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This series consists of some fixes and refactors for the mlx5 drivers, especially around the FPGA and flow steering. Most of them are trivial fixes and are the foundation of allowing IPSec acceleration from user-space. We use flow steering abstraction in order to accelerate IPSec packets. When a user creates a steering rule, [s]he states that we'll carry an encrypt/decrypt flow action (using a specific configuration) for every packet which conforms to a certain match. Since currently offloading these packets is done via FPGA, we'll add another set of flow steering ops. These ops will execute the required FPGA commands and then call the standard steering ops. In order to achieve this, we need that the commands will get all the required information. Therefore, we pass the fte object and embed the flow_action struct inside the fte. In addition, we add the shim layer that will later be used for alternating between the standard and the FPGA steering commands. Some fixes, like " net/mlx5e: Wait for FPGA command responses with a timeout" are very relevant for user-space applications, as these applications could be killed, but we still want to wait for the FPGA and update the kernel's database. Regards, Aviad and Matan -----BEGIN PGP SIGNATURE----- iQEcBAABAgAGBQJan4UmAAoJEEg/ir3gV/o+cZwH/1xBpdLsmeqEimwQ41bAc9Rj UmPZXXMyQVUYfGOiE1aLTH7YNi38XWSnTFMN7HklMeX/9YKxUZNG8YuiO9iQhE1B rUqRKfYFz9oFrUh95SzeclaunTpKrhYKHjQ9/u9nBMfI3H2Fy+y2NUBjIqJ6nysz op3EwRcX5kD4+MjRum24XLUnMSYbg05mHCZKTDj5/2T4x+/j0XQqvvmWWinIt8BO R4d7XGGywGjbhtcG1j+XBcFeLsEZnS/w70hoN38TdcmNWvokl1pGk8DVDii9i7GX c5jQj2h5WG/bdsS26y8MFfWpoAn3Qzzm4W4OYwp/vmL7n/Llvq0GRCEKCi8AlA0= =LeYV -----END PGP SIGNATURE----- Merge tag 'mlx5-updates-2018-02-28-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux Saeed Mahameed says: ==================== mlx5-updates-2018-02-28-1 (IPSec-1) This series consists of some fixes and refactors for the mlx5 drivers, especially around the FPGA and flow steering. Most of them are trivial fixes and are the foundation of allowing IPSec acceleration from user-space. We use flow steering abstraction in order to accelerate IPSec packets. When a user creates a steering rule, [s]he states that we'll carry an encrypt/decrypt flow action (using a specific configuration) for every packet which conforms to a certain match. Since currently offloading these packets is done via FPGA, we'll add another set of flow steering ops. These ops will execute the required FPGA commands and then call the standard steering ops. In order to achieve this, we need that the commands will get all the required information. Therefore, we pass the fte object and embed the flow_action struct inside the fte. In addition, we add the shim layer that will later be used for alternating between the standard and the FPGA steering commands. Some fixes, like " net/mlx5e: Wait for FPGA command responses with a timeout" are very relevant for user-space applications, as these applications could be killed, but we still want to wait for the FPGA and update the kernel's database. Regards, Aviad and Matan ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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