This patchset includes some cleanups and optimizations for the HNS3
ethernet driver.
[patch 1/8] removes unused and unnecessary structures.
[patch 2/8] uses a ETH_ALEN u8 array to replace two mac_addr_*
field in struct hclge_mac_mgr_tbl_entry_cmd.
[patch 3/8] optimizes the barrier used in the IO path.
[patch 4/8] introduces macro ring_to_netdev() to get netdevive
from struct hns3_enet_ring variable.
[patch 5/8] makes struct hns3_enet_ring to be cacheline aligned
[patch 6/8] adds a minor cleanup for hns3_handle_rx_bd().
[patch 7/8] removes linear data allocating for fraglist SKB.
[patch 8/8] clears hardware error when resetting.
---
note:
In previous patchset, there are some bugfixes which needs below
new feature, which is only in 'net-next' but not in 'net' now:
net: hns3: support tx-scatter-gather-fraglist feature
net: hns3: add support for spoof check setting
So, these bugfixes will be upstreamed when the patch needed is
on 'net' tree.
---
Guojia Liao (1):
net: hns3: optimized MAC address in management table.
Jian Shen (1):
net: hns3: log and clear hardware error after reset complete
Yunsheng Lin (6):
net: hns3: remove struct hns3_nic_ring_data in hns3_enet module
net: hns3: minor optimization for barrier in IO path
net: hns3: introduce ring_to_netdev() in enet module
net: hns3: make struct hns3_enet_ring cacheline aligned
net: hns3: minor cleanup for hns3_handle_rx_bd()
net: hns3: do not allocate linear data for fraglist skb
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 24 +--
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 204 ++++++++-------------
drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 20 +-
drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 33 ++--
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 4 +-
.../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 6 +-
6 files changed, 111 insertions(+), 180 deletions(-)
--
2.7.4
From: Jian Shen <[email protected]>
When device is resetting, the CMDQ service may be stopped until
reset completed. If a new RAS error occurs at this moment, it
will no be able to clear the RAS source. This patch fixes it
by clear the RAS source after reset complete.
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Huazhong Tan <[email protected]>
---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index ffdb8ce..95c3897 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -9781,6 +9781,9 @@ static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev)
return ret;
}
+ /* Log and clear the hw errors those already occurred */
+ hclge_handle_all_hns_hw_errors(ae_dev);
+
/* Re-enable the hw error interrupts because
* the interrupts get disabled on global reset.
*/
--
2.7.4
From: Yunsheng Lin <[email protected]>
Only the queue_index field in struct hns3_nic_ring_data is
used, other field is unused and unnecessary for hns3 driver,
so this patch removes it and move the queue_index field to
hns3_enet_ring.
This patch also removes an unused struct hns_queue declaration.
Signed-off-by: Yunsheng Lin <[email protected]>
Signed-off-by: Huazhong Tan <[email protected]>
---
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 24 ++--
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 139 +++++++--------------
drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 16 +--
drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 33 +++--
4 files changed, 74 insertions(+), 138 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 28961a6..fe5bc6f 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -16,15 +16,14 @@ static int hns3_dbg_queue_info(struct hnae3_handle *h,
const char *cmd_buf)
{
struct hns3_nic_priv *priv = h->priv;
- struct hns3_nic_ring_data *ring_data;
struct hns3_enet_ring *ring;
u32 base_add_l, base_add_h;
u32 queue_num, queue_max;
u32 value, i = 0;
int cnt;
- if (!priv->ring_data) {
- dev_err(&h->pdev->dev, "ring_data is NULL\n");
