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Posted to commits@mynewt.apache.org by ma...@apache.org on 2016/09/30 00:31:10 UTC
[27/51] [abbrv] [partial] incubator-mynewt-core git commit:
net/ip/lwip_base; LwIP.
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/f5a0f2a0/net/ip/lwip_base/src/apps/snmp/snmp_mib2_interfaces.c
----------------------------------------------------------------------
diff --git a/net/ip/lwip_base/src/apps/snmp/snmp_mib2_interfaces.c b/net/ip/lwip_base/src/apps/snmp/snmp_mib2_interfaces.c
new file mode 100644
index 0000000..979b507
--- /dev/null
+++ b/net/ip/lwip_base/src/apps/snmp/snmp_mib2_interfaces.c
@@ -0,0 +1,375 @@
+/**
+ * @file
+ * Management Information Base II (RFC1213) INTERFACES objects and functions.
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Dirk Ziegelmeier <dz...@gmx.de>
+ * Christiaan Simons <ch...@axon.tv>
+ */
+
+#include "lwip/snmp.h"
+#include "lwip/apps/snmp.h"
+#include "lwip/apps/snmp_core.h"
+#include "lwip/apps/snmp_mib2.h"
+#include "lwip/apps/snmp_table.h"
+#include "lwip/apps/snmp_scalar.h"
+#include "lwip/netif.h"
+#include "lwip/stats.h"
+
+#include <string.h>
+
+#if LWIP_SNMP && SNMP_LWIP_MIB2
+
+#if SNMP_USE_NETCONN
+#define SYNC_NODE_NAME(node_name) node_name ## _synced
+#define CREATE_LWIP_SYNC_NODE(oid, node_name) \
+ static const struct snmp_threadsync_node node_name ## _synced = SNMP_CREATE_THREAD_SYNC_NODE(oid, &node_name.node, &snmp_mib2_lwip_locks);
+#else
+#define SYNC_NODE_NAME(node_name) node_name
+#define CREATE_LWIP_SYNC_NODE(oid, node_name)
+#endif
+
+
+/* --- interfaces .1.3.6.1.2.1.2 ----------------------------------------------------- */
+
+static s16_t
+interfaces_get_value(struct snmp_node_instance* instance, void* value)
+{
+ if (instance->node->oid == 1) {
+ s32_t *sint_ptr = (s32_t*)value;
+ s32_t num_netifs = 0;
+
+ struct netif *netif = netif_list;
+ while (netif != NULL) {
+ num_netifs++;
+ netif = netif->next;
+ }
+
+ *sint_ptr = num_netifs;
+ return sizeof(*sint_ptr);
+ }
+
+ return 0;
+}
+
+/* list of allowed value ranges for incoming OID */
+static const struct snmp_oid_range interfaces_Table_oid_ranges[] = {
+ { 1, 0xff } /* netif->num is u8_t */
+};
+
+static const u8_t iftable_ifOutQLen = 0;
+
+static const u8_t iftable_ifOperStatus_up = 1;
+static const u8_t iftable_ifOperStatus_down = 2;
+
+static const u8_t iftable_ifAdminStatus_up = 1;
+static const u8_t iftable_ifAdminStatus_lowerLayerDown = 7;
+static const u8_t iftable_ifAdminStatus_down = 2;
+
+static snmp_err_t
+interfaces_Table_get_cell_instance(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, struct snmp_node_instance* cell_instance)
+{
+ u32_t ifIndex;
+ struct netif *netif;
+
+ LWIP_UNUSED_ARG(column);
+
+ /* check if incoming OID length and if values are in plausible range */
+ if (!snmp_oid_in_range(row_oid, row_oid_len, interfaces_Table_oid_ranges, LWIP_ARRAYSIZE(interfaces_Table_oid_ranges))) {
+ return SNMP_ERR_NOSUCHINSTANCE;
+ }
+
+ /* get netif index from incoming OID */
+ ifIndex = row_oid[0];
+
+ /* find netif with index */
+ netif = netif_list;
+ while (netif != NULL) {
+ if (netif_to_num(netif) == ifIndex) {
+ /* store netif pointer for subsequent operations (get/test/set) */
+ cell_instance->reference.ptr = netif;
+ return SNMP_ERR_NOERROR;
+ }
+ netif = netif->next;
+ }
+
+ /* not found */
+ return SNMP_ERR_NOSUCHINSTANCE;
+}
+
+static snmp_err_t
+interfaces_Table_get_next_cell_instance(const u32_t* column, struct snmp_obj_id* row_oid, struct snmp_node_instance* cell_instance)
+{
+ struct netif *netif;
+ struct snmp_next_oid_state state;
+ u32_t result_temp[LWIP_ARRAYSIZE(interfaces_Table_oid_ranges)];
+
+ LWIP_UNUSED_ARG(column);
+
+ /* init struct to search next oid */
+ snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(interfaces_Table_oid_ranges));
+
+ /* iterate over all possible OIDs to find the next one */
+ netif = netif_list;
+ while (netif != NULL) {
+ u32_t test_oid[LWIP_ARRAYSIZE(interfaces_Table_oid_ranges)];
+ test_oid[0] = netif_to_num(netif);
+
+ /* check generated OID: is it a candidate for the next one? */
+ snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(interfaces_Table_oid_ranges), netif);
+
+ netif = netif->next;
+ }
+
+ /* did we find a next one? */
+ if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
+ snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
+ /* store netif pointer for subsequent operations (get/test/set) */
+ cell_instance->reference.ptr = /* (struct netif*) */state.reference;
+ return SNMP_ERR_NOERROR;
+ }
+
+ /* not found */
+ return SNMP_ERR_NOSUCHINSTANCE;
+}
+
+static s16_t
+interfaces_Table_get_value(struct snmp_node_instance* instance, void* value)
+{
+ struct netif *netif = (struct netif*)instance->reference.ptr;
+ u32_t* value_u32 = (u32_t*)value;
+ s32_t* value_s32 = (s32_t*)value;
+ u16_t value_len;
+
+ switch (SNMP_TABLE_GET_COLUMN_FROM_OID(instance->instance_oid.id))
+ {
+ case 1: /* ifIndex */
+ *value_s32 = netif_to_num(netif);
+ value_len = sizeof(*value_s32);
+ break;
+ case 2: /* ifDescr */
+ value_len = sizeof(netif->name);
+ MEMCPY(value, netif->name, value_len);
+ break;
+ case 3: /* ifType */
+ *value_s32 = netif->link_type;
+ value_len = sizeof(*value_s32);
+ break;
+ case 4: /* ifMtu */
+ *value_s32 = netif->mtu;
+ value_len = sizeof(*value_s32);
+ break;
+ case 5: /* ifSpeed */
+ *value_u32 = netif->link_speed;
+ value_len = sizeof(*value_u32);
+ break;
+ case 6: /* ifPhysAddress */
+ value_len = sizeof(netif->hwaddr);
+ MEMCPY(value, &netif->hwaddr, value_len);
+ break;
+ case 7: /* ifAdminStatus */
+ if (netif_is_up(netif)) {
+ *value_s32 = iftable_ifOperStatus_up;
+ } else {
+ *value_s32 = iftable_ifOperStatus_down;
+ }
+ value_len = sizeof(*value_s32);
+ break;
+ case 8: /* ifOperStatus */
+ if (netif_is_up(netif)) {
+ if (netif_is_link_up(netif)) {
+ *value_s32 = iftable_ifAdminStatus_up;
+ } else {
+ *value_s32 = iftable_ifAdminStatus_lowerLayerDown;
+ }
+ } else {
+ *value_s32 = iftable_ifAdminStatus_down;
+ }
+ value_len = sizeof(*value_s32);
+ break;
+ case 9: /* ifLastChange */
+ *value_u32 = netif->ts;
+ value_len = sizeof(*value_u32);
+ break;
+ case 10: /* ifInOctets */
+ *value_u32 = netif->mib2_counters.ifinoctets;
+ value_len = sizeof(*value_u32);
+ break;
+ case 11: /* ifInUcastPkts */
