static void hsr_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
SPRINT_BUF(b1);
if (!tb)
return;
if (tb[IFLA_HSR_SLAVE1] &&
RTA_PAYLOAD(tb[IFLA_HSR_SLAVE1]) < sizeof(__u32))
return;
if (tb[IFLA_HSR_SLAVE2] &&
RTA_PAYLOAD(tb[IFLA_HSR_SLAVE2]) < sizeof(__u32))
return;
if (tb[IFLA_HSR_SEQ_NR] &&
RTA_PAYLOAD(tb[IFLA_HSR_SEQ_NR]) < sizeof(__u16))
return;
if (tb[IFLA_HSR_SUPERVISION_ADDR] &&
RTA_PAYLOAD(tb[IFLA_HSR_SUPERVISION_ADDR]) < ETH_ALEN)
return;
if (tb[IFLA_HSR_SLAVE1])
print_string(PRINT_ANY,
"slave1",
"slave1 %s ",
ll_index_to_name(rta_getattr_u32(tb[IFLA_HSR_SLAVE1])));
else
print_null(PRINT_ANY, "slave1", "slave1 %s ", "<none>");
if (tb[IFLA_HSR_SLAVE2])
print_string(PRINT_ANY,
"slave2",
"slave2 %s ",
ll_index_to_name(rta_getattr_u32(tb[IFLA_HSR_SLAVE2])));
else
print_null(PRINT_ANY, "slave2", "slave2 %s ", "<none>");
if (tb[IFLA_HSR_SEQ_NR])
print_int(PRINT_ANY,
"seq_nr",
"sequence %d ",
rta_getattr_u16(tb[IFLA_HSR_SEQ_NR]));
if (tb[IFLA_HSR_SUPERVISION_ADDR])
print_string(PRINT_ANY,
"supervision_addr",
"supervision %s ",
ll_addr_n2a(RTA_DATA(tb[IFLA_HSR_SUPERVISION_ADDR]),
RTA_PAYLOAD(tb[IFLA_HSR_SUPERVISION_ADDR]),
ARPHRD_VOID,
b1, sizeof(b1)));
}
static int rtnl_linkinfo_parse(struct rtattr *rta)
{
int index = -1;
const char *kind;
struct rtattr *linkinfo[IFLA_INFO_MAX];
struct rtattr *bond[IFLA_BOND_MAX];
if (rtnl_nested_rtattr_parse(linkinfo, IFLA_INFO_MAX, rta) < 0)
return -1;
if (linkinfo[IFLA_INFO_KIND]) {
kind = rta_getattr_str(linkinfo[IFLA_INFO_KIND]);
if (kind && !strncmp(kind, "bond", 4) &&
linkinfo[IFLA_INFO_DATA]) {
if (rtnl_nested_rtattr_parse(bond, IFLA_BOND_MAX,
linkinfo[IFLA_INFO_DATA]) < 0)
return -1;
if (bond[IFLA_BOND_ACTIVE_SLAVE]) {
index = rta_getattr_u32(bond[IFLA_BOND_ACTIVE_SLAVE]);
}
}
}
return index;
}
static int basic_print_opt(struct filter_util *qu, FILE *f,
struct rtattr *opt, __u32 handle)
{
struct rtattr *tb[TCA_BASIC_MAX+1];
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_BASIC_MAX, opt);
if (handle)
fprintf(f, "handle 0x%x ", handle);
if (tb[TCA_BASIC_CLASSID]) {
SPRINT_BUF(b1);
fprintf(f, "flowid %s ",
sprint_tc_classid(rta_getattr_u32(tb[TCA_BASIC_CLASSID]), b1));
}
if (tb[TCA_BASIC_EMATCHES])
print_ematch(f, tb[TCA_BASIC_EMATCHES]);
if (tb[TCA_BASIC_POLICE]) {
fprintf(f, "\n");
tc_print_police(f, tb[TCA_BASIC_POLICE]);
}
if (tb[TCA_BASIC_ACT]) {
tc_print_action(f, tb[TCA_BASIC_ACT]);
}
return 0;
}
static inline int rtm_get_table(struct rtmsg *r, struct rtattr **tb)
{
__u32 table = r->rtm_table;
if (tb[RTA_TABLE])
table = rta_getattr_u32(tb[RTA_TABLE]);
return table;
}
static void bond_slave_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
SPRINT_BUF(b1);
if (!tb)
return;
if (tb[IFLA_BOND_SLAVE_STATE])
print_slave_state(f, tb[IFLA_BOND_SLAVE_STATE]);
if (tb[IFLA_BOND_SLAVE_MII_STATUS])
print_slave_mii_status(f, tb[IFLA_BOND_SLAVE_MII_STATUS]);
if (tb[IFLA_BOND_SLAVE_LINK_FAILURE_COUNT])
fprintf(f, "link_failure_count %d ",
rta_getattr_u32(tb[IFLA_BOND_SLAVE_LINK_FAILURE_COUNT]));
if (tb[IFLA_BOND_SLAVE_PERM_HWADDR])
fprintf(f, "perm_hwaddr %s ",
ll_addr_n2a(RTA_DATA(tb[IFLA_BOND_SLAVE_PERM_HWADDR]),
RTA_PAYLOAD(tb[IFLA_BOND_SLAVE_PERM_HWADDR]),
0, b1, sizeof(b1)));
if (tb[IFLA_BOND_SLAVE_QUEUE_ID])
fprintf(f, "queue_id %d ",
rta_getattr_u16(tb[IFLA_BOND_SLAVE_QUEUE_ID]));
if (tb[IFLA_BOND_SLAVE_AD_AGGREGATOR_ID])
fprintf(f, "ad_aggregator_id %d ",
rta_getattr_u16(tb[IFLA_BOND_SLAVE_AD_AGGREGATOR_ID]));
}
static int print_ila_mapping(const struct sockaddr_nl *who,
struct nlmsghdr *n, void *arg)
{
FILE *fp = (FILE *)arg;
struct genlmsghdr *ghdr;
struct rtattr *tb[ILA_ATTR_MAX + 1];
