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Message-ID: <1607571732-24219-2-git-send-email-tanhuazhong@huawei.com>
Date: Thu, 10 Dec 2020 11:42:06 +0800
From: Huazhong Tan <tanhuazhong@...wei.com>
To: <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<kuba@...nel.org>, <huangdaode@...wei.com>,
Jian Shen <shenjian15@...wei.com>,
Huazhong Tan <tanhuazhong@...wei.com>
Subject: [PATCH net-next 1/7] net: hns3: refine the struct hane3_tc_info
From: Jian Shen <shenjian15@...wei.com>
Currently, there are multiple members related to tc information
in struct hnae3_knic_private_info. Merge them into a new struct
hnae3_tc_info.
Signed-off-by: Jian Shen <shenjian15@...wei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
---
drivers/net/ethernet/hisilicon/hns3/hnae3.h | 17 ++++----
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 3 +-
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 33 +++++++--------
.../ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c | 2 +-
.../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 4 +-
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c | 2 +-
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 49 ++++++++++------------
.../ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 21 +++++-----
8 files changed, 64 insertions(+), 67 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index 1a09b1f..0cb80ef 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -659,15 +659,16 @@ struct hnae3_ae_algo {
#define HNAE3_INT_NAME_LEN 32
#define HNAE3_ITR_COUNTDOWN_START 100
+#define HNAE3_MAX_TC 8
+#define HNAE3_MAX_USER_PRIO 8
struct hnae3_tc_info {
- u16 tqp_offset; /* TQP offset from base TQP */
- u16 tqp_count; /* Total TQPs */
- u8 tc; /* TC index */
- bool enable; /* If this TC is enable or not */
+ u8 prio_tc[HNAE3_MAX_USER_PRIO]; /* TC indexed by prio */
+ u16 tqp_count[HNAE3_MAX_TC];
+ u16 tqp_offset[HNAE3_MAX_TC];
+ unsigned long tc_en; /* bitmap of TC enabled */
+ u8 num_tc; /* Total number of enabled TCs */
};
-#define HNAE3_MAX_TC 8
-#define HNAE3_MAX_USER_PRIO 8
struct hnae3_knic_private_info {
struct net_device *netdev; /* Set by KNIC client when init instance */
u16 rss_size; /* Allocated RSS queues */
@@ -676,9 +677,7 @@ struct hnae3_knic_private_info {
u16 num_tx_desc;
u16 num_rx_desc;
- u8 num_tc; /* Total number of enabled TCs */
- u8 prio_tc[HNAE3_MAX_USER_PRIO]; /* TC indexed by prio */
- struct hnae3_tc_info tc_info[HNAE3_MAX_TC]; /* Idx of array is HW TC */
+ struct hnae3_tc_info tc_info;
u16 num_tqps; /* total number of TQPs in this handle */
struct hnae3_queue **tqp; /* array base of all TQPs in this instance */
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index cb26742..9d4e9c0 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -385,7 +385,8 @@ static void hns3_dbg_dev_specs(struct hnae3_handle *h)
dev_info(priv->dev, "RX buffer length: %u\n", kinfo->rx_buf_len);
dev_info(priv->dev, "Desc num per TX queue: %u\n", kinfo->num_tx_desc);
dev_info(priv->dev, "Desc num per RX queue: %u\n", kinfo->num_rx_desc);
- dev_info(priv->dev, "Total number of enabled TCs: %u\n", kinfo->num_tc);
+ dev_info(priv->dev, "Total number of enabled TCs: %u\n",
