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https://github.com/lwip-tcpip/lwip.git
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Added LWIP_SINGLE_NETIF for small targets with only one netif (see task #13515, there might be more optimizations to come with this option)
This commit is contained in:
parent
f978a7ed31
commit
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@ -6,6 +6,9 @@ HISTORY
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++ New features:
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2017-02-28: Simon Goldschmidt
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* Added LWIP_SINGLE_NETIF for small targets with only one netif
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2017-02-17: Simon Goldschmidt
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* Improved DNS_LOCAL_HOSTLIST interface
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@ -65,10 +65,9 @@ interfaces_get_value(struct snmp_node_instance* instance, void* value)
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s32_t *sint_ptr = (s32_t*)value;
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s32_t num_netifs = 0;
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struct netif *netif = netif_list;
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while (netif != NULL) {
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struct netif *netif;
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NETIF_FOREACH(netif) {
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num_netifs++;
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netif = netif->next;
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}
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*sint_ptr = num_netifs;
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@ -109,14 +108,12 @@ interfaces_Table_get_cell_instance(const u32_t* column, const u32_t* row_oid, u8
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ifIndex = row_oid[0];
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/* find netif with index */
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netif = netif_list;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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if (netif_to_num(netif) == ifIndex) {
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/* store netif pointer for subsequent operations (get/test/set) */
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cell_instance->reference.ptr = netif;
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return SNMP_ERR_NOERROR;
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}
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netif = netif->next;
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}
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/* not found */
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@ -136,15 +133,12 @@ interfaces_Table_get_next_cell_instance(const u32_t* column, struct snmp_obj_id*
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snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(interfaces_Table_oid_ranges));
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/* iterate over all possible OIDs to find the next one */
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netif = netif_list;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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u32_t test_oid[LWIP_ARRAYSIZE(interfaces_Table_oid_ranges)];
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test_oid[0] = netif_to_num(netif);
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/* check generated OID: is it a candidate for the next one? */
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snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(interfaces_Table_oid_ranges), netif);
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netif = netif->next;
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}
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/* did we find a next one? */
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@ -262,14 +262,11 @@ ip_AddrTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_
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snmp_oid_to_ip4(&row_oid[0], &ip); /* we know it succeeds because of oid_in_range check above */
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/* find netif with requested ip */
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netif = netif_list;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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if (ip4_addr_cmp(&ip, netif_ip4_addr(netif))) {
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/* fill in object properties */
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return ip_AddrTable_get_cell_value_core(netif, column, value, value_len);
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}
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netif = netif->next;
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}
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/* not found */
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@ -287,15 +284,12 @@ ip_AddrTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_o
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snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges));
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/* iterate over all possible OIDs to find the next one */
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netif = netif_list;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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u32_t test_oid[LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges)];
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snmp_ip4_to_oid(netif_ip4_addr(netif), &test_oid[0]);
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/* check generated OID: is it a candidate for the next one? */
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snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges), netif);
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netif = netif->next;
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}
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/* did we find a next one? */
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@ -419,8 +413,7 @@ ip_RouteTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row
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}
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/* find netif with requested route */
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netif = netif_list;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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ip4_addr_t dst;
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ip4_addr_get_network(&dst, netif_ip4_addr(netif), netif_ip4_netmask(netif));
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@ -428,8 +421,6 @@ ip_RouteTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row
