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hyperv/hn: Allocate bufrings in attach DEVMETHOD.
rS306073
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Description

hyperv/hn: Allocate bufrings in attach DEVMETHOD.

So that reinitialization, e.g. MTU change, will not fail when the system
memory is excessively fragmented.

MFC after: 1 week
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D7961

Details

Provenance
sepheAuthored on
Differential Revision
D7961: hyperv/hn: Allocate bufrings in attach DEVMETHOD.
Parents
rS306072: hyperv/vmbus: Allow bufrings preallocation.
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Changes (2)

PathSize
head/
sys/
dev/
hyperv/
netvsc/

rS306073

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head/sys/dev/hyperv/netvsc/hv_net_vsc.h

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head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c

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