Differential D7687 Diff 19827 head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c

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head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c

Show First 20 Lines • Show All 148 Lines • ▼ Show 20 Lines	#define HN_RNDIS_MSG_LEN \
RNDIS_TSO_PPI_SIZE + \		RNDIS_TSO_PPI_SIZE + \
RNDIS_CSUM_PPI_SIZE)		RNDIS_CSUM_PPI_SIZE)
#define HN_RNDIS_MSG_BOUNDARY PAGE_SIZE		#define HN_RNDIS_MSG_BOUNDARY PAGE_SIZE
#define HN_RNDIS_MSG_ALIGN CACHE_LINE_SIZE		#define HN_RNDIS_MSG_ALIGN CACHE_LINE_SIZE

#define HN_TX_DATA_BOUNDARY PAGE_SIZE		#define HN_TX_DATA_BOUNDARY PAGE_SIZE
#define HN_TX_DATA_MAXSIZE IP_MAXPACKET		#define HN_TX_DATA_MAXSIZE IP_MAXPACKET
#define HN_TX_DATA_SEGSIZE PAGE_SIZE		#define HN_TX_DATA_SEGSIZE PAGE_SIZE
#define HN_TX_DATA_SEGCNT_MAX \		/* -1 for RNDIS packet message */
(NETVSC_PACKET_MAXPAGE - HV_RF_NUM_TX_RESERVED_PAGE_BUFS)		#define HN_TX_DATA_SEGCNT_MAX (NETVSC_PACKET_MAXPAGE - 1)

#define HN_DIRECT_TX_SIZE_DEF 128		#define HN_DIRECT_TX_SIZE_DEF 128

#define HN_EARLY_TXEOF_THRESH 8		#define HN_EARLY_TXEOF_THRESH 8

struct hn_txdesc {		struct hn_txdesc {
#ifndef HN_USE_TXDESC_BUFRING		#ifndef HN_USE_TXDESC_BUFRING
SLIST_ENTRY(hn_txdesc) link;		SLIST_ENTRY(hn_txdesc) link;
▲ Show 20 Lines • Show All 479 Lines • ▼ Show 20 Lines	netvsc_detach(device_t dev)
* unloading.		* unloading.
*/		*/

/*		/*
* XXXKYS: Need to stop outgoing traffic and unregister		* XXXKYS: Need to stop outgoing traffic and unregister
* the netdevice.		* the netdevice.
*/		*/

hv_rf_on_device_remove(sc, HV_RF_NV_DESTROY_CHANNEL);		hv_rf_on_device_remove(sc);

hn_stop_tx_tasks(sc);		hn_stop_tx_tasks(sc);

ifmedia_removeall(&sc->hn_media);		ifmedia_removeall(&sc->hn_media);
hn_destroy_rx_data(sc);		hn_destroy_rx_data(sc);
hn_destroy_tx_data(sc);		hn_destroy_tx_data(sc);

if (sc->hn_tx_taskq != hn_tx_taskq)		if (sc->hn_tx_taskq != hn_tx_taskq)
▲ Show 20 Lines • Show All 361 Lines • ▼ Show 20 Lines	KASSERT(freed != 0,
("fail to free txd upon txdma error"));		("fail to free txd upon txdma error"));

txr->hn_txdma_failed++;		txr->hn_txdma_failed++;
if_inc_counter(txr->hn_sc->hn_ifp, IFCOUNTER_OERRORS, 1);		if_inc_counter(txr->hn_sc->hn_ifp, IFCOUNTER_OERRORS, 1);
return error;		return error;
}		}
*m_head0 = m_head;		*m_head0 = m_head;

txr->hn_gpa_cnt = nsegs + HV_RF_NUM_TX_RESERVED_PAGE_BUFS;		/* +1 RNDIS packet message */
		txr->hn_gpa_cnt = nsegs + 1;

/* send packet with page buffer */		/* send packet with page buffer */
txr->hn_gpa[0].gpa_page = atop(txd->rndis_msg_paddr);		txr->hn_gpa[0].gpa_page = atop(txd->rndis_msg_paddr);
txr->hn_gpa[0].gpa_ofs = txd->rndis_msg_paddr & PAGE_MASK;		txr->hn_gpa[0].gpa_ofs = txd->rndis_msg_paddr & PAGE_MASK;
txr->hn_gpa[0].gpa_len = rndis_msg_size;		txr->hn_gpa[0].gpa_len = rndis_msg_size;

/*		/*
* Fill the page buffers with mbuf info starting at index		* Fill the page buffers with mbuf info after the page
* HV_RF_NUM_TX_RESERVED_PAGE_BUFS.		* buffer for RNDIS packet message.
*/		*/
for (i = 0; i < nsegs; ++i) {		for (i = 0; i < nsegs; ++i) {
struct vmbus_gpa *gpa = &txr->hn_gpa[		struct vmbus_gpa *gpa = &txr->hn_gpa[i + 1];
i + HV_RF_NUM_TX_RESERVED_PAGE_BUFS];

gpa->gpa_page = atop(segs[i].ds_addr);		gpa->gpa_page = atop(segs[i].ds_addr);
gpa->gpa_ofs = segs[i].ds_addr & PAGE_MASK;		gpa->gpa_ofs = segs[i].ds_addr & PAGE_MASK;
gpa->gpa_len = segs[i].ds_len;		gpa->gpa_len = segs[i].ds_len;
}		}

send_buf_section_idx = HN_NVS_CHIM_IDX_INVALID;		send_buf_section_idx = HN_NVS_CHIM_IDX_INVALID;
send_buf_section_size = 0;		send_buf_section_size = 0;
▲ Show 20 Lines • Show All 517 Lines • ▼ Show 20 Lines	if (retry_cnt == 0) {
error = EINVAL;		error = EINVAL;
break;		break;
}		}

/* We must remove and add back the device to cause the new		/* We must remove and add back the device to cause the new
* MTU to take effect. This includes tearing down, but not		* MTU to take effect. This includes tearing down, but not
* deleting the channel, then bringing it back up.		* deleting the channel, then bringing it back up.
*/		*/
error = hv_rf_on_device_remove(sc, HV_RF_NV_RETAIN_CHANNEL);		error = hv_rf_on_device_remove(sc);
if (error) {		if (error) {
NV_LOCK(sc);		NV_LOCK(sc);
sc->temp_unusable = FALSE;		sc->temp_unusable = FALSE;
NV_UNLOCK(sc);		NV_UNLOCK(sc);
break;		break;
}		}

/* Wait for subchannels to be destroyed */		/* Wait for subchannels to be destroyed */
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