From 0d05c0d214ffd326e531bea58f3c971bb9a58252 Mon Sep 17 00:00:00 2001 From: Mohsin Kazmi Date: Tue, 9 Nov 2021 17:44:10 +0000 Subject: interface: add multi tx-queues support for new tx infra Type: feature Change-Id: I231f782b3c56dc2b10321e4569ac7acdad1c11da Signed-off-by: Mohsin Kazmi --- src/plugins/memif/memif.c | 4 +- src/vnet/devices/tap/tap.c | 6 +- src/vnet/ethernet/interface.c | 1 + src/vnet/interface.api | 77 ++++++++ src/vnet/interface.c | 5 + src/vnet/interface.h | 12 +- src/vnet/interface/runtime.c | 85 ++++++--- src/vnet/interface/tx_queue_funcs.h | 17 ++ src/vnet/interface_api.c | 169 ++++++++++++++++++ src/vnet/interface_cli.c | 160 +++++++++++++++-- src/vnet/interface_format.c | 3 + src/vnet/interface_funcs.h | 3 + src/vnet/interface_output.c | 342 ++++++++++++++++++++++++++---------- src/vnet/interface_test.c | 122 +++++++++++++ src/vnet/pg/stream.c | 1 + 15 files changed, 869 insertions(+), 138 deletions(-) diff --git a/src/plugins/memif/memif.c b/src/plugins/memif/memif.c index 3b01819491b..f8c5191b971 100644 --- a/src/plugins/memif/memif.c +++ b/src/plugins/memif/memif.c @@ -855,10 +855,10 @@ memif_delete_if (vlib_main_t * vm, memif_if_t * mif) } /* *INDENT-OFF* */ -VNET_HW_INTERFACE_CLASS (memif_ip_hw_if_class, static) = -{ +VNET_HW_INTERFACE_CLASS (memif_ip_hw_if_class, static) = { .name = "memif-ip", .flags = VNET_HW_INTERFACE_CLASS_FLAG_P2P, + .tx_hash_fn_type = VNET_HASH_FN_TYPE_IP, }; /* *INDENT-ON* */ diff --git a/src/vnet/devices/tap/tap.c b/src/vnet/devices/tap/tap.c index 2d075f9e0fc..4c0b4e0251c 100644 --- a/src/vnet/devices/tap/tap.c +++ b/src/vnet/devices/tap/tap.c @@ -58,13 +58,11 @@ tap_main_t tap_main; goto error; \ } - /* *INDENT-OFF* */ -VNET_HW_INTERFACE_CLASS (tun_device_hw_interface_class, static) = -{ +VNET_HW_INTERFACE_CLASS (tun_device_hw_interface_class, static) = { .name = "tun-device", .flags = VNET_HW_INTERFACE_CLASS_FLAG_P2P, + .tx_hash_fn_type = VNET_HASH_FN_TYPE_IP, }; - /* *INDENT-ON* */ #define TUN_MAX_PACKET_BYTES 65355 #define TUN_MIN_PACKET_BYTES 64 diff --git a/src/vnet/ethernet/interface.c b/src/vnet/ethernet/interface.c index d287748c0e6..c941f82a50b 100644 --- a/src/vnet/ethernet/interface.c +++ b/src/vnet/ethernet/interface.c @@ -313,6 +313,7 @@ ethernet_mac_change (vnet_hw_interface_t * hi, /* *INDENT-OFF* */ VNET_HW_INTERFACE_CLASS (ethernet_hw_interface_class) = { .name = "Ethernet", + .tx_hash_fn_type = VNET_HASH_FN_TYPE_ETHERNET, .format_address = format_ethernet_address, .format_header = format_ethernet_header_with_length, .unformat_hw_address = unformat_ethernet_address, diff --git a/src/vnet/interface.api b/src/vnet/interface.api index d89dea4e353..172f6afb818 100644 --- a/src/vnet/interface.api +++ b/src/vnet/interface.api @@ -458,6 +458,29 @@ autoreply define sw_interface_set_rx_placement bool is_main; }; +/** \brief Set an interface's tx-placement + Tx-Queue placement on specific thread is operational for only hardware + interface. It will not set queue - thread placement for sub-interfaces, + p2p and pipe interfaces. + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param sw_if_index - the interface whose tx-placement will be set + @param queue_id - the queue number whose tx-placement will be set. + @param array_size - the size of the thread indexes array + @param threads - the thread indexes of main and worker(s) threads + whom tx-placement will be at. +*/ +autoendian autoreply define sw_interface_set_tx_placement +{ + u32 client_index; + u32 context; + vl_api_interface_index_t sw_if_index; + u32 queue_id; + u32 array_size; + u32 threads[array_size]; + option vat_help = "> queue [threads | mask ]"; +}; + /** \brief Set custom interface name Set custom interface name for the interface. @param client_index - opaque cookie to identify the sender @@ -512,6 +535,60 @@ define sw_interface_rx_placement_details vl_api_rx_mode_t mode; }; +service { + rpc sw_interface_tx_placement_get returns sw_interface_tx_placement_get_reply + stream sw_interface_tx_placement_details; +}; + +/** \brief get the tx queue placement of interface(s) + @param cursor - optional, it allows client to continue a dump + @param sw_if_index - optional interface index for which queue placement to + be requested. sw_if_index = ~0 will get the placement information for all + interfaces. It will not get information related to sub-interfaces, p2p + and pipe interfaces. +*/ +autoendian define sw_interface_tx_placement_get +{ + u32 client_index; + u32 context; + u32 cursor; + vl_api_interface_index_t sw_if_index; + option vat_help = "[interface | sw_if_index ]"; +}; + +autoendian define sw_interface_tx_placement_get_reply +{ + u32 context; + i32 retval; + u32 cursor; +}; + +/** \brief show the interface's queue - thread placement + This api is used to display the interface and queue worker + thread placement. One message per tx-queue per interface will + be sent to client. + Each message will contain information about tx-queue id of an + interface, interface index, thread on which this tx-queue is + placed and mode of tx-queue. + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param sw_if_index - the interface whose tx-placement will be dumped + @param queue_id - the queue id + @param shared - the queue is shared on other threads + @param array_size - the size of the threads array + @param threads - the