1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2018 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_prod - txq->tx_ring->tx_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 uint16_t bnxt_dummy_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
54 #if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64)
55 uint16_t bnxt_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
59 int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
60 int bnxt_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id);
62 #define PKT_TX_OIP_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
63 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
64 #define PKT_TX_OIP_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \
65 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
66 #define PKT_TX_OIP_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \
67 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
68 #define PKT_TX_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
70 #define PKT_TX_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_IP_CKSUM)
71 #define PKT_TX_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM)
72 #define PKT_TX_OIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
73 PKT_TX_OUTER_IP_CKSUM)
74 #define PKT_TX_OIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \
75 PKT_TX_OUTER_IP_CKSUM)
76 #define PKT_TX_OIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \
77 PKT_TX_OUTER_IP_CKSUM)
78 #define PKT_TX_OIP_IIP_CKSUM (PKT_TX_IP_CKSUM | \
79 PKT_TX_OUTER_IP_CKSUM)
80 #define PKT_TX_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)
83 #define TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
84 TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
85 TX_BD_LONG_LFLAGS_IP_CHKSUM)
86 #define TX_BD_FLG_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
87 TX_BD_LONG_LFLAGS_IP_CHKSUM)
88 #define TX_BD_FLG_TIP_IP_CHKSUM (TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
89 TX_BD_LONG_LFLAGS_IP_CHKSUM)
90 #define TX_BD_FLG_TIP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
91 TX_BD_LONG_LFLAGS_T_IP_CHKSUM)