D5488.1793810071.diff
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	Index: sys/dev/hyperv/netvsc/hv_net_vsc.h
	===================================================================
	--- sys/dev/hyperv/netvsc/hv_net_vsc.h
	+++ sys/dev/hyperv/netvsc/hv_net_vsc.h
	@@ -1000,10 +1000,11 @@

	struct hn_rx_ring {
	struct ifnet *hn_ifp;
	- struct lro_ctrl hn_lro;
	+ int hn_rx_idx;

	/* Trust csum verification on host side */
	int hn_trust_hcsum; /* HN_TRUST_HCSUM_ */
	+ struct lro_ctrl hn_lro;

	u_long hn_csum_ip;
	u_long hn_csum_tcp;
	Index: sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
	===================================================================
	--- sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
	+++ sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
	@@ -1287,6 +1287,9 @@
	m_new->m_flags \|= M_VLANTAG;
	}

	+ m_new->m_pkthdr.flowid = rxr->hn_rx_idx;
	+ M_HASHTYPE_SET(m_new, M_HASHTYPE_OPAQUE);
	+
	/*
	* Note: Moved RX completion back to hv_nv_on_receive() so all
	* messages (not just data messages) will trigger a response.
	@@ -2037,6 +2040,7 @@
	if (hn_trust_hostip)
	rxr->hn_trust_hcsum \|= HN_TRUST_HCSUM_IP;
	rxr->hn_ifp = sc->hn_ifp;
	+ rxr->hn_rx_idx = i;

	/*
	* Initialize LRO.
	@@ -2567,10 +2571,14 @@
	{
	struct hn_softc *sc = ifp->if_softc;
	struct hn_tx_ring *txr;
	- int error;
	+ int error, idx = 0;

	- /* TODO: vRSS, TX ring selection */
	- txr = &sc->hn_tx_ring[0];
	+ /*
	+ * Select the TX ring based on flowid
	+ */
	+ if (M_HASHTYPE_GET(m) != M_HASHTYPE_NONE)
	+ idx = m->m_pkthdr.flowid % sc->hn_tx_ring_cnt;
	+ txr = &sc->hn_tx_ring[idx];

	error = drbr_enqueue(ifp, txr->hn_mbuf_br, m);
	if (error)