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impelment station binding to wlanid

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* add a kernel bash hash list to track station to
  radio and wlan id binding
* enforce binding on recv
* configure binding through netlink interface from
  WTP process
This commit is contained in:
Andreas Schultz
2016-02-18 19:36:22 +01:00
parent a6d0efe91a
commit cc5b38f322
10 changed files with 263 additions and 45 deletions
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11
src/wtp/kmod/capwap.c
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@ -37,8 +37,10 @@ static void sc_capwap_fragment_free(struct sc_capwap_fragment* fragment)
/* */
static void sc_capwap_freesession(struct sc_capwap_session* session)
{
int i;
struct sc_capwap_fragment* temp;
struct sc_capwap_fragment* fragment;
struct sc_station *sta;
TRACEKMOD("### sc_capwap_freesession\n");
@ -46,6 +48,13 @@ static void sc_capwap_freesession(struct sc_capwap_session* session)
list_for_each_entry_safe(fragment, temp, &session->fragments.lru_list, lru_list) {
sc_capwap_fragment_free(fragment);
}
for (i = 0; i < STA_HASH_SIZE; i++) {
hlist_for_each_entry_rcu(sta, &session->station_list[i], station_list) {
hlist_del_rcu(&sta->station_list);
kfree_rcu(sta, rcu_head);
}
}
}
/* */
@ -410,6 +419,8 @@ int sc_capwap_bind(struct sc_capwap_session *session, int protocol, struct socka
if (ret < 0)
goto err_close;
rcu_assign_sk_user_data(session->socket->sk, session);
/* Set callback */
udp_sk(session->socket->sk)->encap_type = 1;
udp_sk(session->socket->sk)->encap_rcv = sc_capwap_recvpacket;