Network Server Ankh

[Ajith Whowe]

Dear Martin,

Thanks a lot. It did the job. I have the network interfaces on both sides.
Nevertheless I can not ping one another. The strange thing is the ping
request clearly does invoke any of the net_device_ops:

static const struct net_device_ops l4shmnet_netdev_ops = {
.ndo_open       = l4x_l4shmc_open,
.ndo_start_xmit = l4x_l4shmc_xmit_frame,
.ndo_stop       = l4x_l4shmc_close,
.ndo_change_mtu = l4x_l4shmc_change_mtu,
.ndo_get_stats  = l4x_l4shmc_get_stats,

};

I put in all these functions some printk's and I can not see it once the
ping starts.

I also did with -I option like: ping 192.168.1.2 -I eth0  but still no
success.
Do You have any idea?

Best Regards,





Hi,

Am 07.02.2014 15:22, schrieb Ajith Whowe:
>* Dear Adam,
*>>* Thank You very much for the response. Do You mean that the
l4shmnet can be used as a communication channel between two (or more
?) instances of l4linux over TCP/IP?
*
Yes, never tried with more, but two instances are working fine.

>* By the way, how should then the start scripts seem? Would it be again like a client - server type interaction between both instances? For instance would it work with the following set up and would I see for example a ping request and response of each side?
*
The l4shmnet negotiates client and server automatically.

l4shmnet needs some namespace to find the other side:

- local my_channel = l:new_channel();
+ local test_l4shm = l:create_namespace({test_l4shm = "shmns_1"});

>* local linux_caps1 = {
*>*    log = L4.Env.log:m("rws");
*>*    vbus = io_caps.linux_bus1,
*>*    rtc = rtc_caps.rtc,
*>*    rom = L4.Env.rom,
*
-    myL4shm = my_channel:svr(),
+    test_l4shm = test_l4shm:mode("rw");

>* };
*>>*   l:start(
*>*          {
*>*                 caps = linux_caps1,
*>*          },
*>*          "rom/vmlinuz1 mem=512M console=ttyLv0
l4shmnet.add=test_l4shm,macpart=01 ramdisk=rom/ramdisk1 root=1:0
ramdisk_size=5000 l4x_rd=rom/ramdisk1 init=/sbin/init");
*>>>* local linux_caps2 = {
*>*    log = L4.Env.log:m("r");
*>*    vbus = io_caps.linux_bus1,
*>*    rtc = rtc_caps.rtc,
*>*    rom = L4.Env.rom,
*
-    myL4shm = my_channel,
+    test_l4shm = test_l4shm:mode("rw");

>* };
*>>*   l:start(
*>*          {
*>*                 caps = linux_caps2,
*>*          },
*>*          "rom/vmlinuz2 mem=512M console=ttyLv0
l4shmnet.add=test_l4shm,macpart=02 ramdisk=rom/ramdisk2 root=1:0
ramdisk_size=5000 l4x_rd=rom/ramdisk2 init=/sbin/init");
*>
Do not forget to enable CONFIG_L4_NET_L4SHM



Martin
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