static int lw_ap_sock_open(struct lw_psr_port_priv *psr_ppriv)
{
struct lw_ap_port_priv *ap_ppriv = lw_ap_ppriv_get(psr_ppriv);
struct sock_fprog fprog;
struct sock_filter arp_vlan_rpl_flt[ARRAY_SIZE(arp_vlan_rpl_flt)];
if (ap_ppriv->vlanid_in_use) {
memcpy(&arp_vlan_rpl_flt, arp_vlan_rpl_fprog.filter,
sizeof(arp_vlan_rpl_flt));
fprog = arp_vlan_rpl_fprog;
fprog.filter = arp_vlan_rpl_flt;
SET_FILTER_VLANID(&fprog, ap_ppriv->vlanid);
} else {
fprog = arp_novlan_rpl_fprog;
}
return teamd_packet_sock_open(&psr_ppriv->sock,
psr_ppriv->common.tdport->ifindex,
htons(ETH_P_ARP), &fprog, &arp_rpl_fprog);
}
static int lw_nsnap_sock_open(struct lw_psr_port_priv *psr_ppriv)
{
struct lw_nsnap_port_priv *nsnap_ppriv = lw_nsnap_ppriv_get(psr_ppriv);
int err;
/*
* We use two sockets here. NS packets are send through ICMP6 socket.
* With this socket, unfortunately, kernel does not provide a way to
* deliver incoming ICMP6 packet on inactive ports into userspace.
* So we use packet socket to get these packets.
*/
err = teamd_packet_sock_open(&psr_ppriv->sock,
psr_ppriv->common.tdport->ifindex,
htons(ETH_P_ALL), &na_fprog, NULL);
if (err)
return err;
err = icmp6_sock_open(&nsnap_ppriv->tx_sock);
if (err)
goto close_packet_sock;
return 0;
close_packet_sock:
close(psr_ppriv->sock);
return err;
}
