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hyperv/hn: Ignore the useless TX table.

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MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7514
This commit is contained in:
Sepherosa Ziehau 2016-08-17 05:14:26 +00:00
parent 86afc9b625
commit 46911ec745
2 changed files with 10 additions and 34 deletions
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41
sys/dev/hyperv/netvsc/hv_net_vsc.c
View File

@ -930,44 +930,17 @@ hv_nv_on_receive_completion(struct vmbus_channel *chan, uint64_t tid,
}
}
/*
* Net VSC receiving vRSS send table from VSP
*/
static void
hv_nv_send_table(struct hn_softc *sc, const struct vmbus_chanpkt_hdr *pkt)
hn_proc_notify(struct hn_softc *sc, const struct vmbus_chanpkt_hdr *pkt)
{
netvsc_dev *net_dev;
const nvsp_msg *nvsp_msg_pkt;
int i;
uint32_t count;
const uint32_t *table;
const struct hn_nvs_hdr *hdr;
net_dev = hv_nv_get_inbound_net_device(sc);
if (!net_dev)
return;
nvsp_msg_pkt = VMBUS_CHANPKT_CONST_DATA(pkt);
if (nvsp_msg_pkt->hdr.msg_type !=
nvsp_msg5_type_send_indirection_table) {
printf("Netvsc: !Warning! receive msg type not "
"send_indirection_table. type = %d\n",
nvsp_msg_pkt->hdr.msg_type);
hdr = VMBUS_CHANPKT_CONST_DATA(pkt);
if (hdr->nvs_type == HN_NVS_TYPE_TXTBL_NOTE) {
/* Useless; ignore */
return;
}
count = nvsp_msg_pkt->msgs.vers_5_msgs.send_table.count;
if (count != VRSS_SEND_TABLE_SIZE) {
printf("Netvsc: Received wrong send table size: %u\n", count);
return;
}
table = (const uint32_t *)
((const uint8_t *)&nvsp_msg_pkt->msgs.vers_5_msgs.send_table +
nvsp_msg_pkt->msgs.vers_5_msgs.send_table.offset);
for (i = 0; i < count; i++)
net_dev->vrss_send_table[i] = table[i];
if_printf(sc->hn_ifp, "got notify, nvs type %u\n", hdr->nvs_type);
}
/*
@ -1005,7 +978,7 @@ hv_nv_on_channel_callback(struct vmbus_channel *chan, void *xrxr)
hv_nv_on_receive(net_dev, rxr, chan, pkt);
break;
case VMBUS_CHANPKT_TYPE_INBAND:
hv_nv_send_table(sc, pkt);
hn_proc_notify(sc, pkt);
break;
default:
if_printf(rxr->hn_ifp,

3
sys/dev/hyperv/netvsc/if_hnreg.h
View File

@ -59,8 +59,11 @@
#define HN_NVS_TYPE_CHIM_DISCONN 106
#define HN_NVS_TYPE_RNDIS 107
#define HN_NVS_TYPE_NDIS_CONF 125
#define HN_NVS_TYPE_VFASSOC_NOTE 128 /* notification */
#define HN_NVS_TYPE_SET_DATAPATH 129
#define HN_NVS_TYPE_SUBCH_REQ 133
#define HN_NVS_TYPE_SUBCH_RESP 133 /* same as SUBCH_REQ */
#define HN_NVS_TYPE_TXTBL_NOTE 134 /* notification */
/*
* Any size less than this one will _not_ work, e.g. hn_nvs_init