1 /*******************************************************************************
2 
3   Intel 82599 Virtual Function driver
4   Copyright(c) 1999 - 2012 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, write to the Free Software Foundation, Inc.,
17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18 
19   The full GNU General Public License is included in this distribution in
20   the file called "COPYING".
21 
22   Contact Information:
23   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 
26 *******************************************************************************/
27 
28 #ifndef _IXGBEVF_DEFINES_H_
29 #define _IXGBEVF_DEFINES_H_
30 
31 /* Device IDs */
32 #define IXGBE_DEV_ID_82599_VF           0x10ED
33 #define IXGBE_DEV_ID_X540_VF            0x1515
34 
35 #define IXGBE_VF_IRQ_CLEAR_MASK         7
36 #define IXGBE_VF_MAX_TX_QUEUES          8
37 #define IXGBE_VF_MAX_RX_QUEUES          8
38 
39 /* DCB define */
40 #define IXGBE_VF_MAX_TRAFFIC_CLASS	8
41 
42 /* Link speed */
43 typedef u32 ixgbe_link_speed;
44 #define IXGBE_LINK_SPEED_1GB_FULL       0x0020
45 #define IXGBE_LINK_SPEED_10GB_FULL      0x0080
46 #define IXGBE_LINK_SPEED_100_FULL	0x0008
47 
48 #define IXGBE_CTRL_RST              0x04000000 /* Reset (SW) */
49 #define IXGBE_RXDCTL_ENABLE         0x02000000 /* Enable specific Rx Queue */
50 #define IXGBE_TXDCTL_ENABLE         0x02000000 /* Enable specific Tx Queue */
51 #define IXGBE_LINKS_UP              0x40000000
52 #define IXGBE_LINKS_SPEED_82599     0x30000000
53 #define IXGBE_LINKS_SPEED_10G_82599 0x30000000
54 #define IXGBE_LINKS_SPEED_1G_82599  0x20000000
55 #define IXGBE_LINKS_SPEED_100_82599 0x10000000
56 
57 /* Number of Transmit and Receive Descriptors must be a multiple of 8 */
58 #define IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE  8
59 #define IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE  8
60 #define IXGBE_REQ_TX_BUFFER_GRANULARITY   1024
61 
62 /* Interrupt Vector Allocation Registers */
63 #define IXGBE_IVAR_ALLOC_VAL    0x80 /* Interrupt Allocation valid */
64 
65 #define IXGBE_VF_INIT_TIMEOUT   200 /* Number of retries to clear RSTI */
66 
67 /* Receive Config masks */
68 #define IXGBE_RXCTRL_RXEN       0x00000001  /* Enable Receiver */
69 #define IXGBE_RXCTRL_DMBYPS     0x00000002  /* Descriptor Monitor Bypass */
70 #define IXGBE_RXDCTL_ENABLE     0x02000000  /* Enable specific Rx Queue */
71 #define IXGBE_RXDCTL_VME        0x40000000  /* VLAN mode enable */
72 #define IXGBE_RXDCTL_RLPMLMASK  0x00003FFF  /* Only supported on the X540 */
73 #define IXGBE_RXDCTL_RLPML_EN   0x00008000
74 
75 /* DCA Control */
76 #define IXGBE_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* Tx Desc writeback RO bit */
77 
78 /* PSRTYPE bit definitions */
