Comments (3)
Grepping through the code, I guess this message comes from rtnl_bridge_notify(), which only sends a minimal message:
static inline size_t bridge_nlmsg_size(void)
{
return NLMSG_ALIGN(sizeof(struct ifinfomsg))
+ nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */
+ nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */
+ nla_total_size(sizeof(u32)) /* IFLA_MASTER */
+ nla_total_size(sizeof(u32)) /* IFLA_MTU */
+ nla_total_size(sizeof(u32)) /* IFLA_LINK */
+ nla_total_size(sizeof(u32)) /* IFLA_OPERSTATE */
+ nla_total_size(sizeof(u8)) /* IFLA_PROTINFO */
+ nla_total_size(sizeof(struct nlattr)) /* IFLA_AF_SPEC */
+ nla_total_size(sizeof(u16)) /* IFLA_BRIDGE_FLAGS */
+ nla_total_size(sizeof(u16)); /* IFLA_BRIDGE_MODE */
}
I guess the proper solution would be to have a oo_update() that can merge this message into the existing object?
from libnl.
Grepping through the code, I guess this message comes from rtnl_bridge_notify(), which only sends a minimal message:
static inline size_t bridge_nlmsg_size(void) { return NLMSG_ALIGN(sizeof(struct ifinfomsg)) + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */ + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */ + nla_total_size(sizeof(u32)) /* IFLA_MASTER */ + nla_total_size(sizeof(u32)) /* IFLA_MTU */ + nla_total_size(sizeof(u32)) /* IFLA_LINK */ + nla_total_size(sizeof(u32)) /* IFLA_OPERSTATE */ + nla_total_size(sizeof(u8)) /* IFLA_PROTINFO */ + nla_total_size(sizeof(struct nlattr)) /* IFLA_AF_SPEC */ + nla_total_size(sizeof(u16)) /* IFLA_BRIDGE_FLAGS */ + nla_total_size(sizeof(u16)); /* IFLA_BRIDGE_MODE */ }
Scratch that, looking at [ATTR 26] (= IFLA_AF_SPEC)
, it contains a [ATTR 08] (= IFLA_BRIDGE_VLAN_INFO)
.
This implies this comes from br_info_notify()
:
void br_ifinfo_notify(int event, const struct net_bridge *br,
const struct net_bridge_port *port)
{
u32 filter = RTEXT_FILTER_BRVLAN_COMPRESSED;
return br_info_notify(event, br, port, filter);
}
which sends an update with just the VLAN info filled. And no IFLA_LINKINFO
, but ifi_family
set to AF_BRIDGE
.
from libnl.
I guess the proper solution would be to have a oo_update() that can merge this message into the existing object?
That sounds right.
from libnl.
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