Messages in this thread | | | Date | Thu, 8 Oct 2015 10:11:56 -0400 | From | Vivien Didelot <> | Subject | Re: [PATCH net-next 0/6] net: dsa: push switchdev prepare phase in FDB ops |
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Hi Jiri, David,
On Oct. Thursday 08 (41) 03:47 PM, Jiri Pirko wrote: > Thu, Oct 08, 2015 at 03:32:51PM CEST, vivien.didelot@savoirfairelinux.com wrote: > >Hi David, > > > >On Oct. Thursday 08 (41) 05:28 AM, David Miller wrote: > >> From: Vivien Didelot <vivien.didelot@savoirfairelinux.com> > >> Date: Wed, 7 Oct 2015 19:48:25 -0400 > >> > >> > The first 3 patches removes the dsa.h include from linux/netdevice.h, which > >> > broke the inclusion of switchdev.h in dsa.h. > >> > >> I still don't agree with bloating up struct netdevice just to deal with > >> an include file ordering issue, sorry. > > > >Yes, I just saw your reply on the first version. I will resend the > >patchset with the forward declarations instead. > > > >But looking at the issue that Jiri and the kbuild bot pointed out > >earlier in the thread, we must agree that having the DSA header in > >netdevice.h is wrong. > > > >There are 2 points to note here: > > > >* checking a "rcv" member of a DSA-specific structure to anwser the > > question "does this interface uses hardware-inserted tag?" is not > > generic and not robust at all. > > > >* the "dsa_ptr" of net_device is just used to access the dsa_switch_tree > > from DSA packet_type receive functions. There must be another way to > > pass it, maybe from a netdev_priv or the packet_type->af_packet_priv? > > I sent previously patch for this: > http://patchwork.ozlabs.org/patch/336940/ > So now my patch would have another user :)
Your patch makes sense. It will reduce the bloating of net_device that David is talking about. I would also suspect that other <protocol>_ptr members of the structure are only used in the context of packet_type.
> Vivien, I will refresh the patch and send it to you, the you can > use the priv by dsa and send my patch along with your patchset. How does > that sound?
Sure, sounds good.
Thanks, -v
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