int len = n->nlmsg_len;
if (n->nlmsg_type != genl_family)
return 0;
len -= NLMSG_LENGTH(GENL_HDRLEN);
if (len < 0)
return -1;
ghdr = NLMSG_DATA(n);
parse_rtattr(tb, ILA_ATTR_MAX, (void *) ghdr + GENL_HDRLEN, len);
print_ila_locid(fp, ILA_ATTR_LOCATOR_MATCH, tb, ADDR_BUF_SIZE);
print_ila_locid(fp, ILA_ATTR_LOCATOR, tb, ADDR_BUF_SIZE);
if (tb[ILA_ATTR_IFINDEX])
fprintf(fp, "%s", ll_index_to_name(rta_getattr_u32(tb[ILA_ATTR_IFINDEX])));
else
fprintf(fp, "-");
fprintf(fp, "\n");
return 0;
}
static void macvlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
__u32 mode;
__u16 flags;
if (!tb)
return;
if (!tb[IFLA_MACVLAN_MODE] ||
RTA_PAYLOAD(tb[IFLA_MACVLAN_MODE]) < sizeof(__u32))
return;
mode = rta_getattr_u32(tb[IFLA_MACVLAN_MODE]);
fprintf(f, " mode %s ",
mode == MACVLAN_MODE_PRIVATE ? "private"
: mode == MACVLAN_MODE_VEPA ? "vepa"
: mode == MACVLAN_MODE_BRIDGE ? "bridge"
: mode == MACVLAN_MODE_PASSTHRU ? "passthru"
: "unknown");
if (!tb[IFLA_MACVLAN_FLAGS] ||
RTA_PAYLOAD(tb[IFLA_MACVLAN_FLAGS]) < sizeof(__u16))
return;
flags = rta_getattr_u16(tb[IFLA_MACVLAN_FLAGS]);
if (flags & MACVLAN_FLAG_NOPROMISC)
fprintf(f, "nopromisc ");
}
static int atm_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_ATM_MAX+1];
char buffer[MAX_ATM_ADDR_LEN+1];
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_ATM_MAX, opt);
if (tb[TCA_ATM_ADDR]) {
if (RTA_PAYLOAD(tb[TCA_ATM_ADDR]) <
sizeof(struct sockaddr_atmpvc))
fprintf(stderr,"ATM: address too short\n");
else {
if (atm2text(buffer,MAX_ATM_ADDR_LEN,
RTA_DATA(tb[TCA_ATM_ADDR]),A2T_PRETTY | A2T_NAME) <
0) fprintf(stderr,"atm2text error\n");
fprintf(f,"pvc %s ",buffer);
}
}
if (tb[TCA_ATM_HDR]) {
int i;
const __u8 *hdr = RTA_DATA(tb[TCA_ATM_HDR]);
fprintf(f,"hdr");
for (i = 0; i < RTA_PAYLOAD(tb[TCA_ATM_HDR]); i++)
fprintf(f,"%c%02x", i ? '.' : ' ', hdr[i]);
if (!i) fprintf(f," .");
fprintf(f," ");
}
if (tb[TCA_ATM_EXCESS]) {
__u32 excess;
if (RTA_PAYLOAD(tb[TCA_ATM_EXCESS]) < sizeof(excess))
fprintf(stderr,"ATM: excess class ID too short\n");
else {
excess = rta_getattr_u32(tb[TCA_ATM_EXCESS]);
if (!excess) fprintf(f,"excess clp ");
else {
char buf[64];
print_tc_classid(buf,sizeof(buf),excess);
fprintf(f,"excess %s ",buf);
}
}
}
if (tb[TCA_ATM_STATE]) {
static const char *map[] = { ATM_VS2TXT_MAP };
int state;
if (RTA_PAYLOAD(tb[TCA_ATM_STATE]) < sizeof(state))
fprintf(stderr,"ATM: state field too short\n");
else {
state = *(int *) RTA_DATA(tb[TCA_ATM_STATE]);
fprintf(f,"%s ",map[state]);
}
}
return 0;
}
static int codel_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_CODEL_MAX + 1];
unsigned int limit;
unsigned int interval;
unsigned int target;
unsigned int ecn;
unsigned int ce_threshold;
SPRINT_BUF(b1);
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_CODEL_MAX, opt);
if (tb[TCA_CODEL_LIMIT] &&
RTA_PAYLOAD(tb[TCA_CODEL_LIMIT]) >= sizeof(__u32)) {
limit = rta_getattr_u32(tb[TCA_CODEL_LIMIT]);
fprintf(f, "limit %up ", limit);
}
if (tb[TCA_CODEL_TARGET] &&
RTA_PAYLOAD(tb[TCA_CODEL_TARGET]) >= sizeof(__u32)) {
target = rta_getattr_u32(tb[TCA_CODEL_TARGET]);
fprintf(f, "target %s ", sprint_time(target, b1));
}
if (tb[TCA_CODEL_CE_THRESHOLD] &&
RTA_PAYLOAD(tb[TCA_CODEL_CE_THRESHOLD]) >= sizeof(__u32)) {
ce_threshold = rta_getattr_u32(tb[TCA_CODEL_CE_THRESHOLD]);
fprintf(f, "ce_threshold %s ", sprint_time(ce_threshold, b1));
}
if (tb[TCA_CODEL_INTERVAL] &&
RTA_PAYLOAD(tb[TCA_CODEL_INTERVAL]) >= sizeof(__u32)) {
interval = rta_getattr_u32(tb[TCA_CODEL_INTERVAL]);
fprintf(f, "interval %s ", sprint_time(interval, b1));
}
if (tb[TCA_CODEL_ECN] &&
RTA_PAYLOAD(tb[TCA_CODEL_ECN]) >= sizeof(__u32)) {
