1 /*******************************************************************************
2 
3   Intel 82599 Virtual Function driver
4   Copyright(c) 1999 - 2015 Intel Corporation.
5 
6   This program is free software; you can redistribute it and/or modify it
7   under the terms and conditions of the GNU General Public License,
8   version 2, as published by the Free Software Foundation.
9 
10   This program is distributed in the hope it will be useful, but WITHOUT
11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13   more details.
14 
15   You should have received a copy of the GNU General Public License along with
16   this program; if not, see <http://www.gnu.org/licenses/>.
17 
18   The full GNU General Public License is included in this distribution in
19   the file called "COPYING".
20 
21   Contact Information:
22   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 
25 *******************************************************************************/
26 
27 #ifndef _IXGBEVF_DEFINES_H_
28 #define _IXGBEVF_DEFINES_H_
29 
30 /* Device IDs */
31 #define IXGBE_DEV_ID_82599_VF		0x10ED
32 #define IXGBE_DEV_ID_X540_VF		0x1515
33 #define IXGBE_DEV_ID_X550_VF		0x1565
34 #define IXGBE_DEV_ID_X550EM_X_VF	0x15A8
35 
36 #define IXGBE_VF_IRQ_CLEAR_MASK		7
37 #define IXGBE_VF_MAX_TX_QUEUES		8
38 #define IXGBE_VF_MAX_RX_QUEUES		8
39 
40 /* DCB define */
41 #define IXGBE_VF_MAX_TRAFFIC_CLASS	8
42 
43 /* Link speed */
44 typedef u32 ixgbe_link_speed;
45 #define IXGBE_LINK_SPEED_1GB_FULL	0x0020
46 #define IXGBE_LINK_SPEED_10GB_FULL	0x0080
47 #define IXGBE_LINK_SPEED_100_FULL	0x0008
48 
49 #define IXGBE_CTRL_RST		0x04000000 /* Reset (SW) */
50 #define IXGBE_RXDCTL_ENABLE	0x02000000 /* Enable specific Rx Queue */
51 #define IXGBE_TXDCTL_ENABLE	0x02000000 /* Enable specific Tx Queue */
52 #define IXGBE_LINKS_UP		0x40000000
53 #define IXGBE_LINKS_SPEED_82599		0x30000000
54 #define IXGBE_LINKS_SPEED_10G_82599	0x30000000
55 #define IXGBE_LINKS_SPEED_1G_82599	0x20000000
56 #define IXGBE_LINKS_SPEED_100_82599	0x10000000
57 
58 /* Number of Transmit and Receive Descriptors must be a multiple of 8 */
59 #define IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE	8
60 #define IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE	8
61 #define IXGBE_REQ_TX_BUFFER_GRANULARITY		1024
62 
63 /* Interrupt Vector Allocation Registers */
64 #define IXGBE_IVAR_ALLOC_VAL	0x80 /* Interrupt Allocation valid */
65 
66 #define IXGBE_VF_INIT_TIMEOUT	200 /* Number of retries to clear RSTI */
67 
68 /* Receive Config masks */
69 #define IXGBE_RXCTRL_RXEN	0x00000001  /* Enable Receiver */
70 #define IXGBE_RXCTRL_DMBYPS	0x00000002  /* Descriptor Monitor Bypass */