+ if (!priv->ring) {
+ dev_err(&h->pdev->dev, "priv->ring is NULL\n");
return -EFAULT;
}
@@ -44,7 +43,6 @@ static int hns3_dbg_queue_info(struct hnae3_handle *h,
return -EINVAL;
}
- ring_data = priv->ring_data;
for (i = queue_num; i < queue_max; i++) {
/* Each cycle needs to determine whether the instance is reset,
* to prevent reference to invalid memory. And need to ensure
@@ -54,7 +52,7 @@ static int hns3_dbg_queue_info(struct hnae3_handle *h,
test_bit(HNS3_NIC_STATE_RESETTING, &priv->state))
return -EPERM;
- ring = ring_data[(u32)(i + h->kinfo.num_tqps)].ring;
+ ring = &priv->ring[(u32)(i + h->kinfo.num_tqps)];
base_add_h = readl_relaxed(ring->tqp->io_base +
HNS3_RING_RX_RING_BASEADDR_H_REG);
base_add_l = readl_relaxed(ring->tqp->io_base +
@@ -86,7 +84,7 @@ static int hns3_dbg_queue_info(struct hnae3_handle *h,
HNS3_RING_RX_RING_PKTNUM_RECORD_REG);
dev_info(&h->pdev->dev, "RX(%d) RING PKTNUM: %u\n", i, value);
- ring = ring_data[i].ring;
+ ring = &priv->ring[i];
base_add_h = readl_relaxed(ring->tqp->io_base +
HNS3_RING_TX_RING_BASEADDR_H_REG);
base_add_l = readl_relaxed(ring->tqp->io_base +
@@ -130,7 +128,6 @@ static int hns3_dbg_queue_info(struct hnae3_handle *h,
static int hns3_dbg_queue_map(struct hnae3_handle *h)
{
struct hns3_nic_priv *priv = h->priv;
- struct hns3_nic_ring_data *ring_data;
int i;
if (!h->ae_algo->ops->get_global_queue_id)
@@ -143,15 +140,12 @@ static int hns3_dbg_queue_map(struct hnae3_handle *h)
u16 global_qid;
global_qid = h->ae_algo->ops->get_global_queue_id(h, i);
- ring_data = &priv->ring_data[i];
- if (!ring_data || !ring_data->ring ||
- !ring_data->ring->tqp_vector)
+ if (!priv->ring || !priv->ring[i].tqp_vector)
continue;
dev_info(&h->pdev->dev,
" %4d %4d %4d\n",
- i, global_qid,
- ring_data->ring->tqp_vector->vector_irq);
+ i, global_qid, priv->ring[i].tqp_vector->vector_irq);
}
return 0;
@@ -160,7 +154,6 @@ static int hns3_dbg_queue_map(struct hnae3_handle *h)
static int hns3_dbg_bd_info(struct hnae3_handle *h, const char *cmd_buf)
{
struct hns3_nic_priv *priv = h->priv;
- struct hns3_nic_ring_data *ring_data;
struct hns3_desc *rx_desc, *tx_desc;
struct device *dev = &h->pdev->dev;
struct hns3_enet_ring *ring;
@@ -183,8 +176,7 @@ static int hns3_dbg_bd_info(struct hnae3_handle *h, const char *cmd_buf)
return -EINVAL;
}
- ring_data = priv->ring_data;
- ring = ring_data[q_num].ring;
+ ring = &priv->ring[q_num];
value = readl_relaxed(ring->tqp->io_base + HNS3_RING_TX_RING_TAIL_REG);
tx_index = (cnt == 1) ? value : tx_index;
@@ -214,7 +206,7 @@ static int hns3_dbg_bd_info(struct hnae3_handle *h, const char *cmd_buf)
dev_info(dev, "(TX)vld_ra_ri: %u\n", tx_desc->tx.bdtp_fe_sc_vld_ra_ri);
dev_info(dev, "(TX)mss: %u\n", tx_desc->tx.mss);
- ring = ring_data[q_num + h->kinfo.num_tqps].ring;
+ ring = &priv->ring[q_num + h->kinfo.num_tqps];
value = readl_relaxed(ring->tqp->io_base + HNS3_RING_RX_RING_TAIL_REG);
rx_index = (cnt == 1) ? value : tx_index;
rx_desc = &ring->desc[rx_index];
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 6e0b261..635bdda 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -483,7 +483,7 @@ static void hns3_reset_tx_queue(struct hnae3_handle *h)
for (i = 0; i < h->kinfo.num_tqps; i++) {
dev_queue = netdev_get_tx_queue(ndev,
- priv->ring_data[i].queue_index);
+ priv->ring[i].queue_index);
netdev_tx_reset_queue(dev_queue);
}
}
@@ -1390,9 +1390,7 @@ static int hns3_fill_skb_to_desc(struct hns3_enet_ring *ring,
netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev)
{
struct hns3_nic_priv *priv = netdev_priv(netdev);
- struct hns3_nic_ring_data *ring_data =
- &tx_ring_data(priv, skb->queue_mapping);
- struct hns3_enet_ring *ring = ring_data->ring;
+ struct hns3_enet_ring *ring = &priv->ring[skb->queue_mapping];
struct netdev_queue *dev_queue;
int pre_ntu, next_to_use_head;
struct sk_buff *frag_skb;
@@ -1444,7 +1442,7 @@ netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev)