ecn = rta_getattr_u32(tb[TCA_CODEL_ECN]);
if (ecn)
fprintf(f, "ecn ");
}
return 0;
}
static int pie_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_PIE_MAX + 1];
unsigned int limit;
unsigned int tupdate;
unsigned int target;
unsigned int alpha;
unsigned int beta;
unsigned ecn;
unsigned bytemode;
SPRINT_BUF(b1);
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_PIE_MAX, opt);
if (tb[TCA_PIE_LIMIT] &&
RTA_PAYLOAD(tb[TCA_PIE_LIMIT]) >= sizeof(__u32)) {
limit = rta_getattr_u32(tb[TCA_PIE_LIMIT]);
fprintf(f, "limit %up ", limit);
}
if (tb[TCA_PIE_TARGET] &&
RTA_PAYLOAD(tb[TCA_PIE_TARGET]) >= sizeof(__u32)) {
target = rta_getattr_u32(tb[TCA_PIE_TARGET]);
fprintf(f, "target %s ", sprint_time(target, b1));
}
if (tb[TCA_PIE_TUPDATE] &&
RTA_PAYLOAD(tb[TCA_PIE_TUPDATE]) >= sizeof(__u32)) {
tupdate = rta_getattr_u32(tb[TCA_PIE_TUPDATE]);
fprintf(f, "tupdate %s ", sprint_time(tupdate, b1));
}
if (tb[TCA_PIE_ALPHA] &&
RTA_PAYLOAD(tb[TCA_PIE_ALPHA]) >= sizeof(__u32)) {
alpha = rta_getattr_u32(tb[TCA_PIE_ALPHA]);
fprintf(f, "alpha %u ", alpha);
}
if (tb[TCA_PIE_BETA] &&
RTA_PAYLOAD(tb[TCA_PIE_BETA]) >= sizeof(__u32)) {
beta = rta_getattr_u32(tb[TCA_PIE_BETA]);
fprintf(f, "beta %u ", beta);
}
if (tb[TCA_PIE_ECN] && RTA_PAYLOAD(tb[TCA_PIE_ECN]) >= sizeof(__u32)) {
ecn = rta_getattr_u32(tb[TCA_PIE_ECN]);
if (ecn)
fprintf(f, "ecn ");
}
if (tb[TCA_PIE_BYTEMODE] &&
RTA_PAYLOAD(tb[TCA_PIE_BYTEMODE]) >= sizeof(__u32)) {
bytemode = rta_getattr_u32(tb[TCA_PIE_BYTEMODE]);
if (bytemode)
fprintf(f, "bytemode ");
}
return 0;
}
static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
if (!tb)
return;
if (tb[IFLA_BR_FORWARD_DELAY])
fprintf(f, "forward_delay %u ",
rta_getattr_u32(tb[IFLA_BR_FORWARD_DELAY]));
if (tb[IFLA_BR_HELLO_TIME])
fprintf(f, "hello_time %u ",
rta_getattr_u32(tb[IFLA_BR_HELLO_TIME]));
if (tb[IFLA_BR_MAX_AGE])
fprintf(f, "max_age %u ",
rta_getattr_u32(tb[IFLA_BR_MAX_AGE]));
if (tb[IFLA_BR_AGEING_TIME])
fprintf(f, "ageing_time %u ",
rta_getattr_u32(tb[IFLA_BR_AGEING_TIME]));
if (tb[IFLA_BR_STP_STATE])
fprintf(f, "stp_state %u ",
rta_getattr_u32(tb[IFLA_BR_STP_STATE]));
if (tb[IFLA_BR_PRIORITY])
fprintf(f, "priority %u ",
rta_getattr_u16(tb[IFLA_BR_PRIORITY]));
if (tb[IFLA_BR_VLAN_FILTERING])
fprintf(f, "vlan_filtering %u ",
rta_getattr_u8(tb[IFLA_BR_VLAN_FILTERING]));
if (tb[IFLA_BR_VLAN_PROTOCOL]) {
SPRINT_BUF(b1);
fprintf(f, "vlan_protocol %s ",
ll_proto_n2a(rta_getattr_u16(tb[IFLA_BR_VLAN_PROTOCOL]),
b1, sizeof(b1)));
}
}
static int qfq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_QFQ_MAX + 1];
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_QFQ_MAX, opt);
if (tb[TCA_QFQ_WEIGHT]) {
fprintf(f, "weight %u ",
rta_getattr_u32(tb[TCA_QFQ_WEIGHT]));
}
if (tb[TCA_QFQ_LMAX]) {
fprintf(f, "maxpkt %u ",
rta_getattr_u32(tb[TCA_QFQ_LMAX]));
}
return 0;
}
int
print_police(struct action_util *a, FILE *f, struct rtattr *arg)
{
SPRINT_BUF(b1);
SPRINT_BUF(b2);
struct tc_police *p;
struct rtattr *tb[TCA_POLICE_MAX+1];
unsigned buffer;
unsigned int linklayer;
if (arg == NULL)
return 0;
parse_rtattr_nested(tb, TCA_POLICE_MAX, arg);
if (tb[TCA_POLICE_TBF] == NULL) {
fprintf(f, "[NULL police tbf]");
return 0;
}
#ifndef STOOPID_8BYTE
if (RTA_PAYLOAD(tb[TCA_POLICE_TBF]) < sizeof(*p)) {
fprintf(f, "[truncated police tbf]");
return -1;
}
#endif
p = RTA_DATA(tb[TCA_POLICE_TBF]);
fprintf(f, " police 0x%x ", p->index);
fprintf(f, "rate %s ", sprint_rate(p->rate.rate, b1));
buffer = tc_calc_xmitsize(p->rate.rate, p->burst);
fprintf(f, "burst %s ", sprint_size(buffer, b1));
fprintf(f, "mtu %s ", sprint_size(p->mtu, b1));
if (show_raw)
fprintf(f, "[%08x] ", p->burst);