+ *value_u32 = netif->mib2_counters.ifinucastpkts;
+ value_len = sizeof(*value_u32);
+ break;
+ case 12: /* ifInNUcastPkts */
+ *value_u32 = netif->mib2_counters.ifinnucastpkts;
+ value_len = sizeof(*value_u32);
+ break;
+ case 13: /* ifInDiscards */
+ *value_u32 = netif->mib2_counters.ifindiscards;
+ value_len = sizeof(*value_u32);
+ break;
+ case 14: /* ifInErrors */
+ *value_u32 = netif->mib2_counters.ifinerrors;
+ value_len = sizeof(*value_u32);
+ break;
+ case 15: /* ifInUnkownProtos */
+ *value_u32 = netif->mib2_counters.ifinunknownprotos;
+ value_len = sizeof(*value_u32);
+ break;
+ case 16: /* ifOutOctets */
+ *value_u32 = netif->mib2_counters.ifoutoctets;
+ value_len = sizeof(*value_u32);
+ break;
+ case 17: /* ifOutUcastPkts */
+ *value_u32 = netif->mib2_counters.ifoutucastpkts;
+ value_len = sizeof(*value_u32);
+ break;
+ case 18: /* ifOutNUcastPkts */
+ *value_u32 = netif->mib2_counters.ifoutnucastpkts;
+ value_len = sizeof(*value_u32);
+ break;
+ case 19: /* ifOutDiscarts */
+ *value_u32 = netif->mib2_counters.ifoutdiscards;
+ value_len = sizeof(*value_u32);
+ break;
+ case 20: /* ifOutErrors */
+ *value_u32 = netif->mib2_counters.ifouterrors;
+ value_len = sizeof(*value_u32);
+ break;
+ case 21: /* ifOutQLen */
+ *value_u32 = iftable_ifOutQLen;
+ value_len = sizeof(*value_u32);
+ break;
+ /** @note returning zeroDotZero (0.0) no media specific MIB support */
+ case 22: /* ifSpecific */
+ value_len = snmp_zero_dot_zero.len * sizeof(u32_t);
+ MEMCPY(value, snmp_zero_dot_zero.id, value_len);
+ break;
+ default:
+ return 0;
+ }
+
+ return value_len;
+}
+
+#if !SNMP_SAFE_REQUESTS
+
+static snmp_err_t
+interfaces_Table_set_test(struct snmp_node_instance* instance, u16_t len, void *value)
+{
+ s32_t *sint_ptr = (s32_t*)value;
+
+ /* stack should never call this method for another column,
+ because all other columns are set to readonly */
+ LWIP_ASSERT("Invalid column", (SNMP_TABLE_GET_COLUMN_FROM_OID(instance->instance_oid.id) == 7));
+ LWIP_UNUSED_ARG(len);
+
+ if (*sint_ptr == 1 || *sint_ptr == 2) {
+ return SNMP_ERR_NOERROR;
+ }
+
+ return SNMP_ERR_WRONGVALUE;
+}
+
+static snmp_err_t
+interfaces_Table_set_value(struct snmp_node_instance* instance, u16_t len, void *value)
+{
+ struct netif *netif = (struct netif*)instance->reference.ptr;
+ s32_t *sint_ptr = (s32_t*)value;
+
+ /* stack should never call this method for another column,
+ because all other columns are set to readonly */
+ LWIP_ASSERT("Invalid column", (SNMP_TABLE_GET_COLUMN_FROM_OID(instance->instance_oid.id) == 7));
+ LWIP_UNUSED_ARG(len);
+
+ if (*sint_ptr == 1) {
+ netif_set_up(netif);
+ } else if (*sint_ptr == 2) {
+ netif_set_down(netif);
+ }
+
+ return SNMP_ERR_NOERROR;
+}
+
+#endif /* SNMP_SAFE_REQUESTS */
+
+static const struct snmp_scalar_node interfaces_Number = SNMP_SCALAR_CREATE_NODE_READONLY(1, SNMP_ASN1_TYPE_INTEGER, interfaces_get_value);
+
+static const struct snmp_table_col_def interfaces_Table_columns[] = {
+ { 1, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifIndex */
+ { 2, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifDescr */
+ { 3, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifType */
+ { 4, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifMtu */
+ { 5, SNMP_ASN1_TYPE_GAUGE, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifSpeed */
+ { 6, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifPhysAddress */
+#if !SNMP_SAFE_REQUESTS
+ { 7, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_WRITE }, /* ifAdminStatus */
+#else
+ { 7, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifAdminStatus */
+#endif
+ { 8, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOperStatus */
+ { 9, SNMP_ASN1_TYPE_TIMETICKS, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifLastChange */
+ { 10, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInOctets */
+ { 11, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInUcastPkts */
+ { 12, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInNUcastPkts */
+ { 13, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInDiscarts */
+ { 14, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInErrors */
+ { 15, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInUnkownProtos */
+ { 16, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutOctets */
+ { 17, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutUcastPkts */
+ { 18, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutNUcastPkts */
+ { 19, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutDiscarts */
+ { 20, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutErrors */
+ { 21, SNMP_ASN1_TYPE_GAUGE, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutQLen */
+ { 22, SNMP_ASN1_TYPE_OBJECT_ID, SNMP_NODE_INSTANCE_READ_ONLY } /* ifSpecific */
+};
+
+#if !SNMP_SAFE_REQUESTS
+static const struct snmp_table_node interfaces_Table = SNMP_TABLE_CREATE(
+ 2, interfaces_Table_columns,
+ interfaces_Table_get_cell_instance, interfaces_Table_get_next_cell_instance,
+ interfaces_Table_get_value, interfaces_Table_set_test, interfaces_Table_set_value);
+#else
+static const struct snmp_table_node interfaces_Table = SNMP_TABLE_CREATE(
+ 2, interfaces_Table_columns,
+ interfaces_Table_get_cell_instance, interfaces_Table_get_next_cell_instance,
+ interfaces_Table_get_value, NULL, NULL);
+#endif
+
+/* the following nodes access variables in LWIP stack from SNMP worker thread and must therefore be synced to LWIP (TCPIP) thread */
+CREATE_LWIP_SYNC_NODE(1, interfaces_Number)
+CREATE_LWIP_SYNC_NODE(2, interfaces_Table)
+
+static const struct snmp_node* const interface_nodes[] = {
+ &SYNC_NODE_NAME(interfaces_Number).node.node,
+ &SYNC_NODE_NAME(interfaces_Table).node.node
+};
+
+const struct snmp_tree_node snmp_mib2_interface_root = SNMP_CREATE_TREE_NODE(2, interface_nodes);
+
+#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/f5a0f2a0/net/ip/lwip_base/src/apps/snmp/snmp_mib2_ip.c
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diff --git a/net/ip/lwip_base/src/apps/snmp/snmp_mib2_ip.c b/net/ip/lwip_base/src/apps/snmp/snmp_mib2_ip.c
new file mode 100644
index 0000000..b14a556
--- /dev/null
+++ b/net/ip/lwip_base/src/apps/snmp/snmp_mib2_ip.c
@@ -0,0 +1,743 @@
+/**
+ * @file
+ * Management Information Base II (RFC1213) IP objects and functions.
