55 lines
2.4 KiB
Diff
55 lines
2.4 KiB
Diff
From: Ian Page Hands <iphands@gmail.com>
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Date: Mon, 9 Jan 2023 18:30:45 -0500
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Subject: efinet: Add DHCP proxy support
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If a proxyDHCP configuration is used, the server name, server IP and
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boot file values should be taken from the DHCP proxy offer instead of
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the DHCP server ack packet.
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Signed-off-by: Ian Page Hands <iphands@gmail.com>
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Co-authored-by: Robbie Harwood <rharwood@redhat.com>
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Signed-off-by: Robbie Harwood <rharwood@redhat.com>
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---
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grub-core/net/drivers/efi/efinet.c | 27 +++++++++++++++++++++++++--
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1 file changed, 25 insertions(+), 2 deletions(-)
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diff --git a/grub-core/net/drivers/efi/efinet.c b/grub-core/net/drivers/efi/efinet.c
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index 69004d5..4a8c38c 100644
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--- a/grub-core/net/drivers/efi/efinet.c
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+++ b/grub-core/net/drivers/efi/efinet.c
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@@ -863,10 +863,33 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device,
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else
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{
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grub_dprintf ("efinet", "using ipv4 and dhcp\n");
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+
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+ struct grub_net_bootp_packet *dhcp_ack = (void *) &pxe_mode->dhcp_ack;
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+
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+ if (pxe_mode->proxy_offer_received)
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+ {
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+ grub_dprintf ("efinet", "proxy offer receive");
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+ struct grub_net_bootp_packet *proxy_offer = (void *) &pxe_mode->proxy_offer;
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+
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+ if (proxy_offer && dhcp_ack->boot_file[0] == '\0')
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+ {
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+ grub_dprintf ("efinet", "setting values from proxy offer");
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+ /*
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+ * Here we got a proxy offer and the dhcp_ack has a nil
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+ * boot_file Copy the proxy DHCP offer details into the
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+ * bootp_packet we are sending forward as they are the deatils
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+ * we need.
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+ */
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+ *dhcp_ack->server_name = *proxy_offer->server_name;
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+ *dhcp_ack->boot_file = *proxy_offer->boot_file;
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+ dhcp_ack->server_ip = proxy_offer->server_ip;
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+ }
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+ }
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+
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inter = grub_net_configure_by_dhcp_ack (card->name, card, 0,
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(struct grub_net_bootp_packet *)
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- packet_buf,
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- packet_bufsz,
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+ &pxe_mode->dhcp_ack,
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+ sizeof (pxe_mode->dhcp_ack),
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1, device, path);
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grub_dprintf ("efinet", "device: `%s' path: `%s'\n", *device, *path);
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}
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