net/ice: complete device info get in DCF
[dpdk.git] / drivers / net / enic / enic_res.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright 2008-2017 Cisco Systems, Inc.  All rights reserved.
3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
4  */
5
6 #include "enic_compat.h"
7 #include "rte_ethdev_driver.h"
8 #include "wq_enet_desc.h"
9 #include "rq_enet_desc.h"
10 #include "cq_enet_desc.h"
11 #include "vnic_resource.h"
12 #include "vnic_enet.h"
13 #include "vnic_dev.h"
14 #include "vnic_wq.h"
15 #include "vnic_rq.h"
16 #include "vnic_cq.h"
17 #include "vnic_intr.h"
18 #include "vnic_stats.h"
19 #include "vnic_nic.h"
20 #include "vnic_rss.h"
21 #include "enic_res.h"
22 #include "enic.h"
23
24 int enic_get_vnic_config(struct enic *enic)
25 {
26         struct vnic_enet_config *c = &enic->config;
27         int err;
28
29         err = vnic_dev_get_mac_addr(enic->vdev, enic->mac_addr);
30         if (err) {
31                 dev_err(enic_get_dev(enic),
32                         "Error getting MAC addr, %d\n", err);
33                 return err;
34         }
35
36
37 #define GET_CONFIG(m) \
38         do { \
39                 err = vnic_dev_spec(enic->vdev, \
40                         offsetof(struct vnic_enet_config, m), \
41                         sizeof(c->m), &c->m); \
42                 if (err) { \
43                         dev_err(enic_get_dev(enic), \
44                                 "Error getting %s, %d\n", #m, err); \
45                         return err; \
46                 } \
47         } while (0)
48
49         GET_CONFIG(flags);
50         GET_CONFIG(wq_desc_count);
51         GET_CONFIG(rq_desc_count);
52         GET_CONFIG(mtu);
53         GET_CONFIG(intr_timer_type);
54         GET_CONFIG(intr_mode);
55         GET_CONFIG(intr_timer_usec);
56         GET_CONFIG(loop_tag);
57         GET_CONFIG(num_arfs);
58         GET_CONFIG(max_pkt_size);
59
60         /* max packet size is only defined in newer VIC firmware
61          * and will be 0 for legacy firmware and VICs
62          */
63         if (c->max_pkt_size > ENIC_DEFAULT_RX_MAX_PKT_SIZE)
64                 enic->max_mtu = c->max_pkt_size - RTE_ETHER_HDR_LEN;
65         else
66                 enic->max_mtu = ENIC_DEFAULT_RX_MAX_PKT_SIZE -
67                         RTE_ETHER_HDR_LEN;
68         if (c->mtu == 0)
69                 c->mtu = 1500;
70
71         enic->rte_dev->data->mtu = RTE_MIN(enic->max_mtu,
72                                 RTE_MAX((uint16_t)ENIC_MIN_MTU, c->mtu));
73
74         enic->adv_filters = vnic_dev_capable_adv_filters(enic->vdev);
75         dev_info(enic, "Advanced Filters %savailable\n", ((enic->adv_filters)
76                  ? "" : "not "));
77
78         err = vnic_dev_capable_filter_mode(enic->vdev, &enic->flow_filter_mode,
79                                            &enic->filter_actions);
80         if (err) {
81                 dev_err(enic_get_dev(enic),
82                         "Error getting filter modes, %d\n", err);
83                 return err;
84         }
85         vnic_dev_capable_udp_rss_weak(enic->vdev, &enic->nic_cfg_chk,
86                                       &enic->udp_rss_weak);
87
88         dev_info(enic, "Flow api filter mode: %s Actions: %s%s%s%s\n",
89                 ((enic->flow_filter_mode == FILTER_FLOWMAN) ? "FLOWMAN" :
90                 ((enic->flow_filter_mode == FILTER_DPDK_1) ? "DPDK" :
91                 ((enic->flow_filter_mode == FILTER_USNIC_IP) ? "USNIC" :
92                 ((enic->flow_filter_mode == FILTER_IPV4_5TUPLE) ? "5TUPLE" :
93                 "NONE")))),
94                 ((enic->filter_actions & FILTER_ACTION_RQ_STEERING_FLAG) ?
95                  "steer " : ""),
96                 ((enic->filter_actions & FILTER_ACTION_FILTER_ID_FLAG) ?
97                  "tag " : ""),
98                 ((enic->filter_actions & FILTER_ACTION_DROP_FLAG) ?
99                  "drop " : ""),
100                 ((enic->filter_actions & FILTER_ACTION_COUNTER_FLAG) ?
