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-rw-r--r--ui/cli/tap-macltestat.c551
1 files changed, 551 insertions, 0 deletions
diff --git a/ui/cli/tap-macltestat.c b/ui/cli/tap-macltestat.c
new file mode 100644
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--- /dev/null
+++ b/ui/cli/tap-macltestat.c
@@ -0,0 +1,551 @@
+/* tap-macltestat.c
+ * Copyright 2011 Martin Mathieson
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <epan/packet.h>
+#include <epan/tap.h>
+#include <epan/stat_tap_ui.h>
+#include <epan/dissectors/packet-mac-lte.h>
+
+void register_tap_listener_mac_lte_stat(void);
+
+/**********************************************/
+/* Table column identifiers and title strings */
+
+enum {
+ RNTI_COLUMN,
+ RNTI_TYPE_COLUMN,
+ UEID_COLUMN,
+ UL_FRAMES_COLUMN,
+ UL_BYTES_COLUMN,
+ UL_BW_COLUMN,
+ UL_PADDING_PERCENT_COLUMN,
+ UL_RETX_FRAMES_COLUMN,
+ DL_FRAMES_COLUMN,
+ DL_BYTES_COLUMN,
+ DL_BW_COLUMN,
+ DL_PADDING_PERCENT_COLUMN,
+ DL_CRC_FAILED_COLUMN,
+ DL_CRC_HIGH_CODE_RATE_COLUMN,
+ DL_CRC_PDSCH_LOST_COLUMN,
+ DL_CRC_DUPLICATE_NONZERO_RV_COLUMN,
+ DL_RETX_FRAMES_COLUMN,
+ NUM_UE_COLUMNS
+};
+
+
+static const gchar *ue_titles[] = { " RNTI", " Type", "UEId",
+ "UL Frames", "UL Bytes", "UL Mb/sec", " UL Pad %", "UL ReTX",
+ "DL Frames", "DL Bytes", "DL Mb/sec", " DL Pad %", "DL CRC Fail", "DL CRC HCR", "DL CRC PDSCH Lost", "DL CRC DupNonZeroRV", "DL ReTX"};
+
+
+/* Stats for one UE */
+typedef struct mac_lte_row_data {
+ /* Key for matching this row */
+ guint16 rnti;
+ guint8 rnti_type;
+ guint16 ueid;
+
+ gboolean is_predefined_data;
+
+ guint32 UL_frames;
+ guint32 UL_raw_bytes; /* all bytes */
+ guint32 UL_total_bytes; /* payload */
+ nstime_t UL_time_start;
+ nstime_t UL_time_stop;
+ guint32 UL_padding_bytes;
+ guint32 UL_CRC_errors;
+ guint32 UL_retx_frames;
+
+ guint32 DL_frames;
+ guint32 DL_raw_bytes; /* all bytes */
+ guint32 DL_total_bytes;
+ nstime_t DL_time_start;
+ nstime_t DL_time_stop;
+ guint32 DL_padding_bytes;
+
+ guint32 DL_CRC_failures;
+ guint32 DL_CRC_high_code_rate;
+ guint32 DL_CRC_PDSCH_lost;
+ guint32 DL_CRC_Duplicate_NonZero_RV;
+ guint32 DL_retx_frames;
+
+} mac_lte_row_data;
+
+
+/* One row/UE in the UE table */
+typedef struct mac_lte_ep {
+ struct mac_lte_ep *next;
+ struct mac_lte_row_data stats;
+} mac_lte_ep_t;
+
+
+/* Common channel stats */
+typedef struct mac_lte_common_stats {
+ guint32 all_frames;
+ guint32 mib_frames;
+ guint32 sib_frames;
+ guint32 sib_bytes;
+ guint32 pch_frames;
+ guint32 pch_bytes;
+ guint32 pch_paging_ids;
+ guint32 rar_frames;
+ guint32 rar_entries;
+
+ guint16 max_ul_ues_in_tti;
+ guint16 max_dl_ues_in_tti;
+} mac_lte_common_stats;
+
+
+/* Top-level struct for MAC LTE statistics */
+typedef struct mac_lte_stat_t {
+ /* Common stats */