+ kinfo->tc_info.num_tc);
dev_info(priv->dev, "MAX INT QL: %u\n", dev_specs->int_ql_max);
dev_info(priv->dev, "MAX INT GL: %u\n", dev_specs->max_int_gl);
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 4c2fb86..36e74ad 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -323,13 +323,14 @@ static int hns3_nic_set_real_num_queue(struct net_device *netdev)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
struct hnae3_knic_private_info *kinfo = &h->kinfo;
- unsigned int queue_size = kinfo->rss_size * kinfo->num_tc;
+ struct hnae3_tc_info *tc_info = &kinfo->tc_info;
+ unsigned int queue_size = kinfo->rss_size * tc_info->num_tc;
int i, ret;
- if (kinfo->num_tc <= 1) {
+ if (tc_info->num_tc <= 1) {
netdev_reset_tc(netdev);
} else {
- ret = netdev_set_num_tc(netdev, kinfo->num_tc);
+ ret = netdev_set_num_tc(netdev, tc_info->num_tc);
if (ret) {
netdev_err(netdev,
"netdev_set_num_tc fail, ret=%d!\n", ret);
@@ -337,13 +338,11 @@ static int hns3_nic_set_real_num_queue(struct net_device *netdev)
}
for (i = 0; i < HNAE3_MAX_TC; i++) {
- if (!kinfo->tc_info[i].enable)
+ if (!test_bit(i, &tc_info->tc_en))
continue;
- netdev_set_tc_queue(netdev,
- kinfo->tc_info[i].tc,
- kinfo->tc_info[i].tqp_count,
- kinfo->tc_info[i].tqp_offset);
+ netdev_set_tc_queue(netdev, i, tc_info->tqp_count[i],
+ tc_info->tqp_offset[i]);
}
}
@@ -369,7 +368,7 @@ static u16 hns3_get_max_available_channels(struct hnae3_handle *h)
u16 alloc_tqps, max_rss_size, rss_size;
h->ae_algo->ops->get_tqps_and_rss_info(h, &alloc_tqps, &max_rss_size);
- rss_size = alloc_tqps / h->kinfo.num_tc;
+ rss_size = alloc_tqps / h->kinfo.tc_info.num_tc;
return min_t(u16, rss_size, max_rss_size);
}
@@ -508,7 +507,7 @@ static int hns3_nic_net_open(struct net_device *netdev)
kinfo = &h->kinfo;
for (i = 0; i < HNAE3_MAX_USER_PRIO; i++)
- netdev_set_prio_tc_map(netdev, i, kinfo->prio_tc[i]);
+ netdev_set_prio_tc_map(netdev, i, kinfo->tc_info.prio_tc[i]);
if (h->ae_algo->ops->set_timer_task)
h->ae_algo->ops->set_timer_task(priv->ae_handle, true);
@@ -3980,21 +3979,20 @@ static void hns3_init_ring_hw(struct hns3_enet_ring *ring)
static void hns3_init_tx_ring_tc(struct hns3_nic_priv *priv)
{
struct hnae3_knic_private_info *kinfo = &priv->ae_handle->kinfo;
+ struct hnae3_tc_info *tc_info = &kinfo->tc_info;
int i;
for (i = 0; i < HNAE3_MAX_TC; i++) {
- struct hnae3_tc_info *tc_info = &kinfo->tc_info[i];
int j;
- if (!tc_info->enable)
+ if (!test_bit(i, &tc_info->tc_en))
continue;
- for (j = 0; j < tc_info->tqp_count; j++) {
+ for (j = 0; j < tc_info->tqp_count[i]; j++) {
struct hnae3_queue *q;
- q = priv->ring[tc_info->tqp_offset + j].tqp;
- hns3_write_dev(q, HNS3_RING_TX_RING_TC_REG,
- tc_info->tc);
+ q = priv->ring[tc_info->tqp_offset[i] + j].tqp;
+ hns3_write_dev(q, HNS3_RING_TX_RING_TC_REG, i);
}
}
}
@@ -4121,7 +4119,8 @@ static void hns3_info_show(struct hns3_nic_priv *priv)
dev_info(priv->dev, "RX buffer length: %u\n", kinfo->rx_buf_len);
dev_info(priv->dev, "Desc num per TX queue: %u\n", kinfo->num_tx_desc);
dev_info(priv->dev, "Desc num per RX queue: %u\n", kinfo->num_rx_desc);
- dev_info(priv->dev, "Total number of enabled TCs: %u\n", kinfo->num_tc);
+ dev_info(priv->dev, "Total number of enabled TCs: %u\n",
+ kinfo->tc_info.num_tc);
dev_info(priv->dev, "Max mtu size: %u\n", priv->netdev->max_mtu);
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index bedbc11..8f6dea5 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -1454,7 +1454,7 @@ static void hclge_dbg_dump_qs_shaper_all(struct hclge_dev *hdev)
dev_info(&hdev->pdev->dev, "qs cfg of vport%d:\n", vport_id);
- for (i = 0; i < kinfo->num_tc; i++) {
+ for (i = 0; i < kinfo->tc_info.num_tc; i++) {
u16 qsid = vport->qs_offset + i;
hclge_dbg_dump_qs_shaper_single(hdev, qsid);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 92cd444..8bf1027 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -10699,7 +10699,7 @@ static u32 hclge_get_max_channels(struct hnae3_handle *handle)
struct hclge_dev *hdev = vport->back;
return min_t(u32, hdev->rss_size_max,
- vport->alloc_tqps / kinfo->num_tc);
+ vport->alloc_tqps / kinfo->tc_info.num_tc);
}
static void hclge_get_channels(struct hnae3_handle *handle,
@@ -10786,7 +10786,7 @@ static int hclge_set_channels(struct hnae3_handle *handle, u32 new_tqps_num,
dev_info(&hdev->pdev->dev,
"Channels changed, rss_size from %u to %u, tqps from %u to %u",
cur_rss_size, kinfo->rss_size,
- cur_tqps, kinfo->rss_size * kinfo->num_tc);
+ cur_tqps, kinfo->rss_size * kinfo->tc_info.num_tc);
return ret;
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
index 0f6626b..754c09a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
@@ -414,7 +414,7 @@ static void hclge_get_vf_tcinfo(struct hclge_vport *vport,
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
unsigned int i;
- for (i = 0; i < kinfo->num_tc; i++)
+ for (i = 0; i < kinfo->tc_info.num_tc; i++)
resp_msg->data[0] |= BIT(i);
resp_msg->len = sizeof(u8);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
index b1026cd..dd2b100 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
@@ -565,7 +565,7 @@ int hclge_tm_qs_shaper_cfg(struct hclge_vport *vport, int max_tx_rate)
HCLGE_SHAPER_BS_U_DEF,
HCLGE_SHAPER_BS_S_DEF);
- for (i = 0; i < kinfo->num_tc; i++) {
+ for (i = 0; i < kinfo->tc_info.num_tc; i++) {
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QCN_SHAPPING_CFG,
false);
@@ -599,13 +599,13 @@ static void hclge_tm_vport_tc_info_update(struct hclge_vport *vport)
/* TC configuration is shared by PF/VF in one port, only allow
* one tc for VF for simplicity. VF's vport_id is non zero.
*/
- kinfo->num_tc = vport->vport_id ? 1 :
+ kinfo->tc_info.num_tc = vport->vport_id ? 1 :
min_t(u16, vport->alloc_tqps, hdev->tm_info.num_tc);
vport->qs_offset = (vport->vport_id ? HNAE3_MAX_TC : 0) +
(vport->vport_id ? (vport->vport_id - 1) : 0);
max_rss_size = min_t(u16, hdev->rss_size_max,
- vport->alloc_tqps / kinfo->num_tc);
+ vport->alloc_tqps / kinfo->tc_info.num_tc);
/* Set to user value, no larger than max_rss_size. */
if (kinfo->req_rss_size != kinfo->rss_size && kinfo->req_rss_size &&
@@ -622,34 +622,32 @@ static void hclge_tm_vport_tc_info_update(struct hclge_vport *vport)
if (!kinfo->req_rss_size)
max_rss_size = min_t(u16, max_rss_size,
(hdev->num_nic_msi - 1) /
- kinfo->num_tc);
+ kinfo->tc_info.num_tc);
