ceph/src/seastar/dpdk/drivers/net/bnxt/bnxt_txr.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2018 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #ifndef _BNXT_TXR_H_
   7 #define _BNXT_TXR_H_
   8
   9 #include <rte_io.h>
  10
  11 #define MAX_TX_RINGS    16
  12 #define BNXT_TX_PUSH_THRESH 92
  13
  14 #define B_TX_DB(db, prod)       rte_write32((DB_KEY_TX | (prod)), db)
  15
  16 struct bnxt_tx_ring_info {
  17         uint16_t                tx_prod;
  18         uint16_t                tx_cons;
  19         void                    *tx_doorbell;
  20
  21         struct tx_bd_long       *tx_desc_ring;
  22         struct bnxt_sw_tx_bd    *tx_buf_ring;
  23
  24         rte_iova_t              tx_desc_mapping;
  25
  26 #define BNXT_DEV_STATE_CLOSING  0x1
  27         uint32_t                dev_state;
  28
  29         struct bnxt_ring        *tx_ring_struct;
  30 };
  31
  32 struct bnxt_sw_tx_bd {
  33         struct rte_mbuf         *mbuf; /* mbuf associated with TX descriptor */
  34         uint8_t                 is_gso;
  35         unsigned short          nr_bds;
  36 };
  37
  38 void bnxt_free_tx_rings(struct bnxt *bp);
  39 int bnxt_init_one_tx_ring(struct bnxt_tx_queue *txq);
  40 int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id);
  41 uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
  42                                uint16_t nb_pkts);
  43 int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
  44 int bnxt_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id);
  45
  46 #define PKT_TX_OIP_IIP_TCP_UDP_CKSUM    (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
  47                                         PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
  48 #define PKT_TX_OIP_IIP_UDP_CKSUM        (PKT_TX_UDP_CKSUM | \
  49                                         PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
  50 #define PKT_TX_OIP_IIP_TCP_CKSUM        (PKT_TX_TCP_CKSUM | \
  51                                         PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
  52 #define PKT_TX_IIP_TCP_UDP_CKSUM        (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
  53                                         PKT_TX_IP_CKSUM)
  54 #define PKT_TX_IIP_TCP_CKSUM            (PKT_TX_TCP_CKSUM | PKT_TX_IP_CKSUM)
  55 #define PKT_TX_IIP_UDP_CKSUM            (PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM)
  56 #define PKT_TX_OIP_TCP_UDP_CKSUM        (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
  57                                         PKT_TX_OUTER_IP_CKSUM)
  58 #define PKT_TX_OIP_UDP_CKSUM            (PKT_TX_UDP_CKSUM | \
  59                                         PKT_TX_OUTER_IP_CKSUM)
  60 #define PKT_TX_OIP_TCP_CKSUM            (PKT_TX_TCP_CKSUM | \
  61                                         PKT_TX_OUTER_IP_CKSUM)
  62 #define PKT_TX_OIP_IIP_CKSUM            (PKT_TX_IP_CKSUM |      \
  63                                          PKT_TX_OUTER_IP_CKSUM)
  64 #define PKT_TX_TCP_UDP_CKSUM            (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)
  65
  66
  67 #define TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
  68                                         TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
  69                                         TX_BD_LONG_LFLAGS_IP_CHKSUM)
  70 #define TX_BD_FLG_IP_TCP_UDP_CHKSUM     (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
  71                                         TX_BD_LONG_LFLAGS_IP_CHKSUM)
  72 #define TX_BD_FLG_TIP_IP_CHKSUM         (TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
  73                                         TX_BD_LONG_LFLAGS_IP_CHKSUM)
  74 #define TX_BD_FLG_TIP_TCP_UDP_CHKSUM    (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
  75                                         TX_BD_LONG_LFLAGS_T_IP_CHKSUM)
  76
  77 #endif