]> granicus.if.org Git - strace/blobdiff - rtnl_link.c
Fix preprocessor indentation
[strace] / rtnl_link.c
index 9909684240526f5f11c985b0c5a73a7644da0c7a..02df768f45236fcc00f18c8b30c55d086a78d85e 100644 (file)
@@ -1,30 +1,10 @@
 /*
  * Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
  * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
- * Copyright (c) 2016-2017 The strace developers.
+ * Copyright (c) 2016-2018 The strace developers.
  * 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.
+ * SPDX-License-Identifier: LGPL-2.1-or-later
  */
 
 #include "defs.h"
 #include "print_fields.h"
 
 #include "netlink.h"
+
+#include <netinet/in.h>
+
 #ifdef HAVE_LINUX_IF_LINK_H
 # include <linux/if_link.h>
 #endif
 #include <linux/rtnetlink.h>
 
+#include "xlat/in6_addr_gen_mode.h"
+#include "xlat/inet_devconf_indices.h"
+#include "xlat/inet6_devconf_indices.h"
+#include "xlat/inet6_if_flags.h"
+#include "xlat/rtnl_ifla_af_spec_inet_attrs.h"
+#include "xlat/rtnl_ifla_af_spec_inet6_attrs.h"
 #include "xlat/rtnl_ifla_brport_attrs.h"
+#include "xlat/rtnl_ifla_events.h"
+#include "xlat/rtnl_ifla_info_attrs.h"
+#include "xlat/rtnl_ifla_info_data_bridge_attrs.h"
+#include "xlat/rtnl_ifla_info_data_tun_attrs.h"
+#include "xlat/rtnl_ifla_port_attrs.h"
+#include "xlat/rtnl_ifla_vf_port_attrs.h"
+#include "xlat/rtnl_ifla_xdp_attached_mode.h"
+#include "xlat/rtnl_ifla_xdp_attrs.h"
 #include "xlat/rtnl_link_attrs.h"
+#include "xlat/snmp_icmp6_stats.h"
+#include "xlat/snmp_ip_stats.h"
+#include "xlat/tun_device_types.h"
+#include "xlat/xdp_flags.h"
 
 static bool
 decode_rtnl_link_stats(struct tcb *const tcp,
@@ -50,11 +51,15 @@ decode_rtnl_link_stats(struct tcb *const tcp,
        struct rtnl_link_stats st;
        const unsigned int min_size =
                offsetofend(struct rtnl_link_stats, tx_compressed);
-       const unsigned int size = len < sizeof(st) ? min_size : sizeof(st);
+       const unsigned int def_size = sizeof(st);
+       const unsigned int size =
+               (len >= def_size) ? def_size :
+                                   ((len == min_size) ? min_size : 0);
 
-       if (len < min_size)
+       if (!size)
                return false;
-       else if (!umoven_or_printaddr(tcp, addr, size, &st)) {
+
+       if (!umoven_or_printaddr(tcp, addr, size, &st)) {
                PRINT_FIELD_U("{", st, rx_packets);
                PRINT_FIELD_U(", ", st, tx_packets);
                PRINT_FIELD_U(", ", st, rx_bytes);
@@ -82,7 +87,7 @@ decode_rtnl_link_stats(struct tcb *const tcp,
                PRINT_FIELD_U(", ", st, rx_compressed);
                PRINT_FIELD_U(", ", st, tx_compressed);
 #ifdef HAVE_STRUCT_RTNL_LINK_STATS_RX_NOHANDLER
-               if (len >= sizeof(st))
+               if (len >= def_size)
                        PRINT_FIELD_U(", ", st, rx_nohandler);
 #endif
                tprints("}");
@@ -97,22 +102,20 @@ decode_ifla_bridge_id(struct tcb *const tcp,
                      const unsigned int len,
                      const void *const opaque_data)
 {
-#ifdef HAVE_STRUCT_IFLA_BRIDGE_ID
-       struct ifla_bridge_id id;
+       struct {
+               uint8_t prio[2];
+               uint8_t addr[6];
+       } id;
 
        if (len < sizeof(id))
                return false;
        else if (!umove_or_printaddr(tcp, addr, &id)) {
-               tprintf("{prio=[%u, %u], addr=%02x:%02x:%02x:%02x:%02x:%02x}",
-                       id.prio[0], id.prio[1],
-                       id.addr[0], id.addr[1], id.addr[2],
-                       id.addr[3], id.addr[4], id.addr[5]);
+               tprintf("{prio=[%u, %u]", id.prio[0], id.prio[1]);
+               PRINT_FIELD_MAC(", ", id, addr);
+               tprints("}");
        }
 
