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-rw-r--r--net/sctp/probe.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/net/sctp/probe.c b/net/sctp/probe.c
index cd72ae57aff1..53c452efb40b 100644
--- a/net/sctp/probe.c
+++ b/net/sctp/probe.c
@@ -46,6 +46,10 @@ static int port __read_mostly = 0;
MODULE_PARM_DESC(port, "Port to match (0=all)");
module_param(port, int, 0);
+static unsigned int fwmark __read_mostly = 0;
+MODULE_PARM_DESC(fwmark, "skb mark to match (0=no mark)");
+module_param(fwmark, uint, 0);
+
static int bufsize __read_mostly = 64 * 1024;
MODULE_PARM_DESC(bufsize, "Log buffer size (default 64k)");
module_param(bufsize, int, 0);
@@ -129,15 +133,19 @@ static sctp_disposition_t jsctp_sf_eat_sack(struct net *net,
void *arg,
sctp_cmd_seq_t *commands)
{
+ struct sctp_chunk *chunk = arg;
+ struct sk_buff *skb = chunk->skb;
struct sctp_transport *sp;
static __u32 lcwnd = 0;
struct timespec now;
sp = asoc->peer.primary_path;
- if ((full || sp->cwnd != lcwnd) &&
- (!port || asoc->peer.port == port ||
- ep->base.bind_addr.port == port)) {
+ if (((port == 0 && fwmark == 0) ||
+ asoc->peer.port == port ||
+ ep->base.bind_addr.port == port ||
+ (fwmark > 0 && skb->mark == fwmark)) &&
+ (full || sp->cwnd != lcwnd)) {
lcwnd = sp->cwnd;
getnstimeofday(&now);
@@ -198,8 +206,8 @@ static __init int sctpprobe_init(void)
if (ret)
goto remove_proc;
- pr_info("probe registered (port=%d)\n", port);
-
+ pr_info("probe registered (port=%d/fwmark=%u) bufsize=%u\n",
+ port, fwmark, bufsize);
return 0;
remove_proc: