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[2/8] net: ethtool: pse-pd: Expand C33 PSE status with class, power and status message

Message ID 20240529-feature_poe_power_cap-v1-2-0c4b1d5953b8@bootlin.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series [1/8] net: pse-pd: Use EOPNOTSUPP error code instead of ENOTSUPP | expand

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netdev/series_format warning Series does not have a cover letter
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; GEN HAS DIFF 2 files changed, 87 insertions(+);
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: 908 this patch: 908
netdev/build_tools success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 1 maintainers not CCed: andrew@lunn.ch
netdev/build_clang success Errors and warnings before: 906 this patch: 906
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: 913 this patch: 913
netdev/checkpatch warning CHECK: From:/Signed-off-by: email comments mismatch: 'From: Kory Maincent (Dent Project) <kory.maincent@bootlin.com>' != 'Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>'
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

Commit Message

Kory Maincent May 29, 2024, 2:09 p.m. UTC 
From: "Kory Maincent (Dent Project)" <kory.maincent@bootlin.com>

This update expands the status information provided by ethtool for PSE c33.
It includes details such as the detected class, current power delivered,
and a detailed status message.

Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
---
 include/linux/pse-pd/pse.h           |  8 ++++++++
 include/uapi/linux/ethtool_netlink.h |  3 +++
 net/ethtool/pse-pd.c                 | 22 ++++++++++++++++++++++
 3 files changed, 33 insertions(+)

Comments

Donald Hunter May 30, 2024, 10:32 a.m. UTC | #1 
Kory Maincent <kory.maincent@bootlin.com> writes:

> From: "Kory Maincent (Dent Project)" <kory.maincent@bootlin.com>
>
> This update expands the status information provided by ethtool for PSE c33.
> It includes details such as the detected class, current power delivered,
> and a detailed status message.
>
> Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
> ---
>  include/linux/pse-pd/pse.h           |  8 ++++++++
>  include/uapi/linux/ethtool_netlink.h |  3 +++
>  net/ethtool/pse-pd.c                 | 22 ++++++++++++++++++++++
>  3 files changed, 33 insertions(+)
>
> diff --git a/include/linux/pse-pd/pse.h b/include/linux/pse-pd/pse.h
> index 6eec24ffa866..04219ca20d60 100644
> --- a/include/linux/pse-pd/pse.h
> +++ b/include/linux/pse-pd/pse.h
> @@ -36,12 +36,20 @@ struct pse_control_config {
>   *	functions. IEEE 802.3-2022 30.9.1.1.2 aPSEAdminState
>   * @c33_pw_status: power detection status of the PSE.
>   *	IEEE 802.3-2022 30.9.1.1.5 aPSEPowerDetectionStatus:
> + * @c33_pw_class: detected class of a powered PD
> + *	IEEE 802.3-2022 30.9.1.1.8 aPSEPowerClassification
> + * @c33_actual_pw: power currently delivered by the PSE in mW
> + *	IEEE 802.3-2022 30.9.1.1.23 aPSEActualPower
> + * @c33_pw_status_msg: detailed power detection status of the PSE
>   */
>  struct pse_control_status {
>  	enum ethtool_podl_pse_admin_state podl_admin_state;
>  	enum ethtool_podl_pse_pw_d_status podl_pw_status;
>  	enum ethtool_c33_pse_admin_state c33_admin_state;
>  	enum ethtool_c33_pse_pw_d_status c33_pw_status;
> +	u32 c33_pw_class;
> +	u32 c33_actual_pw;
> +	const char *c33_pw_status_msg;
>  };
>  
>  /**
> diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h
> index b49b804b9495..c3f288b737e6 100644
> --- a/include/uapi/linux/ethtool_netlink.h
> +++ b/include/uapi/linux/ethtool_netlink.h
> @@ -915,6 +915,9 @@ enum {
>  	ETHTOOL_A_C33_PSE_ADMIN_STATE,		/* u32 */
>  	ETHTOOL_A_C33_PSE_ADMIN_CONTROL,	/* u32 */
>  	ETHTOOL_A_C33_PSE_PW_D_STATUS,		/* u32 */
> +	ETHTOOL_A_C33_PSE_PW_STATUS_MSG,	/* binary */

It looks like the type is 'string' ?

