From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
Date: Tue, 21 Jan 2014 11:03:51 -0200
Subject: [PATCH] increase network try interval gradually
* grub-core/net/arp.c (grub_net_arp_send_request): Increase network try
interval gradually.
* grub-core/net/icmp6.c (grub_net_icmp6_send_request): Likewise.
* grub-core/net/net.c (grub_net_fs_read_real): Likewise.
* grub-core/net/tftp.c (tftp_open): Likewise.
* include/grub/net.h (GRUB_NET_INTERVAL_ADDITION): New define.
---
grub-core/net/arp.c | 3 ++-
grub-core/net/icmp6.c | 3 ++-
grub-core/net/net.c | 5 +++--
grub-core/net/tftp.c | 3 ++-
include/grub/net.h | 1 +
ChangeLog | 9 +++++++++
6 files changed, 19 insertions(+), 5 deletions(-)
diff --git a/grub-core/net/arp.c b/grub-core/net/arp.c
index e92c7e7daec..d62d0cc1e01 100644
--- a/grub-core/net/arp.c
+++ b/grub-core/net/arp.c
@@ -110,7 +110,8 @@ grub_net_arp_send_request (struct grub_net_network_level_interface *inf,
return GRUB_ERR_NONE;
pending_req = proto_addr->ipv4;
have_pending = 0;
- grub_net_poll_cards (GRUB_NET_INTERVAL, &have_pending);
+ grub_net_poll_cards (GRUB_NET_INTERVAL + (i * GRUB_NET_INTERVAL_ADDITION),
+ &have_pending);
if (grub_net_link_layer_resolve_check (inf, proto_addr))
return GRUB_ERR_NONE;
nb.data = nbd;
diff --git a/grub-core/net/icmp6.c b/grub-core/net/icmp6.c
index 2741e6f11fb..bbc902014fe 100644
--- a/grub-core/net/icmp6.c
+++ b/grub-core/net/icmp6.c
@@ -518,7 +518,8 @@ grub_net_icmp6_send_request (struct grub_net_network_level_interface *inf,
{
if (grub_net_link_layer_resolve_check (inf, proto_addr))
break;
- grub_net_poll_cards (GRUB_NET_INTERVAL, 0);
+ grub_net_poll_cards (GRUB_NET_INTERVAL + (i * GRUB_NET_INTERVAL_ADDITION),
+ 0);
if (grub_net_link_layer_resolve_check (inf, proto_addr))
break;
nb->data = nbd;
diff --git a/grub-core/net/net.c b/grub-core/net/net.c
index 56355f3c98c..1521d8d2c87 100644
--- a/grub-core/net/net.c
+++ b/grub-core/net/net.c
@@ -1558,8 +1558,9 @@ grub_net_fs_read_real (grub_file_t file, char *buf, grub_size_t len)
if (!net->eof)
{
try++;
- grub_net_poll_cards (GRUB_NET_INTERVAL, &net->stall);
- }
+ grub_net_poll_cards (GRUB_NET_INTERVAL +
+ (try * GRUB_NET_INTERVAL_ADDITION), &net->stall);
+ }
else
return total;
}
diff --git a/grub-core/net/tftp.c b/grub-core/net/tftp.c
index 9c489f1fc94..51736142764 100644
--- a/grub-core/net/tftp.c
+++ b/grub-core/net/tftp.c
@@ -398,7 +398,8 @@ tftp_open (struct grub_file *file, const char *filename)
destroy_pq (data);
return err;
}
- grub_net_poll_cards (GRUB_NET_INTERVAL, &data->have_oack);
+ grub_net_poll_cards (GRUB_NET_INTERVAL + (i * GRUB_NET_INTERVAL_ADDITION),
+ &data->have_oack);
if (data->have_oack)
break;
}
diff --git a/include/grub/net.h b/include/grub/net.h
index de6259ee1a0..0e0a605c5a6 100644
--- a/include/grub/net.h
+++ b/include/grub/net.h
@@ -532,5 +532,6 @@ extern char *grub_net_default_server;
#define GRUB_NET_TRIES 40
#define GRUB_NET_INTERVAL 400
+#define GRUB_NET_INTERVAL_ADDITION 20
#endif /* ! GRUB_NET_HEADER */
diff --git a/ChangeLog b/ChangeLog
index f69d8c7e042..f5618a6eb70 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2014-01-21 Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
+
+ * grub-core/net/arp.c (grub_net_arp_send_request): Increase network try
+ interval gradually.
+ * grub-core/net/icmp6.c (grub_net_icmp6_send_request): Likewise.
+ * grub-core/net/net.c (grub_net_fs_read_real): Likewise.
+ * grub-core/net/tftp.c (tftp_open): Likewise.
+ * include/grub/net.h (GRUB_NET_INTERVAL_ADDITION): New define.
+
2014-01-21 Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
* grub-core/net/net.c (receive_packets): Change stop condition to avoid