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path: root/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.c79
1 files changed, 56 insertions, 23 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index b03b8758c777..bfa5568baa92 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -11,6 +11,7 @@
#include <linux/irq.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
+#include <linux/iommu.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/skbuff.h>
@@ -547,9 +548,9 @@ void hns3_set_vector_coalesce_rx_ql(struct hns3_enet_tqp_vector *tqp_vector,
static void hns3_vector_coalesce_init(struct hns3_enet_tqp_vector *tqp_vector,
struct hns3_nic_priv *priv)
{
- struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev);
struct hns3_enet_coalesce *tx_coal = &tqp_vector->tx_group.coal;
struct hns3_enet_coalesce *rx_coal = &tqp_vector->rx_group.coal;
+ struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(priv->ae_handle);
struct hns3_enet_coalesce *ptx_coal = &priv->tx_coal;
struct hns3_enet_coalesce *prx_coal = &priv->rx_coal;
@@ -960,7 +961,7 @@ static void hns3_nic_set_rx_mode(struct net_device *netdev)
void hns3_request_update_promisc_mode(struct hnae3_handle *handle)
{
- const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+ const struct hnae3_ae_ops *ops = hns3_get_ops(handle);
if (ops->request_update_promisc_mode)
ops->request_update_promisc_mode(handle);
@@ -1039,6 +1040,8 @@ static bool hns3_can_use_tx_sgl(struct hns3_enet_ring *ring,
static void hns3_init_tx_spare_buffer(struct hns3_enet_ring *ring)
{
u32 alloc_size = ring->tqp->handle->kinfo.tx_spare_buf_size;
+ struct net_device *netdev = ring_to_netdev(ring);
+ struct hns3_nic_priv *priv = netdev_priv(netdev);
struct hns3_tx_spare *tx_spare;
struct page *page;
dma_addr_t dma;
@@ -1080,6 +1083,7 @@ static void hns3_init_tx_spare_buffer(struct hns3_enet_ring *ring)
tx_spare->buf = page_address(page);
tx_spare->len = PAGE_SIZE << order;
ring->tx_spare = tx_spare;
+ ring->tx_copybreak = priv->tx_copybreak;
return;
dma_mapping_error:
@@ -1304,7 +1308,7 @@ static int hns3_get_l4_protocol(struct sk_buff *skb, u8 *ol4_proto,
static bool hns3_tunnel_csum_bug(struct sk_buff *skb)
{
struct hns3_nic_priv *priv = netdev_priv(skb->dev);
- struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev);
+ struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(priv->ae_handle);
union l4_hdr_info l4;
/* device version above V3(include V3), the hardware can
@@ -1504,7 +1508,7 @@ static int hns3_handle_vtags(struct hns3_enet_ring *tx_ring,
* VLAN enabled, only one VLAN header is allowed in skb, otherwise it
* will cause RAS error.
*/
- ae_dev = pci_get_drvdata(handle->pdev);
+ ae_dev = hns3_get_ae_dev(handle);
if (unlikely(skb_vlan_tagged_multi(skb) &&
ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2 &&
handle->port_base_vlan_state ==
@@ -1690,8 +1694,8 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, dma_addr_t dma,
#define HNS3_LIKELY_BD_NUM 1
struct hns3_desc *desc = &ring->desc[ring->next_to_use];
- unsigned int frag_buf_num;
- int k, sizeoflast;
+ unsigned int frag_buf_num, k;
+ int sizeoflast;
if (likely(size <= HNS3_MAX_BD_SIZE)) {
desc->addr = cpu_to_le64(dma);
@@ -1863,7 +1867,7 @@ static bool hns3_skb_need_linearized(struct sk_buff *skb, unsigned int *bd_size,
unsigned int bd_num, u8 max_non_tso_bd_num)
{
unsigned int tot_len = 0;
- int i;
+ unsigned int i;
for (i = 0; i < max_non_tso_bd_num - 1U; i++)
tot_len += bd_size[i];
@@ -1891,7 +1895,7 @@ static bool hns3_skb_need_linearized(struct sk_buff *skb, unsigned int *bd_size,
void hns3_shinfo_pack(struct skb_shared_info *shinfo, __u32 *size)
{
- int i;
+ u32 i;
for (i = 0; i < MAX_SKB_FRAGS; i++)
size[i] = skb_frag_size(&shinfo->frags[i]);
@@ -2106,7 +2110,7 @@ static void hns3_tx_doorbell(struct hns3_enet_ring *ring, int num,
*/
if (test_bit(HNS3_NIC_STATE_TX_PUSH_ENABLE, &priv->state) && num &&
!ring->pending_buf && num <= HNS3_MAX_PUSH_BD_NUM && doorbell) {
- /* This smp_store_release() pairs with smp_load_aquire() in
+ /* This smp_store_release() pairs with smp_load_acquire() in
* hns3_nic_reclaim_desc(). Ensure that the BD valid bit
* is updated.
