diff options
Diffstat (limited to 'net/l2tp/l2tp_core.c')
| -rw-r--r-- | net/l2tp/l2tp_core.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 6ff64717da1e..786cd7f6a5e8 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -780,10 +780,8 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb, } } - /* Session data offset is handled differently for L2TPv2 and - * L2TPv3. For L2TPv2, there is an optional 16-bit value in - * the header. For L2TPv3, the offset is negotiated using AVPs - * in the session setup control protocol. + /* Session data offset is defined only for L2TPv2 and is + * indicated by an optional 16-bit value in the header. */ if (tunnel->version == L2TP_HDR_VER_2) { /* If offset bit set, skip it. */ @@ -791,8 +789,7 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb, offset = ntohs(*(__be16 *)ptr); ptr += 2 + offset; } - } else - ptr += session->peer_offset; + } offset = ptr - optr; if (!pskb_may_pull(skb, offset)) @@ -1068,8 +1065,6 @@ static int l2tp_build_l2tpv3_header(struct l2tp_session *session, void *buf) } bufp += session->l2specific_len; } - if (session->offset) - bufp += session->offset; return bufp - optr; } @@ -1734,7 +1729,7 @@ void l2tp_session_set_header_len(struct l2tp_session *session, int version) if (session->send_seq) session->hdr_len += 4; } else { - session->hdr_len = 4 + session->cookie_len + session->l2specific_len + session->offset; + session->hdr_len = 4 + session->cookie_len + session->l2specific_len; if (session->tunnel->encap == L2TP_ENCAPTYPE_UDP) session->hdr_len += 4; } @@ -1784,8 +1779,6 @@ struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunn session->recv_seq = cfg->recv_seq; session->lns_mode = cfg->lns_mode; session->reorder_timeout = cfg->reorder_timeout; - session->offset = cfg->offset; - session->peer_offset = cfg->peer_offset; session->l2specific_type = cfg->l2specific_type; session->l2specific_len = cfg->l2specific_len; session->cookie_len = cfg->cookie_len; |