1
2
3
4#ifndef _IAVF_H_
5#define _IAVF_H_
6
7#include <linux/module.h>
8#include <linux/pci.h>
9#include <linux/aer.h>
10#include <linux/netdevice.h>
11#include <linux/vmalloc.h>
12#include <linux/interrupt.h>
13#include <linux/ethtool.h>
14#include <linux/if_vlan.h>
15#include <linux/ip.h>
16#include <linux/tcp.h>
17#include <linux/sctp.h>
18#include <linux/ipv6.h>
19#include <linux/kernel.h>
20#include <linux/bitops.h>
21#include <linux/timer.h>
22#include <linux/workqueue.h>
23#include <linux/wait.h>
24#include <linux/delay.h>
25#include <linux/gfp.h>
26#include <linux/skbuff.h>
27#include <linux/dma-mapping.h>
28#include <linux/etherdevice.h>
29#include <linux/socket.h>
30#include <linux/jiffies.h>
31#include <net/ip6_checksum.h>
32#include <net/pkt_cls.h>
33#include <net/udp.h>
34#include <net/tc_act/tc_gact.h>
35#include <net/tc_act/tc_mirred.h>
36
37#include "iavf_type.h"
38#include <linux/avf/virtchnl.h>
39#include "iavf_txrx.h"
40
41#define DEFAULT_DEBUG_LEVEL_SHIFT 3
42#define PFX "iavf: "
43
44
45enum iavf_vsi_state_t {
46 __IAVF_VSI_DOWN,
47
48 __IAVF_VSI_STATE_SIZE__,
49};
50
51
52struct iavf_vsi {
53 struct iavf_adapter *back;
54 struct net_device *netdev;
55 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
56 u16 seid;
57 u16 id;
58 DECLARE_BITMAP(state, __IAVF_VSI_STATE_SIZE__);
59 int base_vector;
60 u16 work_limit;
61 u16 qs_handle;
62 void *priv;
63};
64
65
66#define IAVF_RX_BUFFER_WRITE 16
67#define IAVF_DEFAULT_TXD 512
68#define IAVF_DEFAULT_RXD 512
69#define IAVF_MAX_TXD 4096
70#define IAVF_MIN_TXD 64
71#define IAVF_MAX_RXD 4096
72#define IAVF_MIN_RXD 64
73#define IAVF_REQ_DESCRIPTOR_MULTIPLE 32
74#define IAVF_MAX_AQ_BUF_SIZE 4096
75#define IAVF_AQ_LEN 32
76#define IAVF_AQ_MAX_ERR 20
77
78#define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
79
80#define IAVF_RX_DESC(R, i) (&(((union iavf_32byte_rx_desc *)((R)->desc))[i]))
81#define IAVF_TX_DESC(R, i) (&(((struct iavf_tx_desc *)((R)->desc))[i]))
82#define IAVF_TX_CTXTDESC(R, i) \
83 (&(((struct iavf_tx_context_desc *)((R)->desc))[i]))
84#define IAVF_MAX_REQ_QUEUES 4
85
86#define IAVF_HKEY_ARRAY_SIZE ((IAVF_VFQF_HKEY_MAX_INDEX + 1) * 4)
87#define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4)
88#define IAVF_MBPS_DIVISOR 125000
89
90
91
92
93struct iavf_q_vector {
94 struct iavf_adapter *adapter;
95 struct iavf_vsi *vsi;
96 struct napi_struct napi;
97 struct iavf_ring_container rx;
98 struct iavf_ring_container tx;
99 u32 ring_mask;
100 u8 itr_countdown;
101 u8 num_ringpairs;
102 u16 v_idx;
103 u16 reg_idx;
104 char name[IFNAMSIZ + 15];
105 bool arm_wb_state;
106 cpumask_t affinity_mask;
107 struct irq_affinity_notify affinity_notify;
108};
109
110
111
112
113
114#define EITR_INTS_PER_SEC_TO_REG(_eitr) \
115 ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
116#define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
117
118#define IAVF_DESC_UNUSED(R) \
119 ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
120 (R)->next_to_clean - (R)->next_to_use - 1)
121
122#define OTHER_VECTOR 1
123#define NONQ_VECS (OTHER_VECTOR)
124
125#define MIN_MSIX_Q_VECTORS 1
126#define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NONQ_VECS)
127
128#define IAVF_QUEUE_END_OF_LIST 0x7FF
129#define IAVF_FREE_VECTOR 0x7FFF
