git: igb: Don't assume only one TX queue will be enabled.

[Sepherosa Ziehau]

commit d802cc675c651548f6da447d4f84cad234873667
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Fri Jan 25 13:52:59 2013 +0800

    igb: Don't assume only one TX queue will be enabled.
    
    Prepare multiple TX queue support.
    
    - Add TX queue count when MSI-X is used
    - Add currently used TX queue count
    
    Number of TX queues are still limited to 1 as of this commit.

Summary of changes:
 sys/dev/netif/igb/if_igb.c | 101 ++++++++++++++++++++++++++++++++-------------
 sys/dev/netif/igb/if_igb.h |   3 ++
 2 files changed, 76 insertions(+), 28 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/d802cc675c651548f6da447d4f84cad234873667


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