From: Wisam Monther <wisamm@nvidia.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>,
Wenzhuo Lu <wenzhuo.lu@intel.com>,
Xiaoyun Li <xiaoyun.li@intel.com>,
Bernard Iremonger <bernard.iremonger@intel.com>,
Steve Yang <stevex.yang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"stable@dpdk.org" <stable@dpdk.org>,
"lance.richardson@broadcom.com" <lance.richardson@broadcom.com>,
"oulijun@huawei.com" <oulijun@huawei.com>,
"lihuisong@huawei.com" <lihuisong@huawei.com>
Subject: Re: [dpdk-dev] [PATCH v5] app/testpmd: fix setting maximum packet length
Date: Tue, 26 Jan 2021 09:02:27 +0000 [thread overview]
Message-ID: <MWHPR12MB1677516421E04B7814024CAAA4BC9@MWHPR12MB1677.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20210125181548.2713326-1-ferruh.yigit@intel.com>
Hi,
> -----Original Message-----
> From: Ferruh Yigit <ferruh.yigit@intel.com>
> Sent: Monday, January 25, 2021 8:16 PM
> To: Wenzhuo Lu <wenzhuo.lu@intel.com>; Xiaoyun Li
> <xiaoyun.li@intel.com>; Bernard Iremonger
> <bernard.iremonger@intel.com>; Steve Yang <stevex.yang@intel.com>
> Cc: Ferruh Yigit <ferruh.yigit@intel.com>; dev@dpdk.org; stable@dpdk.org;
> lance.richardson@broadcom.com; oulijun@huawei.com; Wisam Monther
> <wisamm@nvidia.com>; lihuisong@huawei.com
> Subject: [PATCH v5] app/testpmd: fix setting maximum packet length
>
> From: Steve Yang <stevex.yang@intel.com>
>
> "port config all max-pkt-len" command fails because it doesn't set the
> 'DEV_RX_OFFLOAD_JUMBO_FRAME' offload flag properly.
>
> Commit in the fixes line moved the 'DEV_RX_OFFLOAD_JUMBO_FRAME'
> offload flag update from 'cmd_config_max_pkt_len_parsed()' to
> 'init_config()'.
> 'init_config()' function is only called during testpmd startup, but the flag
> status needs to be calculated whenever 'max_rx_pkt_len' changes.
>
> The issue can be reproduce as [1], where the 'max-pkt-len' reduced and
> 'DEV_RX_OFFLOAD_JUMBO_FRAME' offload flag should be cleared but it
> didn't.
>
> Adding the 'update_jumbo_frame_offload()' helper function to update
> 'DEV_RX_OFFLOAD_JUMBO_FRAME' offload flag and 'max_rx_pkt_len'. This
> function is called both by 'init_config()' and
> 'cmd_config_max_pkt_len_parsed()'.
>
> Default 'max-pkt-len' value set to zero, 'update_jumbo_frame_offload()'
> updates it to "RTE_ETHER_MTU + PMD specific Ethernet overhead" when it is
> zero.
> If '--max-pkt-len=N' argument provided, it will be used instead.
> And with each "port config all max-pkt-len" command, the
> 'DEV_RX_OFFLOAD_JUMBO_FRAME' offload flag, 'max-pkt-len' and MTU is
> updated.