if (p->peakrate.rate)
fprintf(f, "peakrate %s ", sprint_rate(p->peakrate.rate, b1));
if (tb[TCA_POLICE_AVRATE])
fprintf(f, "avrate %s ", sprint_rate(rta_getattr_u32(tb[TCA_POLICE_AVRATE]), b1));
fprintf(f, "action %s", police_action_n2a(p->action, b1, sizeof(b1)));
if (tb[TCA_POLICE_RESULT]) {
fprintf(f, "/%s ", police_action_n2a(*(int*)RTA_DATA(tb[TCA_POLICE_RESULT]), b1, sizeof(b1)));
} else
fprintf(f, " ");
fprintf(f, "overhead %ub ", p->rate.overhead);
linklayer = (p->rate.linklayer & TC_LINKLAYER_MASK);
if (linklayer > TC_LINKLAYER_ETHERNET || show_details)
fprintf(f, "linklayer %s ", sprint_linklayer(linklayer, b2));
fprintf(f, "\nref %d bind %d\n",p->refcnt, p->bindcnt);
return 0;
}
static int fw_print_opt(struct filter_util *qu, FILE *f, struct rtattr *opt, __u32 handle)
{
struct rtattr *tb[TCA_FW_MAX+1];
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_FW_MAX, opt);
if (handle || tb[TCA_FW_MASK]) {
__u32 mark = 0, mask = 0;
if(handle)
mark = handle;
if(tb[TCA_FW_MASK] &&
(mask = rta_getattr_u32(tb[TCA_FW_MASK])) != 0xFFFFFFFF)
fprintf(f, "handle 0x%x/0x%x ", mark, mask);
else
fprintf(f, "handle 0x%x ", handle);
}
if (tb[TCA_FW_CLASSID]) {
SPRINT_BUF(b1);
fprintf(f, "classid %s ", sprint_tc_classid(rta_getattr_u32(tb[TCA_FW_CLASSID]), b1));
}
if (tb[TCA_FW_POLICE])
tc_print_police(f, tb[TCA_FW_POLICE]);
if (tb[TCA_FW_INDEV]) {
struct rtattr *idev = tb[TCA_FW_INDEV];
fprintf(f, "input dev %s ",rta_getattr_str(idev));
}
if (tb[TCA_FW_ACT]) {
fprintf(f, "\n");
tc_print_action(f, tb[TCA_FW_ACT]);
}
return 0;
}
static int drr_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_DRR_MAX + 1];
SPRINT_BUF(b1);
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_DRR_MAX, opt);
if (tb[TCA_DRR_QUANTUM])
fprintf(f, "quantum %s ",
sprint_size(rta_getattr_u32(tb[TCA_DRR_QUANTUM]), b1));
return 0;
}
unsigned int print_name_and_link(const char *fmt,
const char *name, struct rtattr *tb[])
{
const char *link = NULL;
unsigned int m_flag = 0;
SPRINT_BUF(b1);
if (tb[IFLA_LINK]) {
int iflink = rta_getattr_u32(tb[IFLA_LINK]);
if (iflink) {
if (tb[IFLA_LINK_NETNSID]) {
if (is_json_context()) {
print_int(PRINT_JSON,
"link_index", NULL, iflink);
} else {
link = ll_idx_n2a(iflink);
}
} else {
link = ll_index_to_name(iflink);
if (is_json_context()) {
print_string(PRINT_JSON,
"link", NULL, link);
link = NULL;
}
m_flag = ll_index_to_flags(iflink);
m_flag = !(m_flag & IFF_UP);
}
} else {
if (is_json_context())
print_null(PRINT_JSON, "link", NULL, NULL);
else
link = "NONE";
}
if (link) {
snprintf(b1, sizeof(b1), "%s@%s", name, link);
name = b1;
}
}
print_color_string(PRINT_ANY, COLOR_IFNAME, "ifname", fmt, name);
return m_flag;
}
static int bpf_print_opt(struct action_util *au, FILE *f, struct rtattr *arg)
{
struct rtattr *tb[TCA_ACT_BPF_MAX + 1];
struct tc_act_bpf *parm;
SPRINT_BUF(action_buf);
if (arg == NULL)
return -1;
parse_rtattr_nested(tb, TCA_ACT_BPF_MAX, arg);
if (!tb[TCA_ACT_BPF_PARMS]) {
fprintf(f, "[NULL bpf parameters]");
return -1;
}
parm = RTA_DATA(tb[TCA_ACT_BPF_PARMS]);
fprintf(f, "bpf ");
if (tb[TCA_ACT_BPF_NAME])
fprintf(f, "%s ", rta_getattr_str(tb[TCA_ACT_BPF_NAME]));
else if (tb[TCA_ACT_BPF_FD])
fprintf(f, "pfd %u ", rta_getattr_u32(tb[TCA_ACT_BPF_FD]));
if (tb[TCA_ACT_BPF_OPS] && tb[TCA_ACT_BPF_OPS_LEN]) {
bpf_print_ops(f, tb[TCA_ACT_BPF_OPS],
rta_getattr_u16(tb[TCA_ACT_BPF_OPS_LEN]));
fprintf(f, " ");
}
fprintf(f, "default-action %s\n", action_n2a(parm->action, action_buf,
sizeof(action_buf)));
fprintf(f, "\tindex %d ref %d bind %d", parm->index, parm->refcnt,
parm->bindcnt);
if (show_stats) {
if (tb[TCA_ACT_BPF_TM]) {
