From: Yasufumi Ogawa <geminoa@juno.ocn.ne.jp>
To: x-fn-spp@sl.ntt-tx.co.jp
Cc: ferruh.yigit@intel.com, ogawa.yasufumi@lab.ntt.co.jp, spp@dpdk.org
Subject: Re: [spp] [PATCH v2 4/6] shared: add dev_detach_by_port_id
Date: Sun, 25 Nov 2018 00:02:35 +0900 [thread overview]
Message-ID: <2901ff2a-5450-39e2-3a97-39c6dcf5be7c@juno.ocn.ne.jp> (raw)
In-Reply-To: <201811210652.wAL6qKRG011075@imss04.silk.ntt-tx.co.jp>
> SPP uses deprecated APIs removed in DPDK v18.11. Using rte_eth_hotplug_remove()
> is recommended instead of rte_eth_dev_detach()[1]. This patch is to add
> dev_detach_by_port_id() to shared directory so that spp_primary, spp_nfv,
> spp_vm and spp_vf can refer this new function.
Hideyuki,
Commit message should be wrapped at 72 characters, but 1st and 3rd lines
exceeds the limitation.
Thanks
>
> [1]https://mails.dpdk.org/archives/dev/2018-October/117115.html
>
> Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
> Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
> ---
> src/shared/common.c | 38 ++++++++++++++++++++++++++++++++++++++
> src/shared/common.h | 12 ++++++++++++
> 2 files changed, 50 insertions(+)
>
> diff --git a/src/shared/common.c b/src/shared/common.c
> index c88ce14..0e32fa6 100644
> --- a/src/shared/common.c
> +++ b/src/shared/common.c
> @@ -526,3 +526,41 @@ dev_attach_by_devargs(const char *devargs, uint16_t *port_id)
>
> return ret;
> }
> +
> +/* detach the device, then store the name of the device */
> +int
> +dev_detach_by_port_id(uint16_t port_id)
> +{
> + struct rte_device *dev;
> + struct rte_bus *bus;
> + uint32_t dev_flags;
> + int ret = -1;
> +
> + if (rte_eth_devices[port_id].data == NULL) {
> + RTE_LOG(INFO, APP,
> + "rte_eth_devices[%d].data is NULL\n", port_id);
> + return 0;
> + }
> + dev_flags = rte_eth_devices[port_id].data->dev_flags;
> + if (dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
> + RTE_LOG(ERR, APP,
> + "Port %"PRIu16" is bonded, cannot detach\n", port_id);
> + return -ENOTSUP;
> + }
> +
> + dev = rte_eth_devices[port_id].device;
> + if (dev == NULL)
> + return -EINVAL;
> +
> + bus = rte_bus_find_by_device(dev);
> + if (bus == NULL)
> + return -ENOENT;
> +
> + ret = rte_eal_hotplug_remove(bus->name, dev->name);
> + if (ret < 0)
> + return ret;
> +
> + rte_eth_dev_release_port(&rte_eth_devices[port_id]);
> +
> + return 0;
> +}
> diff --git a/src/shared/common.h b/src/shared/common.h
> index 60514e5..09dbf8a 100644
> --- a/src/shared/common.h
> +++ b/src/shared/common.h
> @@ -234,4 +234,16 @@ int spp_atoi(const char *str, int *val);
> int
> dev_attach_by_devargs(const char *devargs, uint16_t *port_id);
>
> +/**
> + * Detach a Ethernet device specified by port identifier.
> + * This function must be called when the device is in the
> + * closed state.
> + *
> + * @param port_id
> + * The port identifier of the device to detach.
> + * @return
> + * 0 on success and devname is filled, negative on error
> + */
> +int dev_detach_by_port_id(uint16_t port_id);
> +
> #endif
>
next prev parent reply other threads:[~2018-11-24 15:02 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-07 5:07 [spp] [PATCH 0/6] Replace deprecated APIs x-fn-spp
2018-11-09 3:34 ` Yasufumi Ogawa
2018-11-09 9:22 ` [spp] [spp 03539] " Hideyuki Yamashita
2018-11-12 11:15 ` Yasufumi Ogawa
2018-11-13 0:27 ` Hideyuki Yamashita
2018-11-13 8:22 ` Yasufumi Ogawa
2018-11-14 0:40 ` Hideyuki Yamashita
2018-11-15 0:16 ` Nakamura Hioryuki
2018-11-15 14:17 ` Yasufumi Ogawa
2018-11-21 6:52 ` [spp] [PATCH v2 " x-fn-spp
2018-11-24 12:57 ` Yasufumi Ogawa
2018-11-28 2:44 ` Yasufumi Ogawa
2018-11-21 6:52 ` [spp] [PATCH v2 1/6] shared: add dev_attach_by_devargs x-fn-spp
2018-11-24 14:54 ` Yasufumi Ogawa
2018-11-26 4:12 ` [spp] [spp 03664] " Hideyuki Yamashita
2018-11-21 6:52 ` [spp] [PATCH v2 2/6] spp_nfv: replace deprecated rte_eth_dev_attach x-fn-spp
2018-11-21 6:52 ` [spp] [PATCH v2 3/6] spp_vf: " x-fn-spp
2018-11-21 6:52 ` [spp] [PATCH v2 4/6] shared: add dev_detach_by_port_id x-fn-spp
2018-11-24 15:02 ` Yasufumi Ogawa [this message]
2018-11-21 6:52 ` [spp] [PATCH v2 5/6] spp_nfv: replace deprecated rte_eth_dev_detach x-fn-spp
2018-11-21 6:52 ` [spp] [PATCH v2 6/6] spp_vm: " x-fn-spp
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