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Sean Bruno authored
doesn't get overrun by things like NFS that can and do shove more than 32 segs when being used with em(4) and TSO4. Update tso handling code in em_xmit() with update from jhb@ in email thread: https://lists.freebsd.org/pipermail/freebsd-net/2014-July/039306.html set ifp->if_hw_tsomax, ifp->if_hw_tsomaxsegcount & ifp->if_hw_tsomaxsegsize to appropriate values. Define a TSO workaround "magic" number of 4 that is used to avoid an alignment issue in hardware. Change a couple of integer values that were used as booleans to actual bool types. Ensure that em_enable_intr() enables the appropriate mask of interrupts and not just a hardcoded define of values. PR: 200221 199174 195078 Differential Revision: https://reviews.freebsd.org/D3192 Reviewed by: erj jhb hiren MFC after: 2 weeks Sponsored by: Limelight Networks
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