diff mbox series

[net-next,v4,1/5] eth: fbnic: add software TX timestamping support

Message ID 20241008181436.4120604-2-vadfed@meta.com (mailing list archive)
State Accepted
Commit be65bfc957eb70aecdf3e351ec9fc3f067598f9e
Delegated to: Netdev Maintainers
Headers show
Series eth: fbnic: add timestamping support | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 6 this patch: 6
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 4 maintainers not CCed: edumazet@google.com mohsin.bashr@gmail.com kernel-team@meta.com horms@kernel.org
netdev/build_clang success Errors and warnings before: 6 this patch: 6
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 5 this patch: 5
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 32 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-10-10--09-00 (tests: 775)

Commit Message

Vadim Fedorenko Oct. 8, 2024, 6:14 p.m. UTC
Add software TX timestamping support. RX software timestamping is
implemented in the core and there is no need to provide special flag
in the driver anymore.

Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
---
 drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c | 11 +++++++++++
 drivers/net/ethernet/meta/fbnic/fbnic_txrx.c    |  3 +++
 2 files changed, 14 insertions(+)

Comments

Paolo Abeni Oct. 10, 2024, 10:18 a.m. UTC | #1
Hi,

On 10/8/24 20:14, Vadim Fedorenko wrote:
> diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
> index 5d980e178941..ffc773014e0f 100644
> --- a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
> +++ b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
> @@ -6,6 +6,16 @@
>   #include "fbnic_netdev.h"
>   #include "fbnic_tlv.h"
>   
> +static int
> +fbnic_get_ts_info(struct net_device *netdev,
> +		  struct kernel_ethtool_ts_info *tsinfo)
> +{
> +	tsinfo->so_timestamping =
> +		SOF_TIMESTAMPING_TX_SOFTWARE;

Only if you need to repost for some other reasons: the above could use a 
single line.

/P
Paolo Abeni Oct. 10, 2024, 10:38 a.m. UTC | #2
On 10/10/24 12:18, Paolo Abeni wrote:
> On 10/8/24 20:14, Vadim Fedorenko wrote:
>> diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
>> index 5d980e178941..ffc773014e0f 100644
>> --- a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
>> +++ b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
>> @@ -6,6 +6,16 @@
>>    #include "fbnic_netdev.h"
>>    #include "fbnic_tlv.h"
>>    
>> +static int
>> +fbnic_get_ts_info(struct net_device *netdev,
>> +		  struct kernel_ethtool_ts_info *tsinfo)
>> +{
>> +	tsinfo->so_timestamping =
>> +		SOF_TIMESTAMPING_TX_SOFTWARE;
> 
> Only if you need to repost for some other reasons: the above could use a
> single line.

Never mind, I see the changes in patch 3 now...

/P
Vadim Fedorenko Oct. 10, 2024, 10:49 a.m. UTC | #3
On 10/10/2024 11:38, Paolo Abeni wrote:
> On 10/10/24 12:18, Paolo Abeni wrote:
>> On 10/8/24 20:14, Vadim Fedorenko wrote:
>>> diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/ 
>>> drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
>>> index 5d980e178941..ffc773014e0f 100644
>>> --- a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
>>> +++ b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
>>> @@ -6,6 +6,16 @@
>>>    #include "fbnic_netdev.h"
>>>    #include "fbnic_tlv.h"
>>> +static int
>>> +fbnic_get_ts_info(struct net_device *netdev,
>>> +          struct kernel_ethtool_ts_info *tsinfo)
>>> +{
>>> +    tsinfo->so_timestamping =
>>> +        SOF_TIMESTAMPING_TX_SOFTWARE;
>>
>> Only if you need to repost for some other reasons: the above could use a
>> single line.
> 
> Never mind, I see the changes in patch 3 now...

Yep, the next patches will change this line..
diff mbox series

Patch

diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
index 5d980e178941..ffc773014e0f 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
@@ -6,6 +6,16 @@ 
 #include "fbnic_netdev.h"
 #include "fbnic_tlv.h"
 
+static int
+fbnic_get_ts_info(struct net_device *netdev,
+		  struct kernel_ethtool_ts_info *tsinfo)
+{
+	tsinfo->so_timestamping =
+		SOF_TIMESTAMPING_TX_SOFTWARE;
+
+	return 0;
+}
+
 static void
 fbnic_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 {
@@ -66,6 +76,7 @@  fbnic_get_eth_mac_stats(struct net_device *netdev,
 
 static const struct ethtool_ops fbnic_ethtool_ops = {
 	.get_drvinfo		= fbnic_get_drvinfo,
+	.get_ts_info		= fbnic_get_ts_info,
 	.get_eth_mac_stats	= fbnic_get_eth_mac_stats,
 };
 
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
index 6a6d7e22f1a7..8337d49bad0b 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
@@ -205,6 +205,9 @@  fbnic_tx_map(struct fbnic_ring *ring, struct sk_buff *skb, __le64 *meta)
 
 	ring->tail = tail;
 
+	/* Record SW timestamp */
+	skb_tx_timestamp(skb);
+
 	/* Verify there is room for another packet */
 	fbnic_maybe_stop_tx(skb->dev, ring, FBNIC_MAX_SKB_DESC);