+ mac_lte_common_stats common_stats;
+
+ /* Keep track of unique rntis & ueids */
+ guint8 used_ueids[65535];
+ guint8 used_rntis[65535];
+ guint16 number_of_ueids;
+ guint16 number_of_rntis;
+
+ mac_lte_ep_t *ep_list;
+} mac_lte_stat_t;
+
+
+/* Reset the statistics window */
+static void
+mac_lte_stat_reset(void *phs)
+{
+ mac_lte_stat_t *mac_lte_stat = (mac_lte_stat_t *)phs;
+ mac_lte_ep_t *list = mac_lte_stat->ep_list;
+
+ /* Reset counts of unique ueids & rntis */
+ memset(mac_lte_stat->used_ueids, 0, 65535);
+ mac_lte_stat->number_of_ueids = 0;
+ memset(mac_lte_stat->used_rntis, 0, 65535);
+ mac_lte_stat->number_of_rntis = 0;
+
+ /* Zero common stats */
+ memset(&(mac_lte_stat->common_stats), 0, sizeof(mac_lte_common_stats));
+
+ if (!list) {
+ return;
+ }
+
+ mac_lte_stat->ep_list = NULL;
+}
+
+
+/* Allocate a mac_lte_ep_t struct to store info for new UE */
+static mac_lte_ep_t *alloc_mac_lte_ep(const struct mac_lte_tap_info *si, packet_info *pinfo _U_)
+{
+ mac_lte_ep_t *ep;
+
+ if (!si) {
+ return NULL;
+ }
+
+ if (!(ep = g_new(mac_lte_ep_t, 1))) {
+ return NULL;
+ }
+
+ /* Copy SI data into ep->stats */
+ ep->stats.rnti = si->rnti;
+ ep->stats.rnti_type = si->rntiType;
+ ep->stats.ueid = si->ueid;
+
+ /* Counts for new UE are all 0 */
+ ep->stats.UL_frames = 0;
+ ep->stats.DL_frames = 0;
+ ep->stats.UL_total_bytes = 0;
+ ep->stats.UL_raw_bytes = 0;
+ ep->stats.UL_padding_bytes = 0;
+
+ ep->stats.DL_total_bytes = 0;
+ ep->stats.DL_raw_bytes = 0;
+ ep->stats.DL_padding_bytes = 0;
+
+ ep->stats.UL_CRC_errors = 0;
+ ep->stats.DL_CRC_failures = 0;
+ ep->stats.DL_CRC_high_code_rate = 0;
+ ep->stats.DL_CRC_PDSCH_lost = 0;
+ ep->stats.DL_CRC_Duplicate_NonZero_RV = 0;
+ ep->stats.UL_retx_frames = 0;
+ ep->stats.DL_retx_frames = 0;
+
+ ep->next = NULL;
+
+ return ep;
+}
+
+
+/* Update counts of unique rntis & ueids */
+static void update_ueid_rnti_counts(guint16 rnti, guint16 ueid, mac_lte_stat_t *hs)
+{
+ if (!hs->used_ueids[ueid]) {
+ hs->used_ueids[ueid] = TRUE;
+ hs->number_of_ueids++;
+ }
+ if (!hs->used_rntis[rnti]) {
+ hs->used_rntis[rnti] = TRUE;
+ hs->number_of_rntis++;
+ }
+}
+
+
+/* Process stat struct for a MAC LTE frame */
+static tap_packet_status
+mac_lte_stat_packet(void *phs, packet_info *pinfo, epan_dissect_t *edt _U_,
+ const void *phi, tap_flags_t flags _U_)
+{
+ /* Get reference to stat window instance */
+ mac_lte_stat_t *hs = (mac_lte_stat_t *)phs;
+ mac_lte_ep_t *tmp = NULL, *te = NULL;
+ int i;
+
+ /* Cast tap info struct */
+ const struct mac_lte_tap_info *si = (const struct mac_lte_tap_info *)phi;
+
+ if (!hs) {
+ return TAP_PACKET_DONT_REDRAW;
+ }
+
+ hs->common_stats.all_frames++;
+
+ /* For common channels, just update global counters */
+ switch (si->rntiType) {
+ case P_RNTI:
+ hs->common_stats.pch_frames++;
