From: David Ahern <dsahern@gmail.com>
To: Ido Schimmel <idosch@idosch.org>, roopa@cumulusnetworks.com
Cc: Jiri Pirko <jiri@resnulli.us>, netdev <netdev@vger.kernel.org>,
David Miller <davem@davemloft.net>,
Jiri Pirko <jiri@mellanox.com>,
Jakub Kicinski <jakub.kicinski@netronome.com>,
Saeed Mahameed <saeedm@mellanox.com>, mlxsw <mlxsw@mellanox.com>,
Ido Schimmel <idosch@mellanox.com>
Subject: Re: [RFC PATCH net-next 12/15] ipv4: Add "in hardware" indication to routes
Date: Fri, 4 Oct 2019 10:38:03 -0600 [thread overview]
Message-ID: <0ba448e3-3c27-d440-ee16-55f778b57bb1@gmail.com> (raw)
In-Reply-To: <20191004144340.GA15825@splinter>
On 10/4/19 8:43 AM, Ido Schimmel wrote:
>> Sounds like there are 2 cases for prefixes that should be flagged to the
>> user -- "offloaded" (as in traffic is offloaded) and "in_hw" (prefix is
>> in hardware but forwarding is not offloaded).
> Sounds good. Are you and Roopa OK with the below?
>
> RTM_F_IN_HW - route is in hardware
> RTM_F_OFFLOAD - route is offloaded
>
> For example, host routes will have the first flag set, whereas prefix
> routes will have both flags set.
if "offload" always includes "in_hw", then are both needed? ie., why not
document that offload means in hardware with offloaded traffic, and then
"in_hw" is a lesser meaning - only in hardware with a trap to CPU?
>
> Together with the existing offload flags for nexthops and neighbours
> this provides great visibility into the entire offload process.
next prev parent reply other threads:[~2019-10-04 16:38 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-02 8:40 [RFC PATCH net-next 00/15] Simplify IPv4 route offload API Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 01/15] ipv4: Add temporary events to the FIB notification chain Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 02/15] ipv4: Notify route after insertion to the routing table Ido Schimmel
2019-10-03 1:34 ` David Ahern
2019-10-03 5:16 ` Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 03/15] ipv4: Notify route if replacing currently offloaded one Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 04/15] ipv4: Notify newly added route if should be offloaded Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 05/15] ipv4: Handle route deletion notification Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 06/15] ipv4: Handle route deletion notification during flush Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 07/15] ipv4: Only Replay routes of interest to new listeners Ido Schimmel
2019-10-02 17:44 ` Jiri Pirko
2019-10-03 13:04 ` Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 08/15] mlxsw: spectrum_router: Start using new IPv4 route notifications Ido Schimmel
2019-10-02 17:52 ` Jiri Pirko
2019-10-02 18:01 ` Jiri Pirko
2019-10-03 15:10 ` Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 09/15] ipv4: Remove old route notifications and convert listeners Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 10/15] ipv4: Replace route in list before notifying Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 11/15] ipv4: Encapsulate function arguments in a struct Ido Schimmel
2019-10-02 8:41 ` [RFC PATCH net-next 12/15] ipv4: Add "in hardware" indication to routes Ido Schimmel
2019-10-02 15:58 ` Roopa Prabhu
2019-10-02 18:21 ` Jiri Pirko
2019-10-03 2:34 ` David Ahern
2019-10-03 5:37 ` Ido Schimmel
2019-10-04 1:55 ` David Ahern
2019-10-04 14:43 ` Ido Schimmel
2019-10-04 16:38 ` David Ahern [this message]
2019-10-04 17:43 ` Roopa Prabhu
2019-10-04 23:20 ` David Ahern
2019-10-03 5:40 ` Jiri Pirko
2019-10-03 12:59 ` Ido Schimmel
2019-10-04 4:25 ` Roopa Prabhu
2019-10-02 8:41 ` [RFC PATCH net-next 13/15] mlxsw: spectrum_router: Mark routes as "in hardware" Ido Schimmel
2019-10-02 18:27 ` Jiri Pirko
2019-10-03 15:16 ` Ido Schimmel
2019-10-02 8:41 ` [RFC PATCH net-next 14/15] netdevsim: fib: " Ido Schimmel
2019-10-02 8:41 ` [RFC PATCH net-next 15/15] selftests: netdevsim: Add test for route offload API Ido Schimmel
2019-10-02 18:17 ` [RFC PATCH net-next 00/15] Simplify IPv4 " Jiri Pirko
2019-10-03 5:18 ` Ido Schimmel
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