diff --git a/clatd_microbenchmark.c b/clatd_microbenchmark.c
index fed3100..83be006 100644
--- a/clatd_microbenchmark.c
+++ b/clatd_microbenchmark.c
@@ -21,25 +21,25 @@
  * adb shell /data/nativetest/clatd_microbenchmark/clatd_microbenchmark
  *
  */
+#include <arpa/inet.h>
 #include <errno.h>
 #include <fcntl.h>
-#include <string.h>
+#include <linux/if.h>
+#include <linux/if_tun.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
+#include <netinet/udp.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <time.h>
-#include <unistd.h>
+#include <string.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/uio.h>
-#include <netinet/in.h>
-#include <netinet/ip.h>
-#include <netinet/ip6.h>
-#include <netinet/udp.h>
-#include <arpa/inet.h>
-#include <linux/if.h>
-#include <linux/if_tun.h>
+#include <time.h>
+#include <unistd.h>
 
 #include "checksum.h"
 #include "tun.h"
@@ -52,163 +52,162 @@
 #define SEC_TO_NANOSEC (1000 * 1000 * 1000)
 
 void init_sockaddr_in(struct sockaddr_in *sin, const char *addr) {
-    sin->sin_family = AF_INET;
-    sin->sin_port = 0;
-    sin->sin_addr.s_addr = inet_addr(addr);
+  sin->sin_family      = AF_INET;
+  sin->sin_port        = 0;
+  sin->sin_addr.s_addr = inet_addr(addr);
 }
 
 void die(const char *str) {
-    perror(str);
-    exit(1);
+  perror(str);
+  exit(1);
 }
 
 int setup_tun() {
-    int fd = tun_open();
-    if (fd == -1) die("tun_open");
+  int fd = tun_open();
+  if (fd == -1) die("tun_open");
 
-    char dev[IFNAMSIZ] = DEVICENAME;
-    int ret = tun_alloc(dev, fd);
-    if (ret == -1) die("tun_alloc");
-    struct ifreq ifr = {
-        .ifr_name = DEVICENAME,
-    };
+  char dev[IFNAMSIZ] = DEVICENAME;
+  int ret            = tun_alloc(dev, fd);
+  if (ret == -1) die("tun_alloc");
+  struct ifreq ifr = {
+    .ifr_name = DEVICENAME,
+  };
 
-    int s = socket(AF_INET, SOCK_DGRAM, 0);
-    init_sockaddr_in((struct sockaddr_in *) &ifr.ifr_addr, "192.0.0.4");
-    if (ioctl(s, SIOCSIFADDR, &ifr) < 0) die("SIOCSIFADDR");
-    init_sockaddr_in((struct sockaddr_in *) &ifr.ifr_addr, "255.255.255.248");
-    if (ioctl(s, SIOCSIFNETMASK, &ifr) < 0) die("SIOCSIFNETMASK");
-    if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0) die("SIOCGIFFLAGS");
-    ifr.ifr_flags |= (IFF_UP | IFF_RUNNING);
-    if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0) die("SIOCSIFFLAGS");
-    return fd;
+  int s = socket(AF_INET, SOCK_DGRAM, 0);
+  init_sockaddr_in((struct sockaddr_in *)&ifr.ifr_addr, "192.0.0.4");
+  if (ioctl(s, SIOCSIFADDR, &ifr) < 0) die("SIOCSIFADDR");
+  init_sockaddr_in((struct sockaddr_in *)&ifr.ifr_addr, "255.255.255.248");
+  if (ioctl(s, SIOCSIFNETMASK, &ifr) < 0) die("SIOCSIFNETMASK");
+  if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0) die("SIOCGIFFLAGS");
+  ifr.ifr_flags |= (IFF_UP | IFF_RUNNING);
+  if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0) die("SIOCSIFFLAGS");
+  return fd;
 }
 
 int send_packet(int fd, uint8_t payload[], int len, uint32_t payload_checksum) {
-    struct tun_pi tun = { 0, htons(ETH_P_IP) };
-    struct udphdr udp = {
-        .source = htons(1234),
-        .dest = htons(PORT),
-        .len = htons(len + sizeof(udp)),
-        .check = 0,
-    };
-    struct iphdr ip = {
-        .version = 4,
-        .ihl = 5,
-        .tot_len = htons(len + sizeof(ip) + sizeof(udp)),
-        .frag_off = htons(IP_DF),
-        .ttl = 55,
-        .protocol = IPPROTO_UDP,
-        .saddr = htonl(0xc0000006),  // 192.0.0.6
-        .daddr = htonl(0xc0000004),  // 192.0.0.4
-    };
-    clat_packet out = {
-        { &tun, sizeof(tun) },  // tun header
-        { &ip, sizeof(ip) },    // IP header
-        { NULL, 0 },            // Fragment header
-        { &udp, sizeof(udp) },  // Transport header
-        { NULL, 0 },            // ICMP error IP header
-        { NULL, 0 },            // ICMP error fragment header
-        { NULL, 0 },            // ICMP error transport header
-        { payload, len },       // Payload
-    };
+  struct tun_pi tun = { 0, htons(ETH_P_IP) };
+  struct udphdr udp = {
+    .source = htons(1234),
+    .dest   = htons(PORT),
+    .len    = htons(len + sizeof(udp)),
+    .check  = 0,
+  };
+  struct iphdr ip = {
+    .version  = 4,
+    .ihl      = 5,
+    .tot_len  = htons(len + sizeof(ip) + sizeof(udp)),
+    .frag_off = htons(IP_DF),
+    .ttl      = 55,
+    .protocol = IPPROTO_UDP,
+    .saddr    = htonl(0xc0000006),  // 192.0.0.6
+    .daddr    = htonl(0xc0000004),  // 192.0.0.4
+  };
+  clat_packet out = {
+    { &tun, sizeof(tun) },  // tun header
+    { &ip, sizeof(ip) },    // IP header
+    { NULL, 0 },            // Fragment header
+    { &udp, sizeof(udp) },  // Transport header
+    { NULL, 0 },            // ICMP error IP header
+    { NULL, 0 },            // ICMP error fragment header
+    { NULL, 0 },            // ICMP error transport header
+    { payload, len },       // Payload
+  };
 
-    ip.check = ip_checksum(&ip, sizeof(ip));
+  ip.check = ip_checksum(&ip, sizeof(ip));
 
-    uint32_t sum;
-    sum = ipv4_pseudo_header_checksum(&ip, ntohs(udp.len));
-    sum = ip_checksum_add(sum, &udp, sizeof(udp));
-    sum += payload_checksum;
-    udp.check = ip_checksum_finish(sum);
+  uint32_t sum;
+  sum = ipv4_pseudo_header_checksum(&ip, ntohs(udp.len));
+  sum = ip_checksum_add(sum, &udp, sizeof(udp));
+  sum += payload_checksum;
+  udp.check = ip_checksum_finish(sum);
 
-    return send_tun(fd, out, sizeof(out) / sizeof(out[0]));
+  return send_tun(fd, out, sizeof(out) / sizeof(out[0]));
 }
 
 double timedelta(const struct timespec tv1, const struct timespec tv2) {
-    struct timespec end = tv2;
-    if (end.tv_nsec < tv1.tv_nsec) {
-        end.tv_sec -= 1;
-        end.tv_nsec += SEC_TO_NANOSEC;
-    }
-    double seconds = (end.tv_sec - tv1.tv_sec);
-    seconds += (((double) (end.tv_nsec - tv1.tv_nsec)) / SEC_TO_NANOSEC);
-    return seconds;
+  struct timespec end = tv2;
+  if (end.tv_nsec < tv1.tv_nsec) {
+    end.tv_sec -= 1;
+    end.tv_nsec += SEC_TO_NANOSEC;
+  }
+  double seconds = (end.tv_sec - tv1.tv_sec);
+  seconds += (((double)(end.tv_nsec - tv1.tv_nsec)) / SEC_TO_NANOSEC);
+  return seconds;
 }
 
-void benchmark(const char *name, int fd, int s, int num, int do_read,
-               uint8_t payload[], int len, uint32_t payload_sum) {
-    int i;
-    char buf[4096];
-    struct timespec tv1, tv2;
-    int write_err = 0, read_err = 0;
-    clock_gettime(CLOCK_MONOTONIC, &tv1);
-    for (i = 0; i < num; i++) {
-        if (send_packet(fd, payload, len, payload_sum) == -1) write_err++;
-        if (do_read && recvfrom(s, buf, sizeof(buf), 0, NULL, NULL) == -1) {
-            read_err++;
-            if (errno == ETIMEDOUT) {
-                printf("Timed out after %d packets!\n", i);
-                break;
-            }
-        }
+void benchmark(const char *name, int fd, int s, int num, int do_read, uint8_t payload[], int len,
+               uint32_t payload_sum) {
+  int i;
+  char buf[4096];
+  struct timespec tv1, tv2;
+  int write_err = 0, read_err = 0;
+  clock_gettime(CLOCK_MONOTONIC, &tv1);
+  for (i = 0; i < num; i++) {
+    if (send_packet(fd, payload, len, payload_sum) == -1) write_err++;
+    if (do_read && recvfrom(s, buf, sizeof(buf), 0, NULL, NULL) == -1) {
+      read_err++;
+      if (errno == ETIMEDOUT) {
+        printf("Timed out after %d packets!\n", i);
+        break;
+      }
     }
-    clock_gettime(CLOCK_MONOTONIC, &tv2);
-    double seconds = timedelta(tv1, tv2);
-    int pps = (int) (i / seconds);
-    double mbps = (i * PAYLOADSIZE / 1000000 * 8 / seconds);
-    printf("%s: %d packets in %.2fs (%d pps, %.2f Mbps), ", name, i, seconds, pps, mbps);
-    printf("read err %d (%.2f%%), write err %d (%.2f%%)\n",
-           read_err, (float) read_err / i * 100,
-           write_err, (float) write_err / i * 100);
+  }
+  clock_gettime(CLOCK_MONOTONIC, &tv2);
+  double seconds = timedelta(tv1, tv2);
+  int pps        = (int)(i / seconds);
+  double mbps    = (i * PAYLOADSIZE / 1000000 * 8 / seconds);
+  printf("%s: %d packets in %.2fs (%d pps, %.2f Mbps), ", name, i, seconds, pps, mbps);
+  printf("read err %d (%.2f%%), write err %d (%.2f%%)\n", read_err, (float)read_err / i * 100,
+         write_err, (float)write_err / i * 100);
 }
 
