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authorMohsin Kazmi <sykazmi@cisco.com>2022-08-30 13:29:06 +0000
committerBeno�t Ganne <bganne@cisco.com>2022-08-31 09:15:31 +0000
commit89733a15ce329a69bb37ea91ceab7a50064ec0a0 (patch)
treeea817f63b00b8dedbb4ba1e300e13ecdb09de44d /src/vnet/devices/af_packet/node.c
parent36cb2f03ae4448332869ca1d43c88ed91609f45b (diff)
devices: add support for polling mode
Type: improvement Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> Change-Id: I8d84dc8b7f5c5e863c32838cfafc3d366e2a7e00
Diffstat (limited to 'src/vnet/devices/af_packet/node.c')
-rw-r--r--src/vnet/devices/af_packet/node.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/src/vnet/devices/af_packet/node.c b/src/vnet/devices/af_packet/node.c
index 1fc061982c1..0e522c913ad 100644
--- a/src/vnet/devices/af_packet/node.c
+++ b/src/vnet/devices/af_packet/node.c
@@ -504,12 +504,15 @@ af_packet_device_input_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
done:
- if ((((block_desc_t *) (block_start = rx_queue->rx_ring[block]))
- ->hdr.bh1.block_status &
- TP_STATUS_USER) != 0)
- vlib_node_set_state (vm, node->node_index, VLIB_NODE_STATE_POLLING);
- else
- vlib_node_set_state (vm, node->node_index, VLIB_NODE_STATE_INTERRUPT);
+ if (apm->polling_count == 0)
+ {
+ if ((((block_desc_t *) (block_start = rx_queue->rx_ring[block]))
+ ->hdr.bh1.block_status &
+ TP_STATUS_USER) != 0)
+ vlib_node_set_state (vm, node->node_index, VLIB_NODE_STATE_POLLING);
+ else
+ vlib_node_set_state (vm, node->node_index, VLIB_NODE_STATE_INTERRUPT);
+ }
vlib_error_count (vm, node->node_index, AF_PACKET_INPUT_ERROR_TOTAL_RECV_BLK,
total);