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Added ipv4 configuration type
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@ -21,6 +21,8 @@
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#include <string.h>
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#include <errno.h>
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#include <assert.h>
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#include <vsprintf.h>
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#include <gpxe/in.h>
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#include <gpxe/settings.h>
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/** @file
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@ -195,3 +197,57 @@ struct config_setting_type config_setting_type_string __config_setting_type = {
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.show = show_string,
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.set = set_string,
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};
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/**
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* Show value of IPv4 setting
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*
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* @v context Configuration context
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* @v setting Configuration setting
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* @v buf Buffer to contain value
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* @v len Length of buffer
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* @ret rc Return status code
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*/
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static int show_ipv4 ( struct config_context *context,
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struct config_setting *setting,
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char *buf, size_t len ) {
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struct dhcp_option *option;
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struct in_addr ipv4;
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option = find_dhcp_option ( context->options, setting->tag );
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if ( ! option )
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return -ENOENT;
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dhcp_ipv4_option ( option, &ipv4 );
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snprintf ( buf, len, inet_ntoa ( ipv4 ) );
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return 0;
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}
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/** Set value of IPV4 setting
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*
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* @v context Configuration context
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* @v setting Configuration setting
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* @v value Setting value (as a string)
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* @ret rc Return status code
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*/
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static int set_ipv4 ( struct config_context *context,
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struct config_setting *setting,
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const char *value ) {
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struct dhcp_option *option;
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struct in_addr ipv4;
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int rc;
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if ( ( rc = inet_aton ( value, &ipv4 ) ) != 0 )
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return rc;
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option = set_dhcp_option ( context->options, setting->tag,
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&ipv4, sizeof ( ipv4 ) );
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if ( ! option )
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return -ENOMEM;
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return 0;
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}
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/** An IPv4 configuration setting */
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struct config_setting_type config_setting_type_ipv4 __config_setting_type = {
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.name = "ipv4",
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.show = show_ipv4,
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.set = set_ipv4,
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};
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