Merge pull request #28 from RT-Thread/master

pr

40 files changed, 125 insertions, 125 deletions

diff --git a/components/net/at/at_socket/at_socket.c b/components/net/at/at_socket/at_socket.c
index ce8559f129..6d4c040856 100644
--- a/components/net/at/at_socket/at_socket.c
+++ b/components/net/at/at_socket/at_socket.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -70,8 +70,8 @@ struct at_socket *at_get_socket(int socket)
                 return at_sock;
             }
         }
-    } 
-    
+    }
+
     rt_hw_interrupt_enable(level);
 
     return RT_NULL;
@@ -289,7 +289,7 @@ static int alloc_empty_socket(rt_slist_t *l)
     rt_slist_for_each(node, &_socket_list)
     {
         at_sock = rt_slist_entry(node, struct at_socket, list);
-        if(at_sock->socket != idx)  
+        if(at_sock->socket != idx)
             break;
         idx++;
         pre_node = node;
@@ -337,7 +337,7 @@ static struct at_socket *alloc_socket_by_device(struct at_device *device, enum a
     {
         goto __err;
     }
-    
+
     sock = &(device->sockets[idx]);
     /* the socket descriptor is the number of sockte lists */
     sock->socket = alloc_empty_socket(&(sock->list));
@@ -508,7 +508,7 @@ int at_closesocket(int socket)
 
     /* deal with TCP server actively disconnect */
     rt_thread_delay(rt_tick_from_millisecond(100));
-    
+
     sock = at_get_socket(socket);
     if (sock == RT_NULL)
     {
@@ -529,7 +529,7 @@ int at_closesocket(int socket)
         }
     }
 
-    free_socket(sock); 
+    free_socket(sock);
     return 0;
 }
 
@@ -603,7 +603,7 @@ int at_bind(int socket, const struct sockaddr *name, socklen_t namelen)
 
     /* input ip address is different from device ip address */
     if (ip_addr_cmp(&input_ipaddr, &local_ipaddr) == 0)
-    {   
+    {
         struct at_socket *new_sock = RT_NULL;
         struct at_device *new_device = RT_NULL;
         enum at_socket_type type = sock->type;
@@ -613,7 +613,7 @@ int at_bind(int socket, const struct sockaddr *name, socklen_t namelen)
         {
             return -1;
         }
-        
+
         extern struct at_device *at_device_get_by_ipaddr(ip_addr_t *ip_addr);
         new_device = at_device_get_by_ipaddr(&input_ipaddr);
         if (new_device == RT_NULL)
@@ -649,7 +649,7 @@ static void at_recv_notice_cb(struct at_socket *sock, at_socket_evt_t event, con
 {
     RT_ASSERT(buff);
     RT_ASSERT(event == AT_SOCKET_EVT_RECV);
-    
+
     /* check the socket object status */
     if (sock->magic != AT_SOCKET_MAGIC)
     {
@@ -675,7 +675,7 @@ static void at_closed_notice_cb(struct at_socket *sock, at_socket_evt_t event, c
     {
         return;
     }
-    
+
     at_do_event_changes(sock, AT_EVENT_RECV, RT_TRUE);
     at_do_event_changes(sock, AT_EVENT_ERROR, RT_TRUE);
 
@@ -731,7 +731,7 @@ __exit:
     {
         at_do_event_changes(sock, AT_EVENT_SEND, RT_TRUE);
     }
-    
+
     return result;
 }
 
@@ -780,7 +780,7 @@ int at_recvfrom(int socket, void *mem, size_t len, int flags, struct sockaddr *f
         goto __exit;
     }
     rt_mutex_release(sock->recv_lock);
-        
+
     /* socket passively closed, receive function return 0 */
     if (sock->state == AT_SOCKET_CLOSED)
     {
@@ -821,7 +821,7 @@ int at_recvfrom(int socket, void *mem, size_t len, int flags, struct sockaddr *f
             goto __exit;
         }
         else
-        {         
+        {
 
             /* get receive buffer to receiver ring buffer */
             rt_mutex_take(sock->recv_lock, RT_WAITING_FOREVER);
@@ -945,7 +945,7 @@ __exit:
     {
         if (sock != RT_NULL)
         {
-            at_do_event_changes(sock, AT_EVENT_ERROR, RT_TRUE);   
+            at_do_event_changes(sock, AT_EVENT_ERROR, RT_TRUE);
         }
     }
     else
@@ -1138,13 +1138,13 @@ struct hostent *at_gethostbyname(const char *name)
 
