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 uint8_t next_udf_id; 96 }; 97 98 struct mrvl_mtr_profile { 99 LIST_ENTRY(mrvl_mtr_profile) next; 100 uint32_t profile_id; 101 int refcnt; 102 struct rte_mtr_meter_profile profile; 103 }; 104 105 struct mrvl_mtr { 106 LIST_ENTRY(mrvl_mtr) next; 107 uint32_t mtr_id; 108 int refcnt; 109 int shared; 110 int enabled; 111 int plcr_bit; 112 struct mrvl_mtr_profile *profile; 113 struct pp2_cls_plcr *plcr; 114 }; 115 116 struct mrvl_tm_shaper_profile { 117 LIST_ENTRY(mrvl_tm_shaper_profile) next; 118 uint32_t id; 119 int refcnt; 120 struct rte_tm_shaper_params params; 121 }; 122 123 enum { 124 MRVL_NODE_PORT, 125 MRVL_NODE_QUEUE, 126 }; 127 128 struct mrvl_tm_node { 129 LIST_ENTRY(mrvl_tm_node) next; 130 uint32_t id; 131 uint32_t type; 132 int refcnt; 133 struct mrvl_tm_node *parent; 134 struct mrvl_tm_shaper_profile *profile; 135 uint8_t weight; 136 uint64_t stats_mask; 137 }; 138 139 struct mrvl_priv { 140 /* Hot fields, used in fast path. */ 141 struct pp2_bpool *bpool; /**< BPool pointer */ 142 struct pp2_ppio *ppio; /**< Port handler pointer */ 143 rte_spinlock_t lock; /**< Spinlock for checking bpool status */ 144 uint16_t bpool_max_size; /**< BPool maximum size */ 145 uint16_t bpool_min_size; /**< BPool minimum size */ 146 uint16_t bpool_init_size; /**< Configured BPool size */ 147 148 /** Mapping for DPDK rx queue->(TC, MRVL relative inq) */ 149 struct { 150 uint8_t tc; /**< Traffic Class */ 151 uint8_t inq; /**< Relative in-queue number */ 152 } rxq_map[MRVL_PP2_RXQ_MAX] __rte_cache_aligned; 153 154 /* Configuration data, used sporadically. */ 155 uint8_t pp_id; 156 uint8_t ppio_id; 157 uint8_t bpool_bit; 158 uint8_t rss_hf_tcp; 159 uint8_t uc_mc_flushed; 160 uint8_t isolated; 161 uint8_t multiseg; 162 uint16_t max_mtu; 163 164 struct pp2_ppio_params ppio_params; 165 struct pp2_cls_qos_tbl_params qos_tbl_params; 166 struct pp2_cls_tbl *qos_tbl; 167 uint16_t nb_rx_queues; 168 169 struct pp2_cls_tbl_params cls_tbl_params; 170 struct pp2_cls_tbl *cls_tbl; 171 LIST_HEAD(mrvl_flows, rte_flow) flows; 172 173 struct pp2_cls_plcr *default_policer; 174 175 LIST_HEAD(profiles, mrvl_mtr_profile) profiles; 176 LIST_HEAD(mtrs, mrvl_mtr) mtrs; 177 uint32_t used_plcrs; 178 179 LIST_HEAD(shaper_profiles, mrvl_tm_shaper_profile) shaper_profiles; 180 LIST_HEAD(nodes, mrvl_tm_node) nodes; 181 uint64_t rate_max; 182 }; 183 184 /** Flow operations forward declaration. */ 185 extern const struct rte_flow_ops mrvl_flow_ops; 186 187 /** Meter operations forward declaration. */ 188 extern const struct rte_mtr_ops mrvl_mtr_ops; 189 190 /** Traffic manager operations forward declaration. */ 191 extern const struct rte_tm_ops mrvl_tm_ops; 192 193 /** Current log type. */ 194 extern int mrvl_logtype; 195 196 #define MRVL_LOG(level, fmt, args...) \ 197 rte_log(RTE_LOG_ ## level, mrvl_logtype, "%s(): " fmt "\n", \ 198 __func__, ##args) 199 200 extern struct pp2_bpool *dummy_pool[PP2_NUM_PKT_PROC]; 201 202 /** 203 * Convert string to uint32_t with extra checks for result correctness. 204 * 205 * @param string String to convert. 206 * @param val Conversion result. 207 * @returns 0 in case of success, negative value otherwise. 208 */ 209 static int 210 get_val_securely(const char *string, uint32_t *val) 211 { 212 char *endptr; 213 size_t len = strlen(string); 214 215 if (len == 0) 216 return -1; 217 218 errno = 0; 219 *val = strtoul(string, &endptr, 0); 220 if (errno != 0 || RTE_PTR_DIFF(endptr, string) != len) 221 return -2; 222 223 return 0; 224 } 225 226 static int 227 get_val_securely8(const char *string, uint32_t base, uint8_t *val) 228 { 229 char *endptr; 230 size_t len = strlen(string); 231 232 if (len == 0) 233 return -1; 234 235 errno = 0; 236 *val = (uint8_t)strtoul(string, &endptr, base); 237 if (errno != 0 || RTE_PTR_DIFF(endptr, string) != len) 238 return -2; 239 240 return 0; 241 } 242 243 #endif /* _MRVL_ETHDEV_H_ */ 244