[dpdk-dev] [EXT] [PATCH v3 1/3] ethdev: support API to set max LRO packet size
Shahed Shaikh
shshaikh at marvell.com
Thu Nov 7 12:57:14 CET 2019
> -----Original Message-----
> From: Dekel Peled <dekelp at mellanox.com>
> Sent: Wednesday, November 6, 2019 7:58 PM
> To: john.mcnamara at intel.com; marko.kovacevic at intel.com;
> nhorman at tuxdriver.com; ajit.khaparde at broadcom.com;
> somnath.kotur at broadcom.com; anatoly.burakov at intel.com;
> xuanziyang2 at huawei.com; cloud.wangxiaoyun at huawei.com;
> zhouguoyang at huawei.com; wenzhuo.lu at intel.com;
> konstantin.ananyev at intel.com; matan at mellanox.com;
> shahafs at mellanox.com; viacheslavo at mellanox.com; Rasesh Mody
> <rmody at marvell.com>; Shahed Shaikh <shshaikh at marvell.com>;
> maxime.coquelin at redhat.com; tiwei.bie at intel.com; zhihong.wang at intel.com;
> yongwang at vmware.com; thomas at monjalon.net; ferruh.yigit at intel.com;
> arybchenko at solarflare.com; jingjing.wu at intel.com;
> bernard.iremonger at intel.com
> Cc: dev at dpdk.org
> Subject: [EXT] [PATCH v3 1/3] ethdev: support API to set max LRO packet size
>
> External Email
>
> ----------------------------------------------------------------------
> This patch implements [1], to support API for configuration and
>
> validation of max size for LRO aggregated packet.
>
> API change notice [2] is removed, and release notes for 19.11
>
> are updated accordingly.
>
>
>
> Various PMDs using LRO offload are updated, the new data members are
>
> initialized to ensure they don't fail validation.
>
>
>
> [1] https://urldefense.proofpoint.com/v2/url?u=http-
> 3A__patches.dpdk.org_patch_58217_&d=DwIBAg&c=nKjWec2b6R0mOyPaz7xtf
> Q&r=qeevDAWea4uZZbQhISypy6IVgD4EOfIP7D-
> cw6N6nsI&m=ghr6KiUvwMCjBQ7KRJJ8BfoTOHlY9gICprAIn4yao9A&s=ANfM9GH
> SB9nUhm8O8YaoqcXO0eTBO7TmGhVmekbNO6U&e=
>
> [2] https://urldefense.proofpoint.com/v2/url?u=http-
> 3A__patches.dpdk.org_patch_57492_&d=DwIBAg&c=nKjWec2b6R0mOyPaz7xtf
> Q&r=qeevDAWea4uZZbQhISypy6IVgD4EOfIP7D-
> cw6N6nsI&m=ghr6KiUvwMCjBQ7KRJJ8BfoTOHlY9gICprAIn4yao9A&s=ppYVWXe
> Jj3xhnvWCV2hIfNu6wy9N2r5lvJxgJnHKfSc&e=
>
>
>
> Signed-off-by: Dekel Peled <dekelp at mellanox.com>
>
> Reviewed-by: Andrew Rybchenko <arybchenko at solarflare.com>
>
> Acked-by: Thomas Monjalon <thomas at monjalon.net>
>
> ---
>
> doc/guides/nics/features.rst | 2 ++
>
> doc/guides/rel_notes/deprecation.rst | 4 ---
>
> doc/guides/rel_notes/release_19_11.rst | 8 ++++++
>
> drivers/net/bnxt/bnxt_ethdev.c | 1 +
>
> drivers/net/hinic/hinic_pmd_ethdev.c | 1 +
>
> drivers/net/ixgbe/ixgbe_ethdev.c | 2 ++
>
> drivers/net/ixgbe/ixgbe_vf_representor.c | 1 +
>
> drivers/net/mlx5/mlx5.h | 3 +++
>
> drivers/net/mlx5/mlx5_ethdev.c | 1 +
>
> drivers/net/mlx5/mlx5_rxq.c | 1 -
>
> drivers/net/qede/qede_ethdev.c | 1 +
>
> drivers/net/virtio/virtio_ethdev.c | 1 +
>
> drivers/net/vmxnet3/vmxnet3_ethdev.c | 1 +
>
> lib/librte_ethdev/rte_ethdev.c | 44
> ++++++++++++++++++++++++++++++++
>
> lib/librte_ethdev/rte_ethdev.h | 4 +++
>
> 15 files changed, 70 insertions(+), 5 deletions(-)
>
> @@ -1277,6 +1277,7 @@ static int qede_dev_configure(struct rte_eth_dev
> *eth_dev)
>
>
>
> dev_info->min_rx_bufsize = (uint32_t)QEDE_MIN_RX_BUFF_SIZE;
>
> dev_info->max_rx_pktlen =
> (uint32_t)ETH_TX_MAX_NON_LSO_PKT_LEN;
>
> + dev_info->max_lro_pkt_size =
> (uint32_t)ETH_TX_MAX_NON_LSO_PKT_LEN
Please use 0x7FFF instead of ETH_TX_MAX_NON_LSO_PKT_LEN.
We set the same limit in qede_ethdev.c: qede_update_sge_tpa_params()
sge_tpa_params->tpa_max_size = 0x7FFF;
Thanks,
Shahed
>
> dev_info->rx_desc_lim = qede_rx_desc_lim;
>
> dev_info->tx_desc_lim = qede_tx_desc_lim;
>
>
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