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/*
* Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
*
* Copyright (c) 2014, Cisco Systems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "enic_compat.h"
#include "rte_ethdev.h"
#include "wq_enet_desc.h"
#include "rq_enet_desc.h"
#include "cq_enet_desc.h"
#include "vnic_resource.h"
#include "vnic_enet.h"
#include "vnic_dev.h"
#include "vnic_wq.h"
#include "vnic_rq.h"
#include "vnic_cq.h"
#include "vnic_intr.h"
#include "vnic_stats.h"
#include "vnic_nic.h"
#include "vnic_rss.h"
#include "enic_res.h"
#include "enic.h"
int enic_get_vnic_config(struct enic *enic)
{
struct vnic_enet_config *c = &enic->config;
int err;
err = vnic_dev_get_mac_addr(enic->vdev, enic->mac_addr);
if (err) {
dev_err(enic_get_dev(enic),
"Error getting MAC addr, %d\n", err);
return err;
}
#define GET_CONFIG(m) \
do { \
err = vnic_dev_spec(enic->vdev, \
offsetof(struct vnic_enet_config, m), \
sizeof(c->m), &c->m); \
if (err) { \
dev_err(enic_get_dev(enic), \
"Error getting %s, %d\n", #m, err); \
return err; \
} \
} while (0)
GET_CONFIG(flags);
GET_CONFIG(wq_desc_count);
GET_CONFIG(rq_desc_count);
GET_CONFIG(mtu);
GET_CONFIG(intr_timer_type);
GET_CONFIG(intr_mode);
GET_CONFIG(intr_timer_usec);
GET_CONFIG(loop_tag);
GET_CONFIG(num_arfs);
GET_CONFIG(max_pkt_size);
/* max packet size is only defined in newer VIC firmware
* and will be 0 for legacy firmware and VICs
*/
if (c->max_pkt_size > ENIC_DEFAULT_MAX_PKT_SIZE)
enic->max_mtu = c->max_pkt_size - (ETHER_HDR_LEN + 4);
else
enic->max_mtu = ENIC_DEFAULT_MAX_PKT_SIZE - (ETHER_HDR_LEN + 4);
if (c->mtu == 0)
c->mtu = 1500;
enic->rte_dev->data->mtu = min_t(u16, enic->max_mtu,
max_t(u16, ENIC_MIN_MTU, c->mtu));
c->wq_desc_count =
min_t(u32, ENIC_MAX_WQ_DESCS,
max_t(u32, ENIC_MIN_WQ_DESCS,
c->wq_desc_count));
c->wq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
c->rq_desc_count =
min_t(u32, ENIC_MAX_RQ_DESCS,
max_t(u32, ENIC_MIN_RQ_DESCS,
c->rq_desc_count));
c->rq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */
c->intr_timer_usec = min_t(u32, c->intr_timer_usec,
vnic_dev_get_intr_coal_timer_max(enic->vdev));
dev_info(enic_get_dev(enic),
"vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x "
"wq/rq %d/%d mtu %d, max mtu:%d\n",
enic->mac_addr[0], enic->mac_addr[1], enic->mac_addr[2],
enic->mac_addr[3], enic->mac_addr[4], enic->mac_addr[5],
c->wq_desc_count, c->rq_desc_count,
enic->rte_dev->data->mtu, enic->max_mtu);
dev_info(enic_get_dev(enic), "vNIC csum tx/rx %s/%s "
"rss %s intr mode %s type %s timer %d usec "
"loopback tag 0x%04x\n",
ENIC_SETTING(enic, TXCSUM) ? "yes" : "no",
ENIC_SETTING(enic, RXCSUM) ? "yes" : "no",
ENIC_SETTING(enic, RSS) ? "yes" : "no",
c->intr_mode == VENET_INTR_MODE_INTX ? "INTx" :
c->intr_mode == VENET_INTR_MODE_MSI ? "MSI" :
c->intr_mode == VENET_INTR_MODE_ANY ? "any" :
"unknown",
c->intr_timer_type == VENET_INTR_TYPE_MIN ? "min" :
c->intr_timer_type == VENET_INTR_TYPE_IDLE ? "idle" :
"unknown",
c->intr_timer_usec,
c->loop_tag);
return 0;
}
int enic_add_vlan(struct enic *enic, u16 vlanid)
{
u64 a0 = vlanid, a1 = 0;
int wait = 1000;
int err;
err = vnic_dev_cmd(enic->vdev, CMD_VLAN_ADD, &a0, &a1, wait);
if (err)
dev_err(enic_get_dev(enic), "Can't add vlan id, %d\n", err);
return err;
}
int enic_del_vlan(struct enic *enic, u16 vlanid)
{
u64 a0 = vlanid, a1 = 0;
int wait = 1000;
int err;
err = vnic_dev_cmd(enic->vdev, CMD_VLAN_DEL, &a0, &a1, wait);
if (err)
dev_err(enic_get_dev(enic), "Can't delete vlan id, %d\n", err);
return err;
}
int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
u8 ig_vlan_strip_en)
{
u64 a0, a1;
u32 nic_cfg;
int wait = 1000;
vnic_set_nic_cfg(&nic_cfg, rss_default_cpu,
rss_hash_type, rss_hash_bits, rss_base_cpu,
rss_enable, tso_ipid_split_en, ig_vlan_strip_en);
a0 = nic_cfg;
a1 = 0;
return vnic_dev_cmd(enic->vdev, CMD_NIC_CFG, &a0, &a1, wait);
}
int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len)
{
u64 a0 = (u64)key_pa, a1 = len;
int wait = 1000;
return vnic_dev_cmd(enic->vdev, CMD_RSS_KEY, &a0, &a1, wait);
}
int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len)
{
u64 a0 = (u64)cpu_pa, a1 = len;
int wait = 1000;
return vnic_dev_cmd(enic->vdev, CMD_RSS_CPU, &a0, &a1, wait);
}
void enic_free_vnic_resources(struct enic *enic)
{
unsigned int i;
for (i = 0; i < enic->wq_count; i++)
vnic_wq_free(&enic->wq[i]);
for (i = 0; i < enic_vnic_rq_count(enic); i++)
if (enic->rq[i].in_use)
vnic_rq_free(&enic->rq[i]);
for (i = 0; i < enic->cq_count; i++)
vnic_cq_free(&enic->cq[i]);
vnic_intr_free(&enic->intr);
}
void enic_get_res_counts(struct enic *enic)
{
enic->conf_wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ);
enic->conf_rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ);
enic->conf_cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ);
enic->conf_intr_count = vnic_dev_get_res_count(enic->vdev,
RES_TYPE_INTR_CTRL);
dev_info(enic_get_dev(enic),
"vNIC resources avail: wq %d rq %d cq %d intr %d\n",
enic->conf_wq_count, enic->conf_rq_count,
enic->conf_cq_count, enic->conf_intr_count);
}
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