be2net: add rxhash support
Add rxhash support,
Based on initial work by Eric Dumazet.
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index ea1ea82..ab5be05 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -485,6 +485,11 @@
memcpy(mac, adapter->netdev->dev_addr, 3);
}
+static inline bool be_multi_rxq(const struct be_adapter *adapter)
+{
+ return adapter->num_rx_qs > 1;
+}
+
extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
u16 num_popped);
extern void be_link_status_update(struct be_adapter *adapter, bool link_up);
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index a665697..1565c81 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -735,6 +735,18 @@
return status;
}
+static int be_set_flags(struct net_device *netdev, u32 data)
+{
+ struct be_adapter *adapter = netdev_priv(netdev);
+ int rc = -1;
+
+ if (be_multi_rxq(adapter))
+ rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_RXHASH |
+ ETH_FLAG_TXVLAN | ETH_FLAG_RXVLAN);
+
+ return rc;
+}
+
const struct ethtool_ops be_ethtool_ops = {
.get_settings = be_get_settings,
.get_drvinfo = be_get_drvinfo,
@@ -764,4 +776,5 @@
.get_regs = be_get_regs,
.flash_device = be_do_flash,
.self_test = be_self_test,
+ .set_flags = be_set_flags,
};
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 2c36853..d762c2a 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -116,11 +116,6 @@
"Unknown"
};
-static inline bool be_multi_rxq(struct be_adapter *adapter)
-{
- return (adapter->num_rx_qs > 1);
-}
-
static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q)
{
struct be_dma_mem *mem = &q->dma_mem;
@@ -1012,6 +1007,9 @@
skb->truesize = skb->len + sizeof(struct sk_buff);
skb->protocol = eth_type_trans(skb, adapter->netdev);
+ if (adapter->netdev->features & NETIF_F_RXHASH)
+ skb->rxhash = rxcp->rss_hash;
+
if (unlikely(rxcp->vlanf)) {
if (!adapter->vlan_grp || adapter->vlans_added == 0) {
@@ -1072,6 +1070,8 @@
skb->data_len = rxcp->pkt_size;
skb->truesize += rxcp->pkt_size;
skb->ip_summed = CHECKSUM_UNNECESSARY;
+ if (adapter->netdev->features & NETIF_F_RXHASH)
+ skb->rxhash = rxcp->rss_hash;
if (likely(!rxcp->vlanf))
napi_gro_frags(&eq_obj->napi);
@@ -1101,6 +1101,8 @@
AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl);
rxcp->pkt_type =
AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl);
+ rxcp->rss_hash =
+ AMAP_GET_BITS(struct amap_eth_rx_compl_v1, rsshash, rxcp);
if (rxcp->vlanf) {
rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm,
compl);
@@ -1131,6 +1133,8 @@
AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl);
rxcp->pkt_type =
AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl);
+ rxcp->rss_hash =
+ AMAP_GET_BITS(struct amap_eth_rx_compl_v0, rsshash, rxcp);
if (rxcp->vlanf) {
rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm,
compl);
@@ -2615,6 +2619,9 @@
NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_GRO | NETIF_F_TSO6;
+ if (be_multi_rxq(adapter))
+ netdev->features |= NETIF_F_RXHASH;
+
netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO |
NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;