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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Jan Blunck <jblunck@infradead.org>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2 08/15] devargs: use existing functions in rte_eal_devargs_parse()
Date: Mon, 4 Sep 2017 17:24:23 +0100	[thread overview]
Message-ID: <0e436d4d-d9d7-cc53-12e3-c78e56626db9@intel.com> (raw)
In-Reply-To: <20170714211213.34436-9-jblunck@infradead.org>

On 7/14/2017 10:12 PM, Jan Blunck wrote:
> This fixes the newly introduces rte_eal_devargs_parse() to make use of:
> - snprintf() instead of open coding a while() loop
> - rte_eal_parse_devargs_str() instead of duplicating parsing code
> - RTE_LOG() instead of direct output to stderr
> 
> Signed-off-by: Jan Blunck <jblunck@infradead.org>
> ---
>  lib/librte_eal/common/eal_common_devargs.c | 57 +++++++++++++++---------------
>  1 file changed, 28 insertions(+), 29 deletions(-)
> 
> diff --git a/lib/librte_eal/common/eal_common_devargs.c b/lib/librte_eal/common/eal_common_devargs.c
> index 205fabb95..b5273287e 100644
> --- a/lib/librte_eal/common/eal_common_devargs.c
> +++ b/lib/librte_eal/common/eal_common_devargs.c
> @@ -87,54 +87,53 @@ int
>  rte_eal_devargs_parse(const char *dev, struct rte_devargs *da)

here "const char *dev" is devarg_str, it can be something like:
"00:01.0,somekey=somevalue,keymore=valuemore"

Calling this "dev" is confusing I think, since you are touching to the
function does it make sense to rename this?

>  {
>  	struct rte_bus *bus = NULL;
> -	const char *devname;
> -	const size_t maxlen = sizeof(da->name);
> -	size_t i;
> +	char *devname = NULL, *drvargs = NULL;
> +	int ret;
>  
>  	if (dev == NULL || da == NULL)
>  		return -EINVAL;
>  	/* Retrieve eventual bus info */
>  	do {
> -		devname = dev;
>  		bus = rte_bus_find(bus, bus_name_cmp, dev);
>  		if (bus == NULL)
>  			break;
> -		devname = dev + strlen(bus->name) + 1;
> -		if (rte_bus_find_by_device_name(devname) == bus)
> +		dev += strlen(bus->name) + 1;

This deserves a comment I believe, what is done here?

> +		if (rte_bus_find_by_device_name(dev) == bus)
>  			break;
>  	} while (1);

<...>

  reply	other threads:[~2017-09-04 16:24 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-11 23:24 [dpdk-dev] [PATCH 00/13] devargs fixes Jan Blunck
2017-07-11 23:25 ` [dpdk-dev] [PATCH 01/13] Revert "devargs: make device types generic" Jan Blunck
2017-07-11 23:25 ` [dpdk-dev] [PATCH 02/13] devargs: fix unittest Jan Blunck
2017-07-11 23:25 ` [dpdk-dev] [PATCH 03/13] devargs: deprecate enum rte_devtype based functions Jan Blunck
2017-08-07 23:02   ` Thomas Monjalon
2017-07-11 23:25 ` [dpdk-dev] [PATCH 04/13] pci: use scan_mode configuration Jan Blunck
2017-07-13 17:59   ` Gaëtan Rivet
2017-07-13 19:42     ` Jan Blunck
2017-07-13 20:48       ` Thomas Monjalon
2017-07-11 23:25 ` [dpdk-dev] [PATCH 05/13] bus: add configuration interface for buses Jan Blunck
2017-07-11 23:25 ` [dpdk-dev] [PATCH 06/13] devargs: use bus configuration interface to set scanning mode Jan Blunck
2017-07-11 23:25 ` [dpdk-dev] [PATCH 07/13] devargs: add busname string field Jan Blunck
2017-07-13 13:17   ` Gaëtan Rivet
2017-07-11 23:25 ` [dpdk-dev] [PATCH 08/13] devargs: use busname Jan Blunck
2017-07-11 23:25 ` [dpdk-dev] [PATCH 09/13] devargs: parse "bus=" argument Jan Blunck
2017-07-13 13:40   ` Gaëtan Rivet
2017-07-13 19:34     ` Jan Blunck
2017-07-11 23:25 ` [dpdk-dev] [PATCH 10/13] pci: use busname Jan Blunck
2017-07-11 23:25 ` [dpdk-dev] [PATCH 11/13] vdev: " Jan Blunck
2017-07-11 23:25 ` [dpdk-dev] [PATCH 12/13] devargs: remove type field Jan Blunck
2017-07-11 23:25 ` [dpdk-dev] [PATCH 13/13] devargs: remove bus field Jan Blunck
2017-07-12  7:29 ` [dpdk-dev] [PATCH 00/13] devargs fixes Thomas Monjalon
2017-07-12  8:09   ` Jan Blunck
2017-07-12  8:50     ` Thomas Monjalon
2017-07-12  9:25       ` Jan Blunck
2017-07-14 21:11 ` [dpdk-dev] [PATCH v2 00/15] " Jan Blunck
2017-07-14 21:11   ` [dpdk-dev] [PATCH v2 01/15] Revert "devargs: make device types generic" Jan Blunck
2017-09-04 16:05     ` Ferruh Yigit
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 02/15] devargs: fix unittest Jan Blunck
2017-09-04 16:05     ` Ferruh Yigit
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 03/15] devargs: extend unittest Jan Blunck
2017-09-04 16:05     ` Ferruh Yigit
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 04/15] devargs: deprecate enum rte_devtype based functions Jan Blunck
2017-09-04 16:06     ` Ferruh Yigit
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 05/15] pci: use scan_mode configuration Jan Blunck
2017-09-04 16:22     ` Ferruh Yigit
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 06/15] bus: add configuration interface for buses Jan Blunck
2017-09-04 16:23     ` Ferruh Yigit
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 07/15] devargs: use bus configuration interface to set scanning mode Jan Blunck
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 08/15] devargs: use existing functions in rte_eal_devargs_parse() Jan Blunck
2017-09-04 16:24     ` Ferruh Yigit [this message]
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 09/15] devargs: add busname string field Jan Blunck
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 10/15] devargs: use busname Jan Blunck
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 11/15] pci: " Jan Blunck
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 12/15] vdev: " Jan Blunck
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 13/15] devargs: pass busname argument when parsing Jan Blunck
2017-07-15 14:48     ` Gaëtan Rivet
2017-09-04 16:28       ` Ferruh Yigit
2017-09-04 16:28     ` Ferruh Yigit
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 14/15] devargs: remove type field Jan Blunck
2017-09-04 16:29     ` Ferruh Yigit
2017-07-14 21:12   ` [dpdk-dev] [PATCH v2 15/15] devargs: remove bus field Jan Blunck
2017-07-15 18:20   ` [dpdk-dev] [PATCH v2 00/15] devargs fixes Thomas Monjalon
2017-09-04 16:04   ` Ferruh Yigit
2017-09-05  8:20     ` Gaëtan Rivet

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