cpu_to_le16(BIT(HNS3_TXD_FE_B));
/* Complete translate all packets */
- dev_queue = netdev_get_tx_queue(netdev, ring_data->queue_index);
+ dev_queue = netdev_get_tx_queue(netdev, ring->queue_index);
netdev_tx_sent_queue(dev_queue, skb->len);
wmb(); /* Commit all data before submit */
@@ -1461,7 +1459,7 @@ netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev)
return NETDEV_TX_OK;
out_net_tx_busy:
- netif_stop_subqueue(netdev, ring_data->queue_index);
+ netif_stop_subqueue(netdev, ring->queue_index);
smp_mb(); /* Commit all data before submit */
return NETDEV_TX_BUSY;
@@ -1584,7 +1582,7 @@ static void hns3_nic_get_stats64(struct net_device *netdev,
for (idx = 0; idx < queue_num; idx++) {
/* fetch the tx stats */
- ring = priv->ring_data[idx].ring;
+ ring = &priv->ring[idx];
do {
start = u64_stats_fetch_begin_irq(&ring->syncp);
tx_bytes += ring->stats.tx_bytes;
@@ -1602,7 +1600,7 @@ static void hns3_nic_get_stats64(struct net_device *netdev,
} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
/* fetch the rx stats */
- ring = priv->ring_data[idx + queue_num].ring;
+ ring = &priv->ring[idx + queue_num];
do {
start = u64_stats_fetch_begin_irq(&ring->syncp);
rx_bytes += ring->stats.rx_bytes;
@@ -1807,7 +1805,7 @@ static bool hns3_get_tx_timeo_queue_info(struct net_device *ndev)
priv->tx_timeout_count++;
- tx_ring = priv->ring_data[timeout_queue].ring;
+ tx_ring = &priv->ring[timeout_queue];
napi = &tx_ring->tqp_vector->napi;
netdev_info(ndev,
@@ -3484,13 +3482,13 @@ static int hns3_nic_init_vector_data(struct hns3_nic_priv *priv)
tqp_vector = &priv->tqp_vector[vector_i];
hns3_add_ring_to_group(&tqp_vector->tx_group,
- priv->ring_data[i].ring);
+ &priv->ring[i]);
hns3_add_ring_to_group(&tqp_vector->rx_group,
- priv->ring_data[i + tqp_num].ring);
+ &priv->ring[i + tqp_num]);
- priv->ring_data[i].ring->tqp_vector = tqp_vector;
- priv->ring_data[i + tqp_num].ring->tqp_vector = tqp_vector;
+ priv->ring[i].tqp_vector = tqp_vector;
+ priv->ring[i + tqp_num].tqp_vector = tqp_vector;
tqp_vector->num_tqps++;
}
@@ -3634,28 +3632,22 @@ static int hns3_nic_dealloc_vector_data(struct hns3_nic_priv *priv)
return 0;
}
-static int hns3_ring_get_cfg(struct hnae3_queue *q, struct hns3_nic_priv *priv,
- unsigned int ring_type)
+static void hns3_ring_get_cfg(struct hnae3_queue *q, struct hns3_nic_priv *priv,
+ unsigned int ring_type)
{
- struct hns3_nic_ring_data *ring_data = priv->ring_data;
int queue_num = priv->ae_handle->kinfo.num_tqps;
- struct pci_dev *pdev = priv->ae_handle->pdev;
struct hns3_enet_ring *ring;
int desc_num;
- ring = devm_kzalloc(&pdev->dev, sizeof(*ring), GFP_KERNEL);
- if (!ring)
- return -ENOMEM;
-
if (ring_type == HNAE3_RING_TYPE_TX) {
+ ring = &priv->ring[q->tqp_index];
desc_num = priv->ae_handle->kinfo.num_tx_desc;
- ring_data[q->tqp_index].ring = ring;
- ring_data[q->tqp_index].queue_index = q->tqp_index;
+ ring->queue_index = q->tqp_index;
ring->io_base = (u8 __iomem *)q->io_base + HNS3_TX_REG_OFFSET;
} else {
+ ring = &priv->ring[q->tqp_index + queue_num];
desc_num = priv->ae_handle->kinfo.num_rx_desc;
- ring_data[q->tqp_index + queue_num].ring = ring;
- ring_data[q->tqp_index + queue_num].queue_index = q->tqp_index;
+ ring->queue_index = q->tqp_index;
ring->io_base = q->io_base;
}
@@ -3670,76 +3662,41 @@ static int hns3_ring_get_cfg(struct hnae3_queue *q, struct hns3_nic_priv *priv,
ring->desc_num = desc_num;
ring->next_to_use = 0;
ring->next_to_clean = 0;
-
- return 0;
}
-static int hns3_queue_to_ring(struct hnae3_queue *tqp,
- struct hns3_nic_priv *priv)
+static void hns3_queue_to_ring(struct hnae3_queue *tqp,
+ struct hns3_nic_priv *priv)
{
- int ret;
-
- ret = hns3_ring_get_cfg(tqp, priv, HNAE3_RING_TYPE_TX);
- if (ret)
- return ret;
-
- ret = hns3_ring_get_cfg(tqp, priv, HNAE3_RING_TYPE_RX);
- if (ret) {
- devm_kfree(priv->dev, priv->ring_data[tqp->tqp_index].ring);
