int print_netconf(const struct sockaddr_nl *who, struct rtnl_ctrl_data *ctrl,
struct nlmsghdr *n, void *arg)
{
FILE *fp = (FILE *)arg;
struct netconfmsg *ncm = NLMSG_DATA(n);
int len = n->nlmsg_len;
struct rtattr *tb[NETCONFA_MAX+1];
int ifindex = 0;
if (n->nlmsg_type == NLMSG_ERROR)
return -1;
if (n->nlmsg_type != RTM_NEWNETCONF) {
fprintf(stderr, "Not RTM_NEWNETCONF: %08x %08x %08x\n",
n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
return -1;
}
len -= NLMSG_SPACE(sizeof(*ncm));
if (len < 0) {
fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
return -1;
}
if (filter.family && filter.family != ncm->ncm_family)
return 0;
parse_rtattr(tb, NETCONFA_MAX, netconf_rta(ncm),
NLMSG_PAYLOAD(n, sizeof(*ncm)));
if (tb[NETCONFA_IFINDEX])
ifindex = rta_getattr_u32(tb[NETCONFA_IFINDEX]);
if (filter.ifindex && filter.ifindex != ifindex)
return 0;
switch (ncm->ncm_family) {
case AF_INET:
fprintf(fp, "ipv4 ");
break;
case AF_INET6:
fprintf(fp, "ipv6 ");
break;
case AF_MPLS:
fprintf(fp, "mpls ");
break;
default:
fprintf(fp, "unknown ");
break;
}
if (tb[NETCONFA_IFINDEX]) {
switch (ifindex) {
case NETCONFA_IFINDEX_ALL:
fprintf(fp, "all ");
break;
case NETCONFA_IFINDEX_DEFAULT:
fprintf(fp, "default ");
break;
default:
fprintf(fp, "dev %s ", ll_index_to_name(ifindex));
break;
}
}
if (tb[NETCONFA_FORWARDING])
print_onoff(fp, "forwarding",
rta_getattr_u32(tb[NETCONFA_FORWARDING]));
if (tb[NETCONFA_RP_FILTER]) {
__u32 rp_filter = rta_getattr_u32(tb[NETCONFA_RP_FILTER]);
if (rp_filter == 0)
fprintf(fp, "rp_filter off ");
else if (rp_filter == 1)
fprintf(fp, "rp_filter strict ");
else if (rp_filter == 2)
fprintf(fp, "rp_filter loose ");
else
fprintf(fp, "rp_filter unknown mode ");
}
if (tb[NETCONFA_MC_FORWARDING])
print_onoff(fp, "mc_forwarding",
rta_getattr_u32(tb[NETCONFA_MC_FORWARDING]));
if (tb[NETCONFA_PROXY_NEIGH])
print_onoff(fp, "proxy_neigh",
rta_getattr_u32(tb[NETCONFA_PROXY_NEIGH]));
if (tb[NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN])
print_onoff(fp, "ignore_routes_with_linkdown",
rta_getattr_u32(tb[NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN]));
if (tb[NETCONFA_INPUT])
print_onoff(fp, "input", rta_getattr_u32(tb[NETCONFA_INPUT]));
fprintf(fp, "\n");
fflush(fp);
return 0;
}
int print_linkinfo(const struct sockaddr_nl *who,
struct nlmsghdr *n, void *arg)
{
FILE *fp = arg;
int len = n->nlmsg_len;
struct ifinfomsg *ifi = NLMSG_DATA(n);
struct rtattr * tb[IFLA_MAX+1];
char b1[IFNAMSIZ];
len -= NLMSG_LENGTH(sizeof(*ifi));
if (len < 0) {
fprintf(stderr, "Message too short!\n");
return -1;
}
