diff options
| -rwxr-xr-x | src/plugins/dpdk/device/init.c | 10 | ||||
| -rw-r--r-- | src/vnet/api_errno.h | 3 | ||||
| -rw-r--r-- | src/vnet/devices/af_packet/af_packet.c | 18 | ||||
| -rw-r--r-- | src/vnet/devices/devices.c | 172 | ||||
| -rw-r--r-- | src/vnet/devices/devices.h | 34 | ||||
| -rw-r--r-- | src/vnet/interface.h | 15 | ||||
| -rw-r--r-- | src/vnet/interface_cli.c | 238 | ||||
| -rw-r--r-- | src/vnet/interface_format.c | 17 | ||||
| -rw-r--r-- | src/vnet/interface_funcs.h | 1 |
9 files changed, 326 insertions, 182 deletions
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c index 6f51ff64..2d21bfd9 100755 --- a/src/plugins/dpdk/device/init.c +++ b/src/plugins/dpdk/device/init.c @@ -704,8 +704,8 @@ dpdk_lib_init (dpdk_main_t * dm) sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index); xd->vlib_sw_if_index = sw->sw_if_index; - vnet_set_device_input_node (dm->vnet_main, xd->hw_if_index, - dpdk_input_node.index); + vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index, + dpdk_input_node.index); if (devconf->workers) { @@ -713,7 +713,7 @@ dpdk_lib_init (dpdk_main_t * dm) q = 0; /* *INDENT-OFF* */ clib_bitmap_foreach (i, devconf->workers, ({ - vnet_device_input_assign_thread (dm->vnet_main, xd->hw_if_index, q++, + vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++, vdm->first_worker_thread_index + i); })); /* *INDENT-ON* */ @@ -721,8 +721,8 @@ dpdk_lib_init (dpdk_main_t * dm) else for (q = 0; q < xd->rx_q_used; q++) { - vnet_device_input_assign_thread (dm->vnet_main, xd->hw_if_index, q, /* any */ - ~1); + vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */ + ~1); } hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index); diff --git a/src/vnet/api_errno.h b/src/vnet/api_errno.h index 0d5b2227..b87c197f 100644 --- a/src/vnet/api_errno.h +++ b/src/vnet/api_errno.h @@ -109,7 +109,8 @@ _(ENTRY_ALREADY_EXISTS, -116, "Entry already exists") \ _(SVM_SEGMENT_CREATE_FAIL, -117, "svm segment create fail") \ _(APPLICATION_NOT_ATTACHED, -118, "application not attached") \ _(BD_ALREADY_EXISTS, -119, "Bridge domain already exists") \ -_(BD_IN_USE, -120, "Bridge domain has member interfaces") +_(BD_IN_USE, -120, "Bridge domain has member interfaces") \ +_(UNSUPPORTED, -121, "Unsupported") typedef enum { diff --git a/src/vnet/devices/af_packet/af_packet.c b/src/vnet/devices/af_packet/af_packet.c index 92bd1092..cb52e6da 100644 --- a/src/vnet/devices/af_packet/af_packet.c +++ b/src/vnet/devices/af_packet/af_packet.c @@ -195,6 +195,7 @@ af_packet_create_if (vlib_main_t * vm, u8 * host_if_name, u8 * hw_addr_set, u8 hw_addr[6]; clib_error_t *error; vnet_sw_interface_t *sw; + vnet_hw_interface_t *hw; vlib_thread_main_t *tm = vlib_get_thread_main (); vnet_main_t *vnm = vnet_get_main (); uword *p; @@ -294,17 +295,21 @@ af_packet_create_if (vlib_main_t * vm, u8 * host_if_name, u8 * hw_addr_set, } sw = vnet_get_hw_sw_interface (vnm, apif->hw_if_index); + hw = vnet_get_hw_interface (vnm, apif->hw_if_index); apif->sw_if_index = sw->sw_if_index; - vnet_set_device_input_node (vnm, apif->hw_if_index, - af_packet_input_node.index); - vnet_device_input_assign_thread (vnm, apif->hw_if_index, 0, /* queue */ - ~0 /* any cpu */ ); - vnet_device_input_set_mode (vnm, apif->hw_if_index, 0, - VNET_DEVICE_INPUT_MODE_INTERRUPT); + vnet_hw_interface_set_input_node (vnm, apif->hw_if_index, + af_packet_input_node.index); + vnet_hw_interface_assign_rx_thread (vnm, apif->hw_if_index, 0, /* queue */ + ~0 /* any cpu */ ); + + hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE; vnet_hw_interface_set_flags (vnm, apif->hw_if_index, VNET_HW_INTERFACE_FLAG_LINK_UP); + vnet_hw_interface_set_rx_mode (vnm, apif->hw_if_index, 0, + VNET_HW_INTERFACE_RX_MODE_INTERRUPT); + mhash_set_mem (&apm->if_index_by_host_if_name, host_if_name_dup, &if_index, 0); if (sw_if_index) @@ -340,6 +345,7 @@ af_packet_delete_if (vlib_main_t * vm, u8 * host_if_name) /* bring down the interface */ vnet_hw_interface_set_flags (vnm, apif->hw_if_index, 0); + vnet_hw_interface_unassign_rx_thread (vnm, apif->hw_if_index, 0); /* clean up */ if (apif->unix_file_index != ~0) diff --git a/src/vnet/devices/devices.c b/src/vnet/devices/devices.c index 2f55adcb..d75d905a 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) diff --git a/src/vnet/devices/devices.h b/src/vnet/devices/devices.h index baf03b7c..f1f7e778 100644 --- a/src/vnet/devices/devices.h +++ b/src/vnet/devices/devices.h @@ -55,19 +55,12 @@ typedef struct uword next_worker_thread_index; } vnet_device_main_t; -typedef enum -{ - VNET_DEVICE_INPUT_MODE_POLLING = 0, - VNET_DEVICE_INPUT_MODE_INTERRUPT, - VNET_DEVICE_INPUT_N_MODES, -} vnet_device_input_mode_t; - typedef struct { u32 hw_if_index; u32 dev_instance; u16 queue_id; - vnet_device_input_mode_t mode; + vnet_hw_interface_rx_mode mode; uword interrupt_pending; } vnet_device_and_queue_t; @@ -82,22 +75,23 @@ extern vlib_node_registration_t device_input_node; extern const u32 device_input_next_node_advance[]; static inline void -vnet_set_device_input_node (vnet_main_t * vnm, u32 hw_if_index, - u32 node_index) +vnet_hw_interface_set_input_node (vnet_main_t * vnm, u32 hw_if_index, + u32 node_index) { vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); hw->input_node_index = node_index; } -void vnet_device_input_assign_thread (vnet_main_t * vnm, 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); -int vnet_device_input_set_mode (vnet_main_t * vnm, u32 hw_if_index, - u16 queue_id, vnet_device_input_mode_t mode); -int vnet_device_input_get_mode (vnet_main_t * vnm, u32 hw_if_index, - u16 queue_id, - vnet_device_input_mode_t * mode); +void vnet_hw_interface_assign_rx_thread (vnet_main_t * vnm, u32 hw_if_index, + u16 queue_id, uword thread_index); +int vnet_hw_interface_unassign_rx_thread (vnet_main_t * vnm, u32 hw_if_index, + u16 queue_id); +int vnet_hw_interface_set_rx_mode (vnet_main_t * vnm, u32 hw_if_index, + u16 queue_id, + vnet_hw_interface_rx_mode mode); +int vnet_hw_interface_get_rx_mode (vnet_main_t * vnm, u32 hw_if_index, + u16 queue_id, + vnet_hw_interface_rx_mode * mode); static inline u64 vnet_get_aggregate_rx_packets (void) @@ -161,7 +155,7 @@ vnet_device_input_set_interrupt_pending (vnet_main_t * vnm, u32 hw_if_index, #define foreach_device_and_queue(var,vec) \ for (var = (vec); var < vec_end (vec); var++) \ if (clib_smp_swap (&((var)->interrupt_pending), 0) || \ - var->mode == VNET_DEVICE_INPUT_MODE_POLLING) + var->mode == VNET_HW_INTERFACE_RX_MODE_POLLING) #endif /* included_vnet_vnet_device_h */ diff --git a/src/vnet/interface.h b/src/vnet/interface.h index 9c223040..2344348b 100644 --- a/src/vnet/interface.h +++ b/src/vnet/interface.h @@ -405,6 +405,9 @@ typedef struct vnet_hw_interface_t #define VNET_HW_INTERFACE_FLAG_L2OUTPUT_SHIFT 9 #define VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED (1 << 9) + /* rx mode flags */ +#define VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE (1 << 10) + /* Hardware address as vector. Zero (e.g. zero-length vector) if no address for this class (e.g. PPP). */ u8 *hw_address; @@ -470,6 +473,9 @@ typedef struct vnet_hw_interface_t /* input node cpu index by queue */ u32 *input_node_thread_index_by_queue; + /* vnet_hw_interface_rx_mode by queue */ + u8 *rx_mode_by_queue; + /* device input device_and_queue runtime index */ uword *dq_runtime_index_by_queue; @@ -486,6 +492,15 @@ typedef enum VNET_SW_INTERFACE_TYPE_SUB, } vnet_sw_interface_type_t; +typedef enum +{ + VNET_HW_INTERFACE_RX_MODE_UNKNOWN, + VNET_HW_INTERFACE_RX_MODE_POLLING, + VNET_HW_INTERFACE_RX_MODE_INTERRUPT, + VNET_HW_INTERFACE_RX_MODE_ADAPTIVE, + VNET_HW_INTERFACE_NUM_RX_MODES, +} vnet_hw_interface_rx_mode; + typedef struct { /* diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c index 94eb7ea9..bfce03e1 100644 --- a/src/vnet/interface_cli.c +++ b/src/vnet/interface_cli.c @@ -1175,7 +1175,245 @@ VLIB_CLI_COMMAND (clear_tag_command, static) = { }; /* *INDENT-ON* */ +static clib_error_t * +set_interface_rx_mode (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_hw_interface_t *hw; + u32 hw_if_index = (u32) ~ 0; + u32 queue_id = (u32) ~ 0; + vnet_hw_interface_rx_mode mode = VNET_HW_INTERFACE_RX_MODE_UNKNOWN; + int