2 * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
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);
66 #define GET_CONFIG(m) \
68 err = vnic_dev_spec(enic->vdev, \
69 offsetof(struct vnic_enet_config, m), \
70 sizeof(c->m), &c->m); \
72 dev_err(enic_get_dev(enic), \
73 "Error getting %s, %d\n", #m, err); \
79 GET_CONFIG(wq_desc_count);
80 GET_CONFIG(rq_desc_count);
82 GET_CONFIG(intr_timer_type);
83 GET_CONFIG(intr_mode);
84 GET_CONFIG(intr_timer_usec);
87 GET_CONFIG(max_pkt_size);
89 /* max packet size is only defined in newer VIC firmware
90 * and will be 0 for legacy firmware and VICs
92 if (c->max_pkt_size > ENIC_DEFAULT_RX_MAX_PKT_SIZE)
93 enic->max_mtu = c->max_pkt_size - (ETHER_HDR_LEN + 4);
95 enic->max_mtu = ENIC_DEFAULT_RX_MAX_PKT_SIZE
96 - (ETHER_HDR_LEN + 4);
100 enic->rte_dev->data->mtu = min_t(u16, enic->max_mtu,
101 max_t(u16, ENIC_MIN_MTU, c->mtu));
103 enic->adv_filters = vnic_dev_capable_adv_filters(enic->vdev);
104 dev_info(enic, "Advanced Filters %savailable\n", ((enic->adv_filters)
108 min_t(u32, ENIC_MAX_WQ_DESCS,
109 max_t(u32, ENIC_MIN_WQ_DESCS,
111 c->wq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
114 min_t(u32, ENIC_MAX_RQ_DESCS,
115 max_t(u32, ENIC_MIN_RQ_DESCS,
117 c->rq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
119 c->intr_timer_usec = min_t(u32, c->intr_timer_usec,
120 vnic_dev_get_intr_coal_timer_max(enic->vdev));
122 dev_info(enic_get_dev(enic),
123 "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x "
124 "wq/rq %d/%d mtu %d, max mtu:%d\n",
125 enic->mac_addr[0], enic->mac_addr[1], enic->mac_addr[2],
126 enic->mac_addr[3], enic->mac_addr[4], enic->mac_addr[5],
127 c->wq_desc_count, c->rq_desc_count,
128 enic->rte_dev->data->mtu, enic->max_mtu);
129 dev_info(enic_get_dev(enic), "vNIC csum tx/rx %s/%s "
130 "rss %s intr mode %s type %s timer %d usec "
131 "loopback tag 0x%04x\n",
132 ENIC_SETTING(enic, TXCSUM) ? "yes" : "no",
133 ENIC_SETTING(enic, RXCSUM) ? "yes" : "no",
134 ENIC_SETTING(enic, RSS) ? "yes" : "no",
135 c->intr_mode == VENET_INTR_MODE_INTX ? "INTx" :
136 c->intr_mode == VENET_INTR_MODE_MSI ? "MSI" :
137 c->intr_mode == VENET_INTR_MODE_ANY ? "any" :
139 c->intr_timer_type == VENET_INTR_TYPE_MIN ? "min" :
140 c->intr_timer_type == VENET_INTR_TYPE_IDLE ? "idle" :
148 int enic_add_vlan(struct enic *enic, u16 vlanid)
150 u64 a0 = vlanid, a1 = 0;
154 err = vnic_dev_cmd(enic->vdev, CMD_VLAN_ADD, &a0, &a1, wait);
156 dev_err(enic_get_dev(enic), "Can't add vlan id, %d\n", err);
161 int enic_del_vlan(struct enic *enic, u16 vlanid)
163 u64 a0 = vlanid, a1 = 0;
167 err = vnic_dev_cmd(enic->vdev, CMD_VLAN_DEL, &a0, &a1, wait);
169 dev_err(enic_get_dev(enic), "Can't delete vlan id, %d\n", err);
174 int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
175 u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
182 vnic_set_nic_cfg(&nic_cfg, rss_default_cpu,
183 rss_hash_type, rss_hash_bits, rss_base_cpu,
184 rss_enable, tso_ipid_split_en, ig_vlan_strip_en);
189 return vnic_dev_cmd(enic->vdev, CMD_NIC_CFG, &a0, &a1, wait);
192 int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len)
194 u64 a0 = (u64)key_pa, a1 = len;
197 return vnic_dev_cmd(enic->vdev, CMD_RSS_KEY, &a0, &a1, wait);
200 int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len)
202 u64 a0 = (u64)cpu_pa, a1 = len;
205 return vnic_dev_cmd(enic->vdev, CMD_RSS_CPU, &a0, &a1, wait);
208 void enic_free_vnic_resources(struct enic *enic)
212 for (i = 0; i < enic->wq_count; i++)
213 vnic_wq_free(&enic->wq[i]);
214 for (i = 0; i < enic_vnic_rq_count(enic); i++)
215 if (enic->rq[i].in_use)
216 vnic_rq_free(&enic->rq[i]);
217 for (i = 0; i < enic->cq_count; i++)
218 vnic_cq_free(&enic->cq[i]);
219 vnic_intr_free(&enic->intr);
222 void enic_get_res_counts(struct enic *enic)
224 enic->conf_wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ);
225 enic->conf_rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ);
226 enic->conf_cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ);
227 enic->conf_intr_count = vnic_dev_get_res_count(enic->vdev,
230 dev_info(enic_get_dev(enic),
231 "vNIC resources avail: wq %d rq %d cq %d intr %d\n",
232 enic->conf_wq_count, enic->conf_rq_count,
233 enic->conf_cq_count, enic->conf_intr_count);