iflib_get_softc(ctx);
3137 if_softc_ctx_t scctx = adapter->shared;
3138 struct ifnet *ifp = iflib_get_ifp(ctx);
3139 struct e1000_hw *hw = &adapter->hw;
3140 struct em_rx_queue *que;
3142 u32 rctl, rxcsum, rfctl;
3144 INIT_DEBUGOUT("em_initialize_receive_units: begin");
3147 * Make sure receives are disabled while setting
3148 * up the descriptor ring
3150 rctl = E1000_READ_REG(hw, E1000_RCTL);
3151 /* Do not disable if ever enabled on this hardware */
3152 if ((hw->mac.type != e1000_82574) && (hw->mac.type != e1000_82583))
3153 E1000_WRITE_REG(hw, E1000_RCTL, rctl & ~E1000_RCTL_EN);
3155 /* Setup the Receive Control Register */
3156 rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
3157 rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
3158 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
3159 (hw->mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
3161 /* Do not store bad packets */
3162 rctl &= ~E1000_RCTL_SBP;
3164 /* Enable Long Packet receive */
3165 if (if_getmtu(ifp) > ETHERMTU)
3166 rctl |= E1000_RCTL_LPE;
3168 rctl &= ~E1000_RCTL_LPE;
3171 if (!em_disable_crc_stripping)
3172 rctl |= E1000_RCTL_SECRC;
3174 if (adapter->hw.mac.type >= e1000_82540) {
3175 E1000_WRITE_REG(&adapter->hw, E1000_RADV,
3176 adapter->rx_abs_int_delay.value);
3179 * Set the interrupt throttling rate. Value is calculated
3180 * as DEFAULT_ITR = 1/(MAX_INTS_PER_SEC * 256ns)
3182 E1000_WRITE_REG(hw, E1000_ITR, DEFAULT_ITR);
3184 E1000_WRITE_REG(&adapter->hw, E1000_RDTR,
3185 adapter->rx_int_delay.value);
3187 /* Use extended rx descriptor formats */
3188 rfctl = E1000_READ_REG(hw, E1000_RFCTL);
3189 rfctl |= E1000_RFCTL_EXTEN;
3191 * When using MSI-X interrupts we need to throttle
3192 * using the EITR register (82574 only)
3194 if (hw->mac.type == e1000_82574) {
3195 for (int i = 0; i < 4; i++)
3196 E1000_WRITE_REG(hw, E1000_EITR_82574(i),
3198 /* Disable accelerated acknowledge */
3199 rfctl |= E1000_RFCTL_ACK_DIS;
3201 E1000_WRITE_REG(hw, E1000_RFCTL, rfctl);
3203 rxcsum = E1000_READ_REG(hw, E1000_RXCSUM);
3204 if (if_getcapenable(ifp) & IFCAP_RXCSUM &&
3205 adapter->hw.mac.type >= e1000_82543) {
3206 if (adapter->tx_num_queues > 1) {
3207 if (adapter->hw.mac.type >= igb_mac_min) {
3208 rxcsum |= E1000_RXCSUM_PCSD;
3209 if (hw->mac.type != e1000_82575)
3210 rxcsum |= E1000_RXCSUM_CRCOFL;
3212 rxcsum |= E1000_RXCSUM_TUOFL |
3213 E1000_RXCSUM_IPOFL |
3216 if (adapter->hw.mac.type >= igb_mac_min)
3217 rxcsum |= E1000_RXCSUM_IPPCSE;
3219 rxcsum |= E1000_RXCSUM_TUOFL | E1000_RXCSUM_IPOFL;
3220 if (adapter->hw.mac.type > e1000_82575)
3221 rxcsum |= E1000_RXCSUM_CRCOFL;
3224 rxcsum &= ~E1000_RXCSUM_TUOFL;
3226 E1000_WRITE_REG(hw, E1000_RXCSUM, rxcsum);
3228 if (adapter->rx_num_queues > 1) {
3229 if (adapter->hw.mac.type >= igb_mac_min)
3230 igb_initialize_rss_mapping(adapter);
3232 em_initialize_rss_mapping(adapter);
3236 * XXX TEMPORARY WORKAROUND: on some systems with 82573
3237 * long latencies are observed, like Lenovo X60. This
3238 * change eliminates the problem, but since having positive
3239 * values in RDTR is a known source of problems on other
3240 * platforms another solution is being sought.
3242 if (hw->mac.type == e1000_82573)
3243 E1000_WRITE_REG(hw, E1000_RDTR, 0x20);
3245 for (i = 0, que = adapter->rx_queues; i < adapter->rx_num_queues; i++, que++) {
3246 struct rx_ring *rxr = &que->rxr;
3247 /* Setup the Base and Length of the Rx Descriptor Ring */
3248 u64 bus_addr = rxr->rx_paddr;
3250 u32 rdt = adapter->rx_num_queues -1; /* default */
3253 E1000_WRITE_REG(hw, E1000_RDLEN(i),
3254 scctx->isc_nrxd[0] * sizeof(union e1000_rx_desc_extended));
3255 E1000_WRITE_REG(hw, E1000_RDBAH(i), (u32)(bus_addr >> 32));
3256 E1000_WRITE_REG(hw, E1000_RDBAL(i), (u32)bus_addr);
3257 /* Setup the Head and Tail Descriptor Pointers */
3258 E1000_WRITE_REG(hw, E1000_RDH(i), 0);
3259 E1000_WRITE_REG(hw, E1000_RDT(i), 0);
3263 * Set PTHRESH for improved jumbo performance
3264 * According to 10.2.5.11 of Intel 82574 Datasheet,
3265 * RXDCTL(1) is written whenever RXDCTL(0) is written.
3266 * Only write to RXDCTL(1) if there is a need for different
3270 if (((adapter->hw.mac.type == e1000_ich9lan) ||
3271 (adapter->hw.mac.type == e1000_pch2lan) ||
3272 (adapter->hw.mac.type == e1000_ich10lan)) &&
3273 (if_getmtu(ifp) > ETHERMTU)) {
3274 u32 rxdctl = E1000_READ_REG(hw, E1000_RXDCTL(0));
3275 E1000_WRITE_REG(hw, E1000_RXDCTL(0), rxdctl | 3);
3276 } else if (adapter->hw.mac.type == e1000_82574) {
3277 for (int i = 0; i < adapter->rx_num_queues; i++) {
3278 u32 rxdctl = E1000_READ_REG(hw, E1000_RXDCTL(i));
3279 rxdctl |= 0x20; /* PTHRESH */
3280 rxdctl |= 4 << 8; /* HTHRESH */
3281 rxdctl |= 4 << 16;/* WTHRESH */
3282 rxdctl |= 1 << 24; /* Switch to granularity */
3283 E1000_WRITE_REG(hw, E1000_RXDCTL(i), rxdctl);
3285 } else if (adapter->hw.mac.type >= igb_mac_min) {
3286 u32 psize, srrctl = 0;
3288 if (if_getmtu(ifp) > ETHERMTU) {
3289 /* Set maximum packet len */
3290 if (adapter->rx_mbuf_sz <= 4096) {
3291 srrctl |= 4096 >> E1000_SRRCTL_BSIZEPKT_SHIFT;
3292 rctl |= E1000_RCTL_SZ_4096 | E1000_RCTL_BSEX;
3293 } else if (adapter->rx_mbuf_sz > 4096) {
3294 srrctl |= 8192 >> E1000_SRRCTL_BSIZEPKT_SHIFT;
3295 rctl |= E1000_RCTL_SZ_8192 | E1000_RCTL_BSEX;
3297 psize = scctx->isc_max_frame_size;
3298 /* are we on a vlan? */
3299 if (ifp->if_vlantrunk != NULL)
3300 psize += VLAN_TAG_SIZE;
3301 E1000_WRITE_REG(&adapter->hw, E1000_RLPML, psize);
3303 srrctl |= 2048 >> E1000_SRRCTL_BSIZEPKT_SHIFT;
3304 rctl |= E1000_RCTL_SZ_2048;
3308 * If TX flow control is disabled and there's >1 queue defined,
3311 * This drops frames rather than hanging the RX MAC for all queues.
