DPDK patches and discussions
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From: Tomasz Duszynski <tdu@semihalf.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>,
	Tomasz Duszynski <tdu@semihalf.com>,
	dev@dpdk.org, mw@semihalf.com, dima@marvell.com,
	nsamsono@marvell.com, Jianbo.liu@linaro.org,
	Jacek Siuda <jck@semihalf.com>
Subject: Re: [dpdk-dev] [PATCH v2 2/4] net/mrvl: add mrvl net pmd driver
Date: Tue, 3 Oct 2017 08:33:57 +0200	[thread overview]
Message-ID: <20171003063357.GB9598@tdu> (raw)
In-Reply-To: <20171002110839.GB1132@bricha3-MOBL3.ger.corp.intel.com>

On Mon, Oct 02, 2017 at 12:08:39PM +0100, Bruce Richardson wrote:
> On Fri, Sep 29, 2017 at 08:38:00AM -0700, Stephen Hemminger wrote:
> > On Thu, 28 Sep 2017 12:22:36 +0200
> > Tomasz Duszynski <tdu@semihalf.com> wrote:
> >
> > > +
> > > +struct mrvl_rxq;
> > > +struct mrvl_txq;
> >
> > These forward decl should not be nececessary
> > > +static inline int
> > > +mrvl_get_bpool_size(int	pp2_id, int pool_id)
> >  No tab here please
> >
> > Why does this need to be inlined?  Is it in critical path?
> >
> >
> > > +{
> > > +	int i;
> > > +	int size = 0;
> > > +
> > > +	for (i = mrvl_lcore_first; i <= mrvl_lcore_last; i++)
> > > +		size += mrvl_port_bpool_size[pp2_id][pool_id][i];
> > > +
> > > +	return size;
> > > +}
> > > +
> >
> > Also, I prefer that the following restrictions from the kernel be
> > also applied to DPDK code.
> >
>
> +1 for LINE_SPACING (multiple blank lines), MULTILINE_DEREFERENCE and
> SPLIT_STRING. [Is split string not already enforced?]
ACK
>
> I'm a bit ambivilant about forcing a blank line after definitions, I
> think it's a good idea in most cases, but I'm not sure it needs to be
> enforced in all cases.
Agree. In this case however adding a few extra blank lines after
definitions will not hurt, plus it will improve coding style consistency
across driver sources.
>
> /Bruce
>
> > ### [dpdk-dev] [PATCH v2 2/4] net/mrvl: add mrvl net pmd driver
> >
> > CHECK:LINE_SPACING: Please don't use multiple blank lines
> > #452: FILE: drivers/net/mrvl/mrvl_ethdev.c:180:
> > +
> > +
> >
> > WARNING:LINE_SPACING: Missing a blank line after declarations
> > #457: FILE: drivers/net/mrvl/mrvl_ethdev.c:185:
> > +	int n = sizeof(*bitmap) * 8 - __builtin_clz(*bitmap);
> > +	if (n >= max)
> >
> > CHECK:LINE_SPACING: Please don't use multiple blank lines
> > #562: FILE: drivers/net/mrvl/mrvl_ethdev.c:290:
> > +
> > +
> >
> > WARNING:MULTILINE_DEREFERENCE: Avoid multiple line dereference - prefer 'priv->ppio_params.inqs_params.tcs_params[i].inqs_params'
> > #880: FILE: drivers/net/mrvl/mrvl_ethdev.c:608:
> > +			rte_free(priv->ppio_params.inqs_params.
> > +				tcs_params[i].inqs_params);
> >
> > WARNING:MULTILINE_DEREFERENCE: Avoid multiple line dereference - prefer 'priv->ppio_params.inqs_params.tcs_params[i].inqs_params'
> > #882: FILE: drivers/net/mrvl/mrvl_ethdev.c:610:
> > +			priv->ppio_params.inqs_params.
> > +				tcs_params[i].inqs_params = NULL;
> >
> > WARNING:MULTILINE_DEREFERENCE: Avoid multiple line dereference - prefer 'priv->ppio_params.inqs_params.tcs_params[tc].inqs_params[inq].size'
> > #1330: FILE: drivers/net/mrvl/mrvl_ethdev.c:1058:
> > +	qinfo->nb_desc = priv->ppio_params.inqs_params.
