From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Adrien Mazarguil <adrien.mazarguil@6wind.com>,
Shahaf Shuler <shahafs@mellanox.com>
Cc: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>,
Yongseok Koh <yskoh@mellanox.com>,
dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2 1/6] net/mlx5: lay groundwork for switch offloads
Date: Mon, 23 Jul 2018 22:40:47 +0100 [thread overview]
Message-ID: <e0d79ae3-e9ee-2483-10ad-a4e668d687ea@intel.com> (raw)
In-Reply-To: <20180713092910.26276-2-adrien.mazarguil@6wind.com>
On 7/13/2018 10:40 AM, Adrien Mazarguil wrote:
> With mlx5, unlike normal flow rules implemented through Verbs for traffic
> emitted and received by the application, those targeting different logical
> ports of the device (VF representors for instance) are offloaded at the
> switch level and must be configured through Netlink (TC interface).
>
> This patch adds preliminary support to manage such flow rules through the
> flow API (rte_flow).
>
> Instead of rewriting tons of Netlink helpers and as previously suggested by
> Stephen [1], this patch introduces a new dependency to libmnl [2]
> (LGPL-2.1) when compiling mlx5.
>
> [1] https://mails.dpdk.org/archives/dev/2018-March/092676.html
> [2] https://netfilter.org/projects/libmnl/
Just to highlight this new PMD level dependency to libmnl.
tap pmd also uses netlink and vdev_netvsc also does nl communication, perhaps we
can discuss unifying netlink usage around this new library.
>
> Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
> Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
> Cc: Yongseok Koh <yskoh@mellanox.com>
> --
> v2 changes:
>
> - Added NETLINK_CAP_ACK definition if missing from the host system. This
> parameter is also not mandatory anymore and won't prevent creation of
> NL sockets when not supported.
> - Modified mlx5_nl_flow_nl_ack() and mlx5_nl_flow_init() to consume the
> least amount of stack space based on message size, instead of the fixed
> MNL_SOCKET_BUFFER_SIZE which is quite large.
<...>
next prev parent reply other threads:[~2018-07-23 21:41 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-27 18:08 [dpdk-dev] [PATCH 0/6] net/mlx5: add support for switch flow rules Adrien Mazarguil
2018-06-27 18:08 ` [dpdk-dev] [PATCH 1/6] net/mlx5: lay groundwork for switch offloads Adrien Mazarguil
2018-07-12 0:17 ` Yongseok Koh
2018-07-12 10:46 ` Adrien Mazarguil
2018-07-12 17:33 ` Yongseok Koh
2018-06-27 18:08 ` [dpdk-dev] [PATCH 2/6] net/mlx5: add framework for switch flow rules Adrien Mazarguil
2018-07-12 0:59 ` Yongseok Koh
2018-07-12 10:46 ` Adrien Mazarguil
2018-07-12 18:25 ` Yongseok Koh
2018-06-27 18:08 ` [dpdk-dev] [PATCH 3/6] net/mlx5: add fate actions to " Adrien Mazarguil
2018-07-12 1:00 ` Yongseok Koh
2018-06-27 18:08 ` [dpdk-dev] [PATCH 4/6] net/mlx5: add L2-L4 pattern items " Adrien Mazarguil
2018-07-12 1:02 ` Yongseok Koh
2018-06-27 18:08 ` [dpdk-dev] [PATCH 5/6] net/mlx5: add VLAN item and actions " Adrien Mazarguil
2018-07-12 1:10 ` Yongseok Koh
2018-07-12 10:47 ` Adrien Mazarguil
2018-07-12 18:49 ` Yongseok Koh
2018-06-27 18:08 ` [dpdk-dev] [PATCH 6/6] net/mlx5: add port ID pattern item " Adrien Mazarguil
2018-07-12 1:13 ` Yongseok Koh
2018-06-28 9:05 ` [dpdk-dev] [PATCH 0/6] net/mlx5: add support for " Nélio Laranjeiro
2018-07-13 9:40 ` [dpdk-dev] [PATCH v2 " Adrien Mazarguil
2018-07-13 9:40 ` [dpdk-dev] [PATCH v2 1/6] net/mlx5: lay groundwork for switch offloads Adrien Mazarguil
2018-07-14 1:29 ` Yongseok Koh
2018-07-23 21:40 ` Ferruh Yigit [this message]
2018-07-24 0:50 ` Stephen Hemminger
2018-07-24 4:35 ` Shahaf Shuler
2018-07-24 19:33 ` Stephen Hemminger
2018-07-13 9:40 ` [dpdk-dev] [PATCH v2 2/6] net/mlx5: add framework for switch flow rules Adrien Mazarguil
2018-07-13 9:40 ` [dpdk-dev] [PATCH v2 3/6] net/mlx5: add fate actions to " Adrien Mazarguil
2018-07-13 9:40 ` [dpdk-dev] [PATCH v2 4/6] net/mlx5: add L2-L4 pattern items " Adrien Mazarguil
2018-07-13 9:40 ` [dpdk-dev] [PATCH v2 5/6] net/mlx5: add VLAN item and actions " Adrien Mazarguil
2018-07-13 9:40 ` [dpdk-dev] [PATCH v2 6/6] net/mlx5: add port ID pattern item " Adrien Mazarguil
2018-07-22 11:21 ` [dpdk-dev] [PATCH v2 0/6] net/mlx5: add support for " Shahaf Shuler
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