Xilinx LogiCORE IP MAC v8.5 User Manual page 46

R
Table 5-2: Bit Definition for the Receiver Statistics Vector
rx_statistics_vector
20
19
18:5
4
3
2
1
0
Table 5-3
Table 5-3: Rx Statistics conversion to previous core GEMAC core versions
27
26
25:0
46
-- DISCONTINUED PRODUCT --
Name
bit(s)
Out of Bounds
Control Frame
Frame Length
Multicast Frame
Broadcast Frame
FCS Error
Bad Frame
Good Frame
provides conversion information against previous versions of the GEMAC.
Version 8.5
rx_statistics_vector
bit(s)
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Chapter 5: Using the Client Side Data Path
Asserted if the previous frame exceeded the
specified IEEE802.3-2005 maximum legal
length (see "Maximum Permitted Frame
Length"). This is only valid if jumbo frames
are disabled.
Asserted if the previous frame contained the
special control frame identifier in the
length/type field.
The length of the previous frame in number of
bytes. The count will stick at 16,383 for any
jumbo frames larger than this value.
Asserted if the previous frame contained a
multicast address in the destination address
field.
Asserted if the previous frame contained the
broadcast address in the destination address
field.
Asserted if the previous frame received had an
incorrect FCS value or the MAC detected error
codes during frame reception.
Asserted if the previous frame received
contained errors.
Asserted if the previous frame received was
error-free.
Version 8.4 (and earlier)
rx_statistics_vector
bit(s)
26
N/A
25:0
1-Gigabit Ethernet MAC v8.5 User Guide
Description
Notes
Bit 27 is equivalent to bit 26
of all previous core
versions.
Bit 26 (reserved) has been
inserted into version 8.5 for
statistic vector
compatibility with the Tri-
Mode Ethernet MAC
LogiCORE™.
No differences
UG144 April 24, 2009