> > +			 tcs_params[tc].inqs_params[inq].size;
> >
> > WARNING:SPLIT_STRING: quoted string split across lines
> > #1476: FILE: drivers/net/mrvl/mrvl_ethdev.c:1204:
> > +		RTE_LOG(ERR, PMD, "Mbuf size must be increased to %u bytes"
> > +				  " to hold up to %u bytes of data.\n",
> >
> > WARNING:MULTILINE_DEREFERENCE: Avoid multiple line dereference - prefer 'priv->ppio_params.inqs_params.tcs_params[priv->rxq_map[rxq->queue_id].tc'
> > #1500: FILE: drivers/net/mrvl/mrvl_ethdev.c:1228:
> > +	priv->ppio_params.inqs_params.
> > +		tcs_params[priv->rxq_map[rxq->queue_id].tc].
> >
> > WARNING:MULTILINE_DEREFERENCE: Avoid multiple line dereference - prefer 'q->priv->ppio_params.inqs_params.tcs_params[q->priv->rxq_map[q->queue_id].tc'
> > #1532: FILE: drivers/net/mrvl/mrvl_ethdev.c:1260:
> > +	num = q->priv->ppio_params.inqs_params.
> > +			tcs_params[q->priv->rxq_map[q->queue_id].tc].
> >
> > WARNING:SPLIT_STRING: quoted string split across lines
> > #1902: FILE: drivers/net/mrvl/mrvl_ethdev.c:1630:
> > +			RTE_LOG(DEBUG, PMD, "\nport-%d:%d: bpool %d oversize -"
> > +				" remove %d buffers (pool size: %d -> %d)\n",
> >
> > WARNING:SPLIT_STRING: quoted string split across lines
> > #2094: FILE: drivers/net/mrvl/mrvl_ethdev.c:1822:
> > +			"No room in shadow queue for %d packets!!!"
> > +			"%d packets will be sent.\n",
> >
> > CHECK:LINE_SPACING: Please don't use multiple blank lines
> > #2294: FILE: drivers/net/mrvl/mrvl_ethdev.c:2022:
> > +
> > +
> >
> > CHECK:LINE_SPACING: Please don't use multiple blank lines
> > #2595: FILE: drivers/net/mrvl/mrvl_ethdev.h:40:
> > +
> > +
> >
> > WARNING:LINE_SPACING: Missing a blank line after declarations
> > #3253: FILE: drivers/net/mrvl/mrvl_qos.c:577:
> > +			uint8_t idx = port_cfg->tc[tc].inq[i];
> > +			priv->rxq_map[idx].tc = tc;
> >

--
- Tomasz Duszyński

  reply	other threads:[~2017-10-03  6:33 UTC|newest]

Thread overview: 110+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-26  9:39 [dpdk-dev] [PATCH 0/8] add net/crypto mrvl pmd drivers Tomasz Duszynski
2017-09-26  9:39 ` [dpdk-dev] [PATCH 1/8] app: link the whole rte_cfgfile library Tomasz Duszynski
2017-09-26 14:31   ` Bruce Richardson
2017-09-27  7:36     ` Tomasz Duszynski
2017-09-27 12:01       ` Bruce Richardson
2017-09-26  9:39 ` [dpdk-dev] [PATCH 2/8] net/mrvl: add mrvl net pmd driver Tomasz Duszynski
2017-09-26  9:40 ` [dpdk-dev] [PATCH 3/8] doc: add mrvl net pmd documentation Tomasz Duszynski
2017-09-26  9:40 ` [dpdk-dev] [PATCH 4/8] maintainers: add maintainers for the mrvl net pmd Tomasz Duszynski
2017-09-26  9:40 ` [dpdk-dev] [PATCH 5/8] crypto/mrvl: add mrvl crypto pmd driver Tomasz Duszynski
2017-09-26  9:40 ` [dpdk-dev] [PATCH 6/8] doc: add mrvl crypto pmd documentation Tomasz Duszynski
2017-09-26  9:40 ` [dpdk-dev] [PATCH 7/8] maintainers: add maintainers for the mrvl crypto pmd Tomasz Duszynski
2017-09-26  9:40 ` [dpdk-dev] [PATCH 8/8] test: add mrvl crypto pmd unit tests Tomasz Duszynski
2017-09-27  9:40 ` [dpdk-dev] [PATCH 0/8] add net/crypto mrvl pmd drivers De Lara Guarch, Pablo
2017-09-27 10:59   ` Tomasz Duszynski
2017-09-28 10:22 ` [dpdk-dev] [PATCH v2 0/4] add net mrvl pmd driver Tomasz Duszynski
2017-09-28 10:22   ` [dpdk-dev] [PATCH v2 1/4] app: link the whole rte_cfgfile library Tomasz Duszynski
2017-10-03 11:51     ` [dpdk-dev] [PATCH v3 0/4] add net mrvl pmd driver Tomasz Duszynski
