UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity
OpenCloudOS-Kernel/drivers/net/ethernet/aquantia/atlantic/aq_nic.c

1042 lines
24 KiB
C
Raw Blame History

/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*/
/* File aq_nic.c: Definition of common code for NIC. */
#include "aq_nic.h"
#include "aq_ring.h"
#include "aq_vec.h"
#include "aq_hw.h"
#include "aq_pci_func.h"
#include "aq_nic_internal.h"
#include <linux/moduleparam.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/timer.h>
#include <linux/cpu.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <net/ip.h>
static unsigned int aq_itr = AQ_CFG_INTERRUPT_MODERATION_AUTO;
module_param_named(aq_itr, aq_itr, uint, 0644);
MODULE_PARM_DESC(aq_itr, "Interrupt throttling mode");
static unsigned int aq_itr_tx;
module_param_named(aq_itr_tx, aq_itr_tx, uint, 0644);
MODULE_PARM_DESC(aq_itr_tx, "TX interrupt throttle rate");
static unsigned int aq_itr_rx;
module_param_named(aq_itr_rx, aq_itr_rx, uint, 0644);
MODULE_PARM_DESC(aq_itr_rx, "RX interrupt throttle rate");
static void aq_nic_update_ndev_stats(struct aq_nic_s *self);
static void aq_nic_rss_init(struct aq_nic_s *self, unsigned int num_rss_queues)
{
struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
struct aq_rss_parameters *rss_params = &cfg->aq_rss;
int i = 0;
static u8 rss_key[40] = {
0x1e, 0xad, 0x71, 0x87, 0x65, 0xfc, 0x26, 0x7d,
0x0d, 0x45, 0x67, 0x74, 0xcd, 0x06, 0x1a, 0x18,
0xb6, 0xc1, 0xf0, 0xc7, 0xbb, 0x18, 0xbe, 0xf8,
0x19, 0x13, 0x4b, 0xa9, 0xd0, 0x3e, 0xfe, 0x70,
0x25, 0x03, 0xab, 0x50, 0x6a, 0x8b, 0x82, 0x0c
};
rss_params->hash_secret_key_size = sizeof(rss_key);
memcpy(rss_params->hash_secret_key, rss_key, sizeof(rss_key));
rss_params->indirection_table_size = AQ_CFG_RSS_INDIRECTION_TABLE_MAX;
for (i = rss_params->indirection_table_size; i--;)
rss_params->indirection_table[i] = i & (num_rss_queues - 1);
}
/* Fills aq_nic_cfg with valid defaults */
static void aq_nic_cfg_init_defaults(struct aq_nic_s *self)
{
struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
cfg->aq_hw_caps = &self->aq_hw_caps;
cfg->vecs = AQ_CFG_VECS_DEF;
cfg->tcs = AQ_CFG_TCS_DEF;
cfg->rxds = AQ_CFG_RXDS_DEF;
cfg->txds = AQ_CFG_TXDS_DEF;
cfg->is_polling = AQ_CFG_IS_POLLING_DEF;
cfg->itr = aq_itr;
cfg->tx_itr = aq_itr_tx;
cfg->rx_itr = aq_itr_rx;
cfg->is_rss = AQ_CFG_IS_RSS_DEF;
cfg->num_rss_queues = AQ_CFG_NUM_RSS_QUEUES_DEF;
cfg->aq_rss.base_cpu_number = AQ_CFG_RSS_BASE_CPU_NUM_DEF;
cfg->flow_control = AQ_CFG_FC_MODE;
cfg->mtu = AQ_CFG_MTU_DEF;
cfg->link_speed_msk = AQ_CFG_SPEED_MSK;
cfg->is_autoneg = AQ_CFG_IS_AUTONEG_DEF;
cfg->is_lro = AQ_CFG_IS_LRO_DEF;
cfg->vlan_id = 0U;
aq_nic_rss_init(self, cfg->num_rss_queues);
}
/* Checks hw_caps and 'corrects' aq_nic_cfg in runtime */
int aq_nic_cfg_start(struct aq_nic_s *self)
{
struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
/*descriptors */
cfg->rxds = min(cfg->rxds, cfg->aq_hw_caps->rxds);
cfg->txds = min(cfg->txds, cfg->aq_hw_caps->txds);
/*rss rings */
cfg->vecs = min(cfg->vecs, cfg->aq_hw_caps->vecs);
cfg->vecs = min(cfg->vecs, num_online_cpus());
