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48 lines
1.8 KiB
48 lines
1.8 KiB
From 3f83a59f17fef591cf5e4804f6b26ca9a9c1fe35 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 184/237] 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 | 24 ++++++++++++++++++++++++ |
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1 file changed, 24 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 c3a128c..d8099a5 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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@@ -407,6 +407,30 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device, |
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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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2.9.3 |
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