xref: /dpdk/drivers/net/mvpp2/mrvl_ethdev.h (revision b57d1a83)
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_VLAN_TAG_LEN	4
76 #define MRVL_PP2_ETH_HDRS_LEN	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + \
77 				(2 * MRVL_PP2_VLAN_TAG_LEN))
78 #define MRVL_PP2_HDRS_LEN		(MV_MH_SIZE + MRVL_PP2_ETH_HDRS_LEN)
79 #define MRVL_PP2_MTU_TO_MRU(mtu)	((mtu) + MRVL_PP2_HDRS_LEN)
80 #define MRVL_PP2_MRU_TO_MTU(mru)	((mru) - MRVL_PP2_HDRS_LEN)
81 
82 /** Maximum length of a match string */
83 #define MRVL_MATCH_LEN 16
84 
85 /** PMD-specific definition of a flow rule handle. */
86 struct mrvl_mtr;
87 struct rte_flow {
88 	LIST_ENTRY(rte_flow) next;
89 	struct mrvl_mtr *mtr;
90 
91 	struct pp2_cls_tbl_key table_key;
92 	struct pp2_cls_tbl_rule rule;
93 	struct pp2_cls_cos_desc cos;
94 	struct pp2_cls_tbl_action action;
95 };
96 
97 struct mrvl_mtr_profile {
98 	LIST_ENTRY(mrvl_mtr_profile) next;
99 	uint32_t profile_id;
100 	int refcnt;
101 	struct rte_mtr_meter_profile profile;
102 };
103 
104 struct mrvl_mtr {
105 	LIST_ENTRY(mrvl_mtr) next;
106 	uint32_t mtr_id;
107 	int refcnt;
108 	int shared;
109 	int enabled;
110 	int plcr_bit;
111 	struct mrvl_mtr_profile *profile;
112 	struct pp2_cls_plcr *plcr;
113 };
114 
115 struct mrvl_tm_shaper_profile {
116 	LIST_ENTRY(mrvl_tm_shaper_profile) next;
117 	uint32_t id;
118 	int refcnt;
119 	struct rte_tm_shaper_params params;
120 };
121 
122 enum {
123 	MRVL_NODE_PORT,
124 	MRVL_NODE_QUEUE,
125 };
126 
127 struct mrvl_tm_node {
128 	LIST_ENTRY(mrvl_tm_node) next;
129 	uint32_t id;
130 	uint32_t type;
131 	int refcnt;
132 	struct mrvl_tm_node *parent;
133 	struct mrvl_tm_shaper_profile *profile;
134 	uint8_t weight;
135 	uint64_t stats_mask;
136 };
137 
138 struct mrvl_priv {
139 	/* Hot fields, used in fast path. */
140 	struct pp2_bpool *bpool;  /**< BPool pointer */
141 	struct pp2_ppio	*ppio;    /**< Port handler pointer */
142 	rte_spinlock_t lock;	  /**< Spinlock for checking bpool status */
143 	uint16_t bpool_max_size;  /**< BPool maximum size */
144 	uint16_t bpool_min_size;  /**< BPool minimum size  */
145 	uint16_t bpool_init_size; /**< Configured BPool size  */
146 
147 	/** Mapping for DPDK rx queue->(TC, MRVL relative inq) */
148 	struct {
149 		uint8_t tc;  /**< Traffic Class */
150 		uint8_t inq; /**< Relative in-queue number */
151 	} rxq_map[MRVL_PP2_RXQ_MAX] __rte_cache_aligned;
152 
153 	/* Configuration data, used sporadically. */
154 	uint8_t pp_id;
155 	uint8_t ppio_id;
156 	uint8_t bpool_bit;
157 	uint8_t rss_hf_tcp;
158 	uint8_t uc_mc_flushed;
159 	uint8_t isolated;
160 	uint8_t multiseg;
161 
162 	struct pp2_ppio_params ppio_params;
163 	struct pp2_cls_qos_tbl_params qos_tbl_params;
164 	struct pp2_cls_tbl *qos_tbl;
165 	uint16_t nb_rx_queues;
166 
167 	struct pp2_cls_tbl_params cls_tbl_params;
168 	struct pp2_cls_tbl *cls_tbl;
169 	LIST_HEAD(mrvl_flows, rte_flow) flows;
170 
171 	struct pp2_cls_plcr *default_policer;
172 
173 	LIST_HEAD(profiles, mrvl_mtr_profile) profiles;
174 	LIST_HEAD(mtrs, mrvl_mtr) mtrs;
175 	uint32_t used_plcrs;
176 
177 	LIST_HEAD(shaper_profiles, mrvl_tm_shaper_profile) shaper_profiles;
178 	LIST_HEAD(nodes, mrvl_tm_node) nodes;
179 	uint64_t rate_max;
180 };
181 
182 /** Flow operations forward declaration. */
183 extern const struct rte_flow_ops mrvl_flow_ops;
184 
185 /** Meter operations forward declaration. */
186 extern const struct rte_mtr_ops mrvl_mtr_ops;
187 
188 /** Traffic manager operations forward declaration. */
189 extern const struct rte_tm_ops mrvl_tm_ops;
190 
191 /** Current log type. */
192 extern int mrvl_logtype;
193 
194 #define MRVL_LOG(level, fmt, args...) \
195 	rte_log(RTE_LOG_ ## level, mrvl_logtype, "%s(): " fmt "\n", \
196 		__func__, ##args)
197 
198 #endif /* _MRVL_ETHDEV_H_ */
199