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.
This commit is contained in:
Paulo Flabiano Smorigo 2014-01-21 11:03:51 -02:00
parent d99d2f8416
commit 6f65e36cc4
6 changed files with 19 additions and 5 deletions

View file

@ -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

View file

@ -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;

View file

@ -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;

View file

@ -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;
}

View file

@ -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;
}

View file

@ -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 */