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1 /* Intel(R) Gigabit Ethernet Linux driver
2  * Copyright(c) 2007-2014 Intel Corporation.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  * more details.
12  *
13  * You should have received a copy of the GNU General Public License along with
14  * this program; if not, see <http://www.gnu.org/licenses/>.
15  *
16  * The full GNU General Public License is included in this distribution in
17  * the file called "COPYING".
18  *
19  * Contact Information:
20  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
21  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
22  */
23 
24 #ifndef _E1000_82575_H_
25 #define _E1000_82575_H_
26 
27 void igb_shutdown_serdes_link_82575(struct e1000_hw *hw);
28 void igb_power_up_serdes_link_82575(struct e1000_hw *hw);
29 void igb_power_down_phy_copper_82575(struct e1000_hw *hw);
30 void igb_rx_fifo_flush_82575(struct e1000_hw *hw);
31 s32 igb_read_i2c_byte(struct e1000_hw *hw, u8 byte_offset, u8 dev_addr,
32 		      u8 *data);
33 s32 igb_write_i2c_byte(struct e1000_hw *hw, u8 byte_offset, u8 dev_addr,
34 		       u8 data);
35 
36 #define ID_LED_DEFAULT_82575_SERDES ((ID_LED_DEF1_DEF2 << 12) | \
37 				     (ID_LED_DEF1_DEF2 <<  8) | \
38 				     (ID_LED_DEF1_DEF2 <<  4) | \
39 				     (ID_LED_OFF1_ON2))
40 
41 #define E1000_RAR_ENTRIES_82575        16
42 #define E1000_RAR_ENTRIES_82576        24
43 #define E1000_RAR_ENTRIES_82580        24
44 #define E1000_RAR_ENTRIES_I350         32
45 
46 #define E1000_SW_SYNCH_MB              0x00000100
47 #define E1000_STAT_DEV_RST_SET         0x00100000
48 #define E1000_CTRL_DEV_RST             0x20000000
49 
50 /* SRRCTL bit definitions */
51 #define E1000_SRRCTL_BSIZEPKT_SHIFT                     10 /* Shift _right_ */
52 #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT                 2  /* Shift _left_ */
53 #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF                0x02000000
54 #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS          0x0A000000
55 #define E1000_SRRCTL_DROP_EN                            0x80000000
56 #define E1000_SRRCTL_TIMESTAMP                          0x40000000
57 
58 
59 #define E1000_MRQC_ENABLE_RSS_MQ            0x00000002
60 #define E1000_MRQC_ENABLE_VMDQ              0x00000003
61 #define E1000_MRQC_RSS_FIELD_IPV4_UDP       0x00400000
62 #define E1000_MRQC_ENABLE_VMDQ_RSS_MQ       0x00000005
63 #define E1000_MRQC_RSS_FIELD_IPV6_UDP       0x00800000
64 #define E1000_MRQC_RSS_FIELD_IPV6_UDP_EX    0x01000000
65 
66 #define E1000_EICR_TX_QUEUE ( \
67 	E1000_EICR_TX_QUEUE0 |    \
68 	E1000_EICR_TX_QUEUE1 |    \
69 	E1000_EICR_TX_QUEUE2 |    \
70 	E1000_EICR_TX_QUEUE3)
71 
72 #define E1000_EICR_RX_QUEUE ( \
73 	E1000_EICR_RX_QUEUE0 |    \
74 	E1000_EICR_RX_QUEUE1 |    \
75 	E1000_EICR_RX_QUEUE2 |    \
76 	E1000_EICR_RX_QUEUE3)
77 
78 /* Immediate Interrupt Rx (A.K.A. Low Latency Interrupt) */
79 #define E1000_IMIREXT_SIZE_BP     0x00001000  /* Packet size bypass */
80 #define E1000_IMIREXT_CTRL_BP     0x00080000  /* Bypass check of ctrl bits */
81 
82 /* Receive Descriptor - Advanced */
