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/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2014-2021 Broadcom * All rights reserved. */ #ifndef _BNXT_TXR_H_ #define _BNXT_TXR_H_ #include <rte_io.h> #define BNXT_MAX_TSO_SEGS 32 #define BNXT_MIN_PKT_SIZE 52 struct bnxt_tx_ring_info { uint16_t tx_raw_prod; uint16_t tx_raw_cons; struct bnxt_db_info tx_db; struct tx_bd_long *tx_desc_ring; struct bnxt_sw_tx_bd *tx_buf_ring; rte_iova_t tx_desc_mapping; struct bnxt_ring *tx_ring_struct; }; struct bnxt_sw_tx_bd { struct rte_mbuf *mbuf; /* mbuf associated with TX descriptor */ unsigned short nr_bds; }; static inline uint32_t bnxt_tx_bds_in_hw(struct bnxt_tx_queue *txq) { return ((txq->tx_ring->tx_raw_prod - txq->tx_ring->tx_raw_cons) & txq->tx_ring->tx_ring_struct->ring_mask); } static inline uint32_t bnxt_tx_avail(struct bnxt_tx_queue *txq) { /* Tell compiler to fetch tx indices from memory. */ rte_compiler_barrier(); return ((txq->tx_ring->tx_ring_struct->ring_size - bnxt_tx_bds_in_hw(txq)) - 1); } void bnxt_free_tx_rings(struct bnxt *bp); int bnxt_init_one_tx_ring(struct bnxt_tx_queue *txq); int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id); uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); #if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64) uint16_t bnxt_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); #endif int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id); int bnxt_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id); #define PKT_TX_OIP_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \ PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM) #define PKT_TX_OIP_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \ PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM) #define PKT_TX_OIP_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \ PKT_TX_IP_CKSUM | PKT_TX_OUTER_IP_CKSUM) #define PKT_TX_IIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \ PKT_TX_IP_CKSUM) #define PKT_TX_IIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_IP_CKSUM) #define PKT_TX_IIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM) #define PKT_TX_OIP_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | \ PKT_TX_OUTER_IP_CKSUM) #define PKT_TX_OIP_UDP_CKSUM (PKT_TX_UDP_CKSUM | \ PKT_TX_OUTER_IP_CKSUM) #define PKT_TX_OIP_TCP_CKSUM (PKT_TX_TCP_CKSUM | \ PKT_TX_OUTER_IP_CKSUM) #define PKT_TX_OIP_IIP_CKSUM (PKT_TX_IP_CKSUM | \ PKT_TX_OUTER_IP_CKSUM) #define PKT_TX_TCP_UDP_CKSUM (PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM) #define TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \ TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \ TX_BD_LONG_LFLAGS_IP_CHKSUM) #define TX_BD_FLG_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \ TX_BD_LONG_LFLAGS_IP_CHKSUM) #define TX_BD_FLG_TIP_IP_CHKSUM (TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \ TX_BD_LONG_LFLAGS_IP_CHKSUM) #define TX_BD_FLG_TIP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \ TX_BD_LONG_LFLAGS_T_IP_CHKSUM) #endif
