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hyperv: Add IPv6 into the hash computation for vRSS 

This will allow the workload spreading via vRSS for IPv6.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Haiyang Zhang 2014-10-30 14:07:17 -07:00 committed by David S. Miller
parent acf722f734
commit 4c87454a47
2 changed files with 5 additions and 2 deletions
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4
drivers/net/hyperv/netvsc_drv.c
View File

@ -193,7 +193,9 @@ static bool netvsc_set_hash(u32 *hash, struct sk_buff *skb)
struct flow_keys flow;
int data_len;
if (!skb_flow_dissect(skb, &flow) || flow.n_proto != htons(ETH_P_IP))
if (!skb_flow_dissect(skb, &flow) ||
!(flow.n_proto == htons(ETH_P_IP) ||
flow.n_proto == htons(ETH_P_IPV6)))
return false;
if (flow.ip_proto == IPPROTO_TCP)

3
drivers/net/hyperv/rndis_filter.c
View File

@ -728,7 +728,8 @@ int rndis_filter_set_rss_param(struct rndis_device *rdev, int num_queue)
rssp->hdr.size = sizeof(struct ndis_recv_scale_param);
rssp->flag = 0;
rssp->hashinfo = NDIS_HASH_FUNC_TOEPLITZ | NDIS_HASH_IPV4 |
NDIS_HASH_TCP_IPV4;
NDIS_HASH_TCP_IPV4 | NDIS_HASH_IPV6 |
NDIS_HASH_TCP_IPV6;
rssp->indirect_tabsize = 4*ITAB_NUM;
rssp->indirect_taboffset = sizeof(struct ndis_recv_scale_param);
rssp->hashkey_size = HASH_KEYLEN;