1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2016 Cavium, Inc 3 */ 4 5 #ifndef __THUNDERX_NICVF_ETHDEV_H__ 6 #define __THUNDERX_NICVF_ETHDEV_H__ 7 8 #include <ethdev_driver.h> 9 10 #define THUNDERX_NICVF_PMD_VERSION "2.0" 11 #define THUNDERX_REG_BYTES 8 12 13 #define NICVF_INTR_POLL_INTERVAL_MS 50 14 #define NICVF_HALF_DUPLEX 0x00 15 #define NICVF_FULL_DUPLEX 0x01 16 #define NICVF_UNKNOWN_DUPLEX 0xff 17 18 #define NICVF_RSS_OFFLOAD_PASS1 ( \ 19 ETH_RSS_PORT | \ 20 ETH_RSS_IPV4 | \ 21 ETH_RSS_NONFRAG_IPV4_TCP | \ 22 ETH_RSS_NONFRAG_IPV4_UDP | \ 23 ETH_RSS_IPV6 | \ 24 ETH_RSS_NONFRAG_IPV6_TCP | \ 25 ETH_RSS_NONFRAG_IPV6_UDP) 26 27 #define NICVF_RSS_OFFLOAD_TUNNEL ( \ 28 ETH_RSS_VXLAN | \ 29 ETH_RSS_GENEVE | \ 30 ETH_RSS_NVGRE) 31 32 #define NICVF_TX_OFFLOAD_CAPA ( \ 33 DEV_TX_OFFLOAD_IPV4_CKSUM | \ 34 DEV_TX_OFFLOAD_UDP_CKSUM | \ 35 DEV_TX_OFFLOAD_TCP_CKSUM | \ 36 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM | \ 37 DEV_TX_OFFLOAD_MBUF_FAST_FREE | \ 38 DEV_TX_OFFLOAD_MULTI_SEGS) 39 40 #define NICVF_RX_OFFLOAD_CAPA ( \ 41 DEV_RX_OFFLOAD_CHECKSUM | \ 42 DEV_RX_OFFLOAD_VLAN_STRIP | \ 43 DEV_RX_OFFLOAD_SCATTER | \ 44 DEV_RX_OFFLOAD_RSS_HASH) 45 46 #define NICVF_DEFAULT_RX_FREE_THRESH 224 47 #define NICVF_DEFAULT_TX_FREE_THRESH 224 48 #define NICVF_TX_FREE_MPOOL_THRESH 16 49 #define NICVF_MAX_RX_FREE_THRESH 1024 50 #define NICVF_MAX_TX_FREE_THRESH 1024 51 52 #define VLAN_TAG_SIZE 4 /* 802.3ac tag */ 53 54 #define SKIP_DATA_BYTES "skip_data_bytes" 55 static inline struct nicvf * 56 nicvf_pmd_priv(struct rte_eth_dev *eth_dev) 57 { 58 return eth_dev->data->dev_private; 59 } 60 61 static inline uint64_t 62 nicvf_mempool_phy_offset(struct rte_mempool *mp) 63 { 64 struct rte_mempool_memhdr *hdr; 65 66 hdr = STAILQ_FIRST(&mp->mem_list); 67 assert(hdr != NULL); 68 return (uint64_t)((uintptr_t)hdr->addr - hdr->iova); 69 } 70 71 static inline uint16_t 72 nicvf_mbuff_meta_length(struct rte_mbuf *mbuf) 73 { 74 return (uint16_t)((uintptr_t)mbuf->buf_addr - (uintptr_t)mbuf); 75 } 76 77 static inline uint16_t 78 nicvf_netdev_qidx(struct nicvf *nic, uint8_t local_qidx) 79 { 80 uint16_t global_qidx = local_qidx; 81 82 if (nic->sqs_mode) 83 global_qidx += ((nic->sqs_id + 1) * MAX_CMP_QUEUES_PER_QS); 84 85 return global_qidx; 86 } 87 88 /* 89 * Simple phy2virt functions assuming mbufs are in a single huge page 90 * V = P + offset 91 * P = V - offset 92 */ 93 static inline uintptr_t 94 nicvf_mbuff_phy2virt(rte_iova_t phy, uint64_t mbuf_phys_off) 95 { 96 return (uintptr_t)(phy + mbuf_phys_off); 97 } 98 99 static inline uintptr_t 100 nicvf_mbuff_virt2phy(uintptr_t virt, uint64_t mbuf_phys_off) 101 { 102 return (rte_iova_t)(virt - mbuf_phys_off); 103 } 104 105 static inline void 106 nicvf_tx_range(struct rte_eth_dev *dev, struct nicvf *nic, uint16_t *tx_start, 107 uint16_t *tx_end) 108 { 109 uint16_t tmp; 110 111 *tx_start = RTE_ALIGN_FLOOR(nicvf_netdev_qidx(nic, 0), 112 MAX_SND_QUEUES_PER_QS); 113 tmp = RTE_ALIGN_CEIL(nicvf_netdev_qidx(nic, 0) + 1, 114 MAX_SND_QUEUES_PER_QS) - 1; 115 *tx_end = dev->data->nb_tx_queues ? 116 RTE_MIN(tmp, dev->data->nb_tx_queues - 1) : 0; 117 } 118 119 static inline void 120 nicvf_rx_range(struct rte_eth_dev *dev, struct nicvf *nic, uint16_t *rx_start, 121 uint16_t *rx_end) 122 { 123 uint16_t tmp; 124 125 *rx_start = RTE_ALIGN_FLOOR(nicvf_netdev_qidx(nic, 0), 126 MAX_RCV_QUEUES_PER_QS); 127 tmp = RTE_ALIGN_CEIL(nicvf_netdev_qidx(nic, 0) + 1, 128 MAX_RCV_QUEUES_PER_QS) - 1; 129 *rx_end = dev->data->nb_rx_queues ? 130 RTE_MIN(tmp, dev->data->nb_rx_queues - 1) : 0; 131 } 132 133 #endif /* __THUNDERX_NICVF_ETHDEV_H__ */ 134