[dpdk-stable] patch 'net/hinic/base: fix PF firmware hot-active problem' has been queued to stable release 19.11.3

Kevin Traynor ktraynor at redhat.com
Wed May 20 14:48:21 CEST 2020
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On 20/05/2020 13:29, Wangxiaoyun (Cloud) wrote:
> Hi Luca Boccassi,
> 
> These patches should be pushed to stable release 19.11.3 as follows:
>       1) net/hinic: fix snprintf length   --fixed by Kevin Traynor
>       2) net/hinic: fix repeating log and length check --fixed by Kevin Traynor

These 2 ^ are already in the queue. Checked backport email yesterday and
there was only metadata changes - so should be no issues with them.

>       3) net/hinic: alloc IO memory with socketid
>       4) net/hinic: fix LRO problems
> 
> For hotupdate problem fixes, which needs the following 2 patches:
>       5ï¼‰net/hinic/base: fix hotupdate firmware problem
>       6ï¼‰net/hinic/base: fix PF firmware hotactive problem
>       But I found the patch 6) may conflict with other patches, should I push a
> new patch about patch 6) with 19.11 stable branch?
> 
>       And the other two patches also need to push to stable release:
>       7) net/hinic: the queues resource free problem fixes
>       8) net/hinic: the pkt len updates of mbuf fixes
> 
> Thanks.
> Xiaoyun Wang
> 
> åœ¨ 2020/5/19 21:03, luca.boccassi at gmail.com å†™é“:
>> Hi,
>>
>> FYI, your patch has been queued to stable release 19.11.3
>>
>> Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
>> It will be pushed if I get no objections before 05/21/20. So please
>> shout if anyone has objections.
>>
>> Also note that after the patch there's a diff of the upstream commit vs the
>> patch applied to the branch. This will indicate if there was any rebasing
>> needed to apply to the stable branch. If there were code changes for rebasing
>> (ie: not only metadata diffs), please double check that the rebase was
>> correctly done.
>>
>> Thanks.
>>
>> Luca Boccassi
>>
>> ---
>> >From 11d98470395eff60937bbdff411b19f6ac00f76f Mon Sep 17 00:00:00 2001
>> From: Xiaoyun Wang <cloud.wangxiaoyun at huawei.com>
>> Date: Fri, 10 Apr 2020 17:21:45 +0800
>> Subject: [PATCH] net/hinic/base: fix PF firmware hot-active problem
>>
>> [ upstream commit 036b61d85e4d1c45ac497a367c765ad463d2debf ]
>>
>> When FW is hotactive which means updating the FW but not needs
>> to reboot OS, FW returns HINIC_DEV_BUSY_ACTIVE_FW for pf driver
>> because firmware is being reinitialized, at which point the cmdq
>> initialization that relies on the fw channel will fail, so driver
>> should reinit the cmdq when port start.
>>
>> Fixes: 0194313b2df6 ("net/hinic/base: fix port start during FW hot update")
>>
>> Signed-off-by: Xiaoyun Wang <cloud.wangxiaoyun at huawei.com>
>> ---
>>   drivers/net/hinic/base/hinic_pmd_cmdq.c  |  7 +++--
