net/dhcp: Add explicit net_dhcp command
Mostly for cosmetic reasons, we add a "net_dhcp" command, which is (at the moment) identical to the existing "net_bootp" command. Both actually trigger a DHCP handshake now, and both should be able to deal with pure BOOTP servers. We could think about dropping the DHCP options from the initial DISCOVER packet when the user issues the net_bootp command, but it's unclear whether this is really useful, as both protocols should be able to coexist. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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1 changed files with 5 additions and 1 deletions
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@ -902,7 +902,7 @@ grub_cmd_bootp (struct grub_command *cmd __attribute__ ((unused)),
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return err;
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return err;
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}
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}
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static grub_command_t cmd_getdhcp, cmd_bootp;
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static grub_command_t cmd_getdhcp, cmd_bootp, cmd_dhcp;
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void
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void
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grub_bootp_init (void)
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grub_bootp_init (void)
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@ -910,6 +910,9 @@ grub_bootp_init (void)
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cmd_bootp = grub_register_command ("net_bootp", grub_cmd_bootp,
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cmd_bootp = grub_register_command ("net_bootp", grub_cmd_bootp,
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N_("[CARD]"),
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N_("[CARD]"),
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N_("perform a bootp autoconfiguration"));
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N_("perform a bootp autoconfiguration"));
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cmd_dhcp = grub_register_command ("net_dhcp", grub_cmd_bootp,
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N_("[CARD]"),
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N_("perform a DHCP autoconfiguration"));
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cmd_getdhcp = grub_register_command ("net_get_dhcp_option", grub_cmd_dhcpopt,
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cmd_getdhcp = grub_register_command ("net_get_dhcp_option", grub_cmd_dhcpopt,
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N_("VAR INTERFACE NUMBER DESCRIPTION"),
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N_("VAR INTERFACE NUMBER DESCRIPTION"),
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N_("retrieve DHCP option and save it into VAR. If VAR is - then print the value."));
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N_("retrieve DHCP option and save it into VAR. If VAR is - then print the value."));
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@ -920,4 +923,5 @@ grub_bootp_fini (void)
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{
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{
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grub_unregister_command (cmd_getdhcp);
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grub_unregister_command (cmd_getdhcp);
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grub_unregister_command (cmd_bootp);
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grub_unregister_command (cmd_bootp);
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grub_unregister_command (cmd_dhcp);
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}
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}
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