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| author | Tobias Klauser <tklauser@distanz.ch> | 2016-12-06 11:02:54 (GMT) |
|---|---|---|
| committer | Tobias Klauser <tklauser@distanz.ch> | 2016-12-06 13:55:40 (GMT) |
| commit | 0c4b2ea6d17b3491b23f5ccb450176e05de75545 (patch) | |
| tree | 26cd99d6fa29b8d80e70929319fcfa325631a199 /lib | |
| parent | 993a62d4501a9b40461d9f1276a63246268b4a3a (diff) | |
| download | libnl-0c4b2ea6d17b3491b23f5ccb450176e05de75545.zip libnl-0c4b2ea6d17b3491b23f5ccb450176e05de75545.tar.gz libnl-0c4b2ea6d17b3491b23f5ccb450176e05de75545.tar.bz2 | |
link: add support for IFLA_CARRIER_CHANGES
Also expose the attribute value via link_dump_details()
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/route/link.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/lib/route/link.c b/lib/route/link.c index 6a6e0d3..287b623 100644 --- a/lib/route/link.c +++ b/lib/route/link.c @@ -64,8 +64,9 @@ #define LINK_ATTR_NS_FD (1 << 29) #define LINK_ATTR_NS_PID (1 << 30) /* 31 used by 32-bit api */ -#define LINK_ATTR_LINK_NETNSID ((uint64_t) 1 << 32) -#define LINK_ATTR_VF_LIST ((uint64_t) 1 << 33) +#define LINK_ATTR_LINK_NETNSID ((uint64_t) 1 << 32) +#define LINK_ATTR_VF_LIST ((uint64_t) 1 << 33) +#define LINK_ATTR_CARRIER_CHANGES ((uint64_t) 1 << 34) static struct nl_cache_ops rtnl_link_ops; static struct nl_object_ops link_obj_ops; @@ -348,6 +349,7 @@ struct nla_policy rtln_link_policy[IFLA_MAX+1] = { [IFLA_NUM_RX_QUEUES] = { .type = NLA_U32 }, [IFLA_GROUP] = { .type = NLA_U32 }, [IFLA_CARRIER] = { .type = NLA_U8 }, + [IFLA_CARRIER_CHANGES] = { .type = NLA_U32 }, [IFLA_PHYS_PORT_ID] = { .type = NLA_UNSPEC }, [IFLA_NET_NS_PID] = { .type = NLA_U32 }, [IFLA_NET_NS_FD] = { .type = NLA_U32 }, @@ -520,6 +522,11 @@ int rtnl_link_info_parse(struct rtnl_link *link, struct nlattr **tb) link->ce_mask |= LINK_ATTR_CARRIER; } + if (tb[IFLA_CARRIER_CHANGES]) { + link->l_carrier_changes = nla_get_u32(tb[IFLA_CARRIER_CHANGES]); + link->ce_mask |= LINK_ATTR_CARRIER_CHANGES; + } + if (tb[IFLA_OPERSTATE]) { link->l_operstate = nla_get_u8(tb[IFLA_OPERSTATE]); link->ce_mask |= LINK_ATTR_OPERSTATE; @@ -888,6 +895,9 @@ static void link_dump_details(struct nl_object *obj, struct nl_dump_params *p) nl_dump(p, "carrier %s", rtnl_link_carrier2str(link->l_carrier, buf, sizeof(buf))); + if (link->ce_mask & LINK_ATTR_CARRIER_CHANGES) + nl_dump(p, " carrier-changes %u", link->l_carrier_changes); + nl_dump(p, "\n"); if (link->l_info_ops && link->l_info_ops->io_dump[NL_DUMP_DETAILS]) @@ -1117,6 +1127,7 @@ static const struct trans_tbl link_attrs[] = { __ADD(LINK_ATTR_NUM_RX_QUEUES, num_rx_queues), __ADD(LINK_ATTR_GROUP, group), __ADD(LINK_ATTR_CARRIER, carrier), + __ADD(LINK_ATTR_CARRIER_CHANGES, carrier_changes), __ADD(LINK_ATTR_PHYS_PORT_ID, phys_port_id), __ADD(LINK_ATTR_NS_FD, ns_fd), __ADD(LINK_ATTR_NS_PID, ns_pid), @@ -2273,6 +2284,23 @@ uint8_t rtnl_link_get_carrier(struct rtnl_link *link) } /** + * Return carrier on/off changes of link object + * @arg link Link object + * + * @return Carrier changes. + */ +int rtnl_link_get_carrier_changes(struct rtnl_link *link, uint32_t *carrier_changes) +{ + if (!(link->ce_mask & LINK_ATTR_CARRIER_CHANGES)) + return -NLE_NOATTR; + + if (carrier_changes) + *carrier_changes = link->l_carrier_changes; + + return 0; +} + +/** * Set operational status of link object * @arg link Link object * @arg status New opertional status |