2017-10-03 11:51       ` [dpdk-dev] [PATCH v3 1/4] app: link the whole rte_cfgfile library Tomasz Duszynski
2017-10-03 11:51       ` [dpdk-dev] [PATCH v3 2/4] net/mrvl: add mrvl net pmd driver Tomasz Duszynski
2017-10-04  0:24         ` Ferruh Yigit
2017-10-04  8:59           ` Tomasz Duszynski
2017-10-04 16:59             ` Ferruh Yigit
2017-10-05  8:43               ` Tomasz Duszynski
2017-10-05 17:29                 ` Ferruh Yigit
2017-10-06  6:41                   ` Tomasz Duszynski
2017-10-10 21:25                 ` Thomas Monjalon
2017-10-04  0:28         ` Ferruh Yigit
2017-10-04 13:19           ` Tomasz Duszynski
2017-10-05 17:37             ` Ferruh Yigit
2017-10-03 11:51       ` [dpdk-dev] [PATCH v3 3/4] doc: add mrvl net pmd documentation Tomasz Duszynski
2017-10-04  0:29         ` Ferruh Yigit
2017-10-04  7:53           ` Tomasz Duszynski
2017-10-03 11:51       ` [dpdk-dev] [PATCH v3 4/4] maintainers: add maintainers for the mrvl net pmd Tomasz Duszynski
2017-10-09 15:00       ` [dpdk-dev] [PATCH v4 00/16] add net mrvl pmd driver Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 01/16] app: link the whole rte_cfgfile library Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 02/16] net/mrvl: add mrvl net pmd driver skeleton Tomasz Duszynski
2017-10-11 13:38           ` Thomas Monjalon
2017-10-12  6:51             ` Tomasz Duszynski
2017-10-12  7:59               ` Vincent JARDIN
2017-10-12 12:14                 ` Jacek Siuda
2017-10-12 13:57                   ` Vincent JARDIN
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 03/16] net/mrvl: add rx/tx support Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 04/16] net/mrvl: add link update Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 05/16] net/mrvl: add link speed capabilities Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 06/16] net/mrvl: add support for updating mtu Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 07/16] net/mrvl: add jumbo frame support Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 08/16] net/mrvl: add support for promiscuous and allmulticast modes Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 09/16] net/mrvl: add support for mac filtering Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 10/16] net/mrvl: add rss hashing support Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 11/16] net/mrvl: add support for vlan filtering Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 12/16] net/mrvl: add crc, l3 and l4 offloads support Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 13/16] net/mrvl: add packet type parsing support Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 14/16] net/mrvl: add basic stats support Tomasz Duszynski
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 15/16] maintainers: add maintainers for the mrvl net pmd Tomasz Duszynski
2017-10-09 19:02           ` Ferruh Yigit
2017-10-09 19:09             ` Marcin Wojtas
2017-10-09 19:12               ` Ferruh Yigit
2017-10-10  5:47             ` Tomasz Duszynski
2017-10-10  3:20           ` Jianbo Liu
2017-10-10  4:38             ` Ferruh Yigit
2017-10-09 15:00         ` [dpdk-dev] [PATCH v4 16/16] doc: add mrvl net pmd documentation Tomasz Duszynski
2017-10-09 20:54           ` Ferruh Yigit
2017-10-10  5:51             ` Tomasz Duszynski
2017-10-11 14:27           ` Thomas Monjalon
