blob: 6c648272af1b1a7c7572ae57ebaf8b21bb34ae89 [file] [log] [blame]
Bharat Gootyb48ee742021-11-08 14:46:10 -08001/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright 2019-2021 Broadcom.
4 */
5
6#ifndef _BNXT_H_
7#define _BNXT_H_
8
9#include <pci.h>
10#include <linux/if_ether.h>
11
12#include "bnxt_hsi.h"
13
14union dma_addr64_t {
15 dma_addr_t addr;
16 u64 as_u64;
17};
18
19#define DRIVER_VERSION_MAJOR 1
20#define DRIVER_VERSION_MINOR 0
21#define DRIVER_VERSION_UPDATE 0
22
23/* Broadcom ethernet driver defines. */
24#define FLAG_SET(f, b) ((f) |= (b))
25#define FLAG_TEST(f, b) ((f) & (b))
26#define FLAG_RESET(f, b) ((f) &= ~(b))
27#define BNXT_FLAG_HWRM_SHORT_CMD_SUPP BIT(0)
28#define BNXT_FLAG_HWRM_SHORT_CMD_REQ BIT(1)
29#define BNXT_FLAG_RESOURCE_QCAPS_SUPPORT BIT(2)
30#define BNXT_FLAG_MULTI_HOST BIT(3)
31#define BNXT_FLAG_NPAR_MODE BIT(4)
32/*******************************************************************************
33 * Status codes.
34 ******************************************************************************/
35#define STATUS_SUCCESS 0
36#define STATUS_FAILURE 1
37#define STATUS_LINK_ACTIVE 4
38#define STATUS_LINK_DOWN 5
39#define STATUS_TIMEOUT 0xffff
40/*******************************************************************************
41 * Receive filter masks.
42 ******************************************************************************/
43#define RX_MASK_ACCEPT_NONE 0x0000
44#define RX_MASK_ACCEPT_MULTICAST 0x0002
45#define RX_MASK_ACCEPT_ALL_MULTICAST 0x0004
46#define RX_MASK_ACCEPT_BROADCAST 0x0008
47#define RX_MASK_PROMISCUOUS_MODE 0x10000
48/*******************************************************************************
49 * media speed.
50 ******************************************************************************/
51#define MEDIUM_SPEED_AUTONEG 0x0000L
52#define MEDIUM_SPEED_1000MBPS 0x0300L
53#define MEDIUM_SPEED_2500MBPS 0x0400L
54#define MEDIUM_SPEED_10GBPS 0x0600L
55#define MEDIUM_SPEED_25GBPS 0x0800L
56#define MEDIUM_SPEED_40GBPS 0x0900L
57#define MEDIUM_SPEED_50GBPS 0x0a00L
58#define MEDIUM_SPEED_100GBPS 0x0b00L
59#define MEDIUM_SPEED_200GBPS 0x0c00L
60#define MEDIUM_SPEED_MASK 0xff00L
61#define GET_MEDIUM_SPEED(m) ((m) & MEDIUM_SPEED_MASK)
62#define SET_MEDIUM_SPEED(bp, s) (((bp)->medium & ~MEDIUM_SPEED_MASK) | (s))
