/**
* \file
* Header file for the uIP TCP/IP stack.
- * \author Adam Dunkels <adam@dunkels.com>
+ * \author Adam Dunkels <adam@dunkels.com>
+ * \author Julien Abeille <jabeille@cisco.com> (IPv6 related code)
+ * \author Mathilde Durvy <mdurvy@cisco.com> (IPv6 related code)
*
* The uIP TCP/IP stack header file contains definitions for a number
* of C macros that are used by uIP programs as well as internal uIP
*
*/
-
/*
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* This file is part of the uIP TCP/IP stack.
*
- * $Id: uip.h,v 1.40 2006/06/08 07:12:07 adam Exp $
+ * $Id: uip.h,v 1.24 2009/04/06 13:18:50 nvt-se Exp $
*
*/
#include "uipopt.h"
/**
- * Repressentation of an IP address.
+ * Representation of an IP address.
*
*/
-typedef u16_t uip_ip4addr_t[2];
-typedef u16_t uip_ip6addr_t[8];
#if UIP_CONF_IPV6
+typedef union uip_ip6addr_t {
+ u8_t u8[16]; /* Initialiser, must come first!!! */
+ u16_t u16[8];
+} uip_ip6addr_t;
+
typedef uip_ip6addr_t uip_ipaddr_t;
#else /* UIP_CONF_IPV6 */
+typedef union uip_ip4addr_t {
+ u8_t u8[4]; /* Initialiser, must come first!!! */
+ u16_t u16[2];
+#if 0
+ u32_t u32;
+#endif
+} uip_ip4addr_t;
typedef uip_ip4addr_t uip_ipaddr_t;
#endif /* UIP_CONF_IPV6 */
+
+/*---------------------------------------------------------------------------*/
+
+/** \brief 16 bit 802.15.4 address */
+struct uip_802154_shortaddr {
+ u8_t addr[2];
+};
+/** \brief 64 bit 802.15.4 address */
+struct uip_802154_longaddr {
+ u8_t addr[8];
+};
+
+/** \brief 802.11 address */
+struct uip_80211_addr {
+ u8_t addr[6];
+};
+
+/** \brief 802.3 address */
+struct uip_eth_addr {
+ u8_t addr[6];
+};
+
+#if UIP_CONF_LL_802154
+/** \brief 802.15.4 address */
+typedef struct uip_802154_longaddr uip_lladdr_t;
+#define UIP_802154_SHORTADDR_LEN 2
+#define UIP_802154_LONGADDR_LEN 8
+#define UIP_LLADDR_LEN UIP_802154_LONGADDR_LEN
+#else /*UIP_CONF_LL_802154*/
+#if UIP_CONF_LL_80211
+/** \brief 802.11 address */
+typedef struct uip_80211_addr uip_lladdr_t;
+#define UIP_LLADDR_LEN 6
+#else /*UIP_CONF_LL_80211*/
+/** \brief Ethernet address */
+typedef struct uip_eth_addr uip_lladdr_t;
+#define UIP_LLADDR_LEN 6
+#endif /*UIP_CONF_LL_80211*/
+#endif /*UIP_CONF_LL_802154*/
+
/*---------------------------------------------------------------------------*/
/* First, the functions that should be called from the
- * system. Initialization, the periodic timer and incoming packets are
+ * system. Initialization, the periodic timer, and incoming packets are
* handled by the following three functions.
*/
-
/**
* \defgroup uipconffunc uIP configuration functions
* @{
uip_ipaddr(&addr, 192,168,1,2);
uip_sethostaddr(&addr);
-
+
\endcode
* \param addr A pointer to an IP address of type uip_ipaddr_t;
*
*
* \hideinitializer
*/
-#define uip_sethostaddr(addr) uip_ipaddr_copy(uip_hostaddr, (addr))
+#define uip_sethostaddr(addr) uip_ipaddr_copy(&uip_hostaddr, (addr))
/**
* Get the IP address of this host.
*
* \hideinitializer
*/
-#define uip_gethostaddr(addr) uip_ipaddr_copy((addr), uip_hostaddr)
+#define uip_gethostaddr(addr) uip_ipaddr_copy((addr), &uip_hostaddr)
/**
* Set the default router's IP address.
*
* \hideinitializer
*/
-#define uip_setdraddr(addr) uip_ipaddr_copy(uip_draddr, (addr))
+#define uip_setdraddr(addr) uip_ipaddr_copy(&uip_draddr, (addr))
/**
* Set the netmask.
*
* \hideinitializer
*/
-#define uip_setnetmask(addr) uip_ipaddr_copy(uip_netmask, (addr))
+#define uip_setnetmask(addr) uip_ipaddr_copy(&uip_netmask, (addr))
/**
*
* \hideinitializer
*/
-#define uip_getdraddr(addr) uip_ipaddr_copy((addr), uip_draddr)
+#define uip_getdraddr(addr) uip_ipaddr_copy((addr), &uip_draddr)
/**
* Get the netmask.
*
* \hideinitializer
*/
-#define uip_getnetmask(addr) uip_ipaddr_copy((addr), uip_netmask)
+#define uip_getnetmask(addr) uip_ipaddr_copy((addr), &uip_netmask)
/** @} */
/**
* uIP initialization function.
*
- * This function should be called at boot up to initilize the uIP
+ * This function should be called at boot up to initialize the uIP
* TCP/IP stack.
*/
void uip_init(void);
* The usual way of calling the function is presented by the source
* code below.
\code
- uip_len = devicedriver_poll();
- if(uip_len > 0) {
- uip_input();
- if(uip_len > 0) {
- devicedriver_send();
- }
- }
+ uip_len = devicedriver_poll();
+ if(uip_len > 0) {
+ uip_input();
+ if(uip_len > 0) {
+ devicedriver_send();
+ }
+ }
\endcode
*
* \note If you are writing a uIP device driver that needs ARP
* Ethernet, you will need to call the uIP ARP code before calling
* this function:
\code
- #define BUF ((struct uip_eth_hdr *)&uip_buf[0])
- uip_len = ethernet_devicedrver_poll();
- if(uip_len > 0) {
- if(BUF->type == HTONS(UIP_ETHTYPE_IP)) {
- uip_arp_ipin();
- uip_input();
- if(uip_len > 0) {
- uip_arp_out();
- ethernet_devicedriver_send();
- }
- } else if(BUF->type == HTONS(UIP_ETHTYPE_ARP)) {
- uip_arp_arpin();
- if(uip_len > 0) {
- ethernet_devicedriver_send();
- }
- }
+ #define BUF ((struct uip_eth_hdr *)&uip_buf[0])
+ uip_len = ethernet_devicedrver_poll();
+ if(uip_len > 0) {
+ if(BUF->type == HTONS(UIP_ETHTYPE_IP)) {
+ uip_arp_ipin();
+ uip_input();
+ if(uip_len > 0) {
+ uip_arp_out();
+ ethernet_devicedriver_send();
+ }
+ } else if(BUF->type == HTONS(UIP_ETHTYPE_ARP)) {
+ uip_arp_arpin();
+ if(uip_len > 0) {
+ ethernet_devicedriver_send();
+ }
+ }
\endcode
*
* \hideinitializer
*/
#define uip_input() uip_process(UIP_DATA)
+
/**
* Periodic processing for a connection identified by its number.
*
* This function does the necessary periodic processing (timers,
- * polling) for a uIP TCP conneciton, and should be called when the
+ * polling) for a uIP TCP connection, and should be called when the
* periodic uIP timer goes off. It should be called for every
* connection, regardless of whether they are open of closed.
*
* variable is set to a value larger than zero. The device driver
* should be called to send out the packet.
*
- * The ususal way of calling the function is through a for() loop like
+ * The usual way of calling the function is through a for() loop like
* this:
\code
- for(i = 0; i < UIP_CONNS; ++i) {
- uip_periodic(i);
- if(uip_len > 0) {
- devicedriver_send();
- }
- }
+ for(i = 0; i < UIP_CONNS; ++i) {
+ uip_periodic(i);
+ if(uip_len > 0) {
+ devicedriver_send();
+ }
+ }
\endcode
*
* \note If you are writing a uIP device driver that needs ARP
* Ethernet, you will need to call the uip_arp_out() function before
* calling the device driver:
\code
- for(i = 0; i < UIP_CONNS; ++i) {
- uip_periodic(i);
- if(uip_len > 0) {
- uip_arp_out();
- ethernet_devicedriver_send();
- }
- }
+ for(i = 0; i < UIP_CONNS; ++i) {
+ uip_periodic(i);
+ if(uip_len > 0) {
+ uip_arp_out();
+ ethernet_devicedriver_send();
+ }
+ }
\endcode
*
* \param conn The number of the connection which is to be periodically polled.
*
* \hideinitializer
*/
-#define uip_periodic(conn) do { uip_conn = &uip_conns[conn]; \
- uip_process(UIP_TIMER); } while (0)
+#if UIP_TCP
+#define uip_periodic(conn) do { uip_conn = &uip_conns[conn]; \
+ uip_process(UIP_TIMER); } while (0)
/**
*
*
* \hideinitializer
*/
-#define uip_periodic_conn(conn) do { uip_conn = conn; \
- uip_process(UIP_TIMER); } while (0)
+#define uip_periodic_conn(conn) do { uip_conn = conn; \
+ uip_process(UIP_TIMER); } while (0)
/**
- * Reuqest that a particular connection should be polled.
+ * Request that a particular connection should be polled.
*
* Similar to uip_periodic_conn() but does not perform any timer
* processing. The application is polled for new data.
*
* \hideinitializer
*/
-#define uip_poll_conn(conn) do { uip_conn = conn; \
- uip_process(UIP_POLL_REQUEST); } while (0)
+#define uip_poll_conn(conn) do { uip_conn = conn; \
+ uip_process(UIP_POLL_REQUEST); } while (0)
+#endif /* UIP_TCP */
#if UIP_UDP
/**
* UDP connections. It is called in a similar fashion as the
* uip_periodic() function:
\code
- for(i = 0; i < UIP_UDP_CONNS; i++) {
- uip_udp_periodic(i);
- if(uip_len > 0) {
- devicedriver_send();
- }
- }
+ for(i = 0; i < UIP_UDP_CONNS; i++) {
+ uip_udp_periodic(i);
+ if(uip_len > 0) {
+ devicedriver_send();
+ }
+ }
\endcode
*
* \note As for the uip_periodic() function, special care has to be
* taken when using uIP together with ARP and Ethernet:
\code
- for(i = 0; i < UIP_UDP_CONNS; i++) {
- uip_udp_periodic(i);
- if(uip_len > 0) {
- uip_arp_out();
- ethernet_devicedriver_send();
- }
- }
+ for(i = 0; i < UIP_UDP_CONNS; i++) {
+ uip_udp_periodic(i);
+ if(uip_len > 0) {
+ uip_arp_out();
+ ethernet_devicedriver_send();
+ }
+ }
\endcode
*
* \param conn The number of the UDP connection to be processed.
* \hideinitializer
*/
#define uip_udp_periodic(conn) do { uip_udp_conn = &uip_udp_conns[conn]; \
- uip_process(UIP_UDP_TIMER); } while (0)
+ uip_process(UIP_UDP_TIMER); } while(0)
/**
* Periodic processing for a UDP connection identified by a pointer to
*
* \hideinitializer
*/
-#define uip_udp_periodic_conn(conn) do { uip_udp_conn = conn; \
- uip_process(UIP_UDP_TIMER); } while (0)
-
-
+#define uip_udp_periodic_conn(conn) do { uip_udp_conn = conn; \
+ uip_process(UIP_UDP_TIMER); } while(0)
#endif /* UIP_UDP */
+/** \brief Abandon the reassembly of the current packet */
+void uip_reass_over(void);
+
/**
* The uIP packet buffer.
*
void
devicedriver_send(void)
{
- hwsend(&uip_buf[0], UIP_LLH_LEN);
- if(uip_len <= UIP_LLH_LEN + UIP_TCPIP_HLEN) {
- hwsend(&uip_buf[UIP_LLH_LEN], uip_len - UIP_LLH_LEN);
- } else {
- hwsend(&uip_buf[UIP_LLH_LEN], UIP_TCPIP_HLEN);
- hwsend(uip_appdata, uip_len - UIP_TCPIP_HLEN - UIP_LLH_LEN);
- }
+ hwsend(&uip_buf[0], UIP_LLH_LEN);
+ if(uip_len <= UIP_LLH_LEN + UIP_TCPIP_HLEN) {
+ hwsend(&uip_buf[UIP_LLH_LEN], uip_len - UIP_LLH_LEN);
+ } else {
+ hwsend(&uip_buf[UIP_LLH_LEN], UIP_TCPIP_HLEN);
+ hwsend(uip_appdata, uip_len - UIP_TCPIP_HLEN - UIP_LLH_LEN);
+ }
}
\endcode
- */
+*/
extern u8_t uip_buf[UIP_BUFSIZE+2];
+
+
/** @} */
/*---------------------------------------------------------------------------*/
/* Functions that are used by the uIP application program. Opening and
* closing connections, sending and receiving data, etc. is all
* handled by the functions below.
-*/
+ */
/**
* \defgroup uipappfunc uIP application functions
* @{
* Connect to a remote host using TCP.
*
* This function is used to start a new connection to the specified
- * port on the specied host. It allocates a new connection identifier,
+ * port on the specified host. It allocates a new connection identifier,
* sets the connection to the SYN_SENT state and sets the
* retransmission timer to 0. This will cause a TCP SYN segment to be
* sent out the next time this connection is periodically processed,
* which usually is done within 0.5 seconds after the call to
* uip_connect().
*
- * \note This function is avaliable only if support for active open
+ * \note This function is available only if support for active open
* has been configured by defining UIP_ACTIVE_OPEN to 1 in uipopt.h.
*
* \note Since this function requires the port number to be in network
uip_connect(&ipaddr, HTONS(80));
\endcode
*
- * \param ripaddr The IP address of the remote hot.
+ * \param ripaddr The IP address of the remote host.
*
* \param port A 16-bit port number in network byte order.
*
* processing can send data.
*
* The amount of data that actually is sent out after a call to this
- * funcion is determined by the maximum amount of data TCP allows. uIP
+ * function is determined by the maximum amount of data TCP allows. uIP
* will automatically crop the data so that only the appropriate
* amount of data is sent. The function uip_mss() can be used to query
* uIP for the amount of data that actually will be sent.
void uip_send(const void *data, int len);
/**
- * The length of any incoming data that is currently avaliable (if avaliable)
+ * The length of any incoming data that is currently available (if available)
* in the uip_appdata buffer.
*
* The test function uip_data() must first be used to check if there
* Abort the current connection.
*
* This function will abort (reset) the current connection, and is
- * usually used when an error has occured that prevents using the
+ * usually used when an error has occurred that prevents using the
* uip_close() function.
*
* \hideinitializer
*
* \hideinitializer
*/
-#define uip_restart() do { uip_flags |= UIP_NEWDATA; \
- uip_conn->tcpstateflags &= ~UIP_STOPPED; \
- } while(0)
+#define uip_restart() do { uip_flags |= UIP_NEWDATA; \
+ uip_conn->tcpstateflags &= ~UIP_STOPPED; \
+ } while(0)
/* uIP tests that can be made to determine in what state the current
*
* Will reduce to non-zero if there is new data for the application
* present at the uip_appdata pointer. The size of the data is
- * avaliable through the uip_len variable.
+ * available through the uip_len variable.
*
* \hideinitializer
*/
#define uip_poll() (uip_flags & UIP_POLL)
/**
- * Get the initial maxium segment size (MSS) of the current
+ * Get the initial maximum segment size (MSS) of the current
* connection.
*
* \hideinitializer
#define uip_initialmss() (uip_conn->initialmss)
/**
- * Get the current maxium segment size that can be sent on the current
+ * Get the current maximum segment size that can be sent on the current
* connection.
*
- * The current maxiumum segment size that can be sent on the
+ * The current maximum segment size that can be sent on the
* connection is computed from the receiver's window and the MSS of
* the connection (which also is available by calling
* uip_initialmss()).
\code
uip_ipaddr_t addr;
struct uip_udp_conn *c;
-
+
uip_ipaddr(&addr, 192,168,2,1);
c = uip_udp_new(&addr, HTONS(12345));
if(c != NULL) {
- uip_udp_bind(c, HTONS(12344));
+ uip_udp_bind(c, HTONS(12344));
}
\endcode
* \param ripaddr The IP address of the remote host.
* \return The uip_udp_conn structure for the new connection or NULL
* if no connection could be allocated.
*/
-struct uip_udp_conn *uip_udp_new(uip_ipaddr_t *ripaddr, u16_t rport);
+struct uip_udp_conn *uip_udp_new(const uip_ipaddr_t *ripaddr, u16_t rport);
/**
* Removed a UDP connection.
* These functions can be used for converting between different data
* formats used by uIP.
*/
-
+
+/**
+ * Convert an IP address to four bytes separated by commas.
+ *
+ * Example:
+ \code
+ uip_ipaddr_t ipaddr;
+ printf("ipaddr=%d.%d.%d.%d\n", uip_ipaddr_to_quad(&ipaddr));
+ \endcode
+ *
+ * \param a A pointer to a uip_ipaddr_t.
+ * \hideinitializer
+ */
+#define uip_ipaddr_to_quad(a) (a)->u8[0],(a)->u8[1],(a)->u8[2],(a)->u8[3]
+
/**
* Construct an IP address from four bytes.
*
\code
uip_ipaddr_t ipaddr;
struct uip_conn *c;
-
+
uip_ipaddr(&ipaddr, 192,168,1,2);
c = uip_connect(&ipaddr, HTONS(80));
\endcode
*
* \hideinitializer
*/
-#define uip_ipaddr(addr, addr0,addr1,addr2,addr3) do { \
- ((u16_t *)(addr))[0] = HTONS(((addr0) << 8) | (addr1)); \
- ((u16_t *)(addr))[1] = HTONS(((addr2) << 8) | (addr3)); \
- } while(0)
+#define uip_ipaddr(addr, addr0,addr1,addr2,addr3) do { \
+ (addr)->u8[0] = addr0; \
+ (addr)->u8[1] = addr1; \
+ (addr)->u8[2] = addr2; \
+ (addr)->u8[3] = addr3; \
+ } while(0)
/**
* Construct an IPv6 address from eight 16-bit words.
* \hideinitializer
*/
#define uip_ip6addr(addr, addr0,addr1,addr2,addr3,addr4,addr5,addr6,addr7) do { \
- ((u16_t *)(addr))[0] = HTONS((addr0)); \
- ((u16_t *)(addr))[1] = HTONS((addr1)); \
- ((u16_t *)(addr))[2] = HTONS((addr2)); \
- ((u16_t *)(addr))[3] = HTONS((addr3)); \
- ((u16_t *)(addr))[4] = HTONS((addr4)); \
- ((u16_t *)(addr))[5] = HTONS((addr5)); \
- ((u16_t *)(addr))[6] = HTONS((addr6)); \
- ((u16_t *)(addr))[7] = HTONS((addr7)); \
- } while(0)
+ (addr)->u16[0] = HTONS(addr0); \
+ (addr)->u16[1] = HTONS(addr1); \
+ (addr)->u16[2] = HTONS(addr2); \
+ (addr)->u16[3] = HTONS(addr3); \
+ (addr)->u16[4] = HTONS(addr4); \
+ (addr)->u16[5] = HTONS(addr5); \
+ (addr)->u16[6] = HTONS(addr6); \
+ (addr)->u16[7] = HTONS(addr7); \
+ } while(0)
+
+/**
+ * Construct an IPv6 address from sixteen 8-bit words.
+ *
+ * This function constructs an IPv6 address.
+ *
+ * \hideinitializer
+ */
+#define uip_ip6addr_u8(addr, addr0,addr1,addr2,addr3,addr4,addr5,addr6,addr7,addr8,addr9,addr10,addr11,addr12,addr13,addr14,addr15) do { \
+ (addr)->u8[0] = addr0; \
+ (addr)->u8[1] = addr1; \
+ (addr)->u8[2] = addr2; \
+ (addr)->u8[3] = addr3; \
+ (addr)->u8[4] = addr4; \
+ (addr)->u8[5] = addr5; \
+ (addr)->u8[6] = addr6; \
+ (addr)->u8[7] = addr7; \
+ (addr)->u8[8] = addr8; \
+ (addr)->u8[9] = addr9; \
+ (addr)->u8[10] = addr10; \
+ (addr)->u8[11] = addr11; \
+ (addr)->u8[12] = addr12; \
+ (addr)->u8[13] = addr13; \
+ (addr)->u8[14] = addr14; \
+ (addr)->u8[15] = addr15; \
+ } while(0)
+
/**
* Copy an IP address to another IP address.
*
* \hideinitializer
*/
-#if !UIP_CONF_IPV6
-#define uip_ipaddr_copy(dest, src) do { \
- ((u16_t *)dest)[0] = ((u16_t *)src)[0]; \
- ((u16_t *)dest)[1] = ((u16_t *)src)[1]; \
- } while(0)
-#else /* !UIP_CONF_IPV6 */
-#define uip_ipaddr_copy(dest, src) memcpy(dest, src, sizeof(uip_ip6addr_t))
-#endif /* !UIP_CONF_IPV6 */
+#ifndef uip_ipaddr_copy
+#define uip_ipaddr_copy(dest, src) (*(dest) = *(src))
+#endif
/**
* Compare two IP addresses
uip_ipaddr(&ipaddr1, 192,16,1,2);
if(uip_ipaddr_cmp(&ipaddr2, &ipaddr1)) {
- printf("They are the same");
+ printf("They are the same");
}
\endcode
*
* \hideinitializer
*/
#if !UIP_CONF_IPV6
-#define uip_ipaddr_cmp(addr1, addr2) (((u16_t *)addr1)[0] == ((u16_t *)addr2)[0] && \
- ((u16_t *)addr1)[1] == ((u16_t *)addr2)[1])
+#define uip_ipaddr_cmp(addr1, addr2) ((addr1)->u16[0] == (addr2)->u16[0] && \
+ (addr1)->u16[1] == (addr2)->u16[1])
#else /* !UIP_CONF_IPV6 */
#define uip_ipaddr_cmp(addr1, addr2) (memcmp(addr1, addr2, sizeof(uip_ip6addr_t)) == 0)
#endif /* !UIP_CONF_IPV6 */
uip_ipaddr(&ipaddr1, 192,16,1,2);
uip_ipaddr(&ipaddr2, 192,16,1,3);
if(uip_ipaddr_maskcmp(&ipaddr1, &ipaddr2, &mask)) {
- printf("They are the same");
+ printf("They are the same");
}
\endcode
*
*
* \hideinitializer
*/
-#define uip_ipaddr_maskcmp(addr1, addr2, mask) \
- (((((u16_t *)addr1)[0] & ((u16_t *)mask)[0]) == \
- (((u16_t *)addr2)[0] & ((u16_t *)mask)[0])) && \
- ((((u16_t *)addr1)[1] & ((u16_t *)mask)[1]) == \
- (((u16_t *)addr2)[1] & ((u16_t *)mask)[1])))
+#if !UIP_CONF_IPV6
+#define uip_ipaddr_maskcmp(addr1, addr2, mask) \
+ (((((u16_t *)addr1)[0] & ((u16_t *)mask)[0]) == \
+ (((u16_t *)addr2)[0] & ((u16_t *)mask)[0])) && \
+ ((((u16_t *)addr1)[1] & ((u16_t *)mask)[1]) == \
+ (((u16_t *)addr2)[1] & ((u16_t *)mask)[1])))
+#else
+#define uip_ipaddr_prefixcmp(addr1, addr2, length) (memcmp(addr1, addr2, length>>3) == 0)
+#endif
+
+
+/**
+ * Check if an address is a broadcast address for a network.
+ *
+ * Checks if an address is the broadcast address for a network. The
+ * network is defined by an IP address that is on the network and the
+ * network's netmask.
+ *
+ * \param addr The IP address.
+ * \param netaddr The network's IP address.
+ * \param netmask The network's netmask.
+ *
+ * \hideinitializer
+ */
+/*#define uip_ipaddr_isbroadcast(addr, netaddr, netmask)
+ ((uip_ipaddr_t *)(addr)).u16 & ((uip_ipaddr_t *)(addr)).u16*/
+
/**
*
* \hideinitializer
*/
-#define uip_ipaddr_mask(dest, src, mask) do { \
- ((u16_t *)dest)[0] = ((u16_t *)src)[0] & ((u16_t *)mask)[0]; \
- ((u16_t *)dest)[1] = ((u16_t *)src)[1] & ((u16_t *)mask)[1]; \
- } while(0)
+#define uip_ipaddr_mask(dest, src, mask) do { \
+ ((u16_t *)dest)[0] = ((u16_t *)src)[0] & ((u16_t *)mask)[0]; \
+ ((u16_t *)dest)[1] = ((u16_t *)src)[1] & ((u16_t *)mask)[1]; \
+ } while(0)
/**
* Pick the first octet of an IP address.
*
* \hideinitializer
*/
-#define uip_ipaddr1(addr) (htons(((u16_t *)(addr))[0]) >> 8)
+#define uip_ipaddr1(addr) ((addr)->u8[0])
/**
* Pick the second octet of an IP address.
*
* \hideinitializer
*/
-#define uip_ipaddr2(addr) (htons(((u16_t *)(addr))[0]) & 0xff)
+#define uip_ipaddr2(addr) ((addr)->u8[1])
/**
* Pick the third octet of an IP address.
*
* \hideinitializer
*/
-#define uip_ipaddr3(addr) (htons(((u16_t *)(addr))[1]) >> 8)
+#define uip_ipaddr3(addr) ((addr)->u8[2])
/**
* Pick the fourth octet of an IP address.
*
* \hideinitializer
*/
-#define uip_ipaddr4(addr) (htons(((u16_t *)(addr))[1]) & 0xff)
+#define uip_ipaddr4(addr) ((addr)->u8[3])
/**
* Convert 16-bit quantity from host byte order to network byte order.
#ifndef HTONS
# if UIP_BYTE_ORDER == UIP_BIG_ENDIAN
# define HTONS(n) (n)
+# define HTONL(n) (n)
# else /* UIP_BYTE_ORDER == UIP_BIG_ENDIAN */
# define HTONS(n) (u16_t)((((u16_t) (n)) << 8) | (((u16_t) (n)) >> 8))
+# define HTONL(n) (((u32_t)HTONS(n) << 16) | HTONS((u32_t)(n) >> 16))
# endif /* UIP_BYTE_ORDER == UIP_BIG_ENDIAN */
#else
#error "HTONS already defined!"
#define ntohs htons
#endif
+#ifndef htonl
+u32_t htonl(u32_t val);
+#endif /* htonl */
+#ifndef ntohl
+#define ntohl htonl
+#endif
+
/** @} */
/**
*/
extern u16_t uip_len;
+/**
+ * The length of the extension headers
+ */
+extern u8_t uip_ext_len;
/** @} */
#if UIP_URGDATA > 0
*
* The uip_conn structure is used for identifying a connection. All
* but one field in the structure are to be considered read-only by an
- * application. The only exception is the appstate field whos purpose
+ * application. The only exception is the appstate field whose purpose
* is to let the application store application-specific state (e.g.,
* file pointers) for the connection. The type of this field is
* configured in the "uipopt.h" header file.
*/
struct uip_conn {
uip_ipaddr_t ripaddr; /**< The IP address of the remote host. */
-
+
u16_t lport; /**< The local TCP port, in network byte order. */
u16_t rport; /**< The local remote TCP port, in network byte
order. */
-
+
u8_t rcv_nxt[4]; /**< The sequence number that we expect to
receive next. */
u8_t snd_nxt[4]; /**< The sequence number that was last sent by
* The uip_conn pointer can be used to access the current TCP
* connection.
*/
+
extern struct uip_conn *uip_conn;
+#if UIP_TCP
/* The array containing all uIP connections. */
extern struct uip_conn uip_conns[UIP_CONNS];
+#endif
+
/**
* \addtogroup uiparch
* @{
* 4-byte array used for the 32-bit sequence number calculations.
*/
extern u8_t uip_acc32[4];
-
/** @} */
-
-#if UIP_UDP
/**
* Representation of a uIP UDP connection.
*/
*/
extern struct uip_udp_conn *uip_udp_conn;
extern struct uip_udp_conn uip_udp_conns[UIP_UDP_CONNS];
-#endif /* UIP_UDP */
+
+struct uip_router {
+ int (*activate)(void);
+ int (*deactivate)(void);
+ uip_ipaddr_t *(*lookup)(uip_ipaddr_t *destipaddr, uip_ipaddr_t *nexthop);
+};
+
+#if UIP_CONF_ROUTER
+extern const struct uip_router *uip_router;
+
+/**
+ * uIP routing driver registration function.
+ */
+void uip_router_register(const struct uip_router *router);
+#endif /*UIP_CONF_ROUTER*/
+
+#if UIP_CONF_ICMP6
+struct uip_icmp6_conn {
+ uip_icmp6_appstate_t appstate;
+};
+extern struct uip_icmp6_conn uip_icmp6_conns;
+#endif /*UIP_CONF_ICMP6*/
+
+/**
+ * The uIP TCP/IP statistics.
+ *
+ * This is the variable in which the uIP TCP/IP statistics are gathered.
+ */
+#if UIP_STATISTICS == 1
+extern struct uip_stats uip_stat;
+#define UIP_STAT(s) s
+#else
+#define UIP_STAT(s)
+#endif /* UIP_STATISTICS == 1 */
/**
* The structure holding the TCP/IP statistics that are gathered if
*/
struct uip_stats {
struct {
- uip_stats_t drop; /**< Number of dropped packets at the IP
- layer. */
uip_stats_t recv; /**< Number of received packets at the IP
layer. */
uip_stats_t sent; /**< Number of sent packets at the IP
layer. */
+ uip_stats_t forwarded;/**< Number of forwarded packets at the IP
+ layer. */
+ uip_stats_t drop; /**< Number of dropped packets at the IP
+ layer. */
uip_stats_t vhlerr; /**< Number of packets dropped due to wrong
IP version or header length. */
uip_stats_t hblenerr; /**< Number of packets dropped due to wrong
were neither ICMP, UDP nor TCP. */
} ip; /**< IP statistics. */
struct {
- uip_stats_t drop; /**< Number of dropped ICMP packets. */
uip_stats_t recv; /**< Number of received ICMP packets. */
uip_stats_t sent; /**< Number of sent ICMP packets. */
+ uip_stats_t drop; /**< Number of dropped ICMP packets. */
uip_stats_t typeerr; /**< Number of ICMP packets with a wrong
type. */
+ uip_stats_t chkerr; /**< Number of ICMP packets with a bad
+ checksum. */
} icmp; /**< ICMP statistics. */
+#if UIP_TCP
struct {
- uip_stats_t drop; /**< Number of dropped TCP segments. */
- uip_stats_t recv; /**< Number of recived TCP segments. */
+ uip_stats_t recv; /**< Number of received TCP segments. */
uip_stats_t sent; /**< Number of sent TCP segments. */
+ uip_stats_t drop; /**< Number of dropped TCP segments. */
uip_stats_t chkerr; /**< Number of TCP segments with a bad
checksum. */
uip_stats_t ackerr; /**< Number of TCP segments with a bad ACK
number. */
- uip_stats_t rst; /**< Number of recevied TCP RST (reset) segments. */
+ uip_stats_t rst; /**< Number of received TCP RST (reset) segments. */
uip_stats_t rexmit; /**< Number of retransmitted TCP segments. */
uip_stats_t syndrop; /**< Number of dropped SYNs due to too few
- connections was avaliable. */
+ connections was available. */
uip_stats_t synrst; /**< Number of SYNs for closed ports,
triggering a RST. */
} tcp; /**< TCP statistics. */
+#endif
#if UIP_UDP
struct {
uip_stats_t drop; /**< Number of dropped UDP segments. */
- uip_stats_t recv; /**< Number of recived UDP segments. */
+ uip_stats_t recv; /**< Number of received UDP segments. */
uip_stats_t sent; /**< Number of sent UDP segments. */
uip_stats_t chkerr; /**< Number of UDP segments with a bad
checksum. */
} udp; /**< UDP statistics. */
#endif /* UIP_UDP */
+#if UIP_CONF_IPV6
+ struct {
+ uip_stats_t drop; /**< Number of dropped ND6 packets. */
+ uip_stats_t recv; /**< Number of received ND6 packets */
+ uip_stats_t sent; /**< Number of sent ND6 packets */
+ } nd6;
+#endif /*UIP_CONF_IPV6*/
};
-/**
- * The uIP TCP/IP statistics.
- *
- * This is the variable in which the uIP TCP/IP statistics are gathered.
- */
-extern struct uip_stats uip_stat;
-
/*---------------------------------------------------------------------------*/
/* All the stuff below this point is internal to uIP and should not be
* used directly by an application or by a device driver.
*/
/*---------------------------------------------------------------------------*/
+
+
+
/* u8_t uip_flags:
*
* When the application is called, uip_flags will contain the flags
* that are defined in this file. Please read below for more
- * infomation.
+ * information.
*/
extern u8_t uip_flags;
/* The following flags may be set in the global variable uip_flags
before calling the application callback. The UIP_ACKDATA,
UIP_NEWDATA, and UIP_CLOSE flags may both be set at the same time,
- whereas the others are mutualy exclusive. Note that these flags
+ whereas the others are mutually exclusive. Note that these flags
should *NOT* be accessed directly, but only through the uIP
functions/macros. */
#define UIP_TIMEDOUT 128 /* The connection has been aborted due to
too many retransmissions. */
+
+/**
+ * \brief process the options within a hop by hop or destination option header
+ * \retval 0: nothing to send,
+ * \retval 1: drop pkt
+ * \retval 2: ICMP error message to send
+*/
+/*static u8_t
+uip_ext_hdr_options_process(); */
+
/* uip_process(flag):
*
* The actual uIP function which does all the work.
*/
void uip_process(u8_t flag);
-/* The following flags are passed as an argument to the uip_process()
+ /* The following flags are passed as an argument to the uip_process()
function. They are used to distinguish between the two cases where
uip_process() is called. It can be called either because we have
incoming data that should be processed, or because the periodic
timer has fired. These values are never used directly, but only in
- the macrose defined in this file. */
-
+ the macros defined in this file. */
+
#define UIP_DATA 1 /* Tells uIP that there is incoming
data in the uip_buf buffer. The
length of the data is stored in the
#define UIP_TIME_WAIT 7
#define UIP_LAST_ACK 8
#define UIP_TS_MASK 15
-
+
#define UIP_STOPPED 16
/* The TCP and IP headers. */
ttl,
proto;
u16_t ipchksum;
- u16_t srcipaddr[2],
- destipaddr[2];
+ uip_ipaddr_t srcipaddr, destipaddr;
#endif /* UIP_CONF_IPV6 */
-
+
/* TCP header. */
u16_t srcport,
destport;
ttl,
proto;
u16_t ipchksum;
- u16_t srcipaddr[2],
- destipaddr[2];
+ uip_ipaddr_t srcipaddr, destipaddr;
#endif /* UIP_CONF_IPV6 */
-
- /* ICMP (echo) header. */
+
+ /* ICMP header. */
u8_t type, icode;
u16_t icmpchksum;
#if !UIP_CONF_IPV6
u16_t id, seqno;
-#else /* !UIP_CONF_IPV6 */
- u8_t flags, reserved1, reserved2, reserved3;
- u8_t icmp6data[16];
- u8_t options[1];
+ u8_t payload[1];
#endif /* !UIP_CONF_IPV6 */
};
ttl,
proto;
u16_t ipchksum;
- u16_t srcipaddr[2],
- destipaddr[2];
+ uip_ipaddr_t srcipaddr, destipaddr;
#endif /* UIP_CONF_IPV6 */
-
+
/* UDP header. */
u16_t srcport,
destport;
u16_t udpchksum;
};
+/*
+ * In IPv6 the length of the L3 headers before the transport header is
+ * not fixed, due to the possibility to include extension option headers
+ * after the IP header. hence we split here L3 and L4 headers
+ */
+/* The IP header */
+struct uip_ip_hdr {
+#if UIP_CONF_IPV6
+ /* IPV6 header */
+ u8_t vtc;
+ u8_t tcflow;
+ u16_t flow;
+ u8_t len[2];
+ u8_t proto, ttl;
+ uip_ip6addr_t srcipaddr, destipaddr;
+#else /* UIP_CONF_IPV6 */
+ /* IPV4 header */
+ u8_t vhl,
+ tos,
+ len[2],
+ ipid[2],
+ ipoffset[2],
+ ttl,
+ proto;
+ u16_t ipchksum;
+ uip_ipaddr_t srcipaddr, destipaddr;
+#endif /* UIP_CONF_IPV6 */
+};
+
+
+/*
+ * IPv6 extension option headers: we are able to process
+ * the 4 extension headers defined in RFC2460 (IPv6):
+ * - Hop by hop option header, destination option header:
+ * These two are not used by any core IPv6 protocol, hence
+ * we just read them and go to the next. They convey options,
+ * the options defined in RFC2460 are Pad1 and PadN, which do
+ * some padding, and that we do not need to read (the length
+ * field in the header is enough)
+ * - Routing header: this one is most notably used by MIPv6,
+ * which we do not implement, hence we just read it and go
+ * to the next
+ * - Fragmentation header: we read this header and are able to
+ * reassemble packets
+ *
+ * We do not offer any means to send packets with extension headers
+ *
+ * We do not implement Authentication and ESP headers, which are
+ * used in IPSec and defined in RFC4302,4303,4305,4385
+ */
+/* common header part */
+struct uip_ext_hdr {
+ u8_t next;
+ u8_t len;
+};
+
+/* Hop by Hop option header */
+struct uip_hbho_hdr {
+ u8_t next;
+ u8_t len;
+};
+
+/* destination option header */
+struct uip_desto_hdr {
+ u8_t next;
+ u8_t len;
+};
+
+/* We do not define structures for PAD1 and PADN options */
+
+/*
+ * routing header
+ * the routing header as 4 common bytes, then routing header type
+ * specific data there are several types of routing header. Type 0 was
+ * deprecated as per RFC5095 most notable other type is 2, used in
+ * RFC3775 (MIPv6) here we do not implement MIPv6, so we just need to
+ * parse the 4 first bytes
+ */
+struct uip_routing_hdr {
+ u8_t next;
+ u8_t len;
+ u8_t routing_type;
+ u8_t seg_left;
+};
+
+/* fragmentation header */
+struct uip_frag_hdr {
+ u8_t next;
+ u8_t res;
+ u16_t offsetresmore;
+ u32_t id;
+};
+
+/*
+ * an option within the destination or hop by hop option headers
+ * it contains type an length, which is true for all options but PAD1
+ */
+struct uip_ext_hdr_opt {
+ u8_t type;
+ u8_t len;
+};
+
+/* PADN option */
+struct uip_ext_hdr_opt_padn {
+ u8_t opt_type;
+ u8_t opt_len;
+};
+
+/* TCP header */
+struct uip_tcp_hdr {
+ u16_t srcport;
+ u16_t destport;
+ u8_t seqno[4];
+ u8_t ackno[4];
+ u8_t tcpoffset;
+ u8_t flags;
+ u8_t wnd[2];
+ u16_t tcpchksum;
+ u8_t urgp[2];
+ u8_t optdata[4];
+};
+
+/* The ICMP headers. */
+struct uip_icmp_hdr {
+ u8_t type, icode;
+ u16_t icmpchksum;
+#if !UIP_CONF_IPV6
+ u16_t id, seqno;
+#endif /* !UIP_CONF_IPV6 */
+};
+
+
+/* The UDP headers. */
+struct uip_udp_hdr {
+ u16_t srcport;
+ u16_t destport;
+ u16_t udplen;
+ u16_t udpchksum;
+};
/**
* \hideinitializer
*/
#define UIP_APPDATA_SIZE (UIP_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN)
-
+#define UIP_APPDATA_PTR (void *)&uip_buf[UIP_LLH_LEN + UIP_TCPIP_HLEN]
#define UIP_PROTO_ICMP 1
#define UIP_PROTO_TCP 6
#define UIP_PROTO_UDP 17
#define UIP_PROTO_ICMP6 58
+
+#if UIP_CONF_IPV6
+/** @{ */
+/** \brief extension headers types */
+#define UIP_PROTO_HBHO 0
+#define UIP_PROTO_DESTO 60
+#define UIP_PROTO_ROUTING 43
+#define UIP_PROTO_FRAG 44
+#define UIP_PROTO_NONE 59
+/** @} */
+
+/** @{ */
+/** \brief Destination and Hop By Hop extension headers option types */
+#define UIP_EXT_HDR_OPT_PAD1 0
+#define UIP_EXT_HDR_OPT_PADN 1
+/** @} */
+
+/** @{ */
+/**
+ * \brief Bitmaps for extension header processing
+ *
+ * When processing extension headers, we should record somehow which one we
+ * see, because you cannot have twice the same header, except for destination
+ * We store all this in one u8_t bitmap one bit for each header expected. The
+ * order in the bitmap is the order recommended in RFC2460
+ */
+#define UIP_EXT_HDR_BITMAP_HBHO 0x01
+#define UIP_EXT_HDR_BITMAP_DESTO1 0x02
+#define UIP_EXT_HDR_BITMAP_ROUTING 0x04
+#define UIP_EXT_HDR_BITMAP_FRAG 0x08
+#define UIP_EXT_HDR_BITMAP_AH 0x10
+#define UIP_EXT_HDR_BITMAP_ESP 0x20
+#define UIP_EXT_HDR_BITMAP_DESTO2 0x40
+/** @} */
+
+
+#endif /* UIP_CONF_IPV6 */
+
+
/* Header sizes. */
#if UIP_CONF_IPV6
#define UIP_IPH_LEN 40
+#define UIP_FRAGH_LEN 8
#else /* UIP_CONF_IPV6 */
#define UIP_IPH_LEN 20 /* Size of IP header */
#endif /* UIP_CONF_IPV6 */
+
#define UIP_UDPH_LEN 8 /* Size of UDP header */
#define UIP_TCPH_LEN 20 /* Size of TCP header */
+#ifdef UIP_IPH_LEN
+#define UIP_ICMPH_LEN 4 /* Size of ICMP header */
+#endif
#define UIP_IPUDPH_LEN (UIP_UDPH_LEN + UIP_IPH_LEN) /* Size of IP +
- UDP
- header */
+ * UDP
+ * header */
#define UIP_IPTCPH_LEN (UIP_TCPH_LEN + UIP_IPH_LEN) /* Size of IP +
- TCP
- header */
+ * TCP
+ * header */
#define UIP_TCPIP_HLEN UIP_IPTCPH_LEN
+#define UIP_IPICMPH_LEN (UIP_IPH_LEN + UIP_ICMPH_LEN) /* size of ICMP
+ + IP header */
+#define UIP_LLIPH_LEN (UIP_LLH_LEN + UIP_IPH_LEN) /* size of L2
+ + IP header */
+#if UIP_CONF_IPV6
+/**
+ * The sums below are quite used in ND. When used for uip_buf, we
+ * include link layer length when used for uip_len, we do not, hence
+ * we need values with and without LLH_LEN we do not use capital
+ * letters as these values are variable
+ */
+#define uip_l2_l3_hdr_len (UIP_LLH_LEN + UIP_IPH_LEN + uip_ext_len)
+#define uip_l2_l3_icmp_hdr_len (UIP_LLH_LEN + UIP_IPH_LEN + uip_ext_len + UIP_ICMPH_LEN)
+#define uip_l3_hdr_len (UIP_IPH_LEN + uip_ext_len)
+#define uip_l3_icmp_hdr_len (UIP_IPH_LEN + uip_ext_len + UIP_ICMPH_LEN)
+#endif /*UIP_CONF_IPV6*/
#if UIP_FIXEDADDR
#else /* UIP_FIXEDADDR */
extern uip_ipaddr_t uip_hostaddr, uip_netmask, uip_draddr;
#endif /* UIP_FIXEDADDR */
+extern const uip_ipaddr_t uip_broadcast_addr;
+extern const uip_ipaddr_t uip_all_zeroes_addr;
+
+#if UIP_FIXEDETHADDR
+extern const uip_lladdr_t uip_lladdr;
+#else
+extern uip_lladdr_t uip_lladdr;
+#endif
+
+
+
+
+#ifdef UIP_CONF_IPV6
+/**
+ * \brief Is IPv6 address a the unspecified address
+ * a is of type uip_ipaddr_t
+ */
+#define uip_is_addr_unspecified(a) \
+ ((((a)->u16[0]) == 0) && \
+ (((a)->u16[1]) == 0) && \
+ (((a)->u16[2]) == 0) && \
+ (((a)->u16[3]) == 0) && \
+ (((a)->u16[4]) == 0) && \
+ (((a)->u16[5]) == 0) && \
+ (((a)->u16[6]) == 0) && \
+ (((a)->u16[7]) == 0))
+
+/** \brief Is IPv6 address a the link local all-nodes multicast address */
+#define uip_is_addr_linklocal_allnodes_mcast(a) \
+ ((((a)->u8[0]) == 0xff) && \
+ (((a)->u8[1]) == 0x02) && \
+ (((a)->u16[1]) == 0) && \
+ (((a)->u16[2]) == 0) && \
+ (((a)->u16[3]) == 0) && \
+ (((a)->u16[4]) == 0) && \
+ (((a)->u16[5]) == 0) && \
+ (((a)->u16[6]) == 0) && \
+ (((a)->u8[14]) == 0) && \
+ (((a)->u8[15]) == 0x01))
+
+/** \brief set IP address a to unspecified */
+#define uip_create_unspecified(a) uip_ip6addr(a, 0, 0, 0, 0, 0, 0, 0, 0)
+
+/** \brief set IP address a to the link local all-nodes multicast address */
+#define uip_create_linklocal_allnodes_mcast(a) uip_ip6addr(a, 0xff02, 0, 0, 0, 0, 0, 0, 0x0001)
+
+/** \brief set IP address a to the link local all-routers multicast address */
+#define uip_create_linklocal_allrouters_mcast(a) uip_ip6addr(a, 0xff02, 0, 0, 0, 0, 0, 0, 0x0002)
+
+/**
+ * \brief is addr (a) a solicited node multicast address, see RFC3513
+ * a is of type uip_ipaddr_t*
+ */
+#define uip_is_addr_solicited_node(a) \
+ ((((a)->u8[0]) == 0xFF) && \
+ (((a)->u8[1]) == 0x02) && \
+ (((a)->u16[1]) == 0) && \
+ (((a)->u16[2]) == 0) && \
+ (((a)->u16[3]) == 0) && \
+ (((a)->u16[4]) == 0) && \
+ (((a)->u16[5]) == 1) && \
+ (((a)->u8[12]) == 0xFF))
+
+/**
+ * \briefput in b the solicited node address corresponding to address a
+ * both a and b are of type uip_ipaddr_t*
+ * */
+#define uip_create_solicited_node(a, b) \
+ (((b)->u8[0]) = 0xFF); \
+ (((b)->u8[1]) = 0x02); \
+ (((b)->u16[1]) = 0); \
+ (((b)->u16[2]) = 0); \
+ (((b)->u16[3]) = 0); \
+ (((b)->u16[4]) = 0); \
+ (((b)->u8[10]) = 0); \
+ (((b)->u8[11]) = 0x01); \
+ (((b)->u8[12]) = 0xFF); \
+ (((b)->u8[13]) = ((a)->u8[13])); \
+ (((b)->u16[7]) = ((a)->u16[7]))
+
+/**
+ * \brief is addr (a) a link local unicast address, see RFC3513
+ * i.e. is (a) on prefix FE80::/10
+ * a is of type uip_ipaddr_t*
+ */
+#define uip_is_addr_link_local(a) \
+ ((((a)->u8[0]) == 0xFE) && \
+ (((a)->u8[1]) == 0x80))
+
+/**
+ * \brief was addr (a) forged based on the mac address m
+ * a type is uip_ipaddr_t
+ * m type is uiplladdr_t
+ */
+#if UIP_CONF_LL_802154
+#define uip_is_addr_mac_addr_based(a, m) \
+ ((((a)->u8[8]) == (((m)->addr[0]) ^ 0x02)) && \
+ (((a)->u8[9]) == (m)->addr[1]) && \
+ (((a)->u8[10]) == (m)->addr[2]) && \
+ (((a)->u8[11]) == (m)->addr[3]) && \
+ (((a)->u8[12]) == (m)->addr[4]) && \
+ (((a)->u8[13]) == (m)->addr[5]) && \
+ (((a)->u8[14]) == (m)->addr[6]) && \
+ (((a)->u8[15]) == (m)->addr[7]))
+#else
+#define uip_is_addr_mac_addr_based(a, m) \
+ ((((a)->u8[8]) == (((m)->addr[0]) | 0x02)) && \
+ (((a)->u8[9]) == (m)->addr[1]) && \
+ (((a)->u8[10]) == (m)->addr[2]) && \
+ (((a)->u8[11]) == 0xff) && \
+ (((a)->u8[12]) == 0xfe) && \
+ (((a)->u8[13]) == (m)->addr[3]) && \
+ (((a)->u8[14]) == (m)->addr[4]) && \
+ (((a)->u8[15]) == (m)->addr[5]))
+#endif /*UIP_CONF_LL_802154*/
/**
- * Representation of a 48-bit Ethernet address.
+ * \brief is address a multicast address, see RFC 3513
+ * a is of type uip_ipaddr_t*
+ * */
+#define uip_is_addr_mcast(a) \
+ (((a)->u8[0]) == 0xFF)
+
+/**
+ * \brief is group-id of multicast address a
+ * the all nodes group-id
*/
-struct uip_eth_addr {
- u8_t addr[6];
-};
+#define uip_is_mcast_group_id_all_nodes(a) \
+ ((((a)->u16[1]) == 0) && \
+ (((a)->u16[2]) == 0) && \
+ (((a)->u16[3]) == 0) && \
+ (((a)->u16[4]) == 0) && \
+ (((a)->u16[5]) == 0) && \
+ (((a)->u16[6]) == 0) && \
+ (((a)->u8[14]) == 0) && \
+ (((a)->u8[15]) == 1))
+
+/**
+ * \brief is group-id of multicast address a
+ * the all routers group-id
+ */
+#define uip_is_mcast_group_id_all_routers(a) \
+ ((((a)->u16[1]) == 0) && \
+ (((a)->u16[2]) == 0) && \
+ (((a)->u16[3]) == 0) && \
+ (((a)->u16[4]) == 0) && \
+ (((a)->u16[5]) == 0) && \
+ (((a)->u16[6]) == 0) && \
+ (((a)->u8[14]) == 0) && \
+ (((a)->u8[15]) == 2))
+
+
+#endif /*UIP_CONF_IPV6*/
/**
* Calculate the Internet checksum over a buffer.
*/
u16_t uip_udpchksum(void);
+/**
+ * Calculate the ICMP checksum of the packet in uip_buf.
+ *
+ * \return The ICMP checksum of the ICMP packet in uip_buf
+ */
+u16_t uip_icmp6chksum(void);
+
#endif /* __UIP_H__ */
/** @} */
+
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