79 #define IXGBE_PSRTYPE_TCPHDR    0x00000010
80 #define IXGBE_PSRTYPE_UDPHDR    0x00000020
81 #define IXGBE_PSRTYPE_IPV4HDR   0x00000100
82 #define IXGBE_PSRTYPE_IPV6HDR   0x00000200
83 #define IXGBE_PSRTYPE_L2HDR     0x00001000
84 
85 /* SRRCTL bit definitions */
86 #define IXGBE_SRRCTL_BSIZEPKT_SHIFT     10     /* so many KBs */
87 #define IXGBE_SRRCTL_RDMTS_SHIFT        22
88 #define IXGBE_SRRCTL_RDMTS_MASK         0x01C00000
89 #define IXGBE_SRRCTL_DROP_EN            0x10000000
90 #define IXGBE_SRRCTL_BSIZEPKT_MASK      0x0000007F
91 #define IXGBE_SRRCTL_BSIZEHDR_MASK      0x00003F00
92 #define IXGBE_SRRCTL_DESCTYPE_LEGACY    0x00000000
93 #define IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000
94 #define IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT  0x04000000
95 #define IXGBE_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000
96 #define IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000
97 #define IXGBE_SRRCTL_DESCTYPE_MASK      0x0E000000
98 
99 /* Receive Descriptor bit definitions */
100 #define IXGBE_RXD_STAT_DD         0x01    /* Descriptor Done */
101 #define IXGBE_RXD_STAT_EOP        0x02    /* End of Packet */
102 #define IXGBE_RXD_STAT_FLM        0x04    /* FDir Match */
103 #define IXGBE_RXD_STAT_VP         0x08    /* IEEE VLAN Packet */
104 #define IXGBE_RXDADV_NEXTP_MASK   0x000FFFF0 /* Next Descriptor Index */
105 #define IXGBE_RXDADV_NEXTP_SHIFT  0x00000004
106 #define IXGBE_RXD_STAT_UDPCS      0x10    /* UDP xsum calculated */
107 #define IXGBE_RXD_STAT_L4CS       0x20    /* L4 xsum calculated */
108 #define IXGBE_RXD_STAT_IPCS       0x40    /* IP xsum calculated */
109 #define IXGBE_RXD_STAT_PIF        0x80    /* passed in-exact filter */
110 #define IXGBE_RXD_STAT_CRCV       0x100   /* Speculative CRC Valid */
111 #define IXGBE_RXD_STAT_VEXT       0x200   /* 1st VLAN found */
112 #define IXGBE_RXD_STAT_UDPV       0x400   /* Valid UDP checksum */
113 #define IXGBE_RXD_STAT_DYNINT     0x800   /* Pkt caused INT via DYNINT */
114 #define IXGBE_RXD_STAT_TS         0x10000 /* Time Stamp */
115 #define IXGBE_RXD_STAT_SECP       0x20000 /* Security Processing */
116 #define IXGBE_RXD_STAT_LB         0x40000 /* Loopback Status */
117 #define IXGBE_RXD_STAT_ACK        0x8000  /* ACK Packet indication */
118 #define IXGBE_RXD_ERR_CE          0x01    /* CRC Error */
119 #define IXGBE_RXD_ERR_LE          0x02    /* Length Error */
120 #define IXGBE_RXD_ERR_PE          0x08    /* Packet Error */
121 #define IXGBE_RXD_ERR_OSE         0x10    /* Oversize Error */
122 #define IXGBE_RXD_ERR_USE         0x20    /* Undersize Error */
123 #define IXGBE_RXD_ERR_TCPE        0x40    /* TCP/UDP Checksum Error */
124 #define IXGBE_RXD_ERR_IPE         0x80    /* IP Checksum Error */
