int sc_socket_recvpacket(struct sock* sk, struct sk_buff* skb) {
TRACEKMOD("### sc_socket_recvpacket\n");
/* */
CAPWAP_SKB_CB(skb)->flags = SKB_CAPWAP_FLAG_FROM_DATA_CHANNEL;
/* */
sc_capwap_recvpacket(skb);
return 0;
}
int sc_capwap_send(struct sc_capwap_session *session, uint8_t* buffer, int length)
{
struct kvec vec = {
.iov_base = buffer,
.iov_len = length,
};
struct msghdr msg = {
.msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL,
};
TRACEKMOD("### sc_capwap_send\n");
return kernel_sendmsg(session->socket, &msg, &vec, 1, vec.iov_len);
}
int sc_capwap_recvpacket(struct sock *sk, struct sk_buff* skb)
{
struct sc_capwap_session* session;
TRACEKMOD("### sc_capwap_recvpacket\n");
CAPWAP_SKB_CB(skb)->flags = SKB_CAPWAP_FLAG_FROM_DATA_CHANNEL;
sock_hold(sk);
/* Get session */
session = (struct sc_capwap_session *)sk->sk_user_data;
if (!session) {
TRACEKMOD("*** Session not found\n");
goto drop;
}
/* Remove UDP header */
if (!skb_pull(skb, sizeof(struct udphdr))) {
TRACEKMOD("*** Invalid packet\n");
goto drop;
}
/* Parsing packet */
if (sc_capwap_parsingpacket(session, skb)) {
TRACEKMOD("*** Parsing error\n");
goto drop;
}
sock_put(sk);
return 0;
drop:
sock_put(sk);
kfree_skb(skb);
return 0;
}
/* */
struct sc_capwap_session* sc_capwap_recvunknownkeepalive(struct sc_capwap_session* session,
const struct sc_capwap_sessionid_element* sessionid)
{
TRACEKMOD("### sc_capwap_recvunknownkeepalive\n");
return NULL;
}