Author: sephe
Date: Fri Mar 4 07:07:42 2016
New Revision: 296381
URL: https://svnweb.freebsd.org/changeset/base/296381
Log:
hyperv/hn: Add per-TX ring stats for # of transmitted packets
MFC after: 2 weeks
Sponsored by: Microsoft OSTC
Modified:
head/sys/dev/hyperv/netvsc/hv_net_vsc.h
head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.h
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_net_vsc.h Fri Mar 4 07:00:37 2016
(r296380)
+++ head/sys/dev/hyperv/netvsc/hv_net_vsc.h Fri Mar 4 07:07:42 2016
(r296381)
@@ -1208,6 +1208,7 @@ struct hn_tx_ring {
u_long hn_txdma_failed;
u_long hn_tx_collapsed;
u_long hn_tx_chimney;
+ u_long hn_pkts;
/* Rarely used stuffs */
struct hn_txdesc *hn_txdesc;
Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Fri Mar 4 07:00:37
2016 (r296380)
+++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Fri Mar 4 07:07:42
2016 (r296381)
@@ -1021,6 +1021,7 @@ again:
if (txd->m->m_flags & M_MCAST)
if_inc_counter(ifp, IFCOUNTER_OMCASTS, 1);
}
+ txr->hn_pkts++;
}
hn_txdesc_put(txr, txd);
@@ -2402,6 +2403,9 @@ hn_create_tx_ring(struct hn_softc *sc, i
CTLFLAG_RD, &txr->hn_oactive, 0,
"over active");
}
+ SYSCTL_ADD_ULONG(ctx, child, OID_AUTO, "packets",
+ CTLFLAG_RW, &txr->hn_pkts,
+ "# of packets transmitted");
}
}
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