125 #define IXGBE_RXDADV_ERR_MASK     0xFFF00000 /* RDESC.ERRORS mask */
126 #define IXGBE_RXDADV_ERR_SHIFT    20         /* RDESC.ERRORS shift */
127 #define IXGBE_RXDADV_ERR_HBO      0x00800000 /*Header Buffer Overflow */
128 #define IXGBE_RXDADV_ERR_CE       0x01000000 /* CRC Error */
129 #define IXGBE_RXDADV_ERR_LE       0x02000000 /* Length Error */
130 #define IXGBE_RXDADV_ERR_PE       0x08000000 /* Packet Error */
131 #define IXGBE_RXDADV_ERR_OSE      0x10000000 /* Oversize Error */
132 #define IXGBE_RXDADV_ERR_USE      0x20000000 /* Undersize Error */
133 #define IXGBE_RXDADV_ERR_TCPE     0x40000000 /* TCP/UDP Checksum Error */
134 #define IXGBE_RXDADV_ERR_IPE      0x80000000 /* IP Checksum Error */
135 #define IXGBE_RXD_VLAN_ID_MASK    0x0FFF  /* VLAN ID is in lower 12 bits */
136 #define IXGBE_RXD_PRI_MASK        0xE000  /* Priority is in upper 3 bits */
137 #define IXGBE_RXD_PRI_SHIFT       13
138 #define IXGBE_RXD_CFI_MASK        0x1000  /* CFI is bit 12 */
139 #define IXGBE_RXD_CFI_SHIFT       12
140 
141 #define IXGBE_RXDADV_STAT_DD            IXGBE_RXD_STAT_DD  /* Done */
142 #define IXGBE_RXDADV_STAT_EOP           IXGBE_RXD_STAT_EOP /* End of Packet */
143 #define IXGBE_RXDADV_STAT_FLM           IXGBE_RXD_STAT_FLM /* FDir Match */
144 #define IXGBE_RXDADV_STAT_VP            IXGBE_RXD_STAT_VP  /* IEEE VLAN Pkt */
145 #define IXGBE_RXDADV_STAT_MASK          0x000FFFFF /* Stat/NEXTP: bit 0-19 */
146 #define IXGBE_RXDADV_STAT_FCEOFS        0x00000040 /* FCoE EOF/SOF Stat */
147 #define IXGBE_RXDADV_STAT_FCSTAT        0x00000030 /* FCoE Pkt Stat */
148 #define IXGBE_RXDADV_STAT_FCSTAT_NOMTCH 0x00000000 /* 00: No Ctxt Match */
149 #define IXGBE_RXDADV_STAT_FCSTAT_NODDP  0x00000010 /* 01: Ctxt w/o DDP */
150 #define IXGBE_RXDADV_STAT_FCSTAT_FCPRSP 0x00000020 /* 10: Recv. FCP_RSP */
151 #define IXGBE_RXDADV_STAT_FCSTAT_DDP    0x00000030 /* 11: Ctxt w/ DDP */
152 
153 #define IXGBE_RXDADV_RSSTYPE_MASK       0x0000000F
154 #define IXGBE_RXDADV_PKTTYPE_MASK       0x0000FFF0
155 #define IXGBE_RXDADV_PKTTYPE_MASK_EX    0x0001FFF0
156 #define IXGBE_RXDADV_HDRBUFLEN_MASK     0x00007FE0
157 #define IXGBE_RXDADV_RSCCNT_MASK        0x001E0000
158 #define IXGBE_RXDADV_RSCCNT_SHIFT       17
159 #define IXGBE_RXDADV_HDRBUFLEN_SHIFT    5
160 #define IXGBE_RXDADV_SPLITHEADER_EN     0x00001000
161 #define IXGBE_RXDADV_SPH                0x8000
162 
163 #define IXGBE_RXD_ERR_FRAME_ERR_MASK ( \
164 				      IXGBE_RXD_ERR_CE |  \
165 				      IXGBE_RXD_ERR_LE |  \
166 				      IXGBE_RXD_ERR_PE |  \
167 				      IXGBE_RXD_ERR_OSE | \
168 				      IXGBE_RXD_ERR_USE)
169 
170 #define IXGBE_RXDADV_ERR_FRAME_ERR_MASK ( \
171 					 IXGBE_RXDADV_ERR_CE |  \
172 					 IXGBE_RXDADV_ERR_LE |  \
173 					 IXGBE_RXDADV_ERR_PE |  \