63#define MEDIUM_UNKNOWN_DUPLEX 0x00000L
64#define MEDIUM_FULL_DUPLEX 0x00000L
65#define MEDIUM_HALF_DUPLEX 0x10000L
66#define GET_MEDIUM_DUPLEX(m) ((m) & MEDIUM_HALF_DUPLEX)
67#define SET_MEDIUM_DUPLEX(bp, d) (((bp)->medium & ~MEDIUM_HALF_DUPLEX) | (d))
68#define MEDIUM_SELECTIVE_AUTONEG 0x01000000L
69#define GET_MEDIUM_AUTONEG_MODE(m) ((m) & 0xff000000L)
70#define GRC_COM_CHAN_BASE 0
71#define GRC_COM_CHAN_TRIG 0x100
72#define HWRM_CMD_DEFAULT_TIMEOUT 500 /* in Miliseconds */
73#define HWRM_CMD_POLL_WAIT_TIME 100 /* In MicroeSconds */
74#define HWRM_CMD_DEFAULT_MULTIPLAYER(a) ((a) * 10)
75#define HWRM_CMD_FLASH_MULTIPLAYER(a) ((a) * 100)
76#define HWRM_CMD_FLASH_ERASE_MULTIPLAYER(a) ((a) * 1000)
77#define MAX_ETHERNET_PACKET_BUFFER_SIZE 1536
78#define DEFAULT_NUMBER_OF_CMPL_RINGS 0x01
79#define DEFAULT_NUMBER_OF_TX_RINGS 0x01
80#define DEFAULT_NUMBER_OF_RX_RINGS 0x01
81#define DEFAULT_NUMBER_OF_RING_GRPS 0x01
82#define DEFAULT_NUMBER_OF_STAT_CTXS 0x01
83#define NUM_RX_BUFFERS 512
84#define MAX_RX_DESC_CNT 1024
85#define MAX_TX_DESC_CNT 512
86#define MAX_CQ_DESC_CNT 2048
87#define TX_RING_DMA_BUFFER_SIZE (MAX_TX_DESC_CNT * sizeof(struct tx_bd_short))
88#define RX_RING_DMA_BUFFER_SIZE \
89 (MAX_RX_DESC_CNT * sizeof(struct rx_prod_pkt_bd))
90#define CQ_RING_DMA_BUFFER_SIZE (MAX_CQ_DESC_CNT * sizeof(struct cmpl_base))
91#define BNXT_DMA_ALIGNMENT 256 //64
92#define REQ_BUFFER_SIZE 1024
93#define RESP_BUFFER_SIZE 1024
94#define DMA_BUFFER_SIZE 1024
95#define LM_PAGE_BITS 8
96#define BNXT_RX_STD_DMA_SZ 1536
97#define NEXT_IDX(N, S) (((N) + 1) & ((S) - 1))
98#define BD_NOW(bd, entry, len) (&((u8 *)(bd))[(entry) * (len)])
99#define BNXT_CQ_INTR_MODE() RING_ALLOC_REQ_INT_MODE_POLL
100#define BNXT_INTR_MODE() RING_ALLOC_REQ_INT_MODE_POLL
101/* Set default link timeout period to 500 millseconds */
102#define LINK_DEFAULT_TIMEOUT 500
103#define RX_MASK \
104 (RX_MASK_ACCEPT_BROADCAST | \
105 RX_MASK_ACCEPT_ALL_MULTICAST | \
106 RX_MASK_ACCEPT_MULTICAST)
107#define TX_RING_QID ((u16)bp->port_idx * 10)
108#define RX_RING_QID 0
109#define LM_PAGE_SIZE LM_PAGE_BITS
110#define virt_to_bus(a) ((dma_addr_t)(a))
111#define REQ_BUF_SIZE_ALIGNED ALIGN(REQ_BUFFER_SIZE, BNXT_DMA_ALIGNMENT)
112#define RESP_BUF_SIZE_ALIGNED ALIGN(RESP_BUFFER_SIZE, BNXT_DMA_ALIGNMENT)
