Commit 2dc3bd74 authored by David S. Miller's avatar David S. Miller

Merge branch 'hns3-fixes'

Huazhong Tan says:

====================
net: hns3: fixes for -net

There are some bugfixes for the HNS3 ethernet driver.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents b0a42277 fac24df7
......@@ -77,6 +77,7 @@
((ring)->p = ((ring)->p - 1 + (ring)->desc_num) % (ring)->desc_num)
enum hns_desc_type {
DESC_TYPE_UNKNOWN,
DESC_TYPE_SKB,
DESC_TYPE_FRAGLIST_SKB,
DESC_TYPE_PAGE,
......
......@@ -1118,12 +1118,12 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, void *priv,
return -ENOMEM;
}
desc_cb->length = size;
if (likely(size <= HNS3_MAX_BD_SIZE)) {
desc_cb->priv = priv;
desc_cb->length = size;
desc_cb->dma = dma;
desc_cb->type = type;
if (likely(size <= HNS3_MAX_BD_SIZE)) {
desc->addr = cpu_to_le64(dma);
desc->tx.send_size = cpu_to_le16(size);
desc->tx.bdtp_fe_sc_vld_ra_ri =
......@@ -1135,18 +1135,11 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, void *priv,
}
frag_buf_num = hns3_tx_bd_count(size);
sizeoflast = size & HNS3_TX_LAST_SIZE_M;
sizeoflast = size % HNS3_MAX_BD_SIZE;
sizeoflast = sizeoflast ? sizeoflast : HNS3_MAX_BD_SIZE;
/* When frag size is bigger than hardware limit, split this frag */
for (k = 0; k < frag_buf_num; k++) {
/* The txbd's baseinfo of DESC_TYPE_PAGE & DESC_TYPE_SKB */
desc_cb->priv = priv;
desc_cb->dma = dma + HNS3_MAX_BD_SIZE * k;
desc_cb->type = ((type == DESC_TYPE_FRAGLIST_SKB ||
type == DESC_TYPE_SKB) && !k) ?
type : DESC_TYPE_PAGE;
/* now, fill the descriptor */
desc->addr = cpu_to_le64(dma + HNS3_MAX_BD_SIZE * k);
desc->tx.send_size = cpu_to_le16((k == frag_buf_num - 1) ?
......@@ -1158,7 +1151,6 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, void *priv,
/* move ring pointer to next */
ring_ptr_move_fw(ring, next_to_use);
desc_cb = &ring->desc_cb[ring->next_to_use];
desc = &ring->desc[ring->next_to_use];
}
......@@ -1346,6 +1338,10 @@ static void hns3_clear_desc(struct hns3_enet_ring *ring, int next_to_use_orig)
unsigned int i;
for (i = 0; i < ring->desc_num; i++) {
struct hns3_desc *desc = &ring->desc[ring->next_to_use];
memset(desc, 0, sizeof(*desc));
/* check if this is where we started */
if (ring->next_to_use == next_to_use_orig)
break;
......@@ -1353,6 +1349,9 @@ static void hns3_clear_desc(struct hns3_enet_ring *ring, int next_to_use_orig)
/* rollback one */
ring_ptr_move_bw(ring, next_to_use);
if (!ring->desc_cb[ring->next_to_use].dma)
continue;
/* unmap the descriptor dma address */
if (ring->desc_cb[ring->next_to_use].type == DESC_TYPE_SKB ||
ring->desc_cb[ring->next_to_use].type ==
......@@ -1369,6 +1368,7 @@ static void hns3_clear_desc(struct hns3_enet_ring *ring, int next_to_use_orig)
ring->desc_cb[ring->next_to_use].length = 0;
ring->desc_cb[ring->next_to_use].dma = 0;
ring->desc_cb[ring->next_to_use].type = DESC_TYPE_UNKNOWN;
}
}
......
......@@ -165,8 +165,6 @@ enum hns3_nic_state {
#define HNS3_TXD_MSS_S 0
#define HNS3_TXD_MSS_M (0x3fff << HNS3_TXD_MSS_S)
#define HNS3_TX_LAST_SIZE_M 0xffff
#define HNS3_VECTOR_TX_IRQ BIT_ULL(0)
#define HNS3_VECTOR_RX_IRQ BIT_ULL(1)
......