struct tcf_t *tm = RTA_DATA(tb[TCA_ACT_BPF_TM]);
print_tm(f, tm);
}
}
fprintf(f, "\n ");
return 0;
}
static __u64 getattr_u64(struct rtattr *stat)
{
switch (RTA_PAYLOAD(stat)) {
case sizeof(__u64):
return rta_getattr_u64(stat);
case sizeof(__u32):
return rta_getattr_u32(stat);
case sizeof(__u16):
return rta_getattr_u16(stat);
case sizeof(__u8):
return rta_getattr_u8(stat);
default:
fprintf(stderr, "invalid attribute length %lu\n",
RTA_PAYLOAD(stat));
exit(-1);
}
}
static int red_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_NRED_MAX + 1];
struct tc_nred_qopt *qopt;
__u32 max_P = 0;
SPRINT_BUF(b1);
SPRINT_BUF(b2);
SPRINT_BUF(b3);
//SPRINT_BUF(b4);
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_NRED_MAX, opt);
if (tb[TCA_NRED_PARMS] == NULL)
return -1;
qopt = RTA_DATA(tb[TCA_NRED_PARMS]);
if (RTA_PAYLOAD(tb[TCA_NRED_PARMS]) < sizeof(*qopt))
return -1;
if (tb[TCA_NRED_MAX_P] &&
RTA_PAYLOAD(tb[TCA_NRED_MAX_P]) >= sizeof(__u32))
max_P = rta_getattr_u32(tb[TCA_NRED_MAX_P]);
fprintf(f, "limit %s min %s max %s ",
sprint_size(qopt->limit, b1),
sprint_size(qopt->qth_min, b2),
sprint_size(qopt->qth_max, b3));
//sprint_size(qopt->decrement, b4));
if (qopt->flags & TC_RED_ECN)
fprintf(f, "ecn ");
if (qopt->flags & TC_RED_HARDDROP)
fprintf(f, "harddrop ");
if (qopt->flags & TC_RED_ADAPTATIVE)
fprintf(f, "adaptive ");
if (show_details) {
fprintf(f, "ewma %u ", qopt->Wlog);
if (max_P)
fprintf(f, "probability %lg ", max_P / pow(2, 32));
else
fprintf(f, "Plog %u ", qopt->Plog);
fprintf(f, "Scell_log %u", qopt->Scell_log);
}
return 0;
}
static void print_ila_locid(FILE *fp, int attr, struct rtattr *tb[], int space)
{
char abuf[256];
size_t blen;
int i;
if (tb[attr]) {
blen = print_addr64(rta_getattr_u32(tb[attr]),
abuf, sizeof(abuf));
fprintf(fp, "%s", abuf);
} else {
fprintf(fp, "-");
blen = 1;
}
for (i = 0; i < space - blen; i++)
fprintf(fp, " ");
}
static int get_netnsid_from_name(const char *name)
{
struct {
struct nlmsghdr n;
struct rtgenmsg g;
char buf[1024];
} req, answer;
struct rtattr *tb[NETNSA_MAX + 1];
struct rtgenmsg *rthdr;
int len, fd;
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtgenmsg));
req.n.nlmsg_flags = NLM_F_REQUEST;
req.n.nlmsg_type = RTM_GETNSID;
req.g.rtgen_family = AF_UNSPEC;
fd = netns_get_fd(name);
if (fd < 0)
return fd;
addattr32(&req.n, 1024, NETNSA_FD, fd);
if (rtnl_talk(&rth, &req.n, 0, 0, &answer.n) < 0) {
close(fd);
return -2;
}
close(fd);
/* Validate message and parse attributes */
if (answer.n.nlmsg_type == NLMSG_ERROR)
return -1;
rthdr = NLMSG_DATA(&answer.n);
len = answer.n.nlmsg_len - NLMSG_SPACE(sizeof(*rthdr));
if (len < 0)
return -1;
parse_rtattr(tb, NETNSA_MAX, NETNS_RTA(rthdr), len);
if (tb[NETNSA_NSID])
return rta_getattr_u32(tb[NETNSA_NSID]);
return -1;
}
static void macvtap_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
__u32 mode;
if (!tb)
return;
if (!tb[IFLA_MACVLAN_MODE] ||
RTA_PAYLOAD(tb[IFLA_MACVLAN_MODE]) < sizeof(__u32))
return;
mode = rta_getattr_u32(tb[IFLA_VLAN_ID]);
fprintf(f, " mode %s ",
mode == MACVLAN_MODE_PRIVATE ? "private"
: mode == MACVLAN_MODE_VEPA ? "vepa"
: mode == MACVLAN_MODE_BRIDGE ? "bridge"
: mode == MACVLAN_MODE_PASSTHRU ? "passthru"
: "unknown");
}
static void print_tx_sc(const char *prefix, __u64 sci, __u8 encoding_sa,
struct rtattr *txsc_stats, struct rtattr *secy_stats,
struct rtattr *sa)
{
struct rtattr *sa_attr[MACSEC_SA_ATTR_MAX + 1];
struct rtattr *a;
int rem;
print_string(PRINT_FP, NULL, "%s", prefix);
print_0xhex(PRINT_ANY, "sci",
"TXSC: %016llx", ntohll(sci));
print_uint(PRINT_ANY, "encoding_sa",
" on SA %d\n", encoding_sa);
print_secy_stats(prefix, secy_stats);
