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Diffstat (limited to 'src/vnet/tcp/tcp.c')
-rw-r--r--src/vnet/tcp/tcp.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index 7f1e63e7b84..e447fac00b5 100644
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -904,6 +904,18 @@ tcp_set_attribute (tcp_connection_t *tc, transport_endpt_attr_t *attr)
tc->cfg_flags |= TCP_CFG_F_NO_TSO;
tc->cfg_flags &= ~TCP_CFG_F_TSO;
}
+ if (attr->flags & TRANSPORT_ENDPT_ATTR_F_RATE_SAMPLING)
+ {
+ if (!(tc->cfg_flags & TCP_CFG_F_RATE_SAMPLE))
+ tcp_bt_init (tc);
+ tc->cfg_flags |= TCP_CFG_F_RATE_SAMPLE;
+ }
+ else
+ {
+ if (tc->cfg_flags & TCP_CFG_F_RATE_SAMPLE)
+ tcp_bt_cleanup (tc);
+ tc->cfg_flags &= ~TCP_CFG_F_RATE_SAMPLE;
+ }
break;
case TRANSPORT_ENDPT_ATTR_CC_ALGO:
if (tc->cc_algo == tcp_cc_algo_get (attr->cc_algo))
@@ -941,6 +953,8 @@ tcp_get_attribute (tcp_connection_t *tc, transport_endpt_attr_t *attr)
attr->flags |= TRANSPORT_ENDPT_ATTR_F_CSUM_OFFLOAD;
if (tc->cfg_flags & TCP_CFG_F_TSO)
attr->flags |= TRANSPORT_ENDPT_ATTR_F_GSO;
+ if (tc->cfg_flags & TCP_CFG_F_RATE_SAMPLE)
+ attr->flags |= TRANSPORT_ENDPT_ATTR_F_RATE_SAMPLING;
break;
case TRANSPORT_ENDPT_ATTR_CC_ALGO:
attr->cc_algo = tc->cc_algo - tcp_main.cc_algos;