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https://src.fedoraproject.org/rpms/grub2.git
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84 lines
2.7 KiB
Diff
84 lines
2.7 KiB
Diff
From a2ada321927efea6453a7488cefac7434c591212 Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Sun, 17 Mar 2013 13:33:16 +0100
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Subject: [PATCH 210/482] Resend a packet if we got the wrong buffer in
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status.
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---
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ChangeLog | 4 ++++
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grub-core/net/drivers/efi/efinet.c | 22 +++++++++++++++-------
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include/grub/net.h | 1 +
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3 files changed, 20 insertions(+), 7 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 4f5a281..ad84d27 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,7 @@
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+2013-03-17 Vladimir Serbinenko <phcoder@gmail.com>
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+
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+ Resend a packet if we got the wrong buffer in status.
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+
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2013-03-10 Vladimir Serbinenko <phcoder@gmail.com>
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* grub-core/loader/i386/bsdXX.c (grub_openbsd_find_ramdisk): Use
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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 28f2db2..2b344d6 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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@@ -37,7 +37,6 @@ send_card_buffer (struct grub_net_card *dev,
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grub_efi_status_t st;
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grub_efi_simple_network_t *net = dev->efi_net;
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grub_uint64_t limit_time = grub_get_time_ms () + 4000;
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- grub_size_t len;
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if (dev->txbusy)
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while (1)
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@@ -52,17 +51,26 @@ send_card_buffer (struct grub_net_card *dev,
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dev->txbusy = 0;
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break;
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}
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+ if (txbuf)
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+ {
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+ st = efi_call_7 (net->transmit, net, 0, dev->last_pkt_size,
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+ dev->txbuf, NULL, NULL, NULL);
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+ if (st != GRUB_EFI_SUCCESS)
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+ return grub_error (GRUB_ERR_IO,
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+ N_("couldn't send network packet"));
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+ }
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if (limit_time < grub_get_time_ms ())
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- return grub_error (GRUB_ERR_TIMEOUT, N_("couldn't send network packet"));
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+ return grub_error (GRUB_ERR_TIMEOUT,
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+ N_("couldn't send network packet"));
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}
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- len = (pack->tail - pack->data);
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- if (len > dev->mtu)
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- len = dev->mtu;
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+ dev->last_pkt_size = (pack->tail - pack->data);
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+ if (dev->last_pkt_size > dev->mtu)
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+ dev->last_pkt_size = dev->mtu;
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- grub_memcpy (dev->txbuf, pack->data, len);
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+ grub_memcpy (dev->txbuf, pack->data, dev->last_pkt_size);
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- st = efi_call_7 (net->transmit, net, 0, len,
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+ st = efi_call_7 (net->transmit, net, 0, dev->last_pkt_size,
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dev->txbuf, NULL, NULL, NULL);
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if (st != GRUB_EFI_SUCCESS)
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return grub_error (GRUB_ERR_IO, N_("couldn't send network packet"));
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diff --git a/include/grub/net.h b/include/grub/net.h
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index 3877451..1bd7af2 100644
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--- a/include/grub/net.h
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+++ b/include/grub/net.h
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@@ -139,6 +139,7 @@ struct grub_net_card
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{
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struct grub_efi_simple_network *efi_net;
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grub_efi_handle_t efi_handle;
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+ grub_size_t last_pkt_size;
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};
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#endif
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void *data;
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--
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1.8.2.1
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