User Manual

Red
pine Signals, Inc. Proprietary and confidential Page 28
RS9110
-
N
-
11
-
02
802.11bgn
WLAN
Module
Data Sheet
Version
1.48
7: S
oftware Details
T
he RS9110-N-11-02 provides a zero-host-load system architecture by
implementing most of the 802.11 MAC functions in its internal multi-threaded
ThreadArch™ processor. The driver consumes less than 5 MIPS from the host
processor, giving the freedom to the host processor to run its own
applications.
7.1: Architecture
The following diagram depicts the software architecture of the solution.
O
P
E
R
A
T
I
N
G
S
Y
S
T
E
M
BBP/RF
Lower MAC
Upper MAC
Host Interface Module
IPSec
Power
Save
WMM Roaming
Encryption/
Decryption
Auto Rate
MPDU/MSDU
Aggregation
802.11 MAC
Management
HAL
Hardware Interface - SDIO/SPI
WLAN Host Driver
SME Network Interface
802.1X
Supplicant
WLAN
Configuration
Utility
TCP/IP Stack
Network Applications
HAL Interface
Packet Interface
Management
Interface
Data
Interface
Figure
13: RS9110-N-11-02 Software Architecture
7.
2: Details
This section provides an overview of the functionality of each of the key
modules in the WLAN system.