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hyperv/hn: Factor out hn_set_lro_lenlim()

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MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5692
This commit is contained in:
Sepherosa Ziehau 2016-03-22 06:42:24 +00:00
parent 16ac3db526
commit 59526d4ac7
1 changed files with 16 additions and 17 deletions
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33
sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
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@ -334,6 +334,17 @@ static void hn_xmit_txeof(struct hn_tx_ring *);
static void hn_xmit_taskfunc(void *, int);
static void hn_xmit_txeof_taskfunc(void *, int);
#if __FreeBSD_version >= 1100099
static void
hn_set_lro_lenlim(struct hn_softc *sc, int lenlim)
{
int i;
for (i = 0; i < sc->hn_rx_ring_inuse; ++i)
sc->hn_rx_ring[i].hn_lro.lro_length_lim = lenlim;
}
#endif
static int
hn_ifmedia_upd(struct ifnet *ifp __unused)
{
@ -533,16 +544,11 @@ netvsc_attach(device_t dev)
#if __FreeBSD_version >= 1100099
if (sc->hn_rx_ring_inuse > 1) {
int i;
/*
* Reduce TCP segment aggregation limit for multiple
* RX rings to increase ACK timeliness.
*/
for (i = 0; i < sc->hn_rx_ring_inuse; ++i) {
sc->hn_rx_ring[i].hn_lro.lro_length_lim =
HN_LRO_LENLIM_MULTIRX_DEF;
}
hn_set_lro_lenlim(sc, HN_LRO_LENLIM_MULTIRX_DEF);
}
#endif
@ -1465,14 +1471,8 @@ hn_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
*/
NV_LOCK(sc);
if (sc->hn_rx_ring[0].hn_lro.lro_length_lim <
HN_LRO_LENLIM_MIN(ifp)) {
int i;
for (i = 0; i < sc->hn_rx_ring_inuse; ++i) {
sc->hn_rx_ring[i].hn_lro.lro_length_lim =
HN_LRO_LENLIM_MIN(ifp);
}
}
HN_LRO_LENLIM_MIN(ifp))
hn_set_lro_lenlim(sc, HN_LRO_LENLIM_MIN(ifp));
NV_UNLOCK(sc);
#endif
@ -1805,7 +1805,7 @@ hn_lro_lenlim_sysctl(SYSCTL_HANDLER_ARGS)
{
struct hn_softc *sc = arg1;
unsigned int lenlim;
int error, i;
int error;
lenlim = sc->hn_rx_ring[0].hn_lro.lro_length_lim;
error = sysctl_handle_int(oidp, &lenlim, 0, req);
@ -1817,8 +1817,7 @@ hn_lro_lenlim_sysctl(SYSCTL_HANDLER_ARGS)
return EINVAL;
NV_LOCK(sc);
for (i = 0; i < sc->hn_rx_ring_inuse; ++i)
sc->hn_rx_ring[i].hn_lro.lro_length_lim = lenlim;
hn_set_lro_lenlim(sc, lenlim);
NV_UNLOCK(sc);
return 0;
}