diff options
Diffstat (limited to 'net/l2tp/l2tp_ppp.c')
| -rw-r--r-- | net/l2tp/l2tp_ppp.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 3ad290dd830..bee5b1413ec 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -670,7 +670,7 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, /* Check that this session doesn't already exist */ error = -EEXIST; - session = l2tp_session_find(tunnel, sp->pppol2tp.s_session); + session = l2tp_session_find(sock_net(sk), tunnel, sp->pppol2tp.s_session); if (session != NULL) goto end; @@ -678,7 +678,6 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, * headers. */ cfg.mtu = cfg.mru = 1500 - PPPOL2TP_HEADER_OVERHEAD; - cfg.hdr_len = PPPOL2TP_L2TP_HDR_SIZE_NOSEQ; cfg.debug = tunnel->debug; /* Allocate and initialize a new session context. */ @@ -999,7 +998,7 @@ static int pppol2tp_tunnel_ioctl(struct l2tp_tunnel *tunnel, if (stats.session_id != 0) { /* resend to session ioctl handler */ struct l2tp_session *session = - l2tp_session_find(tunnel, stats.session_id); + l2tp_session_find(sock_net(sk), tunnel, stats.session_id); if (session != NULL) err = pppol2tp_session_ioctl(session, cmd, arg); else @@ -1375,6 +1374,8 @@ end: /***************************************************************************** * /proc filesystem for debug + * Since the original pppol2tp driver provided /proc/net/pppol2tp for + * L2TPv2, we dump only L2TPv2 tunnels and sessions here. *****************************************************************************/ static unsigned int pppol2tp_net_id; @@ -1391,14 +1392,24 @@ struct pppol2tp_seq_data { static void pppol2tp_next_tunnel(struct net *net, struct pppol2tp_seq_data *pd) { - pd->tunnel = l2tp_tunnel_find_nth(net, pd->tunnel_idx); - pd->tunnel_idx++; + for (;;) { + pd->tunnel = l2tp_tunnel_find_nth(net, pd->tunnel_idx); + pd->tunnel_idx++; + + if (pd->tunnel == NULL) + break; + + /* Ignore L2TPv3 tunnels */ + if (pd->tunnel->version < 3) + break; + } } static void pppol2tp_next_session(struct net *net, struct pppol2tp_seq_data *pd) { pd->session = l2tp_session_find_nth(pd->tunnel, pd->session_idx); pd->session_idx++; + if (pd->session == NULL) { pd->session_idx = 0; pppol2tp_next_tunnel(net, pd); |