- return ret;
- }
-
- return 0;
+ hns3_ring_get_cfg(tqp, priv, HNAE3_RING_TYPE_TX);
+ hns3_ring_get_cfg(tqp, priv, HNAE3_RING_TYPE_RX);
}
static int hns3_get_ring_config(struct hns3_nic_priv *priv)
{
struct hnae3_handle *h = priv->ae_handle;
struct pci_dev *pdev = h->pdev;
- int i, ret;
+ int i;
- priv->ring_data = devm_kzalloc(&pdev->dev,
- array3_size(h->kinfo.num_tqps,
- sizeof(*priv->ring_data),
- 2),
- GFP_KERNEL);
- if (!priv->ring_data)
+ priv->ring = devm_kzalloc(&pdev->dev,
+ array3_size(h->kinfo.num_tqps,
+ sizeof(*priv->ring), 2),
+ GFP_KERNEL);
+ if (!priv->ring)
return -ENOMEM;
- for (i = 0; i < h->kinfo.num_tqps; i++) {
- ret = hns3_queue_to_ring(h->kinfo.tqp[i], priv);
- if (ret)
- goto err;
- }
+ for (i = 0; i < h->kinfo.num_tqps; i++)
+ hns3_queue_to_ring(h->kinfo.tqp[i], priv);
return 0;
-err:
- while (i--) {
- devm_kfree(priv->dev, priv->ring_data[i].ring);
- devm_kfree(priv->dev,
- priv->ring_data[i + h->kinfo.num_tqps].ring);
- }
-
- devm_kfree(&pdev->dev, priv->ring_data);
- priv->ring_data = NULL;
- return ret;
}
static void hns3_put_ring_config(struct hns3_nic_priv *priv)
{
- struct hnae3_handle *h = priv->ae_handle;
- int i;
-
- if (!priv->ring_data)
+ if (!priv->ring)
return;
- for (i = 0; i < h->kinfo.num_tqps; i++) {
- devm_kfree(priv->dev, priv->ring_data[i].ring);
- devm_kfree(priv->dev,
- priv->ring_data[i + h->kinfo.num_tqps].ring);
- }
- devm_kfree(priv->dev, priv->ring_data);
- priv->ring_data = NULL;
+ devm_kfree(priv->dev, priv->ring);
+ priv->ring = NULL;
}
static int hns3_alloc_ring_memory(struct hns3_enet_ring *ring)
@@ -3856,7 +3813,7 @@ static void hns3_init_tx_ring_tc(struct hns3_nic_priv *priv)
for (j = 0; j < tc_info->tqp_count; j++) {
struct hnae3_queue *q;
- q = priv->ring_data[tc_info->tqp_offset + j].ring->tqp;
+ q = priv->ring[tc_info->tqp_offset + j].tqp;
hns3_write_dev(q, HNS3_RING_TX_RING_TC_REG,
tc_info->tc);
}
@@ -3871,21 +3828,21 @@ int hns3_init_all_ring(struct hns3_nic_priv *priv)
int ret;
for (i = 0; i < ring_num; i++) {
- ret = hns3_alloc_ring_memory(priv->ring_data[i].ring);
+ ret = hns3_alloc_ring_memory(&priv->ring[i]);
if (ret) {
dev_err(priv->dev,
"Alloc ring memory fail! ret=%d\n", ret);
goto out_when_alloc_ring_memory;
}
- u64_stats_init(&priv->ring_data[i].ring->syncp);
+ u64_stats_init(&priv->ring[i].syncp);
}
return 0;
out_when_alloc_ring_memory:
for (j = i - 1; j >= 0; j--)
- hns3_fini_ring(priv->ring_data[j].ring);
+ hns3_fini_ring(&priv->ring[j]);
return -ENOMEM;
}
@@ -3896,8 +3853,8 @@ int hns3_uninit_all_ring(struct hns3_nic_priv *priv)
int i;
for (i = 0; i < h->kinfo.num_tqps; i++) {
- hns3_fini_ring(priv->ring_data[i].ring);
- hns3_fini_ring(priv->ring_data[i + h->kinfo.num_tqps].ring);
+ hns3_fini_ring(&priv->ring[i]);
+ hns3_fini_ring(&priv->ring[i + h->kinfo.num_tqps]);
}
return 0;
}
@@ -4058,7 +4015,7 @@ static int hns3_client_init(struct hnae3_handle *handle)
ret = hns3_init_all_ring(priv);
if (ret) {
ret = -ENOMEM;
- goto out_init_ring_data;
+ goto out_init_ring;
}
ret = hns3_init_phy(netdev);
@@ -4097,12 +4054,12 @@ static int hns3_client_init(struct hnae3_handle *handle)
hns3_uninit_phy(netdev);
out_init_phy:
hns3_uninit_all_ring(priv);
-out_init_ring_data:
+out_init_ring:
hns3_nic_uninit_vector_data(priv);
out_init_vector_data:
hns3_nic_dealloc_vector_data(priv);
out_alloc_vector_data:
- priv->ring_data = NULL;
+ priv->ring = NULL;
out_get_ring_cfg:
priv->ae_handle = NULL;
free_netdev(netdev);
@@ -4309,10 +4266,10 @@ static void hns3_clear_all_ring(struct hnae3_handle *h, bool force)
for (i = 0; i < h->kinfo.num_tqps; i++) {
struct hns3_enet_ring *ring;
- ring = priv->ring_data[i].ring;
+ ring = &priv->ring[i];
hns3_clear_tx_ring(ring);
- ring = priv->ring_data[i + h->kinfo.num_tqps].ring;
+ ring = &priv->ring[i + h->kinfo.num_tqps];
/* Continue to clear other rings even if clearing some
* rings failed.
