1 /******************************************************************************
2
3 Copyright (c) 2013-2015, Intel Corporation
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
11
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.
15
16 3. Neither the name of the Intel Corporation nor the names of its
17 contributors may be used to endorse or promote products derived from
18 this software without specific prior written permission.
19
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
31
32 ******************************************************************************/
33 /*$FreeBSD$*/
34
35
36 #ifndef _IXLV_H_
37 #define _IXLV_H_
38
39 #include "ixlv_vc_mgr.h"
40
41 #define IXLV_AQ_MAX_ERR 1000
42 #define IXLV_MAX_FILTERS 128
43 #define IXLV_MAX_QUEUES 16
44 #define IXLV_AQ_TIMEOUT (1 * hz)
45 #define IXLV_CALLOUT_TIMO (hz / 50) /* 20 msec */
46
47 #define IXLV_FLAG_AQ_ENABLE_QUEUES (u32)(1)
48 #define IXLV_FLAG_AQ_DISABLE_QUEUES (u32)(1 << 1)
49 #define IXLV_FLAG_AQ_ADD_MAC_FILTER (u32)(1 << 2)
50 #define IXLV_FLAG_AQ_ADD_VLAN_FILTER (u32)(1 << 3)
51 #define IXLV_FLAG_AQ_DEL_MAC_FILTER (u32)(1 << 4)
52 #define IXLV_FLAG_AQ_DEL_VLAN_FILTER (u32)(1 << 5)
53 #define IXLV_FLAG_AQ_CONFIGURE_QUEUES (u32)(1 << 6)
54 #define IXLV_FLAG_AQ_MAP_VECTORS (u32)(1 << 7)
55 #define IXLV_FLAG_AQ_HANDLE_RESET (u32)(1 << 8)
56 #define IXLV_FLAG_AQ_CONFIGURE_PROMISC (u32)(1 << 9)
57 #define IXLV_FLAG_AQ_GET_STATS (u32)(1 << 10)
58
59 /* printf %b arg */
60 #define IXLV_FLAGS \
61 "\20\1ENABLE_QUEUES\2DISABLE_QUEUES\3ADD_MAC_FILTER" \
62 "\4ADD_VLAN_FILTER\5DEL_MAC_FILTER\6DEL_VLAN_FILTER" \
63 "\7CONFIGURE_QUEUES\10MAP_VECTORS\11HANDLE_RESET" \
64 "\12CONFIGURE_PROMISC\13GET_STATS"
65
66 /* Hack for compatibility with 1.0.x linux pf driver */
67 #define I40E_VIRTCHNL_OP_EVENT 17
68
69 /* Driver state */
70 enum ixlv_state_t {
71 IXLV_START,
72 IXLV_FAILED,
73 IXLV_RESET_REQUIRED,
74 IXLV_RESET_PENDING,
75 IXLV_VERSION_CHECK,
76 IXLV_GET_RESOURCES,
77 IXLV_INIT_READY,
78 IXLV_INIT_START,
79 IXLV_INIT_CONFIG,
80 IXLV_INIT_MAPPING,
81 IXLV_INIT_ENABLE,
82 IXLV_INIT_COMPLETE,
83 IXLV_RUNNING,
84 };
85
86 struct ixlv_mac_filter {
87 SLIST_ENTRY(ixlv_mac_filter) next;
88 u8 macaddr[ETHER_ADDR_LEN];
89 u16 flags;
90 };
91 SLIST_HEAD(mac_list, ixlv_mac_filter);
92
93 struct ixlv_vlan_filter {
94 SLIST_ENTRY(ixlv_vlan_filter) next;
95 u16 vlan;
96 u16 flags;
97 };
98 SLIST_HEAD(vlan_list, ixlv_vlan_filter);
99
100 /* Software controller structure */
101 struct ixlv_sc {
102 struct i40e_hw hw;
103 struct i40e_osdep osdep;
104 struct device *dev;
105
106 struct resource *pci_mem;
107
108 enum ixlv_state_t init_state;
109
110 /*
111 * Interrupt resources
112 */
113 void *tag;
114 struct resource *res; /* For the AQ */
