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MFC r227547:
authorbz <bz@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 23 Nov 2011 16:03:47 +0000 (16:03 +0000)
committerbz <bz@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 23 Nov 2011 16:03:47 +0000 (16:03 +0000)
commit55ac74d4362564dffbc5c700dabc28af08b3c09c
tree97f8b9c322c627be8bcd970bf8f3bc5c4314c03dtree | snapshot
parent069610c72203fafa99edef9980b836ef1df47760commit | diff
MFC r227547:

 The maximum TSO frame size should be:
        maximum IP datagram size (65535 bytes) +
        Ethernet header size (14 bytes) +
        2 * VLAN tag size (4 bytes) [1].

 [1] We need to multiply by 2 to account for the double VLAN tag
     provision added in IEEE 802.1ad.

 Submitted by: David Somayajulu (david.somayajulu qlogic.com)

Approved by: re (kib)

git-svn-id: svn://svn.freebsd.org/base/releng/9.0@227892 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/dev/qlxgb/qla_def.h diff | blob | history
9.0-RELEASE