net/i40e: fix request queue in VF
[dpdk.git] / drivers / net / ixgbe / ixgbe_vf_representor.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2018 Intel Corporation.
3  */
4
5 #include <rte_ethdev.h>
6 #include <rte_pci.h>
7 #include <rte_malloc.h>
8
9 #include "base/ixgbe_type.h"
10 #include "base/ixgbe_vf.h"
11 #include "ixgbe_ethdev.h"
12 #include "ixgbe_rxtx.h"
13 #include "rte_pmd_ixgbe.h"
14
15
16 static int
17 ixgbe_vf_representor_link_update(struct rte_eth_dev *ethdev,
18         int wait_to_complete)
19 {
20         struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
21
22         return ixgbe_dev_link_update_share(representor->pf_ethdev,
23                 wait_to_complete, 0);
24 }
25
26 static int
27 ixgbe_vf_representor_mac_addr_set(struct rte_eth_dev *ethdev,
28         struct rte_ether_addr *mac_addr)
29 {
30         struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
31
32         return rte_pmd_ixgbe_set_vf_mac_addr(
33                 representor->pf_ethdev->data->port_id,
34                 representor->vf_id, mac_addr);
35 }
36
37 static void
38 ixgbe_vf_representor_dev_infos_get(struct rte_eth_dev *ethdev,
39         struct rte_eth_dev_info *dev_info)
40 {
41         struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
42
43         struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(
44                 representor->pf_ethdev->data->dev_private);
45
46         dev_info->device = representor->pf_ethdev->device;
47
48         dev_info->min_rx_bufsize = 1024;
49         /**< Minimum size of RX buffer. */
50         dev_info->max_rx_pktlen = 9728;
51         /**< Maximum configurable length of RX pkt. */
52         dev_info->max_rx_queues = IXGBE_VF_MAX_RX_QUEUES;
53         /**< Maximum number of RX queues. */
54         dev_info->max_tx_queues = IXGBE_VF_MAX_TX_QUEUES;
55         /**< Maximum number of TX queues. */
56
57         dev_info->max_mac_addrs = hw->mac.num_rar_entries;
58         /**< Maximum number of MAC addresses. */
59
60         dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP |
61                 DEV_RX_OFFLOAD_IPV4_CKSUM |     DEV_RX_OFFLOAD_UDP_CKSUM  |
62                 DEV_RX_OFFLOAD_TCP_CKSUM;
63         /**< Device RX offload capabilities. */
64
65         dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
66                 DEV_TX_OFFLOAD_IPV4_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM |
67                 DEV_TX_OFFLOAD_TCP_CKSUM | DEV_TX_OFFLOAD_SCTP_CKSUM |
68                 DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_MULTI_SEGS;
69         /**< Device TX offload capabilities. */
70
71         dev_info->speed_capa =
72                 representor->pf_ethdev->data->dev_link.link_speed;
73         /**< Supported speeds bitmap (ETH_LINK_SPEED_). */
74
75         dev_info->switch_info.name =
76                 representor->pf_ethdev->device->name;
77         dev_info->switch_info.domain_id = representor->switch_domain_id;
78         dev_info->switch_info.port_id = representor->vf_id;
79 }
80
81 static int ixgbe_vf_representor_dev_configure(
82                 __rte_unused struct rte_eth_dev *dev)
83 {
84         return 0;
85 }
86
87 static int ixgbe_vf_representor_rx_queue_setup(
88         __rte_unused struct rte_eth_dev *dev,
89         __rte_unused uint16_t rx_queue_id,
90         __rte_unused uint16_t nb_rx_desc,
91         __rte_unused unsigned int socket_id,
92         __rte_unused const struct rte_eth_rxconf *rx_conf,
93         __rte_unused struct rte_mempool *mb_pool)
94 {
95         return 0;
96 }
97
98 static int ixgbe_vf_representor_tx_queue_setup(
99         __rte_unused struct rte_eth_dev *dev,
100         __rte_unused uint16_t rx_queue_id,
101         __rte_unused uint16_t nb_rx_desc,
102         __rte_unused unsigned int socket_id,
103         __rte_unused const struct rte_eth_txconf *tx_conf)
104 {
105         return 0;
106 }
107
108 static int ixgbe_vf_representor_dev_start(__rte_unused struct rte_eth_dev *dev)
109 {
110         return 0;
111 }
112
113 static void ixgbe_vf_representor_dev_stop(__rte_unused struct rte_eth_dev *dev)
114 {
115 }
116
117 static int
118 ixgbe_vf_representor_vlan_filter_set(struct rte_eth_dev *ethdev,
119         uint16_t vlan_id, int on)
120 {
121         struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
