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3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
5 * Copyright (c) 2014, Cisco Systems, Inc.
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35 #include "enic_compat.h"
36 #include "rte_ethdev.h"
37 #include "wq_enet_desc.h"
38 #include "rq_enet_desc.h"
39 #include "cq_enet_desc.h"
40 #include "vnic_resource.h"
41 #include "vnic_enet.h"
46 #include "vnic_intr.h"
47 #include "vnic_stats.h"
53 int enic_get_vnic_config(struct enic *enic)
55 struct vnic_enet_config *c = &enic->config;
58 err = vnic_dev_get_mac_addr(enic->vdev, enic->mac_addr);
60 dev_err(enic_get_dev(enic),
61 "Error getting MAC addr, %d\n", err);
65 #define GET_CONFIG(m) \
67 err = vnic_dev_spec(enic->vdev, \
68 offsetof(struct vnic_enet_config, m), \
69 sizeof(c->m), &c->m); \
71 dev_err(enic_get_dev(enic), \
72 "Error getting %s, %d\n", #m, err); \
78 GET_CONFIG(wq_desc_count);
79 GET_CONFIG(rq_desc_count);
81 GET_CONFIG(intr_timer_type);
82 GET_CONFIG(intr_mode);
83 GET_CONFIG(intr_timer_usec);
88 min_t(u32, ENIC_MAX_WQ_DESCS,
89 max_t(u32, ENIC_MIN_WQ_DESCS,
91 c->wq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
94 min_t(u32, ENIC_MAX_RQ_DESCS,
95 max_t(u32, ENIC_MIN_RQ_DESCS,
97 c->rq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
101 c->mtu = min_t(u16, ENIC_MAX_MTU,
102 max_t(u16, ENIC_MIN_MTU,
105 c->intr_timer_usec = min_t(u32, c->intr_timer_usec,
106 vnic_dev_get_intr_coal_timer_max(enic->vdev));
108 dev_info(enic_get_dev(enic),
109 "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x "
110 "wq/rq %d/%d mtu %d\n",
111 enic->mac_addr[0], enic->mac_addr[1], enic->mac_addr[2],
112 enic->mac_addr[3], enic->mac_addr[4], enic->mac_addr[5],
113 c->wq_desc_count, c->rq_desc_count, c->mtu);
114 dev_info(enic_get_dev(enic), "vNIC csum tx/rx %s/%s "
115 "rss %s intr mode %s type %s timer %d usec "
116 "loopback tag 0x%04x\n",
117 ENIC_SETTING(enic, TXCSUM) ? "yes" : "no",
118 ENIC_SETTING(enic, RXCSUM) ? "yes" : "no",
119 ENIC_SETTING(enic, RSS) ? "yes" : "no",
120 c->intr_mode == VENET_INTR_MODE_INTX ? "INTx" :
121 c->intr_mode == VENET_INTR_MODE_MSI ? "MSI" :
122 c->intr_mode == VENET_INTR_MODE_ANY ? "any" :
124 c->intr_timer_type == VENET_INTR_TYPE_MIN ? "min" :
125 c->intr_timer_type == VENET_INTR_TYPE_IDLE ? "idle" :
133 int enic_add_vlan(struct enic *enic, u16 vlanid)
135 u64 a0 = vlanid, a1 = 0;
139 err = vnic_dev_cmd(enic->vdev, CMD_VLAN_ADD, &a0, &a1, wait);
141 dev_err(enic_get_dev(enic), "Can't add vlan id, %d\n", err);
146 int enic_del_vlan(struct enic *enic, u16 vlanid)
148 u64 a0 = vlanid, a1 = 0;
152 err = vnic_dev_cmd(enic->vdev, CMD_VLAN_DEL, &a0, &a1, wait);
154 dev_err(enic_get_dev(enic), "Can't delete vlan id, %d\n", err);
159 int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
160 u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
167 vnic_set_nic_cfg(&nic_cfg, rss_default_cpu,
168 rss_hash_type, rss_hash_bits, rss_base_cpu,
169 rss_enable, tso_ipid_split_en, ig_vlan_strip_en);
174 return vnic_dev_cmd(enic->vdev, CMD_NIC_CFG, &a0, &a1, wait);
177 int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len)
179 u64 a0 = (u64)key_pa, a1 = len;
182 return vnic_dev_cmd(enic->vdev, CMD_RSS_KEY, &a0, &a1, wait);
185 int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len)
187 u64 a0 = (u64)cpu_pa, a1 = len;
190 return vnic_dev_cmd(enic->vdev, CMD_RSS_CPU, &a0, &a1, wait);
193 void enic_free_vnic_resources(struct enic *enic)
197 for (i = 0; i < enic->wq_count; i++)
198 vnic_wq_free(&enic->wq[i]);
199 for (i = 0; i < enic->rq_count; i++)
200 vnic_rq_free(&enic->rq[i]);
201 for (i = 0; i < enic->cq_count; i++)
202 vnic_cq_free(&enic->cq[i]);
203 vnic_intr_free(&enic->intr);
206 void enic_get_res_counts(struct enic *enic)
208 enic->wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ);
209 enic->rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ);
210 enic->cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ);
211 enic->intr_count = vnic_dev_get_res_count(enic->vdev,
214 dev_info(enic_get_dev(enic),
215 "vNIC resources avail: wq %d rq %d cq %d intr %d\n",
216 enic->wq_count, enic->rq_count,
217 enic->cq_count, enic->intr_count);