diff options
| author | Sean Hefty <sean.hefty@intel.com> | 2005-09-21 12:31:26 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2005-09-21 12:31:26 -0700 |
| commit | 972d512a17c1bb7c4b784a9da2ca75745fcc6989 (patch) | |
| tree | 91eb1a1a0c1affe19e23b15069b6a5fd86d3ca72 | |
| parent | 2fe9f798ba3cf7c939e638b78f46975e79039978 (diff) | |
[IB] Add MAD data field size definitions
Clean up code by using enums instead of hard-coded magic numbers.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
| -rw-r--r-- | drivers/infiniband/core/mad_rmpp.c | 15 | ||||
| -rw-r--r-- | include/rdma/ib_mad.h | 15 |
2 files changed, 17 insertions, 13 deletions
diff --git a/drivers/infiniband/core/mad_rmpp.c b/drivers/infiniband/core/mad_rmpp.c index 2bd8b1cc57c..8f7cef0812f 100644 --- a/drivers/infiniband/core/mad_rmpp.c +++ b/drivers/infiniband/core/mad_rmpp.c @@ -583,6 +583,7 @@ static int send_next_seg(struct ib_mad_send_wr_private *mad_send_wr) { struct ib_rmpp_mad *rmpp_mad; int timeout; + u32 paylen; rmpp_mad = (struct ib_rmpp_mad *)mad_send_wr->send_wr.wr.ud.mad_hdr; ib_set_rmpp_flags(&rmpp_mad->rmpp_hdr, IB_MGMT_RMPP_FLAG_ACTIVE); @@ -590,11 +591,9 @@ static int send_next_seg(struct ib_mad_send_wr_private *mad_send_wr) if (mad_send_wr->seg_num == 1) { rmpp_mad->rmpp_hdr.rmpp_rtime_flags |= IB_MGMT_RMPP_FLAG_FIRST; - rmpp_mad->rmpp_hdr.paylen_newwin = - cpu_to_be32(mad_send_wr->total_seg * - (sizeof(struct ib_rmpp_mad) - - offsetof(struct ib_rmpp_mad, data)) - - mad_send_wr->pad); + paylen = mad_send_wr->total_seg * IB_MGMT_RMPP_DATA - + mad_send_wr->pad; + rmpp_mad->rmpp_hdr.paylen_newwin = cpu_to_be32(paylen); mad_send_wr->sg_list[0].length = sizeof(struct ib_rmpp_mad); } else { mad_send_wr->send_wr.num_sge = 2; @@ -608,10 +607,8 @@ static int send_next_seg(struct ib_mad_send_wr_private *mad_send_wr) if (mad_send_wr->seg_num == mad_send_wr->total_seg) { rmpp_mad->rmpp_hdr.rmpp_rtime_flags |= IB_MGMT_RMPP_FLAG_LAST; - rmpp_mad->rmpp_hdr.paylen_newwin = - cpu_to_be32(sizeof(struct ib_rmpp_mad) - - offsetof(struct ib_rmpp_mad, data) - - mad_send_wr->pad); + paylen = IB_MGMT_RMPP_DATA - mad_send_wr->pad; + rmpp_mad->rmpp_hdr.paylen_newwin = cpu_to_be32(paylen); } /* 2 seconds for an ACK until we can find the packet lifetime */ diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h index 53184a38fdf..0e293fe733b 100644 --- a/include/rdma/ib_mad.h +++ b/include/rdma/ib_mad.h @@ -108,6 +108,13 @@ #define IB_QP1_QKEY 0x80010000 #define IB_QP_SET_QKEY 0x80000000 +enum { + IB_MGMT_MAD_DATA = 232, + IB_MGMT_RMPP_DATA = 220, + IB_MGMT_VENDOR_DATA = 216, + IB_MGMT_SA_DATA = 200 +}; + struct ib_mad_hdr { u8 base_version; u8 mgmt_class; @@ -149,20 +156,20 @@ struct ib_sa_hdr { struct ib_mad { struct ib_mad_hdr mad_hdr; - u8 data[232]; + u8 data[IB_MGMT_MAD_DATA]; }; struct ib_rmpp_mad { struct ib_mad_hdr mad_hdr; struct ib_rmpp_hdr rmpp_hdr; - u8 data[220]; + u8 data[IB_MGMT_RMPP_DATA]; }; struct ib_sa_mad { struct ib_mad_hdr mad_hdr; struct ib_rmpp_hdr rmpp_hdr; struct ib_sa_hdr sa_hdr; - u8 data[200]; + u8 data[IB_MGMT_SA_DATA]; } __attribute__ ((packed)); struct ib_vendor_mad { @@ -170,7 +177,7 @@ struct ib_vendor_mad { struct ib_rmpp_hdr rmpp_hdr; u8 reserved; u8 oui[3]; - u8 data[216]; + u8 data[IB_MGMT_VENDOR_DATA]; }; struct ib_class_port_info |