130struct iavf_mac_filter {
131 struct list_head list;
132 u8 macaddr[ETH_ALEN];
133 bool remove;
134 bool add;
135};
136
137struct iavf_vlan_filter {
138 struct list_head list;
139 u16 vlan;
140 bool remove;
141 bool add;
142};
143
144#define IAVF_MAX_TRAFFIC_CLASS 4
145
146enum iavf_tc_state_t {
147 __IAVF_TC_INVALID,
148 __IAVF_TC_RUNNING,
149};
150
151
152struct iavf_channel_config {
153 struct virtchnl_channel_info ch_info[IAVF_MAX_TRAFFIC_CLASS];
154 enum iavf_tc_state_t state;
155 u8 total_qps;
156};
157
158
159enum iavf_cloud_filter_state_t {
160 __IAVF_CF_INVALID,
161 __IAVF_CF_ADD_PENDING,
162 __IAVF_CF_DEL_PENDING,
163 __IAVF_CF_ACTIVE,
164};
165
166
167enum iavf_state_t {
168 __IAVF_STARTUP,
169 __IAVF_REMOVE,
170 __IAVF_INIT_VERSION_CHECK,
171 __IAVF_INIT_GET_RESOURCES,
172 __IAVF_INIT_SW,
173 __IAVF_RESETTING,
174
175 __IAVF_DOWN,
176 __IAVF_DOWN_PENDING,
177 __IAVF_TESTING,
178 __IAVF_RUNNING,
179};
180
181enum iavf_critical_section_t {
182 __IAVF_IN_CRITICAL_TASK,
183 __IAVF_IN_CLIENT_TASK,
184 __IAVF_IN_REMOVE_TASK,
185};
186
187#define IAVF_CLOUD_FIELD_OMAC 0x01
188#define IAVF_CLOUD_FIELD_IMAC 0x02
189#define IAVF_CLOUD_FIELD_IVLAN 0x04
190#define IAVF_CLOUD_FIELD_TEN_ID 0x08
191#define IAVF_CLOUD_FIELD_IIP 0x10
192
193#define IAVF_CF_FLAGS_OMAC IAVF_CLOUD_FIELD_OMAC
194#define IAVF_CF_FLAGS_IMAC IAVF_CLOUD_FIELD_IMAC
195#define IAVF_CF_FLAGS_IMAC_IVLAN (IAVF_CLOUD_FIELD_IMAC |\
196 IAVF_CLOUD_FIELD_IVLAN)
197#define IAVF_CF_FLAGS_IMAC_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
198 IAVF_CLOUD_FIELD_TEN_ID)
199#define IAVF_CF_FLAGS_OMAC_TEN_ID_IMAC (IAVF_CLOUD_FIELD_OMAC |\
200 IAVF_CLOUD_FIELD_IMAC |\
201 IAVF_CLOUD_FIELD_TEN_ID)
202#define IAVF_CF_FLAGS_IMAC_IVLAN_TEN_ID (IAVF_CLOUD_FIELD_IMAC |\
203 IAVF_CLOUD_FIELD_IVLAN |\
204 IAVF_CLOUD_FIELD_TEN_ID)
205#define IAVF_CF_FLAGS_IIP IAVF_CLOUD_FIELD_IIP
206
207
208struct iavf_cloud_filter {
209 enum iavf_cloud_filter_state_t state;
210 struct list_head list;
211 struct virtchnl_filter f;
212 unsigned long cookie;
213 bool del;
214 bool add;
215};
216
217
218struct iavf_adapter {
219 struct timer_list watchdog_timer;
220 struct work_struct reset_task;
221 struct work_struct adminq_task;
222 struct delayed_work client_task;
223 struct delayed_work init_task;
224 wait_queue_head_t down_waitqueue;
225 struct iavf_q_vector *q_vectors;
226 struct list_head vlan_filter_list;
227 struct list_head mac_filter_list;
228
229 spinlock_t mac_vlan_list_lock;
230 char misc_vector_name[IFNAMSIZ + 9];
231 int num_active_queues;
232 int num_req_queues;
233
234
235 struct iavf_ring *tx_rings;
236 u32 tx_timeout_count;
237 u32 tx_desc_count;
238
239
240 struct iavf_ring *rx_rings;
241 u64 hw_csum_rx_error;
242 u32 rx_desc_count;
243 int num_msix_vectors;
244 int num_iwarp_msix;
245 int iwarp_base_vector;
246 u32 client_pending;
247 struct i40e_client_instance *cinst;
248 struct msix_entry *msix_entries;
249
250 u32 flags;
251#define IAVF_FLAG_RX_CSUM_ENABLED BIT(0)
252#define IAVF_FLAG_PF_COMMS_FAILED BIT(3)
253#define IAVF_FLAG_RESET_PENDING BIT(4)
254#define IAVF_FLAG_RESET_NEEDED BIT(5)
255#define IAVF_FLAG_WB_ON_ITR_CAPABLE BIT(6)
256#define IAVF_FLAG_ADDR_SET_BY_PF BIT(8)
257#define IAVF_FLAG_SERVICE_CLIENT_REQUESTED BIT(9)