*/
@@ -4336,16 +4293,16 @@ int hns3_nic_reset_all_ring(struct hnae3_handle *h)
if (ret)
return ret;
- hns3_init_ring_hw(priv->ring_data[i].ring);
+ hns3_init_ring_hw(&priv->ring[i]);
/* We need to clear tx ring here because self test will
* use the ring and will not run down before up
*/
- hns3_clear_tx_ring(priv->ring_data[i].ring);
- priv->ring_data[i].ring->next_to_clean = 0;
- priv->ring_data[i].ring->next_to_use = 0;
+ hns3_clear_tx_ring(&priv->ring[i]);
+ priv->ring[i].next_to_clean = 0;
+ priv->ring[i].next_to_use = 0;
- rx_ring = priv->ring_data[i + h->kinfo.num_tqps].ring;
+ rx_ring = &priv->ring[i + h->kinfo.num_tqps];
hns3_init_ring_hw(rx_ring);
ret = hns3_clear_rx_ring(rx_ring);
if (ret)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
index c5b7c22..3322284 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
@@ -409,6 +409,7 @@ struct hns3_enet_ring {
struct hns3_enet_ring *next;
struct hns3_enet_tqp_vector *tqp_vector;
struct hnae3_queue *tqp;
+ int queue_index;
struct device *dev; /* will be used for DMA mapping of descriptors */
/* statistic */
@@ -436,17 +437,6 @@ struct hns3_enet_ring {
struct sk_buff *tail_skb;
};
-struct hns_queue;
-
-struct hns3_nic_ring_data {
- struct hns3_enet_ring *ring;
- struct napi_struct napi;
- int queue_index;
- int (*poll_one)(struct hns3_nic_ring_data *, int, void *);
- void (*ex_process)(struct hns3_nic_ring_data *, struct sk_buff *);
- void (*fini_process)(struct hns3_nic_ring_data *);
-};
-
enum hns3_flow_level_range {
HNS3_FLOW_LOW = 0,
HNS3_FLOW_MID = 1,
@@ -522,7 +512,7 @@ struct hns3_nic_priv {
* the cb for nic to manage the ring buffer, the first half of the
* array is for tx_ring and vice versa for the second half
*/
- struct hns3_nic_ring_data *ring_data;
+ struct hns3_enet_ring *ring;
struct hns3_enet_tqp_vector *tqp_vector;
u16 vector_num;
@@ -620,8 +610,6 @@ static inline bool hns3_nic_resetting(struct net_device *netdev)
#define ring_to_dma_dir(ring) (HNAE3_IS_TX_RING(ring) ? \
DMA_TO_DEVICE : DMA_FROM_DEVICE)
-#define tx_ring_data(priv, idx) ((priv)->ring_data[idx])
-
#define hns3_buf_size(_ring) ((_ring)->buf_size)
static inline unsigned int hns3_page_order(struct hns3_enet_ring *ring)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index 680c350..50b07b9 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -203,7 +203,7 @@ static u32 hns3_lb_check_rx_ring(struct hns3_nic_priv *priv, u32 budget)
kinfo = &h->kinfo;
for (i = kinfo->num_tqps; i < kinfo->num_tqps * 2; i++) {
- struct hns3_enet_ring *ring = priv->ring_data[i].ring;
+ struct hns3_enet_ring *ring = &priv->ring[i];
struct hns3_enet_ring_group *rx_group;
u64 pre_rx_pkt;
@@ -226,7 +226,7 @@ static void hns3_lb_clear_tx_ring(struct hns3_nic_priv *priv, u32 start_ringid,
u32 i;
for (i = start_ringid; i <= end_ringid; i++) {
- struct hns3_enet_ring *ring = priv->ring_data[i].ring;
+ struct hns3_enet_ring *ring = &priv->ring[i];
hns3_clean_tx_ring(ring);
}
@@ -491,7 +491,7 @@ static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
/* get stats for Tx */
for (i = 0; i < kinfo->num_tqps; i++) {
- ring = nic_priv->ring_data[i].ring;
+ ring = &nic_priv->ring[i];
for (j = 0; j < HNS3_TXQ_STATS_COUNT; j++) {
stat = (u8 *)ring + hns3_txq_stats[j].stats_offset;
*data++ = *(u64 *)stat;
@@ -500,7 +500,7 @@ static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
/* get stats for Rx */
for (i = 0; i < kinfo->num_tqps; i++) {
- ring = nic_priv->ring_data[i + kinfo->num_tqps].ring;
+ ring = &nic_priv->ring[i + kinfo->num_tqps];