        return true;
-#else
-       return false;
-#endif
 }
 
 static const nla_decoder_t ifla_brport_nla_decoders[] = {
@@ -145,7 +148,11 @@ static const nla_decoder_t ifla_brport_nla_decoders[] = {
        [IFLA_BRPORT_MCAST_FLOOD]               = decode_nla_u8,
        [IFLA_BRPORT_MCAST_TO_UCAST]            = decode_nla_u8,
        [IFLA_BRPORT_VLAN_TUNNEL]               = decode_nla_u8,
-       [IFLA_BRPORT_BCAST_FLOOD]               = decode_nla_u8
+       [IFLA_BRPORT_BCAST_FLOOD]               = decode_nla_u8,
+       [IFLA_BRPORT_GROUP_FWD_MASK]            = decode_nla_u16,
+       [IFLA_BRPORT_NEIGH_SUPPRESS]            = decode_nla_u8,
+       [IFLA_BRPORT_ISOLATED]                  = decode_nla_u8,
+       [IFLA_BRPORT_BACKUP_PORT]               = decode_nla_ifindex,
 };
 
 static bool
@@ -155,8 +162,8 @@ decode_ifla_protinfo(struct tcb *const tcp,
                     const void *const opaque_data)
 {
        decode_nlattr(tcp, addr, len, rtnl_ifla_brport_attrs,
-                     "IFLA_BRPORT_???", ifla_brport_nla_decoders,
-                     ARRAY_SIZE(ifla_brport_nla_decoders), opaque_data);
+                     "IFLA_BRPORT_???",
+                     ARRSZ_PAIR(ifla_brport_nla_decoders), opaque_data);
 
        return true;
 }
@@ -186,6 +193,229 @@ decode_rtnl_link_ifmap(struct tcb *const tcp,
        return true;
 }
 
