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qemu-patch-raspberry4/slirp
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Andreas Gustafsson 058665b9fe slirp: disable Nagle in outgoing connections 
When setting up an outgoing user mode networking TCP connection,
disable the Nagle algorithm in the host-side connection.  Either the
guest is already doing Nagle, in which case there is no point in doing
it twice, or it has chosen to disable it, in which case we should
respect that choice.

This change speeds up GDB remote debugging over TCP over user mode
networking (with GDB runing on the guest) by multiple orders of
magnitude, and has been part of the local patches applied by pkgsrc
since 2012 with no reported ill effects.

Signed-off-by: Andreas Gustafsson <gson@gson.org>
Reviewed-by: Kamil Rytarowski <n54@gmx.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2018-05-31 21:19:24 +02:00
..
arp_table.c slirp/debug: Print IP addresses in human readable form 2018-05-20 08:25:23 +03:00
bootp.c slirp: Add domainname option to slirp's DHCP server 2018-05-31 21:19:08 +02:00
bootp.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
cksum.c Use #include "..." for our own headers, <...> for others 2016-07-12 16:19:16 +02:00
COPYRIGHT Remove the advertising clause from the slirp license 2009-01-26 19:37:41 +00:00
debug.h slirp: Cleanup and basic reanimation of debug code 2009-06-29 08:52:46 -05:00
dhcpv6.c slirp, disas: Replace min/max with MIN/MAX macros 2016-12-20 23:55:19 +01:00
dhcpv6.h slirp: add in6_dhcp_multicast() 2018-01-14 18:16:13 +01:00
dnssearch.c slirp: Use DIV_ROUND_UP 2016-06-07 18:19:25 +03:00
if.c slirp: Add a special case for the NULL socket 2017-09-24 20:04:09 +02:00
if.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
ip.h slirp: removed unused code 2018-01-14 18:16:13 +01:00
ip6.h slirp: use DIV_ROUND_UP 2017-07-15 14:28:25 +02:00
ip6_icmp.c slirp: avoid IN6_IS_ADDR_UNSPECIFIED(), rather use in6_zero() 2018-01-14 18:16:13 +01:00
ip6_icmp.h Clean up header guards that don't match their file name 2016-07-12 16:19:16 +02:00
ip6_input.c slirp: Allow disabling IPv4 or IPv6 2016-04-01 17:51:55 +02:00
ip6_output.c slirp: Adding IPv6, ICMPv6 Echo and NDP autoconfiguration 2016-03-15 10:35:00 +01:00
ip_icmp.c slirp: fix pinging the virtual ipv4 DNS server 2017-04-29 18:29:58 +02:00
ip_icmp.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
ip_input.c Use #include "..." for our own headers, <...> for others 2016-07-12 16:19:16 +02:00
ip_output.c Use #include "..." for our own headers, <...> for others 2016-07-12 16:19:16 +02:00
libslirp.h slirp: Add domainname option to slirp's DHCP server 2018-05-31 21:19:08 +02:00
main.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
Makefile.objs slirp: add a fake NC-SI backend 2017-04-25 19:17:25 +08:00
mbuf.c slirp: Convert mbufs to use g_malloc() and g_free() 2017-02-26 15:39:05 +01:00
mbuf.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
misc.c slirp: fork_exec(): Don't close() a negative number in fork_exec() 2017-07-15 14:28:25 +02:00
misc.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
ncsi-pkt.h slirp: add a fake NC-SI backend 2017-04-25 19:17:25 +08:00
ncsi.c slirp: add a fake NC-SI backend 2017-04-25 19:17:25 +08:00
ndp_table.c slirp: avoid IN6_IS_ADDR_UNSPECIFIED(), rather use in6_zero() 2018-01-14 18:16:13 +01:00
sbuf.c slirp: Handle error returns from sosendoob() 2017-07-15 14:28:25 +02:00
sbuf.h slirp: VMStatify sbuf 2017-04-29 18:44:16 +02:00
slirp.c slirp: Add domainname option to slirp's DHCP server 2018-05-31 21:19:08 +02:00
slirp.h slirp: Add domainname option to slirp's DHCP server 2018-05-31 21:19:08 +02:00
slirp_config.h slirp: Remove obsolete backward-compatibility cruft 2016-05-16 20:58:47 +02:00
socket.c slirp/debug: Print IP addresses in human readable form 2018-05-20 08:25:23 +03:00
socket.h slirp: VMStatify socket level 2017-04-29 18:44:16 +02:00
tcp.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
tcp_input.c slirp: Fix wrong mss bug. 2017-05-27 23:34:47 +02:00
tcp_output.c slirp, disas: Replace min/max with MIN/MAX macros 2016-12-20 23:55:19 +01:00
tcp_subr.c slirp: disable Nagle in outgoing connections 2018-05-31 21:19:24 +02:00
tcp_timer.c slirp, disas: Replace min/max with MIN/MAX macros 2016-12-20 23:55:19 +01:00
tcp_timer.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
tcp_var.h slirp: VMState conversion; tcpcb 2017-04-29 18:44:16 +02:00
tcpip.h slirp, disas: Replace min/max with MIN/MAX macros 2016-12-20 23:55:19 +01:00
tftp.c slirp: tftp, copy sockaddr_size 2017-04-29 18:29:58 +02:00
tftp.h slirp: support dynamic block size for TFTP transfers 2016-12-21 00:02:15 +01:00
udp.c slirp/debug: Print IP addresses in human readable form 2018-05-20 08:25:23 +03:00
udp.h Clean up ill-advised or unusual header guards 2016-07-12 16:20:46 +02:00
udp6.c slirp: add in6_dhcp_multicast() 2018-01-14 18:16:13 +01:00