ixgbe: Update method used for determining descriptor count for an skb

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This patch updates the current methods used for determining if we have
enough space to transmit a given skb.  The current method is quite wasteful
as it has us go through and determine how each page is going to be broken
up.  That only needs to be done if pages are larger than our maximum data
per TXD.  As such I have wrapped that in a page size check.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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Alexander Duyck 2011-05-27 05:31:52 +00:00 • committed by Jeff Kirsher

parent 897ab15606

commit a535c30e9e

2 changed files with 33 additions and 29 deletions

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7

drivers/net/ixgbe/ixgbe.h

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55

drivers/net/ixgbe/ixgbe_main.c

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