Receive Ring Control Blocks; Table 6: Send Rcbs For Multiple Rings; Table 7: High Priority Mail Box Registers For Vrq Rings - Broadcom NetXtreme/NetLink BCM5718 Series Programmer's Manual

BCM5718 Programmer's Guide
Send Ring# Register Name
Host Address High
Legacy /
Host Address Low
1
Max Length/Flag
NIC Address
Host Address High
2
Host Address Low
Max Length/Flag
NIC Address
3
4
5
.... .........
16 Host Address High
Host Address Low
Max Length/Flag
NIC Address
** These are Memory Mapped registers
Note: Address range [0x100–0x10F] is the legacy single RCB address and is also used by RCB1.

Receive Ring Control Blocks

Table 7 lists all of the receive RCB Register Addresses.
VRQ # Register Name
Host Address High 0x2450
Host Address Low 0x2454
0 (Default)
Max Length/Flag
NIC Address
Host Address High 0x2510
Host Address Low 0x2514
1
Max Length/Flag
NIC Address
Broadcom
®
January 29, 2016 • 5718-PG108-R

Table 6: Send RCBs for Multiple Rings

Table 7: High Priority Mail Box Registers for VRQ Rings

Standard Ring RCB
Register Address
0x2458
0x245C
0x2518
0x251C
Send Ring RCB
Register Address (**)
0x100
0x104
0x108
0x10C
0x110
0x114
0x118
0x11C
......
0x1F0
0x1F4
0x1F8
0x1FC
Jumbo Ring RCB
Register Address
0x2440
0x2444
0x2448
0x244C
0x2500
0x2504
0x2508
0x250C
Descriptor Rings
Usable in
Legacy Mode,
RSS Mode &
IOV Mode
RSS Mode &
IOV Mode
IOV Mode Only
Return Ring RCB Register
Address (**)
0x200
0x204
0x208
0x20C
0x210
0x214
0x218
0x21C
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