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Commit 4b972914 authored by Ajit Khaparde's avatar Ajit Khaparde Committed by David S. Miller
Browse files

be2net: add rxhash support 



Add rxhash support,
Based on initial work by Eric Dumazet.

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: default avatarAjit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c1e48efc

drivers/net/benet/be.h

+5 −0
Original line number Diff line number Diff line
@@ -485,6 +485,11 @@ static inline void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac) 
	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);

drivers/net/benet/be_ethtool.c

+13 −0
Original line number Diff line number Diff line
@@ -735,6 +735,18 @@ be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 
	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 @@ const struct ethtool_ops be_ethtool_ops = { 
	.get_regs = be_get_regs,

	.flash_device = be_do_flash,

	.self_test = be_self_test,

	.set_flags = be_set_flags,

};

drivers/net/benet/be_main.c

+12 −5
Original line number Diff line number Diff line
@@ -116,11 +116,6 @@ static char *ue_status_hi_desc[] = { 
	"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 @@ static void be_rx_compl_process(struct be_adapter *adapter, 


	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 @@ static void be_rx_compl_process_gro(struct be_adapter *adapter, 
	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 @@ static void be_parse_rx_compl_v1(struct be_adapter *adapter, 
		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 @@ static void be_parse_rx_compl_v0(struct be_adapter *adapter, 
		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 @@ static void be_netdev_init(struct net_device *netdev) 
		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;