122         uint64_t vf_mask = 1ULL << representor->vf_id;
123
124         return rte_pmd_ixgbe_set_vf_vlan_filter(
125                 representor->pf_ethdev->data->port_id, vlan_id, vf_mask, on);
126 }
127
128 static void
129 ixgbe_vf_representor_vlan_strip_queue_set(struct rte_eth_dev *ethdev,
130         __rte_unused uint16_t rx_queue_id, int on)
131 {
132         struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
133
134         rte_pmd_ixgbe_set_vf_vlan_stripq(representor->pf_ethdev->data->port_id,
135                 representor->vf_id, on);
136 }
137
138 static const struct eth_dev_ops ixgbe_vf_representor_dev_ops = {
139         .dev_infos_get          = ixgbe_vf_representor_dev_infos_get,
140
141         .dev_start              = ixgbe_vf_representor_dev_start,
142         .dev_configure          = ixgbe_vf_representor_dev_configure,
143         .dev_stop               = ixgbe_vf_representor_dev_stop,
144
145         .rx_queue_setup         = ixgbe_vf_representor_rx_queue_setup,
146         .tx_queue_setup         = ixgbe_vf_representor_tx_queue_setup,
147
148         .link_update            = ixgbe_vf_representor_link_update,
149
150         .vlan_filter_set        = ixgbe_vf_representor_vlan_filter_set,
151         .vlan_strip_queue_set   = ixgbe_vf_representor_vlan_strip_queue_set,
152
153         .mac_addr_set           = ixgbe_vf_representor_mac_addr_set,
154 };
155
156 static uint16_t
157 ixgbe_vf_representor_rx_burst(__rte_unused void *rx_queue,
158         __rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts)
159 {
160         return 0;
161 }
162
163 static uint16_t
164 ixgbe_vf_representor_tx_burst(__rte_unused void *tx_queue,
165         __rte_unused struct rte_mbuf **tx_pkts, __rte_unused uint16_t nb_pkts)
166 {
167         return 0;
168 }
169
170 int
171 ixgbe_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params)
172 {
173         struct ixgbe_vf_representor *representor = ethdev->data->dev_private;
174
175         struct ixgbe_vf_info *vf_data;
176         struct rte_pci_device *pci_dev;
177         struct rte_eth_link *link;
178
179         if (!representor)
180                 return -ENOMEM;
181
182         representor->vf_id =
183                 ((struct ixgbe_vf_representor *)init_params)->vf_id;
184         representor->switch_domain_id =
185                 ((struct ixgbe_vf_representor *)init_params)->switch_domain_id;
186         representor->pf_ethdev =
187                 ((struct ixgbe_vf_representor *)init_params)->pf_ethdev;
188
189         pci_dev = RTE_ETH_DEV_TO_PCI(representor->pf_ethdev);
190
191         if (representor->vf_id >= pci_dev->max_vfs)
192                 return -ENODEV;
193
194         ethdev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
195         ethdev->data->representor_id = representor->vf_id;
196
197         /* Set representor device ops */
198         ethdev->dev_ops = &ixgbe_vf_representor_dev_ops;
199
200         /* No data-path, but need stub Rx/Tx functions to avoid crash
201          * when testing with the likes of testpmd.
202          */
203         ethdev->rx_pkt_burst = ixgbe_vf_representor_rx_burst;
204         ethdev->tx_pkt_burst = ixgbe_vf_representor_tx_burst;
205
206         /* Setting the number queues allocated to the VF */
207         ethdev->data->nb_rx_queues = IXGBE_VF_MAX_RX_QUEUES;
208         ethdev->data->nb_tx_queues = IXGBE_VF_MAX_RX_QUEUES;
209
210         /* Reference VF mac address from PF data structure */
211         vf_data = *IXGBE_DEV_PRIVATE_TO_P_VFDATA(
212                 representor->pf_ethdev->data->dev_private);
213
214         ethdev->data->mac_addrs = (struct rte_ether_addr *)
215                 vf_data[representor->vf_id].vf_mac_addresses;
216
217         /* Link state. Inherited from PF */
218         link = &representor->pf_ethdev->data->dev_link;
219
220         ethdev->data->dev_link.link_speed = link->link_speed;
221         ethdev->data->dev_link.link_duplex = link->link_duplex;
222         ethdev->data->dev_link.link_status = link->link_status;
223         ethdev->data->dev_link.link_autoneg = link->link_autoneg;
224
225         return 0;
226 }
227
228 int
229 ixgbe_vf_representor_uninit(struct rte_eth_dev *ethdev)
230 {
231         /* mac_addrs must not be freed because part of ixgbe_vf_info */
232         ethdev->data->mac_addrs = NULL;
233
234         return 0;
235 }