>>   drivers/net/hinic/base/hinic_pmd_hwdev.c |  4 +--
>>   drivers/net/hinic/base/hinic_pmd_mgmt.c  | 38 +++++++++++++-----------
>>   drivers/net/hinic/base/hinic_pmd_mgmt.h  |  2 ++
>>   drivers/net/hinic/base/hinic_pmd_nicio.c |  2 +-
>>   5 files changed, 31 insertions(+), 22 deletions(-)
>>
>> diff --git a/drivers/net/hinic/base/hinic_pmd_cmdq.c b/drivers/net/hinic/base/hinic_pmd_cmdq.c
>> index 685498ec2f..2e98b9c286 100644
>> --- a/drivers/net/hinic/base/hinic_pmd_cmdq.c
>> +++ b/drivers/net/hinic/base/hinic_pmd_cmdq.c
>> @@ -440,9 +440,12 @@ static int hinic_set_cmdq_ctxts(struct hinic_hwdev *hwdev)
>>   					     cmdq_ctxt, in_size, NULL,
>>   					     NULL, 0);
>>   		if (err) {
>> -			if (err == HINIC_MBOX_PF_BUSY_ACTIVE_FW)
>> +			if (err == HINIC_MBOX_PF_BUSY_ACTIVE_FW ||
>> +				err == HINIC_DEV_BUSY_ACTIVE_FW) {
>>   				cmdqs->status |= HINIC_CMDQ_SET_FAIL;
>> -			PMD_DRV_LOG(ERR, "Set cmdq ctxt failed");
>> +				PMD_DRV_LOG(ERR, "PF or VF fw is hot active");
>> +			}
>> +			PMD_DRV_LOG(ERR, "Set cmdq ctxt failed, err: %d", err);
>>   			return -EFAULT;
>>   		}
>>   	}
>> diff --git a/drivers/net/hinic/base/hinic_pmd_hwdev.c b/drivers/net/hinic/base/hinic_pmd_hwdev.c
>> index cf2a9701f2..fc11ecd7a4 100644
>> --- a/drivers/net/hinic/base/hinic_pmd_hwdev.c
>> +++ b/drivers/net/hinic/base/hinic_pmd_hwdev.c
>> @@ -529,7 +529,7 @@ static int hinic_vf_rx_tx_flush(struct hinic_hwdev *hwdev)
>>   
>>   	err = hinic_reinit_cmdq_ctxts(hwdev);
>>   	if (err)
>> -		PMD_DRV_LOG(WARNING, "Reinit cmdq failed");
>> +		PMD_DRV_LOG(WARNING, "Reinit cmdq failed when vf flush");
>>   
>>   	return err;
>>   }
>> @@ -587,7 +587,7 @@ static int hinic_pf_rx_tx_flush(struct hinic_hwdev *hwdev)
>>   
>>   	err = hinic_reinit_cmdq_ctxts(hwdev);
>>   	if (err)
>> -		PMD_DRV_LOG(WARNING, "Reinit cmdq failed");
>> +		PMD_DRV_LOG(WARNING, "Reinit cmdq failed when pf flush");
>>   
>>   	return 0;
>>   }
>> diff --git a/drivers/net/hinic/base/hinic_pmd_mgmt.c b/drivers/net/hinic/base/hinic_pmd_mgmt.c
>> index eee50a80d1..ea79c300af 100644
>> --- a/drivers/net/hinic/base/hinic_pmd_mgmt.c
>> +++ b/drivers/net/hinic/base/hinic_pmd_mgmt.c
>> @@ -248,6 +248,19 @@ static void free_msg_buf(struct hinic_msg_pf_to_mgmt *pf_to_mgmt)
>>   	free_recv_msg(&pf_to_mgmt->recv_msg_from_mgmt);
>>   }
>>   
>> +static int hinic_get_mgmt_channel_status(void *hwdev)
>> +{
>> +	struct hinic_hwif *hwif = ((struct hinic_hwdev *)hwdev)->hwif;
>> +	u32 val;
>> +
>> +	if (hinic_func_type((struct hinic_hwdev *)hwdev) == TYPE_VF)
>> +		return false;
>> +
>> +	val = hinic_hwif_read_reg(hwif, HINIC_ICPL_RESERVD_ADDR);
>> +
>> +	return HINIC_GET_MGMT_CHANNEL_STATUS(val, MGMT_CHANNEL_STATUS);
>> +}
>> +
>>   /**
>>    * send_msg_to_mgmt_async - send async message
>>    * @pf_to_mgmt: PF to MGMT channel
>> @@ -309,6 +322,14 @@ static int send_msg_to_mgmt_sync(struct hinic_msg_pf_to_mgmt *pf_to_mgmt,
>>   	u64 header;
>>   	u16 cmd_size = mgmt_msg_len(msg_len);
>>   
>> +	/* If fw is hot active, return failed */
>> +	if (hinic_get_mgmt_channel_status(pf_to_mgmt->hwdev)) {
>> +		if (mod == HINIC_MOD_COMM || mod == HINIC_MOD_L2NIC)
>> +			return HINIC_DEV_BUSY_ACTIVE_FW;
>> +		else
>> +			return -EBUSY;
>> +	}
>> +
>>   	if (direction == HINIC_MSG_RESPONSE)
>>   		prepare_header(pf_to_mgmt, &header, msg_len, mod, ack_type,
>>   			       direction, cmd, resp_msg_id);
>> @@ -462,19 +483,6 @@ unlock_sync_msg:
>>   	return err;
>>   }
>>   
>> -static int hinic_get_mgmt_channel_status(void *hwdev)
>> -{
>> -	struct hinic_hwif *hwif = ((struct hinic_hwdev *)hwdev)->hwif;
>> -	u32 val;
>> -
>> -	if (hinic_func_type((struct hinic_hwdev *)hwdev) == TYPE_VF)
>> -		return false;
>> -
>> -	val = hinic_hwif_read_reg(hwif, HINIC_ICPL_RESERVD_ADDR);
>> -
>> -	return HINIC_GET_MGMT_CHANNEL_STATUS(val, MGMT_CHANNEL_STATUS);
>> -}
>> -
>>   int hinic_msg_to_mgmt_sync(void *hwdev, enum hinic_mod_type mod, u8 cmd,
>>   			   void *buf_in, u16 in_size,
>>   			   void *buf_out, u16 *out_size, u32 timeout)
>> @@ -484,10 +492,6 @@ int hinic_msg_to_mgmt_sync(void *hwdev, enum hinic_mod_type mod, u8 cmd,
>>   	if (!hwdev || in_size > HINIC_MSG_TO_MGMT_MAX_LEN)
>>   		return -EINVAL;
>>   
>> -	/* If status is hot upgrading, don't send message to mgmt */
>> -	if (hinic_get_mgmt_channel_status(hwdev))
>> -		return -EPERM;
>> -
>>   	if (hinic_func_type(hwdev) == TYPE_VF) {
>>   		rc = hinic_mbox_to_pf(hwdev, mod, cmd, buf_in, in_size,
>>   					buf_out, out_size, timeout);
>> diff --git a/drivers/net/hinic/base/hinic_pmd_mgmt.h b/drivers/net/hinic/base/hinic_pmd_mgmt.h
>> index cc18843bf8..52b319ead4 100644
>> --- a/drivers/net/hinic/base/hinic_pmd_mgmt.h
>> +++ b/drivers/net/hinic/base/hinic_pmd_mgmt.h
>> @@ -34,6 +34,8 @@
>>   #define HINIC_MSG_HEADER_P2P_IDX_MASK				0xF
>>   #define HINIC_MSG_HEADER_MSG_ID_MASK				0x3FF
>>   
>> +#define HINIC_DEV_BUSY_ACTIVE_FW				0xFE
>> +
>>   #define HINIC_MSG_HEADER_GET(val, member)			\
>>   		(((val) >> HINIC_MSG_HEADER_##member##_SHIFT) & \
>>   		HINIC_MSG_HEADER_##member##_MASK)
>> diff --git a/drivers/net/hinic/base/hinic_pmd_nicio.c b/drivers/net/hinic/base/hinic_pmd_nicio.c
>> index 31a13fbdcf..d3e8f2e74d 100644
>> --- a/drivers/net/hinic/base/hinic_pmd_nicio.c
>> +++ b/drivers/net/hinic/base/hinic_pmd_nicio.c
>> @@ -536,7 +536,7 @@ int hinic_init_qp_ctxts(struct hinic_hwdev *hwdev)
>>   	if (hwdev->cmdqs->status & HINIC_CMDQ_SET_FAIL) {
>>   		err = hinic_reinit_cmdq_ctxts(hwdev);
>>   		if (err) {
>> -			PMD_DRV_LOG(ERR, "Reinit cmdq context failed, rc: %d\n",
>> +			PMD_DRV_LOG(ERR, "Reinit cmdq context failed when dev start, err: %d",
>>   				err);
>>   			return err;
>>   		}
>>
>
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