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Dirk Ziegelmeier <dz...@gmx.de>
+ * Christiaan Simons <ch...@axon.tv>
+ */
+
+#include "lwip/snmp.h"
+#include "lwip/apps/snmp.h"
+#include "lwip/apps/snmp_core.h"
+#include "lwip/apps/snmp_mib2.h"
+#include "lwip/apps/snmp_table.h"
+#include "lwip/apps/snmp_scalar.h"
+#include "lwip/stats.h"
+#include "lwip/netif.h"
+#include "lwip/ip.h"
+#include "lwip/etharp.h"
+
+#if LWIP_SNMP && SNMP_LWIP_MIB2
+
+#if SNMP_USE_NETCONN
+#define SYNC_NODE_NAME(node_name) node_name ## _synced
+#define CREATE_LWIP_SYNC_NODE(oid, node_name) \
+ static const struct snmp_threadsync_node node_name ## _synced = SNMP_CREATE_THREAD_SYNC_NODE(oid, &node_name.node, &snmp_mib2_lwip_locks);
+#else
+#define SYNC_NODE_NAME(node_name) node_name
+#define CREATE_LWIP_SYNC_NODE(oid, node_name)
+#endif
+
+#if LWIP_IPV4
+/* --- ip .1.3.6.1.2.1.4 ----------------------------------------------------- */
+
+static s16_t
+ip_get_value(struct snmp_node_instance* instance, void* value)
+{
+ s32_t* sint_ptr = (s32_t*)value;
+ u32_t* uint_ptr = (u32_t*)value;
+
+ switch (instance->node->oid) {
+ case 1: /* ipForwarding */
+#if IP_FORWARD
+ /* forwarding */
+ *sint_ptr = 1;
+#else
+ /* not-forwarding */
+ *sint_ptr = 2;
+#endif
+ return sizeof(*sint_ptr);
+ case 2: /* ipDefaultTTL */
+ *sint_ptr = IP_DEFAULT_TTL;
+ return sizeof(*sint_ptr);
+ case 3: /* ipInReceives */
+ *uint_ptr = STATS_GET(mib2.ipinreceives);
+ return sizeof(*uint_ptr);
+ case 4: /* ipInHdrErrors */
+ *uint_ptr = STATS_GET(mib2.ipinhdrerrors);
+ return sizeof(*uint_ptr);
+ case 5: /* ipInAddrErrors */
+ *uint_ptr = STATS_GET(mib2.ipinaddrerrors);
+ return sizeof(*uint_ptr);
+ case 6: /* ipForwDatagrams */
+ *uint_ptr = STATS_GET(mib2.ipforwdatagrams);
+ return sizeof(*uint_ptr);
+ case 7: /* ipInUnknownProtos */
+ *uint_ptr = STATS_GET(mib2.ipinunknownprotos);
+ return sizeof(*uint_ptr);
+ case 8: /* ipInDiscards */
+ *uint_ptr = STATS_GET(mib2.ipindiscards);
+ return sizeof(*uint_ptr);
+ case 9: /* ipInDelivers */
+ *uint_ptr = STATS_GET(mib2.ipindelivers);
+ return sizeof(*uint_ptr);
+ case 10: /* ipOutRequests */
+ *uint_ptr = STATS_GET(mib2.ipoutrequests);
+ return sizeof(*uint_ptr);
+ case 11: /* ipOutDiscards */
+ *uint_ptr = STATS_GET(mib2.ipoutdiscards);
+ return sizeof(*uint_ptr);
+ case 12: /* ipOutNoRoutes */
+ *uint_ptr = STATS_GET(mib2.ipoutnoroutes);
+ return sizeof(*uint_ptr);
+ case 13: /* ipReasmTimeout */
+#if IP_REASSEMBLY
+ *sint_ptr = IP_REASS_MAXAGE;
+#else
+ *sint_ptr = 0;
+#endif
+ return sizeof(*sint_ptr);
+ case 14: /* ipReasmReqds */
+ *uint_ptr = STATS_GET(mib2.ipreasmreqds);
+ return sizeof(*uint_ptr);
+ case 15: /* ipReasmOKs */
+ *uint_ptr = STATS_GET(mib2.ipreasmoks);
+ return sizeof(*uint_ptr);
+ case 16: /* ipReasmFails */
+ *uint_ptr = STATS_GET(mib2.ipreasmfails);
+ return sizeof(*uint_ptr);
+ case 17: /* ipFragOKs */
+ *uint_ptr = STATS_GET(mib2.ipfragoks);
+ return sizeof(*uint_ptr);
+ case 18: /* ipFragFails */
+ *uint_ptr = STATS_GET(mib2.ipfragfails);
+ return sizeof(*uint_ptr);
+ case 19: /* ipFragCreates */
+ *uint_ptr = STATS_GET(mib2.ipfragcreates);
+ return sizeof(*uint_ptr);
+ case 23: /* ipRoutingDiscards: not supported -> always 0 */
+ *uint_ptr = 0;
+ return sizeof(*uint_ptr);
+ default:
+ LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_get_value(): unknown id: %"S32_F"\n", instance->node->oid));
+ break;
+ }
+
+ return 0;
+}
+
+/**
+ * Test ip object value before setting.
+ *
+ * @param od is the object definition
+ * @param len return value space (in bytes)
+ * @param value points to (varbind) space to copy value from.
+ *
+ * @note we allow set if the value matches the hardwired value,
+ * otherwise return badvalue.
+ */
+static snmp_err_t
+ip_set_test(struct snmp_node_instance* instance, u16_t len, void *value)
+{
+ snmp_err_t ret = SNMP_ERR_WRONGVALUE;
+ s32_t *sint_ptr = (s32_t*)value;
+
+ LWIP_UNUSED_ARG(len);
+ switch (instance->node->oid) {
+ case 1: /* ipForwarding */
+#if IP_FORWARD
+ /* forwarding */
+ if (*sint_ptr == 1)
+#else
+ /* not-forwarding */
+ if (*sint_ptr == 2)
+#endif
+ {
+ ret = SNMP_ERR_NOERROR;
+ }
+ break;
+ case 2: /* ipDefaultTTL */
+ if (*sint_ptr == IP_DEFAULT_TTL) {
+ ret = SNMP_ERR_NOERROR;
+ }
+ break;
+ default:
+ LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_set_test(): unknown id: %"S32_F"\n", instance->node->oid));
+ break;
+ }
+
+ return ret;
+}
+
+static snmp_err_t
+ip_set_value(struct snmp_node_instance* instance, u16_t len, void *value)
+{
+ LWIP_UNUSED_ARG(instance);
+ LWIP_UNUSED_ARG(len);
+ LWIP_UNUSED_ARG(value);
+ /* nothing to do here because in set_test we only accept values being the same as our own stored value -> no need to store anything */
+ return SNMP_ERR_NOERROR;
+}
+
+/* --- ipAddrTable --- */
+
+/* list of allowed value ranges for incoming OID */
+static const struct snmp_oid_range ip_AddrTable_oid_ranges[] = {
+ { 0, 0xff }, /* IP A */
+ { 0, 0xff }, /* IP B */
+ { 0, 0xff }, /* IP C */
+ { 0, 0xff } /* IP D */
+};
+
+static snmp_err_t
+ip_AddrTable_get_cell_value_core(struct netif *netif, const u32_t* column, union snmp_variant_value* value, u32_t* value_len)
+{
+ LWIP_UNUSED_ARG(value_len);
+
+ switch (*column) {
+ case 1: /* ipAdEntAddr */
+ value->u32 = netif_ip4_addr(netif)->addr;
+ break;
+ case 2: /* ipAdEntIfIndex */
+ value->u32 = netif_to_num(netif);
+ break;
+ case 3: /* ipAdEntNetMask */
+ value->u32 = netif_ip4_netmask(netif)->addr;
+ break;
+ case 4: /* ipAdEntBcastAddr */
+ /* lwIP oddity, there's no broadcast
+ address in the netif we can rely on */
+ value->u32 = IPADDR_BROADCAST & 1;
+ break;
+ case 5: /* ipAdEntReasmMaxSize */
+#if IP_REASSEMBLY
+ /* @todo The theoretical maximum is IP_REASS_MAX_PBUFS * size of the pbufs,
+ * but only if receiving one fragmented packet at a time.
+ * The current solution is to calculate for 2 simultaneous packets...
