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_JUMBO_FRAME | \ 44 DEV_RX_OFFLOAD_SCATTER | \ 45 DEV_RX_OFFLOAD_RSS_HASH) 46 47 #define NICVF_DEFAULT_RX_FREE_THRESH 224 48 #define NICVF_DEFAULT_TX_FREE_THRESH 224 49 #define NICVF_TX_FREE_MPOOL_THRESH 16 50 #define NICVF_MAX_RX_FREE_THRESH 1024 51 #define NICVF_MAX_TX_FREE_THRESH 1024 52 53 #define VLAN_TAG_SIZE 4 /* 802.3ac tag */ 54 55 #define SKIP_DATA_BYTES "skip_data_bytes" 56 static inline struct nicvf * 57 nicvf_pmd_priv(struct rte_eth_dev *eth_dev) 58 { 59 return eth_dev->data->dev_private; 60 } 61 62 static inline uint64_t 63 nicvf_mempool_phy_offset(struct rte_mempool *mp) 64 { 65 struct rte_mempool_memhdr *hdr; 66 67 hdr = STAILQ_FIRST(&mp->mem_list); 68 assert(hdr != NULL); 69 return (uint64_t)((uintptr_t)hdr->addr - hdr->iova); 70 } 71 72 static inline uint16_t 73 nicvf_mbuff_meta_length(struct rte_mbuf *mbuf) 74 { 75 return (uint16_t)((uintptr_t)mbuf->buf_addr - (uintptr_t)mbuf); 76 } 77 78 static inline uint16_t 79 nicvf_netdev_qidx(struct nicvf *nic, uint8_t local_qidx) 80 { 81 uint16_t global_qidx = local_qidx; 82 83 if (nic->sqs_mode) 84 global_qidx += ((nic->sqs_id + 1) * MAX_CMP_QUEUES_PER_QS); 85 86 return global_qidx; 87 } 88 89 /* 90 * Simple phy2virt functions assuming mbufs are in a single huge page 91 * V = P + offset 92 * P = V - offset 93 */ 94 static inline uintptr_t 95 nicvf_mbuff_phy2virt(rte_iova_t phy, uint64_t mbuf_phys_off) 96 { 97 return (uintptr_t)(phy + mbuf_phys_off); 98 } 99 100 static inline uintptr_t 101 nicvf_mbuff_virt2phy(uintptr_t virt, uint64_t mbuf_phys_off) 102 { 103 return (rte_iova_t)(virt - mbuf_phys_off); 104 } 105 106 static inline void 107 nicvf_tx_range(struct rte_eth_dev *dev, struct nicvf *nic, uint16_t *tx_start, 108 uint16_t *tx_end) 109 { 110 uint16_t tmp; 111 112 *tx_start = RTE_ALIGN_FLOOR(nicvf_netdev_qidx(nic, 0), 113 MAX_SND_QUEUES_PER_QS); 114 tmp = RTE_ALIGN_CEIL(nicvf_netdev_qidx(nic, 0) + 1, 115 MAX_SND_QUEUES_PER_QS) - 1; 116 *tx_end = dev->data->nb_tx_queues ? 117 RTE_MIN(tmp, dev->data->nb_tx_queues - 1) : 0; 118 } 119 120 static inline void 121 nicvf_rx_range(struct rte_eth_dev *dev, struct nicvf *nic, uint16_t *rx_start, 122 uint16_t *rx_end) 123 { 124 uint16_t tmp; 125 126 *rx_start = RTE_ALIGN_FLOOR(nicvf_netdev_qidx(nic, 0), 127 MAX_RCV_QUEUES_PER_QS); 128 tmp = RTE_ALIGN_CEIL(nicvf_netdev_qidx(nic, 0) + 1, 129 MAX_RCV_QUEUES_PER_QS) - 1; 130 *rx_end = dev->data->nb_rx_queues ? 131 RTE_MIN(tmp, dev->data->nb_rx_queues - 1) : 0; 132 } 133 134 #endif /* __THUNDERX_NICVF_ETHDEV_H__ */ 135