113#define DMA_BUF_SIZE_ALIGNED ALIGN(DMA_BUFFER_SIZE, BNXT_DMA_ALIGNMENT)
114#define RX_STD_DMA_ALIGNED ALIGN(BNXT_RX_STD_DMA_SZ, BNXT_DMA_ALIGNMENT)
115#define PCI_COMMAND_INTX_DISABLE 0x0400 /* Interrupt disable */
116#define TX_AVAIL(r) ((r) - 1)
117#define NO_MORE_CQ_BD_TO_SERVICE 1
118#define SERVICE_NEXT_CQ_BD 0
119#define PHY_STATUS 0x0001
120#define PHY_SPEED 0x0002
121#define DETECT_MEDIA 0x0004
122#define SUPPORT_SPEEDS 0x0008
123#define str_1 "1"
124#define str_2 "2"
125#define str_2_5 "2.5"
126#define str_10 "10"
127#define str_20 "20"
128#define str_25 "25"
129#define str_40 "40"
130#define str_50 "50"
131#define str_100 "100"
132#define str_gbps "Gbps"
133#define str_mbps "Mbps"
134#define str_unknown "Unknown"
135/* Broadcom ethernet driver nvm defines. */
136/* nvm cfg 1 - MAC settings */
137#define FUNC_MAC_ADDR_NUM 1
138/* nvm cfg 203 - u32 link_settings */
139#define LINK_SPEED_DRV_NUM 203
140#define LINK_SPEED_DRV_MASK 0x0000000F
141#define LINK_SPEED_DRV_SHIFT 0
142#define LINK_SPEED_DRV_AUTONEG 0x0
143#define LINK_SPEED_DRV_1G 0x1
144#define LINK_SPEED_DRV_10G 0x2
145#define LINK_SPEED_DRV_25G 0x3
146#define LINK_SPEED_DRV_40G 0x4
147#define LINK_SPEED_DRV_50G 0x5
148#define LINK_SPEED_DRV_100G 0x6
149#define LINK_SPEED_DRV_200G 0x7
150#define LINK_SPEED_DRV_2_5G 0xE
151#define LINK_SPEED_DRV_100M 0xF
152/* nvm cfg 201 - u32 speed_cap_mask */
153#define SPEED_CAPABILITY_DRV_1G 0x1
154#define SPEED_CAPABILITY_DRV_10G 0x2
155#define SPEED_CAPABILITY_DRV_25G 0x4
156#define SPEED_CAPABILITY_DRV_40G 0x8
157#define SPEED_CAPABILITY_DRV_50G 0x10
158#define SPEED_CAPABILITY_DRV_100G 0x20
159#define SPEED_CAPABILITY_DRV_100M 0x8000
160/* nvm cfg 202 */
161/* nvm cfg 205 */
162#define LINK_SPEED_FW_NUM 205
163/* nvm cfg 210 */
164/* nvm cfg 211 */
165/* nvm cfg 213 */
166#define SPEED_DRV_MASK LINK_SPEED_DRV_MASK
167/******************************************************************************
168 * Doorbell info.
169 *****************************************************************************/
170#define RX_DOORBELL_KEY_RX (0x1UL << 28)
171#define TX_DOORBELL_KEY_TX (0x0UL << 28)
172
173#define CMPL_DOORBELL_IDX_VALID 0x4000000UL
174#define CMPL_DOORBELL_KEY_CMPL (0x2UL << 28)
175
176/******************************************************************************
177 * Transmit info.