+bool
+decode_nla_linkinfo_kind(struct tcb *const tcp,
+                        const kernel_ulong_t addr,
+                        const unsigned int len,
+                        const void *const opaque_data)
+{
+       struct ifla_linkinfo_ctx *ctx = (void *) opaque_data;
+
+       memset(ctx->kind, '\0', sizeof(ctx->kind));
+
+       if (umovestr(tcp, addr, sizeof(ctx->kind), ctx->kind) <= 0) {
+               /*
+                * If we haven't seen NUL or an error occurred, set kind to
+                * an empty string.
+                */
+               ctx->kind[0] = '\0';
+       }
+
+       printstr_ex(tcp, addr, len, QUOTE_0_TERMINATED);
+
+       return true;
+}
+
+bool
+decode_nla_linkinfo_xstats_can(struct tcb *const tcp,
+                              const kernel_ulong_t addr,
+                              const unsigned int len,
+                              const void *const opaque_data)
+{
+       struct strace_can_device_stats {
+               uint32_t bus_error;
+               uint32_t error_warning;
+               uint32_t error_passive;
+               uint32_t bus_off;
+               uint32_t arbitration_lost;
+               uint32_t restarts;
+       } st;
+       const unsigned int def_size = sizeof(st);
+       const unsigned int size = (len >= def_size) ? def_size : 0;
+
+       if (!size)
+               return false;
+
+       if (umoven_or_printaddr(tcp, addr, size, &st))
+               return true;
+
+       PRINT_FIELD_U("{", st, bus_error);
+       PRINT_FIELD_U(", ", st, error_warning);
+       PRINT_FIELD_U(", ", st, error_passive);
+       PRINT_FIELD_U(", ", st, bus_off);
+       PRINT_FIELD_U(", ", st, arbitration_lost);
+       PRINT_FIELD_U(", ", st, restarts);
+       tprints("}");
+
+       return true;
+}
+
+bool
+decode_nla_linkinfo_xstats(struct tcb *const tcp,
+                          const kernel_ulong_t addr,
+                          const unsigned int len,
+                          const void *const opaque_data)
+{
+       struct ifla_linkinfo_ctx *ctx = (void *) opaque_data;
+       nla_decoder_t func = NULL;
+
+       if (!strcmp(ctx->kind, "can"))
+               func = decode_nla_linkinfo_xstats_can;
+
+       if (func)
+               return func(tcp, addr, len, opaque_data);
+
+       return false;
+}
+
+static const nla_decoder_t ifla_info_data_bridge_nla_decoders[] = {
+       [IFLA_BR_UNSPEC]                        = NULL,
+       [IFLA_BR_FORWARD_DELAY]                 = decode_nla_u32,
+       [IFLA_BR_HELLO_TIME]                    = decode_nla_u32,
+       [IFLA_BR_MAX_AGE]                       = decode_nla_u32,
+       [IFLA_BR_AGEING_TIME]                   = decode_nla_u32,
+       [IFLA_BR_STP_STATE]                     = decode_nla_u32,
+       [IFLA_BR_PRIORITY]                      = decode_nla_u16,
+       [IFLA_BR_VLAN_FILTERING]                = decode_nla_u8,
+       [IFLA_BR_VLAN_PROTOCOL]                 = decode_nla_ether_proto,
+       [IFLA_BR_GROUP_FWD_MASK]                = decode_nla_x16,
+       [IFLA_BR_ROOT_ID]                       = decode_ifla_bridge_id,
+       [IFLA_BR_BRIDGE_ID]                     = decode_ifla_bridge_id,
+       [IFLA_BR_ROOT_PORT]                     = decode_nla_u16,
+       [IFLA_BR_ROOT_PATH_COST]                = decode_nla_u32,
+       [IFLA_BR_TOPOLOGY_CHANGE]               = decode_nla_u8,
+       [IFLA_BR_TOPOLOGY_CHANGE_DETECTED]      = decode_nla_u8,
+       [IFLA_BR_HELLO_TIMER]                   = decode_nla_u64,
+       [IFLA_BR_TCN_TIMER]                     = decode_nla_u64,
+       [IFLA_BR_TOPOLOGY_CHANGE_TIMER]         = decode_nla_u64,
+       [IFLA_BR_GC_TIMER]                      = decode_nla_u64,
+       [IFLA_BR_GROUP_ADDR]                    = NULL, /* MAC address */
+       [IFLA_BR_FDB_FLUSH]                     = NULL, /* unspecified */
+       [IFLA_BR_MCAST_ROUTER]                  = decode_nla_u8,
+       [IFLA_BR_MCAST_SNOOPING]                = decode_nla_u8,
+       [IFLA_BR_MCAST_QUERY_USE_IFADDR]        = decode_nla_u8,
+       [IFLA_BR_MCAST_QUERIER]                 = decode_nla_u8,
+       [IFLA_BR_MCAST_HASH_ELASTICITY]         = decode_nla_u32,
+       [IFLA_BR_MCAST_HASH_MAX]                = decode_nla_u32,
+       [IFLA_BR_MCAST_LAST_MEMBER_CNT]         = decode_nla_u32,
+       [IFLA_BR_MCAST_STARTUP_QUERY_CNT]       = decode_nla_u32,
+       [IFLA_BR_MCAST_LAST_MEMBER_INTVL]       = decode_nla_u64,
+       [IFLA_BR_MCAST_MEMBERSHIP_INTVL]        = decode_nla_u64,
+       [IFLA_BR_MCAST_QUERIER_INTVL]           = decode_nla_u64,
+       [IFLA_BR_MCAST_QUERY_INTVL]             = decode_nla_u64,
+       [IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]    = decode_nla_u64,
+       [IFLA_BR_MCAST_STARTUP_QUERY_INTVL]     = decode_nla_u64,
+       [IFLA_BR_NF_CALL_IPTABLES]              = decode_nla_u8,
+       [IFLA_BR_NF_CALL_IP6TABLES]             = decode_nla_u8,
+       [IFLA_BR_NF_CALL_ARPTABLES]             = decode_nla_u8,
+       [IFLA_BR_VLAN_DEFAULT_PVID]             = decode_nla_u16,
+       [IFLA_BR_PAD]                           = NULL,
+       [IFLA_BR_VLAN_STATS_ENABLED]            = decode_nla_u8,
+       [IFLA_BR_MCAST_STATS_ENABLED]           = decode_nla_u8,
+       [IFLA_BR_MCAST_IGMP_VERSION]            = decode_nla_u8,
+       [IFLA_BR_MCAST_MLD_VERSION]             = decode_nla_u8,
+       [IFLA_BR_VLAN_STATS_PER_PORT]           = decode_nla_u8,
+};
+
+bool
+decode_nla_linkinfo_data_bridge(struct tcb *const tcp,
+                               const kernel_ulong_t addr,
+                               const unsigned int len,
+                               const void *const opaque_data)
+{
+       decode_nlattr(tcp, addr, len, rtnl_ifla_info_data_bridge_attrs,
+                     "IFLA_BR_???",
+                     ARRSZ_PAIR(ifla_info_data_bridge_nla_decoders),
+                     opaque_data);
+
+       return true;
+}
+
+static bool
+decode_nla_tun_type(struct tcb *const tcp,
+                   const kernel_ulong_t addr,
+                   const unsigned int len,
+                   const void *const opaque_data)
+{
+       static const struct decode_nla_xlat_opts opts = {
+               .xlat = tun_device_types,
+               .dflt = "IFF_???",
+               .size = 1,
+       };
+
+       return decode_nla_xval(tcp, addr, len, &opts);
+}
+
+static const nla_decoder_t ifla_info_data_tun_nla_decoders[] = {
+       [IFLA_TUN_UNSPEC]               = NULL,
+       [IFLA_TUN_OWNER]                = decode_nla_uid,
+       [IFLA_TUN_GROUP]                = decode_nla_gid,
+       [IFLA_TUN_TYPE]                 = decode_nla_tun_type,
+       [IFLA_TUN_PI]                   = decode_nla_u8,
+       [IFLA_TUN_VNET_HDR]             = decode_nla_u8,
+       [IFLA_TUN_PERSIST]              = decode_nla_u8,
+       [IFLA_TUN_MULTI_QUEUE]          = decode_nla_u8,
+       [IFLA_TUN_NUM_QUEUES]           = decode_nla_u32,
+       [IFLA_TUN_NUM_DISABLED_QUEUES]  = decode_nla_u32,
+};
+
+bool
+decode_nla_linkinfo_data_tun(struct tcb *const tcp,
+                            const kernel_ulong_t addr,
+                            const unsigned int len,
+                            const void *const opaque_data)
+{
+       decode_nlattr(tcp, addr, len, rtnl_ifla_info_data_tun_attrs,
+                     "IFLA_TUN_???",
+                     ARRSZ_PAIR(ifla_info_data_tun_nla_decoders),
+                     opaque_data);
+
+       return true;
+}
+
+bool
+decode_nla_linkinfo_data(struct tcb *const tcp,
+                        const kernel_ulong_t addr,
+                        const unsigned int len,
+                        const void *const opaque_data)
+{
+       struct ifla_linkinfo_ctx *ctx = (void *) opaque_data;
+       nla_decoder_t func = NULL;
+
+       if (!strcmp(ctx->kind, "bridge"))
+               func = decode_nla_linkinfo_data_bridge;
+       else if (!strcmp(ctx->kind, "tun"))
+               func = decode_nla_linkinfo_data_tun;
+
+       if (func)
+               return func(tcp, addr, len, opaque_data);
+
+       return false;
+}
+
+static const nla_decoder_t ifla_linkinfo_nla_decoders[] = {
+       [IFLA_INFO_KIND]        = decode_nla_linkinfo_kind,
+       [IFLA_INFO_DATA]        = decode_nla_linkinfo_data,
+       [IFLA_INFO_XSTATS]      = decode_nla_linkinfo_xstats,
+       [IFLA_INFO_SLAVE_KIND]  = decode_nla_str,
+       [IFLA_INFO_SLAVE_DATA]  = NULL, /* unimplemented */
+};
+
+static bool
+decode_ifla_linkinfo(struct tcb *const tcp,
+                    const kernel_ulong_t addr,
+                    const unsigned int len,
+                    const void *const opaque_data)
+{
+       struct ifla_linkinfo_ctx ctx = { .kind = "", };
+
+       decode_nlattr(tcp, addr, len, rtnl_ifla_info_attrs,
+                     "IFLA_INFO_???", ARRSZ_PAIR(ifla_linkinfo_nla_decoders),
+                     &ctx);
+
+       return true;
+}
+
 static bool
 decode_rtnl_link_stats64(struct tcb *const tcp,
                         const kernel_ulong_t addr,
@@ -196,11 +426,15 @@ decode_rtnl_link_stats64(struct tcb *const tcp,
        struct rtnl_link_stats64 st;
        const unsigned int min_size =
                offsetofend(struct rtnl_link_stats64, tx_compressed);
-       const unsigned int size = len < sizeof(st) ? min_size : sizeof(st);
+       const unsigned int def_size = sizeof(st);
+       const unsigned int size =
+               (len >= def_size) ? def_size :
+                                   ((len == min_size) ? min_size : 0);
 