> +	ETHTOOL_A_C33_PSE_PW_CLASS,		/* u32 */
> +	ETHTOOL_A_C33_PSE_ACTUAL_PW,		/* u32 */
>  
>  	/* add new constants above here */
>  	__ETHTOOL_A_PSE_CNT,
> diff --git a/net/ethtool/pse-pd.c b/net/ethtool/pse-pd.c
> index 2c981d443f27..faddc14efbea 100644
> --- a/net/ethtool/pse-pd.c
> +++ b/net/ethtool/pse-pd.c
> @@ -86,6 +86,13 @@ static int pse_reply_size(const struct ethnl_req_info *req_base,
>  		len += nla_total_size(sizeof(u32)); /* _C33_PSE_ADMIN_STATE */
>  	if (st->c33_pw_status > 0)
>  		len += nla_total_size(sizeof(u32)); /* _C33_PSE_PW_D_STATUS */
> +	if (st->c33_pw_class > 0)
> +		len += nla_total_size(sizeof(u32)); /* _C33_PSE_PW_CLASS */
> +	if (st->c33_actual_pw > 0)
> +		len += nla_total_size(sizeof(u32)); /* _C33_PSE_ACTUAL_PW */
> +	if (st->c33_pw_status_msg)
> +		/* _C33_PSE_PW_STATUS_MSG */
> +		len += nla_total_size(strlen(st->c33_pw_status_msg) + 1);
>  
>  	return len;
>  }
> @@ -117,6 +124,21 @@ static int pse_fill_reply(struct sk_buff *skb,
>  			st->c33_pw_status))
>  		return -EMSGSIZE;
>  
> +	if (st->c33_pw_class > 0 &&
> +	    nla_put_u32(skb, ETHTOOL_A_C33_PSE_PW_CLASS,
> +			st->c33_pw_class))
> +		return -EMSGSIZE;
> +
> +	if (st->c33_actual_pw > 0 &&
> +	    nla_put_u32(skb, ETHTOOL_A_C33_PSE_ACTUAL_PW,
> +			st->c33_actual_pw))
> +		return -EMSGSIZE;
> +
> +	if (st->c33_pw_status_msg &&
> +	    nla_put_string(skb, ETHTOOL_A_C33_PSE_PW_STATUS_MSG,
> +			   st->c33_pw_status_msg))
> +		return -EMSGSIZE;
> +
>  	return 0;
>  }
Kory Maincent May 30, 2024, 12:58 p.m. UTC | #2 
On Thu, 30 May 2024 11:32:23 +0100
Donald Hunter <donald.hunter@gmail.com> wrote:

> Kory Maincent <kory.maincent@bootlin.com> writes:
> 
> > From: "Kory Maincent (Dent Project)" <kory.maincent@bootlin.com>
> >
> > This update expands the status information provided by ethtool for PSE c33.
> > It includes details such as the detected class, current power delivered,
> > and a detailed status message.

> >  
> >  /**
> > diff --git a/include/uapi/linux/ethtool_netlink.h
> > b/include/uapi/linux/ethtool_netlink.h index b49b804b9495..c3f288b737e6
> > 100644 --- a/include/uapi/linux/ethtool_netlink.h
> > +++ b/include/uapi/linux/ethtool_netlink.h
> > @@ -915,6 +915,9 @@ enum {
> >  	ETHTOOL_A_C33_PSE_ADMIN_STATE,		/* u32 */
> >  	ETHTOOL_A_C33_PSE_ADMIN_CONTROL,	/* u32 */
> >  	ETHTOOL_A_C33_PSE_PW_D_STATUS,		/* u32 */
> > +	ETHTOOL_A_C33_PSE_PW_STATUS_MSG,	/* binary */  
> 
> It looks like the type is 'string' ?

Yes, you are totally right, thanks!
diff mbox series

Patch

diff --git a/include/linux/pse-pd/pse.h b/include/linux/pse-pd/pse.h
index 6eec24ffa866..04219ca20d60 100644
--- a/include/linux/pse-pd/pse.h
+++ b/include/linux/pse-pd/pse.h
@@ -36,12 +36,20 @@  struct pse_control_config {
  *	functions. IEEE 802.3-2022 30.9.1.1.2 aPSEAdminState
  * @c33_pw_status: power detection status of the PSE.
  *	IEEE 802.3-2022 30.9.1.1.5 aPSEPowerDetectionStatus:
+ * @c33_pw_class: detected class of a powered PD
+ *	IEEE 802.3-2022 30.9.1.1.8 aPSEPowerClassification
+ * @c33_actual_pw: power currently delivered by the PSE in mW
+ *	IEEE 802.3-2022 30.9.1.1.23 aPSEActualPower
+ * @c33_pw_status_msg: detailed power detection status of the PSE
  */
 struct pse_control_status {
 	enum ethtool_podl_pse_admin_state podl_admin_state;
 	enum ethtool_podl_pse_pw_d_status podl_pw_status;
 	enum ethtool_c33_pse_admin_state c33_admin_state;
 	enum ethtool_c33_pse_pw_d_status c33_pw_status;
+	u32 c33_pw_class;
+	u32 c33_actual_pw;
+	const char *c33_pw_status_msg;
 };
 
 /**
diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h
index b49b804b9495..c3f288b737e6 100644
--- a/include/uapi/linux/ethtool_netlink.h
+++ b/include/uapi/linux/ethtool_netlink.h
@@ -915,6 +915,9 @@  enum {
 	ETHTOOL_A_C33_PSE_ADMIN_STATE,		/* u32 */
 	ETHTOOL_A_C33_PSE_ADMIN_CONTROL,	/* u32 */
 	ETHTOOL_A_C33_PSE_PW_D_STATUS,		/* u32 */
+	ETHTOOL_A_C33_PSE_PW_STATUS_MSG,	/* binary */
+	ETHTOOL_A_C33_PSE_PW_CLASS,		/* u32 */
+	ETHTOOL_A_C33_PSE_ACTUAL_PW,		/* u32 */
 
 	/* add new constants above here */
 	__ETHTOOL_A_PSE_CNT,
diff --git a/net/ethtool/pse-pd.c b/net/ethtool/pse-pd.c
index 2c981d443f27..faddc14efbea 100644
--- a/net/ethtool/pse-pd.c
+++ b/net/ethtool/pse-pd.c
@@ -86,6 +86,13 @@  static int pse_reply_size(const struct ethnl_req_info *req_base,
 		len += nla_total_size(sizeof(u32)); /* _C33_PSE_ADMIN_STATE */
 	if (st->c33_pw_status > 0)
 		len += nla_total_size(sizeof(u32)); /* _C33_PSE_PW_D_STATUS */
+	if (st->c33_pw_class > 0)
+		len += nla_total_size(sizeof(u32)); /* _C33_PSE_PW_CLASS */
+	if (st->c33_actual_pw > 0)
+		len += nla_total_size(sizeof(u32)); /* _C33_PSE_ACTUAL_PW */
+	if (st->c33_pw_status_msg)
+		/* _C33_PSE_PW_STATUS_MSG */
+		len += nla_total_size(strlen(st->c33_pw_status_msg) + 1);
 
 	return len;
 }
@@ -117,6 +124,21 @@  static int pse_fill_reply(struct sk_buff *skb,
 			st->c33_pw_status))
 		return -EMSGSIZE;
 
+	if (st->c33_pw_class > 0 &&
+	    nla_put_u32(skb, ETHTOOL_A_C33_PSE_PW_CLASS,
+			st->c33_pw_class))
+		return -EMSGSIZE;
+
+	if (st->c33_actual_pw > 0 &&
+	    nla_put_u32(skb, ETHTOOL_A_C33_PSE_ACTUAL_PW,
+			st->c33_actual_pw))
+		return -EMSGSIZE;
+
+	if (st->c33_pw_status_msg &&
+	    nla_put_string(skb, ETHTOOL_A_C33_PSE_PW_STATUS_MSG,
+			   st->c33_pw_status_msg))
+		return -EMSGSIZE;
+
 	return 0;
 }