178 *****************************************************************************/
179struct tx_bd_short {
180 u16 flags_type;
181#define TX_BD_SHORT_TYPE_TX_BD_SHORT 0x0UL
182#define TX_BD_SHORT_FLAGS_PACKET_END 0x40UL
183#define TX_BD_SHORT_FLAGS_NO_CMPL 0x80UL
184#define TX_BD_SHORT_FLAGS_BD_CNT_SFT 8
185#define TX_BD_SHORT_FLAGS_LHINT_LT512 (0x0UL << 13)
186#define TX_BD_SHORT_FLAGS_LHINT_LT1K (0x1UL << 13)
187#define TX_BD_SHORT_FLAGS_LHINT_LT2K (0x2UL << 13)
188#define TX_BD_SHORT_FLAGS_LHINT_GTE2K (0x3UL << 13)
189#define TX_BD_SHORT_FLAGS_COAL_NOW 0x8000UL
190 u16 len;
191 u32 opaque;
192 union dma_addr64_t dma;
193};
194
195struct lm_tx_info_t {
196 void *bd_virt;
197 u16 prod_id; /* Tx producer index. */
198 u16 cons_id;
199 u16 ring_cnt;
200 u32 cnt; /* Tx statistics. */
201 u32 cnt_req;
202};
203
204struct cmpl_base {
205 u16 type;
206#define CMPL_BASE_TYPE_MASK 0x3fUL
207#define CMPL_BASE_TYPE_TX_L2 0x0UL
208#define CMPL_BASE_TYPE_RX_L2 0x11UL
209#define CMPL_BASE_TYPE_STAT_EJECT 0x1aUL
210#define CMPL_BASE_TYPE_HWRM_ASYNC_EVENT 0x2eUL
211 u16 info1;
212 u32 info2;
213 u32 info3_v;
214#define CMPL_BASE_V 0x1UL
215 u32 info4;
216};
217
218struct lm_cmp_info_t {
219 void *bd_virt;
220 u16 cons_idx;
221 u16 ring_cnt;
222 u8 completion_bit;
223 u8 res[3];
224};
225
226struct rx_pkt_cmpl {
227 u16 flags_type;
228 u16 len;
229 u32 opaque;
230 u8 agg_bufs_v1;
231 u8 rss_hash_type;
232 u8 payload_offset;
233 u8 unused1;
234 u32 rss_hash;
235};
236
237struct rx_pkt_cmpl_hi {
238 u32 flags2;
239 u32 metadata;
240 u16 errors_v2;
241#define RX_PKT_CMPL_V2 0x1UL
242#define RX_PKT_CMPL_ERRORS_BUFFER_ERROR_SFT 1
243 u16 cfa_code;
244 u32 reorder;
245};
246
247struct rx_prod_pkt_bd {
248 u16 flags_type;
249#define RX_PROD_PKT_BD_TYPE_RX_PROD_PKT 0x4UL
250 u16 len;
251 u32 opaque;
252 union dma_addr64_t dma;
253};
254
255struct lm_rx_info_t {
256 void *bd_virt;
257 void *iob[NUM_RX_BUFFERS];
258 void *iob_rx;
259 u16 iob_len;
260 u16 iob_recv;
261 u16 iob_cnt;
262 u16 buf_cnt; /* Total Rx buffer descriptors. */
263 u16 ring_cnt;
264 u16 cons_idx; /* Last processed consumer index. */
265 u32 rx_cnt;
266 u32 rx_buf_cnt;
267 u32 err;
268 u32 crc;
269 u32 dropped;
270};
271
272#define VALID_DRIVER_REG 0x0001
273#define VALID_STAT_CTX 0x0002
274#define VALID_RING_CQ 0x0004
275#define VALID_RING_TX 0x0008
276#define VALID_RING_RX 0x0010
277#define VALID_RING_GRP 0x0020
278#define VALID_VNIC_ID 0x0040
279#define VALID_RX_IOB 0x0080
280#define VALID_L2_FILTER 0x0100
281
282enum RX_FLAGS {
283 PKT_DONE = 0,
284 PKT_RECEIVED = 1,
285 PKT_DROPPED = 2,
286};
287
288struct bnxt {
289 struct udevice *pdev;
290 const char *name;
291 unsigned int cardnum;
