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hyperv/hn: Remove the FreeBSD_version check for TSO configuration

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It is available on both stable/10 and stable/11. This eases future MFCs
to stable/10.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7872
This commit is contained in:
Sepherosa Ziehau 2016-09-14 08:59:13 +00:00
parent 69c127b6e5
commit 2b9577d34f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=305796
1 changed files with 0 additions and 8 deletions
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8
sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
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@ -232,12 +232,10 @@ SYSCTL_INT(_hw_hn, OID_AUTO, trust_hostip, CTLFLAG_RDTUN,
"Trust ip packet verification on host side, "
"when csum info is missing (global setting)");
#if __FreeBSD_version >= 1100045
/* Limit TSO burst size */
static int hn_tso_maxlen = 0;
SYSCTL_INT(_hw_hn, OID_AUTO, tso_maxlen, CTLFLAG_RDTUN,
&hn_tso_maxlen, 0, "TSO burst limit");
#endif
/* Limit chimney send size */
static int hn_tx_chimney_size = 0;
@ -452,9 +450,7 @@ netvsc_attach(device_t dev)
uint32_t link_status;
struct ifnet *ifp = NULL;
int error, ring_cnt, tx_ring_cnt;
#if __FreeBSD_version >= 1100045
int tso_maxlen;
#endif
sc->hn_dev = dev;
sc->hn_prichan = vmbus_get_channel(dev);
@ -587,7 +583,6 @@ netvsc_attach(device_t dev)
if (link_status == NDIS_MEDIA_STATE_CONNECTED)
sc->hn_carrier = 1;
#if __FreeBSD_version >= 1100045
tso_maxlen = hn_tso_maxlen;
if (tso_maxlen <= 0 || tso_maxlen > IP_MAXPACKET)
tso_maxlen = IP_MAXPACKET;
@ -596,17 +591,14 @@ netvsc_attach(device_t dev)
ifp->if_hw_tsomaxsegsize = PAGE_SIZE;
ifp->if_hw_tsomax = tso_maxlen -
(ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN);
#endif
error = hn_rndis_get_eaddr(sc, eaddr);
if (error)
goto failed;
ether_ifattach(ifp, eaddr);
#if __FreeBSD_version >= 1100045
if_printf(ifp, "TSO: %u/%u/%u\n", ifp->if_hw_tsomax,
ifp->if_hw_tsomaxsegcount, ifp->if_hw_tsomaxsegsize);
#endif
hn_set_chim_size(sc, sc->hn_chim_szmax);
if (hn_tx_chimney_size > 0 &&