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 bnxt_sw_tx_bd *tx_buf_ring;
22 rte_iova_t tx_desc_mapping;
24 struct bnxt_ring *tx_ring_struct;
27 struct bnxt_sw_tx_bd {
28 struct rte_mbuf *mbuf; /* mbuf associated with TX descriptor */
29 unsigned short nr_bds;
32 static inline uint32_t bnxt_tx_bds_in_hw(struct bnxt_tx_queue *txq)
34 return ((txq->tx_ring->tx_raw_prod - txq->tx_ring->tx_raw_cons) &
35 txq->tx_ring->tx_ring_struct->ring_mask);
38 static inline uint32_t bnxt_tx_avail(struct bnxt_tx_queue *txq)
40 /* Tell compiler to fetch tx indices from memory. */
41 rte_compiler_barrier();
43 return ((txq->tx_ring->tx_ring_struct->ring_size -
44 bnxt_tx_bds_in_hw(txq)) - 1);
47 void bnxt_free_tx_rings(struct bnxt *bp);
48 int bnxt_init_one_tx_ring(struct bnxt_tx_queue *txq);
49 int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id);
50 uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
52 #if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64)
53 uint16_t bnxt_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
57 int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
58 int bnxt_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id);
59 int bnxt_flush_tx_cmp(struct bnxt_cp_ring_info *cpr);
61 #define PKT_TX_OIP_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
62 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
63 #define PKT_TX_OIP_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \
64 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
65 #define PKT_TX_OIP_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \
66 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
67 #define PKT_TX_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
69 #define PKT_TX_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_IP_CKSUM)
70 #define PKT_TX_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM)
71 #define PKT_TX_OIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
72 PKT_TX_OUTER_IP_CKSUM)
73 #define PKT_TX_OIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \
74 PKT_TX_OUTER_IP_CKSUM)
75 #define PKT_TX_OIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \
76 PKT_TX_OUTER_IP_CKSUM)
77 #define PKT_TX_OIP_IIP_CKSUM (PKT_TX_IP_CKSUM | \
78 PKT_TX_OUTER_IP_CKSUM)
79 #define PKT_TX_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)
82 #define TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
83 TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
84 TX_BD_LONG_LFLAGS_IP_CHKSUM)
85 #define TX_BD_FLG_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
86 TX_BD_LONG_LFLAGS_IP_CHKSUM)
87 #define TX_BD_FLG_TIP_IP_CHKSUM (TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
88 TX_BD_LONG_LFLAGS_IP_CHKSUM)
89 #define TX_BD_FLG_TIP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
90 TX_BD_LONG_LFLAGS_T_IP_CHKSUM)