+ hs->common_stats.pch_bytes += si->single_number_of_bytes;
+ hs->common_stats.pch_paging_ids += si->number_of_paging_ids;
+ return TAP_PACKET_REDRAW;
+ case SI_RNTI:
+ hs->common_stats.sib_frames++;
+ hs->common_stats.sib_bytes += si->single_number_of_bytes;
+ return TAP_PACKET_REDRAW;
+ case NO_RNTI:
+ hs->common_stats.mib_frames++;
+ return TAP_PACKET_REDRAW;
+ case RA_RNTI:
+ hs->common_stats.rar_frames++;
+ hs->common_stats.rar_entries += si->number_of_rars;
+ return TAP_PACKET_REDRAW;
+ case C_RNTI:
+ case SPS_RNTI:
+ /* Drop through for per-UE update */
+ break;
+
+ default:
+ /* Error */
+ return TAP_PACKET_DONT_REDRAW;
+ }
+
+ /* Check max UEs/tti counter */
+ switch (si->direction) {
+ case DIRECTION_UPLINK:
+ hs->common_stats.max_ul_ues_in_tti =
+ MAX(hs->common_stats.max_ul_ues_in_tti, si->ueInTTI);
+ break;
+ case DIRECTION_DOWNLINK:
+ hs->common_stats.max_dl_ues_in_tti =
+ MAX(hs->common_stats.max_dl_ues_in_tti, si->ueInTTI);
+ break;
+ }
+
+ /* For per-UE data, must create a new row if none already existing */
+ if (!hs->ep_list) {
+ /* Allocate new list */
+ hs->ep_list = alloc_mac_lte_ep(si, pinfo);
+ /* Make it the first/only entry */
+ te = hs->ep_list;
+
+ /* Update counts of unique ueids & rntis */
+ update_ueid_rnti_counts(si->rnti, si->ueid, hs);
+ } else {
+ /* Look among existing rows for this RNTI */
+ for (tmp = hs->ep_list;(tmp != NULL); tmp = tmp->next) {
+ /* Match only by RNTI and UEId together */
+ if ((tmp->stats.rnti == si->rnti) &&
+ (tmp->stats.ueid == si->ueid)) {
+ te = tmp;
+ break;
+ }
+ }
+
+ /* Not found among existing, so create a new one anyway */
+ if (te == NULL) {
+ if ((te = alloc_mac_lte_ep(si, pinfo))) {
+ /* Add new item to end of list */
+ mac_lte_ep_t *p = hs->ep_list;
+ while (p->next) {
+ p = p->next;
+ }
+ p->next = te;
+ te->next = NULL;
+
+ /* Update counts of unique ueids & rntis */
+ update_ueid_rnti_counts(si->rnti, si->ueid, hs);
+ }
+ }
+ }
+
+ /* Really should have a row pointer by now */
+ if (!te) {
+ return TAP_PACKET_DONT_REDRAW;
+ }
+
+ /* Update entry with details from si */
+ te->stats.rnti = si->rnti;
+ te->stats.is_predefined_data = si->isPredefinedData;
+
+ /* Uplink */
+ if (si->direction == DIRECTION_UPLINK) {
+ if (si->isPHYRetx) {
+ te->stats.UL_retx_frames++;
+ return TAP_PACKET_REDRAW;
+ }
+
+ if (si->crcStatusValid && (si->crcStatus != crc_success)) {
+ te->stats.UL_CRC_errors++;
+ return TAP_PACKET_REDRAW;
+ }
+
+ /* Update time range */
+ if (te->stats.UL_frames == 0) {
+ te->stats.UL_time_start = si->mac_lte_time;
+ }
+ te->stats.UL_time_stop = si->mac_lte_time;
+
+ te->stats.UL_frames++;
+
+ te->stats.UL_raw_bytes += si->raw_length;
+ te->stats.UL_padding_bytes += si->padding_bytes;
+
+ if (si->isPredefinedData) {
+ te->stats.UL_total_bytes += si->single_number_of_bytes;
