Commit 34b37e20 authored by Maor Gottlieb's avatar Maor Gottlieb Committed by Saeed Mahameed
Browse files

bonding/alb: Add helper functions to get the xmit slave 



Add two helper functions to get the xmit slave of bond in alb or tlb
mode. Extract the logic of find the xmit slave from the xmit flow
to function. Xmit flow will xmit through this slave and in the
following patches the new .ndo will call to the helper function
to return the xmit slave.

Signed-off-by: default avatarMaor Gottlieb <maorg@mellanox.com>
Reviewed-by: default avatarJiri Pirko <jiri@mellanox.com>
Reviewed-by: default avatarJay Vosburgh <jay.vosburgh@canonical.com>
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent ed7d4f02

drivers/net/bonding/bond_alb.c

+26 −9
Original line number Diff line number Diff line
@@ -1334,11 +1334,11 @@ out: 
	return NETDEV_TX_OK;

}



netdev_tx_t bond_tlb_xmit(struct sk_buff *skb, struct net_device *bond_dev)

struct slave *bond_xmit_tlb_slave_get(struct bonding *bond,

				      struct sk_buff *skb)

{

	struct bonding *bond = netdev_priv(bond_dev);

	struct ethhdr *eth_data;

	struct slave *tx_slave = NULL;

	struct ethhdr *eth_data;

	u32 hash_index;



	skb_reset_mac_header(skb);
@@ -1369,20 +1369,29 @@ netdev_tx_t bond_tlb_xmit(struct sk_buff *skb, struct net_device *bond_dev) 
			break;

		}

	}

	return bond_do_alb_xmit(skb, bond, tx_slave);

	return tx_slave;

}



netdev_tx_t bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev)

netdev_tx_t bond_tlb_xmit(struct sk_buff *skb, struct net_device *bond_dev)

{

	struct bonding *bond = netdev_priv(bond_dev);

	struct ethhdr *eth_data;

	struct slave *tx_slave;



	tx_slave = bond_xmit_tlb_slave_get(bond, skb);

	return bond_do_alb_xmit(skb, bond, tx_slave);

}



struct slave *bond_xmit_alb_slave_get(struct bonding *bond,

				      struct sk_buff *skb)

{

	struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));

	struct slave *tx_slave = NULL;

	static const __be32 ip_bcast = htonl(0xffffffff);

	int hash_size = 0;

	struct slave *tx_slave = NULL;

	const u8 *hash_start = NULL;

	bool do_tx_balance = true;

	struct ethhdr *eth_data;

	u32 hash_index = 0;

	const u8 *hash_start = NULL;

	int hash_size = 0;



	skb_reset_mac_header(skb);

	eth_data = eth_hdr(skb);
@@ -1501,7 +1510,15 @@ netdev_tx_t bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev) 
						       count];

		}

	}

	return tx_slave;

}



netdev_tx_t bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev)

{

	struct bonding *bond = netdev_priv(bond_dev);

	struct slave *tx_slave = NULL;



	tx_slave = bond_xmit_alb_slave_get(bond, skb);

	return bond_do_alb_xmit(skb, bond, tx_slave);

}

include/net/bond_alb.h

+4 −0
Original line number Diff line number Diff line
@@ -158,6 +158,10 @@ void bond_alb_handle_link_change(struct bonding *bond, struct slave *slave, char 
void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave);

int bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev);

int bond_tlb_xmit(struct sk_buff *skb, struct net_device *bond_dev);

struct slave *bond_xmit_alb_slave_get(struct bonding *bond,

				      struct sk_buff *skb);

struct slave *bond_xmit_tlb_slave_get(struct bonding *bond,

				      struct sk_buff *skb);

void bond_alb_monitor(struct work_struct *);

int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr);

void bond_alb_clear_vlan(struct bonding *bond, unsigned short vlan_id);

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