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dpif-netdev: Allow different numbers of rx queues for different ports.

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Currently, all of the PMD netdevs can only have the same number of
rx queues, which is specified in other_config:n-dpdk-rxqs.

Fix that by introducing of new option for PMD interfaces: 'n_rxq', which
specifies the maximum number of rx queues to be created for this
interface.

Example:
	ovs-vsctl set Interface dpdk0 options:n_rxq=8

Old 'other_config:n-dpdk-rxqs' deleted.

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Acked-by: Ben Pfaff <blp@ovn.org>
Acked-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Daniele Di Proietto <diproiettod@vmware.com>
This commit is contained in:
Ilya Maximets
2016-01-21 17:15:18 +03:00
committed by Daniele Di Proietto
parent 9d2d2b5cd2
commit a14b8947fd
16 changed files with 102 additions and 65 deletions
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7
lib/netdev.c
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@@ -106,6 +106,12 @@ netdev_n_rxq(const struct netdev *netdev)
return netdev->n_rxq;
}
int
netdev_requested_n_rxq(const struct netdev *netdev)
{
return netdev->requested_n_rxq;
}
bool
netdev_is_pmd(const struct netdev *netdev)
{
@@ -376,6 +382,7 @@ netdev_open(const char *name, const char *type, struct netdev **netdevp)
/* By default enable one tx and rx queue per netdev. */
netdev->n_txq = netdev->netdev_class->send ? 1 : 0;
netdev->n_rxq = netdev->netdev_class->rxq_alloc ? 1 : 0;
netdev->requested_n_rxq = netdev->n_rxq;
list_init(&netdev->saved_flags_list);