xref: /freebsd/sys/dev/ixl/ixl_pf.h (revision 8a6eceff3ce76a4bb9078f3fa710f51ab6671ca3)
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3   Copyright (c) 2013-2015, Intel Corporation
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32 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 
36 #ifndef _IXL_PF_H_
37 #define _IXL_PF_H_
38 
39 #include "ixl.h"
40 #include "ixl_pf_qmgr.h"
41 
42 #define	VF_FLAG_ENABLED			0x01
43 #define	VF_FLAG_SET_MAC_CAP		0x02
44 #define	VF_FLAG_VLAN_CAP		0x04
45 #define	VF_FLAG_PROMISC_CAP		0x08
46 #define	VF_FLAG_MAC_ANTI_SPOOF		0x10
47 
48 #define IXL_PF_STATE_EMPR_RESETTING	(1 << 0)
49 
50 struct ixl_vf {
51 	struct ixl_vsi		vsi;
52 	uint32_t		vf_flags;
53 
54 	uint8_t			mac[ETHER_ADDR_LEN];
55 	uint16_t		vf_num;
56 	uint32_t		version;
57 
58 	struct ixl_pf_qtag	qtag;
59 	struct sysctl_ctx_list	ctx;
60 };
61 
62 /* Physical controller structure */
63 struct ixl_pf {
64 	struct i40e_hw		hw;
65 	struct i40e_osdep	osdep;
66 	device_t		dev;
67 	struct ixl_vsi		vsi;
68 
69 	struct resource		*pci_mem;
70 	struct resource		*msix_mem;
71 
72 	/*
73 	 * Interrupt resources: this set is
74 	 * either used for legacy, or for Link
75 	 * when doing MSIX
76 	 */
77 	void			*tag;
78 	struct resource 	*res;
79 
80 	struct callout		timer;
81 	int			msix;
82 #ifdef IXL_IW
83 	int			iw_msix;
84 	bool			iw_enabled;
85 #endif
86 	int			if_flags;
87 	int			state;
88 	bool			init_in_progress;
89 	u8			supported_speeds;
90 
91 	struct ixl_pf_qmgr	qmgr;
92 	struct ixl_pf_qtag	qtag;
93 
94 	/* Tunable values */
95 	bool			enable_msix;
96 	int			max_queues;
97 	int			ringsz;
98 	bool			enable_tx_fc_filter;
99 	int			dynamic_rx_itr;
100 	int			dynamic_tx_itr;
101 	int			tx_itr;
102 	int			rx_itr;
103 
104 	struct mtx		pf_mtx;
105 
106 	u32			qbase;
107 	u32 			admvec;
108 	struct task     	adminq;
109 	struct taskqueue	*tq;
110 
111 	bool			link_up;
112 	u32			link_speed;
113 	int			advertised_speed;
114 	int			fc; /* link flow ctrl setting */
115 	enum ixl_dbg_mask	dbg_mask;
116 	bool			has_i2c;
117 
118 	/* Misc stats maintained by the driver */
119 	u64			watchdog_events;
120 	u64			admin_irq;
121 
122 	/* Statistics from hw */
123 	struct i40e_hw_port_stats 	stats;
124 	struct i40e_hw_port_stats	stats_offsets;
125 	bool 				stat_offsets_loaded;
126 
127 	/* SR-IOV */
128 	struct ixl_vf		*vfs;
129 	int			num_vfs;
130 	uint16_t		veb_seid;
131 	struct task		vflr_task;
132 	int			vc_debug_lvl;
133 };
134 
135 /*
136  * Defines used for NVM update ioctls.
137  * This value is used in the Solaris tool, too.
