diff --git a/wifi/1.5/default/hidl_struct_util.cpp b/wifi/1.5/default/hidl_struct_util.cpp
index 7cee4cd..5613357 100644
--- a/wifi/1.5/default/hidl_struct_util.cpp
+++ b/wifi/1.5/default/hidl_struct_util.cpp
@@ -1005,6 +1005,14 @@
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].mpdu_lost;
     hidl_stats->iface.V1_0.wmeBePktStats.retries =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].retries;
+    hidl_stats->iface.wmeBeContentionTimeStats.contentionTimeMinInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_min;
+    hidl_stats->iface.wmeBeContentionTimeStats.contentionTimeMaxInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_max;
+    hidl_stats->iface.wmeBeContentionTimeStats.contentionTimeAvgInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_avg;
+    hidl_stats->iface.wmeBeContentionTimeStats.contentionNumSamples =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_num_samples;
     hidl_stats->iface.V1_0.wmeBkPktStats.rxMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].rx_mpdu;
     hidl_stats->iface.V1_0.wmeBkPktStats.txMpdu =
@@ -1013,6 +1021,14 @@
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].mpdu_lost;
     hidl_stats->iface.V1_0.wmeBkPktStats.retries =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].retries;
+    hidl_stats->iface.wmeBkContentionTimeStats.contentionTimeMinInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_min;
+    hidl_stats->iface.wmeBkContentionTimeStats.contentionTimeMaxInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_max;
+    hidl_stats->iface.wmeBkContentionTimeStats.contentionTimeAvgInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_avg;
+    hidl_stats->iface.wmeBkContentionTimeStats.contentionNumSamples =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_num_samples;
     hidl_stats->iface.V1_0.wmeViPktStats.rxMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].rx_mpdu;
     hidl_stats->iface.V1_0.wmeViPktStats.txMpdu =
@@ -1021,6 +1037,14 @@
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].mpdu_lost;
     hidl_stats->iface.V1_0.wmeViPktStats.retries =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].retries;
+    hidl_stats->iface.wmeViContentionTimeStats.contentionTimeMinInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_min;
+    hidl_stats->iface.wmeViContentionTimeStats.contentionTimeMaxInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_max;
+    hidl_stats->iface.wmeViContentionTimeStats.contentionTimeAvgInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_avg;
+    hidl_stats->iface.wmeViContentionTimeStats.contentionNumSamples =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_num_samples;
     hidl_stats->iface.V1_0.wmeVoPktStats.rxMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].rx_mpdu;
     hidl_stats->iface.V1_0.wmeVoPktStats.txMpdu =
@@ -1029,6 +1053,14 @@
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].mpdu_lost;
     hidl_stats->iface.V1_0.wmeVoPktStats.retries =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].retries;
+    hidl_stats->iface.wmeVoContentionTimeStats.contentionTimeMinInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_min;
+    hidl_stats->iface.wmeVoContentionTimeStats.contentionTimeMaxInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_max;
+    hidl_stats->iface.wmeVoContentionTimeStats.contentionTimeAvgInUsec =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_avg;
+    hidl_stats->iface.wmeVoContentionTimeStats.contentionNumSamples =
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_num_samples;
     hidl_stats->iface.timeSliceDutyCycleInPercent =
         legacy_stats.iface.info.time_slicing_duty_cycle_percent;
     // radio legacy_stats conversion.
diff --git a/wifi/1.5/default/tests/hidl_struct_util_unit_tests.cpp b/wifi/1.5/default/tests/hidl_struct_util_unit_tests.cpp
index ea84c61..6391a6a 100644
--- a/wifi/1.5/default/tests/hidl_struct_util_unit_tests.cpp
+++ b/wifi/1.5/default/tests/hidl_struct_util_unit_tests.cpp
@@ -138,21 +138,41 @@
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].tx_mpdu = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].mpdu_lost = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].retries = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_min = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_max = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_avg = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_num_samples =
+        rand();
 
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].rx_mpdu = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].tx_mpdu = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].mpdu_lost = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].retries = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_min = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_max = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_avg = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_num_samples =
+        rand();
 
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].rx_mpdu = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].tx_mpdu = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].mpdu_lost = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].retries = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_min = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_max = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_avg = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_num_samples =
+        rand();
 
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].rx_mpdu = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].tx_mpdu = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].mpdu_lost = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].retries = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_min = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_max = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_avg = rand();
+    legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_num_samples =
+        rand();
 
     legacy_stats.iface.info.time_slicing_duty_cycle_percent = rand();
 
@@ -197,6 +217,15 @@
               converted.iface.V1_0.wmeBePktStats.lostMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].retries,
               converted.iface.V1_0.wmeBePktStats.retries);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_min,
+              converted.iface.wmeBeContentionTimeStats.contentionTimeMinInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_max,
+              converted.iface.wmeBeContentionTimeStats.contentionTimeMaxInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_time_avg,
+              converted.iface.wmeBeContentionTimeStats.contentionTimeAvgInUsec);
+    EXPECT_EQ(
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].contention_num_samples,
+        converted.iface.wmeBeContentionTimeStats.contentionNumSamples);
 
