[android-porting] Re: invoking pppd from RIL and from command prompt led to different results
Hello, On Tuesday, May 31, 2011 2:49:24 PM UTC+2, paldan wrote: Following your advice I've changed my init.rc script and now I'm launching the RIL with the following lines: service ril-daemon /system/bin/rild socket rild stream 660 root radio socket rild-debug stream 660 radio system user root group radio cache inet misc audio vpn net_admin the pppd is correctly started. Do you know why is it needed to start the daemon as root? did you try an other user e.g radio or something like that? -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting
[android-porting] Re: invoking pppd from RIL and from command prompt led to different results
Hello On Friday, May 27, 2011 4:54:00 PM UTC+2, paldan wrote: Same problem here. Using adb logcat for main, I read the following log: E/pppd( 1017): This system lacks kernel support for PPP. This could be because E/pppd( 1017): the PPP kernel module could not be loaded, or because PPP was not E/pppd( 1017): included in the kernel configuration. If PPP was included as a E/pppd( 1017): module, try `/sbin/modprobe -v ppp'. If that fails, check that E/pppd( 1017): ppp.o exists in /lib/modules/`uname -r`/net. E/pppd( 1017): See README.linux file in the ppp distribution for more details. however this is not true, because the kernel has PPP support and I succeed in starting pppd from command line. Me too suspects a permission problem, but I still haven't managed to find a solution. So perhaps I was not particularly clear in my previous post. You need a set of permissions to access the ppp device and at set of capabilities to be allowed to do things like creating interfaces. The capabilities in android are also gained by being part of a group. you need to be at least to be part of net_admin radio vpn and inet What I did for testing was a hack , I added permission name=com.sample.permission.CONNECTIVITY group gid=net_admin/ group gid=radio/ group gid=vpn/ group gid=inet/ /permission to /etc/permissions and created a permission called com.sample.permission.CONNECTIVITY and granted that to my sample application Greetings I have also another problem via pppd from command line: the interface is up and connected but using a ping with numeric address (no dns problem) doesn't work: it seems that I cannot receive data from ppp0 but I can send data because I see my ping packets going to the modem (using a sniffer). Another strange thing is that LCP echo packets are correctly sent and received, so I suspect again a permission problem. I will open a new topic for that. Daniele On 25 Mag, 22:57, Jeffrey jffry...@gmail.com wrote: Hi all, With exactly the same pppd command, if pppd is invoked from command prompt, data connection works fine. I can browse Internet and I can get ppp logs in DDMS. Here is the command (same as that in init.gprs-pppd called by RIL) C:\Program Files\Android\android-sdk-windows\platform-toolsadb shell # /system/bin/pppd /dev/ttyUSB0 115200 mru 1280 mtu 1280 nodetach debug dump defaultroute usepe pdefault ipcp-accept-local ipcp-accept- remote connect-delay 5000 linkname ppp0 However if I invoke pppd in Android RIL (err = property_set(ctl.start, SERVICE_PPPD_GPRS); statement in reference- ril.c), pppd deamon is started (no error returned) but the ppp0 link is not up, and I can not get any ppp log in DDMS. Since there is no log visibility, I am not able to know what is happening. Could anyone please help 1) Any suggestion on how to get ppp logs (if it is invoked by RIL)? 2) Any idea why invoking ppp from RIL give a different result than from the command prompt? Appreciate your help in advance. -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting
[android-porting] Re: invoking pppd from RIL and from command prompt led to different results
Hello, On 31 Mag, 13:17, freakingtux kees.jongenbur...@gmail.com wrote: So perhaps I was not particularly clear in my previous post. You need a set of permissions to access the ppp device and at set of capabilities to be allowed to do things like creating interfaces. The capabilities in android are also gained by being part of a group. you need to be at least to be part of net_admin radio vpn and inet What I did for testing was a hack , I added permission name=com.sample.permission.CONNECTIVITY group gid=net_admin/ group gid=radio/ group gid=vpn/ group gid=inet/ /permission to /etc/permissions and created a permission called com.sample.permission.CONNECTIVITY and granted that to my sample application Greetings First of all thanks for your help. Following your advice I've changed my init.rc script and now I'm launching the RIL with the following lines: service ril-daemon /system/bin/rild socket rild stream 660 root radio socket rild-debug stream 660 radio system user root group radio cache inet misc audio vpn net_admin the pppd is correctly started. I've also solved my ping issue (it was a problem with my network operator). Regards, Daniele -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting
[android-porting] Re: invoking pppd from RIL and from command prompt led to different results
Same problem here. Using adb logcat for main, I read the following log: E/pppd( 1017): This system lacks kernel support for PPP. This could be because E/pppd( 1017): the PPP kernel module could not be loaded, or because PPP was not E/pppd( 1017): included in the kernel configuration. If PPP was included as a E/pppd( 1017): module, try `/sbin/modprobe -v ppp'. If that fails, check that E/pppd( 1017): ppp.o exists in /lib/modules/`uname -r`/net. E/pppd( 1017): See README.linux file in the ppp distribution for more details. however this is not true, because the kernel has PPP support and I succeed in starting pppd from command line. Me too suspects a permission problem, but I still haven't managed to find a solution. I have also another problem via pppd from command line: the interface is up and connected but using a ping with numeric address (no dns problem) doesn't work: it seems that I cannot receive data from ppp0 but I can send data because I see my ping packets going to the modem (using a sniffer). Another strange thing is that LCP echo packets are correctly sent and received, so I suspect again a permission problem. I will open a new topic for that. Daniele On 25 Mag, 22:57, Jeffrey jffrych...@gmail.com wrote: Hi all, With exactly the same pppd command, if pppd is invoked from command prompt, data connection works fine. I can browse Internet and I can get ppp logs in DDMS. Here is the command (same as that in init.gprs-pppd called by RIL) C:\Program Files\Android\android-sdk-windows\platform-toolsadb shell # /system/bin/pppd /dev/ttyUSB0 115200 mru 1280 mtu 1280 nodetach debug dump defaultroute usepe pdefault ipcp-accept-local ipcp-accept- remote connect-delay 5000 linkname ppp0 However if I invoke pppd in Android RIL (err = property_set(ctl.start, SERVICE_PPPD_GPRS); statement in reference- ril.c), pppd deamon is started (no error returned) but the ppp0 link is not up, and I can not get any ppp log in DDMS. Since there is no log visibility, I am not able to know what is happening. Could anyone please help 1) Any suggestion on how to get ppp logs (if it is invoked by RIL)? 2) Any idea why invoking ppp from RIL give a different result than from the command prompt? Appreciate your help in advance. -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting
