[dpdk-dev] [PATCH v3 1/2] net/vhost: create datagram sockets immediately
Yuanhan Liu
yuanhan.liu at linux.intel.com
Tue Jan 3 09:22:15 CET 2017
On Sun, Jan 01, 2017 at 02:01:56PM -0500, Charles (Chas) Williams wrote:
> If you create a vhost server device, it doesn't create the actual datagram
> socket until you call .dev_start(). If you call .dev_stop() is also
> deletes those sockets. For QEMU clients, this is a problem since QEMU
> doesn't know how to re-attach to datagram sockets that have gone away.
>
> To work around this, register and unregister the datagram sockets during
I will not call it's a "workaround", instead, it's a "fix" to me.
> device creation and removal.
>
> Fixes: ee584e9710b9 ("vhost: add driver on top of the library")
>
> Signed-off-by: Chas Williams <ciwillia at brocade.com>
> ---
> drivers/net/vhost/rte_eth_vhost.c | 43 ++++++++++++++++-----------------------
> 1 file changed, 17 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
> index 60b0f51..6b11e40 100644
> --- a/drivers/net/vhost/rte_eth_vhost.c
> +++ b/drivers/net/vhost/rte_eth_vhost.c
> @@ -114,8 +114,6 @@ struct pmd_internal {
> char *iface_name;
> uint16_t max_queues;
> uint64_t flags;
I think the "flags" could also be dropped in this patch: no user any
more.
--yliu
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