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 #define MRVL_BURST_SIZE 64 86 87 /** PMD-specific definition of a flow rule handle. */ 88 struct mrvl_mtr; 89 struct rte_flow { 90 LIST_ENTRY(rte_flow) next; 91 struct mrvl_mtr *mtr; 92 93 struct pp2_cls_tbl_key table_key; 94 struct pp2_cls_tbl_rule rule; 95 struct pp2_cls_cos_desc cos; 96 struct pp2_cls_tbl_action action; 97 uint8_t next_udf_id; 98 }; 99 100 struct mrvl_mtr_profile { 101 LIST_ENTRY(mrvl_mtr_profile) next; 102 uint32_t profile_id; 103 int refcnt; 104 struct rte_mtr_meter_profile profile; 105 }; 106 107 struct mrvl_mtr { 108 LIST_ENTRY(mrvl_mtr) next; 109 uint32_t mtr_id; 110 int refcnt; 111 int shared; 112 int enabled; 113 int plcr_bit; 114 struct mrvl_mtr_profile *profile; 115 struct pp2_cls_plcr *plcr; 116 }; 117 118 struct mrvl_tm_shaper_profile { 119 LIST_ENTRY(mrvl_tm_shaper_profile) next; 120 uint32_t id; 121 int refcnt; 122 struct rte_tm_shaper_params params; 123 }; 124 125 enum { 126 MRVL_NODE_PORT, 127 MRVL_NODE_QUEUE, 128 }; 129 130 struct mrvl_tm_node { 131 LIST_ENTRY(mrvl_tm_node) next; 132 uint32_t id; 133 uint32_t type; 134 int refcnt; 135 struct mrvl_tm_node *parent; 136 struct mrvl_tm_shaper_profile *profile; 137 uint8_t weight; 138 uint64_t stats_mask; 139 }; 140 141 struct mrvl_priv { 142 /* Hot fields, used in fast path. */ 143 struct pp2_bpool *bpool; /**< BPool pointer */ 144 struct pp2_ppio *ppio; /**< Port handler pointer */ 145 rte_spinlock_t lock; /**< Spinlock for checking bpool status */ 146 uint16_t bpool_max_size; /**< BPool maximum size */ 147 uint16_t bpool_min_size; /**< BPool minimum size */ 148 uint16_t bpool_init_size; /**< Configured BPool size */ 149 150 /** Mapping for DPDK rx queue->(TC, MRVL relative inq) */ 151 struct { 152 uint8_t tc; /**< Traffic Class */ 153 uint8_t inq; /**< Relative in-queue number */ 154 } rxq_map[MRVL_PP2_RXQ_MAX] __rte_cache_aligned; 155 156 /* Configuration data, used sporadically. */ 157 uint8_t pp_id; 158 uint8_t ppio_id; 159 uint8_t bpool_bit; 160 uint8_t rss_hf_tcp; 161 uint8_t uc_mc_flushed; 162 uint8_t isolated; 163 uint8_t multiseg; 164 uint16_t max_mtu; 165 uint8_t flow_ctrl; 166 struct rte_eth_fc_conf fc_conf; 167 168 struct pp2_ppio_params ppio_params; 169 struct pp2_cls_qos_tbl_params qos_tbl_params; 170 struct pp2_cls_tbl *qos_tbl; 171 uint16_t nb_rx_queues; 172 173 struct pp2_cls_tbl_params cls_tbl_params; 174 struct pp2_cls_tbl *cls_tbl; 175 LIST_HEAD(mrvl_flows, rte_flow) flows; 176 177 struct pp2_cls_plcr *default_policer; 178 179 LIST_HEAD(profiles, mrvl_mtr_profile) profiles; 180 LIST_HEAD(mtrs, mrvl_mtr) mtrs; 181 uint32_t used_plcrs; 182 183 LIST_HEAD(shaper_profiles, mrvl_tm_shaper_profile) shaper_profiles; 184 LIST_HEAD(nodes, mrvl_tm_node) nodes; 185 uint64_t rate_max; 186 187 uint8_t forward_bad_frames; 188 uint32_t fill_bpool_buffs; 189 }; 190 191 /** Flow operations forward declaration. */ 192 extern const struct rte_flow_ops mrvl_flow_ops; 193 194 /** Meter operations forward declaration. */ 195 extern const struct rte_mtr_ops mrvl_mtr_ops; 196 197 /** Traffic manager operations forward declaration. */ 198 extern const struct rte_tm_ops mrvl_tm_ops; 199 200 /** Current log type. */ 201 extern int mrvl_logtype; 202 203 #define MRVL_LOG(level, fmt, args...) \ 204 rte_log(RTE_LOG_ ## level, mrvl_logtype, "%s(): " fmt "\n", \ 205 __func__, ##args) 206 207 extern struct pp2_bpool *dummy_pool[PP2_NUM_PKT_PROC]; 208 209 /** 210 * Convert string to uint32_t with extra checks for result correctness. 211 * 212 * @param string String to convert. 213 * @param val Conversion result. 214 * @returns 0 in case of success, negative value otherwise. 215 */ 216 static int 217 get_val_securely(const char *string, uint32_t *val) 218 { 219 char *endptr; 220 size_t len = strlen(string); 221 222 if (len == 0) 223 return -1; 224 225 errno = 0; 226 *val = strtoul(string, &endptr, 0); 227 if (errno != 0 || RTE_PTR_DIFF(endptr, string) != len) 228 return -2; 229 230 return 0; 231 } 232 233 static int 234 get_val_securely8(const char *string, uint32_t base, uint8_t *val) 235 { 236 char *endptr; 237 size_t len = strlen(string); 238 239 if (len == 0) 240 return -1; 241 242 errno = 0; 243 *val = (uint8_t)strtoul(string, &endptr, base); 244 if (errno != 0 || RTE_PTR_DIFF(endptr, string) != len) 245 return -2; 246 247 return 0; 248 } 249 250 #endif /* _MRVL_ETHDEV_H_ */ 251