+ */
+ value->u32 = (IP_HLEN + ((IP_REASS_MAX_PBUFS/2) *
+ (PBUF_POOL_BUFSIZE - PBUF_LINK_ENCAPSULATION_HLEN - PBUF_LINK_HLEN - IP_HLEN)));
+#else
+ /** @todo returning MTU would be a bad thing and
+ returning a wild guess like '576' isn't good either */
+ value->u32 = 0;
+#endif
+ break;
+ default:
+ return SNMP_ERR_NOSUCHINSTANCE;
+ }
+
+ return SNMP_ERR_NOERROR;
+}
+
+static snmp_err_t
+ip_AddrTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len)
+{
+ ip4_addr_t ip;
+ struct netif *netif;
+
+ /* check if incoming OID length and if values are in plausible range */
+ if (!snmp_oid_in_range(row_oid, row_oid_len, ip_AddrTable_oid_ranges, LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges))) {
+ return SNMP_ERR_NOSUCHINSTANCE;
+ }
+
+ /* get IP from incoming OID */
+ snmp_oid_to_ip4(&row_oid[0], &ip); /* we know it succeeds because of oid_in_range check above */
+
+ /* find netif with requested ip */
+ netif = netif_list;
+ while (netif != NULL) {
+ if (ip4_addr_cmp(&ip, netif_ip4_addr(netif))) {
+ /* fill in object properties */
+ return ip_AddrTable_get_cell_value_core(netif, column, value, value_len);
+ }
+
+ netif = netif->next;
+ }
+
+ /* not found */
+ return SNMP_ERR_NOSUCHINSTANCE;
+}
+
+static snmp_err_t
+ip_AddrTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
+{
+ struct netif *netif;
+ struct snmp_next_oid_state state;
+ u32_t result_temp[LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges)];
+
+ /* init struct to search next oid */
+ snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges));
+
+ /* iterate over all possible OIDs to find the next one */
+ netif = netif_list;
+ while (netif != NULL) {
+ u32_t test_oid[LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges)];
+ snmp_ip4_to_oid(netif_ip4_addr(netif), &test_oid[0]);
+
+ /* check generated OID: is it a candidate for the next one? */
+ snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges), netif);
+
+ netif = netif->next;
+ }
+
+ /* did we find a next one? */
+ if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
+ snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
+ /* fill in object properties */
+ return ip_AddrTable_get_cell_value_core((struct netif*)state.reference, column, value, value_len);
+ }
+
+ /* not found */
+ return SNMP_ERR_NOSUCHINSTANCE;
+}
+
+/* --- ipRouteTable --- */
+
+/* list of allowed value ranges for incoming OID */
+static const struct snmp_oid_range ip_RouteTable_oid_ranges[] = {
+ { 0, 0xff }, /* IP A */
+ { 0, 0xff }, /* IP B */
+ { 0, 0xff }, /* IP C */
+ { 0, 0xff }, /* IP D */
+};
+
+static snmp_err_t
+ip_RouteTable_get_cell_value_core(struct netif *netif, u8_t default_route, const u32_t* column, union snmp_variant_value* value, u32_t* value_len)
+{
+ switch (*column) {
+ case 1: /* ipRouteDest */
+ if (default_route) {
+ /* default rte has 0.0.0.0 dest */
+ value->u32 = IP4_ADDR_ANY->addr;
+ } else {
+ /* netifs have netaddress dest */
+ ip4_addr_t tmp;
+ ip4_addr_get_network(&tmp, netif_ip4_addr(netif), netif_ip4_netmask(netif));
+ value->u32 = tmp.addr;
+ }
+ break;
+ case 2: /* ipRouteIfIndex */
+ value->u32 = netif_to_num(netif);
+ break;
+ case 3: /* ipRouteMetric1 */
+ if (default_route) {
+ value->s32 = 1; /* default */
+ } else {
+ value->s32 = 0; /* normal */
+ }
+ break;
+ case 4: /* ipRouteMetric2 */
+ case 5: /* ipRouteMetric3 */
+ case 6: /* ipRouteMetric4 */
+ value->s32 = -1; /* none */
+ break;
+ case 7: /* ipRouteNextHop */
+ if (default_route) {
+ /* default rte: gateway */
+ value->u32 = netif_ip4_gw(netif)->addr;
+ } else {
+ /* other rtes: netif ip_addr */
+ value->u32 = netif_ip4_addr(netif)->addr;
+ }
+ break;
+ case 8: /* ipRouteType */
+ if (default_route) {
+ /* default rte is indirect */
+ value->u32 = 4; /* indirect */
+ } else {
+ /* other rtes are direct */
+ value->u32 = 3; /* direct */
+ }
+ break;
+ case 9: /* ipRouteProto */
+ /* locally defined routes */
+ value->u32 = 2; /* local */
+ break;
+ case 10: /* ipRouteAge */
+ /* @todo (sysuptime - timestamp last change) / 100 */
+ value->u32 = 0;
+ break;
+ case 11: /* ipRouteMask */
+ if (default_route) {
+ /* default rte use 0.0.0.0 mask */
+ value->u32 = IP4_ADDR_ANY->addr;
+ } else {
+ /* other rtes use netmask */
+ value->u32 = netif_ip4_netmask(netif)->addr;
+ }
+ break;
+ case 12: /* ipRouteMetric5 */
+ value->s32 = -1; /* none */
+ break;
+ case 13: /* ipRouteInfo */
+ value->const_ptr = snmp_zero_dot_zero.id;
+ *value_len = snmp_zero_dot_zero.len * sizeof(u32_t);
+ break;
+ default:
+ return SNMP_ERR_NOSUCHINSTANCE;
+ }
+
+ return SNMP_ERR_NOERROR;
+}
+
+static snmp_err_t
+ip_RouteTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len)
+{
+ ip4_addr_t test_ip;
+ struct netif *netif;
+
+ /* check if incoming OID length and if values are in plausible range */
+ if (!snmp_oid_in_range(row_oid, row_oid_len, ip_RouteTable_oid_ranges, LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges))) {
+ return SNMP_ERR_NOSUCHINSTANCE;
+ }
+
+ /* get IP and port from incoming OID */
+ snmp_oid_to_ip4(&row_oid[0], &test_ip); /* we know it succeeds because of oid_in_range check above */
+
+ /* default route is on default netif */
+ if (ip4_addr_isany_val(test_ip) && (netif_default != NULL)) {
+ /* fill in object properties */
+ return ip_RouteTable_get_cell_value_core(netif_default, 1, column, value, value_len);
+ }
+
+ /* find netif with requested route */
+ netif = netif_list;
+ while (netif != NULL) {
+ ip4_addr_t dst;
+ ip4_addr_get_network(&dst, netif_ip4_addr(netif), netif_ip4_netmask(netif));
+
+ if (ip4_addr_cmp(&dst, &test_ip)) {
+ /* fill in object properties */
+ return ip_RouteTable_get_cell_value_core(netif, 0, column, value, value_len);
+ }
+
+ netif = netif->next;
+ }
+
+ /* not found */
+ return SNMP_ERR_NOSUCHINSTANCE;
+}
+
+static snmp_err_t
+ip_RouteTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
+{
+ struct netif *netif;
+ struct snmp_next_oid_state state;
+ u32_t result_temp[LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges)];
+ u32_t test_oid[LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges)];
+
+ /* init struct to search next oid */
+ snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges));
+
+ /* check default route */
+ if (netif_default != NULL) {
+ snmp_ip4_to_oid(IP4_ADDR_ANY, &test_oid[0]);
+ snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges), netif_default);
+ }
+
+ /* iterate over all possible OIDs to find the next one */
+ netif = netif_list;
+ while (netif != NULL) {
+ ip4_addr_t dst;
+ ip4_addr_get_network(&dst, netif_ip4_addr(netif), netif_ip4_netmask(netif));
+
+ /* check generated OID: is it a candidate for the next one? */
+ if (!ip4_addr_isany_val(dst)) {
+ snmp_ip4_to_oid(&dst, &test_oid[0]);
+ snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges), netif);
+ }
+
+ netif = netif->next;
+ }
+
+ /* did we find a next one? */
+ if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
+ ip4_addr_t dst;
+ snmp_oid_to_ip4(&result_temp[0], &dst);
+ snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
+ /* fill in object properties */
+ return ip_RouteTable_get_cell_value_core((struct netif*)state.reference, ip4_addr_isany_val(dst), column, value, value_len);
+ } else {
+ /* not found */
+ return SNMP_ERR_NOSUCHINSTANCE;
+ }
+}
+
+#if LWIP_ARP && LWIP_IPV4
+/* --- ipNetToMediaTable --- */
+
+/* list of allowed value ranges for incoming OID */
+static const struct snmp_oid_range ip_NetToMediaTable_oid_ranges[] = {
+ { 1, 0xff }, /* IfIndex */
+ { 0, 0xff }, /* IP A */
+ { 0, 0xff }, /* IP B */
+ { 0, 0xff }, /* IP C */
+ { 0, 0xff } /* IP D */
+};
+
+static snmp_err_t
+ip_NetToMediaTable_get_cell_value_core(u8_t arp_table_index, const u32_t* column, union snmp_variant_value* value, u32_t* value_len)
+{
+ ip4_addr_t *ip;
+ struct netif *netif;
+ struct eth_addr *ethaddr;
+
+ etharp_get_entry(arp_table_index, &ip, &netif, ðaddr);
+
