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igb: cap interrupts at 20K per queue when in itr mode 3
authorNick Nunley <nicholasx.d.nunley@intel.com>
Wed, 17 Feb 2010 01:03:19 +0000 (01:03 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 17 Feb 2010 21:21:35 +0000 (13:21 -0800)
commitabe1c3638ccf8b68536afb52b111f6ad46d1cf71
tree3b871785aa37ba60869ce8f7f06dd6f35cb90607tree | snapshot
parent2d0b0f693578109aff347e055d47f2797c802261commit | diff
igb: cap interrupts at 20K per queue when in itr mode 3

In order to maintain similar performance between MSI-X and
legacy/MSI interrupts, this patch reduces the number of interrupts
when receiving small packets to 20K when in interrupt throttle
rate mode 3.

Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/igb/igb_main.c diff | blob | history
Domain: System / Kernel;