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authorLorenzo Bianconi <lorenzo.bianconi@redhat.com>2017-12-22 15:10:18 +0100
committerDavid S. Miller <davem@davemloft.net>2017-12-27 12:11:51 -0500
commitf15bc54eeecd86dfba3885aab839cd1f45172a38 (patch)
treeb0ce5e53ca229d324ba653f64b9cc4ac34dd8e4b /net/l2tp/l2tp_debugfs.c
parentl2tp: fix missing print session offset info (diff)
downloadlinux-dev-f15bc54eeecd86dfba3885aab839cd1f45172a38.tar.xz
linux-dev-f15bc54eeecd86dfba3885aab839cd1f45172a38.zip
l2tp: add peer_offset parameter
Introduce peer_offset parameter in order to add the capability to specify two different values for payload offset on tx/rx side. If just offset is provided by userspace use it for rx side as well in order to maintain compatibility with older l2tp versions Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp/l2tp_debugfs.c')
-rw-r--r--net/l2tp/l2tp_debugfs.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c
index eb69411bcb47..4cc30b38aba4 100644
--- a/net/l2tp/l2tp_debugfs.c
+++ b/net/l2tp/l2tp_debugfs.c
@@ -180,8 +180,9 @@ static void l2tp_dfs_seq_session_show(struct seq_file *m, void *v)
session->lns_mode ? "LNS" : "LAC",
session->debug,
jiffies_to_msecs(session->reorder_timeout));
- seq_printf(m, " offset %hu l2specific %hu/%hu\n",
- session->offset, session->l2specific_type, session->l2specific_len);
+ seq_printf(m, " offset %hu peer_offset %hu l2specific %hu/%hu\n",
+ session->offset, session->peer_offset,
+ session->l2specific_type, session->l2specific_len);
if (session->cookie_len) {
seq_printf(m, " cookie %02x%02x%02x%02x",
session->cookie[0], session->cookie[1],
@@ -228,7 +229,8 @@ static int l2tp_dfs_seq_show(struct seq_file *m, void *v)
seq_puts(m, " debug tx-pkts/bytes/errs rx-pkts/bytes/errs\n");
seq_puts(m, " SESSION ID, peer ID, PWTYPE\n");
seq_puts(m, " refcnt cnt\n");
- seq_puts(m, " offset OFFSET l2specific TYPE/LEN\n");
+ seq_puts(m, " offset OFFSET peer_offset OFFSET");
+ seq_puts(m, " l2specific TYPE/LEN\n");
seq_puts(m, " [ cookie ]\n");
seq_puts(m, " [ peer cookie ]\n");
seq_puts(m, " config mtu/mru/rcvseq/sendseq/dataseq/lns debug reorderto\n");