mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-10-05 22:29:49 +00:00
netif.c: Fix that when using LWIP_NETIF_EXT_STATUS_CALLBACK multiple callbacks instead of only one are fired when netif_set_addr() is used
This commit is contained in:
Dirk Ziegelmeier
parent
913a7e0638
commit
01e227d2c0
313
src/core/netif.c
313
src/core/netif.c
@ -421,6 +421,163 @@ netif_add(struct netif *netif,
|
|||||||
}
|
}
|
||||||
|
|
||||||
#if LWIP_IPV4
|
#if LWIP_IPV4
|
||||||
|
static void
|
||||||
|
netif_do_set_ipaddr(struct netif *netif, const ip4_addr_t *ipaddr, u8_t callback)
|
||||||
|
{
|
||||||
|
ip_addr_t new_addr;
|
||||||
|
|
||||||
|
LWIP_ASSERT_CORE_LOCKED();
|
||||||
|
|
||||||
|
*ip_2_ip4(&new_addr) = (ipaddr ? *ipaddr : *IP4_ADDR_ANY4);
|
||||||
|
IP_SET_TYPE_VAL(new_addr, IPADDR_TYPE_V4);
|
||||||
|
|
||||||
|
/* address is actually being changed? */
|
||||||
|
if (ip4_addr_cmp(ip_2_ip4(&new_addr), netif_ip4_addr(netif)) == 0) {
|
||||||
|
ip_addr_t old_addr;
|
||||||
|
ip_addr_copy(old_addr, *netif_ip_addr4(netif));
|
||||||
|
|
||||||
|
LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_STATE, ("netif_set_ipaddr: netif address being changed\n"));
|
||||||
|
#if LWIP_TCP
|
||||||
|
tcp_netif_ip_addr_changed(&old_addr, &new_addr);
|
||||||
|
#endif /* LWIP_TCP */
|
||||||
|
#if LWIP_UDP
|
||||||
|
udp_netif_ip_addr_changed(&old_addr, &new_addr);
|
||||||
|
#endif /* LWIP_UDP */
|
||||||
|
#if LWIP_RAW
|
||||||
|
raw_netif_ip_addr_changed(&old_addr, &new_addr);
|
||||||
|
#endif /* LWIP_RAW */
|
||||||
|
|
||||||
|
mib2_remove_ip4(netif);
|
||||||
|
mib2_remove_route_ip4(0, netif);
|
||||||
|
/* set new IP address to netif */
|
||||||
|
ip4_addr_set(ip_2_ip4(&netif->ip_addr), ipaddr);
|
||||||
|
IP_SET_TYPE_VAL(netif->ip_addr, IPADDR_TYPE_V4);
|
||||||
|
mib2_add_ip4(netif);
|
||||||
|
mib2_add_route_ip4(0, netif);
|
||||||
|
|
||||||
|
netif_issue_reports(netif, NETIF_REPORT_TYPE_IPV4);
|
||||||
|
|
||||||
|
NETIF_STATUS_CALLBACK(netif);
|
||||||
|
if (callback) {
|
||||||
|
#if LWIP_NETIF_EXT_STATUS_CALLBACK
|
||||||
|
netif_ext_callback_args_t args;
|
||||||
|
args.ipv4_changed.old_address = &old_addr;
|
||||||
|
netif_invoke_ext_callback(netif, LWIP_NSC_IPV4_ADDRESS_CHANGED, &args);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @ingroup netif_ip4
|
||||||
|
* Change the IP address of a network interface
|
||||||
|
*
|
||||||
|
* @param netif the network interface to change
|
||||||
|
* @param ipaddr the new IP address
|
||||||
|
*
|
||||||
|
* @note call netif_set_addr() if you also want to change netmask and
|
||||||
|
* default gateway
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
netif_set_ipaddr(struct netif *netif, const ip4_addr_t *ipaddr)
|
||||||
|
{
|
||||||
|
netif_do_set_ipaddr(netif, ipaddr, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
netif_do_set_netmask(struct netif *netif, const ip4_addr_t *netmask, u8_t callback)
|
||||||
|
{
|
||||||
|
const ip4_addr_t *safe_netmask = netmask ? netmask : IP4_ADDR_ANY4;
|
||||||
|
#if LWIP_NETIF_EXT_STATUS_CALLBACK
|
||||||
|
netif_ext_callback_args_t args;
|
||||||
|
ip_addr_t old_addr;
|
||||||
|
ip_addr_copy(old_addr, *netif_ip_netmask4(netif));
|
||||||
|
args.ipv4_nm_changed.old_address = &old_addr;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
LWIP_ASSERT_CORE_LOCKED();
|
||||||
|
|
||||||
|
/* address is actually being changed? */
|
||||||
|
if (ip4_addr_cmp(safe_netmask, netif_ip4_netmask(netif)) == 0) {
|
||||||
|
mib2_remove_route_ip4(0, netif);
|
||||||
|
/* set new netmask to netif */
|
||||||
|
ip4_addr_set(ip_2_ip4(&netif->netmask), netmask);
|
||||||
|
IP_SET_TYPE_VAL(netif->netmask, IPADDR_TYPE_V4);
|
||||||
|
mib2_add_route_ip4(0, netif);
|
||||||
|
LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: netmask of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
|
||||||
|
netif->name[0], netif->name[1],
|
||||||
|
ip4_addr1_16(netif_ip4_netmask(netif)),
|
||||||
|
ip4_addr2_16(netif_ip4_netmask(netif)),
|
||||||
|
ip4_addr3_16(netif_ip4_netmask(netif)),
|
||||||
|
ip4_addr4_16(netif_ip4_netmask(netif))));
|
||||||
|
|
||||||
|
if (callback) {
|
||||||
|
netif_invoke_ext_callback(netif, LWIP_NSC_IPV4_NETMASK_CHANGED, &args);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @ingroup netif_ip4
|
||||||
|
* Change the netmask of a network interface
|
||||||
|
*
|
||||||
|
* @param netif the network interface to change
|
||||||
|
* @param netmask the new netmask
|
||||||
|
*
|
||||||
|
* @note call netif_set_addr() if you also want to change ip address and
|
||||||
|
* default gateway
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
netif_set_netmask(struct netif *netif, const ip4_addr_t *netmask)
|
||||||
|
{
|
||||||
|
netif_do_set_netmask(netif, netmask, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
netif_do_set_gw(struct netif *netif, const ip4_addr_t *gw, u8_t callback)
|
||||||
|
{
|
||||||
|
const ip4_addr_t *safe_gw = gw ? gw : IP4_ADDR_ANY4;
|
||||||
|
#if LWIP_NETIF_EXT_STATUS_CALLBACK
|
||||||
|
netif_ext_callback_args_t args;
|
||||||
|
ip_addr_t old_addr;
|
||||||
|
ip_addr_copy(old_addr, *netif_ip_gw4(netif));
|
||||||
|
args.ipv4_gw_changed.old_address = &old_addr;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
LWIP_ASSERT_CORE_LOCKED();
|
||||||
|
|
||||||
|
/* address is actually being changed? */
|
||||||
|
if (ip4_addr_cmp(safe_gw, netif_ip4_gw(netif)) == 0) {
|
||||||
|
ip4_addr_set(ip_2_ip4(&netif->gw), gw);
|
||||||
|
IP_SET_TYPE_VAL(netif->gw, IPADDR_TYPE_V4);
|
||||||
|
LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: GW address of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
|
||||||
|
netif->name[0], netif->name[1],
|
||||||
|
ip4_addr1_16(netif_ip4_gw(netif)),
|
||||||
|
ip4_addr2_16(netif_ip4_gw(netif)),
|
||||||
|
ip4_addr3_16(netif_ip4_gw(netif)),
|
||||||
|
ip4_addr4_16(netif_ip4_gw(netif))));
|
||||||
|
|
||||||
|
if (callback) {
|
||||||
|
netif_invoke_ext_callback(netif, LWIP_NSC_IPV4_GATEWAY_CHANGED, &args);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @ingroup netif_ip4
|
||||||
|
* Change the default gateway for a network interface
|
||||||
|
*
|
||||||
|
* @param netif the network interface to change
|
||||||
|
* @param gw the new default gateway
|
||||||
|
*
|
||||||
|
* @note call netif_set_addr() if you also want to change ip address and netmask
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
netif_set_gw(struct netif *netif, const ip4_addr_t *gw)
|
||||||
|
{
|
||||||
|
netif_do_set_gw(netif, gw, 1);
|
||||||
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @ingroup netif_ip4
|
* @ingroup netif_ip4
|
||||||
* Change IP address configuration for a network interface (including netmask
|
* Change IP address configuration for a network interface (including netmask
|
||||||
@ -450,14 +607,14 @@ netif_set_addr(struct netif *netif, const ip4_addr_t *ipaddr, const ip4_addr_t *
|
|||||||
if (ip4_addr_isany(ipaddr)) {
|
if (ip4_addr_isany(ipaddr)) {
|
||||||
/* when removing an address, we have to remove it *before* changing netmask/gw
|
/* when removing an address, we have to remove it *before* changing netmask/gw
|
||||||
to ensure that tcp RST segment can be sent correctly */
|
to ensure that tcp RST segment can be sent correctly */
|
||||||
netif_set_ipaddr(netif, ipaddr);
|
netif_do_set_ipaddr(netif, ipaddr, 0);
|
||||||
netif_set_netmask(netif, netmask);
|
netif_do_set_netmask(netif, netmask, 0);
|
||||||
netif_set_gw(netif, gw);
|
netif_do_set_gw(netif, gw, 0);
|
||||||
} else {
|
} else {
|
||||||
netif_set_netmask(netif, netmask);
|
|
||||||
netif_set_gw(netif, gw);
|
|
||||||
/* set ipaddr last to ensure netmask/gw have been set when status callback is called */
|
/* set ipaddr last to ensure netmask/gw have been set when status callback is called */
|
||||||
netif_set_ipaddr(netif, ipaddr);
|
netif_do_set_netmask(netif, netmask, 0);
|
||||||
|
netif_do_set_gw(netif, gw, 0);
|
||||||
|
netif_do_set_ipaddr(netif, ipaddr, 0);
|
||||||
}
|
}
|
||||||
|
|
||||||
#if LWIP_NETIF_EXT_STATUS_CALLBACK
|
#if LWIP_NETIF_EXT_STATUS_CALLBACK
|
||||||
@ -568,150 +725,6 @@ netif_remove(struct netif *netif)
|
|||||||
LWIP_DEBUGF( NETIF_DEBUG, ("netif_remove: removed netif\n") );
|
LWIP_DEBUGF( NETIF_DEBUG, ("netif_remove: removed netif\n") );
|
||||||
}
|
}
|
||||||
|
|
||||||
#if LWIP_IPV4
|
|
||||||
/**
|
|
||||||
* @ingroup netif_ip4
|
|
||||||
* Change the IP address of a network interface
|
|
||||||
*
|
|
||||||
* @param netif the network interface to change
|
|
||||||
* @param ipaddr the new IP address
|
|
||||||
*
|
|
||||||
* @note call netif_set_addr() if you also want to change netmask and
|
|
||||||
* default gateway
|
|
||||||
*/
|
|
||||||
void
|
|
||||||
netif_set_ipaddr(struct netif *netif, const ip4_addr_t *ipaddr)
|
|
||||||
{
|
|
||||||
ip_addr_t new_addr;
|
|
||||||
|
|
||||||
LWIP_ASSERT_CORE_LOCKED();
|
|
||||||
|
|
||||||
*ip_2_ip4(&new_addr) = (ipaddr ? *ipaddr : *IP4_ADDR_ANY4);
|
|
||||||
IP_SET_TYPE_VAL(new_addr, IPADDR_TYPE_V4);
|
|
||||||
|
|
||||||
/* address is actually being changed? */
|
|
||||||
if (ip4_addr_cmp(ip_2_ip4(&new_addr), netif_ip4_addr(netif)) == 0) {
|
|
||||||
ip_addr_t old_addr;
|
|
||||||
ip_addr_copy(old_addr, *netif_ip_addr4(netif));
|
|
||||||
|
|
||||||
LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_STATE, ("netif_set_ipaddr: netif address being changed\n"));
|
|
||||||
#if LWIP_TCP
|
|
||||||
tcp_netif_ip_addr_changed(&old_addr, &new_addr);
|
|
||||||
#endif /* LWIP_TCP */
|
|
||||||
#if LWIP_UDP
|
|
||||||
udp_netif_ip_addr_changed(&old_addr, &new_addr);
|
|
||||||
#endif /* LWIP_UDP */
|
|
||||||
#if LWIP_RAW
|
|
||||||
raw_netif_ip_addr_changed(&old_addr, &new_addr);
|
|
||||||
#endif /* LWIP_RAW */
|
|
||||||
|
|
||||||
mib2_remove_ip4(netif);
|
|
||||||
mib2_remove_route_ip4(0, netif);
|
|
||||||
/* set new IP address to netif */
|
|
||||||
ip4_addr_set(ip_2_ip4(&netif->ip_addr), ipaddr);
|
|
||||||
IP_SET_TYPE_VAL(netif->ip_addr, IPADDR_TYPE_V4);
|
|
||||||
mib2_add_ip4(netif);
|
|
||||||
mib2_add_route_ip4(0, netif);
|
|
||||||
|
|
||||||
netif_issue_reports(netif, NETIF_REPORT_TYPE_IPV4);
|
|
||||||
|
|
||||||
NETIF_STATUS_CALLBACK(netif);
|
|
||||||
#if LWIP_NETIF_EXT_STATUS_CALLBACK
|
|
||||||
{
|
|
||||||
netif_ext_callback_args_t args;
|
|
||||||
args.ipv4_changed.old_address = &old_addr;
|
|
||||||
netif_invoke_ext_callback(netif, LWIP_NSC_IPV4_ADDRESS_CHANGED, &args);
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
|
|
||||||
LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: IP address of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
|
|
||||||
netif->name[0], netif->name[1],
|
|
||||||
ip4_addr1_16(netif_ip4_addr(netif)),
|
|
||||||
ip4_addr2_16(netif_ip4_addr(netif)),
|
|
||||||
ip4_addr3_16(netif_ip4_addr(netif)),
|
|
||||||
ip4_addr4_16(netif_ip4_addr(netif))));
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @ingroup netif_ip4
|
|
||||||
* Change the default gateway for a network interface
|
|
||||||
*
|
|
||||||
* @param netif the network interface to change
|
|
||||||
* @param gw the new default gateway
|
|
||||||
*
|
|
||||||
* @note call netif_set_addr() if you also want to change ip address and netmask
|
|
||||||
*/
|
|
||||||
void
|
|
||||||
netif_set_gw(struct netif *netif, const ip4_addr_t *gw)
|
|
||||||
{
|
|
||||||
const ip4_addr_t *safe_gw = gw ? gw : IP4_ADDR_ANY4;
|
|
||||||
#if LWIP_NETIF_EXT_STATUS_CALLBACK
|
|
||||||
netif_ext_callback_args_t args;
|
|
||||||
ip_addr_t old_addr;
|
|
||||||
ip_addr_copy(old_addr, *netif_ip_gw4(netif));
|
|
||||||
args.ipv4_gw_changed.old_address = &old_addr;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
LWIP_ASSERT_CORE_LOCKED();
|
|
||||||
|
|
||||||
/* address is actually being changed? */
|
|
||||||
if (ip4_addr_cmp(safe_gw, netif_ip4_gw(netif)) == 0) {
|
|
||||||
ip4_addr_set(ip_2_ip4(&netif->gw), gw);
|
|
||||||
IP_SET_TYPE_VAL(netif->gw, IPADDR_TYPE_V4);
|
|
||||||
LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: GW address of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
|
|
||||||
netif->name[0], netif->name[1],
|
|
||||||
ip4_addr1_16(netif_ip4_gw(netif)),
|
|
||||||
ip4_addr2_16(netif_ip4_gw(netif)),
|
|
||||||
ip4_addr3_16(netif_ip4_gw(netif)),
|
|
||||||
ip4_addr4_16(netif_ip4_gw(netif))));
|
|
||||||
|
|
||||||
netif_invoke_ext_callback(netif, LWIP_NSC_IPV4_GATEWAY_CHANGED, &args);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @ingroup netif_ip4
|
|
||||||
* Change the netmask of a network interface
|
|
||||||
*
|
|
||||||
* @param netif the network interface to change
|
|
||||||
* @param netmask the new netmask
|
|
||||||
*
|
|
||||||
* @note call netif_set_addr() if you also want to change ip address and
|
|
||||||
* default gateway
|
|
||||||
*/
|
|
||||||
void
|
|
||||||
netif_set_netmask(struct netif *netif, const ip4_addr_t *netmask)
|
|
||||||
{
|
|
||||||
const ip4_addr_t *safe_netmask = netmask ? netmask : IP4_ADDR_ANY4;
|
|
||||||
#if LWIP_NETIF_EXT_STATUS_CALLBACK
|
|
||||||
netif_ext_callback_args_t args;
|
|
||||||
ip_addr_t old_addr;
|
|
||||||
ip_addr_copy(old_addr, *netif_ip_netmask4(netif));
|
|
||||||
args.ipv4_nm_changed.old_address = &old_addr;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
LWIP_ASSERT_CORE_LOCKED();
|
|
||||||
|
|
||||||
/* address is actually being changed? */
|
|
||||||
if (ip4_addr_cmp(safe_netmask, netif_ip4_netmask(netif)) == 0) {
|
|
||||||
mib2_remove_route_ip4(0, netif);
|
|
||||||
/* set new netmask to netif */
|
|
||||||
ip4_addr_set(ip_2_ip4(&netif->netmask), netmask);
|
|
||||||
IP_SET_TYPE_VAL(netif->netmask, IPADDR_TYPE_V4);
|
|
||||||
mib2_add_route_ip4(0, netif);
|
|
||||||
LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: netmask of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n",
|
|
||||||
netif->name[0], netif->name[1],
|
|
||||||
ip4_addr1_16(netif_ip4_netmask(netif)),
|
|
||||||
ip4_addr2_16(netif_ip4_netmask(netif)),
|
|
||||||
ip4_addr3_16(netif_ip4_netmask(netif)),
|
|
||||||
ip4_addr4_16(netif_ip4_netmask(netif))));
|
|
||||||
|
|
||||||
netif_invoke_ext_callback(netif, LWIP_NSC_IPV4_NETMASK_CHANGED, &args);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
#endif /* LWIP_IPV4 */
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @ingroup netif
|
* @ingroup netif
|
||||||
* Set a network interface as the default network interface
|
* Set a network interface as the default network interface
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user