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1) Support 4 ports VF LAG, part 2/2 2) Few extra trivial cleanup patches Shay Drory Says: ================ Support 4 ports VF LAG, part 2/2 This series continues the series[1] "Support 4 ports VF LAG, part1/2". This series adds support for 4 ports VF LAG (single FDB E-Switch). This series of patches refactoring LAG code that make assumptions about VF LAG supporting only two ports and then enable 4 ports VF LAG. Patch 1: - Fix for ib rep code Patches 2-5: - Refactors LAG layer. Patches 6-7: - Block LAG types which doesn't support 4 ports. Patch 8: - Enable 4 ports VF LAG. This series specifically allows HCAs with 4 ports to create a VF LAG with only 4 ports. It is not possible to create a VF LAG with 2 or 3 ports using HCAs that have 4 ports. Currently, the Merged E-Switch feature only supports HCAs with 2 ports. However, upcoming patches will introduce support for HCAs with 4 ports. In order to activate VF LAG a user can execute: devlink dev eswitch set pci/0000:08:00.0 mode switchdev devlink dev eswitch set pci/0000:08:00.1 mode switchdev devlink dev eswitch set pci/0000:08:00.2 mode switchdev devlink dev eswitch set pci/0000:08:00.3 mode switchdev ip link add name bond0 type bond ip link set dev bond0 type bond mode 802.3ad ip link set dev eth2 master bond0 ip link set dev eth3 master bond0 ip link set dev eth4 master bond0 ip link set dev eth5 master bond0 Where eth2, eth3, eth4 and eth5 are net-interfaces of pci/0000:08:00.0 pci/0000:08:00.1 pci/0000:08:00.2 pci/0000:08:00.3 respectively. User can verify LAG state and type via debugfs: /sys/kernel/debug/mlx5/0000\:08\:00.0/lag/state /sys/kernel/debug/mlx5/0000\:08\:00.0/lag/type [1] https://lore.kernel.org/netdev/20230601060118.154015-1-saeed@kernel.org/T/#mf1d2083780970ba277bfe721554d4925f03f36d1 ================ -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEGhZs6bAKwk/OTgTpSD+KveBX+j4FAmSA7/0ACgkQSD+KveBX +j4faQgApm14Id8QTB0rSj9tO1tJFtSgCcpDN9DtyYWuq3B0rGW9CPC1rPdaFOlt xst7PtEaCiJu7a7dwlH/kFLSAlXpZHdUZA+VG8JF0aYV8qOV/0R0xQKZgP68kwkn vFZqZCzA1vR6egK3AweAjKAVaqDKSSKVlFGXJGzyNpGMWpGEEKodlZKCH7Jd580F UFhCqbyY8vccMUa3cvrLVjePUjdM1xxsLKHWmYXTaN2NkoLvOYXnXThElu7skm96 Uqv8B9t2FoojZPBxgiJtoGKZ516+1dozORq7ioQug3oG9P/vpTY5QnTMKSZpJUTH 5cdSCdqii4UDPqfe0PtdEdE1O2aWig== =A44p -----END PGP SIGNATURE----- Merge tag 'mlx5-updates-2023-06-06' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5-updates-2023-06-06 1) Support 4 ports VF LAG, part 2/2 2) Few extra trivial cleanup patches Shay Drory Says: ================ Support 4 ports VF LAG, part 2/2 This series continues the series[1] "Support 4 ports VF LAG, part1/2". This series adds support for 4 ports VF LAG (single FDB E-Switch). This series of patches refactoring LAG code that make assumptions about VF LAG supporting only two ports and then enable 4 ports VF LAG. Patch 1: - Fix for ib rep code Patches 2-5: - Refactors LAG layer. Patches 6-7: - Block LAG types which doesn't support 4 ports. Patch 8: - Enable 4 ports VF LAG. This series specifically allows HCAs with 4 ports to create a VF LAG with only 4 ports. It is not possible to create a VF LAG with 2 or 3 ports using HCAs that have 4 ports. Currently, the Merged E-Switch feature only supports HCAs with 2 ports. However, upcoming patches will introduce support for HCAs with 4 ports. In order to activate VF LAG a user can execute: devlink dev eswitch set pci/0000:08:00.0 mode switchdev devlink dev eswitch set pci/0000:08:00.1 mode switchdev devlink dev eswitch set pci/0000:08:00.2 mode switchdev devlink dev eswitch set pci/0000:08:00.3 mode switchdev ip link add name bond0 type bond ip link set dev bond0 type bond mode 802.3ad ip link set dev eth2 master bond0 ip link set dev eth3 master bond0 ip link set dev eth4 master bond0 ip link set dev eth5 master bond0 Where eth2, eth3, eth4 and eth5 are net-interfaces of pci/0000:08:00.0 pci/0000:08:00.1 pci/0000:08:00.2 pci/0000:08:00.3 respectively. User can verify LAG state and type via debugfs: /sys/kernel/debug/mlx5/0000\:08\:00.0/lag/state /sys/kernel/debug/mlx5/0000\:08\:00.0/lag/type [1] https://lore.kernel.org/netdev/20230601060118.154015-1-saeed@kernel.org/T/#mf1d2083780970ba277bfe721554d4925f03f36d1 ================ * tag 'mlx5-updates-2023-06-06' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux: net/mlx5e: simplify condition after napi budget handling change mlx5/core: E-Switch, Allocate ECPF vport if it's an eswitch manager net/mlx5: Skip inline mode check after mlx5_eswitch_enable_locked() failure net/mlx5e: TC, refactor access to hash key net/mlx5e: Remove RX page cache leftovers net/mlx5e: Expose catastrophic steering error counters net/mlx5: Enable 4 ports VF LAG net/mlx5: LAG, block multiport eswitch LAG in case ldev have more than 2 ports net/mlx5: LAG, block multipath LAG in case ldev have more than 2 ports net/mlx5: LAG, change mlx5_shared_fdb_supported() to static net/mlx5: LAG, generalize handling of shared FDB net/mlx5: LAG, check if all eswitches are paired for shared FDB {net/RDMA}/mlx5: introduce lag_for_each_peer RDMA/mlx5: Free second uplink ib port ==================== Link: https://lore.kernel.org/r/20230607210410.88209-1-saeed@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.