 #if NETDEV_IPV4 && NETDEV_IPV6
     addr.u_addr.ip4.addr = ipstr_to_u32(ipstr);
-	addr.type = IPADDR_TYPE_V4;
+    addr.type = IPADDR_TYPE_V4;
 #elif NETDEV_IPV4
     addr.addr = ipstr_to_u32(ipstr);
 #elif NETDEV_IPV6
 #error "not support IPV6."
 #endif /* NETDEV_IPV4 && NETDEV_IPV6 */
- 
+
     /* fill hostent structure */
     s_hostent_addr = addr;
     s_phostent_addr[0] = &s_hostent_addr;
@@ -1243,8 +1243,8 @@ int at_getaddrinfo(const char *nodename, const char *servname,
             {
                 strncpy(ip_str, nodename, strlen(nodename));
             }
-            
-        #if NETDEV_IPV4 && NETDEV_IPV6 
+
+        #if NETDEV_IPV4 && NETDEV_IPV6
             addr.type = IPADDR_TYPE_V4;
             if ((addr.u_addr.ip4.addr = ipstr_to_u32(ip_str)) == 0)
             {
@@ -1254,7 +1254,7 @@ int at_getaddrinfo(const char *nodename, const char *servname,
             addr.addr = ipstr_to_u32(ip_str);
         #elif NETDEV_IPV6
         #error "not support IPV6."
-        #endif /* NETDEV_IPV4 && NETDEV_IPV6 */  
+        #endif /* NETDEV_IPV4 && NETDEV_IPV6 */
         }
     }
     else
diff --git a/components/net/at/at_socket/at_socket.h b/components/net/at/at_socket/at_socket.h
index 3317579f05..caac6d2d5d 100644
--- a/components/net/at/at_socket/at_socket.h
+++ b/components/net/at/at_socket/at_socket.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/at/include/at.h b/components/net/at/include/at.h
index 7be821c21d..c6d0e3a5ce 100644
--- a/components/net/at/include/at.h
+++ b/components/net/at/include/at.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/at/include/at_log.h b/components/net/at/include/at_log.h
index 9e133561f7..acb5b34ecc 100644
--- a/components/net/at/include/at_log.h
+++ b/components/net/at/include/at_log.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/at/src/at_base_cmd.c b/components/net/at/src/at_base_cmd.c
index b182477f9b..00720c87b2 100644
--- a/components/net/at/src/at_base_cmd.c
+++ b/components/net/at/src/at_base_cmd.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/at/src/at_cli.c b/components/net/at/src/at_cli.c
index e39a913357..25fbb708f4 100644
--- a/components/net/at/src/at_cli.c
+++ b/components/net/at/src/at_cli.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -27,7 +27,7 @@ static rt_err_t (*odev_rx_ind)(rt_device_t dev, rt_size_t size) = RT_NULL;
 #ifdef AT_USING_CLIENT
 static struct rt_semaphore client_rx_notice;
 static struct rt_ringbuffer *client_rx_fifo = RT_NULL;
-#endif 
+#endif
 
 static char console_getchar(void)
 {
diff --git a/components/net/at/src/at_client.c b/components/net/at/src/at_client.c
index f46abd5cd4..5e077512ae 100644
--- a/components/net/at/src/at_client.c
+++ b/components/net/at/src/at_client.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -577,7 +577,7 @@ int at_obj_set_urc_table(at_client_t client, const struct at_urc *urc_table, rt_
         client->urc_table[client->urc_table_size].urc = urc_table;
         client->urc_table[client->urc_table_size].urc_size = table_sz;
         client->urc_table_size++;
-        
+
         rt_free(old_urc_table);
     }
 
