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Diffstat (limited to 'net/ipv4/tcp_probe.c')
-rw-r--r--net/ipv4/tcp_probe.c35
1 files changed, 14 insertions, 21 deletions
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index 611beab38a0..3b66610d415 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -38,7 +38,7 @@ MODULE_DESCRIPTION("TCP cwnd snooper");
MODULE_LICENSE("GPL");
MODULE_VERSION("1.1");
-static int port __read_mostly = 0;
+static int port __read_mostly;
MODULE_PARM_DESC(port, "Port to match (0=all)");
module_param(port, int, 0);
@@ -46,7 +46,7 @@ static unsigned int bufsize __read_mostly = 4096;
MODULE_PARM_DESC(bufsize, "Log buffer size in packets (4096)");
module_param(bufsize, uint, 0);
-static unsigned int fwmark __read_mostly = 0;
+static unsigned int fwmark __read_mostly;
MODULE_PARM_DESC(fwmark, "skb mark to match (0=no mark)");
module_param(fwmark, uint, 0);
@@ -101,22 +101,6 @@ static inline int tcp_probe_avail(void)
si4.sin_addr.s_addr = inet->inet_##mem##addr; \
} while (0) \
-#if IS_ENABLED(CONFIG_IPV6)
-#define tcp_probe_copy_fl_to_si6(inet, si6, mem) \
- do { \
- struct ipv6_pinfo *pi6 = inet->pinet6; \
- si6.sin6_family = AF_INET6; \
- si6.sin6_port = inet->inet_##mem##port; \
- si6.sin6_addr = pi6->mem##addr; \
- si6.sin6_flowinfo = 0; /* No need here. */ \
- si6.sin6_scope_id = 0; /* No need here. */ \
- } while (0)
-#else
-#define tcp_probe_copy_fl_to_si6(fl, si6, mem) \
- do { \
- memset(&si6, 0, sizeof(si6)); \
- } while (0)
-#endif
/*
* Hook inserted to be called before each receive packet.
@@ -147,8 +131,17 @@ static void jtcp_rcv_established(struct sock *sk, struct sk_buff *skb,
tcp_probe_copy_fl_to_si4(inet, p->dst.v4, d);
break;
case AF_INET6:
- tcp_probe_copy_fl_to_si6(inet, p->src.v6, s);
- tcp_probe_copy_fl_to_si6(inet, p->dst.v6, d);
+ memset(&p->src.v6, 0, sizeof(p->src.v6));
+ memset(&p->dst.v6, 0, sizeof(p->dst.v6));
+#if IS_ENABLED(CONFIG_IPV6)
+ p->src.v6.sin6_family = AF_INET6;
+ p->src.v6.sin6_port = inet->inet_sport;
+ p->src.v6.sin6_addr = inet6_sk(sk)->saddr;
+
+ p->dst.v6.sin6_family = AF_INET6;
+ p->dst.v6.sin6_port = inet->inet_dport;
+ p->dst.v6.sin6_addr = sk->sk_v6_daddr;
+#endif
break;
default:
BUG();
@@ -161,7 +154,7 @@ static void jtcp_rcv_established(struct sock *sk, struct sk_buff *skb,
p->snd_wnd = tp->snd_wnd;
p->rcv_wnd = tp->rcv_wnd;
p->ssthresh = tcp_current_ssthresh(sk);
- p->srtt = tp->srtt >> 3;
+ p->srtt = tp->srtt_us >> 3;
tcp_probe.head = (tcp_probe.head + 1) & (bufsize - 1);
}