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From: Jiri Pirko <jiri-rHqAuBHg3fBzbRFIqnYvSA@public•gmane.org>
To: Florian Fainelli <f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public•gmane.org>
Cc: ryazanov.s.a-Re5JQEeQqe8AvxtiuMwx3w@public•gmane.org,
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	davem-fT/PcQaiUtIeIZ0/mPfg9Q@public•gmane.org
Subject: Re: [patch net-next 07/13] dsa: implement ndo_swdev_get_id
Date: Thu, 4 Sep 2014 14:47:01 +0200	[thread overview]
Message-ID: <20140904124701.GH1867@nanopsycho.lan> (raw)
In-Reply-To: <5407A25A.8050401-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Thu, Sep 04, 2014 at 01:20:58AM CEST, f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public•gmane.org wrote:
>On 09/03/2014 02:24 AM, Jiri Pirko wrote:
>> Signed-off-by: Jiri Pirko <jiri-rHqAuBHg3fBzbRFIqnYvSA@public•gmane.org>
>> ---
>>  include/linux/netdevice.h |  3 ++-
>>  include/net/dsa.h         |  1 +
>>  net/dsa/Kconfig           |  2 +-
>>  net/dsa/dsa.c             |  3 +++
>>  net/dsa/slave.c           | 10 ++++++++++
>>  5 files changed, 17 insertions(+), 2 deletions(-)
>> 
>> diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
>> index 6a009d1..7ee070f 100644
>> --- a/include/linux/netdevice.h
>> +++ b/include/linux/netdevice.h
>> @@ -41,7 +41,6 @@
>>  
>>  #include <linux/ethtool.h>
>>  #include <net/net_namespace.h>
>> -#include <net/dsa.h>
>>  #ifdef CONFIG_DCB
>>  #include <net/dcbnl.h>
>>  #endif
>> @@ -1259,6 +1258,8 @@ enum netdev_priv_flags {
>>  #define IFF_LIVE_ADDR_CHANGE		IFF_LIVE_ADDR_CHANGE
>>  #define IFF_MACVLAN			IFF_MACVLAN
>>  
>> +#include <net/dsa.h>
>> +
>>  /**
>>   *	struct net_device - The DEVICE structure.
>>   *		Actually, this whole structure is a big mistake.  It mixes I/O
>> diff --git a/include/net/dsa.h b/include/net/dsa.h
>> index 9771292..d60cd42 100644
>> --- a/include/net/dsa.h
>> +++ b/include/net/dsa.h
>> @@ -140,6 +140,7 @@ struct dsa_switch {
>>  	u32			phys_mii_mask;
>>  	struct mii_bus		*slave_mii_bus;
>>  	struct net_device	*ports[DSA_MAX_PORTS];
>> +	struct netdev_phys_item_id psid;
>>  };
>>  
>>  static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p)
>> diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig
>> index a585fd6..4e144a2 100644
>> --- a/net/dsa/Kconfig
>> +++ b/net/dsa/Kconfig
>> @@ -1,6 +1,6 @@
>>  config HAVE_NET_DSA
>>  	def_bool y
>> -	depends on NETDEVICES && !S390
>> +	depends on NETDEVICES && NET_SWITCHDEV && !S390
>
>It does not look like this is necessary, we are only using definitions
>from net/dsa.h and include/linux/netdevice.h, and if it was, a 'select'
>would be more appropriate here I think.
>
>TBH, I think we should rather drop this patch for now, I do not see any
>benefit in providing a random id over no-id at all.

Well, the benefit is that you are still able to see which ports belong
to the same switch.

