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doc: Clarify initialization

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This commit is contained in:
Sebastian Huber
2014-05-16 13:35:21 +02:00
parent 14ba2065fd
commit ead7fdc193
1 changed files with 51 additions and 7 deletions
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58
libbsd.txt
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@@ -49,7 +49,7 @@ the old network stack. Make sure no header files of the old network stack are
installed. installed.
. Clone the Git repository +git clone git://git.rtems.org/rtems-libbsd.git+. . Clone the Git repository +git clone git://git.rtems.org/rtems-libbsd.git+.
. Change into the RTEMS BSD library root directory. . Change into the RTEMS BSD library root directory.
. Edit the 'config.inc' Makefile configuration file and adjust it to your environment. . Edit the `config.inc` Makefile configuration file and adjust it to your environment.
. Run +make clean+. . Run +make clean+.
. Run +make install+. . Run +make install+.
@@ -115,8 +115,8 @@ devices (you can run multiple test instances on one virtual network).
=== BSD Library Configuration and Build === === BSD Library Configuration and Build ===
In the BSD library source directory edit the file 'config.inc'. Continuing on In the BSD library source directory edit the file `config.inc`. Continuing on
the above, the 'config.inc' used to match the above is: the above, the `config.inc` used to match the above is:
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
# Mandatory: Select your BSP and installation prefix # Mandatory: Select your BSP and installation prefix
@@ -172,18 +172,62 @@ Use the following code to initialize the BSD library:
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
#include <assert.h> #include <assert.h>
#include <sysexits.h>
#include <machine/rtems-bsd-commands.h>
#include <rtems/bsd/bsd.h> #include <rtems/bsd/bsd.h>
void do_init(void) static void
network_ifconfig_lo0(void)
{ {
rtems_status_code sc; int exit_code;
char *lo0[] = {
"ifconfig",
"lo0",
"inet",
"127.0.0.1",
"netmask",
"255.255.255.0",
NULL
};
char *lo0_inet6[] = {
"ifconfig",
"lo0",
"inet6",
"::1",
"prefixlen",
"128",
NULL
};
sc = rtems_bsd_initialize(); exit_code = rtems_bsd_command_ifconfig(RTEMS_BSD_ARGC(lo0), lo0);
assert(sc == RTEMS_SUCCESSFUL); assert(exit_code == EX_OK);
exit_code = rtems_bsd_command_ifconfig(RTEMS_BSD_ARGC(lo0_inet6), lo0_inet6);
assert(exit_code == EX_OK);
}
void
network_init(void)
{
rtems_status_code sc;
sc = rtems_bsd_initialize();
assert(sc == RTEMS_SUCCESSFUL);
network_ifconfig_lo0();
} }
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
This performs the basic network stack initialization with a loopback interface.
Further initialization must be done using the standard BSD network
configuration commands
http://www.freebsd.org/cgi/man.cgi?query=ifconfig&apropos=0&sektion=8&manpath=FreeBSD+9.2-RELEASE&arch=default&format=html[IFCONFIG(8)]
using `rtems_bsd_command_ifconfig()` and
http://www.freebsd.org/cgi/man.cgi?query=route&apropos=0&sektion=8&manpath=FreeBSD+9.2-RELEASE&arch=default&format=html[ROUTE(8)]
using `rtems_bsd_command_route()`. For an example please have a look at
`testsuite/include/rtems/bsd/test/default-network-init.h`.
== Network Stack Features == Network Stack Features
http://roy.marples.name/projects/dhcpcd/index[DHCPCD(8)]:: DHCP client http://roy.marples.name/projects/dhcpcd/index[DHCPCD(8)]:: DHCP client