main and worker(s) thread index(es) whom tx-placement are at. +*/ +autoendian define sw_interface_tx_placement_details +{ + u32 client_index; + u32 context; + vl_api_interface_index_t sw_if_index; + u32 queue_id; + u8 shared; + u32 array_size; + u32 threads[array_size]; +}; + /* Gross kludge, DGMS */ autoreply define interface_name_renumber { diff --git a/src/vnet/interface.c b/src/vnet/interface.c index ce024993826..982abbd0199 100644 --- a/src/vnet/interface.c +++ b/src/vnet/interface.c @@ -863,6 +863,10 @@ vnet_register_interface (vnet_main_t * vnm, hw->hw_if_index = hw_index; hw->default_rx_mode = VNET_HW_IF_RX_MODE_POLLING; + if (hw_class->tx_hash_fn_type == VNET_HASH_FN_TYPE_ETHERNET || + hw_class->tx_hash_fn_type == VNET_HASH_FN_TYPE_IP) + hw->hf = vnet_hash_default_function (hw_class->tx_hash_fn_type); + if (dev_class->format_device_name) hw->name = format (0, "%U", dev_class->format_device_name, dev_instance); else if (hw_class->format_interface_name) @@ -1020,6 +1024,7 @@ vnet_register_interface (vnet_main_t * vnm, static char *e[] = { "interface is down", "interface is deleted", + "no tx queue available", }; r.n_errors = ARRAY_LEN (e); diff --git a/src/vnet/interface.h b/src/vnet/interface.h index fe42e5d33a1..822d4c3a7ad 100644 --- a/src/vnet/interface.h +++ b/src/vnet/interface.h @@ -44,6 +44,7 @@ #include #include #include +#include struct vnet_main_t; struct vnet_hw_interface_t; @@ -410,6 +411,9 @@ typedef struct _vnet_hw_interface_class /* Flags */ vnet_hw_interface_class_flags_t flags; + /* tx hash type for interfaces of this hw class */ + vnet_hash_fn_type_t tx_hash_fn_type; + /* Function to call when hardware interface is added/deleted. */ vnet_interface_function_t *interface_add_del_function; @@ -641,8 +645,9 @@ typedef struct typedef struct { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); - vnet_hw_if_tx_frame_t frame; - u32 n_threads; + vnet_hw_if_tx_frame_t *frame; + u32 *lookup_table; + u32 n_queues; } vnet_hw_if_output_node_runtime_t; /* Hardware-interface. This corresponds to a physical wire @@ -696,6 +701,9 @@ typedef struct vnet_hw_interface_t used by node function vnet_per_buffer_interface_output() */ u32 output_node_next_index; + /* called when hw interface is using transmit side packet steering */ + vnet_hash_fn_t hf; + /* Maximum transmit rate for this interface in bits/sec. */ f64 max_rate_bits_per_sec; diff --git a/src/vnet/interface/runtime.c b/src/vnet/interface/runtime.c index e63f1ecc2fc..5c215e88501 100644 --- a/src/vnet/interface/runtime.c +++ b/src/vnet/interface/runtime.c @@ -184,39 +184,73 @@ vnet_hw_if_update_runtime_data (vnet_main_t *vnm, u32 hw_if_index) } } - new_out_runtimes = - vec_dup_aligned (hi->output_node_thread_runtimes, CLIB_CACHE_LINE_BYTES); - vec_validate_aligned (new_out_runtimes, n_threads - 1, - CLIB_CACHE_LINE_BYTES); - - if (vec_len (hi->output_node_thread_runtimes) != vec_len (new_out_runtimes)) - something_changed_on_tx = 1; - - for (int i = 0; i < vec_len (hi->tx_queue_indices); i++) + if (vec_len (hi->tx_queue_indices) > 0) { - u32 thread_index; - u32 queue_index = hi->tx_queue_indices[i]; - vnet_hw_if_tx_queue_t *txq = vnet_hw_if_get_tx_queue (vnm, queue_index); - uword n_threads = clib_bitmap_count_set_bits (txq->threads); + new_out_runtimes = vec_dup_aligned (hi->output_node_thread_runtimes, + CLIB_CACHE_LINE_BYTES); + vec_validate_aligned (new_out_runtimes, n_threads - 1, + CLIB_CACHE_LINE_BYTES); - clib_bitmap_foreach (thread_index, txq->threads) + for (u32 i = 0; i < vec_len (new_out_runtimes); i++) { vnet_hw_if_output_node_runtime_t *rt; - rt = vec_elt_at_index (new_out_runtimes, thread_index); - if ((rt->frame.queue_id != txq->queue_id) || - (rt->n_threads != n_threads)) + rt = vec_elt_at_index (new_out_runtimes, i); + u32 n_queues = 0, total_queues = vec_len (hi->tx_queue_indices); + rt->frame = 0; + rt->lookup_table = 0; + + for (u32 j = 0; j < total_queues; j++) { + u32 queue_index = hi->tx_queue_indices[j]; + vnet_hw_if_tx_frame_t frame = { .shared_queue = 0, + .hints = 7, + .queue_id = ~0 }; + vnet_hw_if_tx_queue_t *txq = + vnet_hw_if_get_tx_queue (vnm, queue_index); + if (!clib_bitmap_get (txq->threads, i)) + continue; + log_debug ("tx queue data changed for interface %v, thread %u " - "(queue_id %u -> %u, n_threads %u -> %u)", - hi->name, thread_index, rt->frame.queue_id, - txq->queue_id, rt->n_threads, n_threads); + "(queue_id %u)", + hi->name, i, txq->queue_id); + something_changed_on_tx = 1; + + frame.queue_id = txq->queue_id; + frame.shared_queue = txq->shared_queue; + vec_add1 (rt->frame, frame); + n_queues++; + } + + // don't initialize rt->n_queues above + if (rt->n_queues != n_queues) + { something_changed_on_tx = 1; - rt->frame.queue_id = txq->queue_id; - rt->frame.shared_queue = txq->shared_queue; - rt->n_threads = n_threads; + rt->n_queues = n_queues; + } + /* + * It is only used in case of multiple txq. + */ + if (rt->n_queues > 0) + { + if (!is_pow2 (n_queues)) + n_queues = max_pow2 (n_queues); + + vec_validate_aligned (rt->lookup_table, n_queues - 1, + CLIB_CACHE_LINE_BYTES); + + for (u32 k = 0; k < vec_len (rt->lookup_table); k++) + { + rt->lookup_table[k] = rt->frame[k % rt->n_queues].queue_id; + log_debug ("tx queue lookup table changed for interface %v, " + "(lookup table [%u]=%u)", + hi->name, k, rt->lookup_table[k]); + } } } } + else + /* interface deleted */ + something_changed_on_tx = 1; if (something_changed_on_rx || something_changed_on_tx) { @@ -303,6 +337,11 @@ vnet_hw_if_update_runtime_data (vnet_main_t *vnm, u32 hw_if_index) { vec_free (d[i]); vec_free (a[i]); + if (new_out_runtimes) + { + vec_free (new_out_runtimes[i].frame); + vec_free (new_out_runtimes[i].lookup_table); + } } vec_free (d); diff --git a/src/vnet/interface/tx_queue_funcs.h b/src/vnet/interface/tx_queue_funcs.h index 22956a4eb9b..8fcf7c336a8 100644 --- a/src/vnet/interface/tx_queue_funcs.h +++ b/src/vnet/interface/tx_queue_funcs.h @@ -27,3 +27,20 @@ vnet_hw_if_get_tx_queue (vnet_main_t *vnm, u32 queue_index) return 0; return pool_elt_at_index (im->hw_if_tx_queues, queue_index); } + +static_always_inline int +vnet_hw_if_txq_cmp_cli_api (vnet_hw_if_tx_queue_t **a, + vnet_hw_if_tx_queue_t **b) +{ + if (*a == *b) + return 0; + + if (a[0]->hw_if_index != b[0]->hw_if_index) + return 2 * (a[0]->hw_if_index > b[0]->hw_if_index) - 1; + + if (a[0]->queue_id != b[0]->queue_id) + return 2 * (a[0]->queue_id > b[0]->queue_id) - 1; + + ASSERT (0); + return ~0; +} diff --git a/src/vnet/interface_api.c b/src/vnet/interface_api.c index a765c0bbc3d..5218f74b0f4 100644 --- a/src/vnet/interface_api.c +++ b/src/vnet/interface_api.c @@ -22,6 +22,7 @@ #include #include +#include #include #include #include @@ -56,7 +57,9 @@ vpe_api_main_t vpe_api_main; _ (SW_INTERFACE_ADD_DEL_ADDRESS, sw_interface_add_del_address) \ _ (SW_INTERFACE_SET_RX_MODE, sw_interface_set_rx_mode) \ _ (SW_INTERFACE_RX_PLACEMENT_DUMP, sw_interface_rx_placement_dump) \ + _ (SW_INTERFACE_TX_PLACEMENT_GET, sw_interface_tx_placement_get) \ _ (SW_INTERFACE_SET_RX_PLACEMENT, sw_interface_set_rx_placement) \ + _ (SW_INTERFACE_SET_TX_PLACEMENT, sw_interface_set_tx_placement) \ _ (SW_INTERFACE_SET_TABLE, sw_interface_set_table) \ _ (SW_INTERFACE_GET_TABLE, sw_interface_get_table) \ _ (SW_INTERFACE_SET_UNNUMBERED, sw_interface_set_unnumbered) \ @@ -1215,6 +1218,168 @@ out: REPLY_MACRO (VL_API_SW_INTERFACE_SET_RX_PLACEMENT_REPLY); } +static void +send_interface_tx_placement_details (vnet_hw_if_tx_queue_t **all_queues, + u32 index, vl_api_registration_t *rp, + u32 context) +{ + vnet_main_t *vnm = vnet_get_main (); + vl_api_sw_interface_tx_placement_details_t *rmp; + u32 n_bits = 0, v = ~0; + vnet_hw_if_tx_queue_t **q = vec_elt_at_index (all_queues, index); + uword *bitmap = q[0]->threads; + u32 hw_if_index = q[0]->hw_if_index; + vnet_hw_interface_t *hw_if = vnet_get_hw_interface (vnm, hw_if_index); + + n_bits = clib_bitmap_count_set_bits (bitmap); + u32 n = n_bits * sizeof (u32); + + /* + * FIXME: Use the REPLY_MACRO_DETAILS5_END once endian handler is registered + * and available. + */ + REPLY_MACRO_DETAILS5 ( + VL_API_SW_INTERFACE_TX_PLACEMENT_DETAILS, n, rp, context, ({ + rmp->sw_if_index = clib_host_to_net_u32 (hw_if->sw_if_index); + rmp->queue_id = clib_host_to_net_u32 (q[0]->queue_id); + rmp->shared = q[0]->shared_queue; + rmp->array_size = clib_host_to_net_u32 (n_bits); + + v = clib_bitmap_first_set (bitmap); + for (u32 i = 0; i < n_bits; i++) + { + rmp->threads[i] = clib_host_to_net_u32 (v); + v = clib_bitmap_next_set (bitmap, v + 1); + } + })); +} + +static void +vl_api_sw_interface_tx_placement_get_t_handler ( + vl_api_sw_interface_tx_placement_get_t *mp) +{ + vnet_main_t *vnm = vnet_get_main (); + vl_api_sw_interface_tx_placement_get_reply_t *rmp = 0; + vnet_hw_if_tx_queue_t **all_queues = 0; + vnet_hw_if_tx_queue_t *q; + u32 sw_if_index = mp->sw_if_index; + i32 rv = 0; + + if (pool_elts (vnm->interface_main.hw_if_tx_queues) == 0) + { + rv = VNET_API_ERROR_NO_SUCH_ENTRY; + goto err; + } + + if (sw_if_index == ~0) + { + pool_foreach (q, vnm->interface_main.hw_if_tx_queues) + vec_add1 (all_queues, q); + vec_sort_with_function (all_queues, vnet_hw_if_txq_cmp_cli_api); + } + else + { + u32 qi = ~0; + vnet_sw_interface_t *si; + + if (!vnet_sw_if_index_is_api_valid (sw_if_index)) + { + clib_warning ("sw_if_index %u does not exist", sw_if_index); + rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; + goto err; + } + + si = vnet_get_sw_interface (vnm, sw_if_index); + if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE) + { + clib_warning ("interface type is not HARDWARE! P2P, PIPE and SUB" + " interfaces are not supported"); + rv = VNET_API_ERROR_INVALID_INTERFACE; + goto err; + } + + vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, si->hw_if_index); + for (qi = 0; qi < vec_len (hw->tx_queue_indices); qi++) + { + q = vnet_hw_if_get_tx_queue (vnm, hw->tx_queue_indices[qi]); + vec_add1 (all_queues, q); + } + } + + REPLY_AND_DETAILS_VEC_MACRO_END (VL_API_SW_INTERFACE_TX_PLACEMENT_GET_REPLY, + all_queues, mp, rmp, rv, ({ + send_interface_tx_placement_details ( + all_queues, cursor, rp, mp->context); + })); + + vec_free (all_queues); + return; + +err: + REPLY_MACRO_END (VL_API_SW_INTERFACE_TX_PLACEMENT_GET_REPLY); +} + +static void +vl_api_sw_interface_set_tx_placement_t_handler ( + vl_api_sw_interface_set_tx_placement_t *mp) +{ + vl_api_sw_interface_set_tx_placement_reply_t *rmp; + vnet_main_t *vnm = vnet_get_main (); + u32 sw_if_index = mp->sw_if_index; + vnet_sw_interface_t *si; + uword *bitmap = 0; + u32 queue_id = ~0; + u32 size = 0; + clib_error_t *error = 0; + int rv = 0; + + VALIDATE_SW_IF_INDEX_END (mp); + + si = vnet_get_sw_interface (vnm, sw_if_index); + if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE) + { + rv = VNET_API_ERROR_INVALID_VALUE; + goto bad_sw_if_index; + } + + size = mp->array_size; + for (u32 i = 0; i < size; i++) + { + u32 thread_index = mp->threads[i]; + bitmap = clib_bitmap_set (bitmap, thread_index, 1); + } + + queue_id = mp->queue_id; + rv = set_hw_interface_tx_queue (si->hw_if_index, queue_id, bitmap); + + switch (rv) + { + case VNET_API_ERROR_INVALID_VALUE: + error = clib_error_return ( + 0, "please specify valid thread(s) - last thread index %u", + clib_bitmap_last_set (bitmap)); + break; + case VNET_API_ERROR_INVALID_QUEUE: + error = clib_error_return ( + 0, "unknown queue %u on interface %s", queue_id, + vnet_get_hw_interface (vnet_get_main (), si->hw_if_index)->name); + break; + default: + break; + } + + if (error) + { + clib_error_report (error); + goto out; + } + + BAD_SW_IF_INDEX_LABEL; +out: + REPLY_MACRO_END (VL_API_SW_INTERFACE_SET_TX_PLACEMENT_REPLY); + clib_bitmap_free (bitmap); +} + static void vl_api_create_vlan_subif_t_handler (vl_api_create_vlan_subif_t * mp) { @@ -1474,6 +1639,10 @@ interface_api_hookup (vlib_main_t * vm) /* Do not replay VL_API_SW_INTERFACE_DUMP messages */ am->api_trace_cfg[VL_API_SW_INTERFACE_DUMP].replay_enable = 0; + /* Mark these APIs as autoendian */ + am->is_autoendian[VL_API_SW_INTERFACE_SET_TX_PLACEMENT] = 1; + am->is_autoendian[VL_API_SW_INTERFACE_TX_PLACEMENT_GET] = 1; + /* * Set up the (msg_name, crc, message-id) table */ diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c index 4f6f2cf05a5..d2e748abec2 100644 --- a/src/vnet/interface_cli.c +++ b/src/vnet/interface_cli.c @@ -53,6 +53,7 @@ #include #include #include +#include static int compare_interface_names (void *a1, void *a2) { @@ -1840,28 +1841,24 @@ VLIB_CLI_COMMAND (cmd_set_if_rx_placement,static) = { }; /* *INDENT-ON* */ -clib_error_t * +int set_hw_interface_tx_queue (u32 hw_if_index, u32 queue_id, uword *bitmap) { vnet_main_t *vnm = vnet_get_main (); - vnet_device_main_t *vdm = &vnet_device_main; - vnet_hw_interface_t *hw; + vlib_thread_main_t *vtm = vlib_get_thread_main (); vnet_hw_if_tx_queue_t *txq; u32 queue_index; u32 thread_index; - hw = vnet_get_hw_interface (vnm, hw_if_index); - /* highest set bit in bitmap should not exceed last worker thread index */ thread_index = clib_bitmap_last_set (bitmap); - if ((thread_index != ~0) && (thread_index > vdm->last_worker_thread_index)) - return clib_error_return (0, "please specify valid thread(s)"); + if ((thread_index != ~0) && (thread_index >= vtm->n_vlib_mains)) + return VNET_API_ERROR_INVALID_VALUE; queue_index = vnet_hw_if_get_tx_queue_index_by_id (vnm, hw_if_index, queue_id); if (queue_index == ~0) - return clib_error_return (0, "unknown queue %u on interface %s", queue_id, - hw->name); + return VNET_API_ERROR_INVALID_QUEUE; txq = vnet_hw_if_get_tx_queue (vnm, queue_index); @@ -1889,6 +1886,7 @@ set_interface_tx_queue (vlib_main_t *vm, unformat_input_t *input, u32 hw_if_index = (u32) ~0; u32 queue_id = (u32) 0; uword *bitmap = 0; + int rv = 0; if (!unformat_user (input, unformat_line_input, line_input)) return 0; @@ -1920,7 +1918,23 @@ set_interface_tx_queue (vlib_main_t *vm, unformat_input_t *input, goto error; } - error = set_hw_interface_tx_queue (hw_if_index, queue_id, bitmap); + rv = set_hw_interface_tx_queue (hw_if_index, queue_id, bitmap); + + switch (rv) + { + case VNET_API_ERROR_INVALID_VALUE: + error = clib_error_return ( + 0, "please specify valid thread(s) - last thread index %u", + clib_bitmap_last_set (bitmap)); + break; + case VNET_API_ERROR_INVALID_QUEUE: + error = clib_error_return ( + 0, "unknown queue %u on interface %s", queue_id, + vnet_get_hw_interface (vnet_get_main (), hw_if_index)->name); + break; + default: + break; + } error: clib_bitmap_free (bitmap); @@ -2467,6 +2481,132 @@ VLIB_CLI_COMMAND (cmd_set_if_name, static) = { .function = set_interface_name, .is_mp_safe = 1, }; + +static clib_error_t * +set_interface_tx_hash_cmd (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 *hi; + u8 *hash_name = 0; + u32 hw_if_index = (u32) ~0; + vnet_hash_fn_t hf; + vnet_hash_fn_type_t ftype; + + 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, "hash-name %s", &hash_name)) + ; + 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) + { + error = clib_error_return (0, "please specify valid interface name"); + goto error; + } + + hi = vnet_get_hw_interface (vnm, hw_if_index); + ftype = + vnet_get_hw_interface_class (vnm, hi->hw_class_index)->tx_hash_fn_type; + hf = vnet_hash_function_from_name ((const char *) hash_name, ftype); + + if (!hf) + { + error = clib_error_return (0, "please specify valid hash name"); + goto error; + } + + hi->hf = hf; +error: + vec_free (hash_name); + return (error); +} + +VLIB_CLI_COMMAND (cmd_set_if_tx_hash, static) = { + .path = "set interface tx-hash", + .short_help = "set interface tx-hash hash-name ", + .function = set_interface_tx_hash_cmd, +}; + +static clib_error_t * +show_tx_hash (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 *hi; + vnet_hash_function_registration_t *hash; + u32 hw_if_index = (u32) ~0; + vnet_hash_fn_type_t ftype; + + 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 + { + error = clib_error_return (0, "parse error: '%U'", + format_unformat_error, line_input); + unformat_free (line_input); + goto