1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2014-2021 Broadcom 3 * All rights reserved. 4 */ 5 6 #ifndef _BNXT_TXR_H_ 7 #define _BNXT_TXR_H_ 8 9 #include <rte_io.h> 10 11 #define BNXT_MAX_TSO_SEGS 32 12 #define BNXT_MIN_PKT_SIZE 52 13 14 /* Number of transmit descriptors processed per inner loop in vector mode. */ 15 #define BNXT_TX_DESCS_PER_LOOP 4U 16 17 struct bnxt_tx_ring_info { 18 uint16_t tx_raw_prod; 19 uint16_t tx_raw_cons; 20 struct bnxt_db_info tx_db; 21 22 struct tx_bd_long *tx_desc_ring; 23 struct rte_mbuf **tx_buf_ring; 24 25 rte_iova_t tx_desc_mapping; 26 27 struct bnxt_ring *tx_ring_struct; 28 }; 29 bnxt_tx_bds_in_hw(struct bnxt_tx_queue * txq)30static inline uint32_t bnxt_tx_bds_in_hw(struct bnxt_tx_queue *txq) 31 { 32 return ((txq->tx_ring->tx_raw_prod - txq->tx_ring->tx_raw_cons) & 33 txq->tx_ring->tx_ring_struct->ring_mask); 34 } 35 bnxt_tx_avail(struct bnxt_tx_queue * txq)36static inline uint32_t bnxt_tx_avail(struct bnxt_tx_queue *txq) 37 { 38 /* Tell compiler to fetch tx indices from memory. */ 39 rte_compiler_barrier(); 40 41 return ((txq->tx_ring->tx_ring_struct->ring_size - 42 bnxt_tx_bds_in_hw(txq)) - 1); 43 } 44 45 void bnxt_free_tx_rings(struct bnxt *bp); 46 int bnxt_init_one_tx_ring(struct bnxt_tx_queue *txq); 47 int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id); 48 uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, 49 uint16_t nb_pkts); 50 #if defined(RTE_ARCH_X86) || defined(RTE_ARCH_ARM64) 51 uint16_t bnxt_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts, 52 uint16_t nb_pkts); 53 #endif 54 #if defined(RTE_ARCH_X86) && defined(CC_AVX2_SUPPORT) 55 uint16_t bnxt_xmit_pkts_vec_avx2(void *tx_queue, struct rte_mbuf **tx_pkts, 56 uint16_t nb_pkts); 57 #endif 58 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); 61 int bnxt_flush_tx_cmp(struct bnxt_cp_ring_info *cpr); 62 63 #define PKT_TX_OIP_IIP_TCP_UDP_CKSUM (RTE_MBUF_F_TX_TCP_CKSUM | RTE_MBUF_F_TX_UDP_CKSUM | \ 64 RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_OUTER_IP_CKSUM) 65 #define PKT_TX_OIP_IIP_UDP_CKSUM (RTE_MBUF_F_TX_UDP_CKSUM | \ 66 RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_OUTER_IP_CKSUM) 67 #define PKT_TX_OIP_IIP_TCP_CKSUM (RTE_MBUF_F_TX_TCP_CKSUM | \ 68 RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_OUTER_IP_CKSUM) 69 #define PKT_TX_IIP_TCP_UDP_CKSUM (RTE_MBUF_F_TX_TCP_CKSUM | RTE_MBUF_F_TX_UDP_CKSUM | \ 70 RTE_MBUF_F_TX_IP_CKSUM) 71 #define PKT_TX_IIP_TCP_CKSUM (RTE_MBUF_F_TX_TCP_CKSUM | RTE_MBUF_F_TX_IP_CKSUM) 72 #define PKT_TX_IIP_UDP_CKSUM (RTE_MBUF_F_TX_UDP_CKSUM | RTE_MBUF_F_TX_IP_CKSUM) 73 #define PKT_TX_OIP_TCP_UDP_CKSUM (RTE_MBUF_F_TX_TCP_CKSUM | RTE_MBUF_F_TX_UDP_CKSUM | \ 74 RTE_MBUF_F_TX_OUTER_IP_CKSUM) 75 #define PKT_TX_OIP_UDP_CKSUM (RTE_MBUF_F_TX_UDP_CKSUM | \ 76 RTE_MBUF_F_TX_OUTER_IP_CKSUM) 77 #define PKT_TX_OIP_TCP_CKSUM (RTE_MBUF_F_TX_TCP_CKSUM | \ 78 RTE_MBUF_F_TX_OUTER_IP_CKSUM) 79 #define PKT_TX_OIP_IIP_CKSUM (RTE_MBUF_F_TX_IP_CKSUM | \ 80 RTE_MBUF_F_TX_OUTER_IP_CKSUM) 81 #define PKT_TX_TCP_UDP_CKSUM (RTE_MBUF_F_TX_TCP_CKSUM | RTE_MBUF_F_TX_UDP_CKSUM) 82 83 84 #define TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \ 85 TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \ 86 TX_BD_LONG_LFLAGS_IP_CHKSUM) 87 #define TX_BD_FLG_IP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \ 88 TX_BD_LONG_LFLAGS_IP_CHKSUM) 89 #define TX_BD_FLG_TIP_IP_CHKSUM (TX_BD_LONG_LFLAGS_T_IP_CHKSUM | \ 90 TX_BD_LONG_LFLAGS_IP_CHKSUM) 91 #define TX_BD_FLG_TIP_TCP_UDP_CHKSUM (TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM | \ 92 TX_BD_LONG_LFLAGS_T_IP_CHKSUM) 93 94 #endif 95