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From: Simon Horman <simon.horman@corigine•com>
To: Edward Cree <ecree.xilinx@gmail•com>
Cc: edward.cree@amd•com, linux-net-drivers@amd•com,
	davem@davemloft•net, kuba@kernel•org, pabeni@redhat•com,
	edumazet@google•com, netdev@vger•kernel.org,
	habetsm.xilinx@gmail•com, michal.swiatkowski@linux•intel.com
Subject: Re: [PATCH net-next v2 4/6] sfc: add functions to insert encap matches into the MAE
Date: Mon, 27 Mar 2023 10:48:10 +0200	[thread overview]
Message-ID: <ZCFYSpw5mOj2pJIB@corigine.com> (raw)
In-Reply-To: <66d1c67b-ecda-69a5-a8be-feddeee4a5d0@gmail.com>

On Mon, Mar 27, 2023 at 09:28:57AM +0100, Edward Cree wrote:
> On 25/03/2023 12:04, Simon Horman wrote:
> > On Thu, Mar 23, 2023 at 08:45:12PM +0000, edward.cree@amd•com wrote:
> >> diff --git a/drivers/net/ethernet/sfc/tc.h b/drivers/net/ethernet/sfc/tc.h
> >> index c1485679507c..19782c9a4354 100644
> >> --- a/drivers/net/ethernet/sfc/tc.h
> >> +++ b/drivers/net/ethernet/sfc/tc.h
> >> @@ -70,6 +70,7 @@ struct efx_tc_encap_match {
> >>  	__be32 src_ip, dst_ip;
> >>  	struct in6_addr src_ip6, dst_ip6;
> >>  	__be16 udp_dport;
> >> +	u16 tun_type; /* enum efx_encap_type */
> > 
> > nit: maybe the type of tyn_type can be enum efx_encap_type.
> 
> Yeah, it probably should.  Looking at my git history I think the
>  initial reason was for struct-packing reasons (enums are int-sized
>  at minimum, which is excessive for a field whose largest value is
>  3), but with the rhash_head that later appears between these two
>  fields, using the narrower type doesn't actually avoid a 16-bit
>  hole like it appears to here.
> Will change in v3.

Thanks.

  reply	other threads:[~2023-03-27  8:53 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-23 20:45 [PATCH net-next v2 0/6] sfc: support TC decap rules edward.cree
2023-03-23 20:45 ` [PATCH net-next v2 1/6] sfc: document TC-to-EF100-MAE action translation concepts edward.cree
2023-03-25 12:05   ` Simon Horman
2023-03-23 20:45 ` [PATCH net-next v2 2/6] sfc: add notion of match on enc keys to MAE machinery edward.cree
2023-03-25 12:03   ` Simon Horman
2023-03-27  8:20     ` Edward Cree
2023-03-27  8:47       ` Simon Horman
2023-03-23 20:45 ` [PATCH net-next v2 3/6] sfc: handle enc keys in efx_tc_flower_parse_match() edward.cree
2023-03-25 12:07   ` Simon Horman
2023-03-23 20:45 ` [PATCH net-next v2 4/6] sfc: add functions to insert encap matches into the MAE edward.cree
2023-03-25 12:04   ` Simon Horman
2023-03-27  8:28     ` Edward Cree
2023-03-27  8:48       ` Simon Horman [this message]
2023-03-23 20:45 ` [PATCH net-next v2 5/6] sfc: add code to register and unregister encap matches edward.cree
2023-03-24  5:05   ` Jakub Kicinski
2023-03-24  9:10     ` Martin Habets
2023-03-24 18:37       ` Edward Cree
2023-03-24 17:16   ` kernel test robot
2023-03-26  9:18   ` Simon Horman
2023-03-23 20:45 ` [PATCH net-next v2 6/6] sfc: add offloading of 'foreign' TC (decap) rules edward.cree
2023-03-26  9:15   ` Simon Horman

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