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Hyper-V: hn: Initialize the internal field of per packet info on tx path

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The RSC support feature introduced a bit field "rm_internal" in
struct rndis_pktinfo with total size unchanged.

The guest does not use this field in the tx path. However we need to
initialize it to zero in case older hosts which are not aware of this
field.

Fixes:		a491581f ("Hyper-V: hn: Enable vSwitch RSC support")
MFC after:	2 weeks
Sponsored by:	Microsoft

(cherry picked from commit 805dbff6c3)
This commit is contained in:
Wei Hu 2021-03-15 10:20:52 +00:00
parent cdc59163ff
commit 2fbdbfaa0c
1 changed files with 1 additions and 0 deletions
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1
sys/dev/hyperv/netvsc/if_hn.c
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@ -2932,6 +2932,7 @@ hn_rndis_pktinfo_append(struct rndis_packet_msg *pkt, size_t pktsize,
pi->rm_size = pi_size;
pi->rm_type = pi_type;
pi->rm_internal = 0;
pi->rm_pktinfooffset = RNDIS_PKTINFO_OFFSET;
return (pi->rm_data);