/* Set to the maximum specification value (max_rss_size). */
kinfo->rss_size = max_rss_size;
}
- kinfo->num_tqps = kinfo->num_tc * kinfo->rss_size;
+ kinfo->num_tqps = kinfo->tc_info.num_tc * kinfo->rss_size;
vport->dwrr = 100; /* 100 percent as init */
vport->alloc_rss_size = kinfo->rss_size;
vport->bw_limit = hdev->tm_info.pg_info[0].bw_limit;
for (i = 0; i < HNAE3_MAX_TC; i++) {
- if (hdev->hw_tc_map & BIT(i) && i < kinfo->num_tc) {
- kinfo->tc_info[i].enable = true;
- kinfo->tc_info[i].tqp_offset = i * kinfo->rss_size;
- kinfo->tc_info[i].tqp_count = kinfo->rss_size;
- kinfo->tc_info[i].tc = i;
+ if (hdev->hw_tc_map & BIT(i) && i < kinfo->tc_info.num_tc) {
+ set_bit(i, &kinfo->tc_info.tc_en);
+ kinfo->tc_info.tqp_offset[i] = i * kinfo->rss_size;
+ kinfo->tc_info.tqp_count[i] = kinfo->rss_size;
} else {
/* Set to default queue if TC is disable */
- kinfo->tc_info[i].enable = false;
- kinfo->tc_info[i].tqp_offset = 0;
- kinfo->tc_info[i].tqp_count = 1;
- kinfo->tc_info[i].tc = 0;
+ clear_bit(i, &kinfo->tc_info.tc_en);
+ kinfo->tc_info.tqp_offset[i] = 0;
+ kinfo->tc_info.tqp_count[i] = 1;
}
}
- memcpy(kinfo->prio_tc, hdev->tm_info.prio_tc,
- sizeof_field(struct hnae3_knic_private_info, prio_tc));
+ memcpy(kinfo->tc_info.prio_tc, hdev->tm_info.prio_tc,
+ sizeof_field(struct hnae3_tc_info, prio_tc));
}
static void hclge_tm_vport_info_update(struct hclge_dev *hdev)
@@ -854,15 +852,14 @@ static int hclge_vport_q_to_qs_map(struct hclge_dev *hdev,
struct hclge_vport *vport)
{
struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
+ struct hnae3_tc_info *tc_info = &kinfo->tc_info;
struct hnae3_queue **tqp = kinfo->tqp;
- struct hnae3_tc_info *v_tc_info;
u32 i, j;
int ret;
- for (i = 0; i < kinfo->num_tc; i++) {
- v_tc_info = &kinfo->tc_info[i];
- for (j = 0; j < v_tc_info->tqp_count; j++) {
- struct hnae3_queue *q = tqp[v_tc_info->tqp_offset + j];
+ for (i = 0; i < tc_info->num_tc; i++) {
+ for (j = 0; j < tc_info->tqp_count[i]; j++) {
+ struct hnae3_queue *q = tqp[tc_info->tqp_offset[i] + j];
ret = hclge_tm_q_to_qs_map_cfg(hdev,
hclge_get_queue_id(q),
@@ -887,7 +884,7 @@ static int hclge_tm_pri_q_qs_cfg(struct hclge_dev *hdev)
struct hnae3_knic_private_info *kinfo =
&vport[k].nic.kinfo;
- for (i = 0; i < kinfo->num_tc; i++) {
+ for (i = 0; i < kinfo->tc_info.num_tc; i++) {
ret = hclge_tm_qs_to_pri_map_cfg(
hdev, vport[k].qs_offset + i, i);
if (ret)
@@ -1001,7 +998,7 @@ static int hclge_tm_pri_vnet_base_shaper_qs_cfg(struct hclge_vport *vport)
u32 i;
int ret;
- for (i = 0; i < kinfo->num_tc; i++) {
+ for (i = 0; i < kinfo->tc_info.num_tc; i++) {
ret = hclge_shaper_para_calc(hdev->tm_info.tc_info[i].bw_limit,
HCLGE_SHAPER_LVL_QSET,
&ir_para, max_tm_rate);
@@ -1123,7 +1120,7 @@ static int hclge_tm_pri_vnet_base_dwrr_pri_cfg(struct hclge_vport *vport)
return ret;
/* Qset dwrr */
- for (i = 0; i < kinfo->num_tc; i++) {
+ for (i = 0; i < kinfo->tc_info.num_tc; i++) {
ret = hclge_tm_qs_weight_cfg(
hdev, vport->qs_offset + i,
hdev->tm_info.pg_info[0].tc_dwrr[i]);
@@ -1254,7 +1251,7 @@ static int hclge_tm_schd_mode_vnet_base_cfg(struct hclge_vport *vport)
if (ret)
return ret;
- for (i = 0; i < kinfo->num_tc; i++) {