>
> [1]
> --------------------------------------------------------------------------
> dpdk-testpmd -c 0xf -n 4 -- -i --max-pkt-len=9000 --tx-offloads=0x8000
> --rxq=4 --txq=4 --disable-rss
> testpmd> set verbose 3
> testpmd> port stop all
> testpmd> port config all max-pkt-len 1518 port start all
>
> // Got fail error info without this patch Configuring Port 0 (socket 1) Ethdev
> port_id=0 rx_queue_id=0, new added offloads 0x800 must be within per-
> queue offload capabilities 0x0 in rte_eth_rx_queue_setup() Fail to configure
> port 0 rx queues //<-- Fail error info;
> --------------------------------------------------------------------------
>
> Fixes: 761c4d66900f ("app/testpmd: fix max Rx packet length for VLAN
> packets")
> Cc: stable@dpdk.org
>
> Signed-off-by: Steve Yang <stevex.yang@intel.com>
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
> ---
>
> v5:
> * 'update_jumbo_frame_offload()' helper updated
> * check zero 'max-pkt-len' value
> * Update how queue offload flags updated
> * Update MTU if JUMBO_FRAME flag is not set
> * Default testpmd 'max-pkt-len' value set to zero
>
> Cc: lance.richardson@broadcom.com
> Cc: oulijun@huawei.com
> Cc: wisamm@mellanox.com
> Cc: lihuisong@huawei.com
> ---
It fixed this bug indeed: https://bugs.dpdk.org/show_bug.cgi?id=625
Thanks
Acked-by: Wisam Jaddo <wisamm@nvidia.com>
BRs,
Wisam Jaddo
next prev parent reply other threads:[~2021-01-26 9:03 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-22 8:13 [dpdk-dev] [PATCH v1] app/testpmd: fix dynamic config error for max-pkt-len Steve Yang
2020-12-23 2:27 ` Li, Xiaoyun
2020-12-23 8:51 ` [dpdk-dev] [PATCH v2] app/testpmd: fix dynamic config error Steve Yang
2020-12-23 9:00 ` Li, Xiaoyun
2021-01-13 8:13 ` Chen, BoX C
2021-01-19 15:44 ` Ferruh Yigit
2021-01-22 9:01 ` [dpdk-dev] [PATCH v3 0/3] fix 'max-pkt-len' errors Steve Yang
2021-01-22 9:01 ` [dpdk-dev] [PATCH v3 1/3] ethdev: fix MTU doesn't update when jumbo frame disabled Steve Yang
2021-01-25 7:12 ` Huisong Li
[not found] ` <DM6PR11MB43628A600BAAEC75FFF1343BF9BD9@DM6PR11MB4362.namprd11.prod.outlook.com>
2021-01-25 12:38 ` Ferruh Yigit
2021-01-22 9:01 ` [dpdk-dev] [PATCH v3 2/3] app/testpmd: fix max-pkt-len option invalid Steve Yang
2021-01-22 9:01 ` [dpdk-dev] [PATCH v3 3/3] app/testpmd: fix dynamic config error Steve Yang
2021-01-22 17:04 ` Ferruh Yigit
2021-01-22 17:15 ` Ferruh Yigit
2021-01-25 8:32 ` [dpdk-dev] [PATCH v4 0/2] fix 'max-pkt-len' errors Steve Yang
2021-01-25 8:32 ` [dpdk-dev] [PATCH v4 1/2] ethdev: fix MTU doesn't update when jumbo frame disabled Steve Yang
2021-01-25 12:41 ` Ferruh Yigit
2021-01-25 8:32 ` [dpdk-dev] [PATCH v4 2/2] app/testpmd: fix max-pkt-len option invalid Steve Yang
2021-01-25 14:45 ` Ferruh Yigit
2021-01-25 15:46 ` Lance Richardson
2021-01-25 17:57 ` Ferruh Yigit
2021-01-25 18:15 ` [dpdk-dev] [PATCH v5] app/testpmd: fix setting maximum packet length Ferruh Yigit
2021-01-25 19:41 ` Lance Richardson
2021-01-26 0:44 ` Ferruh Yigit
2021-01-26 3:22 ` Lance Richardson
2021-01-26 3:45 ` Lance Richardson
2021-01-26 7:54 ` Li, Xiaoyun
2021-01-26 11:01 ` Ferruh Yigit
2021-01-28 21:36 ` Lance Richardson
2021-01-28 22:12 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2021-01-26 9:02 ` Wisam Monther [this message]
2021-01-27 3:04 ` [dpdk-dev] " Li, Xiaoyun
2021-01-28 1:57 ` Chen, BoX C
2021-01-28 9:18 ` Wisam Monther
2021-01-28 9:26 ` Ferruh Yigit
2021-01-28 11:08 ` Wisam Monther
2021-01-28 12:07 ` [dpdk-dev] [PATCH v6] " Ferruh Yigit
2021-01-29 9:34 ` Ferruh Yigit
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