1 /*******************************************************************************
3 Intel(R) 82576 Virtual Function Linux driver
4 Copyright(c) 2009 - 2012 Intel Corporation.
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.
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
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/>.
18 The full GNU General Public License is included in this distribution in
19 the file called "COPYING".
22 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *******************************************************************************/
30 #include <linux/pci.h>
31 #include <linux/delay.h>
32 #include <linux/interrupt.h>
33 #include <linux/if_ether.h>
40 #define E1000_DEV_ID_82576_VF 0x10CA
41 #define E1000_DEV_ID_I350_VF 0x1520
42 #define E1000_REVISION_0 0
43 #define E1000_REVISION_1 1
44 #define E1000_REVISION_2 2
45 #define E1000_REVISION_3 3
46 #define E1000_REVISION_4 4
48 #define E1000_FUNC_0 0
49 #define E1000_FUNC_1 1
51 /* Receive Address Register Count
52 * Number of high/low register pairs in the RAR. The RAR (Receive Address
53 * Registers) holds the directed and multicast addresses that we monitor.
54 * These entries are also used for MAC-based filtering.
56 #define E1000_RAR_ENTRIES_VF 1
58 /* Receive Descriptor - Advanced */
59 union e1000_adv_rx_desc {
61 u64 pkt_addr; /* Packet buffer address */
62 u64 hdr_addr; /* Header buffer address */
69 u16 pkt_info; /* RSS/Packet type */
70 /* Split Header, hdr buffer length */
75 u32 rss; /* RSS Hash */
77 u16 ip_id; /* IP id */
78 u16 csum; /* Packet Checksum */
83 u32 status_error; /* ext status/error */
84 u16 length; /* Packet length */
85 u16 vlan; /* VLAN tag */
90 #define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0
91 #define E1000_RXDADV_HDRBUFLEN_SHIFT 5
93 /* Transmit Descriptor - Advanced */
94 union e1000_adv_tx_desc {
96 u64 buffer_addr; /* Address of descriptor's data buf */
101 u64 rsvd; /* Reserved */
107 /* Adv Transmit Descriptor Config Masks */
108 #define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */
109 #define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */
110 #define E1000_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */
111 #define E1000_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
112 #define E1000_ADVTXD_DCMD_RS 0x08000000 /* Report Status */
113 #define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */
114 #define E1000_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */
115 #define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */
116 #define E1000_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */
118 /* Context descriptors */
119 struct e1000_adv_tx_context_desc {
126 #define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */
127 #define E1000_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */
128 #define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */
129 #define E1000_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 packet TYPE of SCTP */
130 #define E1000_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */
131 #define E1000_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */
133 enum e1000_mac_type {
137 e1000_num_macs /* List is 1-based, so subtract 1 for true count. */
140 struct e1000_vf_stats {
174 struct e1000_mac_operations {
175 /* Function pointers for the MAC. */
176 s32 (*init_params)(struct e1000_hw *);
177 s32 (*check_for_link)(struct e1000_hw *);
178 void (*clear_vfta)(struct e1000_hw *);
179 s32 (*get_bus_info)(struct e1000_hw *);
180 s32 (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
181 void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32, u32, u32);
182 s32 (*reset_hw)(struct e1000_hw *);
183 s32 (*init_hw)(struct e1000_hw *);
184 s32 (*setup_link)(struct e1000_hw *);
185 void (*write_vfta)(struct e1000_hw *, u32, u32);
186 void (*mta_set)(struct e1000_hw *, u32);
187 void (*rar_set)(struct e1000_hw *, u8*, u32);
188 s32 (*read_mac_addr)(struct e1000_hw *);
189 s32 (*set_vfta)(struct e1000_hw *, u16, bool);
192 struct e1000_mac_info {
193 struct e1000_mac_operations ops;
197 enum e1000_mac_type type;
202 bool get_link_status;
205 struct e1000_mbx_operations {
206 s32 (*init_params)(struct e1000_hw *hw);
207 s32 (*read)(struct e1000_hw *, u32 *, u16);
208 s32 (*write)(struct e1000_hw *, u32 *, u16);
209 s32 (*read_posted)(struct e1000_hw *, u32 *, u16);
210 s32 (*write_posted)(struct e1000_hw *, u32 *, u16);
211 s32 (*check_for_msg)(struct e1000_hw *);
212 s32 (*check_for_ack)(struct e1000_hw *);
213 s32 (*check_for_rst)(struct e1000_hw *);
216 struct e1000_mbx_stats {
225 struct e1000_mbx_info {
226 struct e1000_mbx_operations ops;
227 struct e1000_mbx_stats stats;
233 struct e1000_dev_spec_vf {
242 u8 __iomem *flash_address;
243 unsigned long io_base;
245 struct e1000_mac_info mac;
246 struct e1000_mbx_info mbx;
249 struct e1000_dev_spec_vf vf;
253 u16 subsystem_vendor_id;
254 u16 subsystem_device_id;
260 /* These functions must be implemented by drivers */
261 void e1000_rlpml_set_vf(struct e1000_hw *, u16);
262 void e1000_init_function_pointers_vf(struct e1000_hw *hw);
264 #endif /* _E1000_VF_H_ */