+ for (i = 0; i < kinfo->tc_info.num_tc; i++) {
u8 sch_mode = hdev->tm_info.tc_info[i].tc_sch_mode;
ret = hclge_tm_qs_schd_mode_cfg(hdev, vport->qs_offset + i,
@@ -1484,7 +1481,7 @@ void hclge_tm_prio_tc_info_update(struct hclge_dev *hdev, u8 *prio_tc)
for (k = 0; k < hdev->num_alloc_vport; k++) {
kinfo = &vport[k].nic.kinfo;
- kinfo->prio_tc[i] = prio_tc[i];
+ kinfo->tc_info.prio_tc[i] = prio_tc[i];
}
}
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index b142ae6..145757c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -433,19 +433,20 @@ static int hclgevf_knic_setup(struct hclgevf_dev *hdev)
struct hnae3_knic_private_info *kinfo;
u16 new_tqps = hdev->num_tqps;
unsigned int i;
+ u8 num_tc = 0;
kinfo = &nic->kinfo;
- kinfo->num_tc = 0;
kinfo->num_tx_desc = hdev->num_tx_desc;
kinfo->num_rx_desc = hdev->num_rx_desc;
kinfo->rx_buf_len = hdev->rx_buf_len;
for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++)
if (hdev->hw_tc_map & BIT(i))
- kinfo->num_tc++;
+ num_tc++;
- kinfo->rss_size
- = min_t(u16, hdev->rss_size_max, new_tqps / kinfo->num_tc);
- new_tqps = kinfo->rss_size * kinfo->num_tc;
+ num_tc = num_tc ? num_tc : 1;
+ kinfo->tc_info.num_tc = num_tc;
+ kinfo->rss_size = min_t(u16, hdev->rss_size_max, new_tqps / num_tc);
+ new_tqps = kinfo->rss_size * num_tc;
kinfo->num_tqps = min(new_tqps, hdev->num_tqps);
kinfo->tqp = devm_kcalloc(&hdev->pdev->dev, kinfo->num_tqps,
@@ -463,7 +464,7 @@ static int hclgevf_knic_setup(struct hclgevf_dev *hdev)
* and rss size with the actual vector numbers
*/
kinfo->num_tqps = min_t(u16, hdev->num_nic_msix - 1, kinfo->num_tqps);
- kinfo->rss_size = min_t(u16, kinfo->num_tqps / kinfo->num_tc,
+ kinfo->rss_size = min_t(u16, kinfo->num_tqps / num_tc,
kinfo->rss_size);
return 0;
@@ -3360,7 +3361,7 @@ static u32 hclgevf_get_max_channels(struct hclgevf_dev *hdev)
struct hnae3_knic_private_info *kinfo = &nic->kinfo;
return min_t(u32, hdev->rss_size_max,
- hdev->num_tqps / kinfo->num_tc);
+ hdev->num_tqps / kinfo->tc_info.num_tc);
}
/**
@@ -3403,7 +3404,7 @@ static void hclgevf_update_rss_size(struct hnae3_handle *handle,
kinfo->req_rss_size = new_tqps_num;
max_rss_size = min_t(u16, hdev->rss_size_max,
- hdev->num_tqps / kinfo->num_tc);
+ hdev->num_tqps / kinfo->tc_info.num_tc);
/* Use the user's configuration when it is not larger than
* max_rss_size, otherwise, use the maximum specification value.
@@ -3415,7 +3416,7 @@ static void hclgevf_update_rss_size(struct hnae3_handle *handle,
(!kinfo->req_rss_size && kinfo->rss_size < max_rss_size))
kinfo->rss_size = max_rss_size;
- kinfo->num_tqps = kinfo->num_tc * kinfo->rss_size;
+ kinfo->num_tqps = kinfo->tc_info.num_tc * kinfo->rss_size;
}
static int hclgevf_set_channels(struct hnae3_handle *handle, u32 new_tqps_num,
@@ -3461,7 +3462,7 @@ static int hclgevf_set_channels(struct hnae3_handle *handle, u32 new_tqps_num,
dev_info(&hdev->pdev->dev,
"Channels changed, rss_size from %u to %u, tqps from %u to %u",
cur_rss_size, kinfo->rss_size,
- cur_tqps, kinfo->rss_size * kinfo->num_tc);
+ cur_tqps, kinfo->rss_size * kinfo->tc_info.num_tc);
return ret;
}
--
2.7.4
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