vpp - Vector Packet Processing

Age	Commit message (Collapse)	Author	Files	Lines
2020-06-25	misc: add gdb macros	Dave Barach	1	-0/+100
	These gdb macros should prove very helpul when poking around in core files. Pifi (pool_is_free_index) is not straighforward. Best to work it out once. Others: bitmap_get = clib_bitmap_get vl = vec_len pe = pool_elts node_name_from_index, as described vnet_buffer_opaque, prints the primary buffer opaque vnet_buffer_opaque2, prints the secondary buffer opaque Fix vppinfra unit-test compile error Type: improvement Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Id2a2391a47e5a07cf3757f473e3805cc04784161
2017-09-07	Fix session connect_* api message handling.	Dave Wallace	2	-6/+6
	Change-Id: If7fd125989c90240de12953658d10007b9eb4f07 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2017-08-11	Add VPP Communications Library (VCL)	Dave Wallace	3	-0/+27
	- VCL library - client/server test application - test script (make test integration tbd) - gdb command file templates - vppcom test config file Change-Id: I21eab7aa09b4e5dc3412acf5c2eab07415c2fc0f Signed-off-by: Dave Wallace <dwallacelf@gmail.com>

#include <vnet/vnet.h> #include <vnet/plugin/plugin.h> #include <vpp/app/version.h> #include <vnet/session/session.h> #include <vnet/session/segment_manager.h> #include <vnet/session/application.h> #define SEG_MGR_TEST_I(_cond, _comment, _args...) \ ({ \ int _evald = (_cond); \ if (!(_evald)) { \ fformat(stderr, "FAIL:%d: " _comment "\n", \ __LINE__, ##_args); \ } else { \ fformat(stderr, "PASS:%d: " _comment "\n", \ __LINE__, ##_args); \ } \ _evald; \ }) #define SEG_MGR_TEST(_cond, _comment, _args...) \ { \ if (!SEG_MGR_TEST_I(_cond, _comment, ##_args)) { \ return 1; \ } \ } #define ST_DBG(_comment, _args...) \ fformat(stderr, _comment "\n", ##_args); \ #define SEGMENT_MANAGER_GET_INDEX_FROM_HANDLE(x) (x >> 32) /* dummy callback functions */ static void dummy_session_reset_callback (session_t * s) { clib_warning ("called..."); } static int dummy_session_connected_callback (u32 app_index, u32 api_context, session_t * s, session_error_t err) { clib_warning ("called..."); return 0; } static int dummy_add_segment_callback (u32 client_index, u64 segment_handle) { clib_warning ("called..."); return 0; } static int dummy_del_segment_callback (u32 client_index, u64 segment_handle) { clib_warning ("called..."); return 0; } static void dummy_session_disconnect_callback (session_t * s) { clib_warning ("called..."); } static int dummy_session_accept_callback (session_t * s) { clib_warning ("called..."); return 0; } static int dummy_server_rx_callback (session_t * s) { clib_warning ("called..."); return -1; } /* *INDENT-OFF* */ static session_cb_vft_t dummy_session_cbs = { .session_reset_callback = dummy_session_reset_callback, .session_connected_callback = dummy_session_connected_callback, .session_accept_callback = dummy_session_accept_callback, .session_disconnect_callback = dummy_session_disconnect_callback, .builtin_app_rx_callback = dummy_server_rx_callback, .add_segment_callback = dummy_add_segment_callback, .del_segment_callback = dummy_del_segment_callback, }; /* *INDENT-ON* */ static char *states_str[] = { #define _(sym,str) str, foreach_segment_mem_status #undef _ }; static u32 size_4KB = 4 << 10; static u32 size_8KB = 8 << 10; static u32 size_12KB = 12 << 10; static u32 size_16KB = 16 << 10; static