+ /* value */
+ switch (*column) {
+ case 1: /* atIfIndex / ipNetToMediaIfIndex */
+ value->u32 = netif_to_num(netif);
+ break;
+ case 2: /* atPhysAddress / ipNetToMediaPhysAddress */
+ value->ptr = ethaddr;
+ *value_len = sizeof(*ethaddr);
+ break;
+ case 3: /* atNetAddress / ipNetToMediaNetAddress */
+ value->u32 = ip->addr;
+ break;
+ case 4: /* ipNetToMediaType */
+ value->u32 = 3; /* dynamic*/
+ break;
+ default:
+ return SNMP_ERR_NOSUCHINSTANCE;
+ }
+
+ return SNMP_ERR_NOERROR;
+}
+
+static snmp_err_t
+ip_NetToMediaTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len)
+{
+ ip4_addr_t ip_in;
+ u8_t netif_index;
+ u8_t i;
+
+ /* check if incoming OID length and if values are in plausible range */
+ if (!snmp_oid_in_range(row_oid, row_oid_len, ip_NetToMediaTable_oid_ranges, LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges))) {
+ return SNMP_ERR_NOSUCHINSTANCE;
+ }
+
+ /* get IP from incoming OID */
+ netif_index = (u8_t)row_oid[0];
+ snmp_oid_to_ip4(&row_oid[1], &ip_in); /* we know it succeeds because of oid_in_range check above */
+
+ /* find requested entry */
+ for (i=0; i<ARP_TABLE_SIZE; i++) {
+ ip4_addr_t *ip;
+ struct netif *netif;
+ struct eth_addr *ethaddr;
+
+ if (etharp_get_entry(i, &ip, &netif, ðaddr)) {
+ if ((netif_index == netif_to_num(netif)) && ip4_addr_cmp(&ip_in, ip)) {
+ /* fill in object properties */
+ return ip_NetToMediaTable_get_cell_value_core(i, column, value, value_len);
+ }
+ }
+ }
+
+ /* not found */
+ return SNMP_ERR_NOSUCHINSTANCE;
+}
+
+static snmp_err_t
+ip_NetToMediaTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
+{
+ u8_t i;
+ struct snmp_next_oid_state state;
+ u32_t result_temp[LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges)];
+
+ /* init struct to search next oid */
+ snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges));
+
+ /* iterate over all possible OIDs to find the next one */
+ for (i=0; i<ARP_TABLE_SIZE; i++) {
+ ip4_addr_t *ip;
+ struct netif *netif;
+ struct eth_addr *ethaddr;
+
+ if (etharp_get_entry(i, &ip, &netif, ðaddr)) {
+ u32_t test_oid[LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges)];
+
+ test_oid[0] = netif_to_num(netif);
+ snmp_ip4_to_oid(ip, &test_oid[1]);
+
+ /* check generated OID: is it a candidate for the next one? */
+ snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges), (void*)(size_t)i);
+ }
+ }
+
+ /* did we find a next one? */
+ if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
+ snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
+ /* fill in object properties */
+ return ip_NetToMediaTable_get_cell_value_core((u8_t)(size_t)state.reference, column, value, value_len);
+ }
+
+ /* not found */
+ return SNMP_ERR_NOSUCHINSTANCE;
+}
+
+#endif /* LWIP_ARP && LWIP_IPV4 */
+
+static const struct snmp_scalar_node ip_Forwarding = SNMP_SCALAR_CREATE_NODE(1, SNMP_NODE_INSTANCE_READ_WRITE, SNMP_ASN1_TYPE_INTEGER, ip_get_value, ip_set_test, ip_set_value);
+static const struct snmp_scalar_node ip_DefaultTTL = SNMP_SCALAR_CREATE_NODE(2, SNMP_NODE_INSTANCE_READ_WRITE, SNMP_ASN1_TYPE_INTEGER, ip_get_value, ip_set_test, ip_set_value);
+static const struct snmp_scalar_node ip_InReceives = SNMP_SCALAR_CREATE_NODE_READONLY(3, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_InHdrErrors = SNMP_SCALAR_CREATE_NODE_READONLY(4, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_InAddrErrors = SNMP_SCALAR_CREATE_NODE_READONLY(5, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_ForwDatagrams = SNMP_SCALAR_CREATE_NODE_READONLY(6, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_InUnknownProtos = SNMP_SCALAR_CREATE_NODE_READONLY(7, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_InDiscards = SNMP_SCALAR_CREATE_NODE_READONLY(8, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_InDelivers = SNMP_SCALAR_CREATE_NODE_READONLY(9, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_OutRequests = SNMP_SCALAR_CREATE_NODE_READONLY(10, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_OutDiscards = SNMP_SCALAR_CREATE_NODE_READONLY(11, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_OutNoRoutes = SNMP_SCALAR_CREATE_NODE_READONLY(12, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_ReasmTimeout = SNMP_SCALAR_CREATE_NODE_READONLY(13, SNMP_ASN1_TYPE_INTEGER, ip_get_value);
+static const struct snmp_scalar_node ip_ReasmReqds = SNMP_SCALAR_CREATE_NODE_READONLY(14, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_ReasmOKs = SNMP_SCALAR_CREATE_NODE_READONLY(15, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_ReasmFails = SNMP_SCALAR_CREATE_NODE_READONLY(16, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_FragOKs = SNMP_SCALAR_CREATE_NODE_READONLY(17, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_FragFails = SNMP_SCALAR_CREATE_NODE_READONLY(18, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_FragCreates = SNMP_SCALAR_CREATE_NODE_READONLY(19, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+static const struct snmp_scalar_node ip_RoutingDiscards = SNMP_SCALAR_CREATE_NODE_READONLY(23, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
+
+static const struct snmp_table_simple_col_def ip_AddrTable_columns[] = {
+ { 1, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipAdEntAddr */
+ { 2, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipAdEntIfIndex */
+ { 3, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipAdEntNetMask */
+ { 4, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipAdEntBcastAddr */
+ { 5, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 } /* ipAdEntReasmMaxSize */
+};
+
+static const struct snmp_table_simple_node ip_AddrTable = SNMP_TABLE_CREATE_SIMPLE(20, ip_AddrTable_columns, ip_AddrTable_get_cell_value, ip_AddrTable_get_next_cell_instance_and_value);
+
+static const struct snmp_table_simple_col_def ip_RouteTable_columns[] = {
+ { 1, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteDest */
+ { 2, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteIfIndex */
+ { 3, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_S32 }, /* ipRouteMetric1 */
+ { 4, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_S32 }, /* ipRouteMetric2 */
+ { 5, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_S32 }, /* ipRouteMetric3 */
+ { 6, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_S32 }, /* ipRouteMetric4 */
+ { 7, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteNextHop */
+ { 8, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteType */
+ { 9, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteProto */
+ { 10, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteAge */
+ { 11, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteMask */
+ { 12, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_S32 }, /* ipRouteMetric5 */
+ { 13, SNMP_ASN1_TYPE_OBJECT_ID, SNMP_VARIANT_VALUE_TYPE_PTR } /* ipRouteInfo */
+};
+
+static const struct snmp_table_simple_node ip_RouteTable = SNMP_TABLE_CREATE_SIMPLE(21, ip_RouteTable_columns, ip_RouteTable_get_cell_value, ip_RouteTable_get_next_cell_instance_and_value);
+#endif /* LWIP_IPV4 */
+
+#if LWIP_ARP && LWIP_IPV4
+static const struct snmp_table_simple_col_def ip_NetToMediaTable_columns[] = {
+ { 1, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipNetToMediaIfIndex */
+ { 2, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_VARIANT_VALUE_TYPE_PTR }, /* ipNetToMediaPhysAddress */
+ { 3, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipNetToMediaNetAddress */
+ { 4, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 } /* ipNetToMediaType */
+};
+
+static const struct snmp_table_simple_node ip_NetToMediaTable = SNMP_TABLE_CREATE_SIMPLE(22, ip_NetToMediaTable_columns, ip_NetToMediaTable_get_cell_value, ip_NetToMediaTable_get_next_cell_instance_and_value);
+#endif /* LWIP_ARP && LWIP_IPV4 */
+
+#if LWIP_IPV4
+/* the following nodes access variables in LWIP stack from SNMP worker thread and must therefore be synced to LWIP (TCPIP) thread */
