drivers/net/dpaa2/dpaa2_ethdev.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  *
   3  *   Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved.
   4  *   Copyright 2016-2020 NXP
   5  *
   6  */
   7
   8 #ifndef _DPAA2_ETHDEV_H
   9 #define _DPAA2_ETHDEV_H
  10
  11 #include <rte_event_eth_rx_adapter.h>
  12 #include <rte_pmd_dpaa2.h>
  13
  14 #include <dpaa2_hw_pvt.h>
  15
  16 #include <mc/fsl_dpni.h>
  17 #include <mc/fsl_mc_sys.h>
  18
  19 #define DPAA2_MIN_RX_BUF_SIZE 512
  20 #define DPAA2_MAX_RX_PKT_LEN  10240 /*WRIOP support*/
  21
  22 #define MAX_TCS                 DPNI_MAX_TC
  23 #define MAX_RX_QUEUES           128
  24 #define MAX_TX_QUEUES           16
  25 #define MAX_DPNI                8
  26
  27 #define DPAA2_RX_DEFAULT_NBDESC 512
  28
  29 #define DPAA2_ETH_MAX_LEN (RTE_ETHER_MTU + \
  30                            RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + \
  31                            VLAN_TAG_SIZE)
  32
  33 /*default tc to be used for ,congestion, distribution etc configuration. */
  34 #define DPAA2_DEF_TC            0
  35
  36 /* Threshold for a Tx queue to *Enter* Congestion state.
  37  */
  38 #define CONG_ENTER_TX_THRESHOLD   512
  39
  40 /* Threshold for a queue to *Exit* Congestion state.
  41  */
  42 #define CONG_EXIT_TX_THRESHOLD    480
  43
  44 #define CONG_RETRY_COUNT 18000
  45
  46 /* RX queue tail drop threshold
  47  * currently considering 64 KB packets
  48  */
  49 #define CONG_THRESHOLD_RX_BYTES_Q  (64 * 1024)
  50 #define CONG_RX_OAL     128
  51
  52 /* Size of the input SMMU mapped memory required by MC */
  53 #define DIST_PARAM_IOVA_SIZE 256
  54
  55 /* Enable TX Congestion control support
  56  * default is disable
  57  */
  58 #define DPAA2_TX_CGR_OFF        0x01
  59
  60 /* Disable RX tail drop, default is enable */
  61 #define DPAA2_RX_TAILDROP_OFF   0x04
  62
  63 #define DPAA2_RSS_OFFLOAD_ALL ( \
  64         ETH_RSS_L2_PAYLOAD | \
  65         ETH_RSS_IP | \
  66         ETH_RSS_UDP | \
  67         ETH_RSS_TCP | \
  68         ETH_RSS_SCTP | \
  69         ETH_RSS_MPLS)
  70
  71 /* LX2 FRC Parsed values (Little Endian) */
  72 #define DPAA2_PKT_TYPE_ETHER            0x0060
  73 #define DPAA2_PKT_TYPE_IPV4             0x0000
  74 #define DPAA2_PKT_TYPE_IPV6             0x0020
  75 #define DPAA2_PKT_TYPE_IPV4_EXT \
  76                         (0x0001 | DPAA2_PKT_TYPE_IPV4)
  77 #define DPAA2_PKT_TYPE_IPV6_EXT \
  78                         (0x0001 | DPAA2_PKT_TYPE_IPV6)
  79 #define DPAA2_PKT_TYPE_IPV4_TCP \
  80                         (0x000e | DPAA2_PKT_TYPE_IPV4)
  81 #define DPAA2_PKT_TYPE_IPV6_TCP \
  82                         (0x000e | DPAA2_PKT_TYPE_IPV6)
  83 #define DPAA2_PKT_TYPE_IPV4_UDP \
  84                         (0x0010 | DPAA2_PKT_TYPE_IPV4)
  85 #define DPAA2_PKT_TYPE_IPV6_UDP \
  86                         (0x0010 | DPAA2_PKT_TYPE_IPV6)
  87 #define DPAA2_PKT_TYPE_IPV4_SCTP        \
  88                         (0x000f | DPAA2_PKT_TYPE_IPV4)
  89 #define DPAA2_PKT_TYPE_IPV6_SCTP        \
  90                         (0x000f | DPAA2_PKT_TYPE_IPV6)
  91 #define DPAA2_PKT_TYPE_IPV4_ICMP \
  92                         (0x0003 | DPAA2_PKT_TYPE_IPV4_EXT)
  93 #define DPAA2_PKT_TYPE_IPV6_ICMP \
  94                         (0x0003 | DPAA2_PKT_TYPE_IPV6_EXT)