u32 size_20KB = 20 << 10; static u32 size_32KB = 32 << 10; static u32 size_52KB = 52 << 10; static u32 size_64KB = 64 << 10; static u32 size_128KB = 128 << 10; static u32 size_1MB = 1 << 20; static u32 size_2MB = 2 << 20; static int segment_manager_test_pressure_1 (vlib_main_t * vm, unformat_input_t * input) { int rv; segment_manager_t *sm; fifo_segment_t *fs0, *fs; svm_fifo_t *rx_fifo, *tx_fifo; uword app_seg_size = size_2MB; u32 fifo_size = size_128KB; u64 options[APP_OPTIONS_N_OPTIONS]; u8 data[size_128KB]; memset (&options, 0, sizeof (options)); vnet_app_attach_args_t attach_args = { .api_client_index = ~0, .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, .name = format (0, "segment_manager_test_pressure_1"), }; attach_args.options[APP_OPTIONS_SEGMENT_SIZE] = app_seg_size; attach_args.options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; attach_args.options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size; attach_args.options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size; rv = vnet_application_attach (&attach_args); SEG_MGR_TEST ((rv == 0), "vnet_application_attach %d", rv); sm = segment_manager_get (SEGMENT_MANAGER_GET_INDEX_FROM_HANDLE (attach_args.segment_handle)); SEG_MGR_TEST ((sm != 0), "segment_manager_get %p", sm); /* initial status : (0 / 2MB) */ fs0 = segment_manager_get_segment (sm, 0); rv = fifo_segment_get_mem_status (fs0); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* allocate a fifo : 128KB x2 */ rv = segment_manager_alloc_session_fifos (sm, vlib_get_thread_index (), &rx_fifo, &tx_fifo); SEG_MGR_TEST ((rv == 0), "segment_manager_alloc_session_fifos %d", rv); svm_fifo_set_size (rx_fifo, size_1MB); svm_fifo_set_size (tx_fifo, size_1MB); fs = segment_manager_get_segment (sm, rx_fifo->segment_index); SEG_MGR_TEST ((fs == fs0), "fs %p", fs); /* fill fifos (but not add chunks) */ svm_fifo_enqueue (rx_fifo, fifo_size - 1, data); svm_fifo_enqueue (tx_fifo, fifo_size - 1, data); /* 256KB+ / 2048KB+ => ~12% */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* grow fifos */ svm_fifo_enqueue (rx_fifo, fifo_size, data); svm_fifo_enqueue (rx_fifo, fifo_size, data); svm_fifo_enqueue (rx_fifo, fifo_size, data); svm_fifo_enqueue (tx_fifo, fifo_size, data); svm_fifo_enqueue (tx_fifo, fifo_size, data); svm_fifo_enqueue (tx_fifo, fifo_size, data); /* 8 chunks : 49% */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* grow fifos */ svm_fifo_enqueue (rx_fifo, fifo_size, data); svm_fifo_enqueue (tx_fifo, fifo_size, data); /* 10 chunks : 61% */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_LOW_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* grow fifos */ svm_fifo_enqueue (rx_fifo, fifo_size, data); svm_fifo_enqueue (rx_fifo, fifo_size, data); svm_fifo_enqueue (tx_fifo, fifo_size, data); svm_fifo_enqueue (tx_fifo, fifo_size, data); /* 14 chunks : 85% */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_HIGH_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* shrink fifos */ svm_fifo_dequeue_drop (rx_fifo, fifo_size); svm_fifo_dequeue_drop (rx_fifo, fifo_size); svm_fifo_dequeue_drop (tx_fifo, fifo_size); svm_fifo_dequeue_drop (tx_fifo, fifo_size); /* 10 chunks : 61% */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_LOW_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* grow fifos */ svm_fifo_enqueue (rx_fifo, fifo_size, data); svm_fifo_enqueue (rx_fifo, fifo_size, data); svm_fifo_enqueue (tx_fifo, fifo_size, data); svm_fifo_enqueue (tx_fifo, fifo_size, data); /* 14 chunks : 85% */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_HIGH_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); svm_fifo_dequeue_drop (rx_fifo, fifo_size); svm_fifo_dequeue_drop (rx_fifo, fifo_size); svm_fifo_dequeue_drop (tx_fifo, fifo_size); svm_fifo_dequeue_drop (tx_fifo, fifo_size); /* 10 chunks : 61% */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_LOW_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* shrink fifos */ svm_fifo_dequeue_drop (rx_fifo, fifo_size); svm_fifo_dequeue_drop (rx_fifo, fifo_size); svm_fifo_dequeue_drop (rx_fifo, fifo_size); svm_fifo_dequeue_drop (rx_fifo, fifo_size); svm_fifo_dequeue_drop (tx_fifo, fifo_size); svm_fifo_dequeue_drop (tx_fifo, fifo_size); svm_fifo_dequeue_drop (tx_fifo, fifo_size); svm_fifo_dequeue_drop (tx_fifo, fifo_size); /* 2 chunks : 12% */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); vnet_app_detach_args_t detach_args = { .app_index = attach_args.app_index, .api_client_index = ~0, }; rv = vnet_application_detach (&detach_args); SEG_MGR_TEST ((rv == 0), "vnet_application_detach %d", rv); return 0; } static int segment_manager_test_pressure_2 (vlib_main_t * vm, unformat_input_t * input) { int rv, i; segment_manager_t *sm; fifo_segment_t *fs0, *fs; svm_fifo_t *rx_fifo, *tx_fifo; uword app_seg_size = size_2MB; u32 fifo_size = size_4KB; u64 options[APP_OPTIONS_N_OPTIONS]; u8 data[size_4KB]; memset (&options, 0, sizeof (options)); vnet_app_attach_args_t attach_args = { .api_client_index = ~0, .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, .name = format (0, "segment_manager_test_pressure_1"), }; attach_args.options[APP_OPTIONS_SEGMENT_SIZE] = app_seg_size; attach_args.options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; attach_args.options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size; attach_args.options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size; rv = vnet_application_attach (&attach_args); SEG_MGR_TEST ((rv == 0), "vnet_application_attach %d", rv); sm = segment_manager_get (SEGMENT_MANAGER_GET_INDEX_FROM_HANDLE (attach_args.segment_handle)); SEG_MGR_TEST ((sm != 0), "segment_manager_get %p", sm); /* initial status : (0 / 2MB) */ fs0 = segment_manager_get_segment (sm, 0); fifo_segment_update_free_bytes (fs0); rv = fifo_segment_get_mem_status (fs0); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* allocate fifos : 4KB x2 */ rv = segment_manager_alloc_session_fifos (sm, vlib_get_thread_index (), &rx_fifo, &tx_fifo); SEG_MGR_TEST ((rv == 0), "segment_manager_alloc_session_fifos %d", rv); svm_fifo_set_size (rx_fifo, size_2MB); svm_fifo_set_size (tx_fifo, size_2MB); /* fill fifos (but not add chunks) */ svm_fifo_enqueue (rx_fifo, fifo_size - 1, data); svm_fifo_enqueue (tx_fifo, fifo_size - 1, data); fs = segment_manager_get_segment (sm, rx_fifo->segment_index); /* grow fifos */ for (i = 0; i < 509; ++i) { svm_fifo_enqueue (rx_fifo, fifo_size, data); } /* 510 chunks : 100% of 2MB */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_HIGH_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* this fifo growth is expected to fail */ rv = svm_fifo_enqueue (rx_fifo, fifo_size, data); SEG_MGR_TEST ((rv == SVM_FIFO_EGROW), "svm_fifo_enqueue %d", rv); /* then, no-memory is detected */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_MEMORY), "fifo_segment_get_mem_status %s", states_str[rv]); /* shrink fifos */ for (i = 0; i < 20; ++i) { svm_fifo_dequeue_drop (rx_fifo, fifo_size); } /* 489 chunks : 96%, it is high-pressure level * but the reached-mem-limit record is not reset * so the no-memory state lasts. */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_MEMORY), "fifo_segment_get_mem_status %s", states_str[rv]); /* shrink fifos */ for (i = 0; i < 133; ++i) { svm_fifo_dequeue_drop (rx_fifo, fifo_size); } /* 356 chunks : 70% of 2MB */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_LOW_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* shrink fifos */ for (i = 0; i < 354; ++i) { svm_fifo_dequeue_drop (rx_fifo, fifo_size); } /* 2 chunks : 3% of 2MB */ fifo_segment_update_free_bytes (fs); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); vnet_app_detach_args_t detach_args = { .app_index = attach_args.app_index, .api_client_index = ~0, }; rv = vnet_application_detach (&detach_args); SEG_MGR_TEST ((rv == 0), "vnet_application_detach %d", rv); return 0; } static int segment_manager_test_fifo_balanced_alloc (vlib_main_t * vm, unformat_input_t * input) { int rv, i, fs_index; segment_manager_t *sm; fifo_segment_t *fs[4]; svm_fifo_t *rx_fifo[4], *tx_fifo[4]; uword app_seg_size = size_2MB; u32 fifo_size = size_4KB; u64 options[APP_OPTIONS_N_OPTIONS]; u8 data[size_4KB]; memset (&options, 0, sizeof (options)); vnet_app_attach_args_t attach_args = { .api_client_index = ~0, .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, .name = format (0, "segment_manager_test_pressure_1"), }; attach_args.options[APP_OPTIONS_SEGMENT_SIZE] = app_seg_size; attach_args.options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; attach_args.options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size; attach_args.options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size; rv = vnet_application_attach (&attach_args); SEG_MGR_TEST ((rv == 0), "vnet_application_attach %d", rv); sm = segment_manager_get (SEGMENT_MANAGER_GET_INDEX_FROM_HANDLE (attach_args.segment_handle)); SEG_MGR_TEST ((sm != 0), "segment_manager_get %p", sm); /* initial status : (0 / 2MB) */ fs[0] = segment_manager_get_segment (sm, 0); rv = fifo_segment_get_mem_status (fs[0]); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* allocate fifos : 4KB x2 */ rv = segment_manager_alloc_session_fifos (sm, vlib_get_thread_index (), &rx_fifo[0], &tx_fifo[0]); SEG_MGR_TEST ((rv == 0), "segment_manager_alloc_session_fifos %d", rv); SEG_MGR_TEST ((rx_fifo[0]->segment_index == 0), "segment_index %d", rx_fifo[0]->segment_index); SEG_MGR_TEST ((tx_fifo[0]->segment_index == 0), "segment_index %d", tx_fifo[0]->segment_index); /* grow fifos */ svm_fifo_set_size (rx_fifo[0], size_1MB); for (i = 0; i < 200; ++i) { svm_fifo_enqueue (rx_fifo[0], fifo_size, data); } /* add another 2MB segment */ fs_index = segment_manager_add_segment (sm, size_2MB); SEG_MGR_TEST ((fs_index == 1), "fs_index %d", fs_index); /* allocate fifos : 4KB x2 * expected to be allocated on the newer segment, * because the usage of the first segment is high. */ rv = segment_manager_alloc_session_fifos (sm, vlib_get_thread_index (), &rx_fifo[1], &tx_fifo[1]); SEG_MGR_TEST ((rv == 0), "segment_manager_alloc_session_fifos %d", rv); SEG_MGR_TEST ((rx_fifo[1]->segment_index == 