......@@ -2673,11 +2673,10 @@ void hclge_task_schedule(struct hclge_dev *hdev, unsigned long delay_time)
delay_time);
}
static int hclge_get_mac_link_status(struct hclge_dev *hdev)
static int hclge_get_mac_link_status(struct hclge_dev *hdev, int *link_status)
{
struct hclge_link_status_cmd *req;
struct hclge_desc desc;
int link_status;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_LINK_STATUS, true);
......@@ -2689,33 +2688,25 @@ static int hclge_get_mac_link_status(struct hclge_dev *hdev)
}
req = (struct hclge_link_status_cmd *)desc.data;
link_status = req->status & HCLGE_LINK_STATUS_UP_M;
*link_status = (req->status & HCLGE_LINK_STATUS_UP_M) > 0 ?
HCLGE_LINK_STATUS_UP : HCLGE_LINK_STATUS_DOWN;
return !!link_status;
return 0;
}
static int hclge_get_mac_phy_link(struct hclge_dev *hdev)
static int hclge_get_mac_phy_link(struct hclge_dev *hdev, int *link_status)
{
unsigned int mac_state;
int link_stat;
struct phy_device *phydev = hdev->hw.mac.phydev;
*link_status = HCLGE_LINK_STATUS_DOWN;
if (test_bit(HCLGE_STATE_DOWN, &hdev->state))
return 0;
mac_state = hclge_get_mac_link_status(hdev);
if (hdev->hw.mac.phydev) {
if (hdev->hw.mac.phydev->state == PHY_RUNNING)
link_stat = mac_state &
hdev->hw.mac.phydev->link;
else
link_stat = 0;
} else {
link_stat = mac_state;
}
if (phydev && (phydev->state != PHY_RUNNING || !phydev->link))
return 0;
return !!link_stat;
return hclge_get_mac_link_status(hdev, link_status);
}
static void hclge_update_link_status(struct hclge_dev *hdev)
......@@ -2725,6 +2716,7 @@ static void hclge_update_link_status(struct hclge_dev *hdev)
struct hnae3_handle *rhandle;
struct hnae3_handle *handle;
int state;
int ret;
int i;
if (!client)
......@@ -2733,7 +2725,12 @@ static void hclge_update_link_status(struct hclge_dev *hdev)
if (test_and_set_bit(HCLGE_STATE_LINK_UPDATING, &hdev->state))
return;
state = hclge_get_mac_phy_link(hdev);
ret = hclge_get_mac_phy_link(hdev, &state);
if (ret) {
clear_bit(HCLGE_STATE_LINK_UPDATING, &hdev->state);
return;
}
if (state != hdev->hw.mac.link) {
for (i = 0; i < hdev->num_vmdq_vport + 1; i++) {
handle = &hdev->vport[i].nic;
......@@ -6524,14 +6521,15 @@ static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret)
{
#define HCLGE_MAC_LINK_STATUS_NUM 100
int link_status;
int i = 0;
int ret;
do {
ret = hclge_get_mac_link_status(hdev);
if (ret < 0)
ret = hclge_get_mac_link_status(hdev, &link_status);
if (ret)
return ret;
else if (ret == link_ret)
if (link_status == link_ret)
return 0;
msleep(HCLGE_LINK_STATUS_MS);
......@@ -6542,9 +6540,6 @@ static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret)
static int hclge_mac_phy_link_status_wait(struct hclge_dev *hdev, bool en,
bool is_phy)
{
#define HCLGE_LINK_STATUS_DOWN 0
#define HCLGE_LINK_STATUS_UP 1
int link_ret;
link_ret = en ? HCLGE_LINK_STATUS_UP : HCLGE_LINK_STATUS_DOWN;
......
......@@ -317,6 +317,9 @@ enum hclge_link_fail_code {
HCLGE_LF_XSFP_ABSENT,
};
#define HCLGE_LINK_STATUS_DOWN 0
#define HCLGE_LINK_STATUS_UP 1
#define HCLGE_PG_NUM 4
#define HCLGE_SCH_MODE_SP 0
#define HCLGE_SCH_MODE_DWRR 1
......
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