  parent reply	other threads:[~2014-09-04 12:47 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-03  9:24 [patch net-next 00/13] introduce rocker switch driver with openvswitch hardware accelerated datapath Jiri Pirko
2014-09-03  9:24 ` [patch net-next 01/13] openvswitch: split flow structures into ovs specific and generic ones Jiri Pirko
     [not found]   ` <1409736300-12303-2-git-send-email-jiri-rHqAuBHg3fBzbRFIqnYvSA@public.gmane.org>
2014-09-03 15:20     ` John Fastabend
     [not found]       ` <540731B9.4010603-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-03 18:42         ` Pravin Shelar
     [not found]           ` <CALnjE+rk26Om1O5_Q=8tn7eAyh4Ywen-1+UD_nCVj_geZY1HuQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-04 12:25             ` Jiri Pirko
2014-09-04 12:09         ` Jiri Pirko
2014-09-03 21:11       ` Jamal Hadi Salim
2014-09-03 18:41   ` Pravin Shelar
2014-09-03 21:22     ` Jamal Hadi Salim
     [not found]       ` <54078694.5040104-jkUAjuhPggJWk0Htik3J/w@public.gmane.org>
2014-09-03 21:59         ` Pravin Shelar
     [not found]           ` <CALnjE+qUqSK7kHSi5BZuA0hzFjMcZ8TCTd9JRG1PPmMfDmAQOA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-04  1:54             ` Jamal Hadi Salim
     [not found]     ` <CALnjE+pscRmfhaWgkWCunJfjvG04RiNUAj6nefSFHrknQTC+xw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-09-04 12:33       ` Jiri Pirko
     [not found]         ` <20140904123323.GF1867-6KJVSR23iU5sFDB2n11ItA@public.gmane.org>
2014-09-04 20:46           ` Pravin Shelar
2014-09-17  8:34             ` Jiri Pirko
2014-09-17 22:07               ` Jesse Gross
2014-09-03  9:24 ` [patch net-next 02/13] net: rename netdev_phys_port_id to more generic name Jiri Pirko
     [not found] ` <1409736300-12303-1-git-send-email-jiri-rHqAuBHg3fBzbRFIqnYvSA@public.gmane.org>
2014-09-03  9:24   ` [patch net-next 03/13] net: introduce generic switch devices support Jiri Pirko
     [not found]     ` <1409736300-12303-4-git-send-email-jiri-rHqAuBHg3fBzbRFIqnYvSA@public.gmane.org>
2014-09-03 15:46       ` John Fastabend
     [not found]         ` <540737CF.4000402-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-04 12:46           ` Jiri Pirko
2014-09-03  9:24   ` [patch net-next 04/13] rtnl: expose physical switch id for particular device Jiri Pirko
2014-09-03  9:24   ` [patch net-next 05/13] net-sysfs: " Jiri Pirko
2014-09-03  9:24   ` [patch net-next 06/13] net: introduce dummy switch Jiri Pirko
2014-09-03  9:24   ` [patch net-next 07/13] dsa: implement ndo_swdev_get_id Jiri Pirko
     [not found]     ` <1409736300-12303-8-git-send-email-jiri-rHqAuBHg3fBzbRFIqnYvSA@public.gmane.org>
2014-09-03 23:20       ` Florian Fainelli
     [not found]         ` <5407A25A.8050401-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-04 12:47           ` Jiri Pirko [this message]
     [not found]             ` <20140904124701.GH1867-6KJVSR23iU5sFDB2n11ItA@public.gmane.org>
2014-09-05  4:43               ` Felix Fietkau
2014-09-05  5:52                 ` Jiri Pirko
2014-09-03  9:24   ` [patch net-next 10/13] openvswitch: add support for datapath hardware offload Jiri Pirko
     [not found]     ` <1409736300-12303-11-git-send-email-jiri-rHqAuBHg3fBzbRFIqnYvSA@public.gmane.org>
2014-09-03 16:37       ` John Fastabend
     [not found]         ` <540743B4.9080500-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-09-04 12:48           ` Jiri Pirko
     [not found]             ` <20140904124837.GI1867-6KJVSR23iU5sFDB2n11ItA@public.gmane.org>
2014-09-05  3:59               ` Simon Horman
2014-09-03  9:24   ` [patch net-next 11/13] sw_flow: add misc section to key with in_port_ifindex field Jiri Pirko
2014-09-03  9:24   ` [patch net-next 12/13] rocker: introduce rocker switch driver Jiri Pirko
2014-09-03  9:24 ` [patch net-next 08/13] net: introduce netdev_phys_item_ids_match helper Jiri Pirko
2014-09-03  9:24 ` [patch net-next 09/13] openvswitch: introduce vport_op get_netdev Jiri Pirko
2014-09-03  9:25 ` [patch net-next 13/13] switchdev: introduce Netlink API Jiri Pirko
2014-09-08 13:54 ` [patch net-next 00/13] introduce rocker switch driver with openvswitch hardware accelerated datapath Thomas Graf
2014-09-09 21:09   ` Alexei Starovoitov
2014-09-15 12:43     ` Thomas Graf
2014-09-16 15:58   ` Jiri Pirko
     [not found]     ` <20140916155832.GA1869-6KJVSR23iU488b5SBfVpbw@public.gmane.org>
2015-06-29  5:44       ` Neelakantam Gaddam
     [not found]         ` <CAOv37=BNU1-+kgTR6RUqxw7snJL6=5g-rLYhuPc1F-V0B1k7tA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-29  5:46           ` Jiri Pirko

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