  95 #define DPAA2_PKT_TYPE_VLAN_1           0x0160
  96 #define DPAA2_PKT_TYPE_VLAN_2           0x0260
  97
  98 /* enable timestamp in mbuf*/
  99 extern bool dpaa2_enable_ts[];
 100 extern uint64_t dpaa2_timestamp_rx_dynflag;
 101 extern int dpaa2_timestamp_dynfield_offset;
 102
 103 #define DPAA2_QOS_TABLE_RECONFIGURE     1
 104 #define DPAA2_FS_TABLE_RECONFIGURE      2
 105
 106 #define DPAA2_QOS_TABLE_IPADDR_EXTRACT 4
 107 #define DPAA2_FS_TABLE_IPADDR_EXTRACT 8
 108
 109 #define DPAA2_FLOW_MAX_KEY_SIZE         16
 110
 111 /*Externaly defined*/
 112 extern const struct rte_flow_ops dpaa2_flow_ops;
 113 extern enum rte_filter_type dpaa2_filter_type;
 114
 115 #define IP_ADDRESS_OFFSET_INVALID (-1)
 116
 117 struct dpaa2_key_info {
 118         uint8_t key_offset[DPKG_MAX_NUM_OF_EXTRACTS];
 119         uint8_t key_size[DPKG_MAX_NUM_OF_EXTRACTS];
 120         /* Special for IP address. */
 121         int ipv4_src_offset;
 122         int ipv4_dst_offset;
 123         int ipv6_src_offset;
 124         int ipv6_dst_offset;
 125         uint8_t key_total_size;
 126 };
 127
 128 struct dpaa2_key_extract {
 129         struct dpkg_profile_cfg dpkg;
 130         struct dpaa2_key_info key_info;
 131 };
 132
 133 struct extract_s {
 134         struct dpaa2_key_extract qos_key_extract;
 135         struct dpaa2_key_extract tc_key_extract[MAX_TCS];
 136         uint64_t qos_extract_param;
 137         uint64_t tc_extract_param[MAX_TCS];
 138 };
 139
 140 struct dpaa2_dev_priv {
 141         void *hw;
 142         int32_t hw_id;
 143         int32_t qdid;
 144         uint16_t token;
 145         uint8_t nb_tx_queues;
 146         uint8_t nb_rx_queues;
 147         uint32_t options;
 148         void *rx_vq[MAX_RX_QUEUES];
 149         void *tx_vq[MAX_TX_QUEUES];
 150         struct dpaa2_bp_list *bp_list; /**<Attached buffer pool list */
 151         void *tx_conf_vq[MAX_TX_QUEUES];
 152         uint8_t tx_conf_en;
 153         uint8_t max_mac_filters;
 154         uint8_t max_vlan_filters;
 155         uint8_t num_rx_tc;
 156         uint16_t qos_entries;
 157         uint16_t fs_entries;
 158         uint8_t dist_queues;
 159         uint8_t flags; /*dpaa2 config flags */
 160         uint8_t en_ordered;
 161         uint8_t en_loose_ordered;
 162         uint8_t max_cgs;
 163         uint8_t cgid_in_use[MAX_RX_QUEUES];
 164
 165         struct extract_s extract;
 166
 167         uint16_t ss_offset;
 168         uint64_t ss_iova;
 169         uint64_t ss_param_iova;
 170         /*stores timestamp of last received packet on dev*/
 171         uint64_t rx_timestamp;
 172         /*stores timestamp of last received tx confirmation packet on dev*/
 173         uint64_t tx_timestamp;
 174         /* stores pointer to next tx_conf queue that should be processed,
 175          * it corresponds to last packet transmitted
 176          */
 177         struct dpaa2_queue *next_tx_conf_queue;
 178
 179         struct rte_eth_dev *eth_dev; /**< Pointer back to holding ethdev */
 180
 181         LIST_HEAD(, rte_flow) flows; /**< Configured flow rule handles. */
 182 };
 183
 184 int dpaa2_distset_to_dpkg_profile_cfg(uint64_t req_dist_set,
 185                                       struct dpkg_profile_cfg *kg_cfg);
 186
 187 int dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev,
 188                 uint64_t req_dist_set, int tc_index);
 189
 190 int dpaa2_remove_flow_dist(struct rte_eth_dev *eth_dev,
 191                            uint8_t tc_index);
 192
 193 int dpaa2_attach_bp_list(struct dpaa2_dev_priv *priv, void *blist);
 194
 195 __rte_internal
 196 int dpaa2_eth_eventq_attach(const struct rte_eth_dev *dev,
 197                 int eth_rx_queue_id,
 198                 struct dpaa2_dpcon_dev *dpcon,
 199                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
 200
 201 __rte_internal
 202 int dpaa2_eth_eventq_detach(const struct rte_eth_dev *dev,
 203                 int eth_rx_queue_id);
 204
 205 uint16_t dpaa2_dev_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
 206
 207 uint16_t dpaa2_dev_loopback_rx(void *queue, struct rte_mbuf **bufs,
 208                                 uint16_t nb_pkts);
 209
 210 uint16_t dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs,
 211                                uint16_t nb_pkts);
 212 void dpaa2_dev_process_parallel_event(struct qbman_swp *swp,
 213                                       const struct qbman_fd *fd,
 214                                       const struct qbman_result *dq,
 215                                       struct dpaa2_queue *rxq,
 216                                       struct rte_event *ev);
 217 void dpaa2_dev_process_atomic_event(struct qbman_swp *swp,
 218                                     const struct qbman_fd *fd,
 219                                     const struct qbman_result *dq,
 220                                     struct dpaa2_queue *rxq,
 221                                     struct rte_event *ev);
 222 void dpaa2_dev_process_ordered_event(struct qbman_swp *swp,
 223                                      const struct qbman_fd *fd,
 224                                      const struct qbman_result *dq,
 225                                      struct dpaa2_queue *rxq,
 226                                      struct rte_event *ev);
 227 uint16_t dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
 228 uint16_t dpaa2_dev_tx_ordered(void *queue, struct rte_mbuf **bufs,
 229                               uint16_t nb_pkts);
 230 uint16_t dummy_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
 231 void dpaa2_dev_free_eqresp_buf(uint16_t eqresp_ci);
 232 void dpaa2_flow_clean(struct rte_eth_dev *dev);
 233 uint16_t dpaa2_dev_tx_conf(void *queue)  __rte_unused;
 234
 235 int dpaa2_timesync_enable(struct rte_eth_dev *dev);
 236 int dpaa2_timesync_disable(struct rte_eth_dev *dev);
 237 int dpaa2_timesync_read_time(struct rte_eth_dev *dev,
 238                                         struct timespec *timestamp);
 239 int dpaa2_timesync_write_time(struct rte_eth_dev *dev,
 240                                         const struct timespec *timestamp);
 241 int dpaa2_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta);
 242 int dpaa2_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
 243                                                 struct timespec *timestamp,
 244                                                 uint32_t flags __rte_unused);
 245 int dpaa2_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
 246                                           struct timespec *timestamp);
 247 #endif /* _DPAA2_ETHDEV_H */