115
116 struct ifmedia *media;
117 int msix;
118 int pf_version;
119 int if_flags;
120
121 bool link_up;
122 u32 link_speed;
123
124 u32 qbase;
125 u32 admvec;
126 #ifdef notyet
127 struct task aq_irq;
128 struct task aq_sched;
129 #endif
130 struct ixl_vsi vsi;
131
132 /* Filter lists */
133 struct mac_list *mac_filters;
134 struct vlan_list *vlan_filters;
135
136 /* Promiscuous mode */
137 u32 promiscuous_flags;
138
139 /* Admin queue task flags */
140 u32 aq_wait_count;
141
142 struct ixl_vc_mgr vc_mgr;
143 struct ixl_vc_cmd add_mac_cmd;
144 struct ixl_vc_cmd del_mac_cmd;
145 struct ixl_vc_cmd config_queues_cmd;
146 struct ixl_vc_cmd map_vectors_cmd;
147 struct ixl_vc_cmd enable_queues_cmd;
148 struct ixl_vc_cmd add_vlan_cmd;
149 struct ixl_vc_cmd del_vlan_cmd;
150 struct ixl_vc_cmd add_multi_cmd;
151 struct ixl_vc_cmd del_multi_cmd;
152
153 /* Virtual comm channel */
154 struct i40e_virtchnl_vf_resource *vf_res;
155 struct i40e_virtchnl_vsi_resource *vsi_res;
156
157 /* Misc stats maintained by the driver */
158 u64 watchdog_events;
159 u64 admin_irq;
160
161 u8 aq_buffer[IXL_AQ_BUF_SZ];
162 };
163
164 /*
165 ** This checks for a zero mac addr, something that will be likely
166 ** unless the Admin on the Host has created one.
167 */
168 static inline bool
ixlv_check_ether_addr(u8 * addr)169 ixlv_check_ether_addr(u8 *addr)
170 {
171 bool status = TRUE;
172
173 if ((addr[0] == 0 && addr[1]== 0 && addr[2] == 0 &&
174 addr[3] == 0 && addr[4]== 0 && addr[5] == 0))
175 status = FALSE;
176 return (status);
177 }
178
179 /*
180 ** VF Common function prototypes
181 */
182 int ixlv_send_api_ver(struct ixlv_sc *);
183 int ixlv_verify_api_ver(struct ixlv_sc *);
184 int ixlv_send_vf_config_msg(struct ixlv_sc *);
185 int ixlv_get_vf_config(struct ixlv_sc *);
186 void ixlv_init(void *);
187 int ixlv_reinit_locked(struct ixlv_sc *);
188 void ixlv_configure_queues(struct ixlv_sc *);
189 void ixlv_enable_queues(struct ixlv_sc *);
190 void ixlv_disable_queues(struct ixlv_sc *);
191 void ixlv_map_queues(struct ixlv_sc *);
192 void ixlv_enable_intr(struct ixl_vsi *);
193 void ixlv_disable_intr(struct ixl_vsi *);
194 void ixlv_add_ether_filters(struct ixlv_sc *);
195 void ixlv_del_ether_filters(struct ixlv_sc *);
196 void ixlv_request_stats(struct ixlv_sc *);
197 void ixlv_request_reset(struct ixlv_sc *);
198 void ixlv_vc_completion(struct ixlv_sc *,
199 enum i40e_virtchnl_ops, i40e_status, u8 *, u16);
200 void ixlv_add_ether_filter(struct ixlv_sc *);
201 void ixlv_add_vlans(struct ixlv_sc *);
202 void ixlv_del_vlans(struct ixlv_sc *);
203 void ixlv_update_stats_counters(struct ixlv_sc *,
204 struct i40e_eth_stats *);
205 void ixlv_update_link_status(struct ixlv_sc *);
206
207 #endif /* _IXLV_H_ */
208