+CREATE_LWIP_SYNC_NODE( 1, ip_Forwarding)
+CREATE_LWIP_SYNC_NODE( 2, ip_DefaultTTL)
+CREATE_LWIP_SYNC_NODE( 3, ip_InReceives)
+CREATE_LWIP_SYNC_NODE( 4, ip_InHdrErrors)
+CREATE_LWIP_SYNC_NODE( 5, ip_InAddrErrors)
+CREATE_LWIP_SYNC_NODE( 6, ip_ForwDatagrams)
+CREATE_LWIP_SYNC_NODE( 7, ip_InUnknownProtos)
+CREATE_LWIP_SYNC_NODE( 8, ip_InDiscards)
+CREATE_LWIP_SYNC_NODE( 9, ip_InDelivers)
+CREATE_LWIP_SYNC_NODE(10, ip_OutRequests)
+CREATE_LWIP_SYNC_NODE(11, ip_OutDiscards)
+CREATE_LWIP_SYNC_NODE(12, ip_OutNoRoutes)
+CREATE_LWIP_SYNC_NODE(13, ip_ReasmTimeout)
+CREATE_LWIP_SYNC_NODE(14, ip_ReasmReqds)
+CREATE_LWIP_SYNC_NODE(15, ip_ReasmOKs)
+CREATE_LWIP_SYNC_NODE(15, ip_ReasmFails)
+CREATE_LWIP_SYNC_NODE(17, ip_FragOKs)
+CREATE_LWIP_SYNC_NODE(18, ip_FragFails)
+CREATE_LWIP_SYNC_NODE(19, ip_FragCreates)
+CREATE_LWIP_SYNC_NODE(20, ip_AddrTable)
+CREATE_LWIP_SYNC_NODE(21, ip_RouteTable)
+#if LWIP_ARP
+CREATE_LWIP_SYNC_NODE(22, ip_NetToMediaTable)
+#endif /* LWIP_ARP */
+CREATE_LWIP_SYNC_NODE(23, ip_RoutingDiscards)
+
+static const struct snmp_node* const ip_nodes[] = {
+ &SYNC_NODE_NAME(ip_Forwarding).node.node,
+ &SYNC_NODE_NAME(ip_DefaultTTL).node.node,
+ &SYNC_NODE_NAME(ip_InReceives).node.node,
+ &SYNC_NODE_NAME(ip_InHdrErrors).node.node,
+ &SYNC_NODE_NAME(ip_InAddrErrors).node.node,
+ &SYNC_NODE_NAME(ip_ForwDatagrams).node.node,
+ &SYNC_NODE_NAME(ip_InUnknownProtos).node.node,
+ &SYNC_NODE_NAME(ip_InDiscards).node.node,
+ &SYNC_NODE_NAME(ip_InDelivers).node.node,
+ &SYNC_NODE_NAME(ip_OutRequests).node.node,
+ &SYNC_NODE_NAME(ip_OutDiscards).node.node,
+ &SYNC_NODE_NAME(ip_OutNoRoutes).node.node,
+ &SYNC_NODE_NAME(ip_ReasmTimeout).node.node,
+ &SYNC_NODE_NAME(ip_ReasmReqds).node.node,
+ &SYNC_NODE_NAME(ip_ReasmOKs).node.node,
+ &SYNC_NODE_NAME(ip_ReasmFails).node.node,
+ &SYNC_NODE_NAME(ip_FragOKs).node.node,
+ &SYNC_NODE_NAME(ip_FragFails).node.node,
+ &SYNC_NODE_NAME(ip_FragCreates).node.node,
+ &SYNC_NODE_NAME(ip_AddrTable).node.node,
+ &SYNC_NODE_NAME(ip_RouteTable).node.node,
+#if LWIP_ARP
+ &SYNC_NODE_NAME(ip_NetToMediaTable).node.node,
+#endif /* LWIP_ARP */
+ &SYNC_NODE_NAME(ip_RoutingDiscards).node.node
+};
+
+const struct snmp_tree_node snmp_mib2_ip_root = SNMP_CREATE_TREE_NODE(4, ip_nodes);
+#endif /* LWIP_IPV4 */
+
+/* --- at .1.3.6.1.2.1.3 ----------------------------------------------------- */
+
+#if LWIP_ARP && LWIP_IPV4
+/* at node table is a subset of ip_nettomedia table (same rows but less columns) */
+static const struct snmp_table_simple_col_def at_Table_columns[] = {
+ { 1, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* atIfIndex */
+ { 2, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_VARIANT_VALUE_TYPE_PTR }, /* atPhysAddress */
+ { 3, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 } /* atNetAddress */
+};
+
+static const struct snmp_table_simple_node at_Table = SNMP_TABLE_CREATE_SIMPLE(1, at_Table_columns, ip_NetToMediaTable_get_cell_value, ip_NetToMediaTable_get_next_cell_instance_and_value);
+
+/* the following nodes access variables in LWIP stack from SNMP worker thread and must therefore be synced to LWIP (TCPIP) thread */
+CREATE_LWIP_SYNC_NODE(1, at_Table)
+
+static const struct snmp_node* const at_nodes[] = {
+ &SYNC_NODE_NAME(at_Table).node.node
+};
+
+const struct snmp_tree_node snmp_mib2_at_root = SNMP_CREATE_TREE_NODE(3, at_nodes);
+#endif /* LWIP_ARP && LWIP_IPV4 */
+
+#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/f5a0f2a0/net/ip/lwip_base/src/apps/snmp/snmp_mib2_snmp.c
----------------------------------------------------------------------
diff --git a/net/ip/lwip_base/src/apps/snmp/snmp_mib2_snmp.c b/net/ip/lwip_base/src/apps/snmp/snmp_mib2_snmp.c
new file mode 100644
index 0000000..8a36d61
--- /dev/null
+++ b/net/ip/lwip_base/src/apps/snmp/snmp_mib2_snmp.c
@@ -0,0 +1,227 @@
+/**
+ * @file
+ * Management Information Base II (RFC1213) SNMP objects and functions.
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Dirk Ziegelmeier <dz...@gmx.de>
+ * Christiaan Simons <ch...@axon.tv>
+ */
+
+#include "lwip/snmp.h"
+#include "lwip/apps/snmp.h"
+#include "lwip/apps/snmp_core.h"
+#include "lwip/apps/snmp_mib2.h"
+#include "lwip/apps/snmp_scalar.h"
+
+#if LWIP_SNMP && SNMP_LWIP_MIB2
+
+#define MIB2_AUTH_TRAPS_ENABLED 1
+#define MIB2_AUTH_TRAPS_DISABLED 2
+
+/* --- snmp .1.3.6.1.2.1.11 ----------------------------------------------------- */
+static s16_t
+snmp_get_value(const struct snmp_scalar_array_node_def *node, void *value)
+{
+ u32_t *uint_ptr = (u32_t*)value;
+ switch (node->oid) {
+ case 1: /* snmpInPkts */
+ *uint_ptr = snmp_stats.inpkts;
+ break;
+ case 2: /* snmpOutPkts */
+ *uint_ptr = snmp_stats.outpkts;
+ break;
+ case 3: /* snmpInBadVersions */
+ *uint_ptr = snmp_stats.inbadversions;
+ break;
+ case 4: /* snmpInBadCommunityNames */
+ *uint_ptr = snmp_stats.inbadcommunitynames;
+ break;
+ case 5: /* snmpInBadCommunityUses */
+ *uint_ptr = snmp_stats.inbadcommunityuses;
+ break;
+ case 6: /* snmpInASNParseErrs */
+ *uint_ptr = snmp_stats.inasnparseerrs;
+ break;
+ case 8: /* snmpInTooBigs */
+ *uint_ptr = snmp_stats.intoobigs;
+ break;
+ case 9: /* snmpInNoSuchNames */
+ *uint_ptr = snmp_stats.innosuchnames;
+ break;
+ case 10: /* snmpInBadValues */
+ *uint_ptr = snmp_stats.inbadvalues;
+ break;
+ case 11: /* snmpInReadOnlys */
+ *uint_ptr = snmp_stats.inreadonlys;
+ break;
+ case 12: /* snmpInGenErrs */
+ *uint_ptr = snmp_stats.ingenerrs;
+ break;
+ case 13: /* snmpInTotalReqVars */
+ *uint_ptr = snmp_stats.intotalreqvars;
+ break;
+ case 14: /* snmpInTotalSetVars */
+ *uint_ptr = snmp_stats.intotalsetvars;
+ break;
+ case 15: /* snmpInGetRequests */
+ *uint_ptr = snmp_stats.ingetrequests;
+ break;
+ case 16: /* snmpInGetNexts */
+ *uint_ptr = snmp_stats.ingetnexts;
+ break;
+ case 17: /* snmpInSetRequests */
+ *uint_ptr = snmp_stats.insetrequests;
+ break;
+ case 18: /* snmpInGetResponses */
+ *uint_ptr = snmp_stats.ingetresponses;
+ break;
+ case 19: /* snmpInTraps */
+ *uint_ptr = snmp_stats.intraps;
+ break;
+ case 20: /* snmpOutTooBigs */
+ *uint_ptr = snmp_stats.outtoobigs;
+ break;
+ case 21: /* snmpOutNoSuchNames */
+ *uint_ptr = snmp_stats.outnosuchnames;
+ break;
+ case 22: /* snmpOutBadValues */
+ *uint_ptr = snmp_stats.outbadvalues;
+ break;
+ case 24: /* snmpOutGenErrs */
+ *uint_ptr = snmp_stats.outgenerrs;
+ break;
+ case 25: /* snmpOutGetRequests */
+ *uint_ptr = snmp_stats.outgetrequests;
+ break;
+ case 26: /* snmpOutGetNexts */
+ *uint_ptr = snmp_stats.outgetnexts;
+ break;
+ case 27: /* snmpOutSetRequests */
+ *uint_ptr = snmp_stats.outsetrequests;
+ break;
+ case 28: /* snmpOutGetResponses */
+ *uint_ptr = snmp_stats.outgetresponses;
+ break;
+ case 29: /* snmpOutTraps */
+ *uint_ptr = snmp_stats.outtraps;
+ break;
+ case 30: /* snmpEnableAuthenTraps */
+ if (snmp_get_auth_traps_enabled() == SNMP_AUTH_TRAPS_DISABLED) {
+ *uint_ptr = MIB2_AUTH_TRAPS_DISABLED;
+ } else {
+ *uint_ptr = MIB2_AUTH_TRAPS_ENABLED;
+ }
+ break;
+ case 31: /* snmpSilentDrops */
+ *uint_ptr = 0; /* not supported */
+ break;
+ case 32: /* snmpProxyDrops */
+ *uint_ptr = 0; /* not supported */
+ break;
+ default:
+ LWIP_DEBUGF(SNMP_MIB_DEBUG,("snmp_get_value(): unknown id: %"S32_F"\n", node->oid));
+ return 0;
+ }
+
+ return sizeof(*uint_ptr);
+}
+
+static snmp_err_t
+snmp_set_test(const struct snmp_scalar_array_node_def *node, u16_t len, void *value)
+{
+ snmp_err_t ret = SNMP_ERR_WRONGVALUE;
+ LWIP_UNUSED_ARG(len);
+
+ if (node->oid == 30) {
+ /* snmpEnableAuthenTraps */
+ s32_t *sint_ptr = (s32_t*)value;
+
+ /* we should have writable non-volatile mem here */
+ if ((*sint_ptr == MIB2_AUTH_TRAPS_DISABLED) || (*sint_ptr == MIB2_AUTH_TRAPS_ENABLED)) {
+ ret = SNMP_ERR_NOERROR;
+ }
+ }
+ return ret;
+}
+
+static snmp_err_t
+snmp_set_value(const struct snmp_scalar_array_node_def *node, u16_t len, void *value)