+ }
+ else {
+ for (i = 0; i < MAC_LTE_DATA_LCID_COUNT_MAX; i++) {
+ te->stats.UL_total_bytes += si->bytes_for_lcid[i];
+ }
+ }
+ }
+
+ /* Downlink */
+ else {
+ if (si->isPHYRetx) {
+ te->stats.DL_retx_frames++;
+ return TAP_PACKET_REDRAW;
+ }
+
+ if (si->crcStatusValid && (si->crcStatus != crc_success)) {
+ switch (si->crcStatus) {
+ case crc_fail:
+ te->stats.DL_CRC_failures++;
+ break;
+ case crc_high_code_rate:
+ te->stats.DL_CRC_high_code_rate++;
+ break;
+ case crc_pdsch_lost:
+ te->stats.DL_CRC_PDSCH_lost++;
+ break;
+ case crc_duplicate_nonzero_rv:
+ te->stats.DL_CRC_Duplicate_NonZero_RV++;
+ break;
+
+ default:
+ /* Something went wrong! */
+ break;
+ }
+ return TAP_PACKET_REDRAW;
+ }
+
+ /* Update time range */
+ if (te->stats.DL_frames == 0) {
+ te->stats.DL_time_start = si->mac_lte_time;
+ }
+ te->stats.DL_time_stop = si->mac_lte_time;
+
+ te->stats.DL_frames++;
+
+ te->stats.DL_raw_bytes += si->raw_length;
+ te->stats.DL_padding_bytes += si->padding_bytes;
+
+ if (si->isPredefinedData) {
+ te->stats.DL_total_bytes += si->single_number_of_bytes;
+ }
+ else {
+ for (i = 0; i < MAC_LTE_DATA_LCID_COUNT_MAX; i++) {
+ te->stats.DL_total_bytes += si->bytes_for_lcid[i];
+ }
+ }
+
+ }
+
+ return TAP_PACKET_REDRAW;
+}
+
+
+/* Calculate and return a bandwidth figure, in Mbs */
+static float calculate_bw(nstime_t *start_time, nstime_t *stop_time, guint32 bytes)
+{
+ /* Can only calculate bandwidth if have time delta */
+ if (memcmp(start_time, stop_time, sizeof(nstime_t)) != 0) {
+ float elapsed_ms = (((float)stop_time->secs - (float)start_time->secs) * 1000) +
+ (((float)stop_time->nsecs - (float)start_time->nsecs) / 1000000);
+
+ /* Only really meaningful if have a few frames spread over time...
+ For now at least avoid dividing by something very close to 0.0 */
+ if (elapsed_ms < 2.0) {
+ return 0.0f;
+ }
+ return ((bytes * 8) / elapsed_ms) / 1000;
+ }
+ else {
+ return 0.0f;
+ }
+}
+
+
+
+/* Output the accumulated stats */
+static void
+mac_lte_stat_draw(void *phs)
+{
+ gint i;
+ guint16 number_of_ues = 0;
+
+ /* Deref the struct */
+ mac_lte_stat_t *hs = (mac_lte_stat_t *)phs;
+ mac_lte_ep_t *list = hs->ep_list, *tmp = 0;
+
+ /* System data */
+ printf("System data:\n");
+ printf("============\n");
+ printf("Max UL UEs/TTI: %u Max DL UEs/TTI: %u\n\n",
+ hs->common_stats.max_ul_ues_in_tti, hs->common_stats.max_dl_ues_in_tti);
+
+ /* Common channel data */
+ printf("Common channel data:\n");
+ printf("====================\n");
+ printf("MIBs: %u ", hs->common_stats.mib_frames);
+ printf("SIB Frames: %u ", hs->common_stats.sib_frames);
+ printf("SIB Bytes: %u ", hs->common_stats.sib_bytes);
+ printf("PCH Frames: %u ", hs->common_stats.pch_frames);
+ printf("PCH Bytes: %u ", hs->common_stats.pch_bytes);