3313 if ((adapter->rx_num_queues > 1) &&
3314 (adapter->fc == e1000_fc_none ||
3315 adapter->fc == e1000_fc_rx_pause)) {
3316 srrctl |= E1000_SRRCTL_DROP_EN;
3318 /* Setup the Base and Length of the Rx Descriptor Rings */
3319 for (i = 0, que = adapter->rx_queues; i < adapter->rx_num_queues; i++, que++) {
3320 struct rx_ring *rxr = &que->rxr;
3321 u64 bus_addr = rxr->rx_paddr;
3325 /* Configure for header split? -- ignore for now */
3326 rxr->hdr_split = igb_header_split;
3328 srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF;
3331 E1000_WRITE_REG(hw, E1000_RDLEN(i),
3332 scctx->isc_nrxd[0] * sizeof(struct e1000_rx_desc));
3333 E1000_WRITE_REG(hw, E1000_RDBAH(i),
3334 (uint32_t)(bus_addr >> 32));
3335 E1000_WRITE_REG(hw, E1000_RDBAL(i),
3336 (uint32_t)bus_addr);
3337 E1000_WRITE_REG(hw, E1000_SRRCTL(i), srrctl);
3338 /* Enable this Queue */
3339 rxdctl = E1000_READ_REG(hw, E1000_RXDCTL(i));
3340 rxdctl |= E1000_RXDCTL_QUEUE_ENABLE;
3341 rxdctl &= 0xFFF00000;
3342 rxdctl |= IGB_RX_PTHRESH;
3343 rxdctl |= IGB_RX_HTHRESH << 8;
3344 rxdctl |= IGB_RX_WTHRESH << 16;
3345 E1000_WRITE_REG(hw, E1000_RXDCTL(i), rxdctl);
3347 } else if (adapter->hw.mac.type >= e1000_pch2lan) {
3348 if (if_getmtu(ifp) > ETHERMTU)
3349 e1000_lv_jumbo_workaround_ich8lan(hw, TRUE);
3351 e1000_lv_jumbo_workaround_ich8lan(hw, FALSE);
3354 /* Make sure VLAN Filters are off */
3355 rctl &= ~E1000_RCTL_VFE;
3357 if (adapter->hw.mac.type < igb_mac_min) {
3358 if (adapter->rx_mbuf_sz == MCLBYTES)
3359 rctl |= E1000_RCTL_SZ_2048;
3360 else if (adapter->rx_mbuf_sz == MJUMPAGESIZE)
3361 rctl |= E1000_RCTL_SZ_4096 | E1000_RCTL_BSEX;
3362 else if (adapter->rx_mbuf_sz > MJUMPAGESIZE)
3363 rctl |= E1000_RCTL_SZ_8192 | E1000_RCTL_BSEX;
3365 /* ensure we clear use DTYPE of 00 here */
3366 rctl &= ~0x00000C00;
3369 /* Write out the settings */
3370 E1000_WRITE_REG(hw, E1000_RCTL, rctl);
3376 em_if_vlan_register(if_ctx_t ctx, u16 vtag)
3378 struct adapter *adapter = iflib_get_softc(ctx);
3381 index = (vtag >> 5) & 0x7F;
3383 adapter->shadow_vfta[index] |= (1 << bit);
3384 ++adapter->num_vlans;
3388 em_if_vlan_unregister(if_ctx_t ctx, u16 vtag)
3390 struct adapter *adapter = iflib_get_softc(ctx);
3393 index = (vtag >> 5) & 0x7F;
3395 adapter->shadow_vfta[index] &= ~(1 << bit);
3396 --adapter->num_vlans;
3400 em_setup_vlan_hw_support(struct adapter *adapter)
3402 struct e1000_hw *hw = &adapter->hw;
3406 * We get here thru init_locked, meaning
3407 * a soft reset, this has already cleared
3408 * the VFTA and other state, so if there
3409 * have been no vlan's registered do nothing.
3411 if (adapter->num_vlans == 0)
3415 * A soft reset zero's out the VFTA, so
3416 * we need to repopulate it now.
3418 for (int i = 0; i < EM_VFTA_SIZE; i++)
3419 if (adapter->shadow_vfta[i] != 0)
3420 E1000_WRITE_REG_ARRAY(hw, E1000_VFTA,
3421 i, adapter->shadow_vfta[i]);
3423 reg = E1000_READ_REG(hw, E1000_CTRL);
3424 reg |= E1000_CTRL_VME;
3425 E1000_WRITE_REG(hw, E1000_CTRL, reg);
3427 /* Enable the Filter Table */
3428 reg = E1000_READ_REG(hw, E1000_RCTL);
3429 reg &= ~E1000_RCTL_CFIEN;
3430 reg |= E1000_RCTL_VFE;
3431 E1000_WRITE_REG(hw, E1000_RCTL, reg);
3435 em_if_intr_enable(if_ctx_t ctx)
3437 struct adapter *adapter = iflib_get_softc(ctx);
3438 struct e1000_hw *hw = &adapter->hw;
3439 u32 ims_mask = IMS_ENABLE_MASK;
3441 if (hw->mac.type == e1000_82574) {
3442 E1000_WRITE_REG(hw, EM_EIAC, EM_MSIX_MASK);
3443 ims_mask |= adapter->ims;
3445 E1000_WRITE_REG(hw, E1000_IMS, ims_mask);
3449 em_if_intr_disable(if_ctx_t ctx)
3451 struct adapter *adapter = iflib_get_softc(ctx);
3452 struct e1000_hw *hw = &adapter->hw;
3454 if (hw->mac.type == e1000_82574)
3455 E1000_WRITE_REG(hw, EM_EIAC, 0);
3456 E1000_WRITE_REG(hw, E1000_IMC, 0xffffffff);
3460 igb_if_intr_enable(if_ctx_t ctx)
3462 struct adapter *adapter = iflib_get_softc(ctx);
3463 struct e1000_hw *hw = &adapter->hw;
3466 if (__predict_true(adapter->intr_type == IFLIB_INTR_MSIX)) {
3467 mask = (adapter->que_mask | adapter->link_mask);
3468 E1000_WRITE_REG(hw, E1000_EIAC, mask);
3469 E1000_WRITE_REG(hw, E1000_EIAM, mask);
3470 E1000_WRITE_REG(hw, E1000_EIMS, mask);
3471 E1000_WRITE_REG(hw, E1000_IMS, E1000_IMS_LSC);
3473 E1000_WRITE_REG(hw, E1000_IMS, IMS_ENABLE_MASK);
3474 E1000_WRITE_FLUSH(hw);
3478 igb_if_intr_disable(if_ctx_t ctx)
3480 struct adapter *adapter = iflib_get_softc(ctx);
3481 struct e1000_hw *hw = &adapter->hw;
3483 if (__predict_true(adapter->intr_type == IFLIB_INTR_MSIX)) {
3484 E1000_WRITE_REG(hw, E1000_EIMC, 0xffffffff);
3485 E1000_WRITE_REG(hw, E1000_EIAC, 0);
3487 E1000_WRITE_REG(hw, E1000_IMC, 0xffffffff);
3488 E1000_WRITE_FLUSH(hw);
3492 * Bit of a misnomer, what this really means is
3493 * to enable OS management of the system... aka
3494 * to disable special hardware management features
3497 em_init_manageability(struct adapter *adapter)
3499 /* A shared code workaround */
3500 #define E1000_82542_MANC2H E1000_MANC2H
3501 if (adapter->has_manage) {
3502 int manc2h = E1000_READ_REG(&adapter->hw, E1000_MANC2H);
3503 int manc = E1000_READ_REG(&adapter->hw, E1000_MANC);
3505 /* disable hardware interception of ARP */
3506 manc &= ~(E1000_MANC_ARP_EN);
3508 /* enable receiving management packets to the host */
3509 manc |= E1000_MANC_EN_MNG2HOST;
3510 #define E1000_MNG2HOST_PORT_623 (1 << 5)
3511 #define E1000_MNG2HOST_PORT_664 (1 << 6)
3512 manc2h |= E1000_MNG2HOST_PORT_623;
3513 manc2h |= E1000_MNG2HOST_PORT_664;
3514 E1000_WRITE_REG(&adapter->hw, E1000_MANC2H, manc2h);
3515 E1000_WRITE_REG(&adapter->hw, E1000_MANC, manc);
3520 * Give control back to hardware management
3521 * controller if there is one.