 int open_socket() {
-    int sock = socket(AF_INET, SOCK_DGRAM | SOCK_NONBLOCK, IPPROTO_UDP);
+  int sock = socket(AF_INET, SOCK_DGRAM | SOCK_NONBLOCK, IPPROTO_UDP);
 
-    int on = 1;
-    if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) die("SO_REUSEADDR");
+  int on = 1;
+  if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) die("SO_REUSEADDR");
 
-    struct timeval tv = { 1, 0 };
-    if (setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) == -1) die("SO_RCVTIMEO");
+  struct timeval tv = { 1, 0 };
+  if (setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) == -1) die("SO_RCVTIMEO");
 
-    struct sockaddr_in addr = {
-        .sin_family = AF_INET,
-        .sin_port = ntohs(PORT),
-        .sin_addr = { INADDR_ANY }
-    };
-    if (bind(sock, (struct sockaddr *) &addr, sizeof(addr)) == -1) die ("bind");
+  struct sockaddr_in addr = {
+    .sin_family = AF_INET,
+    .sin_port   = ntohs(PORT),
+    .sin_addr   = { INADDR_ANY },
+  };
+  if (bind(sock, (struct sockaddr *)&addr, sizeof(addr)) == -1) die("bind");
 
-   return sock;
+  return sock;
 }
 
 int main() {
-    int fd = setup_tun();
-    int sock = open_socket();
+  int fd   = setup_tun();
+  int sock = open_socket();
 
-    int i;
-    uint8_t payload[PAYLOADSIZE];
-    for (i = 0; i < (int) sizeof(payload); i++) {
-        payload[i] = (uint8_t) i;
-    }
-    uint32_t payload_sum = ip_checksum_add(0, payload, sizeof(payload));
+  int i;
+  uint8_t payload[PAYLOADSIZE];
+  for (i = 0; i < (int)sizeof(payload); i++) {
+    payload[i] = (uint8_t)i;
+  }
+  uint32_t payload_sum = ip_checksum_add(0, payload, sizeof(payload));
 
-    // Check things are working.
-    char buf[4096];
-    if (send_packet(fd, payload, sizeof(payload), payload_sum) == -1) die("send_packet");
-    if (recvfrom(sock, buf, sizeof(buf), 0, NULL, NULL) == -1) die("recvfrom");
+  // Check things are working.
+  char buf[4096];
+  if (send_packet(fd, payload, sizeof(payload), payload_sum) == -1) die("send_packet");
+  if (recvfrom(sock, buf, sizeof(buf), 0, NULL, NULL) == -1) die("recvfrom");
 
-    benchmark("Blocking", fd, sock, NUMPACKETS, 1, payload, sizeof(payload), payload_sum);
-    close(fd);
+  benchmark("Blocking", fd, sock, NUMPACKETS, 1, payload, sizeof(payload), payload_sum);
+  close(fd);
 
-    fd = setup_tun();
-    set_nonblocking(fd);
-    benchmark("No read", fd, sock, NUMPACKETS, 0, payload, sizeof(payload), payload_sum);
-    close(fd);
+  fd = setup_tun();
+  set_nonblocking(fd);
+  benchmark("No read", fd, sock, NUMPACKETS, 0, payload, sizeof(payload), payload_sum);
+  close(fd);
 
-    fd = setup_tun();
-    set_nonblocking(fd);
-    benchmark("Nonblocking", fd, sock, NUMPACKETS, 1, payload, sizeof(payload), payload_sum);
-    close(fd);
+  fd = setup_tun();
+  set_nonblocking(fd);
+  benchmark("Nonblocking", fd, sock, NUMPACKETS, 1, payload, sizeof(payload), payload_sum);
+  close(fd);
 
-    return 0;
+  return 0;
 }