From: "Gaëtan Rivet" <gaetan.rivet@6wind.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v4 01/10] devargs: introduce iterator
Date: Tue, 24 Apr 2018 12:22:08 +0200 [thread overview]
Message-ID: <20180424102208.pleu6haxnvn2hbvq@bidouze.vm.6wind.com> (raw)
In-Reply-To: <20180423165417.554d0ee0@xeon-e3>
On Mon, Apr 23, 2018 at 04:54:17PM -0700, Stephen Hemminger wrote:
> On Tue, 24 Apr 2018 00:41:01 +0200
> Gaetan Rivet <gaetan.rivet@6wind.com> wrote:
>
> > In preparation to making devargs_list private.
> >
> > Bus drivers generally need to access rte_devargs pertaining to their
> > operations. This match is a common operation for bus drivers.
> >
> > Add a new accessor for the rte_devargs list.
> >
> > Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
> > ---
> > lib/librte_eal/common/eal_common_devargs.c | 20 ++++++++++++++++++++
> > lib/librte_eal/common/include/rte_devargs.h | 20 ++++++++++++++++++++
> > lib/librte_eal/rte_eal_version.map | 1 +
> > 3 files changed, 41 insertions(+)
> >
> > diff --git a/lib/librte_eal/common/eal_common_devargs.c b/lib/librte_eal/common/eal_common_devargs.c
> > index 810b3e18f..c6c5eabcf 100644
> > --- a/lib/librte_eal/common/eal_common_devargs.c
> > +++ b/lib/librte_eal/common/eal_common_devargs.c
> > @@ -207,3 +207,23 @@ rte_eal_devargs_dump(FILE *f)
> > devargs->name, devargs->args);
> > }
> > }
> > +
> > +/* bus-aware rte_devargs iterator. */
> > +__rte_experimental
> > +struct rte_devargs *
> > +rte_eal_devargs_next(const char *busname, const struct rte_devargs *start)
> > +{
> > + struct rte_devargs *da;
> > +
> > + if (start != NULL)
> > + da = TAILQ_NEXT(start, next);
> > + else
> > + da = TAILQ_FIRST(&devargs_list);
> > + while (da != NULL) {
> > + if (busname == NULL ||
> > + (strcmp(busname, da->bus->name) == 0))
> > + return da;
> > + da = TAILQ_NEXT(da, next);
> > + }
> > + return NULL;
> > +}
>
> Can this be made to return a const pointer? It seems unsymmetrical to
> get the next value as a non-const pointer when passed a const based on last value.
>
I would like to, but this iterator is used in buses to match devargs and
assign it to an rte_devive. The devargs field there is not const.
We don't have a deprecation notice running on this. This might be worth
it, though, but I think this could come after integrating this series.
--
Gaëtan Rivet
6WIND
next prev parent reply other threads:[~2018-04-24 10:22 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-25 16:07 [dpdk-dev] [PATCH 0/6] devargs cleanup Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 1/6] devargs: introduce iterator Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 2/6] devargs: introduce foreach macro Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 3/6] vdev: do not reference devargs_list Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 4/6] bus/pci: " Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 5/6] test: remove rte_devargs unit tests Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 6/6] devargs: make devargs_list private Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 00/18] devargs cleanup Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 01/18] eal: prepend busname on legacy device declaration Gaetan Rivet
2017-12-11 13:57 ` Shreyansh Jain
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 02/18] eal: remove generic devtype Gaetan Rivet
2017-10-17 18:16 ` Aaron Conole
2017-10-18 8:20 ` Gaëtan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 03/18] devargs: introduce iterator Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 04/18] devargs: introduce foreach macro Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 05/18] vdev: do not reference devargs list Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 06/18] bus/pci: " Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 07/18] test: remove devargs unit tests Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 08/18] devargs: make devargs list private Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 09/18] devargs: make parsing variadic Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 10/18] devargs: require bus name prefix Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 11/18] devargs: simplify implementation Gaetan Rivet
2017-10-16 11:39 ` Shreyansh Jain
2017-10-16 11:42 ` Shreyansh Jain
2017-10-16 13:42 ` Gaëtan Rivet
2017-10-17 5:58 ` Shreyansh Jain
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 12/18] eal: add generic device declaration parameter Gaetan Rivet
2017-12-13 14:26 ` Shreyansh Jain
2017-12-13 14:47 ` Gaëtan Rivet
2017-12-13 15:24 ` Shreyansh Jain
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 13/18] bus: make device recognition function public Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 14/18] net/failsafe: keep legacy sub-device declaration Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 15/18] ether: use new devargs parsing function Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 16/18] devargs: remove old " Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 17/18] devargs: use proper prefix Gaetan Rivet
2017-10-12 8:21 ` [dpdk-dev] [PATCH v2 18/18] doc: remove devargs deprecation notices Gaetan Rivet
2017-10-12 11:28 ` Mcnamara, John
2017-12-13 10:17 ` Shreyansh Jain
2017-12-13 10:25 ` Gaëtan Rivet
2017-12-13 10:54 ` Shreyansh Jain
2017-12-22 4:59 ` Shreyansh Jain
2017-12-22 8:33 ` Gaëtan Rivet
2017-10-17 18:18 ` [dpdk-dev] [PATCH v2 00/18] devargs cleanup Aaron Conole
2017-10-18 8:36 ` Gaëtan Rivet
2018-03-20 23:20 ` [dpdk-dev] [PATCH v3 00/10] " Gaetan Rivet
2018-03-20 23:20 ` [dpdk-dev] [PATCH v3 01/10] devargs: introduce iterator Gaetan Rivet
2018-03-21 5:43 ` Tan, Jianfeng
2018-03-21 8:50 ` Gaëtan Rivet
2018-03-20 23:20 ` [dpdk-dev] [PATCH v3 02/10] devargs: introduce foreach macro Gaetan Rivet
2018-04-22 21:42 ` Thomas Monjalon
2018-03-20 23:20 ` [dpdk-dev] [PATCH v3 03/10] bus/vdev: do not reference devargs list Gaetan Rivet
2018-03-21 5:41 ` Tan, Jianfeng
2018-03-20 23:20 ` [dpdk-dev] [PATCH v3 04/10] bus/pci: " Gaetan Rivet
2018-03-20 23:20 ` [dpdk-dev] [PATCH v3 05/10] net/vdev_netvsc: " Gaetan Rivet
2018-03-20 23:20 ` [dpdk-dev] [PATCH v3 06/10] test: remove devargs unit tests Gaetan Rivet
2018-03-20 23:20 ` [dpdk-dev] [PATCH v3 07/10] devargs: make devargs list private Gaetan Rivet
2018-04-22 21:46 ` Thomas Monjalon
2018-03-20 23:20 ` [dpdk-dev] [PATCH v3 08/10] devargs: make parsing variadic Gaetan Rivet
2018-04-22 21:52 ` Thomas Monjalon
2018-03-20 23:20 ` [dpdk-dev] [PATCH v3 09/10] devargs: use proper namespace prefix Gaetan Rivet
2018-03-20 23:20 ` [dpdk-dev] [PATCH v3 10/10] devargs: rename legacy API Gaetan Rivet
2018-04-22 22:00 ` [dpdk-dev] [PATCH v3 00/10] devargs cleanup Thomas Monjalon
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 " Gaetan Rivet
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 01/10] devargs: introduce iterator Gaetan Rivet
2018-04-23 23:54 ` Stephen Hemminger
2018-04-24 10:22 ` Gaëtan Rivet [this message]
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 02/10] devargs: introduce foreach macro Gaetan Rivet
2018-04-23 23:56 ` Stephen Hemminger
2018-04-24 10:26 ` Gaëtan Rivet
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 03/10] bus/vdev: do not reference devargs list Gaetan Rivet
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 04/10] bus/pci: " Gaetan Rivet
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 05/10] net/vdev_netvsc: " Gaetan Rivet
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 06/10] test: remove devargs unit tests Gaetan Rivet
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 07/10] devargs: make devargs list private Gaetan Rivet
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 08/10] devargs: make parsing variadic Gaetan Rivet
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 09/10] devargs: use proper namespace prefix Gaetan Rivet
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 10/10] devargs: rename legacy API Gaetan Rivet
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 00/10] devargs cleanup Gaetan Rivet
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 01/10] devargs: introduce iterator Gaetan Rivet
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 02/10] bus/vdev: do not reference devargs list Gaetan Rivet
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 03/10] bus/pci: " Gaetan Rivet
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 04/10] net/vdev_netvsc: " Gaetan Rivet
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 05/10] test: remove devargs unit tests Gaetan Rivet
2018-04-25 0:45 ` Thomas Monjalon
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 06/10] devargs: make devargs list private Gaetan Rivet
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 07/10] devargs: make parsing variadic Gaetan Rivet
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 08/10] devargs: update devargs add documentation Gaetan Rivet
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 09/10] devargs: use proper namespace prefix Gaetan Rivet
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 10/10] devargs: rename legacy API Gaetan Rivet
2018-04-25 1:51 ` Thomas Monjalon
2018-04-25 1:57 ` [dpdk-dev] [PATCH v5 00/10] devargs cleanup Thomas Monjalon
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