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-rw-r--r--net/l2tp/l2tp_core.c58
-rw-r--r--net/l2tp/l2tp_eth.c11
-rw-r--r--net/l2tp/l2tp_ip.c15
-rw-r--r--net/l2tp/l2tp_ip6.c15
-rw-r--r--net/l2tp/l2tp_ppp.c8
5 files changed, 6 insertions, 101 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 701fc72ad9f4..077f7952912d 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -660,7 +660,6 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb,
int length)
{
struct l2tp_tunnel *tunnel = session->tunnel;
- u32 ns = 0, nr = 0;
int offset;
/* Parse and check optional cookie */
@@ -686,32 +685,21 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb,
L2TP_SKB_CB(skb)->has_seq = 0;
if (tunnel->version == L2TP_HDR_VER_2) {
if (hdrflags & L2TP_HDRFLAG_S) {
- ns = ntohs(*(__be16 *)ptr);
- ptr += 2;
- nr = ntohs(*(__be16 *)ptr);
- ptr += 2;
-
/* Store L2TP info in the skb */
- L2TP_SKB_CB(skb)->ns = ns;
+ L2TP_SKB_CB(skb)->ns = ntohs(*(__be16 *)ptr);
L2TP_SKB_CB(skb)->has_seq = 1;
+ ptr += 2;
+ /* Skip past nr in the header */
+ ptr += 2;
- l2tp_dbg(session, L2TP_MSG_SEQ,
- "%s: recv data ns=%u, nr=%u, session nr=%u\n",
- session->name, ns, nr, session->nr);
}
} else if (session->l2specific_type == L2TP_L2SPECTYPE_DEFAULT) {
u32 l2h = ntohl(*(__be32 *)ptr);
if (l2h & 0x40000000) {
- ns = l2h & 0x00ffffff;
-
/* Store L2TP info in the skb */
- L2TP_SKB_CB(skb)->ns = ns;
+ L2TP_SKB_CB(skb)->ns = l2h & 0x00ffffff;
L2TP_SKB_CB(skb)->has_seq = 1;
-
- l2tp_dbg(session, L2TP_MSG_SEQ,
- "%s: recv data ns=%u, session nr=%u\n",
- session->name, ns, session->nr);
}
ptr += 4;
}
@@ -853,16 +841,6 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb)
goto error;
}
- /* Trace packet contents, if enabled */
- if (tunnel->debug & L2TP_MSG_DATA) {
- length = min(32u, skb->len);
- if (!pskb_may_pull(skb, length))
- goto error;
-
- pr_debug("%s: recv\n", tunnel->name);
- print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, skb->data, length);
- }
-
/* Point to L2TP header */
optr = skb->data;
ptr = skb->data;
@@ -883,12 +861,8 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb)
length = skb->len;
/* If type is control packet, it is handled by userspace. */
- if (hdrflags & L2TP_HDRFLAG_T) {
- l2tp_dbg(tunnel, L2TP_MSG_DATA,
- "%s: recv control packet, len=%d\n",
- tunnel->name, length);
+ if (hdrflags & L2TP_HDRFLAG_T)
goto error;
- }
/* Skip flags */
ptr += 2;
@@ -953,9 +927,6 @@ int l2tp_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
if (!tunnel)
goto pass_up;
- l2tp_dbg(tunnel, L2TP_MSG_DATA, "%s: received %d bytes\n",
- tunnel->name, skb->len);
-
if (l2tp_udp_recv_core(tunnel, skb))
goto pass_up;
@@ -1049,23 +1020,6 @@ static void l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb,
unsigned int len = skb->len;
int error;
- /* Debug */
- if (session->send_seq)
- l2tp_dbg(session, L2TP_MSG_DATA, "%s: send %zd bytes, ns=%u\n",
- session->name, data_len, session->ns - 1);
- else
- l2tp_dbg(session, L2TP_MSG_DATA, "%s: send %zd bytes\n",
- session->name, data_len);
-
- if (session->debug & L2TP_MSG_DATA) {
- int uhlen = (tunnel->encap == L2TP_ENCAPTYPE_UDP) ? sizeof(struct udphdr) : 0;
- unsigned char *datap = skb->data + uhlen;
-
- pr_debug("%s: xmit\n", session->name);
- print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
