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MFC r227547:
authorbz <bz@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 23 Nov 2011 16:02:12 +0000 (16:02 +0000)
committerbz <bz@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 23 Nov 2011 16:02:12 +0000 (16:02 +0000)
commit0fd353eda456d79debdcb9690bcf9174754afe5d
tree6970da9d5fa18f8562791dc4f78ff2a8f4d64e67tree | snapshot
parent045db0db0ae98d5a458cecc458718328847e06cbcommit | 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/stable/9@227890 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/dev/qlxgb/qla_def.h diff | blob | history
9-STABLE