*/
@@ -2122,7 +2126,7 @@ static void hns3_tx_doorbell(struct hns3_enet_ring *ring, int num,
return;
}
- /* This smp_store_release() pairs with smp_load_aquire() in
+ /* This smp_store_release() pairs with smp_load_acquire() in
* hns3_nic_reclaim_desc(). Ensure that the BD valid bit is updated.
*/
smp_store_release(&ring->last_to_use, ring->next_to_use);
@@ -2207,9 +2211,9 @@ static int hns3_handle_tx_sgl(struct hns3_enet_ring *ring,
struct hns3_desc_cb *desc_cb = &ring->desc_cb[ring->next_to_use];
u32 nfrag = skb_shinfo(skb)->nr_frags + 1;
struct sg_table *sgt;
- int i, bd_num = 0;
+ int bd_num = 0;
dma_addr_t dma;
- u32 cb_len;
+ u32 cb_len, i;
int nents;
if (skb_has_frag_list(skb))
@@ -2447,7 +2451,7 @@ static int hns3_nic_set_features(struct net_device *netdev,
if ((netdev->features & NETIF_F_HW_TC) > (features & NETIF_F_HW_TC) &&
h->ae_algo->ops->cls_flower_active(h)) {
netdev_err(netdev,
- "there are offloaded TC filters active, cannot disable HW TC offload");
+ "there are offloaded TC filters active, cannot disable HW TC offload\n");
return -EINVAL;
}
@@ -2544,7 +2548,7 @@ static void hns3_nic_get_stats64(struct net_device *netdev,
struct hnae3_handle *handle = priv->ae_handle;
struct rtnl_link_stats64 ring_total_stats;
struct hns3_enet_ring *ring;
- unsigned int idx;
+ int idx;
if (test_bit(HNS3_NIC_STATE_DOWN, &priv->state))
return;
@@ -2770,7 +2774,7 @@ static int hns3_nic_change_mtu(struct net_device *netdev, int new_mtu)
static int hns3_get_timeout_queue(struct net_device *ndev)
{
- int i;
+ unsigned int i;
/* Find the stopped queue the same way the stack does */
for (i = 0; i < ndev->num_tx_queues; i++) {
@@ -2851,7 +2855,7 @@ static bool hns3_get_tx_timeo_queue_info(struct net_device *ndev)
struct hns3_nic_priv *priv = netdev_priv(ndev);
struct hnae3_handle *h = hns3_get_handle(ndev);
struct hns3_enet_ring *tx_ring;
- int timeout_queue;
+ u32 timeout_queue;
timeout_queue = hns3_get_timeout_queue(ndev);
if (timeout_queue >= ndev->num_tx_queues) {
@@ -3821,7 +3825,7 @@ static int hns3_gro_complete(struct sk_buff *skb, u32 l234info)
{
__be16 type = skb->protocol;
struct tcphdr *th;
- int depth = 0;
+ u32 depth = 0;
while (eth_type_vlan(type)) {
struct vlan_hdr *vh;
@@ -4747,7 +4751,7 @@ map_ring_fail:
static void hns3_nic_init_coal_cfg(struct hns3_nic_priv *priv)
{
- struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev);
+ struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(priv->ae_handle);
struct hns3_enet_coalesce *tx_coal = &priv->tx_coal;
struct hns3_enet_coalesce *rx_coal = &priv->rx_coal;
@@ -4874,6 +4878,30 @@ static void hns3_nic_dealloc_vector_data(struct hns3_nic_priv *priv)
devm_kfree(&pdev->dev, priv->tqp_vector);
}
+static void hns3_update_tx_spare_buf_config(struct hns3_nic_priv *priv)
+{
+#define HNS3_MIN_SPARE_BUF_SIZE (2 * 1024 * 1024)
+#define HNS3_MAX_PACKET_SIZE (64 * 1024)
+
+ struct iommu_domain *domain = iommu_get_domain_for_dev(priv->dev);
+ struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(priv->ae_handle);
