l2tp: drop data_seq

This option can't be set by user and is never printed. Furthermore,
L2TP_ATTR_DATA_SEQ has always been a noop in Linux.

Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David Ahern <dsahern@gmail.com>

diff --git a/ip/ipl2tp.c b/ip/ipl2tp.c
index 05e9638725055c3bb509ecdc47235633a6496425..aca9912cd5c0daeec09364037b1c15c43cb63c7d 100644 (file)
--- a/ip/ipl2tp.c
+++ b/ip/ipl2tp.c
@@ -60,7 +60,6 @@ struct l2tp_parm {
        unsigned int recv_seq:1;
        unsigned int send_seq:1;
        unsigned int lns_mode:1;
-       unsigned int data_seq:2;
        unsigned int tunnel:1;
        unsigned int session:1;
        int reorder_timeout;
@@ -167,8 +166,6 @@ static int create_session(struct l2tp_parm *p)
                addattr8(&req.n, 1024, L2TP_ATTR_SEND_SEQ, 1);
        if (p->lns_mode)
                addattr(&req.n, 1024, L2TP_ATTR_LNS_MODE);
-       if (p->data_seq)
-               addattr8(&req.n, 1024, L2TP_ATTR_DATA_SEQ, p->data_seq);
        if (p->reorder_timeout)
                addattr64(&req.n, 1024, L2TP_ATTR_RECV_TIMEOUT,
                                          p->reorder_timeout);
@@ -359,8 +356,6 @@ static int get_response(struct nlmsghdr *n, void *arg)
                p->pw_type = rta_getattr_u16(attrs[L2TP_ATTR_PW_TYPE]);
        if (attrs[L2TP_ATTR_ENCAP_TYPE])
                p->encap = rta_getattr_u16(attrs[L2TP_ATTR_ENCAP_TYPE]);
-       if (attrs[L2TP_ATTR_DATA_SEQ])
-               p->data_seq = rta_getattr_u16(attrs[L2TP_ATTR_DATA_SEQ]);
        if (attrs[L2TP_ATTR_CONN_ID])
                p->tunnel_id = rta_getattr_u32(attrs[L2TP_ATTR_CONN_ID]);
        if (attrs[L2TP_ATTR_PEER_CONN_ID])