diff --git a/components/net/at/src/at_server.c b/components/net/at/src/at_server.c
index 81d00951f5..bfbbbae2d3 100644
--- a/components/net/at/src/at_server.c
+++ b/components/net/at/src/at_server.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/at/src/at_utils.c b/components/net/at/src/at_utils.c
index 7d26425f56..8d8887fe5e 100644
--- a/components/net/at/src/at_utils.c
+++ b/components/net/at/src/at_utils.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/lwip-1.4.1/src/arch/include/arch/cc.h b/components/net/lwip-1.4.1/src/arch/include/arch/cc.h
index ecf22177ac..8dd59e8dee 100644
--- a/components/net/lwip-1.4.1/src/arch/include/arch/cc.h
+++ b/components/net/lwip-1.4.1/src/arch/include/arch/cc.h
@@ -60,17 +60,17 @@ typedef uintptr_t mem_ptr_t;
 /* some errno not defined in newlib */
 #define ENSRNOTFOUND 163  /* Domain name not found */
 /* WARNING: ESHUTDOWN also not defined in newlib. We chose
-			180 here because the number "108" which is used
-			in arch.h has been assigned to another error code. */
+            180 here because the number "108" which is used
+            in arch.h has been assigned to another error code. */
 #define ESHUTDOWN 180
 #endif /* __CC_ARM/__IAR_SYSTEMS_ICC__ */
 #endif
 
 #if defined(RT_USING_LIBC) || defined(RT_LIBC_USING_TIME) || (defined( __GNUC__ ) && !defined(__ARMCC_VERSION))
 #include <sys/time.h>
-#define LWIP_TIMEVAL_PRIVATE	   0
+#define LWIP_TIMEVAL_PRIVATE       0
 #else
-#define LWIP_TIMEVAL_PRIVATE	   1
+#define LWIP_TIMEVAL_PRIVATE       1
 #endif
 
 #if defined(__CC_ARM)   /* ARMCC compiler */
@@ -102,14 +102,14 @@ typedef uintptr_t mem_ptr_t;
 #endif
 
 void sys_arch_assert(const char* file, int line);
-#define LWIP_PLATFORM_DIAG(x)	do {rt_kprintf x;} while(0)
+#define LWIP_PLATFORM_DIAG(x)   do {rt_kprintf x;} while(0)
 #define LWIP_PLATFORM_ASSERT(x) do {rt_kprintf(x); sys_arch_assert(__FILE__, __LINE__);}while(0)
 
 #include "string.h"
 
-#define SYS_ARCH_DECL_PROTECT(level)	
-#define SYS_ARCH_PROTECT(level)		rt_enter_critical()
-#define SYS_ARCH_UNPROTECT(level) 	rt_exit_critical()
+#define SYS_ARCH_DECL_PROTECT(level)
+#define SYS_ARCH_PROTECT(level)     rt_enter_critical()
+#define SYS_ARCH_UNPROTECT(level)   rt_exit_critical()
 
 #endif /* __ARCH_CC_H__ */
 
diff --git a/components/net/lwip-1.4.1/src/arch/sys_arch.c b/components/net/lwip-1.4.1/src/arch/sys_arch.c
index 2f6dbb4143..0bdce1e075 100644
--- a/components/net/lwip-1.4.1/src/arch/sys_arch.c
+++ b/components/net/lwip-1.4.1/src/arch/sys_arch.c
@@ -1,5 +1,5 @@
 /*
- * COPYRIGHT (C) 2006-2018, RT-Thread Development Team
+ * COPYRIGHT (C) 2006-2021, RT-Thread Development Team
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
@@ -195,9 +195,9 @@ int lwip_system_init(void)
         netifapi_netif_set_addr(netif_default, &ipaddr, &netmask, &gw);
     }
 #endif
-	rt_kprintf("lwIP-%d.%d.%d initialized!\n", LWIP_VERSION_MAJOR, LWIP_VERSION_MINOR, LWIP_VERSION_REVISION);
+    rt_kprintf("lwIP-%d.%d.%d initialized!\n", LWIP_VERSION_MAJOR, LWIP_VERSION_MINOR, LWIP_VERSION_REVISION);
 
-	return 0;
+    return 0;
 }
 INIT_PREV_EXPORT(lwip_system_init);
 
diff --git a/components/net/lwip-2.0.2/src/arch/include/arch/cc.h b/components/net/lwip-2.0.2/src/arch/include/arch/cc.h
index 51b06f1a7f..e3014f552c 100644
--- a/components/net/lwip-2.0.2/src/arch/include/arch/cc.h
+++ b/components/net/lwip-2.0.2/src/arch/include/arch/cc.h
@@ -47,9 +47,9 @@
 
 #if defined(RT_USING_LIBC) || defined(RT_LIBC_USING_TIME) || (defined( __GNUC__ ) && !defined(__ARMCC_VERSION))
 #include <sys/time.h>
-#define LWIP_TIMEVAL_PRIVATE	   0
+#define LWIP_TIMEVAL_PRIVATE       0
 #else
-#define LWIP_TIMEVAL_PRIVATE	   1
+#define LWIP_TIMEVAL_PRIVATE       1
 #endif
 
 #if defined(__CC_ARM)   /* ARMCC compiler */
@@ -81,14 +81,14 @@
 #endif
 
 void sys_arch_assert(const char* file, int line);
-#define LWIP_PLATFORM_DIAG(x)	do {rt_kprintf x;} while(0)
+#define LWIP_PLATFORM_DIAG(x)   do {rt_kprintf x;} while(0)
 #define LWIP_PLATFORM_ASSERT(x) do {rt_kprintf(x); sys_arch_assert(__FILE__, __LINE__);}while(0)
 
 #include "string.h"
 
-#define SYS_ARCH_DECL_PROTECT(level)	
-#define SYS_ARCH_PROTECT(level)		rt_enter_critical()
-#define SYS_ARCH_UNPROTECT(level) 	rt_exit_critical()
+#define SYS_ARCH_DECL_PROTECT(level)
+#define SYS_ARCH_PROTECT(level)     rt_enter_critical()
+#define SYS_ARCH_UNPROTECT(level)   rt_exit_critical()
 
 #endif /* __ARCH_CC_H__ */
 
diff --git a/components/net/lwip-2.0.2/src/arch/sys_arch.c b/components/net/lwip-2.0.2/src/arch/sys_arch.c
index fbf02cad0a..4d0c57eff9 100644
--- a/components/net/lwip-2.0.2/src/arch/sys_arch.c
+++ b/components/net/lwip-2.0.2/src/arch/sys_arch.c
@@ -1,5 +1,5 @@
 /*
- * COPYRIGHT (C) 2006-2018, RT-Thread Development Team
+ * COPYRIGHT (C) 2006-2021, RT-Thread Development Team
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
diff --git a/components/net/lwip-2.1.2/src/arch/include/arch/cc.h b/components/net/lwip-2.1.2/src/arch/include/arch/cc.h
index 2c22d3a873..320beb53e0 100644
--- a/components/net/lwip-2.1.2/src/arch/include/arch/cc.h
+++ b/components/net/lwip-2.1.2/src/arch/include/arch/cc.h
@@ -53,17 +53,17 @@
 /* some errno not defined in newlib */
 #define ENSRNOTFOUND 163  /* Domain name not found */
 /* WARNING: ESHUTDOWN also not defined in newlib. We chose
-			180 here because the number "108" which is used
-			in arch.h has been assigned to another error code. */
+            180 here because the number "108" which is used
+            in arch.h has been assigned to another error code. */
 #define ESHUTDOWN 180
 #endif /* __CC_ARM/__IAR_SYSTEMS_ICC__ */
 #endif /* RT_USING_LIBC */
 
 #if defined(RT_USING_LIBC) || defined(RT_LIBC_USING_TIME) || (defined( __GNUC__ ) && !defined(__ARMCC_VERSION))
 #include <sys/time.h>
-#define LWIP_TIMEVAL_PRIVATE	   0
+#define LWIP_TIMEVAL_PRIVATE       0
 #else
-#define LWIP_TIMEVAL_PRIVATE	   1
+#define LWIP_TIMEVAL_PRIVATE       1
 #endif
 
 #if defined(__CC_ARM)   /* ARMCC compiler */
@@ -95,14 +95,14 @@
 #endif
 
 void sys_arch_assert(const char* file, int line);
-#define LWIP_PLATFORM_DIAG(x)	do {rt_kprintf x;} while(0)
+#define LWIP_PLATFORM_DIAG(x)   do {rt_kprintf x;} while(0)
 #define LWIP_PLATFORM_ASSERT(x) do {rt_kprintf(x); sys_arch_assert(__FILE__, __LINE__);}while(0)
 
 #include "string.h"
 
-#define SYS_ARCH_DECL_PROTECT(level)	
-#define SYS_ARCH_PROTECT(level)		rt_enter_critical()
-#define SYS_ARCH_UNPROTECT(level) 	rt_exit_critical()
+#define SYS_ARCH_DECL_PROTECT(level)
+#define SYS_ARCH_PROTECT(level)     rt_enter_critical()
+#define SYS_ARCH_UNPROTECT(level)   rt_exit_critical()
 
 #endif /* __ARCH_CC_H__ */
 
diff --git a/components/net/lwip-2.1.2/src/arch/sys_arch.c b/components/net/lwip-2.1.2/src/arch/sys_arch.c
index a0eeed1073..c97609a4ea 100644
--- a/components/net/lwip-2.1.2/src/arch/sys_arch.c
+++ b/components/net/lwip-2.1.2/src/arch/sys_arch.c
@@ -1,5 +1,5 @@
 /*
- * COPYRIGHT (C) 2006-2018, RT-Thread Development Team
+ * COPYRIGHT (C) 2006-2021, RT-Thread Development Team
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
diff --git a/components/net/lwip_dhcpd/dhcp_server_raw.c b/components/net/lwip_dhcpd/dhcp_server_raw.c
index 6c786301be..92fd11671c 100644
--- a/components/net/lwip_dhcpd/dhcp_server_raw.c
+++ b/components/net/lwip_dhcpd/dhcp_server_raw.c
@@ -26,7 +26,7 @@
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  * OF SUCH DAMAGE.
- * 
+ *
  * Change Logs:
  * Date           Author       Notes
  * 2014-04-01     Ren.Haibo    the first version
diff --git a/components/net/netdev/include/arpa/inet.h b/components/net/netdev/include/arpa/inet.h
index 085e15dcbc..9072dffb79 100644
--- a/components/net/netdev/include/arpa/inet.h
+++ b/components/net/netdev/include/arpa/inet.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/netdev/include/netdev.h b/components/net/netdev/include/netdev.h
index e11a8929b0..16da0e502c 100644
--- a/components/net/netdev/include/netdev.h
+++ b/components/net/netdev/include/netdev.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -79,8 +79,8 @@ struct netdev_ops;
 /* network interface device object */
 struct netdev
 {
-    rt_slist_t list; 
-    
+    rt_slist_t list;
+
     char name[RT_NAME_MAX];                            /* network interface device name */
     ip_addr_t ip_addr;                                 /* IP address */
     ip_addr_t netmask;                                 /* subnet mask */
@@ -91,11 +91,11 @@ struct netdev
     ip_addr_t dns_servers[NETDEV_DNS_SERVERS_NUM];     /* DNS server */
     uint8_t hwaddr_len;                                /* hardware address length */
     uint8_t hwaddr[NETDEV_HWADDR_MAX_LEN];             /* hardware address */
-    
+
     uint16_t flags;                                    /* network interface device status flag */
     uint16_t mtu;                                      /* maximum transfer unit (in bytes) */
     const struct netdev_ops *ops;                      /* network interface device operations */
-    
+
     netdev_callback_fn status_callback;                /* network interface device flags change callback */
     netdev_callback_fn addr_callback;                  /* network interface device address information change callback */
 
diff --git a/components/net/netdev/include/netdev_ipaddr.h b/components/net/netdev/include/netdev_ipaddr.h
index 65970ec5b7..08ea50ed9d 100644
--- a/components/net/netdev/include/netdev_ipaddr.h
+++ b/components/net/netdev/include/netdev_ipaddr.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -23,30 +23,30 @@ extern "C" {
  * On subnets, the decomposition of addresses to host and net parts
  * is done according to subnet mask, not the masks here.
  */
-#define	IN_CLASSA(i)		(((long)(i) & 0x80000000) == 0)
-#define	IN_CLASSA_NET		0xff000000
-#define	IN_CLASSA_NSHIFT	24
-#define	IN_CLASSA_HOST		0x00ffffff
-#define	IN_CLASSA_MAX		128
+#define IN_CLASSA(i)        (((long)(i) & 0x80000000) == 0)
+#define IN_CLASSA_NET       0xff000000
+#define IN_CLASSA_NSHIFT    24
+#define IN_CLASSA_HOST      0x00ffffff
+#define IN_CLASSA_MAX       128
 
-#define	IN_CLASSB(i)		(((long)(i) & 0xc0000000) == 0x80000000)
-#define	IN_CLASSB_NET		0xffff0000
-#define	IN_CLASSB_NSHIFT	16
-#define	IN_CLASSB_HOST		0x0000ffff
-#define	IN_CLASSB_MAX		65536
+#define IN_CLASSB(i)        (((long)(i) & 0xc0000000) == 0x80000000)
+#define IN_CLASSB_NET       0xffff0000
+#define IN_CLASSB_NSHIFT    16
+#define IN_CLASSB_HOST      0x0000ffff
+#define IN_CLASSB_MAX       65536
 
