return 0;
}
+static void
+vnet_device_queue_update (vnet_main_t * vnm, vnet_device_input_runtime_t * rt)
+{
+ vnet_device_and_queue_t *dq;
+ vnet_hw_interface_t *hw;
+
+ vec_sort_with_function (rt->devices_and_queues, vnet_device_queue_sort);
+
+ vec_foreach (dq, rt->devices_and_queues)
+ {
+ hw = vnet_get_hw_interface (vnm, dq->hw_if_index);
+ vec_validate (hw->dq_runtime_index_by_queue, dq->queue_id);
+ hw->dq_runtime_index_by_queue[dq->queue_id] = dq - rt->devices_and_queues;
+ }
+}
+
void
-vnet_device_input_assign_thread (u32 hw_if_index,
+vnet_device_input_assign_thread (vnet_main_t * vnm, u32 hw_if_index,
u16 queue_id, uword thread_index)
{
- vnet_main_t *vnm = vnet_get_main ();
vnet_device_main_t *vdm = &vnet_device_main;
vlib_main_t *vm;
vnet_device_input_runtime_t *rt;
dq->dev_instance = hw->dev_instance;
dq->queue_id = queue_id;
- vec_sort_with_function (rt->devices_and_queues, vnet_device_queue_sort);
+ vnet_device_queue_update (vnm, rt);
vec_validate (hw->input_node_thread_index_by_queue, queue_id);
hw->input_node_thread_index_by_queue[queue_id] = thread_index;
+ vlib_node_set_state (vm, hw->input_node_index, rt->enabled_node_state);
}
-static int
-vnet_device_input_unassign_thread (u32 hw_if_index, u16 queue_id,
- uword thread_index)
+int
+vnet_device_input_unassign_thread (vnet_main_t * vnm, u32 hw_if_index,
+ u16 queue_id, uword thread_index)
{
- vnet_main_t *vnm = vnet_get_main ();
+ vlib_main_t *vm;
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
vnet_device_input_runtime_t *rt;
vnet_device_and_queue_t *dq;
old_thread_index = hw->input_node_thread_index_by_queue[queue_id];
- if (old_thread_index == thread_index)
- return 0;
+ vm = vlib_mains[old_thread_index];
- rt =
- vlib_node_get_runtime_data (vlib_mains[old_thread_index],
- hw->input_node_index);
+ rt = vlib_node_get_runtime_data (vm, hw->input_node_index);
vec_foreach (dq, rt->devices_and_queues)
if (dq->hw_if_index == hw_if_index && dq->queue_id == queue_id)
return VNET_API_ERROR_INVALID_INTERFACE;
deleted:
- vec_sort_with_function (rt->devices_and_queues, vnet_device_queue_sort);
+
+ vnet_device_queue_update (vnm, rt);
+
+ if (vec_len (rt->devices_and_queues) == 0)
+ vlib_node_set_state (vm, hw->input_node_index, VLIB_NODE_STATE_DISABLED);
+
+ return 0;
+}
+
+
+int
+vnet_device_input_set_mode (vnet_main_t * vnm, u32 hw_if_index, u16 queue_id,
+ vnet_device_input_mode_t mode)
+{
+ vlib_main_t *vm;
+ uword thread_index;
+ vnet_device_and_queue_t *dq;
+ vlib_node_state_t enabled_node_state;
+ ASSERT (mode < VNET_DEVICE_INPUT_N_MODES);
+ vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
+ vnet_device_input_runtime_t *rt;
+ int is_polling = 0;
+
+ if (hw->input_node_thread_index_by_queue == 0)
+ return VNET_API_ERROR_INVALID_INTERFACE;
+
+ thread_index = hw->input_node_thread_index_by_queue[queue_id];
+ vm = vlib_mains[thread_index];
+
+ rt = vlib_node_get_runtime_data (vm, hw->input_node_index);
+
+ vec_foreach (dq, rt->devices_and_queues)
+ {
+ if (dq->hw_if_index == hw_if_index && dq->queue_id == queue_id)
+ dq->mode = mode;
+ if (dq->mode == VNET_DEVICE_INPUT_MODE_POLLING)
+ is_polling = 1;
+ }
+
+ if (is_polling)
+ enabled_node_state = VLIB_NODE_STATE_POLLING;
+ else
+ enabled_node_state = VLIB_NODE_STATE_INTERRUPT;
+
+ if (rt->enabled_node_state != enabled_node_state)
+ {
+ rt->enabled_node_state = enabled_node_state;
+ if (vlib_node_get_state (vm, hw->input_node_index) !=
+ VLIB_NODE_STATE_DISABLED)
+ vlib_node_set_state (vm, hw->input_node_index, enabled_node_state);
+ }
return 0;
}
+int
+vnet_device_input_get_mode (vnet_main_t * vnm, u32 hw_if_index, u16 queue_id,
+ vnet_device_input_mode_t * mode)
+{
+ vlib_main_t *vm;
+ uword thread_index;
+ vnet_device_and_queue_t *dq;
+ vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
+ vnet_device_input_runtime_t *rt;
+
+ if (hw->input_node_thread_index_by_queue == 0)
+ return VNET_API_ERROR_INVALID_INTERFACE;
+
+ thread_index = hw->input_node_thread_index_by_queue[queue_id];
+ vm = vlib_mains[thread_index];
+
+ rt = vlib_node_get_runtime_data (vm, hw->input_node_index);
+
+ vec_foreach (dq, rt->devices_and_queues)
+ if (dq->hw_if_index == hw_if_index && dq->queue_id == queue_id)
+ {
+ *mode = dq->mode;
+ return 0;
+ }
+
+ return VNET_API_ERROR_INVALID_INTERFACE;
+}
+
static clib_error_t *
show_device_placement_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
vec_foreach (dq, rt->devices_and_queues)
{
- s = format (s, " %U queue %u\n",
+ s = format (s, " %U queue %u (%s)\n",
format_vnet_sw_if_index_name, vnm, dq->hw_if_index,
- dq->queue_id);
+ dq->queue_id,
+ dq->mode == VNET_DEVICE_INPUT_MODE_POLLING ?
+ "polling" : "interrupt");
}
}));
if (vec_len (s) > 0)
unformat_input_t _line_input, *line_input = &_line_input;
vnet_main_t *vnm = vnet_get_main ();
vnet_device_main_t *vdm = &vnet_device_main;
+ vnet_device_input_mode_t mode;
u32 hw_if_index = (u32) ~ 0;
u32 queue_id = (u32) 0;
u32 thread_index = (u32) ~ 0;
return clib_error_return (0,
"please specify valid worker thread or main");
- rv =
- vnet_device_input_unassign_thread (hw_if_index, queue_id, thread_index);
+ rv = vnet_device_input_get_mode (vnm, hw_if_index, queue_id, &mode);
+
+ if (rv)
+ return clib_error_return (0, "not found");
+
+ rv = vnet_device_input_unassign_thread (vnm, hw_if_index, queue_id,
+ thread_index);
if (rv)
return clib_error_return (0, "not found");
- vnet_device_input_assign_thread (hw_if_index, queue_id, thread_index);
+ vnet_device_input_assign_thread (vnm, hw_if_index, queue_id, thread_index);
+ vnet_device_input_set_mode (vnm, hw_if_index, queue_id, mode);
return 0;
}
Code Review / vpp.git / blobdiff