[dpdk-dev] [PATCH 02/12] eal: avoid calling rte_vdev_init()
Gaëtan Rivet
gaetan.rivet at 6wind.com
Tue Aug 29 14:50:45 CEST 2017
Hi,
On Fri, Aug 25, 2017 at 09:40:42AM +0000, Jianfeng Tan wrote:
> We can call bus->plug() to avoid calling rte_vdev_init() explicitly.
>
> Signed-off-by: Jianfeng Tan <jianfeng.tan at intel.com>
> ---
> lib/librte_eal/common/eal_common_dev.c | 21 +++++----------------
> 1 file changed, 5 insertions(+), 16 deletions(-)
>
> diff --git a/lib/librte_eal/common/eal_common_dev.c b/lib/librte_eal/common/eal_common_dev.c
> index e251275..066dfbf 100644
> --- a/lib/librte_eal/common/eal_common_dev.c
> +++ b/lib/librte_eal/common/eal_common_dev.c
> @@ -67,7 +67,6 @@ static int cmp_dev_name(const struct rte_device *dev, const void *_name)
> int rte_eal_dev_attach(const char *name, const char *devargs)
> {
> struct rte_bus *bus;
> - int ret;
>
> if (name == NULL || devargs == NULL) {
> RTE_LOG(ERR, EAL, "Invalid device or arguments provided\n");
> @@ -80,22 +79,12 @@ int rte_eal_dev_attach(const char *name, const char *devargs)
> name);
> return -EINVAL;
> }
> - if (strcmp(bus->name, "pci") == 0)
> - return rte_eal_hotplug_add("pci", name, devargs);
> - if (strcmp(bus->name, "vdev") != 0) {
> - RTE_LOG(ERR, EAL, "Device attach is only supported for PCI and vdev devices.\n");
> - return -ENOTSUP;
> - }
> + if (strcmp(bus->name, "pci") == 0 || strcmp(bus->name, "vdev") != 0)
It seems to be a copy / paste error, it should probably be:
+ if (strcmp(bus->name, "pci") == 0 || strcmp(bus->name, "vdev") == 0)
Now, one could question the relevancy of keeping this API
(rte_eal_dev_attach / detach), but I guess this is beyond the scope of
this series.
> + return rte_eal_hotplug_add(bus->name, name, devargs);
>
> - /*
> - * If we haven't found a bus device the user meant to "hotplug" a
> - * virtual device instead.
> - */
> - ret = rte_vdev_init(name, devargs);
> - if (ret)
> - RTE_LOG(ERR, EAL, "Driver cannot attach the device (%s)\n",
> - name);
> - return ret;
> + RTE_LOG(ERR, EAL, "Device attach is only supported for PCI and vdev devices.\n");
> +
> + return -ENOTSUP;
> }
>
> int rte_eal_dev_detach(struct rte_device *dev)
> --
> 2.7.4
>
--
Gaëtan Rivet
6WIND
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