for (j = 0; j < HNS3_RXQ_STATS_COUNT; j++) {
stat = (u8 *)ring + hns3_rxq_stats[j].stats_offset;
*data++ = *(u64 *)stat;
@@ -603,8 +603,8 @@ static void hns3_get_ringparam(struct net_device *netdev,
param->tx_max_pending = HNS3_RING_MAX_PENDING;
param->rx_max_pending = HNS3_RING_MAX_PENDING;
- param->tx_pending = priv->ring_data[0].ring->desc_num;
- param->rx_pending = priv->ring_data[queue_num].ring->desc_num;
+ param->tx_pending = priv->ring[0].desc_num;
+ param->rx_pending = priv->ring[queue_num].desc_num;
}
static void hns3_get_pauseparam(struct net_device *netdev,
@@ -906,9 +906,8 @@ static void hns3_change_all_ring_bd_num(struct hns3_nic_priv *priv,
h->kinfo.num_rx_desc = rx_desc_num;
for (i = 0; i < h->kinfo.num_tqps; i++) {
- priv->ring_data[i].ring->desc_num = tx_desc_num;
- priv->ring_data[i + h->kinfo.num_tqps].ring->desc_num =
- rx_desc_num;
+ priv->ring[i].desc_num = tx_desc_num;
+ priv->ring[i + h->kinfo.num_tqps].desc_num = rx_desc_num;
}
}
@@ -924,7 +923,7 @@ static struct hns3_enet_ring *hns3_backup_ringparam(struct hns3_nic_priv *priv)
return NULL;
for (i = 0; i < handle->kinfo.num_tqps * 2; i++) {
- memcpy(&tmp_rings[i], priv->ring_data[i].ring,
+ memcpy(&tmp_rings[i], &priv->ring[i],
sizeof(struct hns3_enet_ring));
tmp_rings[i].skb = NULL;
}
@@ -972,8 +971,8 @@ static int hns3_set_ringparam(struct net_device *ndev,
/* Hardware requires that its descriptors must be multiple of eight */
new_tx_desc_num = ALIGN(param->tx_pending, HNS3_RING_BD_MULTIPLE);
new_rx_desc_num = ALIGN(param->rx_pending, HNS3_RING_BD_MULTIPLE);
- old_tx_desc_num = priv->ring_data[0].ring->desc_num;
- old_rx_desc_num = priv->ring_data[queue_num].ring->desc_num;
+ old_tx_desc_num = priv->ring[0].desc_num;
+ old_rx_desc_num = priv->ring[queue_num].desc_num;
if (old_tx_desc_num == new_tx_desc_num &&
old_rx_desc_num == new_rx_desc_num)
return 0;
@@ -1002,7 +1001,7 @@ static int hns3_set_ringparam(struct net_device *ndev,
hns3_change_all_ring_bd_num(priv, old_tx_desc_num,
old_rx_desc_num);
for (i = 0; i < h->kinfo.num_tqps * 2; i++)
- memcpy(priv->ring_data[i].ring, &tmp_rings[i],
+ memcpy(&priv->ring[i], &tmp_rings[i],
sizeof(struct hns3_enet_ring));
} else {
for (i = 0; i < h->kinfo.num_tqps * 2; i++)
@@ -1103,8 +1102,8 @@ static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue,
return -EINVAL;
}
- tx_vector = priv->ring_data[queue].ring->tqp_vector;
- rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
+ tx_vector = priv->ring[queue].tqp_vector;
+ rx_vector = priv->ring[queue_num + queue].tqp_vector;
cmd->use_adaptive_tx_coalesce =
tx_vector->tx_group.coal.gl_adapt_enable;
@@ -1229,8 +1228,8 @@ static void hns3_set_coalesce_per_queue(struct net_device *netdev,
struct hnae3_handle *h = priv->ae_handle;
int queue_num = h->kinfo.num_tqps;
- tx_vector = priv->ring_data[queue].ring->tqp_vector;
- rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector;
+ tx_vector = priv->ring[queue].tqp_vector;
+ rx_vector = priv->ring[queue_num + queue].tqp_vector;
tx_vector->tx_group.coal.gl_adapt_enable =
cmd->use_adaptive_tx_coalesce;
--
2.7.4
From: Yunsheng Lin <[email protected]>
Since commit e55970950556 ("net: hns3: Add handling of GRO Pkts
not fully RX'ed in NAPI poll"), ring->skb is used to record the
current SKB when processing the RX BD in hns3_handle_rx_bd(),
so the parameter out_skb is unnecessary.
This patch also adjusts the err checking to reduce duplication
in hns3_handle_rx_bd(), and "err == -ENXIO" is rare case, so put
it in the unlikely annotation.
Signed-off-by: Yunsheng Lin <[email protected]>
Signed-off-by: Huazhong Tan <[email protected]>
---
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 38 +++++++++----------------
1 file changed, 13 insertions(+), 25 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 422fa4d..1c5e0d2 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2831,10 +2831,10 @@ static int hns3_alloc_skb(struct hns3_enet_ring *ring, unsigned int length,
}
static int hns3_add_frag(struct hns3_enet_ring *ring, struct hns3_desc *desc,
- struct sk_buff **out_skb, bool pending)
+ bool pending)
{
- struct sk_buff *skb = *out_skb;
- struct sk_buff *head_skb = *out_skb;
+ struct sk_buff *skb = ring->skb;
+ struct sk_buff *head_skb = skb;
struct sk_buff *new_skb;
struct hns3_desc_cb *desc_cb;
struct hns3_desc *pre_desc;
@@ -3017,8 +3017,7 @@ static int hns3_handle_bdinfo(struct hns3_enet_ring *ring, struct sk_buff *skb)
return 0;
}
-static int hns3_handle_rx_bd(struct hns3_enet_ring *ring,
- struct sk_buff **out_skb)
+static int hns3_handle_rx_bd(struct hns3_enet_ring *ring)
{
struct sk_buff *skb = ring->skb;
struct hns3_desc_cb *desc_cb;
@@ -3056,12 +3055,12 @@ static int hns3_handle_rx_bd(struct hns3_enet_ring *ring,
if (!skb) {
ret = hns3_alloc_skb(ring, length, ring->va);
- *out_skb = skb = ring->skb;
+ skb = ring->skb;
if (ret < 0) /* alloc buffer fail */
return ret;
if (ret > 0) { /* need add frag */
- ret = hns3_add_frag(ring, desc, &skb, false);
+ ret = hns3_add_frag(ring, desc, false);
if (ret)
return ret;
@@ -3072,7 +3071,7 @@ static int hns3_handle_rx_bd(struct hns3_enet_ring *ring,
ALIGN(ring->pull_len, sizeof(long)));
}
} else {
- ret = hns3_add_frag(ring, desc, &skb, true);
+ ret = hns3_add_frag(ring, desc, true);
if (ret)
return ret;
@@ -3090,8 +3089,6 @@ static int hns3_handle_rx_bd(struct hns3_enet_ring *ring,
}
skb_record_rx_queue(skb, ring->tqp->tqp_index);
- *out_skb = skb;
-
return 0;
}
@@ -3100,7 +3097,6 @@ int hns3_clean_rx_ring(struct hns3_enet_ring *ring, int budget,
{
#define RCB_NOF_ALLOC_RX_BUFF_ONCE 16
int unused_count = hns3_desc_unused(ring);
- struct sk_buff *skb = ring->skb;
int recv_pkts = 0;
int recv_bds = 0;
int err, num;
@@ -3123,27 +3119,19 @@ int hns3_clean_rx_ring(struct hns3_enet_ring *ring, int budget,
}
/* Poll one pkt */
- err = hns3_handle_rx_bd(ring, &skb);
- if (unlikely(!skb)) /* This fault cannot be repaired */
+ err = hns3_handle_rx_bd(ring);
+ /* Do not get FE for the packet or failed to alloc skb */
+ if (unlikely(!ring->skb || err == -ENXIO)) {
goto out;
-
- if (err == -ENXIO) { /* Do not get FE for the packet */
- goto out;
- } else if (unlikely(err)) { /* Do jump the err */
- recv_bds += ring->pending_buf;
- unused_count += ring->pending_buf;
- ring->skb = NULL;
- ring->pending_buf = 0;
- continue;
+ } else if (likely(!err)) {
+ rx_fn(ring, ring->skb);
+ recv_pkts++;
}
- rx_fn(ring, skb);
recv_bds += ring->pending_buf;
unused_count += ring->pending_buf;
ring->skb = NULL;
ring->pending_buf = 0;
-
- recv_pkts++;
}
out:
--
2.7.4
From: Yunsheng Lin <[email protected]>
There are a few places that need to access the netdev of a ring
through ring->tqp->handle->kinfo.netdev, and ring->tqp is a struct
which both in enet and hclge modules, it is better to use the
struct that is only used in enet module.
This patch adds the ring_to_netdev() to access the netdev of ring
through ring->tqp_vector->napi.dev.