print_txsc_stats(prefix, txsc_stats);
open_json_array(PRINT_JSON, "sa_list");
rem = RTA_PAYLOAD(sa);
for (a = RTA_DATA(sa); RTA_OK(a, rem); a = RTA_NEXT(a, rem)) {
bool state;
open_json_object(NULL);
parse_rtattr_nested(sa_attr, MACSEC_SA_ATTR_MAX + 1, a);
state = rta_getattr_u8(sa_attr[MACSEC_SA_ATTR_ACTIVE]);
print_string(PRINT_FP, NULL, "%s", prefix);
print_string(PRINT_FP, NULL, "%s", prefix);
print_uint(PRINT_ANY, "an", "%d:",
rta_getattr_u8(sa_attr[MACSEC_SA_ATTR_AN]));
print_uint(PRINT_ANY, "pn", " PN %u,",
rta_getattr_u32(sa_attr[MACSEC_SA_ATTR_PN]));
print_bool(PRINT_JSON, "active", NULL, state);
print_string(PRINT_FP, NULL,
" state %s,", state ? "on" : "off");
print_key(sa_attr[MACSEC_SA_ATTR_KEYID]);
print_txsa_stats(prefix, sa_attr[MACSEC_SA_ATTR_STATS]);
close_json_object();
}
close_json_array(PRINT_JSON, NULL);
}
static void print_rxsc_list(struct rtattr *sc)
{
int rem = RTA_PAYLOAD(sc);
struct rtattr *c;
open_json_array(PRINT_JSON, "rx_sc");
for (c = RTA_DATA(sc); RTA_OK(c, rem); c = RTA_NEXT(c, rem)) {
struct rtattr *sc_attr[MACSEC_RXSC_ATTR_MAX + 1];
open_json_object(NULL);
parse_rtattr_nested(sc_attr, MACSEC_RXSC_ATTR_MAX + 1, c);
print_rx_sc(" ",
rta_getattr_u64(sc_attr[MACSEC_RXSC_ATTR_SCI]),
rta_getattr_u32(sc_attr[MACSEC_RXSC_ATTR_ACTIVE]),
sc_attr[MACSEC_RXSC_ATTR_STATS],
sc_attr[MACSEC_RXSC_ATTR_SA_LIST]);
close_json_object();
}
close_json_array(PRINT_JSON, NULL);
}
static void print_attrs(struct rtattr *attrs[])
{
print_flag(attrs, "protect", MACSEC_SECY_ATTR_PROTECT);
if (attrs[MACSEC_SECY_ATTR_VALIDATE]) {
__u8 val = rta_getattr_u8(attrs[MACSEC_SECY_ATTR_VALIDATE]);
print_string(PRINT_ANY, "validate",
"validate %s ", validate_str[val]);
}
print_flag(attrs, "sc", MACSEC_RXSC_ATTR_ACTIVE);
print_flag(attrs, "sa", MACSEC_SA_ATTR_ACTIVE);
print_flag(attrs, "encrypt", MACSEC_SECY_ATTR_ENCRYPT);
print_flag(attrs, "send_sci", MACSEC_SECY_ATTR_INC_SCI);
print_flag(attrs, "end_station", MACSEC_SECY_ATTR_ES);
print_flag(attrs, "scb", MACSEC_SECY_ATTR_SCB);
print_flag(attrs, "replay", MACSEC_SECY_ATTR_REPLAY);
if (attrs[MACSEC_SECY_ATTR_WINDOW]) {
__u32 win = rta_getattr_u32(attrs[MACSEC_SECY_ATTR_WINDOW]);
print_uint(PRINT_ANY, "window", "window %u ", win);
}
if (attrs[MACSEC_SECY_ATTR_CIPHER_SUITE]) {
__u64 cid = rta_getattr_u64(attrs[MACSEC_SECY_ATTR_CIPHER_SUITE]);
print_string(PRINT_FP, NULL, "%s", _SL_);
print_string(PRINT_ANY, "cipher_suite",
" cipher suite: %s,", cs_id_to_name(cid));
}
if (attrs[MACSEC_SECY_ATTR_ICV_LEN]) {
__u8 icv_len = rta_getattr_u8(attrs[MACSEC_SECY_ATTR_ICV_LEN]);
print_uint(PRINT_ANY, "icv_length",
" using ICV length %u\n", icv_len);
}
}
static int print_object(FILE *fd, struct tcf_meta_val *obj, struct rtattr *rta)
{
int id = TCF_META_ID(obj->kind);
int type = TCF_META_TYPE(obj->kind);
struct meta_entry *entry;
if (id == TCF_META_ID_VALUE)
return print_value(fd, type, rta);
entry = lookup_meta_entry_byid(id);
if (entry == NULL)
fprintf(fd, "[unknown meta id %d]", id);
else
fprintf(fd, "%s", entry->kind);
if (obj->shift)
fprintf(fd, " shift %d", obj->shift);
switch (type) {
case TCF_META_TYPE_INT:
if (rta) {
if (RTA_PAYLOAD(rta) < sizeof(__u32))
goto size_mismatch;
fprintf(fd, " mask 0x%08x",
rta_getattr_u32(rta));
}
break;
}
return 0;
size_mismatch:
fprintf(stderr, "meta int type mask TLV size mismatch\n");
return -1;
}
static int choke_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_CHOKE_MAX+1];
const struct tc_red_qopt *qopt;
__u32 max_P = 0;
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_CHOKE_MAX, opt);
if (tb[TCA_CHOKE_PARMS] == NULL)
return -1;
qopt = RTA_DATA(tb[TCA_CHOKE_PARMS]);
