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From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: Luca Boccassi <bluca@debian.org>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Lu, Wenzhuo" <wenzhuo.lu@intel.com>,
	"Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 1/2] net/ixgbe: fix x550 code to handle unidentified PHY
Date: Fri, 2 Nov 2018 14:11:50 +0000
Message-ID: <039ED4275CED7440929022BC67E70611532DEB42@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <20181101140413.18665-1-bluca@debian.org>



> -----Original Message-----
> From: Luca Boccassi [mailto:bluca@debian.org]
> Sent: Thursday, November 1, 2018 9:04 AM
> To: dev@dpdk.org
> Cc: Lu, Wenzhuo <wenzhuo.lu@intel.com>; Ananyev, Konstantin
> <konstantin.ananyev@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>; Luca
> Boccassi <bluca@debian.org>; stable@dpdk.org
> Subject: [PATCH 1/2] net/ixgbe: fix x550 code to handle unidentified PHY
> 
> ixgbe_identify_phy_x550em() was missing the code to handle unidentified
> PHY that has been there in 82599 so it was not able to complete initialization
> of ixgbe sequence if no sfp plugged in.
> Port it over to return an appropriate type and complete init sequence
> properly.
> 
> Fixes: d2e72774e58c ("ixgbe/base: support X550")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Luca Boccassi <bluca@debian.org>
> ---
> v2: refresh to remove merge conflict with master
> 
>  drivers/net/ixgbe/base/ixgbe_x550.c | 19 ++++++++++++++++---
>  1 file changed, 16 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c
> b/drivers/net/ixgbe/base/ixgbe_x550.c
> index f7b98af52..83b394861 100644
> --- a/drivers/net/ixgbe/base/ixgbe_x550.c
> +++ b/drivers/net/ixgbe/base/ixgbe_x550.c
> @@ -315,13 +315,21 @@ STATIC void ixgbe_setup_mux_ctl(struct ixgbe_hw
> *hw)
>   */
>  STATIC s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)  {
> +	s32 status;
> +
>  	hw->mac.ops.set_lan_id(hw);
> 
>  	ixgbe_read_mng_if_sel_x550em(hw);
> 
>  	switch (hw->device_id) {
>  	case IXGBE_DEV_ID_X550EM_A_SFP:
> -		return ixgbe_identify_sfp_module_X550em(hw);
> +		status = ixgbe_identify_sfp_module_X550em(hw);
> +		/* Set PHY type none if no PHY detected */
> +		if (hw->phy.type == ixgbe_phy_unknown) {
> +			hw->phy.type = ixgbe_phy_none;
> +			return IXGBE_SUCCESS;
> +		}

Why this can't be handled at caller, why we replace phy_unknown by phy_none only for x550?

> +		return status;
>  	case IXGBE_DEV_ID_X550EM_X_SFP:
>  		/* set up for CS4227 usage */
>  		ixgbe_setup_mux_ctl(hw);
> @@ -329,8 +337,13 @@ STATIC s32 ixgbe_identify_phy_x550em(struct
> ixgbe_hw *hw)
>  		/* Fallthrough */
> 
>  	case IXGBE_DEV_ID_X550EM_A_SFP_N:
> -		return ixgbe_identify_sfp_module_X550em(hw);
> -		break;
> +		status = ixgbe_identify_sfp_module_X550em(hw);
> +		/* Set PHY type none if no PHY detected */
> +		if (hw->phy.type == ixgbe_phy_unknown) {
> +			hw->phy.type = ixgbe_phy_none;
> +			return IXGBE_SUCCESS;
> +		}
> +		return status;
>  	case IXGBE_DEV_ID_X550EM_X_KX4:
>  		hw->phy.type = ixgbe_phy_x550em_kx4;
>  		break;
> --
> 2.19.1

  parent reply	other threads:[~2018-11-02 14:11 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-15 17:09 Luca Boccassi
2018-08-15 17:09 ` [dpdk-dev] [PATCH 2/2] net/ixgbe: add LHA ID to x550 code Luca Boccassi
2018-09-26 10:22 ` [dpdk-dev] [PATCH 1/2] net/ixgbe: fix x550 code to handle unidentified PHY Luca Boccassi
2018-11-01 14:04 ` Luca Boccassi
2018-11-01 14:04   ` [dpdk-dev] [PATCH 2/2] net/ixgbe: add LHA ID to x550 code Luca Boccassi
2018-11-01 14:41   ` [dpdk-dev] [PATCH 1/2] net/ixgbe: fix x550 code to handle unidentified PHY Luca Boccassi
2018-11-02 14:11   ` Zhang, Qi Z [this message]
2018-11-02 15:21     ` Luca Boccassi
2018-11-02 16:49       ` Zhang, Qi Z
2018-11-02 17:08         ` [dpdk-dev] [dpdk-stable] " Luca Boccassi
2018-11-02 15:18 ` [dpdk-dev] [PATCH v3 " Luca Boccassi
2018-11-02 15:18   ` [dpdk-dev] [PATCH v3 2/2] net/ixgbe: add LHA ID to x550 code Luca Boccassi
2018-11-05 17:41   ` [dpdk-dev] [PATCH v3 1/2] net/ixgbe: fix x550 code to handle unidentified PHY Zhang, Qi Z
2018-11-05 18:08     ` [dpdk-dev] [dpdk-stable] " Luca Boccassi
2018-11-05 18:18     ` [dpdk-dev] " Chas Williams
2018-11-06 23:31       ` Zhang, Qi Z
2018-11-07 12:55         ` Luca Boccassi
2018-11-07 18:27           ` Zhang, Qi Z
2018-11-09 13:18             ` [dpdk-dev] [dpdk-stable] " Luca Boccassi
2018-11-20 11:28               ` Luca Boccassi
2018-11-20 11:27   ` [dpdk-dev] [PATCH v4] net/ixgbe: add LHA ID to x550 code Luca Boccassi
2018-11-20 19:52     ` Zhang, Qi Z
2018-11-20 21:08       ` [dpdk-dev] [dpdk-stable] " Luca Boccassi
2018-11-22 17:54         ` Zhang, Qi Z

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