diff options
Diffstat (limited to 'man7/netlink.7')
| -rw-r--r-- | man7/netlink.7 | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/man7/netlink.7 b/man7/netlink.7 index b4848dfa4f..e49136978f 100644 --- a/man7/netlink.7 +++ b/man7/netlink.7 @@ -400,7 +400,8 @@ is a pointer to .B __u32 and .I optlen -is the size of the array. The array is filled with the full membership set of the +is the size of the array. +The array is filled with the full membership set of the socket, and the required array size is returned in .I optlen. .\" commit b42be38b2778eda2237fc759e55e3b698b05b315 @@ -428,7 +429,8 @@ errors. When set, this socket will receive netlink notifications from all network namespaces that have an .I nsid -assigned into the network namespace where the socket has been opened. The +assigned into the network namespace where the socket has been opened. +The .I nsid is sent to user space via an ancillary data. .\" commit 59324cf35aba5336b611074028777838a963d03b @@ -436,8 +438,8 @@ is sent to user space via an ancillary data. .TP .BR NETLINK_CAP_ACK " (since Linux 4.2)" The kernel may fail to allocate the necessary room for the acknowledgment -message back to userspace. This option trims off the payload of the original -netlink message. +message back to userspace. +This option trims off the payload of the original netlink message. The netlink message header is still included, so the user can guess from the sequence number what is the message that has triggered the acknowledgment. .\" commit 0a6a3a23ea6efde079a5b77688541a98bf202721 |