4 Mar
2018
4 Mar
'18
5:34 p.m.
On Sonntag, 4. März 2018 17:41:26 CET Sven Eckelmann wrote:
On Dienstag, 27. Februar 2018 09:10:15 CET Linus
Lüssing wrote:
Btw. this function was introduced with linux-4.1 [1] and older kernels will
need compat code for it.
Kind regards,
Sven
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?…
+ if (nla_put_u32(msg,
BATADV_ATTR_DC_ADDRESS, ip) ||
+ nla_put(msg, BATADV_ATTR_DC_HWADDRESS, ETH_ALEN,
+ dat_entry->mac_addr) ||
+ nla_put_u16(msg, BATADV_ATTR_DC_VID, dat_entry->vid) ||
+ nla_put_u32(msg, BATADV_ATTR_LAST_SEEN_MSECS, msecs)) {
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
Just found that there is a function to send IPv4 addresses
(BATADV_ATTR_DC_ADDRESS) to userspace: nla_put_in_addr. It requires that you
provide the IPv4 address in __be32 format and not in host format. It is maybe
a good idea to use it and keep it more consistent with the rest of the kernel.