-       if (len < min_size)
+       if (!size)
                return false;
-       else if (!umoven_or_printaddr(tcp, addr, size, &st)) {
+
+       if (!umoven_or_printaddr(tcp, addr, size, &st)) {
                PRINT_FIELD_U("{", st, rx_packets);
                PRINT_FIELD_U(", ", st, tx_packets);
                PRINT_FIELD_U(", ", st, rx_bytes);
@@ -227,10 +461,35 @@ decode_rtnl_link_stats64(struct tcb *const tcp,
 
                PRINT_FIELD_U(", ", st, rx_compressed);
                PRINT_FIELD_U(", ", st, tx_compressed);
-#ifdef HAVE_STRUCT_RTNL_LINK_STATS64_RX_NOHANDLER
-               if (len >= sizeof(st))
+# ifdef HAVE_STRUCT_RTNL_LINK_STATS64_RX_NOHANDLER
+               if (len >= def_size)
                        PRINT_FIELD_U(", ", st, rx_nohandler);
+# endif
+               tprints("}");
+       }
+
+       return true;
+#else
+       return false;
 #endif
+}
+
+static bool
+decode_ifla_port_vsi(struct tcb *const tcp,
+                    const kernel_ulong_t addr,
+                    const unsigned int len,
+                    const void *const opaque_data)
+{
+#ifdef HAVE_STRUCT_IFLA_PORT_VSI
+       struct ifla_port_vsi vsi;
+
+       if (len < sizeof(vsi))
+               return false;
+       else if (!umove_or_printaddr(tcp, addr, &vsi)) {
+               PRINT_FIELD_U("{", vsi, vsi_mgr_id);
+               PRINT_FIELD_STRING(", ", vsi, vsi_type_id,
+                                  sizeof(vsi.vsi_type_id), QUOTE_FORCE_HEX);
+               PRINT_FIELD_U(", ", vsi, vsi_type_version);
                tprints("}");
        }
 
@@ -240,6 +499,316 @@ decode_rtnl_link_stats64(struct tcb *const tcp,
 #endif
 }
 
+static const nla_decoder_t ifla_port_nla_decoders[] = {
+       [IFLA_PORT_VF]                  = decode_nla_u32,
+       [IFLA_PORT_PROFILE]             = decode_nla_str,
+       [IFLA_PORT_VSI_TYPE]            = decode_ifla_port_vsi,
+       [IFLA_PORT_INSTANCE_UUID]       = NULL, /* default parser */
+       [IFLA_PORT_HOST_UUID]           = NULL, /* default parser */
+       [IFLA_PORT_REQUEST]             = decode_nla_u8,
+       [IFLA_PORT_RESPONSE]            = decode_nla_u16
+};
+
+static bool
+decode_ifla_port(struct tcb *const tcp,
+                const kernel_ulong_t addr,
+                const unsigned int len,
+                const void *const opaque_data)
+{
+       decode_nlattr(tcp, addr, len, rtnl_ifla_port_attrs,
+                     "IFLA_VF_PORT_???", ARRSZ_PAIR(ifla_port_nla_decoders),
+                     opaque_data);
+
+       return true;
+}
+
+static const nla_decoder_t ifla_vf_port_nla_decoders[] = {
+       [IFLA_VF_PORT] = decode_ifla_port
+};
+
+static bool
+decode_ifla_vf_ports(struct tcb *const tcp,
+                    const kernel_ulong_t addr,
+                    const unsigned int len,
+                    const void *const opaque_data)
+{
+       decode_nlattr(tcp, addr, len, rtnl_ifla_vf_port_attrs,
+                     "IFLA_VF_PORT_???", ARRSZ_PAIR(ifla_vf_port_nla_decoders),
+                     opaque_data);
+
+       return true;
+}
+
+static bool
+decode_ifla_xdp_flags(struct tcb *const tcp,
+                     const kernel_ulong_t addr,
+                     const unsigned int len,
+                     const void *const opaque_data)
+{
+       uint32_t flags;
+
+       if (len < sizeof(flags))
+               return false;
+       else if (!umove_or_printaddr(tcp, addr, &flags))
+               printflags(xdp_flags, flags, "XDP_FLAGS_???");
+
+       return true;
+}
+
+bool
+decode_ifla_xdp_attached(struct tcb *const tcp,
+                        const kernel_ulong_t addr,
+                        const unsigned int len,
+                        const void *const opaque_data)
+{
+       static const struct decode_nla_xlat_opts opts = {
+               .xlat = rtnl_ifla_xdp_attached_mode,
+               .dflt = "XDP_ATTACHED_???",
+               .size = 1,
+       };
+
+       return decode_nla_xval(tcp, addr, len, &opts);
+}
+
+static const nla_decoder_t ifla_xdp_nla_decoders[] = {
+       [IFLA_XDP_FD]           = decode_nla_fd,
+       [IFLA_XDP_ATTACHED]     = decode_ifla_xdp_attached,
+       [IFLA_XDP_FLAGS]        = decode_ifla_xdp_flags,
+       [IFLA_XDP_PROG_ID]      = decode_nla_u32,
+       [IFLA_XDP_DRV_PROG_ID]  = decode_nla_u32,
+       [IFLA_XDP_SKB_PROG_ID]  = decode_nla_u32,
+       [IFLA_XDP_HW_PROG_ID]   = decode_nla_u32,
+};
+
+static bool
+decode_ifla_xdp(struct tcb *const tcp,
+               const kernel_ulong_t addr,
+               const unsigned int len,
+               const void *const opaque_data)
+{
+       decode_nlattr(tcp, addr, len, rtnl_ifla_xdp_attrs,
+                     "IFLA_XDP_???", ARRSZ_PAIR(ifla_xdp_nla_decoders),
+                     opaque_data);
+
+       return true;
+}
+
+static bool
+decode_ifla_event(struct tcb *const tcp,
+                 const kernel_ulong_t addr,
+                 const unsigned int len,
+                 const void *const opaque_data)
+{
+       uint32_t ev;
+
+       if (len < sizeof(ev))
+               return false;
+       else if (!umove_or_printaddr(tcp, addr, &ev))
+               printxval(rtnl_ifla_events, ev, "IFLA_EVENT_???");
+
+       return true;
+}
+
+
+static bool
+decode_ifla_inet_conf(struct tcb *const tcp,
+                     const kernel_ulong_t addr,
+                     const unsigned int len,
+                     const void *const opaque_data)
+{
+       int elem;
+       size_t cnt = len / sizeof(elem);
+
+       if (!cnt)
+               return false;
+
+       print_array_ex(tcp, addr, cnt, &elem, sizeof(elem),
+                      tfetch_mem, print_int32_array_member, NULL,
+                      PAF_PRINT_INDICES | XLAT_STYLE_FMT_D,
+                      inet_devconf_indices, "IPV4_DEVCONF_???");
+
+       return true;
+}
+
+static const nla_decoder_t ifla_inet_nla_decoders[] = {
+       [IFLA_INET_CONF] = decode_ifla_inet_conf,
+};
+
+static bool
+decode_ifla_inet6_flags(struct tcb *const tcp,
+                       const kernel_ulong_t addr,
+                       const unsigned int len,
+                       const void *const opaque_data)
+{
+       static const struct decode_nla_xlat_opts opts = {
+               inet6_if_flags, "IF_???",
+               .size = 4,
+       };
+
+       return decode_nla_flags(tcp, addr, len, &opts);
+}
+
+static bool
+decode_ifla_inet6_conf(struct tcb *const tcp,
+                      const kernel_ulong_t addr,
+                      const unsigned int len,
+                      const void *const opaque_data)
+{
+       int elem;
+       size_t cnt = len / sizeof(elem);
+
+       if (!cnt)
+               return false;
+
+       print_array_ex(tcp, addr, cnt, &elem, sizeof(elem),
+                      tfetch_mem, print_int32_array_member, NULL,
+                      PAF_PRINT_INDICES | XLAT_STYLE_FMT_D,
+                      inet6_devconf_indices, "DEVCONF_???");
+
+       return true;
+}
+
+static bool
+decode_ifla_inet6_stats(struct tcb *const tcp,
+                       const kernel_ulong_t addr,
+                       const unsigned int len,
+                       const void *const opaque_data)
+{
+       uint64_t elem;
+       size_t cnt = len / sizeof(elem);
+
+       if (!cnt)
+               return false;
+
+       print_array_ex(tcp, addr, cnt, &elem, sizeof(elem),
+                      tfetch_mem, print_uint64_array_member, NULL,
+                      PAF_PRINT_INDICES | XLAT_STYLE_FMT_U,
+                      snmp_ip_stats, "IPSTATS_MIB_???");
+
+       return true;
+}
+
+static bool
+decode_ifla_inet6_cacheinfo(struct tcb *const tcp,
+                           const kernel_ulong_t addr,
+                           const unsigned int len,
+                           const void *const opaque_data)
+{
+       struct {
+               uint32_t max_reasm_len;
+               uint32_t tstamp;
+               uint32_t reachable_time;
+               uint32_t retrans_time;
+       } ci;
+
+       if (len < sizeof(ci))
+               return false;
+       else if (!umove_or_printaddr(tcp, addr, &ci)) {
+               PRINT_FIELD_U("{", ci, max_reasm_len);
+               PRINT_FIELD_U(", ", ci, tstamp);
+               PRINT_FIELD_U(", ", ci, reachable_time);
+               PRINT_FIELD_U(", ", ci, retrans_time);
+               tprints("}");
+       }
+
+       return true;
+}
+
+static bool
+decode_ifla_inet6_icmp6_stats(struct tcb *const tcp,
+                             const kernel_ulong_t addr,
+                             const unsigned int len,
+                             const void *const opaque_data)
+{
+       uint64_t elem;
+       size_t cnt = len / sizeof(elem);
+
+       if (!cnt)
+               return false;
+
+       print_array_ex(tcp, addr, cnt, &elem, sizeof(elem),
+                      tfetch_mem, print_uint64_array_member, NULL,
+                      PAF_PRINT_INDICES | XLAT_STYLE_FMT_U,
+                      snmp_icmp6_stats, "ICMP6_MIB_???");
+
+       return true;
+}
+
+static bool
+decode_ifla_inet6_agm(struct tcb *const tcp,
+                     const kernel_ulong_t addr,
+                     const unsigned int len,
+                     const void *const opaque_data)
+{
+       static const struct decode_nla_xlat_opts opts = {
+               in6_addr_gen_mode, "IN6_ADDR_GEN_MODE_???",
+               .size = 1,
+       };
+
+       return decode_nla_xval(tcp, addr, len, &opts);
+}
+
+static const nla_decoder_t ifla_inet6_nla_decoders[] = {
+       [IFLA_INET6_FLAGS]              = decode_ifla_inet6_flags,
+       [IFLA_INET6_CONF]               = decode_ifla_inet6_conf,
+       [IFLA_INET6_STATS]              = decode_ifla_inet6_stats,
+       [IFLA_INET6_MCAST]              = NULL, /* unused */
+       [IFLA_INET6_CACHEINFO]          = decode_ifla_inet6_cacheinfo,
+       [IFLA_INET6_ICMP6STATS]         = decode_ifla_inet6_icmp6_stats,
+       [IFLA_INET6_TOKEN]              = decode_nla_in6_addr,
+       [IFLA_INET6_ADDR_GEN_MODE]      = decode_ifla_inet6_agm,
+};
+
+static const struct nla_decoder_table_desc {
+       const struct xlat *xlat;
+       const char *dflt;
+       const nla_decoder_t *table;
+       size_t size;
+} ifla_af_spec_protos[] = {
+       [AF_INET]       = {
+               rtnl_ifla_af_spec_inet_attrs, "IFLA_INET_???",
+               ARRSZ_PAIR(ifla_inet_nla_decoders),
+       },
+       [AF_INET6]      = {
