/**
* recv_msg - handle incoming TIPC message from an InfiniBand interface
*
* Accept only packets explicitly sent to this node, or broadcast packets;
* ignores packets sent using InfiniBand multicast, and traffic sent to other
* nodes (which can happen if interface is running in promiscuous mode).
*/
static int recv_msg(struct sk_buff *buf, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev)
{
struct ib_bearer *ib_ptr = (struct ib_bearer *)pt->af_packet_priv;
if (!net_eq(dev_net(dev), &init_net)) {
kfree_skb(buf);
return 0;
}
if (likely(ib_ptr->bearer)) {
if (likely(buf->pkt_type <= PACKET_BROADCAST)) {
buf->next = NULL;
tipc_recv_msg(buf, ib_ptr->bearer);
return 0;
}
}
kfree_skb(buf);
return 0;
}
static int recv_msg(struct sk_buff *buf, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev)
{
struct eth_bearer *eb_ptr = (struct eth_bearer *)pt->af_packet_priv;
u32 size;
if (likely(eb_ptr->bearer)) {
size = msg_size((struct tipc_msg *)buf->data);
skb_trim(buf, size);
if (likely(buf->len == size)) {
buf->next = NULL;
tipc_recv_msg(buf, eb_ptr->bearer);
} else {
kfree_skb(buf);
}
} else {
kfree_skb(buf);
}
return TIPC_OK;
}
static int recv_msg(struct sk_buff *buf, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev)
{
struct eth_bearer *eb_ptr = (struct eth_bearer *)pt->af_packet_priv;
u32 size;
if (likely(eb_ptr->bearer)) {
if (likely(!dev->promiscuity) ||
!memcmp(buf->mac.raw,dev->dev_addr,ETH_ALEN) ||
!memcmp(buf->mac.raw,dev->broadcast,ETH_ALEN)) {
size = msg_size((struct tipc_msg *)buf->data);
skb_trim(buf, size);
if (likely(buf->len == size)) {
buf->next = NULL;
tipc_recv_msg(buf, eb_ptr->bearer);
return TIPC_OK;
}
}
}
kfree_skb(buf);
return TIPC_OK;
}
