1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Linux network driver for QLogic BR-series Converged Network Adapter.
4  */
5 /*
6  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
7  * Copyright (c) 2014-2015 QLogic Corporation
8  * All rights reserved
9  * www.qlogic.com
10  */
11 #ifndef __BNA_H__
12 #define __BNA_H__
13 
14 #include "bfa_defs.h"
15 #include "bfa_ioc.h"
16 #include "bfi_enet.h"
17 #include "bna_types.h"
18 
19 extern const u32 bna_napi_dim_vector[][BNA_BIAS_T_MAX];
20 
21 /*  Macros and constants  */
22 
23 #define bna_is_small_rxq(_id) ((_id) & 0x1)
24 
25 /*
26  * input : _addr-> os dma addr in host endian format,
27  * output : _bna_dma_addr-> pointer to hw dma addr
28  */
29 #define BNA_SET_DMA_ADDR(_addr, _bna_dma_addr)				\
30 do {									\
31 	u64 tmp_addr =						\
32 	cpu_to_be64((u64)(_addr));				\
33 	(_bna_dma_addr)->msb = ((struct bna_dma_addr *)&tmp_addr)->msb; \
34 	(_bna_dma_addr)->lsb = ((struct bna_dma_addr *)&tmp_addr)->lsb; \
35 } while (0)
36 
37 /*
38  * input : _bna_dma_addr-> pointer to hw dma addr
39  * output : _addr-> os dma addr in host endian format
40  */
41 #define BNA_GET_DMA_ADDR(_bna_dma_addr, _addr)			\
42 do {								\
43 	(_addr) = ((((u64)ntohl((_bna_dma_addr)->msb))) << 32)		\
44 	| ((ntohl((_bna_dma_addr)->lsb) & 0xffffffff));	\
45 } while (0)
46 
47 #define BNA_TXQ_WI_NEEDED(_vectors)	(((_vectors) + 3) >> 2)
48 
49 #define BNA_QE_INDX_ADD(_qe_idx, _qe_num, _q_depth)			\
50 	((_qe_idx) = ((_qe_idx) + (_qe_num)) & ((_q_depth) - 1))
51 
52 #define BNA_QE_INDX_INC(_idx, _q_depth) BNA_QE_INDX_ADD(_idx, 1, _q_depth)
53 
54 #define BNA_Q_INDEX_CHANGE(_old_idx, _updated_idx, _q_depth)		\
55 	(((_updated_idx) - (_old_idx)) & ((_q_depth) - 1))
56 
57 #define BNA_QE_FREE_CNT(_q_ptr, _q_depth)				\
58 	(((_q_ptr)->consumer_index - (_q_ptr)->producer_index - 1) &	\
59 	 ((_q_depth) - 1))
60 #define BNA_QE_IN_USE_CNT(_q_ptr, _q_depth)				\
61 	((((_q_ptr)->producer_index - (_q_ptr)->consumer_index)) &	\
62 	 (_q_depth - 1))
63 
64 #define BNA_LARGE_PKT_SIZE		1000
65 
66 #define BNA_UPDATE_PKT_CNT(_pkt, _len)					\
67 do {									\
68 	if ((_len) > BNA_LARGE_PKT_SIZE) {				\
69 		(_pkt)->large_pkt_cnt++;				\
70 	} else {							\
71 		(_pkt)->small_pkt_cnt++;				\
72 	}								\
73 } while (0)
74 
75 #define	call_rxf_stop_cbfn(rxf)						\
76 do {									\
77 	if ((rxf)->stop_cbfn) {						\
78 		void (*cbfn)(struct bna_rx *);			\
79 		struct bna_rx *cbarg;					\
80 		cbfn = (rxf)->stop_cbfn;				\
81 		cbarg = (rxf)->stop_cbarg;				\
82 		(rxf)->stop_cbfn = NULL;				\
83 		(rxf)->stop_cbarg = NULL;				\
84 		cbfn(cbarg);						\
85 	}								\
86 } while (0)
87 
88 #define	call_rxf_start_cbfn(rxf)					\
89 do {									\
90 	if ((rxf)->start_cbfn) {					\
91 		void (*cbfn)(struct bna_rx *);			\
92 		struct bna_rx *cbarg;					\
93 		cbfn = (rxf)->start_cbfn;				\
94 		cbarg = (rxf)->start_cbarg;				\
95 		(rxf)->start_cbfn = NULL;				\