+{
+ LWIP_UNUSED_ARG(len);
+
+ if (node->oid == 30) {
+ /* snmpEnableAuthenTraps */
+ s32_t *sint_ptr = (s32_t*)value;
+ if (*sint_ptr == MIB2_AUTH_TRAPS_DISABLED) {
+ snmp_set_auth_traps_enabled(SNMP_AUTH_TRAPS_DISABLED);
+ } else {
+ snmp_set_auth_traps_enabled(SNMP_AUTH_TRAPS_ENABLED);
+ }
+ }
+
+ return SNMP_ERR_NOERROR;
+}
+
+/* the following nodes access variables in SNMP stack (snmp_stats) from SNMP worker thread -> OK, no sync needed */
+static const struct snmp_scalar_array_node_def snmp_nodes[] = {
+ { 1, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInPkts */
+ { 2, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutPkts */
+ { 3, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadVersions */
+ { 4, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadCommunityNames */
+ { 5, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadCommunityUses */
+ { 6, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInASNParseErrs */
+ { 8, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTooBigs */
+ { 9, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInNoSuchNames */
+ {10, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadValues */
+ {11, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInReadOnlys */
+ {12, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGenErrs */
+ {13, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTotalReqVars */
+ {14, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTotalSetVars */
+ {15, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetRequests */
+ {16, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetNexts */
+ {17, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInSetRequests */
+ {18, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetResponses */
+ {19, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTraps */
+ {20, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutTooBigs */
+ {21, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutNoSuchNames */
+ {22, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutBadValues */
+ {24, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGenErrs */
+ {25, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetRequests */
+ {26, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetNexts */
+ {27, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutSetRequests */
+ {28, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetResponses */
+ {29, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutTraps */
+ {30, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_WRITE}, /* snmpEnableAuthenTraps */
+ {31, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpSilentDrops */
+ {32, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY} /* snmpProxyDrops */
+};
+
+const struct snmp_scalar_array_node snmp_mib2_snmp_root = SNMP_SCALAR_CREATE_ARRAY_NODE(11, snmp_nodes, snmp_get_value, snmp_set_test, snmp_set_value);
+
+#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/f5a0f2a0/net/ip/lwip_base/src/apps/snmp/snmp_mib2_system.c
----------------------------------------------------------------------
diff --git a/net/ip/lwip_base/src/apps/snmp/snmp_mib2_system.c b/net/ip/lwip_base/src/apps/snmp/snmp_mib2_system.c
new file mode 100644
index 0000000..90e5780
--- /dev/null
+++ b/net/ip/lwip_base/src/apps/snmp/snmp_mib2_system.c
@@ -0,0 +1,377 @@
+/**
+ * @file
+ * Management Information Base II (RFC1213) SYSTEM objects and functions.
+ */
+
+/*
+ * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Dirk Ziegelmeier <dz...@gmx.de>
+ * Christiaan Simons <ch...@axon.tv>
+ */
+
+#include "lwip/snmp.h"
+#include "lwip/apps/snmp.h"
+#include "lwip/apps/snmp_core.h"
+#include "lwip/apps/snmp_mib2.h"
+#include "lwip/apps/snmp_table.h"
+#include "lwip/apps/snmp_scalar.h"
+#include "lwip/sys.h"
+
+#include <string.h>
+
+#if LWIP_SNMP && SNMP_LWIP_MIB2
+
+#if SNMP_USE_NETCONN
+#define SYNC_NODE_NAME(node_name) node_name ## _synced
+#define CREATE_LWIP_SYNC_NODE(oid, node_name) \
+ static const struct snmp_threadsync_node node_name ## _synced = SNMP_CREATE_THREAD_SYNC_NODE(oid, &node_name.node, &snmp_mib2_lwip_locks);
+#else
+#define SYNC_NODE_NAME(node_name) node_name
+#define CREATE_LWIP_SYNC_NODE(oid, node_name)
+#endif
+
+/* --- system .1.3.6.1.2.1.1 ----------------------------------------------------- */
+
+/** mib-2.system.sysDescr */
+static const u8_t sysdescr_default[] = SNMP_LWIP_MIB2_SYSDESC;
+static const u8_t* sysdescr = sysdescr_default;
+static const u16_t* sysdescr_len = NULL; /* use strlen for determining len */
+
+/** mib-2.system.sysContact */
+static const u8_t syscontact_default[] = SNMP_LWIP_MIB2_SYSCONTACT;
+static const u8_t* syscontact = syscontact_default;
+static const u16_t* syscontact_len = NULL; /* use strlen for determining len */
+static u8_t* syscontact_wr = NULL; /* if writable, points to the same buffer as syscontact (required for correct constness) */
+static u16_t* syscontact_wr_len = NULL; /* if writable, points to the same buffer as syscontact_len (required for correct constness) */
+static u16_t syscontact_bufsize = 0; /* 0=not writable */
+
+/** mib-2.system.sysName */
+static const u8_t sysname_default[] = SNMP_LWIP_MIB2_SYSNAME;
+static const u8_t* sysname = sysname_default;
+static const u16_t* sysname_len = NULL; /* use strlen for determining len */
+static u8_t* sysname_wr = NULL; /* if writable, points to the same buffer as sysname (required for correct constness) */
+static u16_t* sysname_wr_len = NULL; /* if writable, points to the same buffer as sysname_len (required for correct constness) */
+static u16_t sysname_bufsize = 0; /* 0=not writable */
+
+/** mib-2.system.sysLocation */
+static const u8_t syslocation_default[] = SNMP_LWIP_MIB2_SYSLOCATION;
+static const u8_t* syslocation = syslocation_default;
+static const u16_t* syslocation_len = NULL; /* use strlen for determining len */
+static u8_t* syslocation_wr = NULL; /* if writable, points to the same buffer as syslocation (required for correct constness) */
+static u16_t* syslocation_wr_len = NULL; /* if writable, points to the same buffer as syslocation_len (required for correct constness) */
+static u16_t syslocation_bufsize = 0; /* 0=not writable */
+
+/**
+ * @ingroup snmp_mib2
+ * Initializes sysDescr pointers.
+ *
+ * @param str if non-NULL then copy str pointer
+ * @param len points to string length, excluding zero terminator
+ */
+void
+snmp_mib2_set_sysdescr(const u8_t *str, const u16_t *len)
+{
+ if (str != NULL) {
+ sysdescr = str;
+ sysdescr_len = len;
+ }
+}
+
+/**
+ * @ingroup snmp_mib2
+ * Initializes sysContact pointers
+ *
+ * @param ocstr if non-NULL then copy str pointer
+ * @param ocstrlen points to string length, excluding zero terminator.
+ * if set to NULL it is assumed that ocstr is NULL-terminated.
+ * @param bufsize size of the buffer in bytes.
+ * (this is required because the buffer can be overwritten by snmp-set)
+ * if ocstrlen is NULL buffer needs space for terminating 0 byte.
+ * otherwise complete buffer is used for string.
+ * if bufsize is set to 0, the value is regarded as read-only.
+ */
+void
+snmp_mib2_set_syscontact(u8_t *ocstr, u16_t *ocstrlen, u16_t bufsize)
+{
+ if (ocstr != NULL) {
+ syscontact = ocstr;
+ syscontact_wr = ocstr;
+ syscontact_len = ocstrlen;
+ syscontact_wr_len = ocstrlen;
+ syscontact_bufsize = bufsize;
+ }
+}
+
+/**
+ * @ingroup snmp_mib2
+ * see \ref snmp_mib2_set_syscontact but set pointer to readonly memory
+ */
+void
+snmp_mib2_set_syscontact_readonly(const u8_t *ocstr, const u16_t *ocstrlen)
+{
+ if (ocstr != NULL) {
+ syscontact = ocstr;
+ syscontact_len = ocstrlen;
+ syscontact_wr = NULL;
+ syscontact_wr_len = NULL;
+ syscontact_bufsize = 0;
+ }
+}
+
+
+/**
+ * @ingroup snmp_mib2
+ * Initializes sysName pointers
+ *
+ * @param ocstr if non-NULL then copy str pointer
+ * @param ocstrlen points to string length, excluding zero terminator.