if (RTA_PAYLOAD(tb[TCA_CHOKE_PARMS]) < sizeof(*qopt))
return -1;
if (tb[TCA_CHOKE_MAX_P] &&
RTA_PAYLOAD(tb[TCA_CHOKE_MAX_P]) >= sizeof(__u32))
max_P = rta_getattr_u32(tb[TCA_CHOKE_MAX_P]);
fprintf(f, "limit %up min %up max %up ",
qopt->limit, qopt->qth_min, qopt->qth_max);
if (qopt->flags & TC_RED_ECN)
fprintf(f, "ecn ");
if (show_details) {
fprintf(f, "ewma %u ", qopt->Wlog);
if (max_P)
fprintf(f, "probability %g ", max_P / pow(2, 32));
else
fprintf(f, "Plog %u ", qopt->Plog);
fprintf(f, "Scell_log %u", qopt->Scell_log);
}
return 0;
}
static inline int print_value(FILE *fd, int type, struct rtattr *rta)
{
if (rta == NULL) {
fprintf(stderr, "Missing value TLV\n");
return -1;
}
switch(type) {
case TCF_META_TYPE_INT:
if (RTA_PAYLOAD(rta) < sizeof(__u32)) {
fprintf(stderr, "meta int type value TLV " \
"size mismatch.\n");
return -1;
}
fprintf(fd, "%d", rta_getattr_u32(rta));
break;
case TCF_META_TYPE_VAR:
print_binary(fd, RTA_DATA(rta), RTA_PAYLOAD(rta));
break;
}
return 0;
}
static unsigned int get_ifa_flags(struct ifaddrmsg *ifa,
struct rtattr *ifa_flags_attr)
{
return ifa_flags_attr ? rta_getattr_u32(ifa_flags_attr) :
ifa->ifa_flags;
}
static int gre_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
struct {
struct nlmsghdr n;
struct ifinfomsg i;
char buf[1024];
} req;
struct ifinfomsg *ifi = (struct ifinfomsg *)(n + 1);
struct rtattr *tb[IFLA_MAX + 1];
struct rtattr *linkinfo[IFLA_INFO_MAX+1];
struct rtattr *greinfo[IFLA_GRE_MAX + 1];
__u16 iflags = 0;
__u16 oflags = 0;
unsigned ikey = 0;
unsigned okey = 0;
struct in6_addr raddr = IN6ADDR_ANY_INIT;
struct in6_addr laddr = IN6ADDR_ANY_INIT;
unsigned link = 0;
unsigned flowinfo = 0;
unsigned flags = 0;
__u8 hop_limit = DEFAULT_TNL_HOP_LIMIT;
__u8 encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT;
int len;
if (!(n->nlmsg_flags & NLM_F_CREATE)) {
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(*ifi));
req.n.nlmsg_flags = NLM_F_REQUEST;
req.n.nlmsg_type = RTM_GETLINK;
req.i.ifi_family = preferred_family;
req.i.ifi_index = ifi->ifi_index;
if (rtnl_talk(&rth, &req.n, 0, 0, &req.n) < 0) {
get_failed:
fprintf(stderr,
"Failed to get existing tunnel info.\n");
return -1;
}
len = req.n.nlmsg_len;
len -= NLMSG_LENGTH(sizeof(*ifi));
if (len < 0)
goto get_failed;
parse_rtattr(tb, IFLA_MAX, IFLA_RTA(&req.i), len);
if (!tb[IFLA_LINKINFO])
goto get_failed;
parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb[IFLA_LINKINFO]);
if (!linkinfo[IFLA_INFO_DATA])
goto get_failed;
parse_rtattr_nested(greinfo, IFLA_GRE_MAX,
linkinfo[IFLA_INFO_DATA]);
if (greinfo[IFLA_GRE_IKEY])
ikey = rta_getattr_u32(greinfo[IFLA_GRE_IKEY]);
if (greinfo[IFLA_GRE_OKEY])
okey = rta_getattr_u32(greinfo[IFLA_GRE_OKEY]);
if (greinfo[IFLA_GRE_IFLAGS])
iflags = rta_getattr_u16(greinfo[IFLA_GRE_IFLAGS]);
if (greinfo[IFLA_GRE_OFLAGS])
oflags = rta_getattr_u16(greinfo[IFLA_GRE_OFLAGS]);
if (greinfo[IFLA_GRE_LOCAL])
memcpy(&laddr, RTA_DATA(greinfo[IFLA_GRE_LOCAL]), sizeof(laddr));
if (greinfo[IFLA_GRE_REMOTE])
memcpy(&raddr, RTA_DATA(greinfo[IFLA_GRE_REMOTE]), sizeof(raddr));
if (greinfo[IFLA_GRE_TTL])
hop_limit = rta_getattr_u8(greinfo[IFLA_GRE_TTL]);
if (greinfo[IFLA_GRE_LINK])
link = rta_getattr_u32(greinfo[IFLA_GRE_LINK]);
if (greinfo[IFLA_GRE_ENCAP_LIMIT])
encap_limit = rta_getattr_u8(greinfo[IFLA_GRE_ENCAP_LIMIT]);
if (greinfo[IFLA_GRE_FLOWINFO])
flowinfo = rta_getattr_u32(greinfo[IFLA_GRE_FLOWINFO]);
if (greinfo[IFLA_GRE_FLAGS])
flags = rta_getattr_u32(greinfo[IFLA_GRE_FLAGS]);
}
while (argc > 0) {
if (!matches(*argv, "key")) {
unsigned uval;
NEXT_ARG();
iflags |= GRE_KEY;
oflags |= GRE_KEY;
if (strchr(*argv, '.'))
