From d3652ff33623d842fc4422ffd98e4303795e9519 Mon Sep 17 00:00:00 2001 From: Paulo Flabiano Smorigo Date: Tue, 21 Jan 2014 11:03:51 -0200 Subject: [PATCH 037/125] 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. --- ChangeLog | 9 +++++++++ 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 + 6 files changed, 19 insertions(+), 5 deletions(-) diff --git a/ChangeLog b/ChangeLog index f69d8c7..f5618a6 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,14 @@ 2014-01-21 Paulo Flabiano Smorigo + * 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 + * grub-core/net/net.c (receive_packets): Change stop condition to avoid infinite loops. diff --git a/grub-core/net/arp.c b/grub-core/net/arp.c index e92c7e7..d62d0cc 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 2741e6f..bbc9020 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 56355f3..1521d8d 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 9c489f1..5173614 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 de6259e..0e0a605 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 */ -- 1.9.0