2017-10-12  2:01             ` Thomas Monjalon
2017-10-09 20:59         ` [dpdk-dev] [PATCH v4 00/16] add net mrvl pmd driver Ferruh Yigit
2017-10-10  0:25           ` Ferruh Yigit
2017-10-10  7:07             ` Tomasz Duszynski
2017-10-10  5:55           ` Tomasz Duszynski
2017-10-12  1:51           ` Ferruh Yigit
2017-10-12  2:37             ` [dpdk-dev] [PATCH] doc: add build steps to mrvl NIC guide Thomas Monjalon
2017-10-12  6:28               ` Tomasz Duszynski
2017-10-12  8:02                 ` Thomas Monjalon
2017-10-12  6:07             ` [dpdk-dev] [PATCH v4 00/16] add net mrvl pmd driver Tomasz Duszynski
2017-09-28 10:22   ` [dpdk-dev] [PATCH v2 2/4] net/mrvl: add mrvl net " Tomasz Duszynski
2017-09-29 15:38     ` Stephen Hemminger
2017-10-02 11:08       ` Bruce Richardson
2017-10-03  6:33         ` Tomasz Duszynski [this message]
2017-10-03  6:23       ` Tomasz Duszynski
2017-09-28 10:22   ` [dpdk-dev] [PATCH v2 3/4] doc: add mrvl net pmd documentation Tomasz Duszynski
2017-09-28 10:22   ` [dpdk-dev] [PATCH v2 4/4] maintainers: add maintainers for the mrvl net pmd Tomasz Duszynski
2017-09-28 11:06   ` [dpdk-dev] [PATCH v2 0/4] add net mrvl pmd driver Ferruh Yigit
2017-09-28 11:40     ` Amit Tomer
2017-09-28 12:01       ` Marcin Wojtas
2017-09-28 10:23 ` [dpdk-dev] [PATCH v2 0/4] add crypto " Tomasz Duszynski
2017-09-28 10:23   ` [dpdk-dev] [PATCH v2 1/4] crypto/mrvl: add mrvl crypto " Tomasz Duszynski
2017-10-05 15:01     ` De Lara Guarch, Pablo
2017-10-06  7:24       ` Tomasz Duszynski
2017-10-05 15:47     ` Bruce Richardson
2017-10-06  7:05       ` Tomasz Duszynski
2017-09-28 10:23   ` [dpdk-dev] [PATCH v2 2/4] doc: add mrvl crypto pmd documentation Tomasz Duszynski
2017-10-05 14:45     ` De Lara Guarch, Pablo
2017-10-06  8:06       ` Tomasz Duszynski
2017-09-28 10:23   ` [dpdk-dev] [PATCH v2 3/4] maintainers: add maintainers for the mrvl crypto pmd Tomasz Duszynski
2017-09-28 10:23   ` [dpdk-dev] [PATCH v2 4/4] test: add mrvl crypto pmd unit tests Tomasz Duszynski
2017-10-07 20:28   ` [dpdk-dev] [PATCH v3 0/4] add crypto mrvl pmd driver Tomasz Duszynski
2017-10-07 20:28     ` [dpdk-dev] [PATCH v3 1/4] crypto/mrvl: add mrvl crypto " Tomasz Duszynski
2017-10-10 10:16       ` De Lara Guarch, Pablo
2017-10-10 10:25         ` Tomasz Duszynski
2017-10-07 20:28     ` [dpdk-dev] [PATCH v3 2/4] doc: add mrvl crypto pmd documentation Tomasz Duszynski
2017-10-07 20:28     ` [dpdk-dev] [PATCH v3 3/4] maintainers: add maintainers for the mrvl crypto pmd Tomasz Duszynski
2017-10-07 20:28     ` [dpdk-dev] [PATCH v3 4/4] test: add mrvl crypto pmd unit tests Tomasz Duszynski
2017-10-10 10:44       ` De Lara Guarch, Pablo
2017-10-10 10:57         ` Tomasz Duszynski
2017-10-10 12:17     ` [dpdk-dev] [PATCH v4 0/4] add crypto mrvl pmd driver Tomasz Duszynski
2017-10-10 12:17       ` [dpdk-dev] [PATCH v4 1/4] crypto/mrvl: add mrvl crypto " Tomasz Duszynski
2017-10-10 12:17       ` [dpdk-dev] [PATCH v4 2/4] doc: add mrvl crypto pmd documentation Tomasz Duszynski
2017-10-10 12:17       ` [dpdk-dev] [PATCH v4 3/4] maintainers: add maintainers for the mrvl crypto pmd Tomasz Duszynski
2017-10-10 12:17       ` [dpdk-dev] [PATCH v4 4/4] test: add mrvl crypto pmd unit tests Tomasz Duszynski
2017-10-12 12:11       ` [dpdk-dev] [PATCH v4 0/4] add crypto mrvl pmd driver De Lara Guarch, Pablo

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