uval = get_addr32(*argv);
else {
if (get_unsigned(&uval, *argv, 0) < 0) {
fprintf(stderr,
"Invalid value for \"key\"\n");
exit(-1);
}
uval = htonl(uval);
}
ikey = okey = uval;
} else if (!matches(*argv, "ikey")) {
unsigned uval;
NEXT_ARG();
iflags |= GRE_KEY;
if (strchr(*argv, '.'))
uval = get_addr32(*argv);
else {
if (get_unsigned(&uval, *argv, 0)<0) {
fprintf(stderr, "invalid value of \"ikey\"\n");
exit(-1);
}
uval = htonl(uval);
}
ikey = uval;
} else if (!matches(*argv, "okey")) {
unsigned uval;
NEXT_ARG();
oflags |= GRE_KEY;
if (strchr(*argv, '.'))
uval = get_addr32(*argv);
else {
if (get_unsigned(&uval, *argv, 0)<0) {
fprintf(stderr, "invalid value of \"okey\"\n");
exit(-1);
}
uval = htonl(uval);
}
okey = uval;
} else if (!matches(*argv, "seq")) {
iflags |= GRE_SEQ;
oflags |= GRE_SEQ;
} else if (!matches(*argv, "iseq")) {
iflags |= GRE_SEQ;
} else if (!matches(*argv, "oseq")) {
oflags |= GRE_SEQ;
} else if (!matches(*argv, "csum")) {
iflags |= GRE_CSUM;
oflags |= GRE_CSUM;
} else if (!matches(*argv, "icsum")) {
iflags |= GRE_CSUM;
} else if (!matches(*argv, "ocsum")) {
oflags |= GRE_CSUM;
} else if (!matches(*argv, "remote")) {
inet_prefix addr;
NEXT_ARG();
get_prefix(&addr, *argv, preferred_family);
if (addr.family == AF_UNSPEC)
invarg("\"remote\" address family is AF_UNSPEC", *argv);
memcpy(&raddr, &addr.data, sizeof(raddr));
} else if (!matches(*argv, "local")) {
inet_prefix addr;
NEXT_ARG();
get_prefix(&addr, *argv, preferred_family);
if (addr.family == AF_UNSPEC)
invarg("\"local\" address family is AF_UNSPEC", *argv);
memcpy(&laddr, &addr.data, sizeof(laddr));
} else if (!matches(*argv, "dev")) {
NEXT_ARG();
link = if_nametoindex(*argv);
if (link == 0) {
fprintf(stderr, "Cannot find device \"%s\"\n",
*argv);
exit(-1);
}
} else if (!matches(*argv, "ttl") ||
!matches(*argv, "hoplimit")) {
__u8 uval;
NEXT_ARG();
if (get_u8(&uval, *argv, 0))
invarg("invalid TTL", *argv);
hop_limit = uval;
} else if (!matches(*argv, "tos") ||
!matches(*argv, "tclass") ||
!matches(*argv, "dsfield")) {
__u8 uval;
NEXT_ARG();
if (strcmp(*argv, "inherit") == 0)
flags |= IP6_TNL_F_USE_ORIG_TCLASS;
else {
if (get_u8(&uval, *argv, 16))
invarg("invalid TClass", *argv);
flowinfo |= htonl((__u32)uval << 20) & IP6_FLOWINFO_TCLASS;
flags &= ~IP6_TNL_F_USE_ORIG_TCLASS;
}
} else if (strcmp(*argv, "flowlabel") == 0 ||
strcmp(*argv, "fl") == 0) {
__u32 uval;
NEXT_ARG();
if (strcmp(*argv, "inherit") == 0)
flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL;
else {
if (get_u32(&uval, *argv, 16))
invarg("invalid Flowlabel", *argv);
if (uval > 0xFFFFF)
invarg("invalid Flowlabel", *argv);
flowinfo |= htonl(uval) & IP6_FLOWINFO_FLOWLABEL;
flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL;
}
} else if (strcmp(*argv, "dscp") == 0) {
NEXT_ARG();
if (strcmp(*argv, "inherit") != 0)
invarg("not inherit", *argv);
flags |= IP6_TNL_F_RCV_DSCP_COPY;
} else
usage();
argc--; argv++;
}
addattr32(n, 1024, IFLA_GRE_IKEY, ikey);
addattr32(n, 1024, IFLA_GRE_OKEY, okey);
addattr_l(n, 1024, IFLA_GRE_IFLAGS, &iflags, 2);
addattr_l(n, 1024, IFLA_GRE_OFLAGS, &oflags, 2);
addattr_l(n, 1024, IFLA_GRE_LOCAL, &laddr, sizeof(laddr));
addattr_l(n, 1024, IFLA_GRE_REMOTE, &raddr, sizeof(raddr));
if (link)
addattr32(n, 1024, IFLA_GRE_LINK, link);
addattr_l(n, 1024, IFLA_GRE_TTL, &hop_limit, 1);
addattr_l(n, 1024, IFLA_GRE_ENCAP_LIMIT, &encap_limit, 1);
addattr_l(n, 1024, IFLA_GRE_FLOWINFO, &flowinfo, 4);
addattr_l(n, 1024, IFLA_GRE_FLAGS, &flowinfo, 4);
return 0;
}
