From 228ccedb5e7870931b628da5f1f758be65dac623 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Wed, 6 Jul 2011 13:37:33 +0200
Subject: [PATCH] poll cards when idle

---
 grub-core/kern/term.c |  4 ++++
 grub-core/net/net.c   | 11 +++++++++++
 include/grub/kernel.h |  3 +++
 3 files changed, 18 insertions(+)

diff --git a/grub-core/kern/term.c b/grub-core/kern/term.c
index 7b3593161..d7c65dd82 100644
--- a/grub-core/kern/term.c
+++ b/grub-core/kern/term.c
@@ -29,6 +29,7 @@ struct grub_term_output *grub_term_outputs;
 struct grub_term_input *grub_term_inputs;
 
 void (*grub_term_poll_usb) (void) = NULL;
+void (*grub_net_poll_cards_idle) (void) = NULL;
 
 /* Put a Unicode character.  */
 static void
@@ -91,6 +92,9 @@ grub_checkkey (void)
   if (grub_term_poll_usb)
     grub_term_poll_usb ();
 
+  if (grub_net_poll_cards_idle)
+    grub_net_poll_cards_idle ();
+
   FOR_ACTIVE_TERM_INPUTS(term)
   {
     pending_key = term->getkey (term);
diff --git a/grub-core/net/net.c b/grub-core/net/net.c
index 1f2e2b7d4..bee4f8321 100644
--- a/grub-core/net/net.c
+++ b/grub-core/net/net.c
@@ -33,6 +33,7 @@
 #include <grub/datetime.h>
 #include <grub/loader.h>
 #include <grub/bufio.h>
+#include <grub/kernel.h>
 
 GRUB_MOD_LICENSE ("GPLv3+");
 
@@ -809,6 +810,14 @@ grub_net_poll_cards (unsigned time)
     }
 }
 
+static void
+grub_net_poll_cards_idle_real (void)
+{
+  struct grub_net_card *card;
+  FOR_NET_CARDS (card)
+    receive_packets (card);
+}
+
 /*  Read from the packets list*/
 static grub_ssize_t
 grub_net_fs_read_real (grub_file_t file, char *buf, grub_size_t len)
@@ -1452,6 +1461,7 @@ GRUB_MOD_INIT(net)
   fini_hnd = grub_loader_register_preboot_hook (grub_net_fini_hw,
 						grub_net_restore_hw,
 						GRUB_LOADER_PREBOOT_HOOK_PRIO_DISK);
+  grub_net_poll_cards_idle = grub_net_poll_cards_idle_real;
 }
 
 GRUB_MOD_FINI(net)
@@ -1468,4 +1478,5 @@ GRUB_MOD_FINI(net)
   grub_net_open = NULL;
   grub_net_fini_hw (0);
   grub_loader_unregister_preboot_hook (fini_hnd);
+  grub_net_poll_cards_idle = grub_net_poll_cards_idle_real;
 }
diff --git a/include/grub/kernel.h b/include/grub/kernel.h
index 6a5f91c3d..aef585668 100644
--- a/include/grub/kernel.h
+++ b/include/grub/kernel.h
@@ -90,6 +90,9 @@ grub_machine_get_bootlocation (char **device, char **path);
 /* Register all the exported symbols. This is automatically generated.  */
 void grub_register_exported_symbols (void);
 
+extern void (*EXPORT_VAR(grub_net_poll_cards_idle)) (void);
+
+
 #if ! defined (ASM_FILE)
 extern char grub_prefix[];
 #endif