83 union e1000_adv_rx_desc {
84 	struct {
85 		__le64 pkt_addr;             /* Packet buffer address */
86 		__le64 hdr_addr;             /* Header buffer address */
87 	} read;
88 	struct {
89 		struct {
90 			struct {
91 				__le16 pkt_info;   /* RSS type, Packet type */
92 				__le16 hdr_info;   /* Split Head, buf len */
93 			} lo_dword;
94 			union {
95 				__le32 rss;          /* RSS Hash */
96 				struct {
97 					__le16 ip_id;    /* IP id */
98 					__le16 csum;     /* Packet Checksum */
99 				} csum_ip;
100 			} hi_dword;
101 		} lower;
102 		struct {
103 			__le32 status_error;     /* ext status/error */
104 			__le16 length;           /* Packet length */
105 			__le16 vlan;             /* VLAN tag */
106 		} upper;
107 	} wb;  /* writeback */
108 };
109 
110 #define E1000_RXDADV_HDRBUFLEN_MASK      0x7FE0
111 #define E1000_RXDADV_HDRBUFLEN_SHIFT     5
112 #define E1000_RXDADV_STAT_TS             0x10000 /* Pkt was time stamped */
113 #define E1000_RXDADV_STAT_TSIP           0x08000 /* timestamp in packet */
114 
115 /* Transmit Descriptor - Advanced */
116 union e1000_adv_tx_desc {
117 	struct {
118 		__le64 buffer_addr;    /* Address of descriptor's data buf */
119 		__le32 cmd_type_len;
120 		__le32 olinfo_status;
121 	} read;
122 	struct {
123 		__le64 rsvd;       /* Reserved */
124 		__le32 nxtseq_seed;
125 		__le32 status;
126 	} wb;
127 };
128 
129 /* Adv Transmit Descriptor Config Masks */
130 #define E1000_ADVTXD_MAC_TSTAMP   0x00080000 /* IEEE1588 Timestamp packet */
131 #define E1000_ADVTXD_DTYP_CTXT    0x00200000 /* Advanced Context Descriptor */
132 #define E1000_ADVTXD_DTYP_DATA    0x00300000 /* Advanced Data Descriptor */
133 #define E1000_ADVTXD_DCMD_EOP     0x01000000 /* End of Packet */
134 #define E1000_ADVTXD_DCMD_IFCS    0x02000000 /* Insert FCS (Ethernet CRC) */
135 #define E1000_ADVTXD_DCMD_RS      0x08000000 /* Report Status */
136 #define E1000_ADVTXD_DCMD_DEXT    0x20000000 /* Descriptor extension (1=Adv) */
137 #define E1000_ADVTXD_DCMD_VLE     0x40000000 /* VLAN pkt enable */
138 #define E1000_ADVTXD_DCMD_TSE     0x80000000 /* TCP Seg enable */
139 #define E1000_ADVTXD_PAYLEN_SHIFT    14 /* Adv desc PAYLEN shift */
140 
141 /* Context descriptors */
142 struct e1000_adv_tx_context_desc {
143 	__le32 vlan_macip_lens;
144 	__le32 seqnum_seed;
145 	__le32 type_tucmd_mlhl;
146 	__le32 mss_l4len_idx;
147 };
148 
149 #define E1000_ADVTXD_MACLEN_SHIFT    9  /* Adv ctxt desc mac len shift */
150 #define E1000_ADVTXD_TUCMD_IPV4    0x00000400  /* IP Packet Type: 1=IPv4 */
151 #define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800  /* L4 Packet TYPE of TCP */
152 #define E1000_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 packet TYPE of SCTP */
153 /* IPSec Encrypt Enable for ESP */
154 #define E1000_ADVTXD_L4LEN_SHIFT     8  /* Adv ctxt L4LEN shift */
155 #define E1000_ADVTXD_MSS_SHIFT      16  /* Adv ctxt MSS shift */
156 /* Adv ctxt IPSec SA IDX mask */
157 /* Adv ctxt IPSec ESP len mask */
158 
159 /* Additional Transmit Descriptor Control definitions */
