[ofa-general] SDP overhead

[Jim Mott]

Every SDP data frame has a fixed size 16 byte header.

Largest SDP frame is 32K + 16 byte header in OFED 1.2 implementation.

Ack overhead for credit replenish is just the header (16 bytes), but can
be carried 'for free' in bidirectional sessions. 

Thanks,
JIm

Jim Mott
Mellanox Technologies Ltd.
mail: jim at mellanox.com

-----Original Message-----
From: general-bounces at lists.openfabrics.org
[mailto:general-bounces at lists.openfabrics.org] On Behalf Of Koen Segers
Sent: Tuesday, August 21, 2007 4:40 AM
To: openib-general at openib.org
Subject: [ofa-general] SDP overhead

Hello,

Can somebody tell me what the overhead is of an SDP packet when the
packet is completely filled with data?

The numbers I want to have are:
max data length of 1 packet
total header length of 1 packet

Regards,

Koen Segers
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