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/* fill in object properties */
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return ip_RouteTable_get_cell_value_core(netif, 0, column, value, value_len);
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}
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netif = netif->next;
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}
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/* not found */
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@ -454,8 +445,7 @@ ip_RouteTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_
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}
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/* iterate over all possible OIDs to find the next one */
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netif = netif_list;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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ip4_addr_t dst;
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ip4_addr_get_network(&dst, netif_ip4_addr(netif), netif_ip4_netmask(netif));
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@ -464,8 +454,6 @@ ip_RouteTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_
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snmp_ip4_to_oid(&dst, &test_oid[0]);
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snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges), netif);
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}
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netif = netif->next;
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}
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/* did we find a next one? */
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@ -364,9 +364,9 @@ autoip_stop(struct netif *netif)
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void
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autoip_tmr(void)
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{
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struct netif *netif = netif_list;
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struct netif *netif;
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/* loop through netif's */
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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struct autoip* autoip = netif_autoip_data(netif);
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/* only act on AutoIP configured interfaces */
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if (autoip != NULL) {
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@ -438,8 +438,6 @@ autoip_tmr(void)
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break;
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}
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}
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/* proceed to next network interface */
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netif = netif->next;
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}
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}
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@ -408,10 +408,10 @@ dhcp_select(struct netif *netif)
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void
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dhcp_coarse_tmr(void)
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{
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struct netif *netif = netif_list;
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struct netif *netif;
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LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_coarse_tmr()\n"));
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/* iterate through all network interfaces */
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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/* only act on DHCP configured interfaces */
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struct dhcp *dhcp = netif_dhcp_data(netif);
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if ((dhcp != NULL) && (dhcp->state != DHCP_STATE_OFF)) {
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@ -433,8 +433,6 @@ dhcp_coarse_tmr(void)
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dhcp_t1_timeout(netif);
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}
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}
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/* proceed to next netif */
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netif = netif->next;
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}
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}
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@ -448,9 +446,9 @@ dhcp_coarse_tmr(void)
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void
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dhcp_fine_tmr(void)
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{
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struct netif *netif = netif_list;
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struct netif *netif;
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/* loop through netif's */
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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struct dhcp *dhcp = netif_dhcp_data(netif);
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/* only act on DHCP configured interfaces */
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if (dhcp != NULL) {
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@ -466,8 +464,6 @@ dhcp_fine_tmr(void)
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dhcp_timeout(netif);
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}
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}
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/* proceed to next network interface */
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netif = netif->next;
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}
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}
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@ -456,8 +456,7 @@ igmp_joingroup(const ip4_addr_t *ifaddr, const ip4_addr_t *groupaddr)
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LWIP_ERROR("igmp_joingroup: attempt to join allsystems address", (!ip4_addr_cmp(groupaddr, &allsystems)), return ERR_VAL;);
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/* loop through netif's */
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netif = netif_list;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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/* Should we join this interface ? */
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if ((netif->flags & NETIF_FLAG_IGMP) && ((ip4_addr_isany(ifaddr) || ip4_addr_cmp(netif_ip4_addr(netif), ifaddr)))) {
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err = igmp_joingroup_netif(netif, groupaddr);