/* cfg->vecs should be power of 2 for RSS */
if (cfg->vecs >= 8U)
cfg->vecs = 8U;
else if (cfg->vecs >= 4U)
cfg->vecs = 4U;
else if (cfg->vecs >= 2U)
cfg->vecs = 2U;
else
cfg->vecs = 1U;
cfg->num_rss_queues = min(cfg->vecs, AQ_CFG_NUM_RSS_QUEUES_DEF);
cfg->irq_type = aq_pci_func_get_irq_type(self->aq_pci_func);
if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) ||
(self->aq_hw_caps.vecs == 1U) ||
(cfg->vecs == 1U)) {
cfg->is_rss = 0U;
cfg->vecs = 1U;
}
cfg->link_speed_msk &= self->aq_hw_caps.link_speed_msk;
cfg->hw_features = self->aq_hw_caps.hw_features;
return 0;
}
static int aq_nic_update_link_status(struct aq_nic_s *self)
{
int err = self->aq_hw_ops.hw_get_link_status(self->aq_hw);
if (err)
return err;
if (self->link_status.mbps != self->aq_hw->aq_link_status.mbps) {
pr_info("%s: link change old %d new %d\n",
AQ_CFG_DRV_NAME, self->link_status.mbps,
self->aq_hw->aq_link_status.mbps);
aq_nic_update_interrupt_moderation_settings(self);
}
self->link_status = self->aq_hw->aq_link_status;
if (!netif_carrier_ok(self->ndev) && self->link_status.mbps) {
aq_utils_obj_set(&self->flags,
AQ_NIC_FLAG_STARTED);
aq_utils_obj_clear(&self->flags,
AQ_NIC_LINK_DOWN);
netif_carrier_on(self->ndev);
netif_tx_wake_all_queues(self->ndev);
}
if (netif_carrier_ok(self->ndev) && !self->link_status.mbps) {
netif_carrier_off(self->ndev);
netif_tx_disable(self->ndev);
aq_utils_obj_set(&self->flags, AQ_NIC_LINK_DOWN);
}
return 0;
}
static void aq_nic_service_timer_cb(struct timer_list *t)
{
struct aq_nic_s *self = from_timer(self, t, service_timer);
int ctimer = AQ_CFG_SERVICE_TIMER_INTERVAL;
int err = 0;
if (aq_utils_obj_test(&self->flags, AQ_NIC_FLAGS_IS_NOT_READY))
goto err_exit;
err = aq_nic_update_link_status(self);
if (err)
goto err_exit;
if (self->aq_hw_ops.hw_update_stats)
self->aq_hw_ops.hw_update_stats(self->aq_hw);
aq_nic_update_ndev_stats(self);
/* If no link - use faster timer rate to detect link up asap */
if (!netif_carrier_ok(self->ndev))
ctimer = max(ctimer / 2, 1);
err_exit:
mod_timer(&self->service_timer, jiffies + ctimer);
}
static void aq_nic_polling_timer_cb(struct timer_list *t)
{
struct aq_nic_s *self = from_timer(self, t, polling_timer);
struct aq_vec_s *aq_vec = NULL;
unsigned int i = 0U;
for (i = 0U, aq_vec = self->aq_vec[0];
self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
aq_vec_isr(i, (void *)aq_vec);
mod_timer(&self->polling_timer, jiffies +
AQ_CFG_POLLING_TIMER_INTERVAL);
}
static struct net_device *aq_nic_ndev_alloc(void)
{
return alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_CFG_VECS_MAX);
}
struct aq_nic_s *aq_nic_alloc_cold(const struct net_device_ops *ndev_ops,
const struct ethtool_ops *et_ops,
struct pci_dev *pdev,
struct aq_pci_func_s *aq_pci_func,
unsigned int port,
const struct aq_hw_ops *aq_hw_ops)
{
struct net_device *ndev = NULL;
struct aq_nic_s *self = NULL;
int err = 0;
ndev = aq_nic_ndev_alloc();
if (!ndev) {
err = -ENOMEM;
goto err_exit;
}
self = netdev_priv(ndev);
ndev->netdev_ops = ndev_ops;
ndev->ethtool_ops = et_ops;
SET_NETDEV_DEV(ndev, &pdev->dev);
ndev->if_port = port;
self->ndev = ndev;
self->aq_pci_func = aq_pci_func;
self->aq_hw_ops = *aq_hw_ops;
self->port = (u8)port;
self->aq_hw = self->aq_hw_ops.create(aq_pci_func, self->port);
self->aq_hw->aq_nic_cfg = &self->aq_nic_cfg;
err = self->aq_hw_ops.get_hw_caps(self->aq_hw, &self->aq_hw_caps,
pdev->device, pdev->subsystem_device);
if (err < 0)
goto err_exit;
aq_nic_cfg_init_defaults(self);
err_exit:
if (err < 0) {
aq_nic_free_hot_resources(self);
self = NULL;
}
return self;
}
int aq_nic_ndev_register(struct aq_nic_s *self)
{
int err = 0;
if (!self->ndev) {
err = -EINVAL;
goto err_exit;
}
err = self->aq_hw_ops.hw_get_mac_permanent(self->aq_hw,
self->ndev->dev_addr);
if (err < 0)
goto err_exit;
#if defined(AQ_CFG_MAC_ADDR_PERMANENT)
{
static u8 mac_addr_permanent[] = AQ_CFG_MAC_ADDR_PERMANENT;
ether_addr_copy(self->ndev->dev_addr, mac_addr_permanent);
}
#endif
netif_carrier_off(self->ndev);
netif_tx_disable(self->ndev);
err = register_netdev(self->ndev);
if (err < 0)
goto err_exit;
err_exit:
return err;
}
int aq_nic_ndev_init(struct aq_nic_s *self)
{
struct aq_hw_caps_s *aq_hw_caps = self->aq_nic_cfg.aq_hw_caps;
struct aq_nic_cfg_s *aq_nic_cfg = &self->aq_nic_cfg;
self->ndev->hw_features |= aq_hw_caps->hw_features;
self->ndev->features = aq_hw_caps->hw_features;
self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN;
self->ndev->max_mtu = self->aq_hw_caps.mtu - ETH_FCS_LEN - ETH_HLEN;
return 0;
}
void aq_nic_ndev_free(struct aq_nic_s *self)
{
if (!self->ndev)
goto err_exit;
if (self->ndev->reg_state == NETREG_REGISTERED)
unregister_netdev(self->ndev);
if (self->aq_hw)
self->aq_hw_ops.destroy(self->aq_hw);
free_netdev(self->ndev);
err_exit:;
}
struct aq_nic_s *aq_nic_alloc_hot(struct net_device *ndev)
{
struct aq_nic_s *self = NULL;
int err = 0;
if (!ndev) {
err = -EINVAL;
goto err_exit;
}
self = netdev_priv(ndev);
if (!self) {
err = -EINVAL;
goto err_exit;
}
if (netif_running(ndev))
netif_tx_disable(ndev);
netif_carrier_off(self->ndev);
for (self->aq_vecs = 0; self->aq_vecs < self->aq_nic_cfg.vecs;
self->aq_vecs++) {
self->aq_vec[self->aq_vecs] =
aq_vec_alloc(self, self->aq_vecs, &self->aq_nic_cfg);
if (!self->aq_vec[self->aq_vecs]) {
err = -ENOMEM;
goto err_exit;
}
}
err_exit:
if (err < 0) {
aq_nic_free_hot_resources(self);
self = NULL;
}
return self;
}
void aq_nic_set_tx_ring(struct aq_nic_s *self, unsigned int idx,
struct aq_ring_s *ring)
{
self->aq_ring_tx[idx] = ring;
}
struct device *aq_nic_get_dev(struct aq_nic_s *self)
{
return self->ndev->dev.parent;
}
struct net_device *aq_nic_get_ndev(struct aq_nic_s *self)
{
return self->ndev;
}
int aq_nic_init(struct aq_nic_s *self)
{
struct aq_vec_s *aq_vec = NULL;
int err = 0;
unsigned int i = 0U;
self->power_state = AQ_HW_POWER_STATE_D0;
err = self->aq_hw_ops.hw_reset(self->aq_hw);
if (err < 0)
goto err_exit;
err = self->aq_hw_ops.hw_init(self->aq_hw,
aq_nic_get_ndev(self)->dev_addr);
if (err < 0)
goto err_exit;
for (i = 0U, aq_vec = self->aq_vec[0];
self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
aq_vec_init(aq_vec, &self->aq_hw_ops, self->aq_hw);
err_exit:
return err;
}