+ printf("PCH Paging IDs: %u ", hs->common_stats.pch_paging_ids);
+ printf("RAR Frames: %u ", hs->common_stats.rar_frames);
+ printf("RAR Entries: %u\n\n", hs->common_stats.rar_entries);
+
+
+ /* Per-UE table entries */
+
+ /* Set title to show how many UEs in table */
+ for (tmp = list; (tmp!=NULL); tmp=tmp->next, number_of_ues++);
+ printf("UL/DL-SCH data (%u entries - %u unique RNTIs, %u unique UEIds):\n",
+ number_of_ues, hs->number_of_rntis, hs->number_of_ueids);
+ printf("==================================================================\n");
+
+ /* Show column titles */
+ for (i=0; i < NUM_UE_COLUMNS; i++) {
+ printf("%s ", ue_titles[i]);
+ }
+ printf("\n");
+
+ /* Write a row for each UE */
+ for (tmp = list; tmp; tmp=tmp->next) {
+ /* Calculate bandwidth */
+ float UL_bw = calculate_bw(&tmp->stats.UL_time_start,
+ &tmp->stats.UL_time_stop,
+ tmp->stats.UL_total_bytes);
+ float DL_bw = calculate_bw(&tmp->stats.DL_time_start,
+ &tmp->stats.DL_time_stop,
+ tmp->stats.DL_total_bytes);
+
+ printf("%5u %7s %5u %10u %9u %10f %10f %8u %10u %9u %10f %10f %12u %11u %18u %20u %8u\n",
+ tmp->stats.rnti,
+ (tmp->stats.rnti_type == C_RNTI) ? "C-RNTI" : "SPS-RNTI",
+ tmp->stats.ueid,
+ tmp->stats.UL_frames,
+ tmp->stats.UL_total_bytes,
+ UL_bw,
+ tmp->stats.UL_raw_bytes ?
+ (((float)tmp->stats.UL_padding_bytes / (float)tmp->stats.UL_raw_bytes) * 100.0) :
+ 0.0,
+ tmp->stats.UL_retx_frames,
+ tmp->stats.DL_frames,
+ tmp->stats.DL_total_bytes,
+ DL_bw,
+ tmp->stats.DL_raw_bytes ?
+ (((float)tmp->stats.DL_padding_bytes / (float)tmp->stats.DL_raw_bytes) * 100.0) :
+ 0.0,
+ tmp->stats.DL_CRC_failures,
+ tmp->stats.DL_CRC_high_code_rate,
+ tmp->stats.DL_CRC_PDSCH_lost,
+ tmp->stats.DL_CRC_Duplicate_NonZero_RV,
+ tmp->stats.DL_retx_frames);
+ }
+}
+
+/* Create a new MAC LTE stats struct */
+static void mac_lte_stat_init(const char *opt_arg, void *userdata _U_)
+{
+ mac_lte_stat_t *hs;
+ const char *filter = NULL;
+ GString *error_string;
+
+ /* Check for a filter string */
+ if (strncmp(opt_arg, "mac-lte,stat,", 13) == 0) {
+ /* Skip those characters from filter to display */
+ filter = opt_arg + 13;
+ }
+ else {
+ /* No filter */
+ filter = NULL;
+ }
+
+ /* Create struct */
+ hs = g_new0(mac_lte_stat_t, 1);
+ hs->ep_list = NULL;
+
+ error_string = register_tap_listener("mac-lte", hs,
+ filter, 0,
+ mac_lte_stat_reset,
+ mac_lte_stat_packet,
+ mac_lte_stat_draw,
+ NULL);
+ if (error_string) {
+ g_string_free(error_string, TRUE);
+ g_free(hs);
+ exit(1);
+ }
+}
+
+static stat_tap_ui mac_lte_stat_ui = {
+ REGISTER_STAT_GROUP_GENERIC,
+ NULL,
+ "mac-lte,stat",
+ mac_lte_stat_init,
+ 0,
+ NULL
+};
+
+/* Register this tap listener (need void on own so line register function found) */
+void
+register_tap_listener_mac_lte_stat(void)
+{
+ register_stat_tap_ui(&mac_lte_stat_ui, NULL);
+}