fixme.c 文件参考

浏览源代码.

函数
err_t	netif_dhcp_off (struct netif *netif)
err_t	dhcp_is_bound (struct netif *netif)
static err_t	netifapi_do_dhcps_start (struct tcpip_api_call_data *m)
err_t	netifapi_dhcps_start (struct netif *netif, char *start_ip, u16_t ip_num)
err_t	netifapi_dhcps_stop (struct netif *netif)
static void	tcp_unlock_accept (ip6_addr_t *ipaddr)
static void	netif_ip6_addr_setinvalid (struct netif *netif, const ip6_addr_t *addr6)
err_t	netif_do_rmv_ipv6_addr (struct netif *netif, void *arguments)
static err_t	netif_do_rmv_ip6_address (struct tcpip_api_call_data *m)
void	netifapi_netif_rmv_ip6_address (struct netif *netif, ip_addr_t *ipaddr)
static struct netif *	netif_find_by_name (const char *name)
static err_t	netifapi_do_find_by_name (struct tcpip_api_call_data *m)
struct netif *	netifapi_netif_find_by_name (const char *name)
err_t	netif_set_mtu (struct netif *netif, u16_t netif_mtu)
err_t	netif_set_hwaddr (struct netif *netif, const unsigned char *hw_addr, int hw_len)
err_t	etharp_update_arp_entry (struct netif *netif, const ip4_addr_t *ipaddr, struct eth_addr *ethaddr, u8_t flags)
err_t	etharp_delete_arp_entry (struct netif *netif, ip4_addr_t *ipaddr)
err_t	lwip_dns_setserver (u8_t numdns, ip_addr_t *dnsserver)
err_t	lwip_dns_getserver (u8_t numdns, ip_addr_t *dnsserver)
int	lwip_sntp_start (int server_num, char **sntp_server, struct timeval *time)
int	ip6addr_aton (const char *cp, ip6_addr_t *addr)

变量
struct raw_pcb *	pkt_raw_pcbs
struct raw_pcb *	raw_pcbs
u32_t	is_ip_conflict_signal = 0
sys_sem_t	ip_conflict_detect
u32_t	is_dup_detect_initialized = 0
sys_sem_t	dup_addr_detect
const char *const	tcp_state_str []
volatile int	tcpip_init_finish = 1

函数说明

dhcp_is_bound()

err_t dhcp_is_bound

(

struct netif *

netif

)

在文件 fixme.c 第 82 行定义.

{
    struct dhcp *dhcp = NULL;
 
    LWIP_ERROR("netif != NULL", (netif != NULL), return ERR_ARG);
 
    dhcp = netif_dhcp_data(netif);
    LWIP_ERROR("netif->dhcp != NULL", (dhcp != NULL), return ERR_ARG);
 
    if (dhcp->state == DHCP_STATE_BOUND) {
        return ERR_OK;
    } else {
        return ERR_INPROGRESS;
    }
}

etharp_delete_arp_entry()

err_t etharp_delete_arp_entry	(	struct netif *	netif,
		ip4_addr_t *	ipaddr
	)

在文件 fixme.c 第 337 行定义.

{
    (void)netif;
    (void)ipaddr;
    return 0;
}

这是这个函数的调用关系图:

etharp_update_arp_entry()

err_t etharp_update_arp_entry	(	struct netif *	netif,
		const ip4_addr_t *	ipaddr,
		struct eth_addr *	ethaddr,
		u8_t	flags
	)

在文件 fixme.c 第 328 行定义.

{
    (void)netif;
    (void)ipaddr;
    (void)ethaddr;
    (void)flags;
    return 0;
}

这是这个函数的调用关系图:

ip6addr_aton()

int ip6addr_aton	(	const char *	cp,
		ip6_addr_t *	addr
	)

在文件 fixme.c 第 405 行定义.

{
    const int ipv6_blocks = 8;
    u16_t current_block_index = 0;
    u16_t current_block_value = 0;
    u16_t addr16[ipv6_blocks];
    u16_t *a16 = (u16_t *)addr->addr;
    int squash_pos = ipv6_blocks;
    int i;
    const char *s = cp;
    const char *ss = cp-1;
 
    for (; ; s++) {
        if (current_block_index >= ipv6_blocks) {
            return 0; // address too long
        }
        if (*s == 0) {
            if (s - ss == 1) {
                if (squash_pos != current_block_index) {
                    return 0; // empty address or address ends with a single ':'
                } // else address ends with one valid "::"
            } else {
                addr16[current_block_index++] = current_block_value;
            }
            break;
        } else if (*s == ':') {
            if (s - ss == 1) {
                if (s != cp || s[1] != ':') {
                    return 0; // address begins with a single ':' or contains ":::"
                } // else address begins with one valid "::"
            } else {
                addr16[current_block_index++] = current_block_value;
            }
            if (s[1] == ':') {
                if (squash_pos != ipv6_blocks) {
                    return 0; // more than one "::"
                }
                squash_pos = current_block_index;
                s++;
            }
            ss = s; // ss points to the recent ':' position
            current_block_value = 0;
        } else if (lwip_isxdigit(*s) && (s - ss) < 5) { // 4 hex-digits at most
            current_block_value = (current_block_value << 4) +
                ((u8_t)(*s) | ('a' - 'A')) - '0' - ('a' - '9' - 1) * (*s >= 'A');
#if LWIP_IPV4
        } else if (*s == '.' && current_block_index < ipv6_blocks - 1) {
            ip4_addr_t ip4;
            int ret = ip4addr_aton(ss+1, &ip4);
            if (!ret) {
                return 0;
            }
            ip4.addr = lwip_ntohl(ip4.addr);
            addr16[current_block_index++] = (u16_t)(ip4.addr >> 16);
            addr16[current_block_index++] = (u16_t)(ip4.addr);
            break;
#endif /* LWIP_IPV4 */
        } else {
            return 0; // unexpected char or too many digits
        }
    }
 
    if (squash_pos == ipv6_blocks && current_block_index != ipv6_blocks) {
        return 0; // address too short
    }
    if (squash_pos != ipv6_blocks && current_block_index == ipv6_blocks) {
        return 0; // unexpected "::" in address
    }
 
    for (i = 0; i < squash_pos; ++i) {
        a16[i] = lwip_htons(addr16[i]);
    }
    for (; i < ipv6_blocks - current_block_index + squash_pos; ++i) {
        a16[i] = 0;
    }
    for (; i < ipv6_blocks; ++i) {
        a16[i] = lwip_htons(addr16[i - ipv6_blocks + current_block_index]);
    }
 
    return 1;
}

这是这个函数的调用关系图:

lwip_dns_getserver()

err_t lwip_dns_getserver	(	u8_t	numdns,
		ip_addr_t *	dnsserver
	)

在文件 fixme.c 第 352 行定义.

{
    (void)numdns;
    (void)dnsserver;
    return 0;
}

这是这个函数的调用关系图:

lwip_dns_setserver()

err_t lwip_dns_setserver	(	u8_t	numdns,
		ip_addr_t *	dnsserver
	)

在文件 fixme.c 第 345 行定义.

{
    (void)numdns;
    (void)dnsserver;
    return 0;
}

这是这个函数的调用关系图:

lwip_sntp_start()

int lwip_sntp_start	(	int	server_num,
		char **	sntp_server,
		struct timeval *	time
	)

在文件 fixme.c 第 379 行定义.

{
    (void)server_num;
    (void)sntp_server;
    (void)time;
    return 0;
}

函数调用图:

这是这个函数的调用关系图:

netif_dhcp_off()

err_t netif_dhcp_off

(

struct netif *

netif

)

在文件 fixme.c 第 54 行定义.

{
    ip_addr_t old_ipaddr;
    ip_addr_t old_netmask;
    ip_addr_t old_gateway;
 
    if (netif == NULL) {
        return ERR_VAL;
    }
    old_ipaddr = netif->ip_addr;
    old_netmask = netif->netmask;
    old_gateway = netif->gw;
 
    if (netif_dhcp_data(netif)) {
        (void)dhcp_release(netif);
        (void)dhcp_stop(netif);
        (void)dhcp_cleanup(netif);
        LWIP_DEBUGF(NETIF_DEBUG, ("DHCP is close;set static IP\n"));
    }
 
    ip_addr_set_val(&netif->ip_addr, &old_ipaddr);
    ip_addr_set_val(&netif->netmask, &old_netmask);
    ip_addr_set_val(&netif->gw, &old_gateway);
    (void)netif_set_up(netif);
 
    return ERR_OK;
}

这是这个函数的调用关系图:

netif_do_rmv_ip6_address()

static err_t netif_do_rmv_ip6_address ( struct tcpip_api_call_data *  m )

static

在文件 fixme.c 第 178 行定义.

{
    /* cast through void* to silence alignment warnings.
     * We know it works because the structs have been instantiated as struct netifapi_msg */
    struct netifapi_msg *msg = (struct netifapi_msg *)(void *)m;
 
    return netif_do_rmv_ipv6_addr(msg->netif, (void *)msg->msg.add.ipaddr);
}

函数调用图:

这是这个函数的调用关系图:

netif_do_rmv_ipv6_addr()

err_t netif_do_rmv_ipv6_addr	(	struct netif *	netif,
		void *	arguments
	)

在文件 fixme.c 第 165 行定义.

{
    ip_addr_t *ipaddr = (ip_addr_t *)arguments;
 
    if (IP_IS_V6(ipaddr)) {
#if LWIP_TCP
        tcp_unlock_accept(ip_2_ip6(ipaddr));
#endif
        netif_ip6_addr_setinvalid(netif, ip_2_ip6(ipaddr));
    }
    return ERR_OK;
}

函数调用图:

这是这个函数的调用关系图:

netif_find_by_name()

static struct netif * netif_find_by_name ( const char *  name )

static

在文件 fixme.c 第 205 行定义.

{
    struct netif *netif = NULL;
 
    LWIP_ASSERT_CORE_LOCKED();
 
    if (name == NULL) {
        return NULL;
    }
 
    NETIF_FOREACH(netif) {
        if (strcmp("lo", name) == 0 && (netif->name[0] == 'l' && netif->name[1] == 'o')) {
            LWIP_DEBUGF(NETIF_DEBUG, ("netif_find_by_name: found lo\n"));
            return netif;
        }
 
        if (strcmp(netif->full_name, name) == 0) {
            LWIP_DEBUGF(NETIF_DEBUG, ("netif_find_by_name: found %s\n", name));
            return netif;
        }
    }
 
    LWIP_DEBUGF(NETIF_DEBUG, ("netif_find_by_name: didn't find %s\n", name));
    return NULL;
}

这是这个函数的调用关系图:

netif_ip6_addr_setinvalid()

static void netif_ip6_addr_setinvalid ( struct netif *  netif, const ip6_addr_t *  addr6  )

static

在文件 fixme.c 第 150 行定义.

{
    s8_t idx;
    LWIP_ERROR("netif_ip6_addr_set : invalid arguments", (netif != NULL), return);
    LWIP_ERROR("netif_ip6_addr_set : invalid arguments", (addr6 != NULL), return);
 
    idx = netif_get_ip6_addr_match(netif, addr6);
    if (idx < 0) {
        return;
    }
 
    netif_ip6_addr_set_state(netif, idx, IP6_ADDR_INVALID);
    return;
}

这是这个函数的调用关系图:

netif_set_hwaddr()

err_t netif_set_hwaddr	(	struct netif *	netif,
		const unsigned char *	hw_addr,
		int	hw_len
	)

在文件 fixme.c 第 297 行定义.

{
    LWIP_ERROR("netif_set_hwaddr : invalid arguments", (netif != NULL), return ERR_VAL);
 
    LWIP_ERROR("netif_set_hwaddr : invalid arguments", (hw_addr != NULL), return ERR_VAL);
 
    LWIP_ERROR("netif_set_hwaddr: invalid arguments",
               ((unsigned int)hw_len == NETIF_MAX_HWADDR_LEN), return ERR_VAL);
 
    if (netif->drv_set_hwaddr == NULL) {
        return ERR_IF; // ERR_OPNOTSUPP;
    }
 
    if (netif->drv_set_hwaddr(netif, (u8_t *)hw_addr, hw_len) != ERR_OK) {
        return ERR_VAL;
    }
 
    if (memcpy_s(netif->hwaddr, NETIF_MAX_HWADDR_LEN, hw_addr, hw_len) != EOK) {
        LWIP_DEBUGF(NETIF_DEBUG, ("netif_set_hwaddr: memcpy_s error\n"));
        return ERR_VAL;
    }
 
    LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE,
                ("netif: HW address of interface %s set to %02X:%02X:%02X:%02X:%02X:%02X\n",
                 netif_get_name(netif),
                 netif->hwaddr[0], netif->hwaddr[1], netif->hwaddr[2],
                 netif->hwaddr[3], netif->hwaddr[4], netif->hwaddr[5]));
 
    return ERR_OK;
}

这是这个函数的调用关系图:

netif_set_mtu()

err_t netif_set_mtu	(	struct netif *	netif,
		u16_t	netif_mtu
	)

在文件 fixme.c 第 270 行定义.

{
    /*
     * As per RFC 791, "Every internet module must be able to forward a datagram of 68
     * octets without further fragmentation.  This is because an internet header
     * may be up to 60 octets, and the minimum fragment is 8 octets."
     */
    LWIP_ERROR("netif_set_mtu: invalid arguments", (netif != NULL), return ERR_VAL);
 
#if LWIP_IPV6
    LWIP_ERROR("netif_set_mtu: invalid arguments", (netif_mtu >= NETIF_MTU_MIN) && (netif_mtu <= IP_FRAG_MAX_MTU),
               return ERR_ARG);
#else
    LWIP_ERROR("netif_set_mtu: invalid arguments", (netif_mtu >= IP_FRAG_MIN_MTU) && (netif_mtu <= IP_FRAG_MAX_MTU),
             return ERR_ARG);
#endif
 
    netif->mtu = netif_mtu;
#if LWIP_IPV6 && LWIP_ND6_ALLOW_RA_UPDATES
    netif->mtu6 = netif_mtu;
#endif /* LWIP_IPV6 && LWIP_ND6_ALLOW_RA_UPDATES */
 
    LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_STATE, ("netif: MTU of interface %s is changed to %d\n",
                netif_get_name(netif), netif->mtu));
    return ERR_OK;
}

这是这个函数的调用关系图:

netifapi_dhcps_start()

err_t netifapi_dhcps_start	(	struct netif *	netif,
		char *	start_ip,
		u16_t	ip_num
	)

在文件 fixme.c 第 114 行定义.

{
    err_t err;
    NETIFAPI_VAR_DECLARE(msg);
 
    LWIP_ERROR("netifapi_dhcps_start : invalid arguments", (netif != NULL), return ERR_VAL);
    NETIFAPI_VAR_ALLOC(msg);
 
    NETIFAPI_VAR_REF(msg).netif = netif;
    NETIFAPI_VAR_REF(msg).msg.dhcp_start_params.start_ip = start_ip;
    NETIFAPI_VAR_REF(msg).msg.dhcp_start_params.ip_num = ip_num;
 
    err = tcpip_api_call(netifapi_do_dhcps_start, &API_VAR_REF(msg).call);
 
    NETIFAPI_VAR_FREE(msg);
    return err;
}

函数调用图:

netifapi_dhcps_stop()

err_t netifapi_dhcps_stop

(

struct netif *

netif

)

在文件 fixme.c 第 132 行定义.

{
    LWIP_ERROR("netifapi_dhcps_stop : invalid arguments", (netif != NULL), return ERR_VAL);
 
    return netifapi_netif_common(netif, dhcps_stop, NULL);
}

函数调用图:

netifapi_do_dhcps_start()

static err_t netifapi_do_dhcps_start ( struct tcpip_api_call_data *  m )

static

在文件 fixme.c 第 104 行定义.

{
    /* cast through void* to silence alignment warnings.
     * We know it works because the structs have been instantiated as struct netifapi_msg */
    err_t ret;
    struct netifapi_msg *msg = (struct netifapi_msg *)(void *)m;
    ret = dhcps_start(msg->netif, msg->msg.dhcp_start_params.start_ip, msg->msg.dhcp_start_params.ip_num);
    return ret;
}

函数调用图:

这是这个函数的调用关系图:

netifapi_do_find_by_name()

static err_t netifapi_do_find_by_name ( struct tcpip_api_call_data *  m )

static

在文件 fixme.c 第 231 行定义.

{
    /* cast through void* to silence alignment warnings.
     * We know it works because the structs have been instantiated as struct netifapi_msg */
    struct netifapi_msg *msg = (struct netifapi_msg *)(void *)m;
 
    msg->netif = netif_find_by_name(msg->msg.ifs.name);
    return ERR_OK;
}

函数调用图:

这是这个函数的调用关系图:

netifapi_netif_find_by_name()

struct netif * netifapi_netif_find_by_name

(

const char *

name

)

在文件 fixme.c 第 241 行定义.

{
    struct netif *netif = NULL;
    NETIFAPI_VAR_DECLARE(msg);
    NETIFAPI_VAR_ALLOC(msg);
 
    NETIFAPI_VAR_REF(msg).netif = NULL;
#if LWIP_MPU_COMPATIBLE
    if (strncpy_s(NETIFAPI_VAR_REF(msg).msg.ifs.name, NETIF_NAMESIZE, name, NETIF_NAMESIZE - 1)) {
        NETIFAPI_VAR_FREE(msg);
        return netif;
    }
    NETIFAPI_VAR_REF(msg).msg.ifs.name[NETIF_NAMESIZE - 1] = '\0';
#else
    NETIFAPI_VAR_REF(msg).msg.ifs.name = (char *)name;
#endif /* LWIP_MPU_COMPATIBLE */
 
    (void)tcpip_api_call(netifapi_do_find_by_name, &API_VAR_REF(msg).call);
 
    netif = msg.netif;
    NETIFAPI_VAR_FREE(msg);
    return netif;
}

函数调用图:

这是这个函数的调用关系图:

netifapi_netif_rmv_ip6_address()

void netifapi_netif_rmv_ip6_address	(	struct netif *	netif,
		ip_addr_t *	ipaddr
	)

在文件 fixme.c 第 187 行定义.

{
    err_t err;
    if (netif == NULL) {
        return;
    }
    NETIFAPI_VAR_DECLARE(msg);
    NETIFAPI_VAR_ALLOC(msg);
 
    NETIFAPI_VAR_REF(msg).netif = netif;
    NETIFAPI_VAR_REF(msg).msg.add.ipaddr = (void *)ipaddr;
 
    err = tcpip_api_call(netif_do_rmv_ip6_address, &API_VAR_REF(msg).call);
 
    NETIFAPI_VAR_FREE(msg);
    (void)err;
}

函数调用图:

tcp_unlock_accept()

static void tcp_unlock_accept ( ip6_addr_t *  ipaddr )

static

在文件 fixme.c 第 145 行定义.

{
    (void)ipaddr;
}

这是这个函数的调用关系图:

变量说明

dup_addr_detect

sys_sem_t dup_addr_detect

在文件 fixme.c 第 373 行定义.

ip_conflict_detect

sys_sem_t ip_conflict_detect

在文件 fixme.c 第 369 行定义.

is_dup_detect_initialized

u32_t is_dup_detect_initialized = 0

在文件 fixme.c 第 372 行定义.

is_ip_conflict_signal

u32_t is_ip_conflict_signal = 0

在文件 fixme.c 第 368 行定义.

pkt_raw_pcbs

struct raw_pcb* pkt_raw_pcbs

在文件 fixme.c 第 360 行定义.

raw_pcbs

struct raw_pcb* raw_pcbs

在文件 fixme.c 第 364 行定义.

tcp_state_str

const char* const tcp_state_str[]

初始值:

= {
    "CLOSED",
    "LISTEN",
    "SYN_SENT",
    "SYN_RCVD",
    "ESTABLISHED",
    "FIN_WAIT_1",
    "FIN_WAIT_2",
    "CLOSE_WAIT",
    "CLOSING",
    "LAST_ACK",
    "TIME_WAIT"
}

在文件 fixme.c 第 389 行定义.

tcpip_init_finish

volatile int tcpip_init_finish = 1

在文件 fixme.c 第 403 行定义.