Signed-off-by: Yunsheng Lin <[email protected]>
Signed-off-by: Huazhong Tan <[email protected]>
---
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 14 +++++++-------
drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 2 ++
2 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 089cd58..422fa4d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2478,7 +2478,7 @@ static int is_valid_clean_head(struct hns3_enet_ring *ring, int h)
void hns3_clean_tx_ring(struct hns3_enet_ring *ring)
{
- struct net_device *netdev = ring->tqp->handle->kinfo.netdev;
+ struct net_device *netdev = ring_to_netdev(ring);
struct hns3_nic_priv *priv = netdev_priv(netdev);
struct netdev_queue *dev_queue;
int bytes, pkts;
@@ -2560,7 +2560,7 @@ static void hns3_nic_alloc_rx_buffers(struct hns3_enet_ring *ring,
ring->stats.sw_err_cnt++;
u64_stats_update_end(&ring->syncp);
- hns3_rl_err(ring->tqp_vector->napi.dev,
+ hns3_rl_err(ring_to_netdev(ring),
"alloc rx buffer failed: %d\n",
ret);
break;
@@ -2669,7 +2669,7 @@ static int hns3_gro_complete(struct sk_buff *skb, u32 l234info)
static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb,
u32 l234info, u32 bd_base_info, u32 ol_info)
{
- struct net_device *netdev = ring->tqp->handle->kinfo.netdev;
+ struct net_device *netdev = ring_to_netdev(ring);
int l3_type, l4_type;
int ol4_type;
@@ -2785,7 +2785,7 @@ static int hns3_alloc_skb(struct hns3_enet_ring *ring, unsigned int length,
{
#define HNS3_NEED_ADD_FRAG 1
struct hns3_desc_cb *desc_cb = &ring->desc_cb[ring->next_to_clean];
- struct net_device *netdev = ring->tqp->handle->kinfo.netdev;
+ struct net_device *netdev = ring_to_netdev(ring);
struct sk_buff *skb;
ring->skb = napi_alloc_skb(&ring->tqp_vector->napi, HNS3_RX_HEAD_SIZE);
@@ -2866,7 +2866,7 @@ static int hns3_add_frag(struct hns3_enet_ring *ring, struct hns3_desc *desc,
new_skb = napi_alloc_skb(&ring->tqp_vector->napi,
HNS3_RX_HEAD_SIZE);
if (unlikely(!new_skb)) {
- hns3_rl_err(ring->tqp_vector->napi.dev,
+ hns3_rl_err(ring_to_netdev(ring),
"alloc rx fraglist skb fail\n");
return -ENXIO;
}
@@ -2942,7 +2942,7 @@ static void hns3_set_rx_skb_rss_type(struct hns3_enet_ring *ring,
static int hns3_handle_bdinfo(struct hns3_enet_ring *ring, struct sk_buff *skb)
{
- struct net_device *netdev = ring->tqp->handle->kinfo.netdev;
+ struct net_device *netdev = ring_to_netdev(ring);
enum hns3_pkt_l2t_type l2_frame_type;
u32 bd_base_info, l234info, ol_info;
struct hns3_desc *desc;
@@ -4224,7 +4224,7 @@ static int hns3_clear_rx_ring(struct hns3_enet_ring *ring)
/* if alloc new buffer fail, exit directly
* and reclear in up flow.
*/
- netdev_warn(ring->tqp->handle->kinfo.netdev,
+ netdev_warn(ring_to_netdev(ring),
"reserve buffer map failed, ret = %d\n",
ret);
return ret;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
index 3322284..8a88002 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
@@ -607,6 +607,8 @@ static inline bool hns3_nic_resetting(struct net_device *netdev)
#define ring_to_dev(ring) ((ring)->dev)
+#define ring_to_netdev(ring) ((ring)->tqp_vector->napi.dev)
+
#define ring_to_dma_dir(ring) (HNAE3_IS_TX_RING(ring) ? \
DMA_TO_DEVICE : DMA_FROM_DEVICE)
--
2.7.4
On Sat, 19 Oct 2019 16:03:48 +0800, Huazhong Tan wrote:
> This patchset includes some cleanups and optimizations for the HNS3
> ethernet driver.
>
> [patch 1/8] removes unused and unnecessary structures.
>
> [patch 2/8] uses a ETH_ALEN u8 array to replace two mac_addr_*
> field in struct hclge_mac_mgr_tbl_entry_cmd.
>
> [patch 3/8] optimizes the barrier used in the IO path.
>
> [patch 4/8] introduces macro ring_to_netdev() to get netdevive
> from struct hns3_enet_ring variable.
>
> [patch 5/8] makes struct hns3_enet_ring to be cacheline aligned
>
> [patch 6/8] adds a minor cleanup for hns3_handle_rx_bd().
>
> [patch 7/8] removes linear data allocating for fraglist SKB.
>
> [patch 8/8] clears hardware error when resetting.
>
> ---
> note:
> In previous patchset, there are some bugfixes which needs below
> new feature, which is only in 'net-next' but not in 'net' now:
> net: hns3: support tx-scatter-gather-fraglist feature
> net: hns3: add support for spoof check setting
>
> So, these bugfixes will be upstreamed when the patch needed is
> on 'net' tree.
Thanks! Looks good to me now.
From: Huazhong Tan <[email protected]>
Date: Sat, 19 Oct 2019 16:03:48 +0800
> This patchset includes some cleanups and optimizations for the HNS3
> ethernet driver.
...
Series applied.