+ struct hnae3_handle *handle = priv->ae_handle;
+
+ if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V3)
+ return;
+
+ if (!(domain && iommu_is_dma_domain(domain)))
+ return;
+
+ priv->min_tx_copybreak = HNS3_MAX_PACKET_SIZE;
+ priv->min_tx_spare_buf_size = HNS3_MIN_SPARE_BUF_SIZE;
+
+ if (priv->tx_copybreak < priv->min_tx_copybreak)
+ priv->tx_copybreak = priv->min_tx_copybreak;
+ if (handle->kinfo.tx_spare_buf_size < priv->min_tx_spare_buf_size)
+ handle->kinfo.tx_spare_buf_size = priv->min_tx_spare_buf_size;
+}
+
static void hns3_ring_get_cfg(struct hnae3_queue *q, struct hns3_nic_priv *priv,
unsigned int ring_type)
{
@@ -5107,6 +5135,7 @@ int hns3_init_all_ring(struct hns3_nic_priv *priv)
int i, j;
int ret;
+ hns3_update_tx_spare_buf_config(priv);
for (i = 0; i < ring_num; i++) {
ret = hns3_alloc_ring_memory(&priv->ring[i]);
if (ret) {
@@ -5226,7 +5255,7 @@ static void hns3_info_show(struct hns3_nic_priv *priv)
static void hns3_set_cq_period_mode(struct hns3_nic_priv *priv,
enum dim_cq_period_mode mode, bool is_tx)
{
- struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev);
+ struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(priv->ae_handle);
struct hnae3_handle *handle = priv->ae_handle;
int i;
@@ -5264,7 +5293,7 @@ void hns3_cq_period_mode_init(struct hns3_nic_priv *priv,
static void hns3_state_init(struct hnae3_handle *handle)
{
- struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
+ struct hnae3_ae_dev *ae_dev = hns3_get_ae_dev(handle);
struct net_device *netdev = handle->kinfo.netdev;
struct hns3_nic_priv *priv = netdev_priv(netdev);
@@ -5299,6 +5328,8 @@ static int hns3_client_init(struct hnae3_handle *handle)
struct net_device *netdev;
int ret;
+ ae_dev->handle = handle;
+
handle->ae_algo->ops->get_tqps_and_rss_info(handle, &alloc_tqps,
&max_rss_size);
netdev = alloc_etherdev_mq(sizeof(struct hns3_nic_priv), alloc_tqps);
@@ -5311,6 +5342,8 @@ static int hns3_client_init(struct hnae3_handle *handle)
priv->ae_handle = handle;
priv->tx_timeout_count = 0;
priv->max_non_tso_bd_num = ae_dev->dev_specs.max_non_tso_bd_num;
+ priv->min_tx_copybreak = 0;
+ priv->min_tx_spare_buf_size = 0;
set_bit(HNS3_NIC_STATE_DOWN, &priv->state);
handle->msg_enable = netif_msg_init(debug, DEFAULT_MSG_LEVEL);
@@ -5934,7 +5967,7 @@ static const struct hns3_hw_error_info hns3_hw_err[] = {
static void hns3_process_hw_error(struct hnae3_handle *handle,
enum hnae3_hw_error_type type)
{
- int i;
+ u32 i;
for (i = 0; i < ARRAY_SIZE(hns3_hw_err); i++) {
if (hns3_hw_err[i].type == type) {
@@ -5961,8 +5994,8 @@ static int __init hns3_init_module(void)
{
int ret;
- pr_info("%s: %s - version\n", hns3_driver_name, hns3_driver_string);
- pr_info("%s: %s\n", hns3_driver_name, hns3_copyright);
+ pr_debug("%s: %s - version\n", hns3_driver_name, hns3_driver_string);
+ pr_debug("%s: %s\n", hns3_driver_name, hns3_copyright);
client.type = HNAE3_CLIENT_KNIC;
snprintf(client.name, HNAE3_CLIENT_NAME_LENGTH, "%s",
generated by cgit (git 2.34.1) at 2025-07-31 00:57:10 +0000