DPDK patches and discussions
 help / color / mirror / Atom feed
From: Ferruh Yigit <ferruh.yigit@intel.com>
To: "David Harton (dharton)" <dharton@cisco.com>,
	"konstantin.ananyev@intel.com" <konstantin.ananyev@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, Wenzhuo Lu <wenzhuo.lu@intel.com>
Subject: Re: [dpdk-dev] [PATCH] ixgbe: eliminate duplicate filterlist symbols
Date: Tue, 29 Aug 2017 17:23:23 +0100	[thread overview]
Message-ID: <8331235b-cd7a-f9c5-1b18-9ad9da8e87a4@intel.com> (raw)
In-Reply-To: <190f7c009bca4a10af244f7aa1ee1385@XCH-RCD-016.cisco.com>

On 8/28/2017 6:13 PM, David Harton (dharton) wrote:
> 
> 
>> -----Original Message-----
>> From: Ferruh Yigit [mailto:ferruh.yigit@intel.com]
>> Sent: Monday, August 28, 2017 9:27 AM
>> To: David Harton (dharton) <dharton@cisco.com>;
>> konstantin.ananyev@intel.com
>> Cc: dev@dpdk.org
>> Subject: Re: [dpdk-dev] [PATCH] ixgbe: eliminate duplicate filterlist
>> symbols
>>
>> On 8/25/2017 8:21 PM, David Harton wrote:
>>> Some compilers generate warnings for duplicate symbols for the set of
>>> filter lists current defined in ixgbe_ethdev.h.
>>> This commits moves the defintion and declaration to the source file
>>> that actually uses them and provides a function to initialize the
>>> values akin to its flush function.
>>>
>>> Signed-off-by: David Harton <dharton@cisco.com>
>>> ---
>>>  drivers/net/ixgbe/ixgbe_ethdev.c |  8 ++------
>>> drivers/net/ixgbe/ixgbe_ethdev.h |  7 +------
>>>  drivers/net/ixgbe/ixgbe_flow.c   | 18 ++++++++++++++++++
>>>  3 files changed, 21 insertions(+), 12 deletions(-)
>>>
>>> diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
>>> b/drivers/net/ixgbe/ixgbe_ethdev.c
>>> index 1ec5aaf..ed21af5 100644
>>> --- a/drivers/net/ixgbe/ixgbe_ethdev.c
>>> +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
>>> @@ -1332,12 +1332,8 @@ struct rte_ixgbe_xstats_name_off {
>>>  	/* initialize l2 tunnel filter list & hash */
>>>  	ixgbe_l2_tn_filter_init(eth_dev);
>>>
>>> -	TAILQ_INIT(&filter_ntuple_list);
>>> -	TAILQ_INIT(&filter_ethertype_list);
>>> -	TAILQ_INIT(&filter_syn_list);
>>> -	TAILQ_INIT(&filter_fdir_list);
>>> -	TAILQ_INIT(&filter_l2_tunnel_list);
>>> -	TAILQ_INIT(&ixgbe_flow_list);
>>> +	/* initialize flow filter lists */
>>> +	ixgbe_filterlist_init();
>>
>> Will it work if list initialization converted to the static
>> initialization? That would remove requirement of this function call.
> 
> I was trying to keep the behavior the same:
>   .probe -> eth_ixgbe_dev_init -> ixgbe_filterlist_init
>   .remove -> eth_ixgbe_dev_uninit -> ixgbe_filterlist_flush
> 
> While I think the below would work I always like mirror/parallel relationships like ctor/dtor for objects.

I would agree if ixgbe_filterlist_init() initializes something more than
list itself, but for this case initialization can be avoided completely
which I would prefer.

Driver maintainer also cc'ed for more comment.

> 
> Is that reasonable?
> 
> Thanks,
> Dave
> 
>>
>> something like:
>>
>> diff --git a/drivers/net/ixgbe/ixgbe_flow.c
>> b/drivers/net/ixgbe/ixgbe_flow.c index c8645f056..6184eb4af 100644
>> --- a/drivers/net/ixgbe/ixgbe_flow.c
>> +++ b/drivers/net/ixgbe/ixgbe_flow.c
>> @@ -79,6 +79,24 @@
>>  #define IXGBE_MAX_N_TUPLE_PRIO 7
>>  #define IXGBE_MAX_FLX_SOURCE_OFF 62
>>
>> +static TAILQ_HEAD(ixgbe_ntuple_filter_list, ixgbe_ntuple_filter_ele)
>> +       filter_ntuple_list = TAILQ_HEAD_INITIALIZER(filter_ntuple_list);
>> +
>> +static TAILQ_HEAD(ixgbe_ethertype_filter_list,
>> ixgbe_ethertype_filter_ele)
>> +       filter_ethertype_list =
>> TAILQ_HEAD_INITIALIZER(filter_ethertype_list);
>> +
>> +static TAILQ_HEAD(ixgbe_syn_filter_list, ixgbe_eth_syn_filter_ele)
>> +       filter_syn_list = TAILQ_HEAD_INITIALIZER(filter_syn_list);
>> +
>> +static TAILQ_HEAD(ixgbe_fdir_rule_filter_list, ixgbe_fdir_rule_ele)
>> +       filter_fdir_list = TAILQ_HEAD_INITIALIZER(filter_fdir_list);
>> +
>> +static TAILQ_HEAD(ixgbe_l2_tunnel_filter_list,
>> ixgbe_eth_l2_tunnel_conf_ele)
>> +       filter_l2_tunnel_list =
>> TAILQ_HEAD_INITIALIZER(filter_l2_tunnel_list);
>> +
>> +static TAILQ_HEAD(ixgbe_flow_mem_list, ixgbe_flow_mem)
>> +       ixgbe_flow_list = TAILQ_HEAD_INITIALIZER(ixgbe_flow_list);
>> +

  reply	other threads:[~2017-08-29 16:23 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-25 19:21 David Harton
2017-08-28 13:26 ` Ferruh Yigit
2017-08-28 17:13   ` David Harton (dharton)
2017-08-29 16:23     ` Ferruh Yigit [this message]
2017-09-14 10:10       ` Ferruh Yigit
2017-09-14 11:40         ` David Harton (dharton)
2017-09-08 12:11   ` David Harton (dharton)
2017-09-14 12:42 ` [dpdk-dev] [PATCH v2] " David C Harton
2017-09-14 12:50   ` [dpdk-dev] [PATCH v3] " David C Harton
2017-09-14 13:38     ` Ferruh Yigit
2017-09-18 13:13       ` Radu Nicolau
2017-09-18 19:22         ` Ferruh Yigit

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=8331235b-cd7a-f9c5-1b18-9ad9da8e87a4@intel.com \
    --to=ferruh.yigit@intel.com \
    --cc=dev@dpdk.org \
    --cc=dharton@cisco.com \
    --cc=konstantin.ananyev@intel.com \
    --cc=wenzhuo.lu@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).