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].rx_mpdu,
               converted.iface.V1_0.wmeBkPktStats.rxMpdu);
@@ -206,6 +235,15 @@
               converted.iface.V1_0.wmeBkPktStats.lostMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].retries,
               converted.iface.V1_0.wmeBkPktStats.retries);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_min,
+              converted.iface.wmeBkContentionTimeStats.contentionTimeMinInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_max,
+              converted.iface.wmeBkContentionTimeStats.contentionTimeMaxInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_time_avg,
+              converted.iface.wmeBkContentionTimeStats.contentionTimeAvgInUsec);
+    EXPECT_EQ(
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].contention_num_samples,
+        converted.iface.wmeBkContentionTimeStats.contentionNumSamples);
 
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].rx_mpdu,
               converted.iface.V1_0.wmeViPktStats.rxMpdu);
@@ -215,6 +253,15 @@
               converted.iface.V1_0.wmeViPktStats.lostMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].retries,
               converted.iface.V1_0.wmeViPktStats.retries);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_min,
+              converted.iface.wmeViContentionTimeStats.contentionTimeMinInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_max,
+              converted.iface.wmeViContentionTimeStats.contentionTimeMaxInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_time_avg,
+              converted.iface.wmeViContentionTimeStats.contentionTimeAvgInUsec);
+    EXPECT_EQ(
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].contention_num_samples,
+        converted.iface.wmeViContentionTimeStats.contentionNumSamples);
 
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].rx_mpdu,
               converted.iface.V1_0.wmeVoPktStats.rxMpdu);
@@ -224,6 +271,15 @@
               converted.iface.V1_0.wmeVoPktStats.lostMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].retries,
               converted.iface.V1_0.wmeVoPktStats.retries);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_min,
+              converted.iface.wmeVoContentionTimeStats.contentionTimeMinInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_max,
+              converted.iface.wmeVoContentionTimeStats.contentionTimeMaxInUsec);
+    EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_time_avg,
+              converted.iface.wmeVoContentionTimeStats.contentionTimeAvgInUsec);
+    EXPECT_EQ(
+        legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].contention_num_samples,
+        converted.iface.wmeVoContentionTimeStats.contentionNumSamples);
 
     EXPECT_EQ(legacy_stats.iface.info.time_slicing_duty_cycle_percent,
               converted.iface.timeSliceDutyCycleInPercent);
diff --git a/wifi/1.5/types.hal b/wifi/1.5/types.hal
index 4dff774..3a5560b 100644
--- a/wifi/1.5/types.hal
+++ b/wifi/1.5/types.hal
@@ -135,6 +135,33 @@
 };
 
 /**
+ * Contention time statistics for different traffic categories.
+ */
+struct StaLinkLayerIfaceContentionTimeStats {
+    /**
+     * Data packet min contention time (usec).  It includes both the internal contention time
+     * among different access categories within the chipset and the contention time for the medium.
+     */
+    uint64_t contentionTimeMinInUsec;
+
+    /**
+     * Data packet max contention time (usec).  It includes both the internal contention time
+     * among different access categories within the chipset and the contention time for the medium.
+     */
+    uint64_t contentionTimeMaxInUsec;
+    /**
+     * Data packet average contention time (usec).  It includes both the internal contention time
+     * among different access categories within the chipset and the contention time for the medium.
+     */
+    uint64_t contentionTimeAvgInUsec;
+
+    /**
+     * Number of data packets used for contention statistics.
+     */
+    uint64_t contentionNumSamples;
+};
+
+/**
  * Iface statistics for the current connection.
  */
 struct StaLinkLayerIfaceStats {
@@ -150,6 +177,26 @@
      * If not using time slicing (i.e SCC or DBS), set to 100.
      */
     uint8_t timeSliceDutyCycleInPercent;
+
+    /**
+     * WME Best Effort (BE) Access Category (AC) contention time statistics.
+     */
+    StaLinkLayerIfaceContentionTimeStats wmeBeContentionTimeStats;
+
+    /**
+     * WME Background (BK) Access Category (AC) contention time statistics.
+     */
+    StaLinkLayerIfaceContentionTimeStats wmeBkContentionTimeStats;
+
+    /**
+     * WME Video (VI) Access Category (AC) contention time statistics.
+     */
+    StaLinkLayerIfaceContentionTimeStats wmeViContentionTimeStats;
+
+    /**
+     * WME Voice (VO) Access Category (AC) contention time statistics.
+     */
+    StaLinkLayerIfaceContentionTimeStats wmeVoContentionTimeStats;
 };
 
 /**