3524 em_release_manageability(struct adapter *adapter)
3526 if (adapter->has_manage) {
3527 int manc = E1000_READ_REG(&adapter->hw, E1000_MANC);
3529 /* re-enable hardware interception of ARP */
3530 manc |= E1000_MANC_ARP_EN;
3531 manc &= ~E1000_MANC_EN_MNG2HOST;
3533 E1000_WRITE_REG(&adapter->hw, E1000_MANC, manc);
3538 * em_get_hw_control sets the {CTRL_EXT|FWSM}:DRV_LOAD bit.
3539 * For ASF and Pass Through versions of f/w this means
3540 * that the driver is loaded. For AMT version type f/w
3541 * this means that the network i/f is open.
3544 em_get_hw_control(struct adapter *adapter)
3548 if (adapter->vf_ifp)
3551 if (adapter->hw.mac.type == e1000_82573) {
3552 swsm = E1000_READ_REG(&adapter->hw, E1000_SWSM);
3553 E1000_WRITE_REG(&adapter->hw, E1000_SWSM,
3554 swsm | E1000_SWSM_DRV_LOAD);
3558 ctrl_ext = E1000_READ_REG(&adapter->hw, E1000_CTRL_EXT);
3559 E1000_WRITE_REG(&adapter->hw, E1000_CTRL_EXT,
3560 ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
3564 * em_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
3565 * For ASF and Pass Through versions of f/w this means that
3566 * the driver is no longer loaded. For AMT versions of the
3567 * f/w this means that the network i/f is closed.
3570 em_release_hw_control(struct adapter *adapter)
3574 if (!adapter->has_manage)
3577 if (adapter->hw.mac.type == e1000_82573) {
3578 swsm = E1000_READ_REG(&adapter->hw, E1000_SWSM);
3579 E1000_WRITE_REG(&adapter->hw, E1000_SWSM,
3580 swsm & ~E1000_SWSM_DRV_LOAD);
3584 ctrl_ext = E1000_READ_REG(&adapter->hw, E1000_CTRL_EXT);
3585 E1000_WRITE_REG(&adapter->hw, E1000_CTRL_EXT,
3586 ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
3591 em_is_valid_ether_addr(u8 *addr)
3593 char zero_addr[6] = { 0, 0, 0, 0, 0, 0 };
3595 if ((addr[0] & 1) || (!bcmp(addr, zero_addr, ETHER_ADDR_LEN))) {
3603 ** Parse the interface capabilities with regard
3604 ** to both system management and wake-on-lan for
3608 em_get_wakeup(if_ctx_t ctx)
3610 struct adapter *adapter = iflib_get_softc(ctx);
3611 device_t dev = iflib_get_dev(ctx);
3612 u16 eeprom_data = 0, device_id, apme_mask;
3614 adapter->has_manage = e1000_enable_mng_pass_thru(&adapter->hw);
3615 apme_mask = EM_EEPROM_APME;
3617 switch (adapter->hw.mac.type) {
3622 e1000_read_nvm(&adapter->hw,
3623 NVM_INIT_CONTROL2_REG, 1, &eeprom_data);
3624 apme_mask = EM_82544_APME;
3627 case e1000_82546_rev_3:
3628 if (adapter->hw.bus.func == 1) {
3629 e1000_read_nvm(&adapter->hw,
3630 NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
3633 e1000_read_nvm(&adapter->hw,
3634 NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
3638 adapter->has_amt = TRUE;
3642 case e1000_80003es2lan:
3643 if (adapter->hw.bus.func == 1) {
3644 e1000_read_nvm(&adapter->hw,
3645 NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
3648 e1000_read_nvm(&adapter->hw,
3649 NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
3653 case e1000_ich10lan:
3658 case e1000_82575: /* listing all igb devices */
3666 case e1000_vfadapt_i350:
3667 apme_mask = E1000_WUC_APME;
3668 adapter->has_amt = TRUE;
3669 eeprom_data = E1000_READ_REG(&adapter->hw, E1000_WUC);
3672 e1000_read_nvm(&adapter->hw,
3673 NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
3676 if (eeprom_data & apme_mask)
3677 adapter->wol = (E1000_WUFC_MAG | E1000_WUFC_MC);
3679 * We have the eeprom settings, now apply the special cases
3680 * where the eeprom may be wrong or the board won't support
3681 * wake on lan on a particular port
3683 device_id = pci_get_device(dev);
3684 switch (device_id) {
3685 case E1000_DEV_ID_82546GB_PCIE:
3688 case E1000_DEV_ID_82546EB_FIBER:
3689 case E1000_DEV_ID_82546GB_FIBER:
3690 /* Wake events only supported on port A for dual fiber
3691 * regardless of eeprom setting */
3692 if (E1000_READ_REG(&adapter->hw, E1000_STATUS) &
3693 E1000_STATUS_FUNC_1)
3696 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
3697 /* if quad port adapter, disable WoL on all but port A */
3698 if (global_quad_port_a != 0)
3700 /* Reset for multiple quad port adapters */
3701 if (++global_quad_port_a == 4)
3702 global_quad_port_a = 0;
3704 case E1000_DEV_ID_82571EB_FIBER:
3705 /* Wake events only supported on port A for dual fiber
3706 * regardless of eeprom setting */
3707 if (E1000_READ_REG(&adapter->hw, E1000_STATUS) &
3708 E1000_STATUS_FUNC_1)
3711 case E1000_DEV_ID_82571EB_QUAD_COPPER:
3712 case E1000_DEV_ID_82571EB_QUAD_FIBER:
3713 case E1000_DEV_ID_82571EB_QUAD_COPPER_LP:
3714 /* if quad port adapter, disable WoL on all but port A */
3715 if (global_quad_port_a != 0)
3717 /* Reset for multiple quad port adapters */
3718 if (++global_quad_port_a == 4)
3719 global_quad_port_a = 0;
3727 * Enable PCI Wake On Lan capability
3730 em_enable_wakeup(if_ctx_t ctx)
3732 struct adapter *adapter = iflib_get_softc(ctx);
3733 device_t dev = iflib_get_dev(ctx);
3734 if_t ifp = iflib_get_ifp(ctx);
3736 u32 pmc, ctrl, ctrl_ext, rctl;
3739 if (pci_find_cap(dev, PCIY_PMG, &pmc) != 0)
3743 * Determine type of Wakeup: note that wol
3744 * is set with all bits on by default.
3746 if ((if_getcapenable(ifp) & IFCAP_WOL_MAGIC) == 0)
3747 adapter->wol &= ~E1000_WUFC_MAG;
3749 if ((if_getcapenable(ifp) & IFCAP_WOL_UCAST) == 0)
3750 adapter->wol &= ~E1000_WUFC_EX;
3752 if ((if_getcapenable(ifp) & IFCAP_WOL_MCAST) == 0)
3753 adapter->wol &= ~E1000_WUFC_MC;
3755 rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
3756 rctl |= E1000_RCTL_MPE;
3757 E1000_WRITE_REG(&adapter->hw, E1000_RCTL, rctl);
3760 if (!(adapter->wol & (E1000_WUFC_EX | E1000_WUFC_MAG | E1000_WUFC_MC)))
3763 /* Advertise the wakeup capability */
3764 ctrl = E1000_READ_REG(&adapter->hw, E1000_CTRL);
3765 ctrl |= (E1000_CTRL_SWDPIN2 | E1000_CTRL_SWDPIN3);
3766 E1000_WRITE_REG(&adapter->hw, E1000_CTRL, ctrl);
3768 /* Keep the laser running on Fiber adapters */
3769 if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
3770 adapter->hw.phy.media_type == e1000_media_type_internal_serdes) {
3771 ctrl_ext = E1000_READ_REG(&adapter->hw, E1000_CTRL_EXT);
3772 ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
3773 E1000_WRITE_REG(&adapter->hw, E1000_CTRL_EXT, ctrl_ext);
3776 if ((adapter->hw.mac.type == e1000_ich8lan) ||
3777 (adapter->hw.mac.type == e1000_pchlan) ||
3778 (adapter->hw.mac.type == e1000_ich9lan) ||
3779 (adapter->hw.mac.type == e1000_ich10lan))
3780 e1000_suspend_workarounds_ich8lan(&adapter->hw);
3782 if ( adapter->hw.mac.type >= e1000_pchlan) {
3783 error = em_enable_phy_wakeup(adapter);
3787 /* Enable wakeup by the MAC */
3788 E1000_WRITE_REG(&adapter->hw, E1000_WUC, E1000_WUC_PME_EN);
3789 E1000_WRITE_REG(&adapter->hw, E1000_WUFC, adapter->wol);
3792 if (adapter->hw.phy.type == e1000_phy_igp_3)
3793 e1000_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
3796 status = pci_read_config(dev, pmc + PCIR_POWER_STATUS, 2);
3797 status &= ~(PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE);
3798 if (!error && (if_getcapenable(ifp) & IFCAP_WOL))
3799 status |= PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE;
3800 pci_write_config(dev, pmc + PCIR_POWER_STATUS, status, 2);
3806 * WOL in the newer chipset interfaces (pchlan)
3807 * require thing to be copied into the phy
3810 em_enable_phy_wakeup(struct adapter *adapter)
3812 struct e1000_hw *hw = &adapter->hw;
3816 /* copy MAC RARs to PHY RARs */
3817 e1000_copy_rx_addrs_to_phy_ich8lan(hw);
3819 /* copy MAC MTA to PHY MTA */
3820 for (int i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
3821 mreg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
3822 e1000_write_phy_reg(hw, BM_MTA(i), (u16)(mreg & 0xFFFF));
3823 e1000_write_phy_reg(hw, BM_MTA(i) + 1,
3824 (u16)((mreg >> 16) & 0xFFFF));
3827 /* configure PHY Rx Control register */
3828 e1000_read_phy_reg(&adapter->hw, BM_RCTL, &preg);
3829 mreg = E1000_READ_REG(hw, E1000_RCTL);
3830 if (mreg & E1000_RCTL_UPE)
3831 preg |= BM_RCTL_UPE;
3832 if (mreg & E1000_RCTL_MPE)
3833 preg |= BM_RCTL_MPE;
3834 preg &= ~(BM_RCTL_MO_MASK);
3835 if (mreg & E1000_RCTL_MO_3)
3836 preg |= (((mreg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
3837 << BM_RCTL_MO_SHIFT);
3838 if (mreg & E1000_RCTL_BAM)
3839 preg |= BM_RCTL_BAM;
3840 if (mreg & E1000_RCTL_PMCF)
3841 preg |= BM_RCTL_PMCF;
3842 mreg = E1000_READ_REG(hw, E1000_CTRL);
3843 if (mreg & E1000_CTRL_RFCE)
3844 preg |= BM_RCTL_RFCE;
3845 e1000_write_phy_reg(&adapter->hw, BM_RCTL, preg);
3847 /* enable PHY wakeup in MAC register */
3848 E1000_WRITE_REG(hw, E1000_WUC,
3849 E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN | E1000_WUC_APME);
3850 E1000_WRITE_REG(hw, E1000_WUFC, adapter->wol);
3852 /* configure and enable PHY wakeup in PHY registers */
3853 e1000_write_phy_reg(&adapter->hw, BM_WUFC, adapter->wol);
3854 e1000_write_phy_reg(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
3856 /* activate PHY wakeup */
3857 ret = hw->phy.ops.acquire(hw);
3859 printf("Could not acquire PHY\n");
3862 e1000_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
3863 (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
3864 ret = e1000_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &preg);
3866 printf("Could not read PHY page 769\n");
3869 preg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
3870 ret = e1000_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, preg);
3872 printf("Could not set PHY Host Wakeup bit\n");
3874 hw->phy.ops.release(hw);
3880 em_if_led_func(if_ctx_t ctx, int onoff)
3882 struct adapter *adapter = iflib_get_softc(ctx);
3885 e1000_setup_led(&adapter->hw);
3886 e1000_led_on(&adapter->hw);
3888 e1000_led_off(&adapter->hw);
3889 e1000_cleanup_led(&adapter->hw);
3894 * Disable the L0S and L1 LINK states
3897 em_disable_aspm(struct adapter *adapter)
3900 u16 link_cap,link_ctrl;
3901 device_t dev = adapter->dev;
3903 switch (adapter->hw.mac.type) {
3911 if (pci_find_cap(dev, PCIY_EXPRESS, &base) != 0)
3913 reg = base + PCIER_LINK_CAP;
3914 link_cap = pci_read_config(dev, reg, 2);
3915 if ((link_cap & PCIEM_LINK_CAP_ASPM) == 0)
3917 reg = base + PCIER_LINK_CTL;
3918 link_ctrl = pci_read_config(dev, reg, 2);
3919 link_ctrl &= ~PCIEM_LINK_CTL_ASPMC;
3920 pci_write_config(dev, reg, link_ctrl, 2);
3924 /**********************************************************************
3926 * Update the board statistics counters.
3928 **********************************************************************/
3930 em_update_stats_counters(struct adapter *adapter)
3932 u64 prev_xoffrxc = adapter->stats.xoffrxc;
3934 if(adapter->hw.phy.media_type == e1000_media_type_copper ||
3935 (E1000_READ_REG(&adapter->hw, E1000_STATUS) & E1000_STATUS_LU)) {
3936 adapter->stats.symerrs += E1000_READ_REG(&adapter->hw, E1000_SYMERRS);
3937 adapter->stats.sec += E1000_READ_REG(&adapter->hw, E1000_SEC);
3939 adapter->stats.crcerrs += E1000_READ_REG(&adapter->hw, E1000_CRCERRS);
3940 adapter->stats.mpc += E1000_READ_REG(&adapter->hw, E1000_MPC);
3941 adapter->stats.scc += E1000_READ_REG(&adapter->hw, E1000_SCC);
3942 adapter->stats.ecol += E1000_READ_REG(&adapter->hw, E1000_ECOL);
3944 adapter->stats.mcc += E1000_READ_REG(&adapter->hw, E1000_MCC);
3945 adapter->stats.latecol += E1000_READ_REG(&adapter->hw, E1000_LATECOL);
3946 adapter->stats.colc += E1000_READ_REG(&adapter->hw, E1000_COLC);
3947 adapter->stats.dc += E1000_READ_REG(&adapter->hw, E1000_DC);
3948 adapter->stats.rlec += E1000_READ_REG(&adapter->hw, E1000_RLEC);
3949 adapter->stats.xonrxc += E1000_READ_REG(&adapter->hw, E1000_XONRXC);
3950 adapter->stats.xontxc += E1000_READ_REG(&adapter->hw, E1000_XONTXC);
3951 adapter->stats.xoffrxc += E1000_READ_REG(&adapter->hw, E1000_XOFFRXC);
3953 ** For watchdog management we need to know if we have been
3954 ** paused during the last interval, so capture that here.
3956 if (adapter->stats.xoffrxc != prev_xoffrxc)
3957 adapter->shared->isc_pause_frames = 1;
3958 adapter->stats.xofftxc += E1000_READ_REG(&adapter->hw, E1000_XOFFTXC);
3959 adapter->stats.fcruc += E1000_READ_REG(&adapter->hw, E1000_FCRUC);
3960 adapter->stats.prc64 += E1000_READ_REG(&adapter->hw, E1000_PRC64);
3961 adapter->stats.prc127 += E1000_READ_REG(&adapter->hw, E1000_PRC127);
3962 adapter->stats.prc255 += E1000_READ_REG(&adapter->hw, E1000_PRC255);
3963 adapter->stats.prc511 += E1000_READ_REG(&adapter->hw, E1000_PRC511);
3964 adapter->stats.prc1023 += E1000_READ_REG(&adapter->hw, E1000_PRC1023);
3965 adapter->stats.prc1522 += E1000_READ_REG(&adapter->hw, E1000_PRC1522);
3966 adapter->stats.gprc += E1000_READ_REG(&adapter->hw, E1000_GPRC);
3967 adapter->stats.bprc += E1000_READ_REG(&adapter->hw, E1000_BPRC);
3968 adapter->stats.mprc += E1000_READ_REG(&adapter->hw, E1000_MPRC);
3969 adapter->stats.gptc += E1000_READ_REG(&adapter->hw, E1000_GPTC);
3971 /* For the 64-bit byte counters the low dword must be read first. */
3972 /* Both registers clear on the read of the high dword */
3974 adapter->stats.gorc += E1000_READ_REG(&adapter->hw, E1000_GORCL) +
3975 ((u64)E1000_READ_REG(&adapter->hw, E1000_GORCH) << 32);
3976 adapter->stats.gotc += E1000_READ_REG(&adapter->hw, E1000_GOTCL) +
3977 ((u64)E1000_READ_REG(&adapter->hw, E1000_GOTCH) << 32);
3979 adapter->stats.rnbc += E1000_READ_REG(&adapter->hw, E1000_RNBC);
3980 adapter->stats.ruc += E1000_READ_REG(&adapter->hw, E1000_RUC);
3981 adapter->stats.rfc += E1000_READ_REG(&adapter->hw, E1000_RFC);
3982 adapter->stats.roc += E1000_READ_REG(&adapter->hw, E1000_ROC);
3983 adapter->stats.rjc += E1000_READ_REG(&adapter->hw, E1000_RJC);
3985 adapter->stats.tor += E1000_READ_REG(&adapter->hw, E1000_TORH);
3986 adapter->stats.tot += E1000_READ_REG(&adapter->hw, E1000_TOTH);
3988 adapter->stats.tpr += E1000_READ_REG(&adapter->hw, E1000_TPR);
3989 adapter->stats.tpt += E1000_READ_REG(&adapter->hw, E1000_TPT);
3990 adapter->stats.ptc64 += E1000_READ_REG(&adapter->hw, E1000_PTC64);
3991 adapter->stats.ptc127 += E1000_READ_REG(&adapter->hw, E1000_PTC127);
3992 adapter->stats.ptc255 += E1000_READ_REG(&adapter->hw, E1000_PTC255);
3993 adapter->stats.ptc511 += E1000_READ_REG(&adapter->hw, E1000_PTC511);
3994 adapter->stats.ptc1023 += E1000_READ_REG(&adapter->hw, E1000_PTC1023);
3995 adapter->stats.ptc1522 += E1000_READ_REG(&adapter->hw, E1000_PTC1522);
3996 adapter->stats.mptc += E1000_READ_REG(&adapter->hw, E1000_MPTC);
3997 adapter->stats.bptc += E1000_READ_REG(&adapter->hw, E1000_BPTC);
3999 /* Interrupt Counts */
4001 adapter->stats.iac += E1000_READ_REG(&adapter->hw, E1000_IAC);
4002 adapter->stats.icrxptc += E1000_READ_REG(&adapter->hw, E1000_ICRXPTC);
4003 adapter->stats.icrxatc += E1000_READ_REG(&adapter->hw, E1000_ICRXATC);
4004 adapter->stats.ictxptc += E1000_READ_REG(&adapter->hw, E1000_ICTXPTC);
4005 adapter->stats.ictxatc += E1000_READ_REG(&adapter->hw, E1000_ICTXATC);
4006 adapter->stats.ictxqec += E1000_READ_REG(&adapter->hw, E1000_ICTXQEC);
4007 adapter->stats.ictxqmtc += E1000_READ_REG(&adapter->hw, E1000_ICTXQMTC);
4008 adapter->stats.icrxdmtc += E1000_READ_REG(&adapter->hw, E1000_ICRXDMTC);
4009 adapter->stats.icrxoc += E1000_READ_REG(&adapter->hw, E1000_ICRXOC);
4011 if (adapter->hw.mac.type >= e1000_82543) {
4012 adapter->stats.algnerrc +=
4013 E1000_READ_REG(&adapter->hw, E1000_ALGNERRC);
4014 adapter->stats.rxerrc +=
4015 E1000_READ_REG(&adapter->hw, E1000_RXERRC);
4016 adapter->stats.tncrs +=
4017 E1000_READ_REG(&adapter->hw, E1000_TNCRS);
4018 adapter->stats.cexterr +=
4019 E1000_READ_REG(&adapter->hw, E1000_CEXTERR);
4020 adapter->stats.tsctc +=
4021 E1000_READ_REG(&adapter->hw, E1000_TSCTC);
4022 adapter->stats.tsctfc +=
4023 E1000_READ_REG(&adapter->hw, E1000_TSCTFC);
4028 em_if_get_counter(if_ctx_t ctx, ift_counter cnt)
4030 struct adapter *adapter = iflib_get_softc(ctx);
4031 struct ifnet *ifp = iflib_get_ifp(ctx);
4034 case IFCOUNTER_COLLISIONS:
4035 return (adapter->stats.colc);
4036 case IFCOUNTER_IERRORS:
4037 return (adapter->dropped_pkts + adapter->stats.rxerrc +
4038 adapter->stats.crcerrs + adapter->stats.algnerrc +
4039 adapter->stats.ruc + adapter->stats.roc +
4040 adapter->stats.mpc + adapter->stats.cexterr);
4041 case IFCOUNTER_OERRORS:
4042 return (adapter->stats.ecol + adapter->stats.latecol +
4043 adapter->watchdog_events);
4045 return (if_get_counter_default(ifp, cnt));
4049 /* em_if_needs_restart - Tell iflib when the driver needs to be reinitialized
4050 * @ctx: iflib context
4051 * @event: event code to check
4053 * Defaults to returning true for unknown events.
4055 * @returns true if iflib needs to reinit the interface
4058 em_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
4061 case IFLIB_RESTART_VLAN_CONFIG:
4068 /* Export a single 32-bit register via a read-only sysctl. */
4070 em_sysctl_reg_handler(SYSCTL_HANDLER_ARGS)
4072 struct adapter *adapter;
4075 adapter = oidp->oid_arg1;
4076 val = E1000_READ_REG(&adapter->hw, oidp->oid_arg2);
4077 return (sysctl_handle_int(oidp, &val, 0, req));
4081 * Add sysctl variables, one per statistic, to the system.
4084 em_add_hw_stats(struct adapter *adapter)
4086 device_t dev = iflib_get_dev(adapter->ctx);
4087 struct em_tx_queue *tx_que = adapter->tx_queues;
4088 struct em_rx_queue *rx_que = adapter->rx_queues;
4090 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev);
4091 struct sysctl_oid *tree = device_get_sysctl_tree(dev);
4092 struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
4093 struct e1000_hw_stats *stats = &adapter->stats;
4095 struct sysctl_oid *stat_node, *queue_node, *int_node;
4096 struct sysctl_oid_list *stat_list, *queue_list, *int_list;
4098 #define QUEUE_NAME_LEN 32
4099 char namebuf[QUEUE_NAME_LEN];
4101 /* Driver Statistics */
4102 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "dropped",
4103 CTLFLAG_RD, &adapter->dropped_pkts,
4104 "Driver dropped packets");
4105 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "link_irq",
4106 CTLFLAG_RD, &adapter->link_irq,
4107 "Link MSI-X IRQ Handled");
4108 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "rx_overruns",
4109 CTLFLAG_RD, &adapter->rx_overruns,
4111 SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "watchdog_timeouts",
4112 CTLFLAG_RD, &adapter->watchdog_events,
4113 "Watchdog timeouts");
4114 SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "device_control",
4115 CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
4116 adapter, E1000_CTRL, em_sysctl_reg_handler, "IU",
4117 "Device Control Register");
4118 SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "rx_control",
4119 CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
4120 adapter, E1000_RCTL, em_sysctl_reg_handler, "IU",
4121 "Receiver Control Register");
4122 SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "fc_high_water",
4123 CTLFLAG_RD, &adapter->hw.fc.high_water, 0,
4124 "Flow Control High Watermark");
4125 SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "fc_low_water",
4126 CTLFLAG_RD, &adapter->hw.fc.low_water, 0,
4127 "Flow Control Low Watermark");
4129 for (int i = 0; i < adapter->tx_num_queues; i++, tx_que++) {
4130 struct tx_ring *txr = &tx_que->txr;
4131 snprintf(namebuf, QUEUE_NAME_LEN, "queue_tx_%d", i);
4132 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, namebuf,
4133 CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "TX Queue Name");
4134 queue_list = SYSCTL_CHILDREN(queue_node);
4136 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "txd_head",
4137 CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, adapter,
4138 E1000_TDH(txr->me), em_sysctl_reg_handler, "IU",
4139 "Transmit Descriptor Head");
4140 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "txd_tail",
4141 CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, adapter,
4142 E1000_TDT(txr->me), em_sysctl_reg_handler, "IU",
4143 "Transmit Descriptor Tail");
4144 SYSCTL_ADD_ULONG(ctx, queue_list, OID_AUTO, "tx_irq",
4145 CTLFLAG_RD, &txr->tx_irq,
4146 "Queue MSI-X Transmit Interrupts");
4149 for (int j = 0; j < adapter->rx_num_queues; j++, rx_que++) {
4150 struct rx_ring *rxr = &rx_que->rxr;
4151 snprintf(namebuf, QUEUE_NAME_LEN, "queue_rx_%d", j);
4152 queue_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, namebuf,
4153 CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "RX Queue Name");
4154 queue_list = SYSCTL_CHILDREN(queue_node);
4156 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "rxd_head",
4157 CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, adapter,
4158 E1000_RDH(rxr->me), em_sysctl_reg_handler, "IU",
4159 "Receive Descriptor Head");
4160 SYSCTL_ADD_PROC(ctx, queue_list, OID_AUTO, "rxd_tail",
4161 CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, adapter,
4162 E1000_RDT(rxr->me), em_sysctl_reg_handler, "IU",
4163 "Receive Descriptor Tail");
4164 SYSCTL_ADD_ULONG(ctx, queue_list, OID_AUTO, "rx_irq",
4165 CTLFLAG_RD, &rxr->rx_irq,
4166 "Queue MSI-X Receive Interrupts");
4169 /* MAC stats get their own sub node */
4171 stat_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "mac_stats",
4172 CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Statistics");
4173 stat_list = SYSCTL_CHILDREN(stat_node);
4175 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "excess_coll",
4176 CTLFLAG_RD, &stats->ecol,
4177 "Excessive collisions");
4178 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "single_coll",
4179 CTLFLAG_RD, &stats->scc,
4180 "Single collisions");
4181 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "multiple_coll",
4182 CTLFLAG_RD, &stats->mcc,
4183 "Multiple collisions");
4184 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "late_coll",
4185 CTLFLAG_RD, &stats->latecol,
4187 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "collision_count",
4188 CTLFLAG_RD, &stats->colc,
4190 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "symbol_errors",
4191 CTLFLAG_RD, &adapter->stats.symerrs,
4193 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "sequence_errors",
4194 CTLFLAG_RD, &adapter->stats.sec,
4196 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "defer_count",
4197 CTLFLAG_RD, &adapter->stats.dc,
4199 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "missed_packets",
4200 CTLFLAG_RD, &adapter->stats.mpc,
4202 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_no_buff",
4203 CTLFLAG_RD, &adapter->stats.rnbc,
4204 "Receive No Buffers");
4205 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_undersize",
4206 CTLFLAG_RD, &adapter->stats.ruc,
4207 "Receive Undersize");
4208 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_fragmented",
4209 CTLFLAG_RD, &adapter->stats.rfc,
4210 "Fragmented Packets Received ");
4211 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_oversize",
4212 CTLFLAG_RD, &adapter->stats.roc,
4213 "Oversized Packets Received");
4214 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_jabber",
4215 CTLFLAG_RD, &adapter->stats.rjc,
4217 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "recv_errs",
4218 CTLFLAG_RD, &adapter->stats.rxerrc,
4220 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "crc_errs",