1), "segment_index %d", rx_fifo[1]->segment_index); SEG_MGR_TEST ((tx_fifo[1]->segment_index == 1), "segment_index %d", tx_fifo[1]->segment_index); /* allocate fifos : 4KB x2 * expected to be allocated on the newer segment. */ rv = segment_manager_alloc_session_fifos (sm, vlib_get_thread_index (), &rx_fifo[2], &tx_fifo[2]); SEG_MGR_TEST ((rv == 0), "segment_manager_alloc_session_fifos %d", rv); SEG_MGR_TEST ((rx_fifo[2]->segment_index == 1), "segment_index %d", rx_fifo[2]->segment_index); SEG_MGR_TEST ((tx_fifo[2]->segment_index == 1), "segment_index %d", tx_fifo[2]->segment_index); /* grow fifos, so the usage of the secong segment becomes * higher than the first one. */ svm_fifo_set_size (rx_fifo[1], size_1MB); for (i = 0; i < 400; ++i) { svm_fifo_enqueue (rx_fifo[1], fifo_size, data); } /* allocate fifos : 4KB x2 * expected to be allocated on the first segment. */ rv = segment_manager_alloc_session_fifos (sm, vlib_get_thread_index (), &rx_fifo[3], &tx_fifo[3]); SEG_MGR_TEST ((rv == 0), "segment_manager_alloc_session_fifos %d", rv); SEG_MGR_TEST ((rx_fifo[3]->segment_index == 0), "segment_index %d", rx_fifo[3]->segment_index); SEG_MGR_TEST ((tx_fifo[3]->segment_index == 0), "segment_index %d", tx_fifo[3]->segment_index); vnet_app_detach_args_t detach_args = { .app_index = attach_args.app_index, .api_client_index = ~0, }; rv = vnet_application_detach (&detach_args); SEG_MGR_TEST ((rv == 0), "vnet_application_detach %d", rv); return 0; } static int segment_manager_test_fifo_ops (vlib_main_t * vm, unformat_input_t * input) { int rv, i; segment_manager_t *sm; fifo_segment_t *fs; svm_fifo_t *rx_fifo, *tx_fifo; uword app_seg_size = size_2MB, most_grown = 0; u32 fifo_size = size_4KB; u32 max_dequeue = 0; u64 options[APP_OPTIONS_N_OPTIONS]; u8 data[size_128KB]; memset (&options, 0, sizeof (options)); vnet_app_attach_args_t attach_args = { .api_client_index = ~0, .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, .name = format (0, "segment_manager_test_pressure_1"), }; attach_args.options[APP_OPTIONS_SEGMENT_SIZE] = app_seg_size; attach_args.options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; attach_args.options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size; attach_args.options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size; rv = vnet_application_attach (&attach_args); SEG_MGR_TEST ((rv == 0), "vnet_application_attach %d", rv); sm = segment_manager_get (SEGMENT_MANAGER_GET_INDEX_FROM_HANDLE (attach_args.segment_handle)); SEG_MGR_TEST ((sm != 0), "segment_manager_get %p", sm); /* initial status : (0 / 2MB) */ fs = segment_manager_get_segment (sm, 0); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* allocate fifos : 4KB x2 */ rv = segment_manager_alloc_session_fifos (sm, vlib_get_thread_index (), &rx_fifo, &tx_fifo); SEG_MGR_TEST ((rv == 0), "segment_manager_alloc_session_fifos %d", rv); /* check the initial fifo size : 4KB */ rv = svm_fifo_size (rx_fifo); SEG_MGR_TEST ((rv == size_4KB), "svm_fifo_size %d", rv); /* fill 4KB */ rv = svm_fifo_enqueue (rx_fifo, size_4KB, data); SEG_MGR_TEST ((rv == size_4KB), "svm_fifo_enqueue %d", rv); max_dequeue = svm_fifo_max_dequeue (rx_fifo); SEG_MGR_TEST ((max_dequeue == size_4KB), "max_dequeue %u", max_dequeue); /* grow the fifo size : 4KB -> 8KB */ svm_fifo_set_size (rx_fifo, size_8KB); rv = svm_fifo_size (rx_fifo); SEG_MGR_TEST ((rv == size_8KB), "svm_fifo_size %d", rv); /* verify that fifo cannot grow larger than the fifo size */ /* 4KB + 8KB > 8KB, so only 4KB is queued */ rv = svm_fifo_enqueue (rx_fifo, size_8KB, data); SEG_MGR_TEST ((rv == size_4KB), "svm_fifo_enqueue %d", rv); max_dequeue = svm_fifo_max_dequeue (rx_fifo); SEG_MGR_TEST ((max_dequeue == size_8KB), "max_dequeue %u", max_dequeue); /* grow the fifo size : 8KB -> 16KB */ svm_fifo_set_size (rx_fifo, size_16KB); /* 8KB + 4KB = 12KB */ svm_fifo_enqueue (rx_fifo, size_4KB, data); max_dequeue = svm_fifo_max_dequeue (rx_fifo); SEG_MGR_TEST ((max_dequeue == size_12KB), "max_dequeue %u", max_dequeue); /* grow the fifo size : 16KB -> 32KB */ svm_fifo_set_size (rx_fifo, size_32KB); /* 12KB + 8KB = 20KB */ svm_fifo_enqueue (rx_fifo, size_8KB, data); max_dequeue = svm_fifo_max_dequeue (rx_fifo); SEG_MGR_TEST ((max_dequeue == size_20KB), "max_dequeue %u", max_dequeue); /* grow the fifo size : 32KB -> 64KB */ svm_fifo_set_size (rx_fifo, size_64KB); /* 20KB + 32KB = 52KB */ svm_fifo_enqueue (rx_fifo, size_32KB, data); max_dequeue = svm_fifo_max_dequeue (rx_fifo); SEG_MGR_TEST ((max_dequeue == size_52KB), "max_dequeue %u", max_dequeue); /* bulk enqueue */ for (i = 0; i < 55; ++i) { svm_fifo_set_size (rx_fifo, svm_fifo_size (rx_fifo) + size_32KB); svm_fifo_enqueue (rx_fifo, size_32KB, data); } max_dequeue = svm_fifo_max_dequeue (rx_fifo); SEG_MGR_TEST ((max_dequeue == (size_52KB + size_32KB * 55)), "max_dequeue %u", max_dequeue); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_HIGH_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); most_grown = svm_fifo_size (rx_fifo); /* dequeue */ svm_fifo_dequeue_drop (rx_fifo, size_20KB); svm_fifo_dequeue_drop (rx_fifo, size_32KB); /* bulk dequeue */ for (i = 0; i < 20; ++i) svm_fifo_dequeue_drop (rx_fifo, size_32KB); max_dequeue = svm_fifo_max_dequeue (rx_fifo); SEG_MGR_TEST ((max_dequeue == (size_32KB * 35)), "max_dequeue %u", max_dequeue); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_LOW_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* bulk dequeue */ for (i = 0; i < 10; ++i) svm_fifo_dequeue_drop (rx_fifo, size_32KB); max_dequeue = svm_fifo_max_dequeue (rx_fifo); SEG_MGR_TEST ((max_dequeue == (size_32KB * 25)), "max_dequeue %u", max_dequeue); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* bulk enqueue */ for (i = 0; i < 30; ++i) svm_fifo_enqueue (rx_fifo, size_32KB, data); max_dequeue = svm_fifo_max_dequeue (rx_fifo); SEG_MGR_TEST ((max_dequeue == (size_32KB * 55)), "max_dequeue %u", max_dequeue); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_HIGH_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* bulk dequeue */ for (i = 0; i < 20; ++i) svm_fifo_dequeue_drop (rx_fifo, size_32KB); max_dequeue = svm_fifo_max_dequeue (rx_fifo); SEG_MGR_TEST ((max_dequeue == (size_32KB * 35)), "max_dequeue %u", max_dequeue); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_LOW_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* bulk dequeue */ for (i = 0; i < 35; ++i) svm_fifo_dequeue_drop (rx_fifo, size_32KB); max_dequeue = svm_fifo_max_dequeue (rx_fifo); SEG_MGR_TEST ((max_dequeue == 0), "max_dequeue %u", max_dequeue); rv = fifo_segment_get_mem_status (fs); SEG_MGR_TEST ((rv == MEMORY_PRESSURE_NO_PRESSURE), "fifo_segment_get_mem_status %s", states_str[rv]); /* (virtual) fifo size is still large as it is not updated */ SEG_MGR_TEST ((rx_fifo->size == most_grown), "rx_fifo->size %u", rx_fifo->size); vnet_app_detach_args_t detach_args = { .app_index = attach_args.app_index, .api_client_index = ~0, }; rv = vnet_application_detach (&detach_args); SEG_MGR_TEST ((rv == 0), "vnet_application_detach %d", rv); return 0; } static int segment_manager_test_prealloc_hdrs (vlib_main_t * vm, unformat_input_t * input) { u32 fifo_size = size_4KB, prealloc_hdrs, sm_index, fs_index; u64 options[APP_OPTIONS_N_OPTIONS]; uword app_seg_size = size_2MB; segment_manager_t *sm; fifo_segment_t *fs; int rv; memset (&options, 0, sizeof (options)); vnet_app_attach_args_t attach_args = { .api_client_index = ~0, .options = options, .namespace_id = 0, .session_cb_vft = &dummy_session_cbs, .name = format (0, "segment_manager_prealloc_hdrs"), }; prealloc_hdrs = (app_seg_size - (16 << 10)) / sizeof (svm_fifo_t); attach_args.options[APP_OPTIONS_SEGMENT_SIZE] = app_seg_size; attach_args.options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; attach_args.options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size; attach_args.options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size; attach_args.options[APP_OPTIONS_PREALLOC_FIFO_HDRS] = prealloc_hdrs; rv = vnet_application_attach (&attach_args); vec_free (attach_args.name); SEG_MGR_TEST ((rv == 0), "vnet_application_attach %d", rv); segment_manager_parse_segment_handle (attach_args.segment_handle, &sm_index, &fs_index); sm = segment_manager_get (sm_index); SEG_MGR_TEST ((sm != 0), "seg manager is valid", sm); fs = segment_manager_get_segment (sm, fs_index); SEG_MGR_TEST (fifo_segment_num_free_fifos (fs) == prealloc_hdrs, "prealloc should be %u", prealloc_hdrs); vnet_app_detach_args_t detach_args = { .app_index = attach_args.app_index, .api_client_index = ~0, }; rv = vnet_application_detach (&detach_args); SEG_MGR_TEST ((rv == 0), "vnet_application_detach %d", rv); return 0; } static clib_error_t * segment_manager_test (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd_arg) { int res = 0; vnet_session_enable_disable (vm, 1); while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "pressure_levels_1")) res = segment_manager_test_pressure_1 (vm, input); else if (unformat (input, "pressure_levels_2")) res = segment_manager_test_pressure_2 (vm, input); else if (unformat (input, "alloc")) res = segment_manager_test_fifo_balanced_alloc (vm, input); else if (unformat (input, "fifo_ops")) res = segment_manager_test_fifo_ops (vm, input); else if (unformat (input, "prealloc_hdrs")) res = segment_manager_test_prealloc_hdrs (vm, input); else if (unformat (input, "all")) { if ((res = segment_manager_test_pressure_1 (vm, input))) goto done; if ((res = segment_manager_test_pressure_2 (vm, input))) goto done; if ((res = segment_manager_test_fifo_balanced_alloc (vm, input))) goto done; if ((res = segment_manager_test_fifo_ops (vm, input))) goto done; if ((res = segment_manager_test_prealloc_hdrs (vm, input))) goto done; } else break; } done: if (res) return clib_error_return (0, "Segment manager unit test failed."); return 0; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (tcp_test_command, static) = { .path = "test segment-manager", .short_help = "test segment manager [pressure_levels_1]" "[pressure_level_2][alloc][fifo_ops][prealloc_hdrs][all]", .function = segment_manager_test, }; /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */