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Date:   Tue, 14 Jan 2020 17:41:02 +0100
From:   Jiri Pirko <>
To:     Ido Schimmel <>
Cc:,,,,,,, Ido Schimmel <>
Subject: Re: [PATCH net-next v2 06/10] mlxsw: spectrum_router: Set hardware
 flags for routes

Tue, Jan 14, 2020 at 12:23:14PM CET, wrote:
>From: Ido Schimmel <>
>Previous patches added support for two hardware flags for IPv4 and IPv6
>routes: 'RTM_F_OFFLOAD' and 'RTM_F_TRAP'. Both indicate the presence of
>the route in hardware. The first indicates that traffic is actually
>offloaded from the kernel, whereas the second indicates that packets
>hitting such routes are trapped to the kernel for processing (e.g., host
>Use these two flags in mlxsw. The flags are modified in two places.
>Firstly, whenever a route is updated in the device's table. This
>includes the addition, deletion or update of a route. For example, when
>a host route is promoted to perform NVE decapsulation, its action in the
>device is updated, the 'RTM_F_OFFLOAD' flag set and the 'RTM_F_TRAP'
>flag cleared.
>Secondly, when a route is replaced and overwritten by another route, its
>flags are cleared.
>* Convert to new fib_alias_hw_flags_set() interface
>Signed-off-by: Ido Schimmel <>

Acked-by: Jiri Pirko <>

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