1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2018 Broadcom
11 #define MAX_TX_RINGS 16
12 #define BNXT_TX_PUSH_THRESH 92
13 #define BNXT_MAX_TSO_SEGS 32
14 #define BNXT_MIN_PKT_SIZE 52
16 #define B_TX_DB(db, prod) rte_write32((DB_KEY_TX | (prod)), db)
18 struct bnxt_tx_ring_info {
23 struct tx_bd_long *tx_desc_ring;
24 struct bnxt_sw_tx_bd *tx_buf_ring;
26 rte_iova_t tx_desc_mapping;
28 #define BNXT_DEV_STATE_CLOSING 0x1
31 struct bnxt_ring *tx_ring_struct;
34 struct bnxt_sw_tx_bd {
35 struct rte_mbuf *mbuf; /* mbuf associated with TX descriptor */
37 unsigned short nr_bds;
40 void bnxt_free_tx_rings(struct bnxt *bp);
41 int bnxt_init_one_tx_ring(struct bnxt_tx_queue *txq);
42 int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id);
43 uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
45 int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
46 int bnxt_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id);
48 #define PKT_TX_OIP_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
49 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
50 #define PKT_TX_OIP_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \
51 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
52 #define PKT_TX_OIP_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \
53 PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM)
54 #define PKT_TX_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
56 #define PKT_TX_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_IP_CKSUM)
57 #define PKT_TX_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM)
58 #define PKT_TX_OIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \
59 PKT_TX_OUTER_IP_CKSUM)
60 #define PKT_TX_OIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \
61 PKT_TX_OUTER_IP_CKSUM)
62 #define PKT_TX_OIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \
63 PKT_TX_OUTER_IP_CKSUM)
64 #define PKT_TX_OIP_IIP_CKSUM (PKT_TX_IP_CKSUM | \
65 PKT_TX_OUTER_IP_CKSUM)
66 #define PKT_TX_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)
69 #define TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
70 TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
71 TX_BD_LONG_LFLAGS_IP_CHKSUM)
72 #define TX_BD_FLG_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
73 TX_BD_LONG_LFLAGS_IP_CHKSUM)
74 #define TX_BD_FLG_TIP_IP_CHKSUM (TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \
75 TX_BD_LONG_LFLAGS_IP_CHKSUM)
76 #define TX_BD_FLG_TIP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \
77 TX_BD_LONG_LFLAGS_T_IP_CHKSUM)