Date: Mon, 26 Jul 2021 15:19:44 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 14e2413289ae - stable/13 - mlx5en: add ASCII art providing an overview of flow tables organization Message-ID: <202107261519.16QFJiHx025764@gitrepo.freebsd.org>
next in thread | raw e-mail | index | archive | help
The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=14e2413289aedabf20b521dcbe5e24b34ca0d34b commit 14e2413289aedabf20b521dcbe5e24b34ca0d34b Author: Konstantin Belousov <konstantinb@nvidia.com> AuthorDate: 2021-04-26 22:38:46 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-07-26 13:51:11 +0000 mlx5en: add ASCII art providing an overview of flow tables organization (cherry picked from commit b1277d42d718cd42d04d39fa2d61873655e909b3) --- sys/dev/mlx5/mlx5_en/mlx5_en_flow_table.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_flow_table.c b/sys/dev/mlx5/mlx5_en/mlx5_en_flow_table.c index cdfe19d910d1..54fbe8e057cc 100644 --- a/sys/dev/mlx5/mlx5_en/mlx5_en_flow_table.c +++ b/sys/dev/mlx5/mlx5_en/mlx5_en_flow_table.c @@ -31,6 +31,35 @@ #include <dev/mlx5/fs.h> #include <dev/mlx5/mpfs.h> +/* + * The flow tables with rules define the packet processing on receive. + * Currently, the following structure is set up to handle different offloads + * like VLAN decapsulation, packet classification, RSS hashing, VxLAN checksum + * offloading: + * + * + * +=========+ +=========+ +=================+ + * |VLAN ft: | |VxLAN | |VxLAN Main | + * |CTAG/STAG|------>| VNI|----->|Inner Proto Match|=====> Inner TIR n + * |VID/noVID|/ |Catch-all|\ | | + * +=========+ +=========+| +=================+ + * | + * | + * | + * v + * +=================+ + * |Main | + * |Outer Proto Match|=====> TIR n + * | | + * +=================+ + * + * The path through flow rules directs each packet into an appropriate TIR, + * according to the: + * - VLAN encapsulation + * - Outer protocol + * - Presence of inner protocol + */ + #define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v) enum {
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202107261519.16QFJiHx025764>