net/failsafe: fix crash on slave queue release
[dpdk.git] / drivers / net / thunderx / nicvf_ethdev.h
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 <rte_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
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__  */