174 					 IXGBE_RXDADV_ERR_OSE | \
175 					 IXGBE_RXDADV_ERR_USE)
176 
177 #define IXGBE_TXD_POPTS_IXSM 0x01       /* Insert IP checksum */
178 #define IXGBE_TXD_POPTS_TXSM 0x02       /* Insert TCP/UDP checksum */
179 #define IXGBE_TXD_CMD_EOP    0x01000000 /* End of Packet */
180 #define IXGBE_TXD_CMD_IFCS   0x02000000 /* Insert FCS (Ethernet CRC) */
181 #define IXGBE_TXD_CMD_IC     0x04000000 /* Insert Checksum */
182 #define IXGBE_TXD_CMD_RS     0x08000000 /* Report Status */
183 #define IXGBE_TXD_CMD_DEXT   0x20000000 /* Descriptor extension (0 = legacy) */
184 #define IXGBE_TXD_CMD_VLE    0x40000000 /* Add VLAN tag */
185 #define IXGBE_TXD_STAT_DD    0x00000001 /* Descriptor Done */
186 #define IXGBE_TXD_CMD	     (IXGBE_TXD_CMD_EOP | IXGBE_TXD_CMD_RS)
187 
188 /* Transmit Descriptor - Advanced */
189 union ixgbe_adv_tx_desc {
190 	struct {
191 		__le64 buffer_addr;      /* Address of descriptor's data buf */
192 		__le32 cmd_type_len;
193 		__le32 olinfo_status;
194 	} read;
195 	struct {
196 		__le64 rsvd;       /* Reserved */
197 		__le32 nxtseq_seed;
198 		__le32 status;
199 	} wb;
200 };
201 
202 /* Receive Descriptor - Advanced */
203 union ixgbe_adv_rx_desc {
204 	struct {
205 		__le64 pkt_addr; /* Packet buffer address */
206 		__le64 hdr_addr; /* Header buffer address */
207 	} read;
208 	struct {
209 		struct {
210 			union {
211 				__le32 data;
212 				struct {
213 					__le16 pkt_info; /* RSS, Pkt type */
214 					__le16 hdr_info; /* Splithdr, hdrlen */
215 				} hs_rss;
216 			} lo_dword;
217 			union {
218 				__le32 rss; /* RSS Hash */
219 				struct {
220 					__le16 ip_id; /* IP id */
221 					__le16 csum; /* Packet Checksum */
222 				} csum_ip;
223 			} hi_dword;
224 		} lower;
225 		struct {
226 			__le32 status_error; /* ext status/error */
227 			__le16 length; /* Packet length */
228 			__le16 vlan; /* VLAN tag */
229 		} upper;
230 	} wb;  /* writeback */
231 };
232 
233 /* Context descriptors */
234 struct ixgbe_adv_tx_context_desc {
235 	__le32 vlan_macip_lens;
236 	__le32 seqnum_seed;
237 	__le32 type_tucmd_mlhl;
238 	__le32 mss_l4len_idx;
239 };
240 
241 /* Adv Transmit Descriptor Config Masks */
242 #define IXGBE_ADVTXD_DTYP_MASK  0x00F00000 /* DTYP mask */
243 #define IXGBE_ADVTXD_DTYP_CTXT  0x00200000 /* Advanced Context Desc */
244 #define IXGBE_ADVTXD_DTYP_DATA  0x00300000 /* Advanced Data Descriptor */
245 #define IXGBE_ADVTXD_DCMD_EOP   IXGBE_TXD_CMD_EOP  /* End of Packet */
246 #define IXGBE_ADVTXD_DCMD_IFCS  IXGBE_TXD_CMD_IFCS /* Insert FCS */
247 #define IXGBE_ADVTXD_DCMD_RS    IXGBE_TXD_CMD_RS   /* Report Status */
248 #define IXGBE_ADVTXD_DCMD_DEXT  IXGBE_TXD_CMD_DEXT /* Desc ext (1=Adv) */
249 #define IXGBE_ADVTXD_DCMD_VLE   IXGBE_TXD_CMD_VLE  /* VLAN pkt enable */
