diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mad.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mad.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index e98849338a94..318d5bcf821b 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -185,6 +185,10 @@ static void smp_snoop(struct ib_device *ibdev, u8 port_num, struct ib_mad *mad, { struct ib_port_info *pinfo; u16 lid; + __be16 *base; + u32 bn, pkey_change_bitmap; + int i; + struct mlx4_ib_dev *dev = to_mdev(ibdev); if ((mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED || @@ -209,8 +213,33 @@ static void smp_snoop(struct ib_device *ibdev, u8 port_num, struct ib_mad *mad, break; case IB_SMP_ATTR_PKEY_TABLE: - mlx4_ib_dispatch_event(dev, port_num, - IB_EVENT_PKEY_CHANGE); + if (!mlx4_is_mfunc(dev->dev)) { + mlx4_ib_dispatch_event(dev, port_num, + IB_EVENT_PKEY_CHANGE); + break; + } + + bn = be32_to_cpu(((struct ib_smp *)mad)->attr_mod) & 0xFFFF; + base = (__be16 *) &(((struct ib_smp *)mad)->data[0]); + pkey_change_bitmap = 0; + for (i = 0; i < 32; i++) { + pr_debug("PKEY[%d] = x%x\n", + i + bn*32, be16_to_cpu(base[i])); + if (be16_to_cpu(base[i]) != + dev->pkeys.phys_pkey_cache[port_num - 1][i + bn*32]) { + pkey_change_bitmap |= (1 << i); + dev->pkeys.phys_pkey_cache[port_num - 1][i + bn*32] = + be16_to_cpu(base[i]); + } + } + pr_debug("PKEY Change event: port=%d, " + "block=0x%x, change_bitmap=0x%x\n", + port_num, bn, pkey_change_bitmap); + + if (pkey_change_bitmap) + mlx4_ib_dispatch_event(dev, port_num, + IB_EVENT_PKEY_CHANGE); + break; case IB_SMP_ATTR_GUID_INFO: |