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From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: "Zhang, AlvinX" <alvinx.zhang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"Zhang, AlvinX" <alvinx.zhang@intel.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v7] net/ixgbe: fix configuration of max frame size
Date: Tue, 19 Jan 2021 06:30:00 +0000
Message-ID: <4f1a612fd68e4e63ac561e29db9a0ed2@intel.com> (raw)
In-Reply-To: <20210119052551.21204-1-alvinx.zhang@intel.com>



> -----Original Message-----
> From: Zhang,Alvin <alvinx.zhang@intel.com>
> Sent: Tuesday, January 19, 2021 1:26 PM
> To: Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org; Zhang, AlvinX <alvinx.zhang@intel.com>; stable@dpdk.org
> Subject: [PATCH v7] net/ixgbe: fix configuration of max frame size
> 
> From: Alvin Zhang <alvinx.zhang@intel.com>
> 
> For some types of NIC, jumbo frame is not supported in IOV mode, so if a VF
> requests to configure the frame size to not bigger than IXGBE_ETH_MAX_LEN,
> the kernel driver returns 0, but the DPDK ixgbe PMD returens -1, this will cause
> the VF to fail to start when the PF driven by DPDK ixgbe PMD.
> 
> This patch keeps ixgbe PMD's handling mode consistent with kernel driver in
> above situation.
> 
> In addition, the value set by the command IXGBE_VF_SET_LPE represents the
> max frame size, not the mtu.
> 
> Fixes: 1b9ea09c067b ("ixgbe: support X550")
> Fixes: 95a27b3ba5f5 ("net/ixgbe: enable jumbo frame for VF")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Alvin Zhang <alvinx.zhang@intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi

      reply	other threads:[~2021-01-19  6:30 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-14 10:14 [dpdk-dev] [PATCH] " Zhang,Alvin
2021-01-15  2:31 ` [dpdk-dev] [PATCH v2] " Zhang,Alvin
2021-01-15  6:43   ` Xie, WeiX
2021-01-15  7:00   ` [dpdk-dev] [PATCH v3] " Zhang,Alvin
2021-01-15  7:34     ` Xie, WeiX
2021-01-15  8:15     ` Guo, Jia
2021-01-15  9:50       ` Zhang, AlvinX
2021-01-15 10:08     ` [dpdk-dev] [PATCH v4] " Zhang,Alvin
2021-01-18  5:03       ` [dpdk-dev] [PATCH v5] " Zhang,Alvin
2021-01-18  5:58         ` Xie, WeiX
2021-01-18  8:35         ` [dpdk-dev] [PATCH v6] " Zhang,Alvin
2021-01-18  8:37           ` Guo, Jia
2021-01-19  5:25           ` [dpdk-dev] [PATCH v7] " Zhang,Alvin
2021-01-19  6:30             ` Zhang, Qi Z [this message]

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