| Message ID | 20171027193638.17823-1-haiyangz@exchange.microsoft.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
| Series | [net-next] hv_netvsc: Set tx_table to equal weight after subchannels open | expand |
From: Haiyang Zhang <haiyangz@exchange.microsoft.com> Date: Fri, 27 Oct 2017 12:36:38 -0700 > From: Haiyang Zhang <haiyangz@microsoft.com> > > In some cases, like internal vSwitch, the host doesn't provide > send indirection table updates. This patch sets the table to be > equal weight after subchannels are all open. Otherwise, all workload > will be on one TX channel. > > As tested, this patch has largely increased the throughput over > internal vSwitch. > > Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Applied to net-next, thanks.
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index addf9f69c58c..0648eebda829 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -1114,6 +1114,9 @@ void rndis_set_subchannel(struct work_struct *w) netif_set_real_num_tx_queues(ndev, nvdev->num_chn); netif_set_real_num_rx_queues(ndev, nvdev->num_chn); + for (i = 0; i < VRSS_SEND_TAB_SIZE; i++) + ndev_ctx->tx_table[i] = i % nvdev->num_chn; + rtnl_unlock(); return;