+ * if set to NULL it is assumed that ocstr is NULL-terminated.
+ * @param bufsize size of the buffer in bytes.
+ * (this is required because the buffer can be overwritten by snmp-set)
+ * if ocstrlen is NULL buffer needs space for terminating 0 byte.
+ * otherwise complete buffer is used for string.
+ * if bufsize is set to 0, the value is regarded as read-only.
+ */
+void
+snmp_mib2_set_sysname(u8_t *ocstr, u16_t *ocstrlen, u16_t bufsize)
+{
+ if (ocstr != NULL) {
+ sysname = ocstr;
+ sysname_wr = ocstr;
+ sysname_len = ocstrlen;
+ sysname_wr_len = ocstrlen;
+ sysname_bufsize = bufsize;
+ }
+}
+
+/**
+ * @ingroup snmp_mib2
+ * see \ref snmp_mib2_set_sysname but set pointer to readonly memory
+ */
+void
+snmp_mib2_set_sysname_readonly(const u8_t *ocstr, const u16_t *ocstrlen)
+{
+ if (ocstr != NULL) {
+ sysname = ocstr;
+ sysname_len = ocstrlen;
+ sysname_wr = NULL;
+ sysname_wr_len = NULL;
+ sysname_bufsize = 0;
+ }
+}
+
+/**
+ * @ingroup snmp_mib2
+ * Initializes sysLocation pointers
+ *
+ * @param ocstr if non-NULL then copy str pointer
+ * @param ocstrlen points to string length, excluding zero terminator.
+ * if set to NULL it is assumed that ocstr is NULL-terminated.
+ * @param bufsize size of the buffer in bytes.
+ * (this is required because the buffer can be overwritten by snmp-set)
+ * if ocstrlen is NULL buffer needs space for terminating 0 byte.
+ * otherwise complete buffer is used for string.
+ * if bufsize is set to 0, the value is regarded as read-only.
+ */
+void
+snmp_mib2_set_syslocation(u8_t *ocstr, u16_t *ocstrlen, u16_t bufsize)
+{
+ if (ocstr != NULL) {
+ syslocation = ocstr;
+ syslocation_wr = ocstr;
+ syslocation_len = ocstrlen;
+ syslocation_wr_len = ocstrlen;
+ syslocation_bufsize = bufsize;
+ }
+}
+
+/**
+ * @ingroup snmp_mib2
+ * see \ref snmp_mib2_set_syslocation but set pointer to readonly memory
+ */
+void
+snmp_mib2_set_syslocation_readonly(const u8_t *ocstr, const u16_t *ocstrlen)
+{
+ if (ocstr != NULL) {
+ syslocation = ocstr;
+ syslocation_len = ocstrlen;
+ syslocation_wr = NULL;
+ syslocation_wr_len = NULL;
+ syslocation_bufsize = 0;
+ }
+}
+
+
+static s16_t
+system_get_value(const struct snmp_scalar_array_node_def *node, void *value)
+{
+ const u8_t* var = NULL;
+ const s16_t* var_len;
+ u16_t result;
+
+ switch (node->oid) {
+ case 1: /* sysDescr */
+ var = sysdescr;
+ var_len = (const s16_t*)sysdescr_len;
+ break;
+ case 2: /* sysObjectID */
+ {
+ const struct snmp_obj_id* dev_enterprise_oid = snmp_get_device_enterprise_oid();
+ MEMCPY(value, dev_enterprise_oid->id, dev_enterprise_oid->len * sizeof(u32_t));
+ return dev_enterprise_oid->len * sizeof(u32_t);
+ }
+ case 3: /* sysUpTime */
+ MIB2_COPY_SYSUPTIME_TO((u32_t*)value);
+ return sizeof(u32_t);
+ case 4: /* sysContact */
+ var = syscontact;
+ var_len = (const s16_t*)syscontact_len;
+ break;
+ case 5: /* sysName */
+ var = sysname;
+ var_len = (const s16_t*)sysname_len;
+ break;
+ case 6: /* sysLocation */
+ var = syslocation;
+ var_len = (const s16_t*)syslocation_len;
+ break;
+ case 7: /* sysServices */
+ *(s32_t*)value = SNMP_SYSSERVICES;
+ return sizeof(s32_t);
+ default:
+ LWIP_DEBUGF(SNMP_MIB_DEBUG,("system_get_value(): unknown id: %"S32_F"\n", node->oid));
+ return 0;
+ }
+
+ /* handle string values (OID 1,4,5 and 6) */
+ LWIP_ASSERT("", (value != NULL));
+ if (var_len == NULL) {
+ result = (s16_t)strlen((const char*)var);
+ } else {
+ result = *var_len;
+ }
+ MEMCPY(value, var, result);
+ return result;
+}
+
+static snmp_err_t
+system_set_test(const struct snmp_scalar_array_node_def *node, u16_t len, void *value)
+{
+ snmp_err_t ret = SNMP_ERR_WRONGVALUE;
+ const u16_t* var_bufsize = NULL;
+ const u16_t* var_wr_len;
+
+ LWIP_UNUSED_ARG(value);
+
+ switch (node->oid) {
+ case 4: /* sysContact */
+ var_bufsize = &syscontact_bufsize;
+ var_wr_len = syscontact_wr_len;
+ break;
+ case 5: /* sysName */
+ var_bufsize = &sysname_bufsize;
+ var_wr_len = sysname_wr_len;
+ break;
+ case 6: /* sysLocation */
+ var_bufsize = &syslocation_bufsize;
+ var_wr_len = syslocation_wr_len;
+ break;
+ default:
+ LWIP_DEBUGF(SNMP_MIB_DEBUG,("system_set_test(): unknown id: %"S32_F"\n", node->oid));
+ return ret;
+ }
+
+ /* check if value is writable at all */
+ if (*var_bufsize > 0) {
+ if (var_wr_len == NULL) {
+ /* we have to take the terminating 0 into account */
+ if (len < *var_bufsize) {
+ ret = SNMP_ERR_NOERROR;
+ }
+ } else {
+ if (len <= *var_bufsize) {
+ ret = SNMP_ERR_NOERROR;
+ }
+ }
+ } else {
+ ret = SNMP_ERR_NOTWRITABLE;
+ }
+
+ return ret;
+}
+
+static snmp_err_t
+system_set_value(const struct snmp_scalar_array_node_def *node, u16_t len, void *value)
+{
+ u8_t* var_wr = NULL;
+ u16_t* var_wr_len;
+
+ switch (node->oid) {
+ case 4: /* sysContact */
+ var_wr = syscontact_wr;
+ var_wr_len = syscontact_wr_len;
+ break;
+ case 5: /* sysName */
+ var_wr = sysname_wr;
+ var_wr_len = sysname_wr_len;
+ break;
+ case 6: /* sysLocation */
+ var_wr = syslocation_wr;
+ var_wr_len = syslocation_wr_len;
+ break;
+ default:
+ LWIP_DEBUGF(SNMP_MIB_DEBUG,("system_set_value(): unknown id: %"S32_F"\n", node->oid));
+ return SNMP_ERR_GENERROR;
+ }
+
+ /* no need to check size of target buffer, this was already done in set_test method */
+ LWIP_ASSERT("", var_wr != NULL);
+ MEMCPY(var_wr, value, len);
+
+ if (var_wr_len == NULL) {
+ /* add terminating 0 */
+ var_wr[len] = 0;
+ } else {
+ *var_wr_len = len;
+ }
+
+ return SNMP_ERR_NOERROR;
+}
+
+static const struct snmp_scalar_array_node_def system_nodes[] = {
+ {1, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_ONLY}, /* sysDescr */
+ {2, SNMP_ASN1_TYPE_OBJECT_ID, SNMP_NODE_INSTANCE_READ_ONLY}, /* sysObjectID */
+ {3, SNMP_ASN1_TYPE_TIMETICKS, SNMP_NODE_INSTANCE_READ_ONLY}, /* sysUpTime */
+ {4, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_WRITE}, /* sysContact */
+ {5, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_WRITE}, /* sysName */
+ {6, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_WRITE}, /* sysLocation */
+ {7, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY} /* sysServices */
+};
+
+const struct snmp_scalar_array_node snmp_mib2_system_node = SNMP_SCALAR_CREATE_ARRAY_NODE(1, system_nodes, system_get_value, system_set_test, system_set_value);
+
+#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */