1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Marvell International Ltd.
3 * Copyright(c) 2017 Semihalf.
4 * All rights reserved.
5 */
6
7 #ifndef _MRVL_ETHDEV_H_
8 #define _MRVL_ETHDEV_H_
9
10 #include <rte_spinlock.h>
11 #include <rte_flow_driver.h>
12 #include <rte_mtr_driver.h>
13 #include <rte_tm_driver.h>
14
15 /*
16 * container_of is defined by both DPDK and MUSDK,
17 * we'll declare only one version.
18 *
19 * Note that it is not used in this PMD anyway.
20 */
21 #ifdef container_of
22 #undef container_of
23 #endif
24
25 #include <env/mv_autogen_comp_flags.h>
26 #include <drivers/mv_pp2.h>
27 #include <drivers/mv_pp2_bpool.h>
28 #include <drivers/mv_pp2_cls.h>
29 #include <drivers/mv_pp2_hif.h>
30 #include <drivers/mv_pp2_ppio.h>
31 #include "env/mv_common.h" /* for BIT() */
32
33 /** Maximum number of rx queues per port */
34 #define MRVL_PP2_RXQ_MAX 32
35
36 /** Maximum number of tx queues per port */
37 #define MRVL_PP2_TXQ_MAX 8
38
39 /** Minimum number of descriptors in tx queue */
40 #define MRVL_PP2_TXD_MIN 16
41
42 /** Maximum number of descriptors in tx queue */
43 #define MRVL_PP2_TXD_MAX 2048
44
45 /** Tx queue descriptors alignment */
46 #define MRVL_PP2_TXD_ALIGN 16
47
48 /** Minimum number of descriptors in rx queue */
49 #define MRVL_PP2_RXD_MIN 16
50
51 /** Maximum number of descriptors in rx queue */
52 #define MRVL_PP2_RXD_MAX 2048
53
54 /** Rx queue descriptors alignment */
55 #define MRVL_PP2_RXD_ALIGN 16
56
57 /** Maximum number of descriptors in tx aggregated queue */
58 #define MRVL_PP2_AGGR_TXQD_MAX 2048
59
60 /** Maximum number of Traffic Classes. */
61 #define MRVL_PP2_TC_MAX 8
62
63 /** Packet offset inside RX buffer. */
64 #define MRVL_PKT_OFFS 64
65
66 /** Maximum number of descriptors in shadow queue. Must be power of 2 */
67 #define MRVL_PP2_TX_SHADOWQ_SIZE MRVL_PP2_TXD_MAX
68
69 /** Shadow queue size mask (since shadow queue size is power of 2) */
70 #define MRVL_PP2_TX_SHADOWQ_MASK (MRVL_PP2_TX_SHADOWQ_SIZE - 1)
71
72 /** Minimum number of sent buffers to release from shadow queue to BM */
73 #define MRVL_PP2_BUF_RELEASE_BURST_SIZE 64
74
75 #define MRVL_PP2_ETH_HDRS_LEN (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + \
76 (2 * RTE_VLAN_HLEN))
77 #define MRVL_PP2_HDRS_LEN (MV_MH_SIZE + MRVL_PP2_ETH_HDRS_LEN)
78 #define MRVL_PP2_MTU_TO_MRU(mtu) ((mtu) + MRVL_PP2_HDRS_LEN)
79 #define MRVL_PP2_MRU_TO_MTU(mru) ((mru) - MRVL_PP2_HDRS_LEN)
80
81 /** Maximum length of a match string */
82 #define MRVL_MATCH_LEN 16
83
84 #define MRVL_BURST_SIZE 64
85
86 /** PMD-specific definition of a flow rule handle. */
87 struct mrvl_mtr;
88 struct rte_flow {
89 LIST_ENTRY(rte_flow) next;
90 struct mrvl_mtr *mtr;
91
92 struct pp2_cls_tbl_key table_key;
93 struct pp2_cls_tbl_rule rule;
94 struct pp2_cls_cos_desc cos;
95 struct pp2_cls_tbl_action action;
96 uint8_t next_udf_id;
97 };
98
99 struct mrvl_mtr_profile {
100 LIST_ENTRY(mrvl_mtr_profile) next;
101 uint32_t profile_id;
102 int refcnt;
103 struct rte_mtr_meter_profile profile;
104 };
105
106 struct mrvl_mtr {
107 LIST_ENTRY(mrvl_mtr) next;
108 uint32_t mtr_id;
109 int refcnt;
110 int shared;
111 int enabled;
112 int plcr_bit;
113 struct mrvl_mtr_profile *profile;
114 struct pp2_cls_plcr *plcr;
115 };
116
117 struct mrvl_tm_shaper_profile {
118 LIST_ENTRY(mrvl_tm_shaper_profile) next;
119 uint32_t id;
120 int refcnt;
121 struct rte_tm_shaper_params params;
122 };
123
124 enum {
125 MRVL_NODE_PORT,
126 MRVL_NODE_QUEUE,
127 };
128
129 struct mrvl_tm_node {
130 LIST_ENTRY(mrvl_tm_node) next;
131 uint32_t id;
132 uint32_t type;
133 int refcnt;
134 struct mrvl_tm_node *parent;
135 struct mrvl_tm_shaper_profile *profile;
136 uint8_t weight;
137 uint64_t stats_mask;
138 };
139
140 struct mrvl_priv {
141 /* Hot fields, used in fast path. */
142 struct pp2_bpool *bpool; /**< BPool pointer */
143 struct pp2_ppio *ppio; /**< Port handler pointer */
144 rte_spinlock_t lock; /**< Spinlock for checking bpool status */
145 uint16_t bpool_max_size; /**< BPool maximum size */
146 uint16_t bpool_min_size; /**< BPool minimum size */
147 uint16_t bpool_init_size; /**< Configured BPool size */
148
149 /** Mapping for DPDK rx queue->(TC, MRVL relative inq) */
150 struct {
151 uint8_t tc; /**< Traffic Class */
152 uint8_t inq; /**< Relative in-queue number */
153 } rxq_map[MRVL_PP2_RXQ_MAX] __rte_cache_aligned;
154
155 /* Configuration data, used sporadically. */
156 uint8_t pp_id;
157 uint8_t ppio_id;
158 uint8_t bpool_bit;
159 uint8_t rss_hf_tcp;
160 uint8_t uc_mc_flushed;
161 uint8_t isolated;
162 uint8_t multiseg;
163 uint16_t max_mtu;
164 uint8_t flow_ctrl;
165 struct rte_eth_fc_conf fc_conf;
166
167 struct pp2_ppio_params ppio_params;
168 struct pp2_cls_qos_tbl_params qos_tbl_params;
169 struct pp2_cls_tbl *qos_tbl;
170 uint16_t nb_rx_queues;
171
172 struct pp2_cls_tbl_params cls_tbl_params;
173 struct pp2_cls_tbl *cls_tbl;
174 LIST_HEAD(mrvl_flows, rte_flow) flows;
175
176 struct pp2_cls_plcr *default_policer;
177
178 LIST_HEAD(profiles, mrvl_mtr_profile) profiles;
179 LIST_HEAD(mtrs, mrvl_mtr) mtrs;
180 uint32_t used_plcrs;
181
182 LIST_HEAD(shaper_profiles, mrvl_tm_shaper_profile) shaper_profiles;
183 LIST_HEAD(nodes, mrvl_tm_node) nodes;
184 uint64_t rate_max;
185
186 uint8_t forward_bad_frames;
187 uint32_t fill_bpool_buffs;
188
189 uint8_t configured; /** indicates if device has been configured */
190 };
191
192 /** Flow operations forward declaration. */
193 extern const struct rte_flow_ops mrvl_flow_ops;
194
195 /** Meter operations forward declaration. */
196 extern const struct rte_mtr_ops mrvl_mtr_ops;
197
198 /** Traffic manager operations forward declaration. */
199 extern const struct rte_tm_ops mrvl_tm_ops;
200
201 /** Current log type. */
202 extern int mrvl_logtype;
203
204 #define MRVL_LOG(level, fmt, args...) \
205 rte_log(RTE_LOG_ ## level, mrvl_logtype, "%s(): " fmt "\n", \
206 __func__, ##args)
207
208 extern struct pp2_bpool *dummy_pool[PP2_NUM_PKT_PROC];
209
210 /**
211 * Convert string to uint32_t with extra checks for result correctness.
212 *
213 * @param string String to convert.
214 * @param val Conversion result.
215 * @returns 0 in case of success, negative value otherwise.
216 */
217 static int
get_val_securely(const char * string,uint32_t * val)218 get_val_securely(const char *string, uint32_t *val)
219 {
220 char *endptr;
221 size_t len = strlen(string);
222
223 if (len == 0)
224 return -1;
225
226 errno = 0;
227 *val = strtoul(string, &endptr, 0);
228 if (errno != 0 || RTE_PTR_DIFF(endptr, string) != len)
229 return -2;
230
231 return 0;
232 }
233
234 static int
get_val_securely8(const char * string,uint32_t base,uint8_t * val)235 get_val_securely8(const char *string, uint32_t base, uint8_t *val)
236 {
237 char *endptr;
238 size_t len = strlen(string);
239
240 if (len == 0)
241 return -1;
242
243 errno = 0;
244 *val = (uint8_t)strtoul(string, &endptr, base);
245 if (errno != 0 || RTE_PTR_DIFF(endptr, string) != len)
246 return -2;
247
248 return 0;
249 }
250
251 #endif /* _MRVL_ETHDEV_H_ */
252