160 #define E1000_TXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Tx Queue */
161 /* Tx Queue Arbitration Priority 0=low, 1=high */
162 
163 /* Additional Receive Descriptor Control definitions */
164 #define E1000_RXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Rx Queue */
165 
166 /* Direct Cache Access (DCA) definitions */
167 #define E1000_DCA_CTRL_DCA_MODE_DISABLE 0x01 /* DCA Disable */
168 #define E1000_DCA_CTRL_DCA_MODE_CB2     0x02 /* DCA Mode CB2 */
169 
170 #define E1000_DCA_RXCTRL_CPUID_MASK 0x0000001F /* Rx CPUID Mask */
171 #define E1000_DCA_RXCTRL_DESC_DCA_EN BIT(5) /* DCA Rx Desc enable */
172 #define E1000_DCA_RXCTRL_HEAD_DCA_EN BIT(6) /* DCA Rx Desc header enable */
173 #define E1000_DCA_RXCTRL_DATA_DCA_EN BIT(7) /* DCA Rx Desc payload enable */
174 #define E1000_DCA_RXCTRL_DESC_RRO_EN BIT(9) /* DCA Rx rd Desc Relax Order */
175 
176 #define E1000_DCA_TXCTRL_CPUID_MASK 0x0000001F /* Tx CPUID Mask */
177 #define E1000_DCA_TXCTRL_DESC_DCA_EN BIT(5) /* DCA Tx Desc enable */
178 #define E1000_DCA_TXCTRL_DESC_RRO_EN BIT(9) /* Tx rd Desc Relax Order */
179 #define E1000_DCA_TXCTRL_TX_WB_RO_EN BIT(11) /* Tx Desc writeback RO bit */
180 #define E1000_DCA_TXCTRL_DATA_RRO_EN BIT(13) /* Tx rd data Relax Order */
181 
182 /* Additional DCA related definitions, note change in position of CPUID */
183 #define E1000_DCA_TXCTRL_CPUID_MASK_82576 0xFF000000 /* Tx CPUID Mask */
184 #define E1000_DCA_RXCTRL_CPUID_MASK_82576 0xFF000000 /* Rx CPUID Mask */
185 #define E1000_DCA_TXCTRL_CPUID_SHIFT 24 /* Tx CPUID now in the last byte */
186 #define E1000_DCA_RXCTRL_CPUID_SHIFT 24 /* Rx CPUID now in the last byte */
187 
188 /* ETQF register bit definitions */
189 #define E1000_ETQF_FILTER_ENABLE   BIT(26)
190 #define E1000_ETQF_1588            BIT(30)
191 #define E1000_ETQF_IMM_INT         BIT(29)
192 #define E1000_ETQF_QUEUE_ENABLE    BIT(31)
193 #define E1000_ETQF_QUEUE_SHIFT     16
194 #define E1000_ETQF_QUEUE_MASK      0x00070000
195 #define E1000_ETQF_ETYPE_MASK      0x0000FFFF
196 
197 /* FTQF register bit definitions */
198 #define E1000_FTQF_VF_BP               0x00008000
199 #define E1000_FTQF_1588_TIME_STAMP     0x08000000
200 #define E1000_FTQF_MASK                0xF0000000
201 #define E1000_FTQF_MASK_PROTO_BP       0x10000000
202 #define E1000_FTQF_MASK_SOURCE_PORT_BP 0x80000000
203 
204 #define E1000_NVM_APME_82575          0x0400
205 #define MAX_NUM_VFS                   8
206 
207 #define E1000_DTXSWC_MAC_SPOOF_MASK   0x000000FF /* Per VF MAC spoof control */
208 #define E1000_DTXSWC_VLAN_SPOOF_MASK  0x0000FF00 /* Per VF VLAN spoof control */
209 #define E1000_DTXSWC_LLE_MASK         0x00FF0000 /* Per VF Local LB enables */
210 #define E1000_DTXSWC_VLAN_SPOOF_SHIFT 8
211 #define E1000_DTXSWC_VMDQ_LOOPBACK_EN BIT(31)  /* global VF LB enable */
212 
213 /* Easy defines for setting default pool, would normally be left a zero */
214 #define E1000_VT_CTL_DEFAULT_POOL_SHIFT 7
215 #define E1000_VT_CTL_DEFAULT_POOL_MASK  (0x7 << E1000_VT_CTL_DEFAULT_POOL_SHIFT)
216 
217 /* Other useful VMD_CTL register defines */
218 #define E1000_VT_CTL_IGNORE_MAC         BIT(28)
219 #define E1000_VT_CTL_DISABLE_DEF_POOL   BIT(29)
220 #define E1000_VT_CTL_VM_REPL_EN         BIT(30)
221 
222 /* Per VM Offload register setup */
223 #define E1000_VMOLR_RLPML_MASK 0x00003FFF /* Long Packet Maximum Length mask */
224 #define E1000_VMOLR_LPE        0x00010000 /* Accept Long packet */
225 #define E1000_VMOLR_RSSE       0x00020000 /* Enable RSS */
226 #define E1000_VMOLR_AUPE       0x01000000 /* Accept untagged packets */
227 #define E1000_VMOLR_ROMPE      0x02000000 /* Accept overflow multicast */
228 #define E1000_VMOLR_ROPE       0x04000000 /* Accept overflow unicast */
229 #define E1000_VMOLR_BAM        0x08000000 /* Accept Broadcast packets */
230 #define E1000_VMOLR_MPME       0x10000000 /* Multicast promiscuous mode */
231 #define E1000_VMOLR_STRVLAN    0x40000000 /* Vlan stripping enable */
232 #define E1000_VMOLR_STRCRC     0x80000000 /* CRC stripping enable */
233 
234 #define E1000_DVMOLR_HIDEVLAN  0x20000000 /* Hide vlan enable */
235 #define E1000_DVMOLR_STRVLAN   0x40000000 /* Vlan stripping enable */
236 #define E1000_DVMOLR_STRCRC    0x80000000 /* CRC stripping enable */
237 
238 #define E1000_VLVF_ARRAY_SIZE     32
239 #define E1000_VLVF_VLANID_MASK    0x00000FFF
240 #define E1000_VLVF_POOLSEL_SHIFT  12
241 #define E1000_VLVF_POOLSEL_MASK   (0xFF << E1000_VLVF_POOLSEL_SHIFT)
242 #define E1000_VLVF_LVLAN          0x00100000
243 #define E1000_VLVF_VLANID_ENABLE  0x80000000
244 
245 #define E1000_VMVIR_VLANA_DEFAULT      0x40000000 /* Always use default VLAN */
246 #define E1000_VMVIR_VLANA_NEVER        0x80000000 /* Never insert VLAN tag */
247 
248 #define E1000_IOVCTL 0x05BBC
249 #define E1000_IOVCTL_REUSE_VFQ 0x00000001
250 
251 #define E1000_RPLOLR_STRVLAN   0x40000000
252 #define E1000_RPLOLR_STRCRC    0x80000000
253 
254 #define E1000_DTXCTL_8023LL     0x0004
255 #define E1000_DTXCTL_VLAN_ADDED 0x0008
256 #define E1000_DTXCTL_OOS_ENABLE 0x0010
257 #define E1000_DTXCTL_MDP_EN     0x0020
258 #define E1000_DTXCTL_SPOOF_INT  0x0040
259 
260 #define E1000_EEPROM_PCS_AUTONEG_DISABLE_BIT	BIT(14)
261 
262 #define ALL_QUEUES   0xFFFF
263 
264 /* RX packet buffer size defines */
265 #define E1000_RXPBS_SIZE_MASK_82576  0x0000007F
266 void igb_vmdq_set_anti_spoofing_pf(struct e1000_hw *, bool, int);
267 void igb_vmdq_set_loopback_pf(struct e1000_hw *, bool);
268 void igb_vmdq_set_replication_pf(struct e1000_hw *, bool);
269 u16 igb_rxpbs_adjust_82580(u32 data);
270 s32 igb_read_emi_reg(struct e1000_hw *, u16 addr, u16 *data);
271 s32 igb_set_eee_i350(struct e1000_hw *, bool adv1G, bool adv100M);
272 s32 igb_set_eee_i354(struct e1000_hw *, bool adv1G, bool adv100M);
273 s32 igb_get_eee_status_i354(struct e1000_hw *hw, bool *status);
274 
275 #define E1000_I2C_THERMAL_SENSOR_ADDR	0xF8
276 #define E1000_EMC_INTERNAL_DATA		0x00
277 #define E1000_EMC_INTERNAL_THERM_LIMIT	0x20
278 #define E1000_EMC_DIODE1_DATA		0x01
279 #define E1000_EMC_DIODE1_THERM_LIMIT	0x19
280 #define E1000_EMC_DIODE2_DATA		0x23
281 #define E1000_EMC_DIODE2_THERM_LIMIT	0x1A
282 #define E1000_EMC_DIODE3_DATA		0x2A
283 #define E1000_EMC_DIODE3_THERM_LIMIT	0x30
284 #endif
285