258#define IAVF_FLAG_CLIENT_NEEDS_OPEN BIT(10)
259#define IAVF_FLAG_CLIENT_NEEDS_CLOSE BIT(11)
260#define IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS BIT(12)
261#define IAVF_FLAG_PROMISC_ON BIT(13)
262#define IAVF_FLAG_ALLMULTI_ON BIT(14)
263#define IAVF_FLAG_LEGACY_RX BIT(15)
264#define IAVF_FLAG_REINIT_ITR_NEEDED BIT(16)
265#define IAVF_FLAG_QUEUES_DISABLED BIT(17)
266
267#define IAVF_FLAG_DCB_ENABLED 0
268
269 u32 aq_required;
270#define IAVF_FLAG_AQ_ENABLE_QUEUES BIT(0)
271#define IAVF_FLAG_AQ_DISABLE_QUEUES BIT(1)
272#define IAVF_FLAG_AQ_ADD_MAC_FILTER BIT(2)
273#define IAVF_FLAG_AQ_ADD_VLAN_FILTER BIT(3)
274#define IAVF_FLAG_AQ_DEL_MAC_FILTER BIT(4)
275#define IAVF_FLAG_AQ_DEL_VLAN_FILTER BIT(5)
276#define IAVF_FLAG_AQ_CONFIGURE_QUEUES BIT(6)
277#define IAVF_FLAG_AQ_MAP_VECTORS BIT(7)
278#define IAVF_FLAG_AQ_HANDLE_RESET BIT(8)
279#define IAVF_FLAG_AQ_CONFIGURE_RSS BIT(9)
280#define IAVF_FLAG_AQ_GET_CONFIG BIT(10)
281
282#define IAVF_FLAG_AQ_GET_HENA BIT(11)
283#define IAVF_FLAG_AQ_SET_HENA BIT(12)
284#define IAVF_FLAG_AQ_SET_RSS_KEY BIT(13)
285#define IAVF_FLAG_AQ_SET_RSS_LUT BIT(14)
286#define IAVF_FLAG_AQ_REQUEST_PROMISC BIT(15)
287#define IAVF_FLAG_AQ_RELEASE_PROMISC BIT(16)
288#define IAVF_FLAG_AQ_REQUEST_ALLMULTI BIT(17)
289#define IAVF_FLAG_AQ_RELEASE_ALLMULTI BIT(18)
290#define IAVF_FLAG_AQ_ENABLE_VLAN_STRIPPING BIT(19)
291#define IAVF_FLAG_AQ_DISABLE_VLAN_STRIPPING BIT(20)
292#define IAVF_FLAG_AQ_ENABLE_CHANNELS BIT(21)
293#define IAVF_FLAG_AQ_DISABLE_CHANNELS BIT(22)
294#define IAVF_FLAG_AQ_ADD_CLOUD_FILTER BIT(23)
295#define IAVF_FLAG_AQ_DEL_CLOUD_FILTER BIT(24)
296
297
298 struct net_device *netdev;
299 struct pci_dev *pdev;
300
301 struct iavf_hw hw;
302
303 enum iavf_state_t state;
304 unsigned long crit_section;
305
306 struct work_struct watchdog_task;
307 bool netdev_registered;
308 bool link_up;
309 enum virtchnl_link_speed link_speed;
310 enum virtchnl_ops current_op;
311#define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \
312 (_a)->vf_res->vf_cap_flags & \
313 VIRTCHNL_VF_OFFLOAD_IWARP : \
314 0)
315#define CLIENT_ENABLED(_a) ((_a)->cinst)
316
317#define RSS_PF(_a) ((_a)->vf_res->vf_cap_flags & \
318 VIRTCHNL_VF_OFFLOAD_RSS_PF)
319#define RSS_AQ(_a) ((_a)->vf_res->vf_cap_flags & \
320 VIRTCHNL_VF_OFFLOAD_RSS_AQ)
321#define RSS_REG(_a) (!((_a)->vf_res->vf_cap_flags & \
322 (VIRTCHNL_VF_OFFLOAD_RSS_AQ | \
323 VIRTCHNL_VF_OFFLOAD_RSS_PF)))
324#define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \
325 VIRTCHNL_VF_OFFLOAD_VLAN)
326 struct virtchnl_vf_resource *vf_res;
327 struct virtchnl_vsi_resource *vsi_res;
328 struct virtchnl_version_info pf_version;
329#define PF_IS_V11(_a) (((_a)->pf_version.major == 1) && \
330 ((_a)->pf_version.minor == 1))
331 u16 msg_enable;
332 struct iavf_eth_stats current_stats;
333 struct iavf_vsi vsi;
334 u32 aq_wait_count;
335
336 u64 hena;
337 u16 rss_key_size;
338 u16 rss_lut_size;
339 u8 *rss_key;
340 u8 *rss_lut;
341
342 struct iavf_channel_config ch_config;
343 u8 num_tc;
344 struct list_head cloud_filter_list;
345
346 spinlock_t cloud_filter_list_lock;
347 u16 num_cloud_filters;
348};
349
350
351
352
353
354struct i40e_device {
355 struct list_head list;
356 struct iavf_adapter *vf;
357};
358
359
360extern char iavf_driver_name[];
361extern const char iavf_driver_version[];
362
363int iavf_up(struct iavf_adapter *adapter);
364void iavf_down(struct iavf_adapter *adapter);
365int iavf_process_config(struct iavf_adapter *adapter);
366void iavf_schedule_reset(struct iavf_adapter *adapter);
367void iavf_reset(struct iavf_adapter *adapter);
368void iavf_set_ethtool_ops(struct net_device *netdev);
369void iavf_update_stats(struct iavf_adapter *adapter);
370void iavf_reset_interrupt_capability(struct iavf_adapter *adapter);
371int iavf_init_interrupt_scheme(struct iavf_adapter *adapter);
372void iavf_irq_enable_queues(struct iavf_adapter *adapter, u32 mask);
373void iavf_free_all_tx_resources(struct iavf_adapter *adapter);
374void iavf_free_all_rx_resources(struct iavf_adapter *adapter);
375
376void iavf_napi_add_all(struct iavf_adapter *adapter);
377void iavf_napi_del_all(struct iavf_adapter *adapter);
378
379int iavf_send_api_ver(struct iavf_adapter *adapter);
380int iavf_verify_api_ver(struct iavf_adapter *adapter);
381int iavf_send_vf_config_msg(struct iavf_adapter *adapter);
382int iavf_get_vf_config(struct iavf_adapter *adapter);
383void iavf_irq_enable(struct iavf_adapter *adapter, bool flush);
384void iavf_configure_queues(struct iavf_adapter *adapter);
385void iavf_deconfigure_queues(struct iavf_adapter *adapter);
386void iavf_enable_queues(struct iavf_adapter *adapter);
387void iavf_disable_queues(struct iavf_adapter *adapter);
388void iavf_map_queues(struct iavf_adapter *adapter);
389int iavf_request_queues(struct iavf_adapter *adapter, int num);
390void iavf_add_ether_addrs(struct iavf_adapter *adapter);
391void iavf_del_ether_addrs(struct iavf_adapter *adapter);
392void iavf_add_vlans(struct iavf_adapter *adapter);
393void iavf_del_vlans(struct iavf_adapter *adapter);
394void iavf_set_promiscuous(struct iavf_adapter *adapter, int flags);
395void iavf_request_stats(struct iavf_adapter *adapter);
396void iavf_request_reset(struct iavf_adapter *adapter);
397void iavf_get_hena(struct iavf_adapter *adapter);
398void iavf_set_hena(struct iavf_adapter *adapter);
399void iavf_set_rss_key(struct iavf_adapter *adapter);
400void iavf_set_rss_lut(struct iavf_adapter *adapter);
401void iavf_enable_vlan_stripping(struct iavf_adapter *adapter);
402void iavf_disable_vlan_stripping(struct iavf_adapter *adapter);
403void iavf_virtchnl_completion(struct iavf_adapter *adapter,
404 enum virtchnl_ops v_opcode,
405 iavf_status v_retval, u8 *msg, u16 msglen);
406int iavf_config_rss(struct iavf_adapter *adapter);
407int iavf_lan_add_device(struct iavf_adapter *adapter);
408int iavf_lan_del_device(struct iavf_adapter *adapter);
409void iavf_client_subtask(struct iavf_adapter *adapter);
410void iavf_notify_client_message(struct iavf_vsi *vsi, u8 *msg, u16 len);
411void iavf_notify_client_l2_params(struct iavf_vsi *vsi);
412void iavf_notify_client_open(struct iavf_vsi *vsi);
413void iavf_notify_client_close(struct iavf_vsi *vsi, bool reset);
414void iavf_enable_channels(struct iavf_adapter *adapter);
415void iavf_disable_channels(struct iavf_adapter *adapter);
416void iavf_add_cloud_filter(struct iavf_adapter *adapter);
417void iavf_del_cloud_filter(struct iavf_adapter *adapter);
418#endif
419