int aq_nic_start(struct aq_nic_s *self)
{
struct aq_vec_s *aq_vec = NULL;
int err = 0;
unsigned int i = 0U;
err = self->aq_hw_ops.hw_multicast_list_set(self->aq_hw,
self->mc_list.ar,
self->mc_list.count);
if (err < 0)
goto err_exit;
err = self->aq_hw_ops.hw_packet_filter_set(self->aq_hw,
self->packet_filter);
if (err < 0)
goto err_exit;
for (i = 0U, aq_vec = self->aq_vec[0];
self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
err = aq_vec_start(aq_vec);
if (err < 0)
goto err_exit;
}
err = self->aq_hw_ops.hw_start(self->aq_hw);
if (err < 0)
goto err_exit;
err = aq_nic_update_interrupt_moderation_settings(self);
if (err)
goto err_exit;
timer_setup(&self->service_timer, aq_nic_service_timer_cb, 0);
mod_timer(&self->service_timer, jiffies +
AQ_CFG_SERVICE_TIMER_INTERVAL);
if (self->aq_nic_cfg.is_polling) {
timer_setup(&self->polling_timer, aq_nic_polling_timer_cb, 0);
mod_timer(&self->polling_timer, jiffies +
AQ_CFG_POLLING_TIMER_INTERVAL);
} else {
for (i = 0U, aq_vec = self->aq_vec[0];
self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
err = aq_pci_func_alloc_irq(self->aq_pci_func, i,
self->ndev->name, aq_vec,
aq_vec_get_affinity_mask(aq_vec));
if (err < 0)
goto err_exit;
}
err = self->aq_hw_ops.hw_irq_enable(self->aq_hw,
AQ_CFG_IRQ_MASK);
if (err < 0)
goto err_exit;
}
err = netif_set_real_num_tx_queues(self->ndev, self->aq_vecs);
if (err < 0)
goto err_exit;
err = netif_set_real_num_rx_queues(self->ndev, self->aq_vecs);
if (err < 0)
goto err_exit;
netif_tx_start_all_queues(self->ndev);
err_exit:
return err;
}
static unsigned int aq_nic_map_skb(struct aq_nic_s *self,
struct sk_buff *skb,
struct aq_ring_s *ring)
{
unsigned int ret = 0U;
unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
unsigned int frag_count = 0U;
unsigned int dx = ring->sw_tail;
struct aq_ring_buff_s *first = NULL;
struct aq_ring_buff_s *dx_buff = &ring->buff_ring[dx];
if (unlikely(skb_is_gso(skb))) {
dx_buff->flags = 0U;
dx_buff->len_pkt = skb->len;
dx_buff->len_l2 = ETH_HLEN;
dx_buff->len_l3 = ip_hdrlen(skb);
dx_buff->len_l4 = tcp_hdrlen(skb);
dx_buff->mss = skb_shinfo(skb)->gso_size;
dx_buff->is_txc = 1U;
dx_buff->eop_index = 0xffffU;
dx_buff->is_ipv6 =
(ip_hdr(skb)->version == 6) ? 1U : 0U;
dx = aq_ring_next_dx(ring, dx);
dx_buff = &ring->buff_ring[dx];
++ret;
}
dx_buff->flags = 0U;
dx_buff->len = skb_headlen(skb);
dx_buff->pa = dma_map_single(aq_nic_get_dev(self),
skb->data,
dx_buff->len,
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa)))
goto exit;
first = dx_buff;
dx_buff->len_pkt = skb->len;
dx_buff->is_sop = 1U;
dx_buff->is_mapped = 1U;
++ret;
if (skb->ip_summed == CHECKSUM_PARTIAL) {
dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ?
1U : 0U;
if (ip_hdr(skb)->version == 4) {
dx_buff->is_tcp_cso =
(ip_hdr(skb)->protocol == IPPROTO_TCP) ?
1U : 0U;
dx_buff->is_udp_cso =
(ip_hdr(skb)->protocol == IPPROTO_UDP) ?
1U : 0U;
} else if (ip_hdr(skb)->version == 6) {
dx_buff->is_tcp_cso =
(ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP) ?
1U : 0U;
dx_buff->is_udp_cso =
(ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP) ?