error; + } + } + + unformat_free (line_input); + + if (hw_if_index == (u32) ~0) + { + error = clib_error_return (0, "please specify valid interface name"); + goto error; + } + + hi = vnet_get_hw_interface (vnm, hw_if_index); + ftype = + vnet_get_hw_interface_class (vnm, hi->hw_class_index)->tx_hash_fn_type; + + if (hi->hf) + { + hash = vnet_hash_function_from_func (hi->hf, ftype); + if (hash) + vlib_cli_output (vm, "%U", format_vnet_hash, hash); + else + vlib_cli_output (vm, "no matching hash function found"); + } + else + vlib_cli_output (vm, "no hashing function set"); + +error: + return (error); +} + +VLIB_CLI_COMMAND (cmd_show_tx_hash, static) = { + .path = "show interface tx-hash", + .short_help = "show interface tx-hash [interface]", + .function = show_tx_hash, +}; + /* * fd.io coding-style-patch-verification: ON * diff --git a/src/vnet/interface_format.c b/src/vnet/interface_format.c index 4acd6ab63e6..cb428e761be 100644 --- a/src/vnet/interface_format.c +++ b/src/vnet/interface_format.c @@ -212,6 +212,9 @@ format_vnet_hw_interface (u8 * s, va_list * args) if (vec_len (hi->tx_queue_indices)) { s = format (s, "\n%UTX Queues:", format_white_space, indent + 2); + s = format ( + s, "\n%UTX Hash: %U", format_white_space, indent + 4, format_vnet_hash, + vnet_hash_function_from_func (hi->hf, hw_class->tx_hash_fn_type)); s = format (s, "\n%U%-6s%-7s%-15s", format_white_space, indent + 4, "queue", "shared", "thread(s)"); for (int i = 0; i < vec_len (hi->tx_queue_indices); i++) diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h index f253b23f819..eef5596644c 100644 --- a/src/vnet/interface_funcs.h +++ b/src/vnet/interface_funcs.h @@ -427,6 +427,8 @@ clib_error_t *set_hw_interface_change_rx_mode (vnet_main_t * vnm, /* Set rx-placement on the interface */ clib_error_t *set_hw_interface_rx_placement (u32 hw_if_index, u32 queue_id, u32 thread_index, u8 is_main); +/* Set tx-queue placement on the interface */ +int set_hw_interface_tx_queue (u32 hw_if_index, u32 queue_id, uword *bitmap); /* Set the MTU on the HW interface */ void vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu); @@ -509,6 +511,7 @@ typedef enum { VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DOWN, VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DELETED, + VNET_INTERFACE_OUTPUT_ERROR_NO_TX_QUEUE, } vnet_interface_output_error_t; /* Format for interface output traces. */ diff --git a/src/vnet/interface_output.c b/src/vnet/interface_output.c index 72ceb95132d..659273b53cd 100644 --- a/src/vnet/interface_output.c +++ b/src/vnet/interface_output.c @@ -46,10 +46,12 @@ #include #include #include +#include #include #include #include #include +#include typedef struct { @@ -176,8 +178,9 @@ vnet_interface_output_handle_offload (vlib_main_t *vm, vlib_buffer_t *b) static_always_inline uword vnet_interface_output_node_inline (vlib_main_t *vm, u32 sw_if_index, vlib_combined_counter_main_t *ccm, - vlib_buffer_t **b, u32 config_index, u8 arc, - u32 n_left, int processing_level) + vlib_buffer_t **b, void **p, + u32 config_index, u8 arc, u32 n_left, + int processing_level) { u32 n_bytes = 0; u32 n_bytes0, n_bytes1, n_bytes2, n_bytes3; @@ -208,6 +211,15 @@ vnet_interface_output_node_inline (vlib_main_t *vm, u32 sw_if_index, n_bytes += n_bytes2 = vlib_buffer_length_in_chain (vm, b[2]); n_bytes += n_bytes3 = vlib_buffer_length_in_chain (vm, b[3]); + if (processing_level >= 3) + { + p[0] = vlib_buffer_get_current (b[0]); + p[1] = vlib_buffer_get_current (b[1]); + p[2] = vlib_buffer_get_current (b[2]); + p[3] = vlib_buffer_get_current (b[3]); + p += 4; + } + if (processing_level >= 2) { u32 tx_swif0, tx_swif1, tx_swif2, tx_swif3; @@ -262,6 +274,12 @@ vnet_interface_output_node_inline (vlib_main_t *vm, u32 sw_if_index, n_bytes += n_bytes0 = vlib_buffer_length_in_chain (vm, b[0]); + if (processing_level >= 3) + { + p[0] = vlib_buffer_get_current (b[0]); + p += 1; + } + if (processing_level >= 2) { u32 tx_swif0 = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; @@ -344,39 +362,71 @@ vnet_interface_pcap_tx_trace (vlib_main_t *vm, vlib_node_runtime_t *node, } static_always_inline void -store_tx_frame_scalar_data (vnet_hw_if_output_node_runtime_t *r, - vnet_hw_if_tx_frame_t *tf) +hash_func_with_mask (void **p, u32 *hash, u32 n_packets, u32 *lookup_table, + u32 mask, vnet_hash_fn_t hf) { - if (r) - clib_memcpy_fast (tf, &r->frame, sizeof (vnet_hw_if_tx_frame_t)); + u32 n_left_from = n_packets; + + hf (p, hash, n_packets); + + clib_array_mask_u32 (hash, mask, n_packets); + + while (n_left_from >= 4) + { + hash[0] = lookup_table[hash[0]]; + hash[1] = lookup_table[hash[1]]; + hash[2] = lookup_table[hash[2]]; + hash[3] = lookup_table[hash[3]]; + + hash += 4; + n_left_from -= 4; + } + + while (n_left_from > 0) + { + hash[0] = lookup_table[hash[0]]; + + hash += 1; + n_left_from -= 1; + } } static_always_inline void -enqueu_to_tx_node (vlib_main_t *vm, vlib_node_runtime_t *node, - vnet_hw_interface_t *hi, u32 *from, u32 n_vectors) +store_tx_frame_scalar_data (vnet_hw_if_tx_frame_t *copy_frame, + vnet_hw_if_tx_frame_t *tf) { - u32 next_index = VNET_INTERFACE_OUTPUT_NEXT_TX; - vnet_hw_if_output_node_runtime_t *r = 0; - u32 n_free, n_copy, *to; - vnet_hw_if_tx_frame_t *tf; - vlib_frame_t *f; - - ASSERT (n_vectors <= VLIB_FRAME_SIZE); + if (copy_frame) + clib_memcpy_fast (tf, copy_frame, sizeof (vnet_hw_if_tx_frame_t)); +} - if (hi->output_node_thread_runtimes) - r = vec_elt_at_index (hi->output_node_thread_runtimes, vm->thread_index); +static_always_inline u32 +enqueue_one_to_tx_node (vlib_main_t *vm, vlib_node_runtime_t *node, u32 *ppqi, + u32 *from, vnet_hw_if_tx_frame_t *copy_frame, + u32 n_vectors, u32 n_left, u32 next_index) +{ + u32 tmp[VLIB_FRAME_SIZE]; + u64 mask[VLIB_FRAME_SIZE / 64] = {}; + vlib_frame_t *f; + vnet_hw_if_tx_frame_t *tf; + u32 *to; + u32 n_copy = 0, n_free = 0; f = vlib_get_next_frame_internal (vm, node, next_index, 0); tf = vlib_frame_scalar_args (f); - if (f->n_vectors > 0 && (r == 0 || tf->queue_id == r->frame.queue_id)) + if (f->n_vectors > 0 && + (!copy_frame || (tf->queue_id == copy_frame->queue_id))) { /* append current next frame */ n_free = VLIB_FRAME_SIZE - f->n_vectors; - n_copy = clib_min (n_vectors, n_free); - n_vectors -= n_copy; - to = vlib_frame_vector_args (f); - to += f->n_vectors; + /* + * if frame contains enough space for worst case scenario, + * we can avoid use of tmp + */ + if (n_free >= n_left) + to = (u32 *) vlib_frame_vector_args (f) + f->n_vectors; + else + to = tmp; } else { @@ -388,25 +438,113 @@ enqueu_to_tx_node (vlib_main_t *vm, vlib_node_runtime_t *node, } /* empty frame - store scalar data */ - store_tx_frame_scalar_data (r, tf); + store_tx_frame_scalar_data (copy_frame, tf); to = vlib_frame_vector_args (f); n_free = VLIB_FRAME_SIZE; - n_copy = n_vectors; - n_vectors = 0; } - vlib_buffer_copy_indices (to, from, n_copy); - vlib_put_next_frame (vm, node, next_index, n_free - n_copy); + /* + * per packet queue id array + * compare with given queue_id, if match, copy respective buffer index from + * -> to + */ + if (ppqi) + { + clib_mask_compare_u32 (copy_frame->queue_id, ppqi, mask, n_vectors); + n_copy = clib_compress_u32 (to, from, mask, n_vectors); - if (n_vectors == 0) - return; + if (n_copy == 0) + return n_left; + } + else + { + /* + * no work required, just copy all buffer indices from -> to + */ + n_copy = n_left; + vlib_buffer_copy_indices (to, from, n_copy); + } + + if (to != tmp) + { + /* indices already written to frame, just close it */ + vlib_put_next_frame (vm, node, next_index, n_free - n_copy); + } + else if (n_free >= n_copy) + { + /* enough space in the existing frame */ + to = (u32 *) vlib_frame_vector_args (f) + f->n_vectors; + vlib_buffer_copy_indices (to, tmp, n_copy); + vlib_put_next_frame (vm, node, next_index, n_free - n_copy); + } + else + { + /* full frame */ + to = (u32 *) vlib_frame_vector_args (f) + f->n_vectors; + vlib_buffer_copy_indices (to, tmp, n_free); + vlib_put_next_frame (vm, node, next_index, 0); + + /* second frame */ + u32 n_2nd_frame = n_copy - n_free; + f = vlib_get_next_frame_internal (vm, node, next_index, 1); + tf = vlib_frame_scalar_args (f); + /* empty frame - store scalar data */ + store_tx_frame_scalar_data (copy_frame, tf); + to = vlib_frame_vector_args (f); + vlib_buffer_copy_indices (to, tmp + n_free, n_2nd_frame); + vlib_put_next_frame (vm, node, next_index, + VLIB_FRAME_SIZE - n_2nd_frame); + } + + return n_left - n_copy; +} + +static_always_inline void +enqueue_to_tx_node (vlib_main_t *vm, vlib_node_runtime_t *node, + vnet_hw_interface_t *hi, u32 next_index, + vnet_hw_if_output_node_runtime_t *r, u32 *from, void **p, + u32 n_vectors) +{ + u32 n_left = n_vectors; + + ASSERT (n_vectors <= VLIB_FRAME_SIZE); + + /* + * backward compatible for drivers not integrated with new tx infra. + */ + if (r == 0) + { + n_left = enqueue_one_to_tx_node (vm, node, NULL, from, NULL, n_vectors, + n_left, next_index); + } + /* + * only 1 tx queue of given interface is available on given thread + */ + else if (r->n_queues == 1) + { + n_left = enqueue_one_to_tx_node (vm, node, NULL, from, r->frame, + n_vectors, n_left, next_index); + } + /* + * multi tx-queues use case + */ + else if (r->n_queues > 1) + { + u32 qids[VLIB_FRAME_SIZE]; + + hash_func_with_mask (p, qids, n_vectors, r->lookup_table, + vec_len (r->lookup_table) - 1, hi->hf); - /* we have more indices to store, take empty frame */ - from += n_copy; - f = vlib_get_next_frame_internal (vm, node, next_index, 1); - store_tx_frame_scalar_data (r, vlib_frame_scalar_args (f)); - vlib_buffer_copy_indices (vlib_frame_vector_args (f), from, n_vectors); - vlib_put_next_frame (vm, node, next_index, VLIB_FRAME_SIZE - n_vectors); + for (u32 i = 0; i < r->n_queues; i++) + { + n_left = enqueue_one_to_tx_node (vm, node, qids, from, &r->frame[i], + n_vectors, n_left, next_index); + if (n_left == 0) + break; + } + } + else + ASSERT (0); } VLIB_NODE_FN (vnet_interface_output_node) @@ -418,6 +556,7 @@ VLIB_NODE_FN (vnet_interface_output_node) vnet_hw_interface_t *hi; vnet_sw_interface_t *si; vnet_interface_output_runtime_t *rt = (void *) node->runtime_data; + vnet_hw_if_output_node_runtime_t *r = 0; vlib_buffer_t *bufs[VLIB_FRAME_SIZE]; u32 n_bytes, n_buffers = frame->n_vectors; u32 config_index = ~0; @@ -427,6 +566,8 @@ VLIB_NODE_FN (vnet_interface_output_node) u8 arc = im->output_feature_arc_index; int arc_or_subif = 0; int do_tx_offloads = 0; + void *ptr[VLIB_FRAME_SIZE], **p = ptr; + u8 is_parr = 0; u32 *from; if (node->flags & VLIB_NODE_FLAG_TRACE) @@ -462,6 +603,27 @@ VLIB_NODE_FN (vnet_interface_output_node) node->node_index, VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DOWN); } + if (hi->output_node_thread_runtimes) + r = vec_elt_at_index (hi->output_node_thread_runtimes, vm->thread_index); + + if (r) + { + /* + * tx queue of given interface is not available on given thread + */ + if (r->n_queues == 0) + return vlib_error_drop_buffers ( + vm, node, from, + /* buffer stride */ 1, n_buffers, VNET_INTERFACE_OUTPUT_NEXT_DROP, + node->node_index, VNET_INTERFACE_OUTPUT_ERROR_NO_TX_QUEUE); + /* + * multiple tx queues available on given thread + */ + else if (r->n_queues > 1) + /* construct array of pointer */ + is_parr = 1; + } + /* interface-output feature arc handling */ if (PREDICT_FALSE (vnet_have_features (arc, sw_if_index))) { @@ -482,20 +644,28 @@ VLIB_NODE_FN (vnet_interface_output_node) VNET_HW_INTERFACE_CAP_SUPPORTS_TX_CKSUM) do_tx_offloads = 1; - if (do_tx_offloads == 0 && arc_or_subif == 0) + // basic processing + if (do_tx_offloads == 0 && arc_or_subif == 0 && is_parr == 0) n_bytes = vnet_interface_output_node_inline ( - vm, sw_if_index, ccm, bufs, config_index, arc, n_buffers, 0); - else if (do_tx_offloads == 1 && arc_or_subif == 0) + vm, sw_if_index, ccm, bufs, NULL, config_index, arc, n_buffers, 0); + // basic processing + tx offloads + else if (do_tx_offloads == 1 && arc_or_subif == 0 && is_parr == 0) n_bytes = vnet_interface_output_node_inline ( - vm, sw_if_index, ccm, bufs, config_index, arc, n_buffers, 1); + vm, sw_if_index, ccm, bufs, NULL, config_index, arc, n_buffers, 1); + // basic processing + tx offloads + vlans + arcs + else if (do_tx_offloads == 1 && arc_or_subif == 1 && is_parr == 0) + n_bytes = vnet_interface_output_node_inline ( + vm, sw_if_index, ccm, bufs, NULL, config_index, arc, n_buffers, 2); + // basic processing + tx offloads + vlans + arcs + multi-txqs else n_bytes = vnet_interface_output_node_inline ( - vm, sw_if_index, ccm, bufs, config_index, arc, n_buffers, 2); + vm, sw_if_index, ccm, bufs, p, config_index, arc, n_buffers, 3); from = vlib_frame_vector_args (frame); if (PREDICT_TRUE (next_index == VNET_INTERFACE_OUTPUT_NEXT_TX)) { - enqueu_to_tx_node (vm, node, hi, from, frame->n_vectors); + enqueue_to_tx_node (vm, node, hi, next_index, r, from, ptr, + frame->n_vectors); } else { @@ -1087,16 +1257,14 @@ VLIB_NODE_FN (vnet_interface_output_arc_end_node) { vnet_main_t *vnm = vnet_get_main (); vnet_interface_main_t *im = &vnm->interface_main; - vnet_hw_if_output_node_runtime_t *r = 0; vnet_hw_interface_t *hi; - vnet_hw_if_tx_frame_t *tf; vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs; u32 sw_if_indices[VLIB_FRAME_SIZE], *sw_if_index = sw_if_indices; u64 used_elts[VLIB_FRAME_SIZE / 64] = {}; u64 mask[VLIB_FRAME_SIZE / 64] = {}; - u32 *tmp, *from, n_left, n_free, n_comp, *to, swif, off; + u32 *tmp, *from, n_left, n_comp, n_p_comp, swif, off; u16 next_index; - vlib_frame_t *f; + void *ptr[VLIB_FRAME_SIZE], **p = ptr; from = vlib_frame_vector_args (frame); n_left = frame->n_vectors; @@ -1108,11 +1276,17 @@ VLIB_NODE_FN (vnet_interface_output_arc_end_node) vlib_prefetch_buffer_header (b[5], LOAD); vlib_prefetch_buffer_header (b[6], LOAD); vlib_prefetch_buffer_header (b[7], LOAD); + + p[0] = vlib_buffer_get_current (b[0]); + p[1] = vlib_buffer_get_current (b[1]); + p[2] = vlib_buffer_get_current (b[2]); + p[3] = vlib_buffer_get_current (b[3]); sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; sw_if_index[1] = vnet_buffer (b[1])->sw_if_index[VLIB_TX]; sw_if_index[2] = vnet_buffer (b[2])->sw_if_index[VLIB_TX]; sw_if_index[3] = vnet_buffer (b[3])->sw_if_index[VLIB_TX]; + p += 4; b += 4; sw_if_index += 4; n_left -= 4; @@ -1120,7 +1294,9 @@ VLIB_NODE_FN (vnet_interface_output_arc_end_node) while (n_left) { + p[0] = vlib_buffer_get_current (b[0]); sw_if_index[0] = vnet_buffer (b[0])->sw_if_index[VLIB_TX]; + p++; b++; sw_if_index++; n_left--; @@ -1137,68 +1313,40 @@ VLIB_NODE_FN (vnet_interface_output_arc_end_node) more: next_index = vec_elt (im->if_out_arc_end_next_index_by_sw_if_index, swif); hi = vnet_get_sup_hw_interface (vnm, swif); + vnet_hw_if_output_node_runtime_t *r = 0; + void *ptr_tmp[VLIB_FRAME_SIZE], **p_tmp = ptr_tmp; + if (hi->output_node_thread_runtimes) r = vec_elt_at_index (hi->output_node_thread_runtimes, vm->thread_index); - f = vlib_get_next_frame_internal (vm, node, next_index, 0); - tf = vlib_frame_scalar_args (f); - - if (f->n_vectors > 0 && (r == 0 || r->frame.queue_id == tf->queue_id)) - { - /* append frame */ - n_free = VLIB_FRAME_SIZE - f->n_vectors; - if (n_free >= f->n_vectors) - to = (u32 *) vlib_frame_vector_args (f) + f->n_vectors; - else - to = tmp; - } - else - { - if (f->n_vectors > 0) - { - /* current frame doesn't fit - grab empty one */ - f = vlib_get_next_frame_internal (vm, node, next_index, 1); - tf = vlib_frame_scalar_args (f); - } - - /* empty frame - store scalar data */ - store_tx_frame_scalar_data (r, tf); - n_free = VLIB_FRAME_SIZE; - to = vlib_frame_vector_args (f); - } /* compare and compress based on comparison mask */ clib_mask_compare_u32 (swif, sw_if_indices, mask, frame->n_vectors); - n_comp = clib_compress_u32 (to, from, mask, frame->n_vectors); + n_comp = clib_compress_u32 (tmp, from, mask, frame->n_vectors); - if (tmp != to) - { - /* indices already written to frame, just close it */ - vlib_put_next_frame (vm, node, next_index, n_free - n_comp); - } - else if (n_free >= n_comp) + /* + * tx queue of given interface is not available on given thread + */ + if (r) { - /* enough space in the existing frame */ - to = (u32 *) vlib_frame_vector_args (f) + f->n_vectors; - vlib_buffer_copy_indices (to, tmp, n_comp); - vlib_put_next_frame (vm, node, next_index, n_free - n_comp); + if (r->n_queues == 0) + { + vlib_error_drop_buffers ( + vm, node, tmp, + /* buffer stride */ 1, n_comp, VNET_INTERFACE_OUTPUT_NEXT_DROP, + node->node_index, VNET_INTERFACE_OUTPUT_ERROR_NO_TX_QUEUE); + goto drop; + } + else if (r->n_queues > 1) + { + n_p_comp = clib_compress_u64 ((u64 *) p_tmp, (u64 *) ptr, mask, + frame->n_vectors); + ASSERT (n_p_comp == n_comp); + } } - else - { - /* full frame */ - to = (u32 *) vlib_frame_vector_args (f) + f->n_vectors; - vlib_buffer_copy_indices (to, tmp, n_free); - vlib_put_next_frame (vm, node, next_index, 0); - /* second frame */ - u32 n_frame2 = n_comp - n_free; - f = vlib_get_next_frame_internal (vm, node, next_index, 1); - to = vlib_frame_vector_args (f); - vlib_buffer_copy_indices (to, tmp + n_free, n_frame2); - tf = vlib_frame_scalar_args (f); - store_tx_frame_scalar_data (r, tf); - vlib_put_next_frame (vm, node, next_index, VLIB_FRAME_SIZE - n_frame2); - } + enqueue_to_tx_node (vm, node, hi, next_index, r, tmp, ptr_tmp, n_comp); +drop: n_left -= n_comp; if (n_left) { diff --git a/src/vnet/interface_test.c b/src/vnet/interface_test.c index 4a1681f4eac..c3ddcd74cc4 100644 --- a/src/vnet/interface_test.c +++ b/src/vnet/interface_test.c @@ -569,6 +569,63 @@ api_sw_interface_set_rx_placement (vat_main_t *vam) return ret; } +static int +api_sw_interface_set_tx_placement (vat_main_t *vam) +{ + unformat_input_t *i = vam->input; + vl_api_sw_interface_set_tx_placement_t *mp; + u32 sw_if_index; + u8 sw_if_index_set = 0; + int ret; + uword *bitmap = 0; + u32 queue_id, n_bits = 0; + u32 v; + + /* Parse args required to build the message */ + while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) + { + if (unformat (i, "queue %d", &queue_id)) + ; + else if (unformat (i, "threads %U", unformat_bitmap_list, &bitmap)) + ; + else if (unformat (i, "mask %U", unformat_bitmap_mask, &bitmap)) + ; + else if (unformat (i, "%U", api_unformat_sw_if_index, vam, &sw_if_index)) + sw_if_index_set = 1; + else if (unformat (i, "sw_if_index %d", &sw_if_index)) + sw_if_index_set = 1; + else + break; + } + + if (sw_if_index_set == 0) + { + errmsg ("missing interface name or sw_if_index"); + return -99; + } + + n_bits = clib_bitmap_count_set_bits (bitmap); + /* Construct the API message */ + M2 (SW_INTERFACE_SET_TX_PLACEMENT, mp, sizeof (u32) * n_bits); + mp->sw_if_index = htonl (sw_if_index); + mp->queue_id = htonl (queue_id); + mp->array_size = htonl (n_bits); + + v = clib_bitmap_first_set (bitmap); + for (u32 j = 0; j < n_bits; j++) + { + mp->threads[j] = htonl (v); + v = clib_bitmap_next_set (bitmap, v + 1); + } + + /* send it... */ + S (mp); + /* Wait for a reply, return the good/bad news... */ + W (ret); + clib_bitmap_free (bitmap); + return ret; +} + static int api_interface_name_renumber (vat_main_t *vam) { @@ -844,6 +901,25 @@ vl_api_sw_interface_rx_placement_details_t_handler ( ((mp->mode == 2) ? "interrupt" : "adaptive")); } +static __clib_unused void +vl_api_sw_interface_tx_placement_details_t_handler ( + vl_api_sw_interface_tx_placement_details_t *mp) +{ + vat_main_t *vam = interface_test_main.vat_main; + u32 size = ntohl (mp->array_size); + uword *bitmap = 0; + + for (u32 i = 0; i < size; i++) + { + u32 thread_index = ntohl (mp->threads[i]); + bitmap = clib_bitmap_set (bitmap, thread_index, 1); + } + + print (vam->ofp, "\n%-11d %-6d %-7s %U", ntohl (mp->sw_if_index), + ntohl (mp->queue_id), (mp->shared == 1) ? "yes" : "no", + format_bitmap_list, bitmap); +} + static void vl_api_create_vlan_subif_reply_t_handler (vl_api_create_vlan_subif_reply_t *mp) { @@ -960,6 +1036,52 @@ api_sw_interface_rx_placement_dump (vat_main_t *vam) return ret; } +static int +api_sw_interface_tx_placement_get (vat_main_t *vam) +{ + unformat_input_t *i = vam->input; + vl_api_sw_interface_tx_placement_get_t *mp; + vl_api_control_ping_t *mp_ping; + int ret; + u32 sw_if_index; + u8 sw_if_index_set = 0; + + while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) + { + if (unformat (i, "%U", api_unformat_sw_if_index, vam, &sw_if_index)) + sw_if_index_set++; + else if (unformat (i, "sw_if_index %d", &sw_if_index)) + sw_if_index_set++; + else + break; + } + + fformat (vam->ofp, "\n%-11s %-6s %-7s %-11s", "sw_if_index", "queue", + "shared", "threads"); + + /* Dump Interface tx placement */ + M (SW_INTERFACE_TX_PLACEMENT_GET, mp); + + if (sw_if_index_set) + mp->sw_if_index = htonl (sw_if_index); + else + mp->sw_if_index = ~0; + + S (mp); + + /* Use a control ping for synchronization */ + PING (&interface_test_main, mp_ping); + S (mp_ping); + + W (ret); + return ret; +} + +static void +vl_api_sw_interface_tx_placement_get_reply_t_handler () +{ +} + static int api_sw_interface_clear_stats (vat_main_t *vam) { diff --git a/src/vnet/pg/stream.c b/src/vnet/pg/stream.c index 605567c1296..2c75c2b2bc3 100644 --- a/src/vnet/pg/stream.c +++ b/src/vnet/pg/stream.c @@ -245,6 +245,7 @@ VNET_HW_INTERFACE_CLASS (pg_tun_hw_interface_class) = { .build_rewrite = NULL, //.update_adjacency = gre_update_adj, .flags = VNET_HW_INTERFACE_CLASS_FLAG_P2P, + .tx_hash_fn_type = VNET_HASH_FN_TYPE_IP, }; u32 -- cgit 1.2.3-korg