1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016 Cavium, Inc
5 #ifndef __THUNDERX_NICVF_ETHDEV_H__
6 #define __THUNDERX_NICVF_ETHDEV_H__
8 #include <rte_ethdev.h>
10 #define THUNDERX_NICVF_PMD_VERSION "2.0"
11 #define THUNDERX_REG_BYTES 8
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
18 #define NICVF_RSS_OFFLOAD_PASS1 ( \
21 ETH_RSS_NONFRAG_IPV4_TCP | \
22 ETH_RSS_NONFRAG_IPV4_UDP | \
24 ETH_RSS_NONFRAG_IPV6_TCP | \
25 ETH_RSS_NONFRAG_IPV6_UDP)
27 #define NICVF_RSS_OFFLOAD_TUNNEL ( \
32 #define NICVF_DEFAULT_RX_FREE_THRESH 224
33 #define NICVF_DEFAULT_TX_FREE_THRESH 224
34 #define NICVF_TX_FREE_MPOOL_THRESH 16
35 #define NICVF_MAX_RX_FREE_THRESH 1024
36 #define NICVF_MAX_TX_FREE_THRESH 1024
38 #define VLAN_TAG_SIZE 4 /* 802.3ac tag */
40 static inline struct nicvf *
41 nicvf_pmd_priv(struct rte_eth_dev *eth_dev)
43 return eth_dev->data->dev_private;
46 static inline uint64_t
47 nicvf_mempool_phy_offset(struct rte_mempool *mp)
49 struct rte_mempool_memhdr *hdr;
51 hdr = STAILQ_FIRST(&mp->mem_list);
53 return (uint64_t)((uintptr_t)hdr->addr - hdr->iova);
56 static inline uint16_t
57 nicvf_mbuff_meta_length(struct rte_mbuf *mbuf)
59 return (uint16_t)((uintptr_t)mbuf->buf_addr - (uintptr_t)mbuf);
62 static inline uint16_t
63 nicvf_netdev_qidx(struct nicvf *nic, uint8_t local_qidx)
65 uint16_t global_qidx = local_qidx;
68 global_qidx += ((nic->sqs_id + 1) * MAX_CMP_QUEUES_PER_QS);
74 * Simple phy2virt functions assuming mbufs are in a single huge page
78 static inline uintptr_t
79 nicvf_mbuff_phy2virt(rte_iova_t phy, uint64_t mbuf_phys_off)
81 return (uintptr_t)(phy + mbuf_phys_off);
84 static inline uintptr_t
85 nicvf_mbuff_virt2phy(uintptr_t virt, uint64_t mbuf_phys_off)
87 return (rte_iova_t)(virt - mbuf_phys_off);
91 nicvf_tx_range(struct rte_eth_dev *dev, struct nicvf *nic, uint16_t *tx_start,
96 *tx_start = RTE_ALIGN_FLOOR(nicvf_netdev_qidx(nic, 0),
97 MAX_SND_QUEUES_PER_QS);
98 tmp = RTE_ALIGN_CEIL(nicvf_netdev_qidx(nic, 0) + 1,
99 MAX_SND_QUEUES_PER_QS) - 1;
100 *tx_end = dev->data->nb_tx_queues ?
101 RTE_MIN(tmp, dev->data->nb_tx_queues - 1) : 0;
105 nicvf_rx_range(struct rte_eth_dev *dev, struct nicvf *nic, uint16_t *rx_start,
110 *rx_start = RTE_ALIGN_FLOOR(nicvf_netdev_qidx(nic, 0),
111 MAX_RCV_QUEUES_PER_QS);
112 tmp = RTE_ALIGN_CEIL(nicvf_netdev_qidx(nic, 0) + 1,
113 MAX_RCV_QUEUES_PER_QS) - 1;
114 *rx_end = dev->data->nb_rx_queues ?
115 RTE_MIN(tmp, dev->data->nb_rx_queues - 1) : 0;
118 #endif /* __THUNDERX_NICVF_ETHDEV_H__ */