Security Accelerator; Gigabit Ethernet (Gbe) Switch Subsystem - Texas Instruments TMS320C6670 Data Manual

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7.18 Security Accelerator

The Security Accelerator provides wire-speed processing on 1-Gbps Ethernet traffic on IPSec, SRTP, and 3GPP Air
interface security protocols. It functions on the packet level with the packet and the associated security context being
one of these above three types. The Security Accelerator is coupled with network coprocessor, and receives the
packet descriptor containing the security context in the buffer descriptor, and the data to be encrypted/decrypted in
the linked buffer descriptor. For more information, see the Security Accelerator (SA) for KeyStone Devices User
Guide in 2.9 ''Related Documentation from Texas Instruments'' on page

7.19 Gigabit Ethernet (GbE) Switch Subsystem

The gigabit Ethernet (GbE) switch subsystem provide an efficient interface between the TMS320C6670 SoC and the
networked community. The EMAC supports 10Base-T (10 Mbits/second [Mbps]), and 100BaseTX (100 Mbps), in
half- or full-duplex mode, and 1000BaseT (1000 Mbps) in full-duplex mode, with hardware flow control and
quality-of-service (QOS) support. The GbE switch subsystem is coupled with network coprocessor. For more
information, see the Gigabit Ethernet (GbE) Switch Subsystem for KeyStone Devices User Guide in
Documentation from Texas Instruments'' on page
Each device has a unique MAC address. There are two registers to hold these values, MACID1 (0x02620110) and
MACID2 (0x02620114). All bits of these registers are defined as follows:
Figure 7-47 MACID1 Register
31
Legend: R = Read only; -x, value is indeterminate
Table 7-74 MACID1 Register Field Descriptions
Bit Field Description
31-0 MAC ID[31-0] MAC ID. A range will be assigned to this device. Each device will consume only one MAC address.
End of Table 7-74
Figure 7-48 MACID2 Register
31
CRC
R+,cccc cccc
Legend: R = Read only; -x, value is indeterminate
Table 7-75 MACID2 Register Field Descriptions
Bit Field Description
31-24 Reserved Variable
23-18 Reserved 000000
17 FLOW MAC Flow Control
0 = Off
1 = On
16 BCAST Default m/b-cast reception
0 = Broadcast
1 = Disabled
15-0 MAC ID[47-0] MAC ID. A range will be assigned to this device. Each device will consume only one MAC address.
End of Table 7-75
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Multicore Fixed and Floating-Point System-on-Chip
66.
MACID[31:0]
R,+xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx
24 23
Reserved
R,+rr rrrr
TMS320C6670 Peripheral Information and Electrical Specifications
66.
18 17 16 15
FLOW BCAST
R,+z R,+y
TMS320C6670
SPRS689D—March 2012
2.9 ''Related
0
0
MACID[47:32]
R,+xxxx xxxx xxxx xxxx
207