292 void *hwrm_addr_req;
293 void *hwrm_addr_resp;
294 void *hwrm_addr_data;
295 dma_addr_t data_addr_mapping;
296 dma_addr_t req_addr_mapping;
297 dma_addr_t resp_addr_mapping;
298 struct lm_tx_info_t tx; /* Tx info. */
299 struct lm_rx_info_t rx; /* Rx info. */
300 struct lm_cmp_info_t cq; /* completion info. */
301 u16 last_resp_code;
302 u16 seq_id;
303 u32 flag_hwrm;
304 u32 flags;
305 u16 vendor_id;
306 u16 device_id;
307 u16 subsystem_vendor;
308 u16 subsystem_device;
309 u16 cmd_reg;
310 u8 irq;
311 void __iomem *bar0;
312 void __iomem *bar1;
313 void __iomem *bar2;
314 u16 chip_num;
315 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
316 u32 chip_id;
317 u32 hwrm_cmd_timeout;
318 u16 hwrm_spec_code;
319 u16 hwrm_max_req_len;
320 u16 hwrm_max_ext_req_len;
321 u8 fw_maj;
322 u8 fw_min;
323 u8 fw_bld;
324 u8 fw_rsvd;
325 u8 mac_addr[ETH_ALEN]; /* HW MAC address */
326 u8 mac_set[ETH_ALEN]; /* NVM Configured MAC */
327 u16 fid;
328 u8 port_idx;
329 u8 ordinal_value;
330 u16 mtu;
331 u16 ring_grp_id;
332 u16 cq_ring_id;
333 u16 tx_ring_id;
334 u16 rx_ring_id;
335 u16 current_link_speed;
336 u16 link_status;
337 u16 wait_link_timeout;
338 u64 l2_filter_id;
339 u16 vnic_id;
340 u16 stat_ctx_id;
341 u32 medium;
342 u16 support_speeds;
343 u32 link_set;
344 u8 media_detect;
345 u8 media_change;
346 u16 max_vfs;
347 u16 vf_res_strategy;
348 u16 min_vnics;
349 u16 max_vnics;
350 u16 max_msix;
351 u16 min_hw_ring_grps;
352 u16 max_hw_ring_grps;
353 u16 min_tx_rings;
354 u16 max_tx_rings;
355 u16 min_rx_rings;
356 u16 max_rx_rings;
357 u16 min_cp_rings;
358 u16 max_cp_rings;
359 u16 min_rsscos_ctxs;
360 u16 max_rsscos_ctxs;
361 u16 min_l2_ctxs;
362 u16 max_l2_ctxs;
363 u16 min_stat_ctxs;
364 u16 max_stat_ctxs;
365 u16 num_cmpl_rings;
366 u16 num_tx_rings;
367 u16 num_rx_rings;
368 u16 num_stat_ctxs;
369 u16 num_hw_ring_grps;
370 bool card_en;
371};
372
373#define SHORT_CMD_SUPPORTED VER_GET_RESP_DEV_CAPS_CFG_SHORT_CMD_SUPPORTED
374#define SHORT_CMD_REQUIRED VER_GET_RESP_DEV_CAPS_CFG_SHORT_CMD_REQUIRED
375#define CQ_DOORBELL_KEY_IDX(a) \
376 (CMPL_DOORBELL_KEY_CMPL | \
377 CMPL_DOORBELL_IDX_VALID | \
378 (u32)(a))
379#define TX_BD_FLAGS \
380 (TX_BD_SHORT_TYPE_TX_BD_SHORT | \
381 TX_BD_SHORT_FLAGS_NO_CMPL | \
382 TX_BD_SHORT_FLAGS_COAL_NOW | \
383 TX_BD_SHORT_FLAGS_PACKET_END | \
384 (1 << TX_BD_SHORT_FLAGS_BD_CNT_SFT))
385#define MEM_HWRM_RESP memalign(BNXT_DMA_ALIGNMENT, RESP_BUF_SIZE_ALIGNED)
386#define PORT_PHY_FLAGS (BNXT_FLAG_NPAR_MODE | BNXT_FLAG_MULTI_HOST)
387#define RING_FREE(bp, rid, flag) bnxt_hwrm_ring_free(bp, rid, flag)
388#define QCFG_PHY_ALL (SUPPORT_SPEEDS | DETECT_MEDIA | PHY_SPEED | PHY_STATUS)
389
390#endif /* _BNXT_H_ */