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-rw-r--r--sys/netinet/tcp_output.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c
index b7ec6f7..55d3c8e 100644
--- a/sys/netinet/tcp_output.c
+++ b/sys/netinet/tcp_output.c
@@ -40,6 +40,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/domain.h>
+#include <sys/hhook.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mbuf.h>
@@ -126,9 +127,33 @@ SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, sendbuf_max, CTLFLAG_RW,
&VNET_NAME(tcp_autosndbuf_max), 0,
"Max size of automatic send buffer");
+static void inline hhook_run_tcp_est_out(struct tcpcb *tp,
+ struct tcphdr *th, struct tcpopt *to,
+ long len, int tso);
static void inline cc_after_idle(struct tcpcb *tp);
/*
+ * Wrapper for the TCP established ouput helper hook.
+ */
+static void inline
+hhook_run_tcp_est_out(struct tcpcb *tp, struct tcphdr *th,
+ struct tcpopt *to, long len, int tso)
+{
+ struct tcp_hhook_data hhook_data;
+
+ if (V_tcp_hhh[HHOOK_TCP_EST_OUT]->hhh_nhooks > 0) {
+ hhook_data.tp = tp;
+ hhook_data.th = th;
+ hhook_data.to = to;
+ hhook_data.len = len;
+ hhook_data.tso = tso;
+
+ hhook_run_hooks(V_tcp_hhh[HHOOK_TCP_EST_OUT], &hhook_data,
+ tp->osd);
+ }
+}
+
+/*
* CC wrapper hook functions
*/
static void inline
@@ -1134,6 +1159,9 @@ timer:
tp->snd_max = tp->snd_nxt + len;
}
+ /* Run HHOOK_TCP_ESTABLISHED_OUT helper hooks. */
+ hhook_run_tcp_est_out(tp, th, &to, len, tso);
+
#ifdef TCPDEBUG
/*
* Trace.
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