i, rv = 0; + + 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, "polling")) + mode = VNET_HW_INTERFACE_RX_MODE_POLLING; + else if (unformat (line_input, "interrupt")) + mode = VNET_HW_INTERFACE_RX_MODE_INTERRUPT; + else if (unformat (line_input, "adaptive")) + mode = VNET_HW_INTERFACE_RX_MODE_ADAPTIVE; + 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 (mode == VNET_HW_INTERFACE_RX_MODE_UNKNOWN) + return clib_error_return (0, "please specify valid rx-mode"); + + hw = vnet_get_hw_interface (vnm, hw_if_index); + + if (queue_id == ~0) + for (i = 0; i < vec_len (hw->dq_runtime_index_by_queue); i++) + { + rv = vnet_hw_interface_set_rx_mode (vnm, hw_if_index, i, mode); + if (rv) + goto error; + } + else + rv = vnet_hw_interface_set_rx_mode (vnm, hw_if_index, queue_id, mode); + + if (rv) + goto error; + + return 0; + +error: + if (rv == VNET_API_ERROR_UNSUPPORTED) + return clib_error_return (0, "unsupported"); + + if (rv == VNET_API_ERROR_INVALID_INTERFACE) + return clib_error_return (0, "invalid interfaace"); + + return clib_error_return (0, "unknown error"); +} + +/*? + * 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 rx-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_if_rx_mode,static) = { + .path = "set interface rx-mode", + .short_help = "set interface rx-mode <interface> [queue <n>] [polling | interrupt | adaptive]", + .function = set_interface_rx_mode, +}; +/* *INDENT-ON* */ + +static clib_error_t * +show_interface_rx_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 (%U)\n", + format_vnet_sw_if_index_name, vnm, dq->hw_if_index, + dq->queue_id, + format_vnet_hw_interface_rx_mode, dq->mode); + } + })); + 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 (show_interface_rx_placement, static) = { + .path = "show interface rx-placement", + .short_help = "show interface rx-placement", + .function = show_interface_rx_placement_fn, +}; +/* *INDENT-ON* */ + +static clib_error_t * +set_interface_rx_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_hw_interface_rx_mode 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_hw_interface_get_rx_mode (vnm, hw_if_index, queue_id, &mode); + + if (rv) + return clib_error_return (0, "not found"); + + rv = vnet_hw_interface_unassign_rx_thread (vnm, hw_if_index, queue_id); + + if (rv) + return clib_error_return (0, "not found"); + + vnet_hw_interface_assign_rx_thread (vnm, hw_if_index, queue_id, + thread_index); + vnet_hw_interface_set_rx_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_if_rx_placement,static) = { + .path = "set interface rx-placement", + .short_help = "set interface rx-placement <hw-interface> [queue <n>] [thread <n> | main]", + .function = set_interface_rx_placement, +}; + +/* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * diff --git a/src/vnet/interface_format.c b/src/vnet/interface_format.c index b961c778..03caf5c6 100644 --- a/src/vnet/interface_format.c +++ b/src/vnet/interface_format.c @@ -59,6 +59,23 @@ format_vnet_sw_interface_flags (u8 * s, va_list * args) } u8 * +format_vnet_hw_interface_rx_mode (u8 * s, va_list * args) +{ + vnet_hw_interface_rx_mode mode = va_arg (*args, vnet_hw_interface_rx_mode); + + if (mode == VNET_HW_INTERFACE_RX_MODE_POLLING) + return format (s, "polling"); + + if (mode == VNET_HW_INTERFACE_RX_MODE_INTERRUPT) + return format (s, "interrupt"); + + if (mode == VNET_HW_INTERFACE_RX_MODE_ADAPTIVE) + return format (s, "adaptive"); + + return format (s, "unknown"); +} + +u8 * format_vnet_hw_interface (u8 * s, va_list * args) { vnet_main_t *vnm = va_arg (*args, vnet_main_t *); diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h index b3aca2fd..999b72e5 100644 --- a/src/vnet/interface_funcs.h +++ b/src/vnet/interface_funcs.h @@ -277,6 +277,7 @@ clib_error_t *vnet_hw_interface_change_mac_address (vnet_main_t * vnm, /* Formats sw/hw interface. */ format_function_t format_vnet_hw_interface; +format_function_t format_vnet_hw_interface_rx_mode; format_function_t format_vnet_sw_interface; format_function_t format_vnet_sw_interface_name; format_function_t format_vnet_sw_interface_name_override; |