-#define	IN_CLASSC(i)		(((long)(i) & 0xe0000000) == 0xc0000000)
-#define	IN_CLASSC_NET		0xffffff00
-#define	IN_CLASSC_NSHIFT	8
-#define	IN_CLASSC_HOST		0x000000ff
+#define IN_CLASSC(i)        (((long)(i) & 0xe0000000) == 0xc0000000)
+#define IN_CLASSC_NET       0xffffff00
+#define IN_CLASSC_NSHIFT    8
+#define IN_CLASSC_HOST      0x000000ff
 
-#define	IN_CLASSD(i)		(((long)(i) & 0xf0000000) == 0xe0000000)
-#define	IN_MULTICAST(i)		IN_CLASSD(i)
+#define IN_CLASSD(i)        (((long)(i) & 0xf0000000) == 0xe0000000)
+#define IN_MULTICAST(i)     IN_CLASSD(i)
 
-#define	IN_EXPERIMENTAL(i)	(((long)(i) & 0xe0000000) == 0xe0000000)
-#define	IN_BADCLASS(i)		(((long)(i) & 0xf0000000) == 0xf0000000)
+#define IN_EXPERIMENTAL(i)  (((long)(i) & 0xe0000000) == 0xe0000000)
+#define IN_BADCLASS(i)      (((long)(i) & 0xf0000000) == 0xf0000000)
 
-#define	IN_LOOPBACKNET		127			/* official! */
+#define IN_LOOPBACKNET      127         /* official! */
 
 /* IP address types for use in ip_addr_t.type member */
 enum netdev_ip_addr_type {
@@ -307,7 +307,7 @@ const char *netdev_inet_ntop(int af, const void *src, char *dst, int32_t size);
 int netdev_inet_pton(int af, const char *src, void *dst);
 
 #define inet_ntop(af, src, dst, size)       netdev_inet_ntop(af, src, dst, size)
-#define inet_pton(af, src, dst)             netdev_inet_pton(af, src, dst) 
+#define inet_pton(af, src, dst)             netdev_inet_pton(af, src, dst)
 
 #ifdef __cplusplus
 }
diff --git a/components/net/netdev/src/netdev.c b/components/net/netdev/src/netdev.c
index cef11847f9..3f7aa401c1 100644
--- a/components/net/netdev/src/netdev.c
+++ b/components/net/netdev/src/netdev.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2019, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/netdev/src/netdev_ipaddr.c b/components/net/netdev/src/netdev_ipaddr.c
index a70a90bb75..9abb41bd14 100644
--- a/components/net/netdev/src/netdev_ipaddr.c
+++ b/components/net/netdev/src/netdev_ipaddr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/dfs_net/dfs_net.c b/components/net/sal_socket/dfs_net/dfs_net.c
index f1a3d777a1..67b652c320 100644
--- a/components/net/sal_socket/dfs_net/dfs_net.c
+++ b/components/net/sal_socket/dfs_net/dfs_net.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -21,7 +21,7 @@
 int dfs_net_getsocket(int fd)
 {
     int socket;
-    struct dfs_fd *_dfs_fd; 
+    struct dfs_fd *_dfs_fd;
 
     _dfs_fd = fd_get(fd);
     if (_dfs_fd == NULL) return -1;
@@ -68,7 +68,7 @@ static int dfs_net_poll(struct dfs_fd *file, struct rt_pollreq *req)
     return sal_poll(file, req);
 }
 
-const struct dfs_file_ops _net_fops = 
+const struct dfs_file_ops _net_fops =
 {
     NULL,    /* open     */
     dfs_net_close,
diff --git a/components/net/sal_socket/impl/af_inet.h b/components/net/sal_socket/impl/af_inet.h
index caffbe1400..421d15bfae 100644
--- a/components/net/sal_socket/impl/af_inet.h
+++ b/components/net/sal_socket/impl/af_inet.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/impl/af_inet_at.c b/components/net/sal_socket/impl/af_inet_at.c
index 135e4183c4..c85dfe9f06 100644
--- a/components/net/sal_socket/impl/af_inet_at.c
+++ b/components/net/sal_socket/impl/af_inet_at.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -85,7 +85,7 @@ static const struct sal_socket_ops at_socket_ops =
 #endif /* SAL_USING_POSIX */
 };
 
-static const struct sal_netdb_ops at_netdb_ops = 
+static const struct sal_netdb_ops at_netdb_ops =
 {
     at_gethostbyname,
     NULL,
diff --git a/components/net/sal_socket/impl/af_inet_lwip.c b/components/net/sal_socket/impl/af_inet_lwip.c
index 56df735ab9..2e19275b5d 100644
--- a/components/net/sal_socket/impl/af_inet_lwip.c
+++ b/components/net/sal_socket/impl/af_inet_lwip.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -229,7 +229,7 @@ int inet_ioctlsocket(int socket, long cmd, void *arg)
     {
     case F_GETFL:
     case F_SETFL:
-        return lwip_fcntl(socket, cmd, (int) arg); 
+        return lwip_fcntl(socket, cmd, (int) arg);
 
     default:
         return lwip_ioctl(socket, cmd, arg);
@@ -320,7 +320,7 @@ static const struct sal_proto_family lwip_inet_family =
     AF_INET6,
 #else
     AF_INET,
-#endif 
+#endif
     &lwip_socket_ops,
     &lwip_netdb_ops,
 };
@@ -329,7 +329,7 @@ static const struct sal_proto_family lwip_inet_family =
 int sal_lwip_netdev_set_pf_info(struct netdev *netdev)
 {
     RT_ASSERT(netdev);
-    
+
     netdev->sal_user_data = (void *) &lwip_inet_family;
     return 0;
 }
diff --git a/components/net/sal_socket/impl/proto_mbedtls.c b/components/net/sal_socket/impl/proto_mbedtls.c
index 3472bbeaf5..79fbdcc5d4 100644
--- a/components/net/sal_socket/impl/proto_mbedtls.c
+++ b/components/net/sal_socket/impl/proto_mbedtls.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -59,7 +59,7 @@ static void *mebdtls_socket(int socket)
     {
         tls_free(session);
         session = RT_NULL;
-        
+
         return RT_NULL;
     }
 
@@ -68,7 +68,7 @@ static void *mebdtls_socket(int socket)
     {
         mbedtls_client_close(session);
         return RT_NULL;
-    }  
+    }
     session->server_fd.fd = socket;
 
     return (void *)session;
@@ -89,7 +89,7 @@ int mbedtls_net_send_cb(void *ctx, const unsigned char *buf, size_t len)
     {
         return -1;
     }
-    
+
     pf = (struct sal_proto_family *)sock->netdev->sal_user_data;
 
     /* Register scoket sendto option to TLS send data callback */
@@ -128,7 +128,7 @@ int mbedtls_net_recv_cb( void *ctx, unsigned char *buf, size_t len)
     }
 
     pf = (struct sal_proto_family *)sock->netdev->sal_user_data;
-    
+
     /* Register scoket recvfrom option to TLS recv data callback */
     ret = pf->skt_ops->recvfrom((int) sock->user_data, (void *)buf, len, 0, RT_NULL, RT_NULL);
     if (ret < 0)
@@ -183,7 +183,7 @@ static int mbedtls_connect(void *sock)
         mbedtls_x509_crt_verify_info((char *)session->buffer, session->buffer_len, "  ! ", ret);
         goto __exit;
     }
-    
+
     return ret;
 
 __exit:
@@ -199,27 +199,27 @@ static int mbedtls_closesocket(void *sock)
 {
     struct sal_socket *ssock;
     int socket;
-    
+
     if (sock == RT_NULL)
     {
         return 0;
     }
-    
+
     socket = ((MbedTLSSession *) sock)->server_fd.fd;
     ssock = sal_get_socket(socket);
     if (ssock == RT_NULL)
     {
         return -1;
     }
-    
+
     /* Close TLS client session, and clean user-data in SAL socket */
     mbedtls_client_close((MbedTLSSession *) sock);
     ssock->user_data_tls = RT_NULL;
-    
+
     return 0;
 }
 
-static const struct sal_proto_tls_ops mbedtls_proto_ops= 
+static const struct sal_proto_tls_ops mbedtls_proto_ops=
 {
     RT_NULL,
     mebdtls_socket,
diff --git a/components/net/sal_socket/include/dfs_net/dfs_net.h b/components/net/sal_socket/include/dfs_net/dfs_net.h
index ad28b8ec2a..82b7526603 100644
--- a/components/net/sal_socket/include/dfs_net/dfs_net.h
+++ b/components/net/sal_socket/include/dfs_net/dfs_net.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/include/dfs_net/sys_select/sys/select.h b/components/net/sal_socket/include/dfs_net/sys_select/sys/select.h
index 8899daee96..f174bc6504 100644
--- a/components/net/sal_socket/include/dfs_net/sys_select/sys/select.h
+++ b/components/net/sal_socket/include/dfs_net/sys_select/sys/select.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/include/sal.h b/components/net/sal_socket/include/sal.h
index 6ffaa90356..dd250e37b6 100644
--- a/components/net/sal_socket/include/sal.h
+++ b/components/net/sal_socket/include/sal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/include/sal_netdb.h b/components/net/sal_socket/include/sal_netdb.h
index d5ce9b1d7e..50064ce343 100644
--- a/components/net/sal_socket/include/sal_netdb.h
+++ b/components/net/sal_socket/include/sal_netdb.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/include/sal_socket.h b/components/net/sal_socket/include/sal_socket.h
index b620bbe23c..497be47e41 100644
--- a/components/net/sal_socket/include/sal_socket.h
+++ b/components/net/sal_socket/include/sal_socket.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -171,7 +171,7 @@ struct sockaddr_in
 #endif /* NETDEV_IPV4 */
 
 #if NETDEV_IPV6
-struct sockaddr_in6 
+struct sockaddr_in6
 {
   uint8_t         sin6_len;      /* length of this structure    */
   sa_family_t     sin6_family;   /* AF_INET6                    */
diff --git a/components/net/sal_socket/include/sal_tls.h b/components/net/sal_socket/include/sal_tls.h
index 7681b313bd..f211a3c1f8 100644
--- a/components/net/sal_socket/include/sal_tls.h
+++ b/components/net/sal_socket/include/sal_tls.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/include/socket/netdb.h b/components/net/sal_socket/include/socket/netdb.h
index 17f83efe00..4783405022 100644
--- a/components/net/sal_socket/include/socket/netdb.h
+++ b/components/net/sal_socket/include/socket/netdb.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/include/socket/netinet/in.h b/components/net/sal_socket/include/socket/netinet/in.h
index 57c417d7b6..37240547b4 100644
--- a/components/net/sal_socket/include/socket/netinet/in.h
+++ b/components/net/sal_socket/include/socket/netinet/in.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/include/socket/netinet/tcp.h b/components/net/sal_socket/include/socket/netinet/tcp.h
index 2ac4d6f40d..a3b530186a 100644
--- a/components/net/sal_socket/include/socket/netinet/tcp.h
+++ b/components/net/sal_socket/include/socket/netinet/tcp.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/include/socket/netinet/udp.h b/components/net/sal_socket/include/socket/netinet/udp.h
index 485d7d142c..21f50d55e5 100644
--- a/components/net/sal_socket/include/socket/netinet/udp.h
+++ b/components/net/sal_socket/include/socket/netinet/udp.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/include/socket/sys_socket/sys/socket.h b/components/net/sal_socket/include/socket/sys_socket/sys/socket.h
index 04470aa84a..a86240e2ff 100644
--- a/components/net/sal_socket/include/socket/sys_socket/sys/socket.h
+++ b/components/net/sal_socket/include/socket/sys_socket/sys/socket.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/socket/net_netdb.c b/components/net/sal_socket/socket/net_netdb.c
index bc76a48965..03b995c68d 100644
--- a/components/net/sal_socket/socket/net_netdb.c
+++ b/components/net/sal_socket/socket/net_netdb.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
diff --git a/components/net/sal_socket/socket/net_sockets.c b/components/net/sal_socket/socket/net_sockets.c
index a53b2f1f9c..3637635d50 100644
--- a/components/net/sal_socket/socket/net_sockets.c
+++ b/components/net/sal_socket/socket/net_sockets.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -95,7 +95,7 @@ int shutdown(int s, int how)
         rt_set_errno(-EBADF);
         return -1;
     }
-    
+
     if (sal_shutdown(socket, how) == 0)
     {
         error = 0;
@@ -105,7 +105,7 @@ int shutdown(int s, int how)
         rt_set_errno(-ENOTSOCK);
         error = -1;
     }
-    
+
     fd_put(d);
 
     return error;
diff --git a/components/net/sal_socket/src/sal_socket.c b/components/net/sal_socket/src/sal_socket.c
index 27dea260fb..e7142fae94 100644
--- a/components/net/sal_socket/src/sal_socket.c
+++ b/components/net/sal_socket/src/sal_socket.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *