Index: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c =================================================================== --- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c +++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c @@ -132,6 +132,8 @@ /* YYY should get it from the underlying channel */ #define HN_TX_DESC_CNT 512 +#define HN_LROENT_CNT_DEF 128 + #define HN_RNDIS_MSG_LEN \ (sizeof(rndis_msg) + \ RNDIS_VLAN_PPI_SIZE + \ @@ -232,6 +234,13 @@ static int hn_direct_tx_size = HN_DIRECT_TX_SIZE_DEF; TUNABLE_INT("dev.hn.direct_tx_size", &hn_direct_tx_size); +#if defined(INET) || defined(INET6) +#if __FreeBSD_version >= 1100095 +static int hn_lro_entry_count = HN_LROENT_CNT_DEF; +TUNABLE_INT("dev.hn.lro_entry_count", &hn_lro_entry_count); +#endif +#endif + /* * Forward declarations */ @@ -335,6 +344,11 @@ #if __FreeBSD_version >= 1100045 int tso_maxlen; #endif +#if defined(INET) || defined(INET6) +#if __FreeBSD_version >= 1100095 + int lroent_cnt; +#endif +#endif sc = device_get_softc(dev); if (sc == NULL) { @@ -417,9 +431,17 @@ } #if defined(INET) || defined(INET6) +#if __FreeBSD_version >= 1100095 + lroent_cnt = hn_lro_entry_count; + if (lroent_cnt < TCP_LRO_ENTRIES) + lroent_cnt = TCP_LRO_ENTRIES; + tcp_lro_init_args(&sc->hn_lro, ifp, lroent_cnt, 0); + device_printf(dev, "LRO: entry count %d\n", lroent_cnt); +#else tcp_lro_init(&sc->hn_lro); /* Driver private LRO settings */ sc->hn_lro.ifp = ifp; +#endif #ifdef HN_LRO_HIWAT sc->hn_lro.lro_hiwat = sc->hn_lro_hiwat; #endif @@ -547,6 +569,12 @@ SYSCTL_ADD_INT(dc_ctx, dc_child, OID_AUTO, "direct_tx_size", CTLFLAG_RD, &hn_direct_tx_size, 0, "Size of the packet for direct transmission"); +#if defined(INET) || defined(INET6) +#if __FreeBSD_version >= 1100095 + SYSCTL_ADD_INT(dc_ctx, dc_child, OID_AUTO, "lro_entry_count", + CTLFLAG_RD, &hn_lro_entry_count, 0, "LRO entry count"); +#endif +#endif } return (0);