101                  "count " : ""));
102
103         c->wq_desc_count = RTE_MIN((uint32_t)ENIC_MAX_WQ_DESCS,
104                         RTE_MAX((uint32_t)ENIC_MIN_WQ_DESCS, c->wq_desc_count));
105         c->wq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
106
107         c->rq_desc_count = RTE_MIN((uint32_t)ENIC_MAX_RQ_DESCS,
108                         RTE_MAX((uint32_t)ENIC_MIN_RQ_DESCS, c->rq_desc_count));
109         c->rq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
110
111         c->intr_timer_usec = RTE_MIN(c->intr_timer_usec,
112                                   vnic_dev_get_intr_coal_timer_max(enic->vdev));
113
114         dev_info(enic_get_dev(enic),
115                 "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x "
116                 "wq/rq %d/%d mtu %d, max mtu:%d\n",
117                 enic->mac_addr[0], enic->mac_addr[1], enic->mac_addr[2],
118                 enic->mac_addr[3], enic->mac_addr[4], enic->mac_addr[5],
119                 c->wq_desc_count, c->rq_desc_count,
120                 enic->rte_dev->data->mtu, enic->max_mtu);
121         dev_info(enic_get_dev(enic), "vNIC csum tx/rx %s/%s "
122                 "rss %s intr mode %s type %s timer %d usec "
123                 "loopback tag 0x%04x\n",
124                 ENIC_SETTING(enic, TXCSUM) ? "yes" : "no",
125                 ENIC_SETTING(enic, RXCSUM) ? "yes" : "no",
126                 ENIC_SETTING(enic, RSS) ?
127                         (ENIC_SETTING(enic, RSSHASH_UDPIPV4) ? "+UDP" :
128                         ((enic->udp_rss_weak ? "+udp" :
129                         "yes"))) : "no",
130                 c->intr_mode == VENET_INTR_MODE_INTX ? "INTx" :
131                 c->intr_mode == VENET_INTR_MODE_MSI ? "MSI" :
132                 c->intr_mode == VENET_INTR_MODE_ANY ? "any" :
133                 "unknown",
134                 c->intr_timer_type == VENET_INTR_TYPE_MIN ? "min" :
135                 c->intr_timer_type == VENET_INTR_TYPE_IDLE ? "idle" :
136                 "unknown",
137                 c->intr_timer_usec,
138                 c->loop_tag);
139
140         /* RSS settings from vNIC */
141         enic->reta_size = ENIC_RSS_RETA_SIZE;
142         enic->hash_key_size = ENIC_RSS_HASH_KEY_SIZE;
143         enic->flow_type_rss_offloads = 0;
144         if (ENIC_SETTING(enic, RSSHASH_IPV4))
145                 /*
146                  * IPV4 hash type handles both non-frag and frag packet types.
147                  * TCP/UDP is controlled via a separate flag below.
148                  */
149                 enic->flow_type_rss_offloads |= ETH_RSS_IPV4 |
150                         ETH_RSS_FRAG_IPV4 | ETH_RSS_NONFRAG_IPV4_OTHER;
151         if (ENIC_SETTING(enic, RSSHASH_TCPIPV4))
152                 enic->flow_type_rss_offloads |= ETH_RSS_NONFRAG_IPV4_TCP;
153         if (ENIC_SETTING(enic, RSSHASH_IPV6))
154                 /*
155                  * The VIC adapter can perform RSS on IPv6 packets with and
156                  * without extension headers. An IPv6 "fragment" is an IPv6
157                  * packet with the fragment extension header.
158                  */
159                 enic->flow_type_rss_offloads |= ETH_RSS_IPV6 |
160                         ETH_RSS_IPV6_EX | ETH_RSS_FRAG_IPV6 |
161                         ETH_RSS_NONFRAG_IPV6_OTHER;
162         if (ENIC_SETTING(enic, RSSHASH_TCPIPV6))
163                 enic->flow_type_rss_offloads |= ETH_RSS_NONFRAG_IPV6_TCP |
164                         ETH_RSS_IPV6_TCP_EX;
165         if (enic->udp_rss_weak)
166                 enic->flow_type_rss_offloads |=
167                         ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_NONFRAG_IPV6_UDP |
168                         ETH_RSS_IPV6_UDP_EX;
169         if (ENIC_SETTING(enic, RSSHASH_UDPIPV4))
170                 enic->flow_type_rss_offloads |= ETH_RSS_NONFRAG_IPV4_UDP;
171         if (ENIC_SETTING(enic, RSSHASH_UDPIPV6))
172                 enic->flow_type_rss_offloads |= ETH_RSS_NONFRAG_IPV6_UDP |
173                         ETH_RSS_IPV6_UDP_EX;
174
175         /* Zero offloads if RSS is not enabled */
176         if (!ENIC_SETTING(enic, RSS))
177                 enic->flow_type_rss_offloads = 0;
178
179         enic->vxlan = ENIC_SETTING(enic, VXLAN) &&
180                 vnic_dev_capable_vxlan(enic->vdev);
181         if (vnic_dev_capable_geneve(enic->vdev)) {
182                 dev_info(NULL, "Geneve with options offload available\n");
183                 enic->geneve_opt_avail = 1;
184         }
185         /*
186          * Default hardware capabilities. enic_dev_init() may add additional
187          * flags if it enables overlay offloads.
188          */
189         enic->tx_queue_offload_capa = 0;
190         enic->tx_offload_capa =
191                 enic->tx_queue_offload_capa |
192                 DEV_TX_OFFLOAD_MULTI_SEGS |
193                 DEV_TX_OFFLOAD_VLAN_INSERT |
194                 DEV_TX_OFFLOAD_IPV4_CKSUM |
195                 DEV_TX_OFFLOAD_UDP_CKSUM |
196                 DEV_TX_OFFLOAD_TCP_CKSUM |
197                 DEV_TX_OFFLOAD_TCP_TSO;
198         enic->rx_offload_capa =
199                 DEV_RX_OFFLOAD_SCATTER |
200                 DEV_RX_OFFLOAD_JUMBO_FRAME |
201                 DEV_RX_OFFLOAD_VLAN_STRIP |
202                 DEV_RX_OFFLOAD_IPV4_CKSUM |
203                 DEV_RX_OFFLOAD_UDP_CKSUM |
204                 DEV_RX_OFFLOAD_TCP_CKSUM |
205                 DEV_RX_OFFLOAD_RSS_HASH;
206         enic->tx_offload_mask =
207                 PKT_TX_IPV6 |
208                 PKT_TX_IPV4 |
209                 PKT_TX_VLAN |
210                 PKT_TX_IP_CKSUM |
211                 PKT_TX_L4_MASK |
212                 PKT_TX_TCP_SEG;
213
214         return 0;
215 }
216
217 int enic_set_nic_cfg(struct enic *enic, uint8_t rss_default_cpu,
218                      uint8_t rss_hash_type, uint8_t rss_hash_bits,
219                      uint8_t rss_base_cpu, uint8_t rss_enable,
220                      uint8_t tso_ipid_split_en, uint8_t ig_vlan_strip_en)
221 {
222         enum vnic_devcmd_cmd cmd;
223         uint64_t a0, a1;
224         uint32_t nic_cfg;
225         int wait = 1000;
226
227         vnic_set_nic_cfg(&nic_cfg, rss_default_cpu,
228                 rss_hash_type, rss_hash_bits, rss_base_cpu,
229                 rss_enable, tso_ipid_split_en, ig_vlan_strip_en);
230
231         a0 = nic_cfg;
232         a1 = 0;
233         cmd = enic->nic_cfg_chk ? CMD_NIC_CFG_CHK : CMD_NIC_CFG;
234         return vnic_dev_cmd(enic->vdev, cmd, &a0, &a1, wait);
235 }
236
237 int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, uint64_t len)
238 {
239         uint64_t a0 = (uint64_t)key_pa, a1 = len;
240         int wait = 1000;
241
242         return vnic_dev_cmd(enic->vdev, CMD_RSS_KEY, &a0, &a1, wait);
243 }
244
245 int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, uint64_t len)
246 {
247         uint64_t a0 = (uint64_t)cpu_pa, a1 = len;
248         int wait = 1000;
249
250         return vnic_dev_cmd(enic->vdev, CMD_RSS_CPU, &a0, &a1, wait);
251 }
252
253 void enic_free_vnic_resources(struct enic *enic)
254 {
255         unsigned int i;
256
257         for (i = 0; i < enic->wq_count; i++)
258                 vnic_wq_free(&enic->wq[i]);
259         for (i = 0; i < enic_vnic_rq_count(enic); i++)
260                 if (enic->rq[i].in_use)
261                         vnic_rq_free(&enic->rq[i]);
262         for (i = 0; i < enic->cq_count; i++)
263                 vnic_cq_free(&enic->cq[i]);
264         for (i = 0; i < enic->intr_count; i++)
265                 vnic_intr_free(&enic->intr[i]);
266 }
267
268 void enic_get_res_counts(struct enic *enic)
269 {
270         enic->conf_wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ);
271         enic->conf_rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ);
272         enic->conf_cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ);
273         enic->conf_intr_count = vnic_dev_get_res_count(enic->vdev,
274                 RES_TYPE_INTR_CTRL);
275
276         dev_info(enic_get_dev(enic),
277                 "vNIC resources avail: wq %d rq %d cq %d intr %d\n",
278                 enic->conf_wq_count, enic->conf_rq_count,
279                 enic->conf_cq_count, enic->conf_intr_count);
280 }