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IB/mad: RMPP support for additional classes

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Add RMPP support for additional management classes that support it.
Also, validate RMPP is consistent with management class specified.

Signed-off-by: Hal Rosenstock <halr@voltaire.com>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Hal Rosenstock
2006-03-28 16:40:04 -08:00
committed by Roland Dreier
parent fa9656bbd9
commit 618a3c03fc
4 changed files with 86 additions and 46 deletions
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32
drivers/infiniband/core/user_mad.c
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@ -177,17 +177,6 @@ static int queue_packet(struct ib_umad_file *file,
return ret;
}
static int data_offset(u8 mgmt_class)
{
if (mgmt_class == IB_MGMT_CLASS_SUBN_ADM)
return IB_MGMT_SA_HDR;
else if ((mgmt_class >= IB_MGMT_CLASS_VENDOR_RANGE2_START) &&
(mgmt_class <= IB_MGMT_CLASS_VENDOR_RANGE2_END))
return IB_MGMT_VENDOR_HDR;
else
return IB_MGMT_RMPP_HDR;
}
static void send_handler(struct ib_mad_agent *agent,
struct ib_mad_send_wc *send_wc)
{
@ -283,7 +272,7 @@ static ssize_t copy_recv_mad(char __user *buf, struct ib_umad_packet *packet,
*/
return -ENOSPC;
}
offset = data_offset(recv_buf->mad->mad_hdr.mgmt_class);
offset = ib_get_mad_data_offset(recv_buf->mad->mad_hdr.mgmt_class);
max_seg_payload = sizeof (struct ib_mad) - offset;
for (left = packet->length - seg_payload, buf += seg_payload;
@ -441,21 +430,14 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
}
rmpp_mad = (struct ib_rmpp_mad *) packet->mad.data;
if (rmpp_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_ADM) {
hdr_len = IB_MGMT_SA_HDR;
copy_offset = IB_MGMT_RMPP_HDR;
rmpp_active = ib_get_rmpp_flags(&rmpp_mad->rmpp_hdr) &
IB_MGMT_RMPP_FLAG_ACTIVE;
} else if (rmpp_mad->mad_hdr.mgmt_class >= IB_MGMT_CLASS_VENDOR_RANGE2_START &&
rmpp_mad->mad_hdr.mgmt_class <= IB_MGMT_CLASS_VENDOR_RANGE2_END) {
hdr_len = IB_MGMT_VENDOR_HDR;
copy_offset = IB_MGMT_RMPP_HDR;
rmpp_active = ib_get_rmpp_flags(&rmpp_mad->rmpp_hdr) &
IB_MGMT_RMPP_FLAG_ACTIVE;
} else {
hdr_len = IB_MGMT_MAD_HDR;
hdr_len = ib_get_mad_data_offset(rmpp_mad->mad_hdr.mgmt_class);
if (!ib_is_mad_class_rmpp(rmpp_mad->mad_hdr.mgmt_class)) {
copy_offset = IB_MGMT_MAD_HDR;
rmpp_active = 0;
} else {
copy_offset = IB_MGMT_RMPP_HDR;
rmpp_active = ib_get_rmpp_flags(&rmpp_mad->rmpp_hdr) &
IB_MGMT_RMPP_FLAG_ACTIVE;
}
data_len = count - sizeof (struct ib_user_mad) - hdr_len;