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authorDamjan Marion <damarion@cisco.com>2017-04-28 12:29:15 +0200
committerFlorin Coras <florin.coras@gmail.com>2017-05-02 16:34:32 +0000
commit4403690cda44134af3b9ea78d33a5cbf78a5acc9 (patch)
tree14d79f4342d1ec0ee993db2bacdd0eb9abcc2c63 /src/vnet/devices/devices.c
parentc12311b86fb27114cdd3fa4ad9a5897a98448184 (diff)
Add interface rx mode commands, unify rx mode and placement CLI
Change-Id: Ib506c3e9d66170f29e3266ad6dc4d32b829befba Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vnet/devices/devices.c')
-rw-r--r--src/vnet/devices/devices.c172
1 files changed, 22 insertions, 150 deletions
diff --git a/src/vnet/devices/devices.c b/src/vnet/devices/devices.c
index 2f55adcb20f..d75d905a88d 100644
--- a/src/vnet/devices/devices.c
+++ b/src/vnet/devices/devices.c
@@ -119,8 +119,8 @@ vnet_device_queue_update (vnet_main_t * vnm, vnet_device_input_runtime_t * rt)
}
void
-vnet_device_input_assign_thread (vnet_main_t * vnm, u32 hw_if_index,
- u16 queue_id, uword thread_index)
+vnet_hw_interface_assign_rx_thread (vnet_main_t * vnm, u32 hw_if_index,
+ u16 queue_id, uword thread_index)
{
vnet_device_main_t *vdm = &vnet_device_main;
vlib_main_t *vm;
@@ -149,16 +149,19 @@ vnet_device_input_assign_thread (vnet_main_t * vnm, u32 hw_if_index,
dq->hw_if_index = hw_if_index;
dq->dev_instance = hw->dev_instance;
dq->queue_id = queue_id;
+ dq->mode = VNET_HW_INTERFACE_RX_MODE_POLLING;
vnet_device_queue_update (vnm, rt);
vec_validate (hw->input_node_thread_index_by_queue, queue_id);
+ vec_validate (hw->rx_mode_by_queue, queue_id);
hw->input_node_thread_index_by_queue[queue_id] = thread_index;
+ hw->rx_mode_by_queue[queue_id] = VNET_HW_INTERFACE_RX_MODE_POLLING;
vlib_node_set_state (vm, hw->input_node_index, rt->enabled_node_state);
}
int
-vnet_device_input_unassign_thread (vnet_main_t * vnm, u32 hw_if_index,
- u16 queue_id, uword thread_index)
+vnet_hw_interface_unassign_rx_thread (vnet_main_t * vnm, u32 hw_if_index,
+ u16 queue_id)
{
vlib_main_t *vm;
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
@@ -190,6 +193,7 @@ vnet_device_input_unassign_thread (vnet_main_t * vnm, u32 hw_if_index,
deleted:
vnet_device_queue_update (vnm, rt);
+ hw->rx_mode_by_queue[queue_id] = VNET_HW_INTERFACE_RX_MODE_UNKNOWN;
if (vec_len (rt->devices_and_queues) == 0)
vlib_node_set_state (vm, hw->input_node_index, VLIB_NODE_STATE_DISABLED);
@@ -199,21 +203,28 @@ deleted:
int
-vnet_device_input_set_mode (vnet_main_t * vnm, u32 hw_if_index, u16 queue_id,
- vnet_device_input_mode_t mode)
+vnet_hw_interface_set_rx_mode (vnet_main_t * vnm, u32 hw_if_index,
+ u16 queue_id, vnet_hw_interface_rx_mode 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);
+ ASSERT (mode < VNET_HW_INTERFACE_NUM_RX_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)
+ if (hw->input_node_thread_index_by_queue == 0 || hw->rx_mode_by_queue == 0)
return VNET_API_ERROR_INVALID_INTERFACE;
+ if (hw->rx_mode_by_queue[queue_id] == mode)
+ return 0;
+
+ if (mode != VNET_HW_INTERFACE_RX_MODE_POLLING &&
+ (hw->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE) == 0)
+ return VNET_API_ERROR_UNSUPPORTED;
+
thread_index = hw->input_node_thread_index_by_queue[queue_id];
vm = vlib_mains[thread_index];
@@ -223,7 +234,7 @@ vnet_device_input_set_mode (vnet_main_t * vnm, u32 hw_if_index, u16 queue_id,
{
if (dq->hw_if_index == hw_if_index && dq->queue_id == queue_id)
dq->mode = mode;
- if (dq->mode == VNET_DEVICE_INPUT_MODE_POLLING)
+ if (dq->mode == VNET_HW_INTERFACE_RX_MODE_POLLING)
is_polling = 1;
}
@@ -244,8 +255,8 @@ vnet_device_input_set_mode (vnet_main_t * vnm, u32 hw_if_index, u16 queue_id,
}
int
-vnet_device_input_get_mode (vnet_main_t * vnm, u32 hw_if_index, u16 queue_id,