if (!(ifi->ifi_family == AF_BRIDGE || ifi->ifi_family == AF_UNSPEC))
return 0;
if (filter_index && filter_index != ifi->ifi_index)
return 0;
parse_rtattr_flags(tb, IFLA_MAX, IFLA_RTA(ifi), len, NLA_F_NESTED);
if (tb[IFLA_IFNAME] == NULL) {
fprintf(stderr, "BUG: nil ifname\n");
return -1;
}
if (n->nlmsg_type == RTM_DELLINK)
fprintf(fp, "Deleted ");
fprintf(fp, "%d: %s ", ifi->ifi_index,
tb[IFLA_IFNAME] ? rta_getattr_str(tb[IFLA_IFNAME]) : "<nil>");
if (tb[IFLA_OPERSTATE])
print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
if (tb[IFLA_LINK]) {
SPRINT_BUF(b1);
int iflink = rta_getattr_u32(tb[IFLA_LINK]);
if (iflink == 0)
fprintf(fp, "@NONE: ");
else
fprintf(fp, "@%s: ",
if_indextoname(iflink, b1));
} else
fprintf(fp, ": ");
print_link_flags(fp, ifi->ifi_flags);
if (tb[IFLA_MTU])
fprintf(fp, "mtu %u ", rta_getattr_u32(tb[IFLA_MTU]));
if (tb[IFLA_MASTER])
fprintf(fp, "master %s ",
if_indextoname(rta_getattr_u32(tb[IFLA_MASTER]), b1));
if (tb[IFLA_PROTINFO]) {
if (tb[IFLA_PROTINFO]->rta_type & NLA_F_NESTED) {
struct rtattr *prtb[IFLA_BRPORT_MAX+1];
parse_rtattr_nested(prtb, IFLA_BRPORT_MAX,
tb[IFLA_PROTINFO]);
if (prtb[IFLA_BRPORT_STATE])
print_portstate(fp,
rta_getattr_u8(prtb[IFLA_BRPORT_STATE]));
if (prtb[IFLA_BRPORT_PRIORITY])
fprintf(fp, "priority %hu ",
rta_getattr_u16(prtb[IFLA_BRPORT_PRIORITY]));
if (prtb[IFLA_BRPORT_COST])
fprintf(fp, "cost %u ",
rta_getattr_u32(prtb[IFLA_BRPORT_COST]));
if (show_details) {
fprintf(fp, "%s ", _SL_);
if (prtb[IFLA_BRPORT_MODE])
print_onoff(fp, "hairpin",
rta_getattr_u8(prtb[IFLA_BRPORT_MODE]));
if (prtb[IFLA_BRPORT_GUARD])
print_onoff(fp, "guard",
rta_getattr_u8(prtb[IFLA_BRPORT_GUARD]));
if (prtb[IFLA_BRPORT_PROTECT])
print_onoff(fp, "root_block",
rta_getattr_u8(prtb[IFLA_BRPORT_PROTECT]));
if (prtb[IFLA_BRPORT_FAST_LEAVE])
print_onoff(fp, "fastleave",
rta_getattr_u8(prtb[IFLA_BRPORT_FAST_LEAVE]));
if (prtb[IFLA_BRPORT_LEARNING])
print_onoff(fp, "learning",
rta_getattr_u8(prtb[IFLA_BRPORT_LEARNING]));
if (prtb[IFLA_BRPORT_LEARNING_SYNC])
print_onoff(fp, "learning_sync",
rta_getattr_u8(prtb[IFLA_BRPORT_LEARNING_SYNC]));
if (prtb[IFLA_BRPORT_UNICAST_FLOOD])
print_onoff(fp, "flood",
rta_getattr_u8(prtb[IFLA_BRPORT_UNICAST_FLOOD]));
}
} else
print_portstate(fp, rta_getattr_u8(tb[IFLA_PROTINFO]));
}
if (tb[IFLA_AF_SPEC]) {
/* This is reported by HW devices that have some bridging
* capabilities.
*/
struct rtattr *aftb[IFLA_BRIDGE_MAX+1];
parse_rtattr_nested(aftb, IFLA_BRIDGE_MAX, tb[IFLA_AF_SPEC]);
if (aftb[IFLA_BRIDGE_MODE])
print_hwmode(fp, rta_getattr_u16(aftb[IFLA_BRIDGE_MODE]));
}
fprintf(fp, "\n");
fflush(fp);
return 0;
}