96 		(rxf)->start_cbarg = NULL;				\
97 		cbfn(cbarg);						\
98 	}								\
99 } while (0)
100 
101 #define	call_rxf_cam_fltr_cbfn(rxf)					\
102 do {									\
103 	if ((rxf)->cam_fltr_cbfn) {					\
104 		void (*cbfn)(struct bnad *, struct bna_rx *);	\
105 		struct bnad *cbarg;					\
106 		cbfn = (rxf)->cam_fltr_cbfn;				\
107 		cbarg = (rxf)->cam_fltr_cbarg;				\
108 		(rxf)->cam_fltr_cbfn = NULL;				\
109 		(rxf)->cam_fltr_cbarg = NULL;				\
110 		cbfn(cbarg, rxf->rx);					\
111 	}								\
112 } while (0)
113 
114 #define is_xxx_enable(mode, bitmask, xxx) ((bitmask & xxx) && (mode & xxx))
115 
116 #define is_xxx_disable(mode, bitmask, xxx) ((bitmask & xxx) && !(mode & xxx))
117 
118 #define xxx_enable(mode, bitmask, xxx)					\
119 do {									\
120 	bitmask |= xxx;							\
121 	mode |= xxx;							\
122 } while (0)
123 
124 #define xxx_disable(mode, bitmask, xxx)					\
125 do {									\
126 	bitmask |= xxx;							\
127 	mode &= ~xxx;							\
128 } while (0)
129 
130 #define xxx_inactive(mode, bitmask, xxx)				\
131 do {									\
132 	bitmask &= ~xxx;						\
133 	mode &= ~xxx;							\
134 } while (0)
135 
136 #define is_promisc_enable(mode, bitmask)				\
137 	is_xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC)
138 
139 #define is_promisc_disable(mode, bitmask)				\
140 	is_xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC)
141 
142 #define promisc_enable(mode, bitmask)					\
143 	xxx_enable(mode, bitmask, BNA_RXMODE_PROMISC)
144 
145 #define promisc_disable(mode, bitmask)					\
146 	xxx_disable(mode, bitmask, BNA_RXMODE_PROMISC)
147 
148 #define promisc_inactive(mode, bitmask)					\
149 	xxx_inactive(mode, bitmask, BNA_RXMODE_PROMISC)
150 
151 #define is_default_enable(mode, bitmask)				\
152 	is_xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT)
153 
154 #define is_default_disable(mode, bitmask)				\
155 	is_xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT)
156 
157 #define default_enable(mode, bitmask)					\
158 	xxx_enable(mode, bitmask, BNA_RXMODE_DEFAULT)
159 
160 #define default_disable(mode, bitmask)					\
161 	xxx_disable(mode, bitmask, BNA_RXMODE_DEFAULT)
162 
163 #define default_inactive(mode, bitmask)					\
164 	xxx_inactive(mode, bitmask, BNA_RXMODE_DEFAULT)
165 
166 #define is_allmulti_enable(mode, bitmask)				\
167 	is_xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI)
168 
169 #define is_allmulti_disable(mode, bitmask)				\
170 	is_xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI)
171 
172 #define allmulti_enable(mode, bitmask)					\
173 	xxx_enable(mode, bitmask, BNA_RXMODE_ALLMULTI)
174 
175 #define allmulti_disable(mode, bitmask)					\
176 	xxx_disable(mode, bitmask, BNA_RXMODE_ALLMULTI)
177 
178 #define allmulti_inactive(mode, bitmask)				\
179 	xxx_inactive(mode, bitmask, BNA_RXMODE_ALLMULTI)
180 
181 #define	GET_RXQS(rxp, q0, q1)	do {					\
182 	switch ((rxp)->type) {						\
183 	case BNA_RXP_SINGLE:						\
184 		(q0) = rxp->rxq.single.only;				\
185 		(q1) = NULL;						\
186 		break;							\
187 	case BNA_RXP_SLR:						\
188 		(q0) = rxp->rxq.slr.large;				\
189 		(q1) = rxp->rxq.slr.small;				\
190 		break;							\
191 	case BNA_RXP_HDS:						\
192 		(q0) = rxp->rxq.hds.data;				\
193 		(q1) = rxp->rxq.hds.hdr;				\
194 		break;							\
195 	}								\
196 } while (0)
197 
198 #define bna_tx_rid_mask(_bna) ((_bna)->tx_mod.rid_mask)
199 
200 #define bna_rx_rid_mask(_bna) ((_bna)->rx_mod.rid_mask)
201 
202 #define bna_tx_from_rid(_bna, _rid, _tx)				\
203 do {									\
204 	struct bna_tx_mod *__tx_mod = &(_bna)->tx_mod;			\
205 	struct bna_tx *__tx;						\
206 	_tx = NULL;							\
207 	list_for_each_entry(__tx, &__tx_mod->tx_active_q, qe) {		\
208 		if (__tx->rid == (_rid)) {				\
209 			(_tx) = __tx;					\
210 			break;						\
211 		}							\
212 	}								\
213 } while (0)
214 
215 #define bna_rx_from_rid(_bna, _rid, _rx)				\
216 do {									\
217 	struct bna_rx_mod *__rx_mod = &(_bna)->rx_mod;			\
218 	struct bna_rx *__rx;						\
219 	_rx = NULL;							\
220 	list_for_each_entry(__rx, &__rx_mod->rx_active_q, qe) {		\
221 		if (__rx->rid == (_rid)) {				\
222 			(_rx) = __rx;					\
223 			break;						\
224 		}							\
225 	}								\
226 } while (0)
227 
228 #define bna_mcam_mod_free_q(_bna) (&(_bna)->mcam_mod.free_q)
229 
230 #define bna_mcam_mod_del_q(_bna) (&(_bna)->mcam_mod.del_q)
231 
232 #define bna_ucam_mod_free_q(_bna) (&(_bna)->ucam_mod.free_q)
233 
234 #define bna_ucam_mod_del_q(_bna) (&(_bna)->ucam_mod.del_q)
235 
236 /*  Inline functions  */
237 
bna_mac_find(struct list_head * q,const u8 * addr)238 static inline struct bna_mac *bna_mac_find(struct list_head *q, const u8 *addr)
239 {
240 	struct bna_mac *mac;
241 
242 	list_for_each_entry(mac, q, qe)
243 		if (ether_addr_equal(mac->addr, addr))
244 			return mac;
245 	return NULL;
246 }
247 
248 #define bna_attr(_bna) (&(_bna)->ioceth.attr)
249 
250 /* Function prototypes */
251 
252 /* BNA */
253 
254 /* FW response handlers */
255 void bna_bfi_stats_clr_rsp(struct bna *bna, struct bfi_msgq_mhdr *msghdr);
256 
257 /* APIs for BNAD */
258 void bna_res_req(struct bna_res_info *res_info);
259 void bna_mod_res_req(struct bna *bna, struct bna_res_info *res_info);
260 void bna_init(struct bna *bna, struct bnad *bnad,
261 			struct bfa_pcidev *pcidev,
262 			struct bna_res_info *res_info);
263 void bna_mod_init(struct bna *bna, struct bna_res_info *res_info);
264 void bna_uninit(struct bna *bna);
265 int bna_num_txq_set(struct bna *bna, int num_txq);
266 int bna_num_rxp_set(struct bna *bna, int num_rxp);
267 void bna_hw_stats_get(struct bna *bna);
268 
269 /* APIs for RxF */
270 struct bna_mac *bna_cam_mod_mac_get(struct list_head *head);
271 struct bna_mcam_handle *bna_mcam_mod_handle_get(struct bna_mcam_mod *mod);
272 void bna_mcam_mod_handle_put(struct bna_mcam_mod *mcam_mod,
273 			  struct bna_mcam_handle *handle);
274 
275 /* MBOX */
276 
277 /* API for BNAD */
278 void bna_mbox_handler(struct bna *bna, u32 intr_status);
279 
280 /* ETHPORT */
281 
282 /* Callbacks for RX */
283 void bna_ethport_cb_rx_started(struct bna_ethport *ethport);
284 void bna_ethport_cb_rx_stopped(struct bna_ethport *ethport);
285 
286 /* TX MODULE AND TX */
287 
288 /* FW response handelrs */
289 void bna_bfi_tx_enet_start_rsp(struct bna_tx *tx,
290 			       struct bfi_msgq_mhdr *msghdr);
291 void bna_bfi_tx_enet_stop_rsp(struct bna_tx *tx,
292 			      struct bfi_msgq_mhdr *msghdr);
293 void bna_bfi_bw_update_aen(struct bna_tx_mod *tx_mod);
294 
295 /* APIs for BNA */
296 void bna_tx_mod_init(struct bna_tx_mod *tx_mod, struct bna *bna,
297 		     struct bna_res_info *res_info);
298 void bna_tx_mod_uninit(struct bna_tx_mod *tx_mod);
299 
300 /* APIs for ENET */
301 void bna_tx_mod_start(struct bna_tx_mod *tx_mod, enum bna_tx_type type);
302 void bna_tx_mod_stop(struct bna_tx_mod *tx_mod, enum bna_tx_type type);
303 void bna_tx_mod_fail(struct bna_tx_mod *tx_mod);
304 
305 /* APIs for BNAD */
306 void bna_tx_res_req(int num_txq, int txq_depth,
307 		    struct bna_res_info *res_info);
308 struct bna_tx *bna_tx_create(struct bna *bna, struct bnad *bnad,
309 			       struct bna_tx_config *tx_cfg,
310 			       const struct bna_tx_event_cbfn *tx_cbfn,
311 			       struct bna_res_info *res_info, void *priv);
312 void bna_tx_destroy(struct bna_tx *tx);
313 void bna_tx_enable(struct bna_tx *tx);
314 void bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type,
315 		    void (*cbfn)(void *, struct bna_tx *));
316 void bna_tx_cleanup_complete(struct bna_tx *tx);
317 void bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo);
318 
319 /* RX MODULE, RX, RXF */
320 
321 /* FW response handlers */
322 void bna_bfi_rx_enet_start_rsp(struct bna_rx *rx,
323 			       struct bfi_msgq_mhdr *msghdr);
324 void bna_bfi_rx_enet_stop_rsp(struct bna_rx *rx,
325 			      struct bfi_msgq_mhdr *msghdr);
326 void bna_bfi_rxf_cfg_rsp(struct bna_rxf *rxf, struct bfi_msgq_mhdr *msghdr);
327 void bna_bfi_rxf_mcast_add_rsp(struct bna_rxf *rxf,
328 			       struct bfi_msgq_mhdr *msghdr);
329 void bna_bfi_rxf_ucast_set_rsp(struct bna_rxf *rxf,
330 			       struct bfi_msgq_mhdr *msghdr);
331 
332 /* APIs for BNA */
333 void bna_rx_mod_init(struct bna_rx_mod *rx_mod, struct bna *bna,
334 		     struct bna_res_info *res_info);
335 void bna_rx_mod_uninit(struct bna_rx_mod *rx_mod);
336 
337 /* APIs for ENET */
338 void bna_rx_mod_start(struct bna_rx_mod *rx_mod, enum bna_rx_type type);
339 void bna_rx_mod_stop(struct bna_rx_mod *rx_mod, enum bna_rx_type type);
340 void bna_rx_mod_fail(struct bna_rx_mod *rx_mod);
341 
342 /* APIs for BNAD */
343 void bna_rx_res_req(struct bna_rx_config *rx_config,
344 		    struct bna_res_info *res_info);
345 struct bna_rx *bna_rx_create(struct bna *bna, struct bnad *bnad,
346 			       struct bna_rx_config *rx_cfg,
347 			       const struct bna_rx_event_cbfn *rx_cbfn,
348 			       struct bna_res_info *res_info, void *priv);
349 void bna_rx_destroy(struct bna_rx *rx);
350 void bna_rx_enable(struct bna_rx *rx);
351 void bna_rx_disable(struct bna_rx *rx, enum bna_cleanup_type type,
352 		    void (*cbfn)(void *, struct bna_rx *));
353 void bna_rx_cleanup_complete(struct bna_rx *rx);
354 void bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo);
355 void bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX]);
356 void bna_rx_dim_update(struct bna_ccb *ccb);
357 enum bna_cb_status bna_rx_ucast_set(struct bna_rx *rx, const u8 *ucmac);
358 enum bna_cb_status bna_rx_ucast_listset(struct bna_rx *rx, int count,
359 					const u8 *uclist);
360 enum bna_cb_status bna_rx_mcast_add(struct bna_rx *rx, const u8 *mcmac,
361 				    void (*cbfn)(struct bnad *,
362 						 struct bna_rx *));
363 enum bna_cb_status bna_rx_mcast_listset(struct bna_rx *rx, int count,
364 					const u8 *mcmac);
365 void
366 bna_rx_mcast_delall(struct bna_rx *rx);
367 enum bna_cb_status
368 bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode rxmode,
369 		enum bna_rxmode bitmask);
370 void bna_rx_vlan_add(struct bna_rx *rx, int vlan_id);
371 void bna_rx_vlan_del(struct bna_rx *rx, int vlan_id);
372 void bna_rx_vlanfilter_enable(struct bna_rx *rx);
373 void bna_rx_vlan_strip_enable(struct bna_rx *rx);
374 void bna_rx_vlan_strip_disable(struct bna_rx *rx);
375 /* ENET */
376 
377 /* API for RX */
378 int bna_enet_mtu_get(struct bna_enet *enet);
379 
380 /* Callbacks for TX, RX */
381 void bna_enet_cb_tx_stopped(struct bna_enet *enet);
382 void bna_enet_cb_rx_stopped(struct bna_enet *enet);
383 
384 /* API for BNAD */
385 void bna_enet_enable(struct bna_enet *enet);
386 void bna_enet_disable(struct bna_enet *enet, enum bna_cleanup_type type,
387 		      void (*cbfn)(void *));
388 void bna_enet_pause_config(struct bna_enet *enet,
389 			   struct bna_pause_config *pause_config);
390 void bna_enet_mtu_set(struct bna_enet *enet, int mtu,
391 		      void (*cbfn)(struct bnad *));
392 void bna_enet_perm_mac_get(struct bna_enet *enet, u8 *mac);
393 
394 /* IOCETH */
395 
396 /* APIs for BNAD */
397 void bna_ioceth_enable(struct bna_ioceth *ioceth);
398 void bna_ioceth_disable(struct bna_ioceth *ioceth,
399 			enum bna_cleanup_type type);
400 
401 /* BNAD */
402 
403 /* Callbacks for ENET */
404 void bnad_cb_ethport_link_status(struct bnad *bnad,
405 			      enum bna_link_status status);
406 
407 /* Callbacks for IOCETH */
408 void bnad_cb_ioceth_ready(struct bnad *bnad);
409 void bnad_cb_ioceth_failed(struct bnad *bnad);
410 void bnad_cb_ioceth_disabled(struct bnad *bnad);
411 void bnad_cb_mbox_intr_enable(struct bnad *bnad);
412 void bnad_cb_mbox_intr_disable(struct bnad *bnad);
413 
414 /* Callbacks for BNA */
415 void bnad_cb_stats_get(struct bnad *bnad, enum bna_cb_status status,
416 		       struct bna_stats *stats);
417 
418 #endif  /* __BNA_H__ */
419