Centos5.2 wireless Nic Installation Problems intel3945

Centos5.2 wireless network card installation problem intel3945 -- Linux general technology-Linux technology and application information, the following is a detailed description. Wireless Network Adapter ipw3945, always cannot start.
The system of the machine is centos5.2 kernel 2.6.18-upgraded to 2.6.29-rc5 to see the wireless Nic, but it cannot be activated.
I read countless articles online. It won't work if you do it for many times. Please help.
Some said the lack of ipw3945-ucode, ipw3945d I according to the instructions installed great role.
The following error occurs in the installation of ieee80211-1.2.17, how can not install the past.
[Root @ localhost ieee80211-1.2.17] # source remove-old
Checking in/lib/modules/2.6.28.3 for ieee80211 components...
[Root @ localhost ieee80211-1.2.17] # make
Checking in/lib/modules/2.6.28.3 for ieee80211 components...
Make-C/lib/modules/2.6.28.3/build M =/root/ieee80211-1.2.17 modules
Make [1]: Entering directory '/usr/src/linux-2.6.28.3'
CC [M]/root/ieee80211-1.2.17/ieee80211_module.o
/Root/ieee80211-1.2.17/ieee80211_module.c: In function 'ieee80211 _ init ':
/Root/ieee80211-1.2.17/ieee80211_module.c: 267: Error: 'proc _ net' not declared (used for the first time in this function)
/Root/ieee80211-1.2.17/ieee80211_module.c: 267: Error :( even if multiple times appear in a function, each undeclared identifier
/Root/ieee80211-1.2.17/ieee80211_module.c: 267: error: the function is only reported once .)
/Root/ieee80211-1.2.17/ieee80211_module.c: In function 'ieee80211 _ exit ':
/Root/ieee80211-1.2.17/ieee80211_module.c: 296: Error: 'proc _ net' not declared (used for the first time in this function)
Make [2]: *** [/root/ieee80211-1.2.17/ieee80211_module.o] Error 1
Make [1]: *** [_ module _/root/ieee80211-1.2.17] Error 2
Make [1]: Leaving directory '/usr/src/linux-2.6.28.3'
Make: *** [modules] Error 2
[Root @ localhost ieee80211-1.2.17] # make install
Make-C/lib/modules/2.6.28.3/build M =/root/ieee80211-1.2.17 modules
Make [1]: Entering directory '/usr/src/linux-2.6.28.3'
CC [M]/root/ieee80211-1.2.17/ieee80211_module.o
/Root/ieee80211-1.2.17/ieee80211_module.c: In function 'ieee80211 _ init ':
/Root/ieee80211-1.2.17/ieee80211_module.c: 267: Error: 'proc _ net' not declared (used for the first time in this function)
/Root/ieee80211-1.2.17/ieee80211_module.c: 267: Error :( even if multiple times appear in a function, each undeclared identifier
/Root/ieee80211-1.2.17/ieee80211_module.c: 267: error: the function is only reported once .)
/Root/ieee80211-1.2.17/ieee80211_module.c: In function 'ieee80211 _ exit ':
/Root/ieee80211-1.2.17/ieee80211_module.c: 296: Error: 'proc _ net' not declared (used for the first time in this function)
Make [2]: *** [/root/ieee80211-1.2.17/ieee80211_module.o] Error 1
Make [1]: *** [_ module _/root/ieee80211-1.2.17] Error 2
Make [1]: Leaving directory '/usr/src/linux-2.6.28.3'
Make: *** [modules] Error 2
[Root @ localhost ieee80211-1.2.17] #
How can this problem be solved.