IB/mad: Add support for additional MAD info to/from drivers

[people/ms/linux.git] / drivers / infiniband / hw / qib / qib_mad.c

diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
index 206b2050b247d1eb6dbcb25cbe2ec07c7622c1d0..05e3242d84425acd6229204e642084a4ce0f654d 100644 (file)
--- a/drivers/infiniband/hw/qib/qib_mad.c
+++ b/drivers/infiniband/hw/qib/qib_mad.c
@@ -2402,11 +2402,18 @@ bail:
  */
 int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port,
                    const struct ib_wc *in_wc, const struct ib_grh *in_grh,
-                   const struct ib_mad *in_mad, struct ib_mad *out_mad)
+                   const struct ib_mad_hdr *in, size_t in_mad_size,
+                   struct ib_mad_hdr *out, size_t *out_mad_size,
+                   u16 *out_mad_pkey_index)
 {
        int ret;
        struct qib_ibport *ibp = to_iport(ibdev, port);
        struct qib_pportdata *ppd = ppd_from_ibp(ibp);
+       const struct ib_mad *in_mad = (const struct ib_mad *)in;
+       struct ib_mad *out_mad = (struct ib_mad *)out;
+
+       BUG_ON(in_mad_size != sizeof(*in_mad) ||
+              *out_mad_size != sizeof(*out_mad));
 
        switch (in_mad->mad_hdr.mgmt_class) {
        case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: