1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2021 Broadcom
11 #define BNXT_MAX_TSO_SEGS 32
12 #define BNXT_MIN_PKT_SIZE 52
14 struct bnxt_tx_ring_info {
17 struct bnxt_db_info tx_db;
19 struct tx_bd_long *tx_desc_ring;
20 struct rte_mbuf **tx_buf_ring;
22 rte_iova_t tx_desc_mapping;
24 struct bnxt_ring *tx_ring_struct;
27 static inline uint32_t bnxt_tx_bds_in_hw(struct bnxt_tx_queue *txq)
29 return ((txq->tx_ring->tx_raw_prod - txq->tx_ring->tx_raw_cons) &
30 txq->tx_ring->tx_ring_struct->ring_mask);
33 static inline uint32_t bnxt_tx_avail(struct bnxt_tx_queue *txq)
35 /* Tell compiler to fetch tx indices from memory. */
36 rte_compiler_barrier();
38 return ((txq->tx_ring->tx_ring_struct->ring_size -
39 bnxt_tx_bds_in_hw(txq)) - 1);
42 void bnxt_free_tx_rings(struct bnxt *bp);
43 int bnxt_init_one_tx_ring(struct bnxt_tx_queue *txq);
44 int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id);
45 uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
47 #if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64)
48 uint16_t bnxt_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
52 int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
53 int bnxt_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id);
54 int bnxt_flush_tx_cmp(struct bnxt_cp_ring_info *cpr);
56 #define PKT_TX_OIP_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
57 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
58 #define PKT_TX_OIP_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \
59 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
60 #define PKT_TX_OIP_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \
61 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
62 #define PKT_TX_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
64 #define PKT_TX_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_IP_CKSUM)
65 #define PKT_TX_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM)
66 #define PKT_TX_OIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
67 PKT_TX_OUTER_IP_CKSUM)
68 #define PKT_TX_OIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \
69 PKT_TX_OUTER_IP_CKSUM)
70 #define PKT_TX_OIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \
71 PKT_TX_OUTER_IP_CKSUM)
72 #define PKT_TX_OIP_IIP_CKSUM (PKT_TX_IP_CKSUM | \
73 PKT_TX_OUTER_IP_CKSUM)
74 #define PKT_TX_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)
77 #define TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
78 TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
79 TX_BD_LONG_LFLAGS_IP_CHKSUM)
80 #define TX_BD_FLG_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
81 TX_BD_LONG_LFLAGS_IP_CHKSUM)
82 #define TX_BD_FLG_TIP_IP_CHKSUM (TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
83 TX_BD_LONG_LFLAGS_IP_CHKSUM)
84 #define TX_BD_FLG_TIP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
85 TX_BD_LONG_LFLAGS_T_IP_CHKSUM)