- datap, min_t(size_t, 32, len - uhlen));
- }
-
/* Queue the packet to IP for output */
skb->ignore_df = 1;
skb_dst_drop(skb);
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index 7ed2b4eced94..657edad1263e 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -128,17 +128,6 @@ static void l2tp_eth_dev_recv(struct l2tp_session *session, struct sk_buff *skb,
struct net_device *dev;
struct l2tp_eth *priv;
- if (session->debug & L2TP_MSG_DATA) {
- unsigned int length;
-
- length = min(32u, skb->len);
- if (!pskb_may_pull(skb, length))
- goto error;
-
- pr_debug("%s: eth recv\n", session->name);
- print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, skb->data, length);
- }
-
if (!pskb_may_pull(skb, ETH_HLEN))
goto error;
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index df2a35b5714a..7086d97f293c 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -118,7 +118,6 @@ static int l2tp_ip_recv(struct sk_buff *skb)
struct l2tp_session *session;
struct l2tp_tunnel *tunnel = NULL;
struct iphdr *iph;
- int length;
if (!pskb_may_pull(skb, 4))
goto discard;
@@ -147,20 +146,6 @@ static int l2tp_ip_recv(struct sk_buff *skb)
if (!tunnel)
goto discard_sess;
- /* Trace packet contents, if enabled */
- if (tunnel->debug & L2TP_MSG_DATA) {
- length = min(32u, skb->len);
- if (!pskb_may_pull(skb, length))
- goto discard_sess;
-
- /* Point to L2TP header */
- optr = skb->data;
- ptr = skb->data;
- ptr += 4;
- pr_debug("%s: ip recv\n", tunnel->name);
- print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length);
- }
-
if (l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr))
goto discard_sess;
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index bc757bc7e264..409ea8927f6c 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -131,7 +131,6 @@ static int l2tp_ip6_recv(struct sk_buff *skb)
struct l2tp_session *session;
struct l2tp_tunnel *tunnel = NULL;
struct ipv6hdr *iph;
- int length;
if (!pskb_may_pull(skb, 4))
goto discard;
@@ -160,20 +159,6 @@ static int l2tp_ip6_recv(struct sk_buff *skb)
if (!tunnel)
goto discard_sess;
- /* Trace packet contents, if enabled */
- if (tunnel->debug & L2TP_MSG_DATA) {
- length = min(32u, skb->len);
- if (!pskb_may_pull(skb, length))
- goto discard_sess;
-
- /* Point to L2TP header */
- optr = skb->data;
- ptr = skb->data;
- ptr += 4;
- pr_debug("%s: ip recv\n", tunnel->name);
- print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length);
- }
-
if (l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr))
goto discard_sess;
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 13c3153b40d6..ee1663a3ca7b 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -237,17 +237,9 @@ static void pppol2tp_recv(struct l2tp_session *session, struct sk_buff *skb, int
if (sk->sk_state & PPPOX_BOUND) {
struct pppox_sock *po;
- l2tp_dbg(session, L2TP_MSG_DATA,
- "%s: recv %d byte data frame, passing to ppp\n",
- session->name, data_len);
-
po = pppox_sk(sk);
ppp_input(&po->chan, skb);
} else {
- l2tp_dbg(session, L2TP_MSG_DATA,
- "%s: recv %d byte data frame, passing to L2TP socket\n",
- session->name, data_len);
-
if (sock_queue_rcv_skb(sk, skb) < 0) {
atomic_long_inc(&session->stats.rx_errors);
kfree_skb(skb);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 02:13:51 +0000