Differential D8519 Diff 22205 sys/dev/hyperv/netvsc/if_hn.c

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sys/dev/hyperv/netvsc/if_hn.c

Show First 20 Lines • Show All 3,503 Lines • ▼ Show 20 Lines	hn_create_tx_data(struct hn_softc *sc, int ring_cnt)
sc->hn_chim = hyperv_dmamem_alloc(bus_get_dma_tag(sc->hn_dev),		sc->hn_chim = hyperv_dmamem_alloc(bus_get_dma_tag(sc->hn_dev),
PAGE_SIZE, 0, HN_CHIM_SIZE, &sc->hn_chim_dma,		PAGE_SIZE, 0, HN_CHIM_SIZE, &sc->hn_chim_dma,
BUS_DMA_WAITOK \| BUS_DMA_ZERO);		BUS_DMA_WAITOK \| BUS_DMA_ZERO);
if (sc->hn_chim == NULL) {		if (sc->hn_chim == NULL) {
device_printf(sc->hn_dev, "allocate txbuf failed\n");		device_printf(sc->hn_dev, "allocate txbuf failed\n");
return (ENOMEM);		return (ENOMEM);
}		}

		#if __FreeBSD_version >= 1100000
		sc->hn_tx_ehash_key = m_ether_tcpip_hash_init();
		#endif
sc->hn_tx_ring_cnt = ring_cnt;		sc->hn_tx_ring_cnt = ring_cnt;
sc->hn_tx_ring_inuse = sc->hn_tx_ring_cnt;		sc->hn_tx_ring_inuse = sc->hn_tx_ring_cnt;

sc->hn_tx_ring = malloc(sizeof(struct hn_tx_ring) * sc->hn_tx_ring_cnt,		sc->hn_tx_ring = malloc(sizeof(struct hn_tx_ring) * sc->hn_tx_ring_cnt,
M_DEVBUF, M_WAITOK \| M_ZERO);		M_DEVBUF, M_WAITOK \| M_ZERO);

ctx = device_get_sysctl_ctx(sc->hn_dev);		ctx = device_get_sysctl_ctx(sc->hn_dev);
child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->hn_dev));		child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->hn_dev));
▲ Show 20 Lines • Show All 468 Lines • ▼ Show 20 Lines	if (m->m_pkthdr.csum_flags & CSUM_TSO) {
if (__predict_false(m == NULL)) {		if (__predict_false(m == NULL)) {
if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);		if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
return EIO;		return EIO;
}		}
}		}
#endif		#endif

/*		/*
* Select the TX ring based on flowid		* Select the TX ring.
*/		*/
if (M_HASHTYPE_GET(m) != M_HASHTYPE_NONE)		if (M_HASHTYPE_GET(m) != M_HASHTYPE_NONE) {
idx = m->m_pkthdr.flowid % sc->hn_tx_ring_inuse;		idx = m->m_pkthdr.flowid % sc->hn_tx_ring_inuse;
		}
		#if __FreeBSD_version >= 1100000
		else {
		idx = m_ether_tcpip_hash(MBUF_HASHFLAG_L3 \| MBUF_HASHFLAG_L4,
		m, sc->hn_tx_ehash_key) % sc->hn_tx_ring_inuse;
		}
		#endif
txr = &sc->hn_tx_ring[idx];		txr = &sc->hn_tx_ring[idx];

error = drbr_enqueue(ifp, txr->hn_mbuf_br, m);		error = drbr_enqueue(ifp, txr->hn_mbuf_br, m);
if (error) {		if (error) {
if_inc_counter(ifp, IFCOUNTER_OQDROPS, 1);		if_inc_counter(ifp, IFCOUNTER_OQDROPS, 1);
return error;		return error;
}		}

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