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authorEyal Bari <ebari@cisco.com>2018-05-16 11:30:23 +0300
committerDamjan Marion <dmarion.lists@gmail.com>2018-05-21 19:16:37 +0000
commitbd81bdf226c1dc03baaf05f17cf68fbb17bc5dd7 (patch)
tree2ca4ff0abb81fd144af40c30cc037a9055dfbc3a /src/plugins/dpdk/device/flow.c
parenta52e1668c9976bd5cdd20d02b668df41ea41f16f (diff)
dpdk:enable flow director perfect mode
when flows are enabled on the device Change-Id: I971764988d5a9e7078468f627205b3fa60736263 Signed-off-by: Eyal Bari <ebari@cisco.com>
Diffstat (limited to 'src/plugins/dpdk/device/flow.c')
-rw-r--r--src/plugins/dpdk/device/flow.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/src/plugins/dpdk/device/flow.c b/src/plugins/dpdk/device/flow.c
index af0c4b6e6bf..5080a9c83bc 100644
--- a/src/plugins/dpdk/device/flow.c
+++ b/src/plugins/dpdk/device/flow.c
@@ -178,7 +178,8 @@ dpdk_flow_ops_fn (vnet_main_t * vnm, vnet_flow_dev_op_t op, u32 dev_instance,
memset (fe, 0, sizeof (*fe));
pool_put (xd->flow_entries, fe);
- return 0;
+
+ goto disable_rx_offload;
}
if (op != VNET_FLOW_DEV_OP_ADD_FLOW)
@@ -208,6 +209,12 @@ dpdk_flow_ops_fn (vnet_main_t * vnm, vnet_flow_dev_op_t op, u32 dev_instance,
else
fe->mark = 0;
+ if ((xd->flags & DPDK_DEVICE_FLAG_RX_FLOW_OFFLOAD) == 0)
+ {
+ xd->flags |= DPDK_DEVICE_FLAG_RX_FLOW_OFFLOAD;
+ dpdk_device_setup (xd);
+ }
+
switch (flow->type)
{
case VNET_FLOW_TYPE_IP4_N_TUPLE:
@@ -242,6 +249,14 @@ done:
pool_put (xd->flow_lookup_entries, fle);
}
}
+disable_rx_offload:
+ if ((xd->flags & DPDK_DEVICE_FLAG_RX_FLOW_OFFLOAD) != 0
+ && pool_elts (xd->flow_entries) == 0)
+ {
+ xd->flags &= ~DPDK_DEVICE_FLAG_RX_FLOW_OFFLOAD;
+ dpdk_device_setup (xd);
+ }
+
return rv;
}