[PATCH net-next 1/6] net: hns3: add or modify comments

From: Huazhong Tan
Date: Fri Aug 16 2019 - 04:12:13 EST


From: Guojia Liao <liaoguojia@xxxxxxxxxx>

To explain some code, this patch adds some comments, and modifies or
merges some comments to make them more neat.

Signed-off-by: Guojia Liao <liaoguojia@xxxxxxxxxx>
Signed-off-by: Zhongzhu Liu <liuzhongzhu@xxxxxxxxxx>
Signed-off-by: Weihang Li <liweihang@xxxxxxxxxxxxx>
Signed-off-by: Guangbin Huang <huangguangbin2@xxxxxxxxxx>
Signed-off-by: Huazhong Tan <tanhuazhong@xxxxxxxxxx>
---
drivers/net/ethernet/hisilicon/hns3/hnae3.h | 12 ++++++------
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 8 ++++----
drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 8 ++++----
drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 2 +-
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c | 3 +++
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 8 ++++----
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c | 2 +-
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 9 ++++-----
8 files changed, 27 insertions(+), 25 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index 6c9fd58..3e21533 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -85,10 +85,10 @@ struct hnae3_queue {
void __iomem *io_base;
struct hnae3_ae_algo *ae_algo;
struct hnae3_handle *handle;
- int tqp_index; /* index in a handle */
- u32 buf_size; /* size for hnae_desc->addr, preset by AE */
- u16 tx_desc_num;/* total number of tx desc */
- u16 rx_desc_num;/* total number of rx desc */
+ int tqp_index; /* index in a handle */
+ u32 buf_size; /* size for hnae_desc->addr, preset by AE */
+ u16 tx_desc_num; /* total number of tx desc */
+ u16 rx_desc_num; /* total number of rx desc */
};

struct hns3_mac_stats {
@@ -96,7 +96,7 @@ struct hns3_mac_stats {
u64 rx_pause_cnt;
};

-/*hnae3 loop mode*/
+/* hnae3 loop mode */
enum hnae3_loop {
HNAE3_LOOP_APP,
HNAE3_LOOP_SERIAL_SERDES,
@@ -621,7 +621,7 @@ struct hnae3_handle {
struct pci_dev *pdev;
void *priv;
struct hnae3_ae_algo *ae_algo; /* the class who provides this handle */
- u64 flags; /* Indicate the capabilities for this handle*/
+ u64 flags; /* Indicate the capabilities for this handle */

union {
struct net_device *netdev; /* first member */
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 1750f80..a11d514 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -229,9 +229,9 @@ static void hns3_vector_gl_rl_init(struct hns3_enet_tqp_vector *tqp_vector,
/* initialize the configuration for interrupt coalescing.
* 1. GL (Interrupt Gap Limiter)
* 2. RL (Interrupt Rate Limiter)
+ *
+ * Default: enable interrupt coalescing self-adaptive and GL
*/
-
- /* Default: enable interrupt coalescing self-adaptive and GL */
tqp_vector->tx_group.coal.gl_adapt_enable = 1;
tqp_vector->rx_group.coal.gl_adapt_enable = 1;

@@ -4207,8 +4207,8 @@ int hns3_nic_reset_all_ring(struct hnae3_handle *h)
static void hns3_store_coal(struct hns3_nic_priv *priv)
{
/* ethtool only support setting and querying one coal
- * configuation for now, so save the vector 0' coal
- * configuation here in order to restore it.
+ * configuration for now, so save the vector 0' coal
+ * configuration here in order to restore it.
*/
memcpy(&priv->tx_coal, &priv->tqp_vector[0].tx_group.coal,
sizeof(struct hns3_enet_coalesce));
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
index 5b0ee1f..e37e64e 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
@@ -302,7 +302,7 @@ struct hns3_desc_cb {
dma_addr_t dma; /* dma address of this desc */
void *buf; /* cpu addr for a desc */

- /* priv data for the desc, e.g. skb when use with ip stack*/
+ /* priv data for the desc, e.g. skb when use with ip stack */
void *priv;
u32 page_offset;
u32 length; /* length of the buffer */
@@ -325,11 +325,11 @@ enum hns3_pkt_l3type {
HNS3_L3_TYPE_MAC_PAUSE,
HNS3_L3_TYPE_PFC_PAUSE,/* 0x9*/

- /* reserved for 0xA~0xB*/
+ /* reserved for 0xA~0xB */

HNS3_L3_TYPE_CNM = 0xc,

- /* reserved for 0xD~0xE*/
+ /* reserved for 0xD~0xE */

HNS3_L3_TYPE_PARSE_FAIL = 0xf /* must be last */
};
@@ -354,7 +354,7 @@ enum hns3_pkt_ol3type {
HNS3_OL3_TYPE_IPV4_OPT = 4,
HNS3_OL3_TYPE_IPV6_EXT,

- /* reserved for 0x6~0xE*/
+ /* reserved for 0x6~0xE */

HNS3_OL3_TYPE_PARSE_FAIL = 0xf /* must be last */
};
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index 185ff32..677bfe06 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -635,7 +635,7 @@ static void hns3_get_ksettings(struct hnae3_handle *h,
&cmd->base.speed,
&cmd->base.duplex);

- /* 2.get link mode*/
+ /* 2.get link mode */
if (ops->get_link_mode)
ops->get_link_mode(h,
cmd->link_modes.supported,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index f0295d1..025184a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -897,14 +897,17 @@ static void hclge_dbg_fd_tcam_read(struct hclge_dev *hdev, u8 stage,
dev_info(&hdev->pdev->dev, " read result tcam key %s(%u):\n",
sel_x ? "x" : "y", loc);

+ /* tcam_data0 ~ tcam_data1 */
req = (u32 *)req1->tcam_data;
for (i = 0; i < 2; i++)
dev_info(&hdev->pdev->dev, "%08x\n", *req++);

+ /* tcam_data2 ~ tcam_data7 */
req = (u32 *)req2->tcam_data;
for (i = 0; i < 6; i++)
dev_info(&hdev->pdev->dev, "%08x\n", *req++);

+ /* tcam_data8 ~ tcam_data12 */
req = (u32 *)req3->tcam_data;
for (i = 0; i < 5; i++)
dev_info(&hdev->pdev->dev, "%08x\n", *req++);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index a3ca0e6..1d8dee1 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2810,9 +2810,9 @@ static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval)
* defer the processing of the mailbox events. Since, we would have not
* cleared RX CMDQ event this time we would receive again another
* interrupt from H/W just for the mailbox.
+ *
+ * check for vector0 reset event sources
*/
-
- /* check for vector0 reset event sources */
if (BIT(HCLGE_VECTOR0_IMPRESET_INT_B) & rst_src_reg) {
dev_info(&hdev->pdev->dev, "IMP reset interrupt\n");
set_bit(HNAE3_IMP_RESET, &hdev->reset_pending);
@@ -8000,7 +8000,7 @@ int hclge_set_vlan_filter(struct hnae3_handle *handle, __be16 proto,
return -EBUSY;
}

- /* When port base vlan enabled, we use port base vlan as the vlan
+ /* when port base vlan enabled, we use port base vlan as the vlan
* filter entry. In this case, we don't update vlan filter table
* when user add new vlan or remove exist vlan, just update the vport
* vlan list. The vlan id in vlan list will be writen in vlan filter
@@ -8019,7 +8019,7 @@ int hclge_set_vlan_filter(struct hnae3_handle *handle, __be16 proto,
hclge_add_vport_vlan_table(vport, vlan_id,
writen_to_tbl);
} else if (is_kill) {
- /* When remove hw vlan filter failed, record the vlan id,
+ /* when remove hw vlan filter failed, record the vlan id,
* and try to remove it from hw later, to be consistence
* with stack
*/
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
index 5a7221e..f5da28a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
@@ -479,7 +479,7 @@ static void hclge_mbx_reset_vf_queue(struct hclge_vport *vport,

hclge_reset_vf_queue(vport, queue_id);

- /* send response msg to VF after queue reset complete*/
+ /* send response msg to VF after queue reset complete */
hclge_gen_resp_to_vf(vport, mbx_req, 0, NULL, 0);
}

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index d8b8281..defc905 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -1269,7 +1269,7 @@ static int hclgevf_set_vlan_filter(struct hnae3_handle *handle,
HCLGE_MBX_VLAN_FILTER, msg_data,
HCLGEVF_VLAN_MBX_MSG_LEN, false, NULL, 0);

- /* When remove hw vlan filter failed, record the vlan id,
+ /* when remove hw vlan filter failed, record the vlan id,
* and try to remove it from hw later, to be consistence
* with stack.
*/
@@ -1561,7 +1561,7 @@ static int hclgevf_reset(struct hclgevf_dev *hdev)

rtnl_lock();

- /* now, re-initialize the nic client and ae device*/
+ /* now, re-initialize the nic client and ae device */
ret = hclgevf_reset_stack(hdev);
if (ret) {
dev_err(&hdev->pdev->dev, "failed to reset VF stack\n");
@@ -1784,9 +1784,8 @@ static void hclgevf_reset_service_task(struct work_struct *work)
* 1b and 2. cases but we will not get any intimation about 1a
* from PF as cmdq would be in unreliable state i.e. mailbox
* communication between PF and VF would be broken.
- */
-
- /* if we are never geting into pending state it means either:
+ *
+ * if we are never geting into pending state it means either:
* 1. PF is not receiving our request which could be due to IMP
* reset
* 2. PF is screwed
--
2.7.4