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https://src.fedoraproject.org/rpms/grub2.git
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359c2df03d
For EFI systems, the BLS fragments were stored in the EFI System Partition (ESP) while in non-EFI systems it was stored in /boot. For consistency, it's better to always store the BLS fragments in the same path regardless of the firmware interface used. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
63 lines
2.2 KiB
Diff
63 lines
2.2 KiB
Diff
From 82b9fdcbbc339c36842c625203fc2b1f22a86c9e Mon Sep 17 00:00:00 2001
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From: RHEL Ninjas <example@example.com>
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Date: Fri, 25 Sep 2015 16:24:23 +0900
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Subject: [PATCH 135/249] efinet: add filter for the first exclusive reopen of
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SNP
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---
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grub-core/net/drivers/efi/efinet.c | 39 ++++++++++++++++++++++++++++++++++++++
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1 file changed, 39 insertions(+)
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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 a3ce4c67cce..b870d3f1938 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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@@ -465,6 +465,45 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device,
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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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+ net = grub_efi_open_protocol (card->efi_handle, &net_io_guid,
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+ GRUB_EFI_OPEN_PROTOCOL_BY_EXCLUSIVE);
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+ if (net) {
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+ if (net->mode->state == GRUB_EFI_NETWORK_STOPPED
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+ && efi_call_1 (net->start, net) != GRUB_EFI_SUCCESS)
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+ continue;
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+
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+ if (net->mode->state == GRUB_EFI_NETWORK_STOPPED)
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+ continue;
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+
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+ if (net->mode->state == GRUB_EFI_NETWORK_STARTED
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+ && efi_call_3 (net->initialize, net, 0, 0) != GRUB_EFI_SUCCESS)
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+ continue;
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+
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+ /* Enable hardware receive filters if driver declares support for it.
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+ We need unicast and broadcast and additionaly all nodes and
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+ solicited multicast for IPv6. Solicited multicast is per-IPv6
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+ address and we currently do not have API to do it so simply
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+ try to enable receive of all multicast packets or evertyhing in
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+ the worst case (i386 PXE driver always enables promiscuous too).
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+
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+ This does trust firmware to do what it claims to do.
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+ */
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+ if (net->mode->receive_filter_mask)
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+ {
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+ grub_uint32_t filters = GRUB_EFI_SIMPLE_NETWORK_RECEIVE_UNICAST |
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+ GRUB_EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST |
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+ GRUB_EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;
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+
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+ filters &= net->mode->receive_filter_mask;
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+ if (!(filters & GRUB_EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST))
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+ filters |= (net->mode->receive_filter_mask &
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+ GRUB_EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS);
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+
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+ efi_call_6 (net->receive_filters, net, filters, 0, 0, 0, NULL);
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+ }
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+
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+ card->efi_net = net;
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+ }
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return;
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}
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}
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--
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2.17.1
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