- vnet_device_input_mode_t * mode)
+vnet_hw_interface_get_rx_mode (vnet_main_t * vnm, u32 hw_if_index,
+ u16 queue_id, vnet_hw_interface_rx_mode * mode)
{
vlib_main_t *vm;
uword thread_index;
@@ -271,146 +282,7 @@ vnet_device_input_get_mode (vnet_main_t * vnm, u32 hw_if_index, u16 queue_id,
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)
-{
- u8 *s = 0;
- vnet_main_t *vnm = vnet_get_main ();
- vnet_device_input_runtime_t *rt;
- vnet_device_and_queue_t *dq;
- vlib_node_t *pn = vlib_get_node_by_name (vm, (u8 *) "device-input");
- uword si;
- int index = 0;
-
- /* *INDENT-OFF* */
- foreach_vlib_main (({
- clib_bitmap_foreach (si, pn->sibling_bitmap,
- ({
- rt = vlib_node_get_runtime_data (this_vlib_main, si);
-
- if (vec_len (rt->devices_and_queues))
- s = format (s, " node %U:\n", format_vlib_node_name, vm, si);
-
- vec_foreach (dq, rt->devices_and_queues)
- {
- s = format (s, " %U queue %u (%s)\n",
- format_vnet_sw_if_index_name, vnm, dq->hw_if_index,
- dq->queue_id,
- dq->mode == VNET_DEVICE_INPUT_MODE_POLLING ?
- "polling" : "interrupt");
- }
- }));
- if (vec_len (s) > 0)
- {
- vlib_cli_output(vm, "Thread %u (%v):\n%v", index,
- vlib_worker_threads[index].name, s);
- vec_reset_length (s);
- }
- index++;
- }));
- /* *INDENT-ON* */
-
- vec_free (s);
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (memif_delete_command, static) = {
- .path = "show interface placement",
- .short_help = "show interface placement",
- .function = show_device_placement_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-set_device_placement (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- clib_error_t *error = 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;
- int rv;
-
- if (!unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat
- (line_input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
- ;
- else if (unformat (line_input, "queue %d", &queue_id))
- ;
- else if (unformat (line_input, "main", &thread_index))
- thread_index = 0;
- else if (unformat (line_input, "worker %d", &thread_index))
- thread_index += vdm->first_worker_thread_index;
- else
- {
- error = clib_error_return (0, "parse error: '%U'",
- format_unformat_error, line_input);
- unformat_free (line_input);
- return error;
- }
- }
-
- unformat_free (line_input);
-
- if (hw_if_index == (u32) ~ 0)
- return clib_error_return (0, "please specify valid interface name");
-
- if (thread_index > vdm->last_worker_thread_index)
- return clib_error_return (0,
- "please specify valid worker thread or main");
-
- 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 (vnm, hw_if_index, queue_id, thread_index);
- vnet_device_input_set_mode (vnm, hw_if_index, queue_id, mode);
-
- return 0;
-}
-
-/*?
- * This command is used to assign a given interface, and optionally a
- * given queue, to a different thread. If the '<em>queue</em>' is not provided,
- * it defaults to 0.
- *
- * @cliexpar
- * Example of how to display the interface placement:
- * @cliexstart{show interface placement}
- * Thread 1 (vpp_wk_0):
- * GigabitEthernet0/8/0 queue 0
- * GigabitEthernet0/9/0 queue 0
- * Thread 2 (vpp_wk_1):
- * GigabitEthernet0/8/0 queue 1
- * GigabitEthernet0/9/0 queue 1
- * @cliexend
- * Example of how to assign a interface and queue to a thread:
- * @cliexcmd{set interface placement GigabitEthernet0/8/0 queue 1 thread 1}
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (cmd_set_dpdk_if_placement,static) = {
- .path = "set interface placement",
- .short_help = "set interface placement <interface> [queue <n>] [thread <n> | main]",
- .function = set_device_placement,
-};
-/* *INDENT-ON* */
static clib_error_t *
vnet_device_init (vlib_main_t * vm)