4221 CTLFLAG_RD, &adapter->stats.crcerrs,
4223 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "alignment_errs",
4224 CTLFLAG_RD, &adapter->stats.algnerrc,
4225 "Alignment Errors");
4226 /* On 82575 these are collision counts */
4227 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "coll_ext_errs",
4228 CTLFLAG_RD, &adapter->stats.cexterr,
4229 "Collision/Carrier extension errors");
4230 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xon_recvd",
4231 CTLFLAG_RD, &adapter->stats.xonrxc,
4233 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xon_txd",
4234 CTLFLAG_RD, &adapter->stats.xontxc,
4236 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xoff_recvd",
4237 CTLFLAG_RD, &adapter->stats.xoffrxc,
4239 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "xoff_txd",
4240 CTLFLAG_RD, &adapter->stats.xofftxc,
4241 "XOFF Transmitted");
4243 /* Packet Reception Stats */
4244 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "total_pkts_recvd",
4245 CTLFLAG_RD, &adapter->stats.tpr,
4246 "Total Packets Received ");
4247 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_recvd",
4248 CTLFLAG_RD, &adapter->stats.gprc,
4249 "Good Packets Received");
4250 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "bcast_pkts_recvd",
4251 CTLFLAG_RD, &adapter->stats.bprc,
4252 "Broadcast Packets Received");
4253 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_recvd",
4254 CTLFLAG_RD, &adapter->stats.mprc,
4255 "Multicast Packets Received");
4256 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_64",
4257 CTLFLAG_RD, &adapter->stats.prc64,
4258 "64 byte frames received ");
4259 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_65_127",
4260 CTLFLAG_RD, &adapter->stats.prc127,
4261 "65-127 byte frames received");
4262 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_128_255",
4263 CTLFLAG_RD, &adapter->stats.prc255,
4264 "128-255 byte frames received");
4265 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_256_511",
4266 CTLFLAG_RD, &adapter->stats.prc511,
4267 "256-511 byte frames received");
4268 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_512_1023",
4269 CTLFLAG_RD, &adapter->stats.prc1023,
4270 "512-1023 byte frames received");
4271 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frames_1024_1522",
4272 CTLFLAG_RD, &adapter->stats.prc1522,
4273 "1023-1522 byte frames received");
4274 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_recvd",
4275 CTLFLAG_RD, &adapter->stats.gorc,
4276 "Good Octets Received");
4278 /* Packet Transmission Stats */
4279 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_octets_txd",
4280 CTLFLAG_RD, &adapter->stats.gotc,
4281 "Good Octets Transmitted");
4282 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "total_pkts_txd",
4283 CTLFLAG_RD, &adapter->stats.tpt,
4284 "Total Packets Transmitted");
4285 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "good_pkts_txd",
4286 CTLFLAG_RD, &adapter->stats.gptc,
4287 "Good Packets Transmitted");
4288 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "bcast_pkts_txd",
4289 CTLFLAG_RD, &adapter->stats.bptc,
4290 "Broadcast Packets Transmitted");
4291 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mcast_pkts_txd",
4292 CTLFLAG_RD, &adapter->stats.mptc,
4293 "Multicast Packets Transmitted");
4294 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_64",
4295 CTLFLAG_RD, &adapter->stats.ptc64,
4296 "64 byte frames transmitted ");
4297 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_65_127",
4298 CTLFLAG_RD, &adapter->stats.ptc127,
4299 "65-127 byte frames transmitted");
4300 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_128_255",
4301 CTLFLAG_RD, &adapter->stats.ptc255,
4302 "128-255 byte frames transmitted");
4303 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_256_511",
4304 CTLFLAG_RD, &adapter->stats.ptc511,
4305 "256-511 byte frames transmitted");
4306 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_512_1023",
4307 CTLFLAG_RD, &adapter->stats.ptc1023,
4308 "512-1023 byte frames transmitted");
4309 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_frames_1024_1522",
4310 CTLFLAG_RD, &adapter->stats.ptc1522,
4311 "1024-1522 byte frames transmitted");
4312 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tso_txd",
4313 CTLFLAG_RD, &adapter->stats.tsctc,
4314 "TSO Contexts Transmitted");
4315 SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tso_ctx_fail",
4316 CTLFLAG_RD, &adapter->stats.tsctfc,
4317 "TSO Contexts Failed");
4320 /* Interrupt Stats */
4322 int_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "interrupts",
4323 CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Interrupt Statistics");
4324 int_list = SYSCTL_CHILDREN(int_node);
4326 SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "asserts",
4327 CTLFLAG_RD, &adapter->stats.iac,
4328 "Interrupt Assertion Count");
4330 SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "rx_pkt_timer",
4331 CTLFLAG_RD, &adapter->stats.icrxptc,
4332 "Interrupt Cause Rx Pkt Timer Expire Count");
4334 SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "rx_abs_timer",
4335 CTLFLAG_RD, &adapter->stats.icrxatc,
4336 "Interrupt Cause Rx Abs Timer Expire Count");
4338 SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "tx_pkt_timer",
4339 CTLFLAG_RD, &adapter->stats.ictxptc,
4340 "Interrupt Cause Tx Pkt Timer Expire Count");
4342 SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "tx_abs_timer",
4343 CTLFLAG_RD, &adapter->stats.ictxatc,
4344 "Interrupt Cause Tx Abs Timer Expire Count");
4346 SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "tx_queue_empty",
4347 CTLFLAG_RD, &adapter->stats.ictxqec,
4348 "Interrupt Cause Tx Queue Empty Count");
4350 SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "tx_queue_min_thresh",
4351 CTLFLAG_RD, &adapter->stats.ictxqmtc,
4352 "Interrupt Cause Tx Queue Min Thresh Count");
4354 SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "rx_desc_min_thresh",
4355 CTLFLAG_RD, &adapter->stats.icrxdmtc,
4356 "Interrupt Cause Rx Desc Min Thresh Count");
4358 SYSCTL_ADD_UQUAD(ctx, int_list, OID_AUTO, "rx_overrun",
4359 CTLFLAG_RD, &adapter->stats.icrxoc,
4360 "Interrupt Cause Receiver Overrun Count");
4363 /**********************************************************************
4365 * This routine provides a way to dump out the adapter eeprom,
4366 * often a useful debug/service tool. This only dumps the first
4367 * 32 words, stuff that matters is in that extent.
4369 **********************************************************************/
4371 em_sysctl_nvm_info(SYSCTL_HANDLER_ARGS)
4373 struct adapter *adapter = (struct adapter *)arg1;
4378 error = sysctl_handle_int(oidp, &result, 0, req);
4380 if (error || !req->newptr)
4384 * This value will cause a hex dump of the
4385 * first 32 16-bit words of the EEPROM to
4389 em_print_nvm_info(adapter);
4395 em_print_nvm_info(struct adapter *adapter)
4400 /* Its a bit crude, but it gets the job done */
4401 printf("\nInterface EEPROM Dump:\n");
4402 printf("Offset\n0x0000 ");
4403 for (i = 0, j = 0; i < 32; i++, j++) {
4404 if (j == 8) { /* Make the offset block */
4406 printf("\n0x00%x0 ",row);
4408 e1000_read_nvm(&adapter->hw, i, 1, &eeprom_data);
4409 printf("%04x ", eeprom_data);
4415 em_sysctl_int_delay(SYSCTL_HANDLER_ARGS)
4417 struct em_int_delay_info *info;
4418 struct adapter *adapter;
4420 int error, usecs, ticks;
4422 info = (struct em_int_delay_info *) arg1;
4423 usecs = info->value;
4424 error = sysctl_handle_int(oidp, &usecs, 0, req);
4425 if (error != 0 || req->newptr == NULL)
4427 if (usecs < 0 || usecs > EM_TICKS_TO_USECS(65535))
4429 info->value = usecs;
4430 ticks = EM_USECS_TO_TICKS(usecs);
4431 if (info->offset == E1000_ITR) /* units are 256ns here */
4434 adapter = info->adapter;
4436 regval = E1000_READ_OFFSET(&adapter->hw, info->offset);
4437 regval = (regval & ~0xffff) | (ticks & 0xffff);
4438 /* Handle a few special cases. */
4439 switch (info->offset) {
4444 adapter->txd_cmd &= ~E1000_TXD_CMD_IDE;
4445 /* Don't write 0 into the TIDV register. */
4448 adapter->txd_cmd |= E1000_TXD_CMD_IDE;
4451 E1000_WRITE_OFFSET(&adapter->hw, info->offset, regval);
4456 em_add_int_delay_sysctl(struct adapter *adapter, const char *name,
4457 const char *description, struct em_int_delay_info *info,
4458 int offset, int value)
4460 info->adapter = adapter;
4461 info->offset = offset;
4462 info->value = value;
4463 SYSCTL_ADD_PROC(device_get_sysctl_ctx(adapter->dev),
4464 SYSCTL_CHILDREN(device_get_sysctl_tree(adapter->dev)),
4465 OID_AUTO, name, CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
4466 info, 0, em_sysctl_int_delay, "I", description);
4470 * Set flow control using sysctl:
4471 * Flow control values:
4478 em_set_flowcntl(SYSCTL_HANDLER_ARGS)
4481 static int input = 3; /* default is full */
4482 struct adapter *adapter = (struct adapter *) arg1;
4484 error = sysctl_handle_int(oidp, &input, 0, req);
4486 if ((error) || (req->newptr == NULL))
4489 if (input == adapter->fc) /* no change? */
4493 case e1000_fc_rx_pause:
4494 case e1000_fc_tx_pause:
4497 adapter->hw.fc.requested_mode = input;
4498 adapter->fc = input;
4505 adapter->hw.fc.current_mode = adapter->hw.fc.requested_mode;
4506 e1000_force_mac_fc(&adapter->hw);
4511 * Manage Energy Efficient Ethernet:
4513 * 0/1 - enabled/disabled
4516 em_sysctl_eee(SYSCTL_HANDLER_ARGS)
4518 struct adapter *adapter = (struct adapter *) arg1;
4521 value = adapter->hw.dev_spec.ich8lan.eee_disable;
4522 error = sysctl_handle_int(oidp, &value, 0, req);
4523 if (error || req->newptr == NULL)
4525 adapter->hw.dev_spec.ich8lan.eee_disable = (value != 0);
4526 em_if_init(adapter->ctx);
4532 em_sysctl_debug_info(SYSCTL_HANDLER_ARGS)
4534 struct adapter *adapter;
4539 error = sysctl_handle_int(oidp, &result, 0, req);
4541 if (error || !req->newptr)
4545 adapter = (struct adapter *) arg1;
4546 em_print_debug_info(adapter);
4553 em_get_rs(SYSCTL_HANDLER_ARGS)
4555 struct adapter *adapter = (struct adapter *) arg1;
4560 error = sysctl_handle_int(oidp, &result, 0, req);
4562 if (error || !req->newptr || result != 1)
4564 em_dump_rs(adapter);
4570 em_if_debug(if_ctx_t ctx)
4572 em_dump_rs(iflib_get_softc(ctx));
4576 * This routine is meant to be fluid, add whatever is
4577 * needed for debugging a problem. -jfv
4580 em_print_debug_info(struct adapter *adapter)
4582 device_t dev = iflib_get_dev(adapter->ctx);
4583 struct ifnet *ifp = iflib_get_ifp(adapter->ctx);
4584 struct tx_ring *txr = &adapter->tx_queues->txr;
4585 struct rx_ring *rxr = &adapter->rx_queues->rxr;
4587 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING)
4588 printf("Interface is RUNNING ");
4590 printf("Interface is NOT RUNNING\n");
4592 if (if_getdrvflags(ifp) & IFF_DRV_OACTIVE)
4593 printf("and INACTIVE\n");
4595 printf("and ACTIVE\n");
4597 for (int i = 0; i < adapter->tx_num_queues; i++, txr++) {
4598 device_printf(dev, "TX Queue %d ------\n", i);
4599 device_printf(dev, "hw tdh = %d, hw tdt = %d\n",
4600 E1000_READ_REG(&adapter->hw, E1000_TDH(i)),
4601 E1000_READ_REG(&adapter->hw, E1000_TDT(i)));
4604 for (int j=0; j < adapter->rx_num_queues; j++, rxr++) {
4605 device_printf(dev, "RX Queue %d ------\n", j);
4606 device_printf(dev, "hw rdh = %d, hw rdt = %d\n",
4607 E1000_READ_REG(&adapter->hw, E1000_RDH(j)),
4608 E1000_READ_REG(&adapter->hw, E1000_RDT(j)));
4614 * Write a new value to the EEPROM increasing the number of MSI-X
4615 * vectors from 3 to 5, for proper multiqueue support.
4618 em_enable_vectors_82574(if_ctx_t ctx)
4620 struct adapter *adapter = iflib_get_softc(ctx);
4621 struct e1000_hw *hw = &adapter->hw;
4622 device_t dev = iflib_get_dev(ctx);
4625 e1000_read_nvm(hw, EM_NVM_PCIE_CTRL, 1, &edata);
4627 device_printf(dev, "EM_NVM_PCIE_CTRL = %#06x\n", edata);
4628 if (((edata & EM_NVM_MSIX_N_MASK) >> EM_NVM_MSIX_N_SHIFT) != 4) {
4629 device_printf(dev, "Writing to eeprom: increasing "
4630 "reported MSI-X vectors from 3 to 5...\n");
4631 edata &= ~(EM_NVM_MSIX_N_MASK);
4632 edata |= 4 << EM_NVM_MSIX_N_SHIFT;
4633 e1000_write_nvm(hw, EM_NVM_PCIE_CTRL, 1, &edata);
4634 e1000_update_nvm_checksum(hw);
4635 device_printf(dev, "Writing to eeprom: done\n");