[dpdk-dev] [PATCH v2] net/hns3: fix parse link fails code fail
Min Hu (Connor)
humin29 at huawei.com
Tue Apr 27 14:31:13 CEST 2021
在 2021/4/27 19:11, Ferruh Yigit 写道:
> On 4/26/2021 2:42 PM, Min Hu (Connor) wrote:
>> From: Chengwen Feng <fengchengwen at huawei.com>
>>
>> The link fails code should be parsed using the structure
>> hns3_mbx_vf_to_pf_cmd, else it will parse fail.
>>
>> Fixes: 109e4dd1bd7a ("net/hns3: get link state change through mailbox")
>> Cc: stable at dpdk.org
>>
>> Signed-off-by: Chengwen Feng <fengchengwen at huawei.com>
>> Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
>> ---
>> v2:
>> * kept original API interface.
>> ---
>> drivers/net/hns3/hns3_mbx.c | 10 +++++++++-
>> 1 file changed, 9 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/hns3/hns3_mbx.c b/drivers/net/hns3/hns3_mbx.c
>> index eb202dd..755298f 100644
>> --- a/drivers/net/hns3/hns3_mbx.c
>> +++ b/drivers/net/hns3/hns3_mbx.c
>> @@ -346,12 +346,20 @@ hns3_link_fail_parse(struct hns3_hw *hw, uint8_t link_fail_code)
>> }
>>
>> static void
>> +
>> hns3pf_handle_link_change_event(struct hns3_hw *hw,
>> - struct hns3_mbx_pf_to_vf_cmd *req)
>> + struct hns3_mbx_pf_to_vf_cmd *cmd)
>> {
>> #define LINK_STATUS_OFFSET 1
>> #define LINK_FAIL_CODE_OFFSET 2
>>
>> + /*
>> + * This message is reported by the firmware and is reported in
>> + * 'struct hns3_mbx_vf_to_pf_cmd' format. Therefore, we should cast
>> + * the cmd to 'struct hns3_mbx_vf_to_pf_cmd' first.
>> + */
>> + struct hns3_mbx_vf_to_pf_cmd *req = (struct hns3_mbx_vf_to_pf_cmd *)cmd;
>> +
>
> Hi Connor,
>
> I guess I am missing something obvious, why not get the parameter as 'struct
> hns3_mbx_vf_to_pf_cmd' at first place?
> .
Hi, fixed in v3, thanks.
>
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