250 #define IXGBE_ADVTXD_DCMD_TSE   0x80000000 /* TCP Seg enable */
251 #define IXGBE_ADVTXD_STAT_DD    IXGBE_TXD_STAT_DD  /* Descriptor Done */
252 #define IXGBE_ADVTXD_TUCMD_IPV4      0x00000400  /* IP Packet Type: 1=IPv4 */
253 #define IXGBE_ADVTXD_TUCMD_IPV6      0x00000000  /* IP Packet Type: 0=IPv6 */
254 #define IXGBE_ADVTXD_TUCMD_L4T_UDP   0x00000000  /* L4 Packet TYPE of UDP */
255 #define IXGBE_ADVTXD_TUCMD_L4T_TCP   0x00000800  /* L4 Packet TYPE of TCP */
256 #define IXGBE_ADVTXD_TUCMD_L4T_SCTP  0x00001000  /* L4 Packet TYPE of SCTP */
257 #define IXGBE_ADVTXD_IDX_SHIFT  4 /* Adv desc Index shift */
258 #define IXGBE_ADVTXD_CC		0x00000080 /* Check Context */
259 #define IXGBE_ADVTXD_POPTS_SHIFT      8  /* Adv desc POPTS shift */
260 #define IXGBE_ADVTXD_POPTS_IXSM (IXGBE_TXD_POPTS_IXSM << \
261 				 IXGBE_ADVTXD_POPTS_SHIFT)
262 #define IXGBE_ADVTXD_POPTS_TXSM (IXGBE_TXD_POPTS_TXSM << \
263 				 IXGBE_ADVTXD_POPTS_SHIFT)
264 #define IXGBE_ADVTXD_PAYLEN_SHIFT    14 /* Adv desc PAYLEN shift */
265 #define IXGBE_ADVTXD_MACLEN_SHIFT    9  /* Adv ctxt desc mac len shift */
266 #define IXGBE_ADVTXD_VLAN_SHIFT      16  /* Adv ctxt vlan tag shift */
267 #define IXGBE_ADVTXD_L4LEN_SHIFT     8  /* Adv ctxt L4LEN shift */
268 #define IXGBE_ADVTXD_MSS_SHIFT       16  /* Adv ctxt MSS shift */
269 
270 /* Interrupt register bitmasks */
271 
272 #define IXGBE_EITR_CNT_WDIS     0x80000000
273 #define IXGBE_MAX_EITR		0x00000FF8
274 #define IXGBE_MIN_EITR		8
275 
276 /* Error Codes */
277 #define IXGBE_ERR_INVALID_MAC_ADDR              -1
278 #define IXGBE_ERR_RESET_FAILED                  -2
279 #define IXGBE_ERR_INVALID_ARGUMENT              -3
280 
281 /* Transmit Config masks */
282 #define IXGBE_TXDCTL_ENABLE		0x02000000 /* Ena specific Tx Queue */
283 #define IXGBE_TXDCTL_SWFLSH		0x04000000 /* Tx Desc. wr-bk flushing */
284 #define IXGBE_TXDCTL_WTHRESH_SHIFT	16	   /* shift to WTHRESH bits */
285 
286 #define IXGBE_DCA_RXCTRL_DESC_DCA_EN	(1 << 5)  /* Rx Desc enable */
287 #define IXGBE_DCA_RXCTRL_HEAD_DCA_EN	(1 << 6)  /* Rx Desc header ena */
288 #define IXGBE_DCA_RXCTRL_DATA_DCA_EN	(1 << 7)  /* Rx Desc payload ena */
289 #define IXGBE_DCA_RXCTRL_DESC_RRO_EN	(1 << 9)  /* Rx rd Desc Relax Order */
290 #define IXGBE_DCA_RXCTRL_DATA_WRO_EN	(1 << 13) /* Rx wr data Relax Order */
291 #define IXGBE_DCA_RXCTRL_HEAD_WRO_EN	(1 << 15) /* Rx wr header RO */
292 
293 #define IXGBE_DCA_TXCTRL_DESC_DCA_EN	(1 << 5)  /* DCA Tx Desc enable */
294 #define IXGBE_DCA_TXCTRL_DESC_RRO_EN	(1 << 9)  /* Tx rd Desc Relax Order */
295 #define IXGBE_DCA_TXCTRL_DESC_WRO_EN	(1 << 11) /* Tx Desc writeback RO bit */
296 #define IXGBE_DCA_TXCTRL_DATA_RRO_EN	(1 << 13) /* Tx rd data Relax Order */
297 
298 #endif /* _IXGBEVF_DEFINES_H_ */
299