138  */
139 #define I40E_NVM_ACCESS \
140      (((((((('E' << 4) + '1') << 4) + 'K') << 4) + 'G') << 4) | 5)
141 
142 #define IXL_DEFAULT_PHY_INT_MASK \
143      ((~(I40E_AQ_EVENT_LINK_UPDOWN | I40E_AQ_EVENT_MODULE_QUAL_FAIL \
144       | I40E_AQ_EVENT_MEDIA_NA)) & 0x3FF)
145 
146 /*** Sysctl help messages; displayed with "sysctl -d" ***/
147 
148 #define IXL_SYSCTL_HELP_SET_ADVERTISE	\
149 "\nControl advertised link speed.\n"	\
150 "Flags:\n"				\
151 "\t 0x1 - advertise 100M\n"		\
152 "\t 0x2 - advertise 1G\n"		\
153 "\t 0x4 - advertise 10G\n"		\
154 "\t 0x8 - advertise 20G\n"		\
155 "\t0x10 - advertise 25G\n"		\
156 "\t0x20 - advertise 40G\n\n"		\
157 "Set to 0 to disable link.\n"		\
158 "Use \"sysctl -x\" to view flags properly."
159 
160 #define IXL_SYSCTL_HELP_FC				\
161 "\nSet flow control mode using the values below.\n" 	\
162 "\t0 - off\n" 						\
163 "\t1 - rx pause\n" 					\
164 "\t2 - tx pause\n"					\
165 "\t3 - tx and rx pause"
166 
167 #define IXL_SYSCTL_HELP_LINK_STATUS					\
168 "\nExecutes a \"Get Link Status\" command on the Admin Queue, and displays" \
169 " the response."			\
170 
171 static char *ixl_fc_string[6] = {
172 	"None",
173 	"Rx",
174 	"Tx",
175 	"Full",
176 	"Priority",
177 	"Default"
178 };
179 
180 static MALLOC_DEFINE(M_IXL, "ixl", "ixl driver allocations");
181 
182 /*** Functions / Macros ***/
183 /* Adjust the level here to 10 or over to print stats messages */
184 #define	I40E_VC_DEBUG(p, level, ...)				\
185 	do {							\
186 		if (level < 10)					\
187 			ixl_dbg(p, IXL_DBG_IOV_VC, ##__VA_ARGS__); \
188 	} while (0)
189 
190 #define	i40e_send_vf_nack(pf, vf, op, st) \
191 	ixl_send_vf_nack_msg((pf), (vf), (op), (st), __FILE__, __LINE__)
192 
193 #define IXL_PF_LOCK_INIT(_sc, _name) \
194         mtx_init(&(_sc)->pf_mtx, _name, "IXL PF Lock", MTX_DEF)
195 #define IXL_PF_LOCK(_sc)              mtx_lock(&(_sc)->pf_mtx)
196 #define IXL_PF_UNLOCK(_sc)            mtx_unlock(&(_sc)->pf_mtx)
197 #define IXL_PF_LOCK_DESTROY(_sc)      mtx_destroy(&(_sc)->pf_mtx)
198 #define IXL_PF_LOCK_ASSERT(_sc)       mtx_assert(&(_sc)->pf_mtx, MA_OWNED)
199 
200 /* Debug printing */
201 #define ixl_dbg(p, m, s, ...)	ixl_debug_core(p, m, s, ##__VA_ARGS__)
202 void	ixl_debug_core(struct ixl_pf *, enum ixl_dbg_mask, char *, ...);
203 
204 /* For stats sysctl naming */
205 #define QUEUE_NAME_LEN 32
206 
207 /* For netmap(4) compatibility */
208 #define ixl_disable_intr(vsi)	ixl_disable_rings_intr(vsi)
209 
210 /*
211  * PF-only function declarations
212  */
213 
214 void	ixl_set_busmaster(device_t);
215 void	ixl_set_msix_enable(device_t);
216 int	ixl_setup_interface(device_t, struct ixl_vsi *);
217 void	ixl_print_nvm_cmd(device_t, struct i40e_nvm_access *);
218 char *	ixl_aq_speed_to_str(enum i40e_aq_link_speed);
219 
220 void	ixl_handle_que(void *context, int pending);
221 
222 void	ixl_init(void *);
223 void	ixl_local_timer(void *);
224 void	ixl_register_vlan(void *, struct ifnet *, u16);
225 void	ixl_unregister_vlan(void *, struct ifnet *, u16);
226 void	ixl_intr(void *);
227 void	ixl_msix_que(void *);
228 void	ixl_msix_adminq(void *);
229 void	ixl_do_adminq(void *, int);
230 
231 int	ixl_res_alloc_cmp(const void *, const void *);
232 char *	ixl_switch_res_type_string(u8);
233 char *	ixl_switch_element_string(struct sbuf *,
234 	    struct i40e_aqc_switch_config_element_resp *);
235 void	ixl_add_sysctls_mac_stats(struct sysctl_ctx_list *,
236 		    struct sysctl_oid_list *, struct i40e_hw_port_stats *);
237 void	ixl_add_sysctls_eth_stats(struct sysctl_ctx_list *,
238 		    struct sysctl_oid_list *,
239 		    struct i40e_eth_stats *);
240 
241 void    ixl_media_status(struct ifnet *, struct ifmediareq *);
242 int     ixl_media_change(struct ifnet *);
243 int     ixl_ioctl(struct ifnet *, u_long, caddr_t);
244 
245 void	ixl_enable_queue(struct i40e_hw *, int);
246 void	ixl_disable_queue(struct i40e_hw *, int);
247 void	ixl_enable_intr0(struct i40e_hw *);
248 void	ixl_disable_intr0(struct i40e_hw *);
249 void	ixl_nvm_version_str(struct i40e_hw *hw, struct sbuf *buf);
250 void	ixl_stat_update48(struct i40e_hw *, u32, u32, bool,
251 		    u64 *, u64 *);
252 void	ixl_stat_update32(struct i40e_hw *, u32, bool,
253 		    u64 *, u64 *);
254 
255 void	ixl_stop(struct ixl_pf *);
256 void	ixl_add_vsi_sysctls(struct ixl_pf *pf, struct ixl_vsi *vsi, struct sysctl_ctx_list *ctx, const char *sysctl_name);
257 int	ixl_get_hw_capabilities(struct ixl_pf *);
258 void	ixl_link_up_msg(struct ixl_pf *);
259 void    ixl_update_link_status(struct ixl_pf *);
260 int     ixl_allocate_pci_resources(struct ixl_pf *);
261 int	ixl_setup_stations(struct ixl_pf *);
262 int	ixl_switch_config(struct ixl_pf *);
263 void	ixl_stop_locked(struct ixl_pf *);
264 int	ixl_teardown_hw_structs(struct ixl_pf *);
265 int	ixl_reset(struct ixl_pf *);
266 void	ixl_init_locked(struct ixl_pf *);
267 void	ixl_set_rss_key(struct ixl_pf *);
268 void	ixl_set_rss_pctypes(struct ixl_pf *);
269 void	ixl_set_rss_hlut(struct ixl_pf *);
270 int	ixl_setup_adminq_msix(struct ixl_pf *);
271 int	ixl_setup_adminq_tq(struct ixl_pf *);
272 int	ixl_teardown_adminq_msix(struct ixl_pf *);
273 void	ixl_configure_intr0_msix(struct ixl_pf *);
274 void	ixl_configure_queue_intr_msix(struct ixl_pf *);
275 void	ixl_free_adminq_tq(struct ixl_pf *);
276 int	ixl_setup_legacy(struct ixl_pf *);
277 int	ixl_init_msix(struct ixl_pf *);
278 void	ixl_configure_itr(struct ixl_pf *);
279 void	ixl_configure_legacy(struct ixl_pf *);
280 void	ixl_free_pci_resources(struct ixl_pf *);
281 void	ixl_link_event(struct ixl_pf *, struct i40e_arq_event_info *);
282 void	ixl_config_rss(struct ixl_pf *);
283 int	ixl_set_advertised_speeds(struct ixl_pf *, int);
284 void	ixl_get_initial_advertised_speeds(struct ixl_pf *);
285 void	ixl_print_nvm_version(struct ixl_pf *pf);
286 void	ixl_add_device_sysctls(struct ixl_pf *);
287 void	ixl_handle_mdd_event(struct ixl_pf *);
288 void	ixl_add_hw_stats(struct ixl_pf *);
289 void	ixl_update_stats_counters(struct ixl_pf *);
290 void	ixl_pf_reset_stats(struct ixl_pf *);
291 void	ixl_get_bus_info(struct ixl_pf *pf);
292 int	ixl_aq_get_link_status(struct ixl_pf *,
293     struct i40e_aqc_get_link_status *);
294 
295 int	ixl_handle_nvmupd_cmd(struct ixl_pf *, struct ifdrv *);
296 void	ixl_handle_empr_reset(struct ixl_pf *);
297 int	ixl_rebuild_hw_structs_after_reset(struct ixl_pf *);
298 
299 void	ixl_set_queue_rx_itr(struct ixl_queue *);
300 void	ixl_set_queue_tx_itr(struct ixl_queue *);
301 
302 void	ixl_add_filter(struct ixl_vsi *, u8 *, s16 vlan);
303 void	ixl_del_filter(struct ixl_vsi *, u8 *, s16 vlan);
304 void	ixl_reconfigure_filters(struct ixl_vsi *vsi);
305 
306 int	ixl_disable_rings(struct ixl_vsi *);
307 int	ixl_disable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
308 int	ixl_disable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
309 int	ixl_disable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
310 
311 int	ixl_enable_rings(struct ixl_vsi *);
312 int	ixl_enable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
313 int	ixl_enable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
314 int	ixl_enable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
315 
316 void	ixl_update_eth_stats(struct ixl_vsi *);
317 void	ixl_cap_txcsum_tso(struct ixl_vsi *, struct ifnet *, int);
318 int	ixl_initialize_vsi(struct ixl_vsi *);
319 void	ixl_add_ifmedia(struct ixl_vsi *, u64);
320 int	ixl_setup_queue_msix(struct ixl_vsi *);
321 int	ixl_setup_queue_tqs(struct ixl_vsi *);
322 int	ixl_teardown_queue_msix(struct ixl_vsi *);
323 void	ixl_free_queue_tqs(struct ixl_vsi *);
324 void	ixl_enable_intr(struct ixl_vsi *);
325 void	ixl_disable_rings_intr(struct ixl_vsi *);
326 void	ixl_set_promisc(struct ixl_vsi *);
327 void	ixl_add_multi(struct ixl_vsi *);
328 void	ixl_del_multi(struct ixl_vsi *);
329 void	ixl_setup_vlan_filters(struct ixl_vsi *);
330 void	ixl_init_filters(struct ixl_vsi *);
331 void	ixl_add_hw_filters(struct ixl_vsi *, int, int);
332 void	ixl_del_hw_filters(struct ixl_vsi *, int);
333 struct ixl_mac_filter *
334 		ixl_find_filter(struct ixl_vsi *, u8 *, s16);
335 void	ixl_add_mc_filter(struct ixl_vsi *, u8 *);
336 void	ixl_free_mac_filters(struct ixl_vsi *vsi);
337 void	ixl_update_vsi_stats(struct ixl_vsi *);
338 void	ixl_vsi_reset_stats(struct ixl_vsi *);
339 
340 /*
341  * I2C Function prototypes
342  */
343 int	ixl_find_i2c_interface(struct ixl_pf *);
344 s32	ixl_read_i2c_byte(struct ixl_pf *pf, u8 byte_offset,
345 	    u8 dev_addr, u8 *data);
346 s32	ixl_write_i2c_byte(struct ixl_pf *pf, u8 byte_offset,
347 	    u8 dev_addr, u8 data);
348 
349 #endif /* _IXL_PF_H_ */
350