From: Simon Horman <simon.horman@corigine•com>
To: Jamal Hadi Salim <jhs@mojatatu•com>
Cc: David Miller <davem@davemloft•net>,
Jakub Kicinski <kuba@kernel•org>,
Cong Wang <xiyou.wangcong@gmail•com>,
Jiri Pirko <jiri@mellanox•com>,
netdev@vger•kernel.org, oss-drivers@corigine•com,
Baowen Zheng <baowen.zheng@corigine•com>,
Louis Peens <louis.peens@corigine•com>
Subject: Re: [PATCH net-next 1/3] flow_offload: allow user to offload tc action to net device
Date: Tue, 3 Aug 2021 13:31:00 +0200 [thread overview]
Message-ID: <20210803113057.GA23765@corigine.com> (raw)
In-Reply-To: <5e1689de-0448-e4a7-9714-86189549ea69@mojatatu.com>
On Tue, Aug 03, 2021 at 07:05:52AM -0400, Jamal Hadi Salim wrote:
> On 2021-07-22 5:19 a.m., Simon Horman wrote:
>
> Triggered by my observation on 2/3 went back and looked at this again to
> see if we have same problem with notification on REPLACE case (I think
> we do) but here's another comment:
>
> > +EXPORT_SYMBOL(tcf_action_offload_cmd);
> > +
> > /* Returns numbers of initialized actions or negative error. */
> > int tcf_action_init(struct net *net, struct tcf_proto *tp, struct nlattr *nla,
> > @@ -1514,6 +1544,9 @@ static int tcf_action_add(struct net *net, struct nlattr *nla,
> > return ret;
> > ret = tcf_add_notify(net, n, actions, portid, attr_size, extack);
> > + /* offload actions to hardware if possible */
> > + tcf_action_offload_cmd(actions, extack);
> > +
>
> Above seems to be unconditional whether hw update is requested or not?
> The comment says the right thing ("if possible") but the code
> should have checked some sort of skip_sw check?
Jamal, we are going around in circles.
As we have already discussed, this patchset does not add support for
skip_sw (or skip_hw) for actions.
next prev parent reply other threads:[~2021-08-03 11:31 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-22 9:19 [PATCH net-next 0/3] flow_offload: hardware offload of TC actions Simon Horman
2021-07-22 9:19 ` [PATCH net-next 1/3] flow_offload: allow user to offload tc action to net device Simon Horman
2021-07-22 12:24 ` Roi Dayan
2021-07-22 13:19 ` Simon Horman
2021-07-22 13:29 ` Vlad Buslov
2021-07-22 13:33 ` Jamal Hadi Salim
2021-07-27 13:04 ` Simon Horman
2021-07-27 14:38 ` Vlad Buslov
2021-07-27 16:13 ` Jamal Hadi Salim
2021-07-27 16:47 ` Vlad Buslov
2021-07-28 7:46 ` Simon Horman
2021-07-28 8:05 ` Vlad Buslov
2021-07-28 13:51 ` Jamal Hadi Salim
2021-07-28 14:46 ` Simon Horman
2021-07-30 10:17 ` Jamal Hadi Salim
2021-07-30 11:40 ` Vlad Buslov
2021-08-03 9:57 ` Jamal Hadi Salim
2021-08-03 12:02 ` tc offload debug-ability Jamal Hadi Salim
2021-08-03 12:14 ` Vlad Buslov
2021-08-03 12:50 ` Jamal Hadi Salim
2021-08-03 13:34 ` Ido Schimmel
2021-07-30 13:20 ` [PATCH net-next 1/3] flow_offload: allow user to offload tc action to net device Simon Horman
2021-08-03 10:14 ` Jamal Hadi Salim
2021-08-03 11:36 ` Simon Horman
2021-08-03 11:45 ` Jamal Hadi Salim
2021-08-03 12:31 ` Simon Horman
2021-08-03 13:01 ` Jamal Hadi Salim
2021-08-03 14:46 ` Simon Horman
2021-07-22 13:57 ` kernel test robot
2021-07-22 15:31 ` kernel test robot
2021-08-03 10:50 ` Jamal Hadi Salim
2021-08-03 11:05 ` Jamal Hadi Salim
2021-08-03 11:31 ` Simon Horman [this message]
2021-07-22 9:19 ` [PATCH net-next 2/3] flow_offload: add process to delete offloaded actions from " Simon Horman
2021-07-22 14:25 ` Vlad Buslov
2021-07-22 14:50 ` kernel test robot
2021-07-22 17:07 ` kernel test robot
2021-08-03 10:59 ` Jamal Hadi Salim
2021-07-22 9:19 ` [PATCH net-next 3/3] flow_offload: add process to update action stats from hardware Simon Horman
2021-07-22 14:55 ` Vlad Buslov
2021-08-03 11:24 ` Jamal Hadi Salim
2021-08-03 11:35 ` Simon Horman
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