bonding: move processing of recv handlers into handle_frame()
Since now when bonding uses rx_handler, all traffic going into bond
device goes thru bond_handle_frame. So there's no need to go back into
bonding code later via ptype handlers. This patch converts
original ptype handlers into "bonding receive probes". These functions
are called from bond_handle_frame and they are registered per-mode.
Note that vlan packets are also handled because they are always untagged
thanks to vlan_untag()
Note that this also allows arpmon for eth-bond-bridge-vlan topology.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index ba71582..3b7b040 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -308,49 +308,33 @@
_unlock_rx_hashtbl(bond);
}
-static int rlb_arp_recv(struct sk_buff *skb, struct net_device *bond_dev, struct packet_type *ptype, struct net_device *orig_dev)
+static void rlb_arp_recv(struct sk_buff *skb, struct bonding *bond,
+ struct slave *slave)
{
- struct bonding *bond;
- struct arp_pkt *arp = (struct arp_pkt *)skb->data;
- int res = NET_RX_DROP;
+ struct arp_pkt *arp;
- while (bond_dev->priv_flags & IFF_802_1Q_VLAN)
- bond_dev = vlan_dev_real_dev(bond_dev);
+ if (skb->protocol != cpu_to_be16(ETH_P_ARP))
+ return;
- if (!(bond_dev->priv_flags & IFF_BONDING) ||
- !(bond_dev->flags & IFF_MASTER))
- goto out;
-
+ arp = (struct arp_pkt *) skb->data;
if (!arp) {
pr_debug("Packet has no ARP data\n");
- goto out;
+ return;
}
- skb = skb_share_check(skb, GFP_ATOMIC);
- if (!skb)
- goto out;
-
- if (!pskb_may_pull(skb, arp_hdr_len(bond_dev)))
- goto out;
+ if (!pskb_may_pull(skb, arp_hdr_len(bond->dev)))
+ return;
if (skb->len < sizeof(struct arp_pkt)) {
pr_debug("Packet is too small to be an ARP\n");
- goto out;
+ return;
}
if (arp->op_code == htons(ARPOP_REPLY)) {
/* update rx hash table for this ARP */
- bond = netdev_priv(bond_dev);
rlb_update_entry_from_arp(bond, arp);
pr_debug("Server received an ARP Reply from client\n");
}
-
- res = NET_RX_SUCCESS;
-
-out:
- dev_kfree_skb(skb);
-
- return res;
}
/* Caller must hold bond lock for read */
@@ -759,7 +743,6 @@
static int rlb_initialize(struct bonding *bond)
{
struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
- struct packet_type *pk_type = &(BOND_ALB_INFO(bond).rlb_pkt_type);
struct rlb_client_info *new_hashtbl;
int size = RLB_HASH_TABLE_SIZE * sizeof(struct rlb_client_info);
int i;
@@ -784,13 +767,8 @@
_unlock_rx_hashtbl(bond);
- /*initialize packet type*/
- pk_type->type = cpu_to_be16(ETH_P_ARP);
- pk_type->dev = bond->dev;
- pk_type->func = rlb_arp_recv;
-
/* register to receive ARPs */
- dev_add_pack(pk_type);
+ bond->recv_probe = rlb_arp_recv;
return 0;
}
@@ -799,8 +777,6 @@
{
struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
- dev_remove_pack(&(bond_info->rlb_pkt_type));
-
_lock_rx_hashtbl(bond);
kfree(bond_info->rx_hashtbl);