jimzah/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src.git synced 2024-12-03 14:48:57 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

hyperv/hn: ifnet TSO configuration is available on 10-stable.

Browse Source 
Sponsored by:	Microsoft OSTC
This commit is contained in:
Sepherosa Ziehau 2016-06-16 06:26:09 +00:00
parent bd2db18dd8
commit 02d799777f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/stable/10/; revision=301953
1 changed files with 0 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
View File

@ -237,12 +237,10 @@ 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;
@ -432,9 +430,7 @@ netvsc_attach(device_t dev)
int unit = device_get_unit(dev);
struct ifnet *ifp = NULL;
int error, ring_cnt, tx_ring_cnt;
#if __FreeBSD_version >= 1100045
int tso_maxlen;
#endif
sc = device_get_softc(dev);
if (sc == NULL) {
@ -584,7 +580,6 @@ netvsc_attach(device_t dev)
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;
@ -593,14 +588,11 @@ 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
ether_ifattach(ifp, device_info.mac_addr);
#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
sc->hn_tx_chimney_max = sc->net_dev->send_section_size;
hn_set_tx_chimney_size(sc, sc->hn_tx_chimney_max);