mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 03:10:12 +00:00
IB/mad: Return error response for unsupported MADs
Set up a response with appropriate error status and send it for MADs that are not supported by a specific class/version. Reviewed-by: Hal Rosenstock <hal@mellanox.com> Signed-off-by: Swapna Thete <swapna.thete@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
parent
d144b650c6
commit
0b30704304
1 changed files with 21 additions and 0 deletions
|
@ -1842,6 +1842,24 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv,
|
|||
}
|
||||
}
|
||||
|
||||
static bool generate_unmatched_resp(struct ib_mad_private *recv,
|
||||
struct ib_mad_private *response)
|
||||
{
|
||||
if (recv->mad.mad.mad_hdr.method == IB_MGMT_METHOD_GET ||
|
||||
recv->mad.mad.mad_hdr.method == IB_MGMT_METHOD_SET) {
|
||||
memcpy(response, recv, sizeof *response);
|
||||
response->header.recv_wc.wc = &response->header.wc;
|
||||
response->header.recv_wc.recv_buf.mad = &response->mad.mad;
|
||||
response->header.recv_wc.recv_buf.grh = &response->grh;
|
||||
response->mad.mad.mad_hdr.method = IB_MGMT_METHOD_GET_RESP;
|
||||
response->mad.mad.mad_hdr.status =
|
||||
cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB);
|
||||
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
|
||||
struct ib_wc *wc)
|
||||
{
|
||||
|
@ -1963,6 +1981,9 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
|
|||
* or via recv_handler in ib_mad_complete_recv()
|
||||
*/
|
||||
recv = NULL;
|
||||
} else if (generate_unmatched_resp(recv, response)) {
|
||||
agent_send_response(&response->mad.mad, &recv->grh, wc,
|
||||
port_priv->device, port_num, qp_info->qp->qp_num);
|
||||
}
|
||||
|
||||
out:
|
||||
|
|
Loading…
Reference in a new issue