svn commit: r296185 - head/sys/dev/hyperv/netvsc
Sepherosa Ziehau
sephe at FreeBSD.org
Mon Feb 29 08:53:54 UTC 2016
Author: sephe
Date: Mon Feb 29 08:53:53 2016
New Revision: 296185
URL: https://svnweb.freebsd.org/changeset/base/296185
Log:
hyperv/hn: Put LRO aggregation limit settings under FreeBSD version check
This simplifies MFC to 10-stable
MFC after: 1 week
Sponsored by: Microsoft OSTC
Differential Revision: https://reviews.freebsd.org/D5487
Modified:
head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Mon Feb 29 08:45:07 2016 (r296184)
+++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Mon Feb 29 08:53:53 2016 (r296185)
@@ -290,8 +290,10 @@ static void hn_start(struct ifnet *ifp);
static void hn_start_txeof(struct hn_tx_ring *);
static int hn_ifmedia_upd(struct ifnet *ifp);
static void hn_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr);
+#if __FreeBSD_version >= 1100099
static int hn_lro_lenlim_sysctl(SYSCTL_HANDLER_ARGS);
static int hn_lro_ackcnt_sysctl(SYSCTL_HANDLER_ARGS);
+#endif
static int hn_trust_hcsum_sysctl(SYSCTL_HANDLER_ARGS);
static int hn_tx_chimney_size_sysctl(SYSCTL_HANDLER_ARGS);
static int hn_rx_stat_ulong_sysctl(SYSCTL_HANDLER_ARGS);
@@ -1368,6 +1370,7 @@ hn_ioctl(struct ifnet *ifp, u_long cmd,
/* Obtain and record requested MTU */
ifp->if_mtu = ifr->ifr_mtu;
+#if __FreeBSD_version >= 1100099
/*
* Make sure that LRO aggregation length limit is still
* valid, after the MTU change.
@@ -1383,6 +1386,7 @@ hn_ioctl(struct ifnet *ifp, u_long cmd,
}
}
NV_UNLOCK(sc);
+#endif
do {
NV_LOCK(sc);
@@ -1705,6 +1709,8 @@ hn_watchdog(struct ifnet *ifp)
}
#endif
+#if __FreeBSD_version >= 1100099
+
static int
hn_lro_lenlim_sysctl(SYSCTL_HANDLER_ARGS)
{
@@ -1758,6 +1764,8 @@ hn_lro_ackcnt_sysctl(SYSCTL_HANDLER_ARGS
return 0;
}
+#endif
+
static int
hn_trust_hcsum_sysctl(SYSCTL_HANDLER_ARGS)
{
@@ -2040,8 +2048,10 @@ hn_create_rx_data(struct hn_softc *sc)
tcp_lro_init(&rxr->hn_lro);
rxr->hn_lro.ifp = sc->hn_ifp;
#endif
+#if __FreeBSD_version >= 1100099
rxr->hn_lro.lro_length_lim = HN_LRO_LENLIM_DEF;
rxr->hn_lro.lro_ackcnt_lim = HN_LRO_ACKCNT_DEF;
+#endif
#endif /* INET || INET6 */
}
@@ -2060,12 +2070,14 @@ hn_create_rx_data(struct hn_softc *sc)
CTLTYPE_ULONG | CTLFLAG_RW, sc,
__offsetof(struct hn_rx_ring, hn_lro_tried),
hn_rx_stat_ulong_sysctl, "LU", "# of LRO tries");
+#if __FreeBSD_version >= 1100099
SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "lro_length_lim",
CTLTYPE_UINT | CTLFLAG_RW, sc, 0, hn_lro_lenlim_sysctl, "IU",
"Max # of data bytes to be aggregated by LRO");
SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "lro_ackcnt_lim",
CTLTYPE_INT | CTLFLAG_RW, sc, 0, hn_lro_ackcnt_sysctl, "I",
"Max # of ACKs to be aggregated by LRO");
+#endif
SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "trust_hosttcp",
CTLTYPE_INT | CTLFLAG_RW, sc, HN_TRUST_HCSUM_TCP,
hn_trust_hcsum_sysctl, "I",
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