+               rtnl_ifla_af_spec_inet6_attrs, "IFLA_INET6_???",
+               ARRSZ_PAIR(ifla_inet6_nla_decoders),
+       },
+};
+
+static bool
+decode_ifla_af(struct tcb *const tcp,
+              const kernel_ulong_t addr,
+              const unsigned int len,
+              const void *const opaque_data)
+{
+       uintptr_t proto = (uintptr_t) opaque_data;
+       const struct nla_decoder_table_desc *desc
+               = proto < ARRAY_SIZE(ifla_af_spec_protos)
+                       ? ifla_af_spec_protos + proto : NULL;
+
+       if (!desc || !desc->table)
+               return false;
+
+       decode_nlattr(tcp, addr, len,
+                     desc->xlat, desc->dflt, desc->table, desc->size, NULL);
+
+       return true;
+}
+
+static bool
+decode_ifla_af_spec(struct tcb *const tcp,
+                   const kernel_ulong_t addr,
+                   const unsigned int len,
+                   const void *const opaque_data)
+{
+       nla_decoder_t af_spec_decoder = &decode_ifla_af;
+
+       decode_nlattr(tcp, addr, len, addrfams, "AF_???",
+                     &af_spec_decoder, 0, opaque_data);
+
+       return true;
+}
+
 static const nla_decoder_t ifinfomsg_nla_decoders[] = {
        [IFLA_ADDRESS]          = NULL, /* unimplemented */
        [IFLA_BROADCAST]        = NULL, /* unimplemented */
@@ -258,17 +827,17 @@ static const nla_decoder_t ifinfomsg_nla_decoders[] = {
        [IFLA_WEIGHT]           = decode_nla_u32,
        [IFLA_OPERSTATE]        = decode_nla_u8,
        [IFLA_LINKMODE]         = decode_nla_u8,
-       [IFLA_LINKINFO]         = NULL, /* unimplemented */
+       [IFLA_LINKINFO]         = decode_ifla_linkinfo,
        [IFLA_NET_NS_PID]       = decode_nla_u32,
        [IFLA_IFALIAS]          = decode_nla_str,
        [IFLA_NUM_VF]           = decode_nla_u32,
        [IFLA_VFINFO_LIST]      = NULL, /* unimplemented */
        [IFLA_STATS64]          = decode_rtnl_link_stats64,
-       [IFLA_VF_PORTS]         = NULL, /* unimplemented */
-       [IFLA_PORT_SELF]        = NULL, /* unimplemented */
-       [IFLA_AF_SPEC]          = NULL, /* unimplemented */
+       [IFLA_VF_PORTS]         = decode_ifla_vf_ports,
+       [IFLA_PORT_SELF]        = decode_ifla_port,
+       [IFLA_AF_SPEC]          = decode_ifla_af_spec,
        [IFLA_GROUP]            = decode_nla_u32,
-       [IFLA_NET_NS_FD]        = decode_nla_u32,
+       [IFLA_NET_NS_FD]        = decode_nla_fd,
        [IFLA_EXT_MASK]         = decode_nla_u32,
        [IFLA_PROMISCUITY]      = decode_nla_u32,
        [IFLA_NUM_TX_QUEUES]    = decode_nla_u32,
@@ -283,8 +852,15 @@ static const nla_decoder_t ifinfomsg_nla_decoders[] = {
        [IFLA_GSO_MAX_SEGS]     = decode_nla_u32,
        [IFLA_GSO_MAX_SIZE]     = decode_nla_u32,
        [IFLA_PAD]              = NULL,
-       [IFLA_XDP]              = NULL, /* unimplemented */
-       [IFLA_EVENT]            = decode_nla_u32
+       [IFLA_XDP]              = decode_ifla_xdp,
+       [IFLA_EVENT]            = decode_ifla_event,
+       [IFLA_NEW_NETNSID]      = decode_nla_s32,
+       [IFLA_IF_NETNSID]       = decode_nla_s32,
+       [IFLA_CARRIER_UP_COUNT] = decode_nla_u32,
+       [IFLA_CARRIER_DOWN_COUNT]       = decode_nla_u32,
+       [IFLA_NEW_IFINDEX]      = decode_nla_ifindex,
+       [IFLA_MIN_MTU]          = decode_nla_u32,
+       [IFLA_MAX_MTU]          = decode_nla_u32,
 };
 
 DECL_NETLINK_ROUTE_DECODER(decode_ifinfomsg)
@@ -299,7 +875,7 @@ DECL_NETLINK_ROUTE_DECODER(decode_ifinfomsg)
        if (len >= sizeof(ifinfo)) {
                if (!umoven_or_printaddr(tcp, addr + offset,
                                         sizeof(ifinfo) - offset,
-                                        (void *) &ifinfo + offset)) {
+                                        (char *) &ifinfo + offset)) {
                        PRINT_FIELD_XVAL("", ifinfo, ifi_type,
                                         arp_hardware_types, "ARPHRD_???");
                        PRINT_FIELD_IFINDEX(", ", ifinfo, ifi_index);
@@ -317,7 +893,6 @@ DECL_NETLINK_ROUTE_DECODER(decode_ifinfomsg)
                tprints(", ");
                decode_nlattr(tcp, addr + offset, len - offset,
                              rtnl_link_attrs, "IFLA_???",
-                             ifinfomsg_nla_decoders,
-                             ARRAY_SIZE(ifinfomsg_nla_decoders), NULL);
+                             ARRSZ_PAIR(ifinfomsg_nla_decoders), NULL);
        }
 }