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@ -467,8 +466,6 @@ igmp_joingroup(const ip4_addr_t *ifaddr, const ip4_addr_t *groupaddr)
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return err;
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}
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}
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/* proceed to next network interface */
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netif = netif->next;
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}
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return err;
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@ -552,8 +549,7 @@ igmp_leavegroup(const ip4_addr_t *ifaddr, const ip4_addr_t *groupaddr)
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LWIP_ERROR("igmp_leavegroup: attempt to leave allsystems address", (!ip4_addr_cmp(groupaddr, &allsystems)), return ERR_VAL;);
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/* loop through netif's */
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netif = netif_list;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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/* Should we leave this interface ? */
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if ((netif->flags & NETIF_FLAG_IGMP) && ((ip4_addr_isany(ifaddr) || ip4_addr_cmp(netif_ip4_addr(netif), ifaddr)))) {
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err_t res = igmp_leavegroup_netif(netif, groupaddr);
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@ -562,8 +558,6 @@ igmp_leavegroup(const ip4_addr_t *ifaddr, const ip4_addr_t *groupaddr)
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err = res;
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}
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}
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/* proceed to next network interface */
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netif = netif->next;
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}
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return err;
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@ -638,9 +632,9 @@ igmp_leavegroup_netif(struct netif *netif, const ip4_addr_t *groupaddr)
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void
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igmp_tmr(void)
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{
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struct netif *netif = netif_list;
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struct netif *netif;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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struct igmp_group *group = netif_igmp_data(netif);
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while (group != NULL) {
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@ -652,7 +646,6 @@ igmp_tmr(void)
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}
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group = group->next;
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}
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netif = netif->next;
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}
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}
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@ -151,6 +151,7 @@ ip4_route_src(const ip4_addr_t *dest, const ip4_addr_t *src)
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struct netif *
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ip4_route(const ip4_addr_t *dest)
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{
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#if !LWIP_SINGLE_NETIF
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struct netif *netif;
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#if LWIP_MULTICAST_TX_OPTIONS
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@ -205,6 +206,7 @@ ip4_route(const ip4_addr_t *dest)
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return netif;
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}
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#endif
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#endif /* !LWIP_SINGLE_NETIF */
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if ((netif_default == NULL) || !netif_is_up(netif_default) || !netif_is_link_up(netif_default) ||
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ip4_addr_isany_val(*netif_ip4_addr(netif_default))) {
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@ -534,7 +536,8 @@ ip4_input(struct pbuf *p, struct netif *inp)
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if (!ip4_addr_isloopback(ip4_current_dest_addr()))
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#endif /* !LWIP_NETIF_LOOPBACK || LWIP_HAVE_LOOPIF */
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{
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for (netif = netif_list; netif != NULL; netif = netif->next) {
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#if ! LWIP_SINGLE_NETIF
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NETIF_FOREACH(netif) {
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if (netif == inp) {
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/* we checked that before already */
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continue;
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@ -543,6 +546,7 @@ ip4_input(struct pbuf *p, struct netif *inp)
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break;
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}
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}
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#endif /* !LWIP_SINGLE_NETIF */
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}
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}
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}
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@ -85,6 +85,10 @@
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struct netif *
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ip6_route(const ip6_addr_t *src, const ip6_addr_t *dest)
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{
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#if LWIP_SINGLE_NETIF
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LWIP_UNUSED_ARG(src);
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LWIP_UNUSED_ARG(dest);
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#else /* LWIP_SINGLE_NETIF */
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struct netif *netif;
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s8_t i;
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@ -239,6 +243,7 @@ ip6_route(const ip6_addr_t *src, const ip6_addr_t *dest)
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return NULL;
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}
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#endif /* LWIP_NETIF_LOOPBACK && !LWIP_HAVE_LOOPIF */
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#endif /* !LWIP_SINGLE_NETIF */
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/* no matching netif found, use default netif, if up */
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if ((netif_default == NULL) || !netif_is_up(netif_default) || !netif_is_link_up(netif_default)) {
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@ -636,7 +641,8 @@ ip6_input(struct pbuf *p, struct netif *inp)
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goto netif_found;
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}
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#endif /* !LWIP_NETIF_LOOPBACK || LWIP_HAVE_LOOPIF */
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for (netif = netif_list; netif != NULL; netif = netif->next) {
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#if ! LWIP_SINGLE_NETIF
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NETIF_FOREACH(netif) {
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if (netif == inp) {
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/* we checked that before already */
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continue;
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@ -645,6 +651,7 @@ ip6_input(struct pbuf *p, struct netif *inp)
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break;
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}
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}
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#endif /* !LWIP_SINGLE_NETIF */
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}
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netif_found:
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LWIP_DEBUGF(IP6_DEBUG, ("ip6_input: packet accepted on interface %c%c\n",
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@ -313,8 +313,7 @@ mld6_joingroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr)
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struct netif *netif;
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/* loop through netif's */
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netif = netif_list;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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/* Should we join this interface ? */
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if (ip6_addr_isany(srcaddr) ||
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netif_get_ip6_addr_match(netif, srcaddr) >= 0) {
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@ -323,9 +322,6 @@ mld6_joingroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr)
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return err;
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}
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}
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/* proceed to next network interface */
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netif = netif->next;
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}
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return err;
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@ -402,8 +398,7 @@ mld6_leavegroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr)
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struct netif *netif;
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/* loop through netif's */
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netif = netif_list;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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/* Should we leave this interface ? */
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if (ip6_addr_isany(srcaddr) ||
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netif_get_ip6_addr_match(netif, srcaddr) >= 0) {
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@ -413,8 +408,6 @@ mld6_leavegroup(const ip6_addr_t *srcaddr, const ip6_addr_t *groupaddr)
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err = res;
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}
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}
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/* proceed to next network interface */
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netif = netif->next;
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}
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return err;
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@ -489,9 +482,9 @@ mld6_leavegroup_netif(struct netif *netif, const ip6_addr_t *groupaddr)
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void
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mld6_tmr(void)
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{
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struct netif *netif = netif_list;
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struct netif *netif;
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while (netif != NULL) {
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NETIF_FOREACH(netif) {
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struct mld_group *group = netif_mld6_data(netif);
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while (group != NULL) {
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@ -508,7 +501,6 @@ mld6_tmr(void)
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}
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group = group->next;
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}
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netif = netif->next;
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}
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}
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@ -1042,7 +1042,7 @@ nd6_tmr(void)
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}
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/* Process our own addresses, updating address lifetimes and/or DAD state. */
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for (netif = netif_list; netif != NULL; netif = netif->next) {
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NETIF_FOREACH(netif) {
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for (i = 0; i < LWIP_IPV6_NUM_ADDRESSES; ++i) {
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u8_t addr_state;
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#if LWIP_IPV6_ADDRESS_LIFETIMES
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@ -1121,7 +1121,7 @@ nd6_tmr(void)
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#if LWIP_IPV6_SEND_ROUTER_SOLICIT
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/* Send router solicitation messages, if necessary. */
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for (netif = netif_list; netif != NULL; netif = netif->next) {
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NETIF_FOREACH(netif) {
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if ((netif->rs_count > 0) && netif_is_up(netif) &&
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netif_is_link_up(netif) &&
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!ip6_addr_isinvalid(netif_ip6_addr_state(netif, 0)) &&
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@ -106,7 +106,9 @@
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static netif_ext_callback_t* ext_callback;
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#endif
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#if !LWIP_SINGLE_NETIF
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struct netif *netif_list;
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#endif /* !LWIP_SINGLE_NETIF */
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struct netif *netif_default;
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#define netif_index_to_num(index) ((index) - 1)
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@ -250,12 +252,17 @@ netif_add(struct netif *netif,
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#endif /* LWIP_IPV4 */
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void *state, netif_init_fn init, netif_input_fn input)
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{
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struct netif *netif2;
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int num_netifs;
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#if LWIP_IPV6
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s8_t i;
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#endif
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#if LWIP_SINGLE_NETIF
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if (netif_default != NULL) {
|
||||
LWIP_ASSERT("single netif already set", 0);
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
LWIP_ASSERT("No init function given", init != NULL);
|
||||
|
||||
/* reset new interface configuration state */
|
||||
@ -323,11 +330,15 @@ netif_add(struct netif *netif,
|
||||
return NULL;
|
||||
}
|
||||
|
||||
#if !LWIP_SINGLE_NETIF
|
||||
/* Assign a unique netif number in the range [0..254], so that (num+1) can
|
||||
serve as an interface index that fits in a u8_t.
|
||||
We assume that the new netif has not yet been added to the list here.
|
||||
This algorithm is O(n^2), but that should be OK for lwIP.
|
||||
*/
|
||||
{
|
||||
struct netif *netif2;
|
||||
int num_netifs;
|
||||
do {
|
||||
if (netif->num == 255) {
|
||||
netif->num = 0;
|
||||
@ -342,11 +353,13 @@ netif_add(struct netif *netif,
|
||||
}
|
||||
}
|
||||
} while (netif2 != NULL);
|
||||
}
|
||||
netif_num = netif->num + 1;
|
||||
|
||||
/* add this netif to the list */
|
||||
netif->next = netif_list;
|
||||
netif_list = netif;
|
||||
#endif /* "LWIP_SINGLE_NETIF */
|
||||
mib2_netif_added(netif);
|
||||
|
||||
#if LWIP_IGMP
|
||||
@ -476,6 +489,7 @@ netif_remove(struct netif *netif)
|
||||
/* reset default netif */
|
||||
netif_set_default(NULL);
|
||||
}
|
||||
#if !LWIP_SINGLE_NETIF
|
||||
/* is it the first netif? */
|
||||
if (netif_list == netif) {
|
||||
netif_list = netif->next;
|
||||
@ -492,6 +506,7 @@ netif_remove(struct netif *netif)
|
||||
return; /* netif is not on the list */
|
||||
}
|
||||
}
|
||||
#endif /* !LWIP_SINGLE_NETIF */
|
||||
mib2_netif_removed(netif);
|
||||
#if LWIP_NETIF_REMOVE_CALLBACK
|
||||
if (netif->remove_callback) {
|
||||
@ -1037,12 +1052,10 @@ netif_poll(struct netif *netif)
|
||||
void
|
||||
netif_poll_all(void)
|
||||
{
|
||||
struct netif *netif = netif_list;
|
||||
struct netif *netif;
|
||||
/* loop through netifs */
|
||||
while (netif != NULL) {
|
||||
NETIF_FOREACH(netif) {
|
||||
netif_poll(netif);
|
||||
/* proceed to next network interface */
|
||||
netif = netif->next;
|
||||
}
|
||||
}
|
||||
#endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */
|
||||
@ -1427,7 +1440,7 @@ netif_get_by_index(u8_t idx)
|
||||
struct netif* netif;
|
||||
|
||||
if (idx != NETIF_NO_INDEX) {
|
||||
for (netif = netif_list; netif != NULL; netif = netif->next) {
|
||||
NETIF_FOREACH(netif) {
|
||||
if (idx == netif_get_index(netif)) {
|
||||
return netif; /* found! */
|
||||
}
|
||||
@ -1456,7 +1469,7 @@ netif_find(const char *name)
|
||||
|
||||
num = (u8_t)atoi(&name[2]);
|
||||
|
||||
for (netif = netif_list; netif != NULL; netif = netif->next) {
|
||||
NETIF_FOREACH(netif) {
|
||||
if (num == netif->num &&
|
||||
name[0] == netif->name[0] &&
|
||||
name[1] == netif->name[1]) {
|
||||
|
@ -229,8 +229,10 @@ u8_t netif_alloc_client_data_id(void);
|
||||
* The following fields should be filled in by the initialization
|
||||
* function for the device driver: hwaddr_len, hwaddr[], mtu, flags */
|
||||
struct netif {
|
||||
#if !LWIP_SINGLE_NETIF
|
||||
/** pointer to next in linked list */
|
||||
struct netif *next;
|
||||
#endif
|
||||
|
||||
#if LWIP_IPV4
|
||||
/** IP address configuration in network byte order */
|
||||
@ -365,8 +367,13 @@ struct netif {
|
||||
#define IF__NETIF_CHECKSUM_ENABLED(netif, chksumflag)
|
||||
#endif /* LWIP_CHECKSUM_CTRL_PER_NETIF */
|
||||
|
||||
#if LWIP_SINGLE_NETIF
|
||||
#define NETIF_FOREACH(netif) if (((netif) = netif_default) != NULL)
|
||||
#else /* LWIP_SINGLE_NETIF */
|
||||
/** The list of network interfaces. */
|
||||
extern struct netif *netif_list;
|
||||
#define NETIF_FOREACH(netif) for (netif = netif_list; netif != NULL; netif = netif->next)
|
||||
#endif /* LWIP_SINGLE_NETIF */
|
||||
/** The default network interface. */
|
||||
extern struct netif *netif_default;
|
||||
|
||||
|
@ -626,7 +626,7 @@
|
||||
* (but this should only occur for AutoIP).
|
||||
*/
|
||||
#if !defined ETHARP_TABLE_MATCH_NETIF || defined __DOXYGEN__
|
||||
#define ETHARP_TABLE_MATCH_NETIF 0
|
||||
#define ETHARP_TABLE_MATCH_NETIF !LWIP_SINGLE_NETIF
|
||||
#endif
|
||||
/**
|
||||
* @}
|
||||
@ -1417,6 +1417,14 @@
|
||||
* @ingroup lwip_opts
|
||||
* @{
|
||||
*/
|
||||
/**
|
||||
* LWIP_SINGLE_NETIF==1: use a single netif only. This is the common case for
|
||||
* small real-life targets. Some code like routing etc. can be left out.
|
||||
*/
|
||||
#if !defined LWIP_SINGLE_NETIF || defined __DOXYGEN__
|
||||
#define LWIP_SINGLE_NETIF 0
|
||||
#endif
|
||||
|
||||
/**
|
||||
* LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname
|
||||
* field.
|
||||
@ -1516,7 +1524,7 @@
|
||||
* netif is available, loopback traffic uses this netif.
|
||||
*/
|
||||
#if !defined LWIP_HAVE_LOOPIF || defined __DOXYGEN__
|
||||
#define LWIP_HAVE_LOOPIF LWIP_NETIF_LOOPBACK
|
||||
#define LWIP_HAVE_LOOPIF (LWIP_NETIF_LOOPBACK && !LWIP_SINGLE_NETIF)
|
||||
#endif
|
||||
|
||||
/**
|
||||
@ -2199,7 +2207,7 @@
|
||||
* setting only for single-interface configurations.
|
||||
*/
|
||||
#if !defined LWIP_IPV6_SCOPES || defined __DOXYGEN__
|
||||
#define LWIP_IPV6_SCOPES (LWIP_IPV6)
|
||||
#define LWIP_IPV6_SCOPES (LWIP_IPV6 && !LWIP_SINGLE_NETIF)
|
||||
#endif
|
||||
|
||||
/**
|
||||
|
Loading…
Reference in New Issue
Block a user