1U : 0U;
}
}
for (; nr_frags--; ++frag_count) {
unsigned int frag_len = 0U;
unsigned int buff_offset = 0U;
unsigned int buff_size = 0U;
dma_addr_t frag_pa;
skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_count];
frag_len = skb_frag_size(frag);
while (frag_len) {
if (frag_len > AQ_CFG_TX_FRAME_MAX)
buff_size = AQ_CFG_TX_FRAME_MAX;
else
buff_size = frag_len;
frag_pa = skb_frag_dma_map(aq_nic_get_dev(self),
frag,
buff_offset,
buff_size,
DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(aq_nic_get_dev(self),
frag_pa)))
goto mapping_error;
dx = aq_ring_next_dx(ring, dx);
dx_buff = &ring->buff_ring[dx];
dx_buff->flags = 0U;
dx_buff->len = buff_size;
dx_buff->pa = frag_pa;
dx_buff->is_mapped = 1U;
dx_buff->eop_index = 0xffffU;
frag_len -= buff_size;
buff_offset += buff_size;
++ret;
}
}
first->eop_index = dx;
dx_buff->is_eop = 1U;
dx_buff->skb = skb;
goto exit;
mapping_error:
for (dx = ring->sw_tail;
ret > 0;
--ret, dx = aq_ring_next_dx(ring, dx)) {
dx_buff = &ring->buff_ring[dx];
if (!dx_buff->is_txc && dx_buff->pa) {
if (unlikely(dx_buff->is_sop)) {
dma_unmap_single(aq_nic_get_dev(self),
dx_buff->pa,
dx_buff->len,
DMA_TO_DEVICE);
} else {
dma_unmap_page(aq_nic_get_dev(self),
dx_buff->pa,
dx_buff->len,
DMA_TO_DEVICE);
}
}
}
exit:
return ret;
}
int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
{
struct aq_ring_s *ring = NULL;
unsigned int frags = 0U;
unsigned int vec = skb->queue_mapping % self->aq_nic_cfg.vecs;
unsigned int tc = 0U;
int err = NETDEV_TX_OK;
frags = skb_shinfo(skb)->nr_frags + 1;
ring = self->aq_ring_tx[AQ_NIC_TCVEC2RING(self, tc, vec)];
if (frags > AQ_CFG_SKB_FRAGS_MAX) {
dev_kfree_skb_any(skb);
goto err_exit;
}
aq_ring_update_queue_state(ring);
/* Above status update may stop the queue. Check this. */
if (__netif_subqueue_stopped(self->ndev, ring->idx)) {
err = NETDEV_TX_BUSY;
goto err_exit;
}
frags = aq_nic_map_skb(self, skb, ring);
if (likely(frags)) {
err = self->aq_hw_ops.hw_ring_tx_xmit(self->aq_hw,
ring,
frags);
if (err >= 0) {
++ring->stats.tx.packets;
ring->stats.tx.bytes += skb->len;
}
} else {
err = NETDEV_TX_BUSY;
}
err_exit:
return err;
}
int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self)
{
return self->aq_hw_ops.hw_interrupt_moderation_set(self->aq_hw);
}
int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags)
{
int err = 0;
err = self->aq_hw_ops.hw_packet_filter_set(self->aq_hw, flags);
if (err < 0)
goto err_exit;
self->packet_filter = flags;
err_exit:
return err;
}
int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
{
struct netdev_hw_addr *ha = NULL;
unsigned int i = 0U;
self->mc_list.count = 0U;
netdev_for_each_mc_addr(ha, ndev) {
ether_addr_copy(self->mc_list.ar[i++], ha->addr);
++self->mc_list.count;
if (i >= AQ_CFG_MULTICAST_ADDRESS_MAX)
break;
}
if (i >= AQ_CFG_MULTICAST_ADDRESS_MAX) {
/* Number of filters is too big: atlantic does not support this.
* Force all multi filter to support this.
* With this we disable all UC filters and setup "all pass"
* multicast mask
*/
self->packet_filter |= IFF_ALLMULTI;
self->aq_hw->aq_nic_cfg->mc_list_count = 0;
return self->aq_hw_ops.hw_packet_filter_set(self->aq_hw,
self->packet_filter);
} else {
return self->aq_hw_ops.hw_multicast_list_set(self->aq_hw,
self->mc_list.ar,
self->mc_list.count);
}
}
int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu)
{
self->aq_nic_cfg.mtu = new_mtu;
return 0;
}
int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev)
{
return self->aq_hw_ops.hw_set_mac_address(self->aq_hw, ndev->dev_addr);
}
unsigned int aq_nic_get_link_speed(struct aq_nic_s *self)
{
return self->link_status.mbps;
}
int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p)
{
u32 *regs_buff = p;
int err = 0;
regs->version = 1;
err = self->aq_hw_ops.hw_get_regs(self->aq_hw,
&self->aq_hw_caps, regs_buff);
if (err < 0)
goto err_exit;
err_exit:
return err;
}
int aq_nic_get_regs_count(struct aq_nic_s *self)
{
return self->aq_hw_caps.mac_regs_count;
}
void aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
{
unsigned int i = 0U;
unsigned int count = 0U;
struct aq_vec_s *aq_vec = NULL;
struct aq_stats_s *stats = self->aq_hw_ops.hw_get_hw_stats(self->aq_hw);
if (!stats)
goto err_exit;
data[i] = stats->uprc + stats->mprc + stats->bprc;
data[++i] = stats->uprc;
data[++i] = stats->mprc;
data[++i] = stats->bprc;
data[++i] = stats->erpt;
data[++i] = stats->uptc + stats->mptc + stats->bptc;
data[++i] = stats->uptc;
data[++i] = stats->mptc;
data[++i] = stats->bptc;
data[++i] = stats->ubrc;
data[++i] = stats->ubtc;
data[++i] = stats->mbrc;
data[++i] = stats->mbtc;
data[++i] = stats->bbrc;
data[++i] = stats->bbtc;
data[++i] = stats->ubrc + stats->mbrc + stats->bbrc;
data[++i] = stats->ubtc + stats->mbtc + stats->bbtc;
data[++i] = stats->dma_pkt_rc;
data[++i] = stats->dma_pkt_tc;
data[++i] = stats->dma_oct_rc;
data[++i] = stats->dma_oct_tc;
data[++i] = stats->dpc;
i++;
data += i;
count = 0U;
for (i = 0U, aq_vec = self->aq_vec[0];
aq_vec && self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
data += count;
aq_vec_get_sw_stats(aq_vec, data, &count);
}
err_exit:;
}
static void aq_nic_update_ndev_stats(struct aq_nic_s *self)
{
struct net_device *ndev = self->ndev;
struct aq_stats_s *stats = self->aq_hw_ops.hw_get_hw_stats(self->aq_hw);
ndev->stats.rx_packets = stats->uprc + stats->mprc + stats->bprc;
ndev->stats.rx_bytes = stats->ubrc + stats->mbrc + stats->bbrc;
ndev->stats.rx_errors = stats->erpr;
ndev->stats.tx_packets = stats->uptc + stats->mptc + stats->bptc;
ndev->stats.tx_bytes = stats->ubtc + stats->mbtc + stats->bbtc;
ndev->stats.tx_errors = stats->erpt;
ndev->stats.multicast = stats->mprc;
}
void aq_nic_get_link_ksettings(struct aq_nic_s *self,
struct ethtool_link_ksettings *cmd)
{
cmd->base.port = PORT_TP;
/* This driver supports only 10G capable adapters, so DUPLEX_FULL */
cmd->base.duplex = DUPLEX_FULL;
cmd->base.autoneg = self->aq_nic_cfg.is_autoneg;
ethtool_link_ksettings_zero_link_mode(cmd, supported);
if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_10G)
ethtool_link_ksettings_add_link_mode(cmd, supported,
10000baseT_Full);
if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_5G)
ethtool_link_ksettings_add_link_mode(cmd, supported,
5000baseT_Full);
if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_2GS)
ethtool_link_ksettings_add_link_mode(cmd, supported,
2500baseT_Full);
if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_1G)
ethtool_link_ksettings_add_link_mode(cmd, supported,
1000baseT_Full);
if (self->aq_hw_caps.link_speed_msk & AQ_NIC_RATE_100M)
ethtool_link_ksettings_add_link_mode(cmd, supported,
100baseT_Full);
if (self->aq_hw_caps.flow_control)
ethtool_link_ksettings_add_link_mode(cmd, supported,
Pause);
ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
ethtool_link_ksettings_zero_link_mode(cmd, advertising);
if (self->aq_nic_cfg.is_autoneg)
ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10G)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
10000baseT_Full);
if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_5G)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
5000baseT_Full);
if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2GS)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
2500baseT_Full);
if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_1G)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
1000baseT_Full);
if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_100M)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
100baseT_Full);
if (self->aq_nic_cfg.flow_control)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
Pause);
ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
}
int aq_nic_set_link_ksettings(struct aq_nic_s *self,
const struct ethtool_link_ksettings *cmd)
{
u32 speed = 0U;
u32 rate = 0U;
int err = 0;
if (cmd->base.autoneg == AUTONEG_ENABLE) {
rate = self->aq_hw_caps.link_speed_msk;
self->aq_nic_cfg.is_autoneg = true;
} else {
speed = cmd->base.speed;
switch (speed) {
case SPEED_100:
rate = AQ_NIC_RATE_100M;
break;
case SPEED_1000:
rate = AQ_NIC_RATE_1G;
break;
case SPEED_2500:
rate = AQ_NIC_RATE_2GS;
break;
case SPEED_5000:
rate = AQ_NIC_RATE_5G;
break;
case SPEED_10000:
rate = AQ_NIC_RATE_10G;
break;
default:
err = -1;
goto err_exit;
break;
}
if (!(self->aq_hw_caps.link_speed_msk & rate)) {
err = -1;
goto err_exit;
}
self->aq_nic_cfg.is_autoneg = false;
}
err = self->aq_hw_ops.hw_set_link_speed(self->aq_hw, rate);
if (err < 0)
goto err_exit;
self->aq_nic_cfg.link_speed_msk = rate;
err_exit:
return err;
}
struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self)
{
return &self->aq_nic_cfg;
}
u32 aq_nic_get_fw_version(struct aq_nic_s *self)
{
u32 fw_version = 0U;
self->aq_hw_ops.hw_get_fw_version(self->aq_hw, &fw_version);
return fw_version;
}
int aq_nic_stop(struct aq_nic_s *self)
{
struct aq_vec_s *aq_vec = NULL;
unsigned int i = 0U;
netif_tx_disable(self->ndev);
netif_carrier_off(self->ndev);
del_timer_sync(&self->service_timer);
self->aq_hw_ops.hw_irq_disable(self->aq_hw, AQ_CFG_IRQ_MASK);
if (self->aq_nic_cfg.is_polling)
del_timer_sync(&self->polling_timer);
else
aq_pci_func_free_irqs(self->aq_pci_func);
for (i = 0U, aq_vec = self->aq_vec[0];
self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
aq_vec_stop(aq_vec);
return self->aq_hw_ops.hw_stop(self->aq_hw);
}
void aq_nic_deinit(struct aq_nic_s *self)
{
struct aq_vec_s *aq_vec = NULL;
unsigned int i = 0U;
if (!self)
goto err_exit;
for (i = 0U, aq_vec = self->aq_vec[0];
self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
aq_vec_deinit(aq_vec);
if (self->power_state == AQ_HW_POWER_STATE_D0) {
(void)self->aq_hw_ops.hw_deinit(self->aq_hw);
} else {
(void)self->aq_hw_ops.hw_set_power(self->aq_hw,
self->power_state);
}
err_exit:;
}
void aq_nic_free_hot_resources(struct aq_nic_s *self)
{
unsigned int i = 0U;
if (!self)
goto err_exit;
for (i = ARRAY_SIZE(self->aq_vec); i--;) {
if (self->aq_vec[i]) {
aq_vec_free(self->aq_vec[i]);
self->aq_vec[i] = NULL;
}
}
err_exit:;
}
int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg)
{
int err = 0;
if (!netif_running(self->ndev)) {
err = 0;
goto out;
}
rtnl_lock();
if (pm_msg->event & PM_EVENT_SLEEP || pm_msg->event & PM_EVENT_FREEZE) {
self->power_state = AQ_HW_POWER_STATE_D3;
netif_device_detach(self->ndev);
netif_tx_stop_all_queues(self->ndev);
err = aq_nic_stop(self);
if (err < 0)
goto err_exit;
aq_nic_deinit(self);
} else {
err = aq_nic_init(self);
if (err < 0)
goto err_exit;
err = aq_nic_start(self);
if (err < 0)
goto err_exit;
netif_device_attach(self->ndev);
netif_tx_start_all_queues(self->ndev);
}
err_exit:
rtnl_unlock();
out:
return err;
}
Reference in New Issue View Git Blame Copy Permalink