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authorFlorin Coras <fcoras@cisco.com>2017-11-27 04:34:14 -0500
committerDave Barach <openvpp@barachs.net>2017-11-28 13:21:26 +0000
commitf988e696149f42828444c69762c036d9684b6bb0 (patch)
tree8e62fbd53a713e64be7c0441f0399aa023a949d8 /src/vnet/tcp/tcp.h
parentaf6f93a4eb4740ac13b1d65eb44da442976fa809 (diff)
tcp: fix retransmissions under buffer shortage
- add debugging scaffolding for simulating buffer shortage Change-Id: Ice519d74f9c4e4094c4586c548185135b7bb5f2d Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp.h')
-rw-r--r--src/vnet/tcp/tcp.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index b057b883fd8..1ddfac0ce96 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -410,6 +410,9 @@ typedef struct _tcp_main
u8 punt_unknown4;
u8 punt_unknown6;
+
+ /** fault-injection */
+ f64 buffer_fail_fraction;
} tcp_main_t;
extern tcp_main_t tcp_main;
@@ -432,6 +435,15 @@ tcp_buffer_hdr (vlib_buffer_t * b)
+ vnet_buffer (b)->tcp.hdr_offset);
}
+#if (VLIB_BUFFER_TRACE_TRAJECTORY)
+#define tcp_trajectory_add_start(b, start) \
+{ \
+ (*vlib_buffer_trace_trajectory_cb) (b, start); \
+}
+#else
+#define tcp_trajectory_add_start(b, start)
+#endif
+
clib_error_t *vnet_tcp_enable_disable (vlib_main_t * vm, u8 is_en);
void tcp_punt_unknown (vlib_main_t * vm, u8 is_ip4, u8 is_add);