71 #define IXGBE_RXDCTL_ENABLE	0x02000000  /* Enable specific Rx Queue */
72 #define IXGBE_RXDCTL_VME	0x40000000  /* VLAN mode enable */
73 #define IXGBE_RXDCTL_RLPMLMASK	0x00003FFF  /* Only supported on the X540 */
74 #define IXGBE_RXDCTL_RLPML_EN	0x00008000
75 
76 /* DCA Control */
77 #define IXGBE_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */
78 
79 /* PSRTYPE bit definitions */
80 #define IXGBE_PSRTYPE_TCPHDR	0x00000010
81 #define IXGBE_PSRTYPE_UDPHDR	0x00000020
82 #define IXGBE_PSRTYPE_IPV4HDR	0x00000100
83 #define IXGBE_PSRTYPE_IPV6HDR	0x00000200
84 #define IXGBE_PSRTYPE_L2HDR	0x00001000
85 
86 /* SRRCTL bit definitions */
87 #define IXGBE_SRRCTL_BSIZEPKT_SHIFT	10     /* so many KBs */
88 #define IXGBE_SRRCTL_RDMTS_SHIFT	22
89 #define IXGBE_SRRCTL_RDMTS_MASK		0x01C00000
90 #define IXGBE_SRRCTL_DROP_EN		0x10000000
91 #define IXGBE_SRRCTL_BSIZEPKT_MASK	0x0000007F
92 #define IXGBE_SRRCTL_BSIZEHDR_MASK	0x00003F00
93 #define IXGBE_SRRCTL_DESCTYPE_LEGACY	0x00000000
94 #define IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000
95 #define IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT	0x04000000
96 #define IXGBE_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000
97 #define IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000
98 #define IXGBE_SRRCTL_DESCTYPE_MASK	0x0E000000
99 
100 /* Receive Descriptor bit definitions */
101 #define IXGBE_RXD_STAT_DD	0x01    /* Descriptor Done */
102 #define IXGBE_RXD_STAT_EOP	0x02    /* End of Packet */
103 #define IXGBE_RXD_STAT_FLM	0x04    /* FDir Match */
104 #define IXGBE_RXD_STAT_VP	0x08    /* IEEE VLAN Packet */
105 #define IXGBE_RXDADV_NEXTP_MASK	0x000FFFF0 /* Next Descriptor Index */
106 #define IXGBE_RXDADV_NEXTP_SHIFT	0x00000004
107 #define IXGBE_RXD_STAT_UDPCS	0x10    /* UDP xsum calculated */
108 #define IXGBE_RXD_STAT_L4CS	0x20    /* L4 xsum calculated */
109 #define IXGBE_RXD_STAT_IPCS	0x40    /* IP xsum calculated */
110 #define IXGBE_RXD_STAT_PIF	0x80    /* passed in-exact filter */
111 #define IXGBE_RXD_STAT_CRCV	0x100   /* Speculative CRC Valid */
112 #define IXGBE_RXD_STAT_VEXT	0x200   /* 1st VLAN found */
113 #define IXGBE_RXD_STAT_UDPV	0x400   /* Valid UDP checksum */
114 #define IXGBE_RXD_STAT_DYNINT	0x800   /* Pkt caused INT via DYNINT */
115 #define IXGBE_RXD_STAT_TS	0x10000 /* Time Stamp */
116 #define IXGBE_RXD_STAT_SECP	0x20000 /* Security Processing */
117 #define IXGBE_RXD_STAT_LB	0x40000 /* Loopback Status */
118 #define IXGBE_RXD_STAT_ACK	0x8000  /* ACK Packet indication */
119 #define IXGBE_RXD_ERR_CE	0x01    /* CRC Error */
120 #define IXGBE_RXD_ERR_LE	0x02    /* Length Error */
121 #define IXGBE_RXD_ERR_PE	0x08    /* Packet Error */
122 #define IXGBE_RXD_ERR_OSE	0x10    /* Oversize Error */
123 #define IXGBE_RXD_ERR_USE	0x20    /* Undersize Error */
124 #define IXGBE_RXD_ERR_TCPE	0x40    /* TCP/UDP Checksum Error */
125 #define IXGBE_RXD_ERR_IPE	0x80    /* IP Checksum Error */
126 #define IXGBE_RXDADV_ERR_MASK	0xFFF00000 /* RDESC.ERRORS mask */
127 #define IXGBE_RXDADV_ERR_SHIFT	20         /* RDESC.ERRORS shift */
128 #define IXGBE_RXDADV_ERR_HBO	0x00800000 /*Header Buffer Overflow */
129 #define IXGBE_RXDADV_ERR_CE	0x01000000 /* CRC Error */
130 #define IXGBE_RXDADV_ERR_LE	0x02000000 /* Length Error */
131 #define IXGBE_RXDADV_ERR_PE	0x08000000 /* Packet Error */
132 #define IXGBE_RXDADV_ERR_OSE	0x10000000 /* Oversize Error */
133 #define IXGBE_RXDADV_ERR_USE	0x20000000 /* Undersize Error */
134 #define IXGBE_RXDADV_ERR_TCPE	0x40000000 /* TCP/UDP Checksum Error */
135 #define IXGBE_RXDADV_ERR_IPE	0x80000000 /* IP Checksum Error */
136 #define IXGBE_RXD_VLAN_ID_MASK	0x0FFF  /* VLAN ID is in lower 12 bits */
137 #define IXGBE_RXD_PRI_MASK	0xE000  /* Priority is in upper 3 bits */
138 #define IXGBE_RXD_PRI_SHIFT	13
139 #define IXGBE_RXD_CFI_MASK	0x1000  /* CFI is bit 12 */
140 #define IXGBE_RXD_CFI_SHIFT	12
141 
142 #define IXGBE_RXDADV_STAT_DD		IXGBE_RXD_STAT_DD  /* Done */
143 #define IXGBE_RXDADV_STAT_EOP		IXGBE_RXD_STAT_EOP /* End of Packet */
144 #define IXGBE_RXDADV_STAT_FLM		IXGBE_RXD_STAT_FLM /* FDir Match */
145 #define IXGBE_RXDADV_STAT_VP		IXGBE_RXD_STAT_VP  /* IEEE VLAN Pkt */
146 #define IXGBE_RXDADV_STAT_MASK		0x000FFFFF /* Stat/NEXTP: bit 0-19 */
147 #define IXGBE_RXDADV_STAT_FCEOFS	0x00000040 /* FCoE EOF/SOF Stat */
148 #define IXGBE_RXDADV_STAT_FCSTAT	0x00000030 /* FCoE Pkt Stat */
149 #define IXGBE_RXDADV_STAT_FCSTAT_NOMTCH	0x00000000 /* 00: No Ctxt Match */
150 #define IXGBE_RXDADV_STAT_FCSTAT_NODDP	0x00000010 /* 01: Ctxt w/o DDP */
151 #define IXGBE_RXDADV_STAT_FCSTAT_FCPRSP	0x00000020 /* 10: Recv. FCP_RSP */
152 #define IXGBE_RXDADV_STAT_FCSTAT_DDP	0x00000030 /* 11: Ctxt w/ DDP */
153 
154 #define IXGBE_RXDADV_RSSTYPE_MASK	0x0000000F
155 #define IXGBE_RXDADV_PKTTYPE_MASK	0x0000FFF0
156 #define IXGBE_RXDADV_PKTTYPE_MASK_EX	0x0001FFF0
157 #define IXGBE_RXDADV_HDRBUFLEN_MASK	0x00007FE0
158 #define IXGBE_RXDADV_RSCCNT_MASK	0x001E0000
159 #define IXGBE_RXDADV_RSCCNT_SHIFT	17
160 #define IXGBE_RXDADV_HDRBUFLEN_SHIFT	5
161 #define IXGBE_RXDADV_SPLITHEADER_EN	0x00001000
162 #define IXGBE_RXDADV_SPH		0x8000
163 
164 #define IXGBE_RXD_ERR_FRAME_ERR_MASK ( \
165 				      IXGBE_RXD_ERR_CE |  \
166 				      IXGBE_RXD_ERR_LE |  \
167 				      IXGBE_RXD_ERR_PE |  \
168 				      IXGBE_RXD_ERR_OSE | \
169 				      IXGBE_RXD_ERR_USE)
170 
171 #define IXGBE_RXDADV_ERR_FRAME_ERR_MASK ( \
172 					 IXGBE_RXDADV_ERR_CE |  \
173 					 IXGBE_RXDADV_ERR_LE |  \
174 					 IXGBE_RXDADV_ERR_PE |  \
175 					 IXGBE_RXDADV_ERR_OSE | \
176 					 IXGBE_RXDADV_ERR_USE)
177 
178 #define IXGBE_TXD_POPTS_IXSM	0x01       /* Insert IP checksum */
179 #define IXGBE_TXD_POPTS_TXSM	0x02       /* Insert TCP/UDP checksum */
180 #define IXGBE_TXD_CMD_EOP	0x01000000 /* End of Packet */
181 #define IXGBE_TXD_CMD_IFCS	0x02000000 /* Insert FCS (Ethernet CRC) */
182 #define IXGBE_TXD_CMD_IC	0x04000000 /* Insert Checksum */
183 #define IXGBE_TXD_CMD_RS	0x08000000 /* Report Status */
184 #define IXGBE_TXD_CMD_DEXT	0x20000000 /* Descriptor ext (0 = legacy) */
185 #define IXGBE_TXD_CMD_VLE	0x40000000 /* Add VLAN tag */
186 #define IXGBE_TXD_STAT_DD	0x00000001 /* Descriptor Done */
187 #define IXGBE_TXD_CMD		(IXGBE_TXD_CMD_EOP | IXGBE_TXD_CMD_RS)
188 
189 /* Transmit Descriptor - Advanced */
190 union ixgbe_adv_tx_desc {
191 	struct {
192 		__le64 buffer_addr;      /* Address of descriptor's data buf */
193 		__le32 cmd_type_len;
194 		__le32 olinfo_status;
195 	} read;
196 	struct {
197 		__le64 rsvd;       /* Reserved */
198 		__le32 nxtseq_seed;
199 		__le32 status;
200 	} wb;
201 };
202 
203 /* Receive Descriptor - Advanced */
204 union ixgbe_adv_rx_desc {
205 	struct {
206 		__le64 pkt_addr; /* Packet buffer address */
207 		__le64 hdr_addr; /* Header buffer address */
208 	} read;
209 	struct {
210 		struct {
211 			union {
212 				__le32 data;
213 				struct {
214 					__le16 pkt_info; /* RSS, Pkt type */
215 					__le16 hdr_info; /* Splithdr, hdrlen */
216 				} hs_rss;
217 			} lo_dword;
218 			union {
219 				__le32 rss; /* RSS Hash */
220 				struct {
221 					__le16 ip_id; /* IP id */
222 					__le16 csum; /* Packet Checksum */
223 				} csum_ip;
224 			} hi_dword;
225 		} lower;
226 		struct {
227 			__le32 status_error; /* ext status/error */
228 			__le16 length; /* Packet length */
229 			__le16 vlan; /* VLAN tag */
230 		} upper;
231 	} wb;  /* writeback */
232 };
233 
234 /* Context descriptors */
235 struct ixgbe_adv_tx_context_desc {
236 	__le32 vlan_macip_lens;
237 	__le32 seqnum_seed;
238 	__le32 type_tucmd_mlhl;
239 	__le32 mss_l4len_idx;
240 };
241 
242 /* Adv Transmit Descriptor Config Masks */
243 #define IXGBE_ADVTXD_DTYP_MASK	0x00F00000 /* DTYP mask */
244 #define IXGBE_ADVTXD_DTYP_CTXT	0x00200000 /* Advanced Context Desc */
245 #define IXGBE_ADVTXD_DTYP_DATA	0x00300000 /* Advanced Data Descriptor */
246 #define IXGBE_ADVTXD_DCMD_EOP	IXGBE_TXD_CMD_EOP  /* End of Packet */
247 #define IXGBE_ADVTXD_DCMD_IFCS	IXGBE_TXD_CMD_IFCS /* Insert FCS */
248 #define IXGBE_ADVTXD_DCMD_RS	IXGBE_TXD_CMD_RS   /* Report Status */
249 #define IXGBE_ADVTXD_DCMD_DEXT	IXGBE_TXD_CMD_DEXT /* Desc ext (1=Adv) */
250 #define IXGBE_ADVTXD_DCMD_VLE	IXGBE_TXD_CMD_VLE  /* VLAN pkt enable */
251 #define IXGBE_ADVTXD_DCMD_TSE	0x80000000 /* TCP Seg enable */
252 #define IXGBE_ADVTXD_STAT_DD	IXGBE_TXD_STAT_DD  /* Descriptor Done */
253 #define IXGBE_ADVTXD_TUCMD_IPV4	0x00000400  /* IP Packet Type: 1=IPv4 */
254 #define IXGBE_ADVTXD_TUCMD_IPV6	0x00000000  /* IP Packet Type: 0=IPv6 */
255 #define IXGBE_ADVTXD_TUCMD_L4T_UDP	0x00000000  /* L4 Packet TYPE of UDP */
256 #define IXGBE_ADVTXD_TUCMD_L4T_TCP	0x00000800  /* L4 Packet TYPE of TCP */
257 #define IXGBE_ADVTXD_TUCMD_L4T_SCTP	0x00001000  /* L4 Packet TYPE of SCTP */
258 #define IXGBE_ADVTXD_IDX_SHIFT	4 /* Adv desc Index shift */
259 #define IXGBE_ADVTXD_CC		0x00000080 /* Check Context */
260 #define IXGBE_ADVTXD_POPTS_SHIFT	8  /* Adv desc POPTS shift */
261 #define IXGBE_ADVTXD_POPTS_IXSM	(IXGBE_TXD_POPTS_IXSM << \
262 				 IXGBE_ADVTXD_POPTS_SHIFT)
263 #define IXGBE_ADVTXD_POPTS_TXSM	(IXGBE_TXD_POPTS_TXSM << \
264 				 IXGBE_ADVTXD_POPTS_SHIFT)
265 #define IXGBE_ADVTXD_PAYLEN_SHIFT	14 /* Adv desc PAYLEN shift */
266 #define IXGBE_ADVTXD_MACLEN_SHIFT	9  /* Adv ctxt desc mac len shift */
267 #define IXGBE_ADVTXD_VLAN_SHIFT		16 /* Adv ctxt vlan tag shift */
268 #define IXGBE_ADVTXD_L4LEN_SHIFT	8  /* Adv ctxt L4LEN shift */
269 #define IXGBE_ADVTXD_MSS_SHIFT		16 /* Adv ctxt MSS shift */
270 
271 /* Interrupt register bitmasks */
272 
273 #define IXGBE_EITR_CNT_WDIS	0x80000000
274 #define IXGBE_MAX_EITR		0x00000FF8
275 #define IXGBE_MIN_EITR		8
276 
277 /* Error Codes */
278 #define IXGBE_ERR_INVALID_MAC_ADDR	-1
279 #define IXGBE_ERR_RESET_FAILED		-2
280 #define IXGBE_ERR_INVALID_ARGUMENT	-3
281 
282 /* Transmit Config masks */
283 #define IXGBE_TXDCTL_ENABLE		0x02000000 /* Ena specific Tx Queue */
284 #define IXGBE_TXDCTL_SWFLSH		0x04000000 /* Tx Desc. wr-bk flushing */
285 #define IXGBE_TXDCTL_WTHRESH_SHIFT	16	   /* shift to WTHRESH bits */
286 
287 #define IXGBE_DCA_RXCTRL_DESC_DCA_EN	(1 << 5)  /* Rx Desc enable */
288 #define IXGBE_DCA_RXCTRL_HEAD_DCA_EN	(1 << 6)  /* Rx Desc header ena */
289 #define IXGBE_DCA_RXCTRL_DATA_DCA_EN	(1 << 7)  /* Rx Desc payload ena */
290 #define IXGBE_DCA_RXCTRL_DESC_RRO_EN	(1 << 9)  /* Rx rd Desc Relax Order */
291 #define IXGBE_DCA_RXCTRL_DATA_WRO_EN	(1 << 13) /* Rx wr data Relax Order */
292 #define IXGBE_DCA_RXCTRL_HEAD_WRO_EN	(1 << 15) /* Rx wr header RO */
293 
294 #define IXGBE_DCA_TXCTRL_DESC_DCA_EN	(1 << 5)  /* DCA Tx Desc enable */
295 #define IXGBE_DCA_TXCTRL_DESC_RRO_EN	(1 << 9)  /* Tx rd Desc Relax Order */
296 #define IXGBE_DCA_TXCTRL_DESC_WRO_EN	(1 << 11) /* Tx Desc writeback RO bit */
297 #define IXGBE_DCA_TXCTRL_DATA_RRO_EN	(1 << 13) /* Tx rd data Relax Order */
298 
299 #endif /* _IXGBEVF_DEFINES_H_ */
300