diff options
Diffstat (limited to 'drivers/net/hyperv')
| -rw-r--r-- | drivers/net/hyperv/hyperv_net.h | 4 | ||||
| -rw-r--r-- | drivers/net/hyperv/netvsc_drv.c | 11 | ||||
| -rw-r--r-- | drivers/net/hyperv/rndis_filter.c | 9 |
3 files changed, 18 insertions, 6 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index fb547f37af1e..250bd90627a5 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -823,7 +823,8 @@ struct nvsp_message { #define NETVSC_SUPPORTED_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | \ NETIF_F_TSO | NETIF_F_IPV6_CSUM | \ - NETIF_F_TSO6 | NETIF_F_LRO | NETIF_F_SG) + NETIF_F_TSO6 | NETIF_F_LRO | \ + NETIF_F_SG | NETIF_F_RXHASH) #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ #define VRSS_CHANNEL_MAX 64 @@ -854,6 +855,7 @@ struct multi_recv_comp { struct nvsc_rsc { const struct ndis_pkt_8021q_info *vlan; const struct ndis_tcp_ip_checksum_info *csum_info; + const u32 *hash_info; u8 is_last; /* last RNDIS msg in a vmtransfer_page */ u32 cnt; /* #fragments in an RSC packet */ u32 pktlen; /* Full packet length */ diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 963509add611..868e22e286ca 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -285,9 +285,9 @@ static inline u32 netvsc_get_hash( else if (flow.basic.n_proto == htons(ETH_P_IPV6)) hash = jhash2((u32 *)&flow.addrs.v6addrs, 8, hashrnd); else - hash = 0; + return 0; - skb_set_hash(skb, hash, PKT_HASH_TYPE_L3); + __skb_set_sw_hash(skb, hash, false); } return hash; @@ -766,6 +766,7 @@ static struct sk_buff *netvsc_alloc_recv_skb(struct net_device *net, const struct ndis_pkt_8021q_info *vlan = nvchan->rsc.vlan; const struct ndis_tcp_ip_checksum_info *csum_info = nvchan->rsc.csum_info; + const u32 *hash_info = nvchan->rsc.hash_info; struct sk_buff *skb; int i; @@ -795,14 +796,16 @@ static struct sk_buff *netvsc_alloc_recv_skb(struct net_device *net, skb->protocol == htons(ETH_P_IP)) netvsc_comp_ipcsum(skb); - /* Do L4 checksum offload if enabled and present. - */ + /* Do L4 checksum offload if enabled and present. */ if (csum_info && (net->features & NETIF_F_RXCSUM)) { if (csum_info->receive.tcp_checksum_succeeded || csum_info->receive.udp_checksum_succeeded) skb->ip_summed = CHECKSUM_UNNECESSARY; } + if (hash_info && (net->features & NETIF_F_RXHASH)) + skb_set_hash(skb, *hash_info, PKT_HASH_TYPE_L4); + if (vlan) { u16 vlan_tci = vlan->vlanid | (vlan->pri << VLAN_PRIO_SHIFT) | (vlan->cfi ? VLAN_CFI_MASK : 0); diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index abaf8156d19d..206b4e77eaf0 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -358,6 +358,7 @@ static inline void rsc_add_data(struct netvsc_channel *nvchan, const struct ndis_pkt_8021q_info *vlan, const struct ndis_tcp_ip_checksum_info *csum_info, + const u32 *hash_info, void *data, u32 len) { u32 cnt = nvchan->rsc.cnt; @@ -368,6 +369,7 @@ void rsc_add_data(struct netvsc_channel *nvchan, nvchan->rsc.vlan = vlan; nvchan->rsc.csum_info = csum_info; nvchan->rsc.pktlen = len; + nvchan->rsc.hash_info = hash_info; } nvchan->rsc.data[cnt] = data; @@ -385,6 +387,7 @@ static int rndis_filter_receive_data(struct net_device *ndev, const struct ndis_tcp_ip_checksum_info *csum_info; const struct ndis_pkt_8021q_info *vlan; const struct rndis_pktinfo_id *pktinfo_id; + const u32 *hash_info; u32 data_offset; void *data; bool rsc_more = false; @@ -411,6 +414,8 @@ static int rndis_filter_receive_data(struct net_device *ndev, csum_info = rndis_get_ppi(rndis_pkt, TCPIP_CHKSUM_PKTINFO, 0); + hash_info = rndis_get_ppi(rndis_pkt, NBL_HASH_VALUE, 0); + pktinfo_id = rndis_get_ppi(rndis_pkt, RNDIS_PKTINFO_ID, 1); data = (void *)msg + data_offset; @@ -441,7 +446,8 @@ static int rndis_filter_receive_data(struct net_device *ndev, * rndis_pkt->data_len tell us the real data length, we only copy * the data packet to the stack, without the rndis trailer padding */ - rsc_add_data(nvchan, vlan, csum_info, data, rndis_pkt->data_len); + rsc_add_data(nvchan, vlan, csum_info, hash_info, + data, rndis_pkt->data_len); if (rsc_more) return NVSP_STAT_SUCCESS; @@ -1208,6 +1214,7 @@ static int rndis_netdev_set_hwcaps(struct rndis_device *rndis_device, /* Compute tx offload settings based on hw capabilities */ net->hw_features |= NETIF_F_RXCSUM; net->hw_features |= NETIF_F_SG; + net->hw_features |= NETIF_F_RXHASH; if ((hwcaps.csum.ip4_txcsum & NDIS_TXCSUM_ALL_TCP4) == NDIS_TXCSUM_ALL_TCP4) { /* Can checksum TCP */ |