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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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6
lib/netdev-provider.h
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@@ -52,9 +52,13 @@ struct netdev {
* 'netdev''s flags, features, ethernet address, or carrier changes. */
uint64_t change_seq;
/* The following are protected by 'netdev_mutex' (internal to netdev.c). */
/* The core netdev code initializes these at netdev construction and only
* provide read-only access to its client. Netdev implementations may
* modify them. */
int n_txq;
int n_rxq;
/* Number of rx queues requested by user. */
int requested_n_rxq;
int ref_cnt; /* Times this devices was opened. */
struct shash_node *node; /* Pointer to element in global map. */
struct ovs_list saved_flags_list; /* Contains "struct netdev_saved_flags". */