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2017-09-27migration: pre_save return intDr. David Alan Gilbert1-2/+6
Modify the pre_save method on VMStateDescription to return an int rather than void so that it potentially can fail. Changed zillions of devices to make them return 0; the only case I've made it return non-0 is hw/intc/s390_flic_kvm.c that already had an error_report/return case. Note: If you add an error exit in your pre_save you must emit an error_report to say why. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20170925112917.21340-2-dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-09-24slirp: Add a special case for the NULL socketKevin Cernekee1-8/+10
NULL sockets are used for NDP, BOOTP, and other critical operations. If the topmost mbuf in a NULL session is blocked pending resolution, it may cause problems if it blocks other packets with a NULL socket. So do not add mbufs with a NULL socket field to the same session. Signed-off-by: Kevin Cernekee <cernekee@chromium.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-09-24slirp: Fix intermittent send queue hangs on a socketKevin Cernekee2-35/+17
if_output() originally sent one mbuf per call and used the slirp->next_m variable to keep track of where it left off. But nowadays it tries to send all of the mbufs from the fastq, and one mbuf from each session on the batchq. The next_m variable is both redundant and harmful: there is a case[0] involving delayed packets in which next_m ends up pointing to &slirp->if_batchq when an active session still exists, and this blocks all traffic for that session until qemu is restarted. The test case was created to reproduce a problem that was seen on long-running Chromium OS VM tests[1] which rapidly create and destroy ssh connections through hostfwd. [0] https://pastebin.com/NNy6LreF [1] https://bugs.chromium.org/p/chromium/issues/detail?id=766323 Signed-off-by: Kevin Cernekee <cernekee@chromium.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-08-30slirp: fix clearing ifq_so from pending packetsSamuel Thibault1-16/+23
The if_fastq and if_batchq contain not only packets, but queues of packets for the same socket. When sofree frees a socket, it thus has to clear ifq_so from all the packets from the queues, not only the first. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Cc: qemu-stable@nongnu.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-08-03slirp: check len against dhcp options array endPrasad J Pandit1-0/+3
While parsing dhcp options string in 'dhcp_decode', if an options' length 'len' appeared towards the end of 'bp_vend' array, ensuing read could lead to an OOB memory access issue. Add check to avoid it. This is CVE-2017-11434. Reported-by: Reno Robert <renorobert@gmail.com> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-07-15slirp: Handle error returns from sosendoob()Peter Maydell2-7/+18
sosendoob() can return a failure code, but all its callers ignore it. This is OK in sbappend(), as the comment there states -- we will try again later in sowrite(). Add a (void) cast to tell Coverity so. In sowrite() we do need to check the return value -- we should handle a write failure in sosendoob() the same way we handle a write failure for the normal data. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-07-15slirp: Handle error returns from slirp_send() in sosendoob()Peter Maydell1-11/+18
The code in sosendoob() assumes that slirp_send() always succeeds, but it might return an OS error code (for instance if the other end has disconnected). Catch these and return the caller either -1 on error or the number of urgent bytes actually written. (None of the callers check this return value currently, though.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-07-15slirp: fork_exec(): Don't close() a negative number in fork_exec()Peter Maydell1-1/+3
In a fork_exec() error path we try to closesocket(s) when s might be a negative number because the thing that failed was the qemu_socket() call. Add a guard so we don't do this. (Spotted by Coverity: CID 1005727 issue 1 of 2.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-07-15slirp: use DIV_ROUND_UPMarc-André Lureau1-3/+3
I used the clang-tidy qemu-round check to generate the fix: https://github.com/elmarco/clang-tools-extra Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-06-13migration: Split registration functions from vmstate.hJuan Quintela1-0/+1
They are indpendent, and nowadays almost every device register things with qdev->vmsd. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-06-06migration: remove register_savevm()Laurent Vivier1-2/+6
We can replace the four remaining calls of register_savevm() by calls to register_savevm_live(). So we can remove the function and as we don't allocate anymore the ops pointer with g_new0() we don't have to free it then. Signed-off-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-06-02char: move CharBackend handling in char-fe unitMarc-André Lureau1-1/+1
Move all the frontend struct and methods to a seperate unit. This avoids accidentally mixing backend and frontend calls, and helps with readabilty. Make qemu_chr_replay() a macro shared by both char and char-fe. Export qemu_chr_write(), and use a macro for qemu_chr_write_all() (nb: yes, CharBackend is for char frontend :) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-06-02chardev: move headers to include/chardevMarc-André Lureau1-1/+1
So they are all in one place. The following patch will move serial & parallel declarations to the respective headers. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-27Fix total IP header length in forwarded TCP packetsSjors Gielen1-2/+2
When forwarding TCP packets, the internal tcpiphdr struct length was wrongly used inside the IP header. This commit changes the behaviour to what is used by tcp_output.c, using the correct full IP header + payload length. Signed-off-by: Sjors Gielen <sjors@sjorsgielen.nl> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-05-27slirp: fix leakMarc-André Lureau1-0/+3
Spotted by ASAN: /x86_64/hmp/pc-0.12: ================================================================= ==22538==ERROR: LeakSanitizer: detected memory leaks Direct leak of 224 byte(s) in 1 object(s) allocated from: #0 0x7f0f63cdee60 in malloc (/lib64/libasan.so.3+0xc6e60) #1 0x556f11ff32d7 in tcp_newtcpcb /home/elmarco/src/qemu/slirp/tcp_subr.c:250 #2 0x556f11fdb1d1 in tcp_listen /home/elmarco/src/qemu/slirp/socket.c:688 #3 0x556f11fca9d5 in slirp_add_hostfwd /home/elmarco/src/qemu/slirp/slirp.c:1052 #4 0x556f11f8db41 in slirp_hostfwd /home/elmarco/src/qemu/net/slirp.c:506 #5 0x556f11f8dd83 in hmp_hostfwd_add /home/elmarco/src/qemu/net/slirp.c:535 There might be a better way to fix this, but calling slirp tcp_close() doesn't work. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-05-27slirp: Fix wrong mss bug.Tao Wu1-2/+2
This bug was introduced by https://github.com/qemu/qemu/commit/98c6305 Signed-off-by: Tao Wu <lepton@google.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-bu: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-04-29slirp: VMStatify remaining except for loopDr. David Alan Gilbert1-29/+19
This converts the remaining components, except for the top level loop, to VMState. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-04-29slirp: VMStatify socket levelDr. David Alan Gilbert2-80/+145
Working up the stack, this replaces the slirp_socket_load/save with VMState definitions. A place holder for IPv6 support is added as a comment; it needs testing once the rest of the IPv6 code is there. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-04-29slirp: Common lhost/fhost unionDr. David Alan Gilbert1-10/+8
The socket structure has a pair of unions for lhost and fhost addresses; the unions are identical so split them out into a separate union declaration. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-04-29slirp: VMStatify sbufDr. David Alan Gilbert2-42/+78
Convert the sbuf structure to a VMStateDescription. Note this uses the VMSTATE_WITH_TMP mechanism to calculate and reload the offsets based on the pointers. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-04-29slirp: VMState conversion; tcpcbDr. David Alan Gilbert2-98/+57
Convert the migration of the struct tcpcb to use a VMStateDescription, the rest of it will come later. Mostly mechanical, except for conversion of some 'char' to uint8_t to ensure portability. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-04-29slirp: fix pinging the virtual ipv4 DNS serverSamuel Thibault1-2/+3
so that people do not think it is not working at least basically. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-04-29slirp: tftp, copy sockaddr_sizeMarc-André Lureau1-1/+1
ASAN detects an "unknown-crash" when running pxe-test: /ppc64/pxe/spapr-vlan: ================================================================= ==7143==ERROR: AddressSanitizer: unknown-crash on address 0x7f6dcd298d30 at pc 0x55e22218830d bp 0x7f6dcd2989e0 sp 0x7f6dcd2989d0 READ of size 128 at 0x7f6dcd298d30 thread T2 #0 0x55e22218830c in tftp_session_allocate /home/elmarco/src/qq/slirp/tftp.c:73 #1 0x55e22218a1f8 in tftp_handle_rrq /home/elmarco/src/qq/slirp/tftp.c:289 #2 0x55e22218b54c in tftp_input /home/elmarco/src/qq/slirp/tftp.c:446 #3 0x55e2221833fe in udp6_input /home/elmarco/src/qq/slirp/udp6.c:82 #4 0x55e222137b17 in ip6_input /home/elmarco/src/qq/slirp/ip6_input.c:67 Address 0x7f6dcd298d30 is located in stack of thread T2 at offset 96 in frame #0 0x55e222182420 in udp6_input /home/elmarco/src/qq/slirp/udp6.c:13 This frame has 3 object(s): [32, 48) '<unknown>' [96, 124) 'lhost' <== Memory access at offset 96 partially overflows this variable [160, 200) 'save_ip' <== Memory access at offset 96 partially underflows this variable The sockaddr_storage pointer is the sockaddr_in6 lhost on the stack. Copy only the source addr size. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-04-25slirp: add a fake NC-SI backendCédric Le Goater5-1/+557
NC-SI (Network Controller Sideband Interface) enables a BMC to manage a set of NICs on a system. This model takes the simplest approach and reverses the NC-SI packets to pretend a NIC is present and exercise the Linux driver. The NCSI header file <ncsi-pkt.h> comes from mainline Linux and was untabified. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-03-29slirp: Send RDNSS in RA only if host has an IPv6 DNS serverSamuel Thibault1-11/+14
Previously we would always send an RDNSS option in the RA, making the guest try to resolve DNS through IPv6, even if the host does not actually have and IPv6 DNS server available. This makes the RDNSS option enabled only when an IPv6 DNS server is available. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-03-29slirp: Make RA build more flexibleSamuel Thibault1-15/+9
Do not hardcode the RA size at all, use a pl_size variable which accounts the accumulated size, and fill rip->ip_pl at the end. This will allow to make some blocks optional. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-03-29slirp: fix compilation errors with DEBUG setLaurent Vivier1-1/+1
slirp/slirp.c: In function 'get_dns_addr_resolv_conf': slirp/slirp.c:202:29: error: initialization discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] char *res = inet_ntop(af, tmp_addr, s, sizeof(s)); ^~~~~~~~~ slirp/slirp.c:204:25: error: assignment discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] res = "(string conversion error)"; Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-02-26slirp: tcp_listen(): Don't try to close() an fd we never openedPeter Maydell1-1/+3
Coverity points out (CID 1005725) that an error-exit path in tcp_listen() will try to close(s) even if the reason it got there was that the qemu_socket() failed and s was never opened. Not only that, this isn't even the right function to use, because we need closesocket() to do the right thing on Windows. Change to using the right function and only calling it if needed. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-02-26slirp: Convert mbufs to use g_malloc() and g_free()Peter Maydell1-16/+14
The mbuf code currently doesn't check the result of doing a malloc() or realloc() of its data (spotted by Coverity, CID 1238946). Since the m_inc() API assumes that extending an mbuf must succeed, just convert to g_malloc() and g_free(). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-02-26slirp: Check qemu_socket() return value in udp_listen()Peter Maydell1-0/+4
Check the return value from qemu_socket() rather than trying to pass it to bind() as an fd argument even if it's negative. This wouldn't have caused any negative consequences, because it won't be a valid fd number and the bind call will fail; but Coverity complains (CID 1005723). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2016-12-21slirp: support dynamic block size for TFTP transfersHervé Poussineau2-15/+19
The blocksize option is defined in RFC 1783 and RFC 2348. We now support block sizes between 1 and 1428 bytes, instead of 512 only. Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2016-12-20slirp, disas: Replace min/max with MIN/MAX macrosYuval Shaia8-21/+16
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2016-11-14slirp: Fix access to freed memorySamuel Thibault1-0/+17
if_start() goes through the slirp->if_fastq and slirp->if_batchq list of pending messages, and accesses ifm->ifq_so->so_nqueued of its elements if ifm->ifq_so != NULL. When freeing a socket, we thus need to make sure that any pending message for this socket does not refer to the socket any more. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Tested-by: Brian Candler <b.candler@pobox.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-09-13hw: replace most use of qemu_chr_fe_write with qemu_chr_fe_write_allDaniel P. Berrange1-1/+3
The qemu_chr_fe_write method will return -1 on EAGAIN if the chardev backend write would block. Almost no callers of the qemu_chr_fe_write() method check the return value, instead blindly assuming data was successfully sent. In most cases this will lead to silent data loss on interactive consoles, but in some cases (eg RNG EGD) it'll just cause corruption of the protocol being spoken. We unfortunately can't fix the virtio-console code, due to a bug in the Linux guest drivers, which would cause the entire Linux kernel to hang if we delay processing of the incoming data in any way. Fixing this requires first fixing the guest driver to not hold spinlocks while writing to the hvc device backend. Fixes bug: https://bugs.launchpad.net/qemu/+bug/1586756 Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1473170165-540-4-git-send-email-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-08-16slirp: Rename "struct arphdr" to "struct slirp_arphdr"Thomas Huth2-7/+7
struct arphdr is already used by the system headers on OpenBSD and thus QEMU does not compile here anymore. Fix it by renaming our struct to slirp_arphdr instead. Reported-by: Brad Smith Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by: Thomas Huth <thuth@redhat.com> Message-id: 1471249494-17392-1-git-send-email-thuth@redhat.com Buglink: https://bugs.launchpad.net/qemu/+bug/1613133 Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-08-08error: Strip trailing '\n' from error string arguments (again)Markus Armbruster1-4/+4
Commit 9af9e0f, 6daf194d, be62a2eb and 312fd5f got rid of a bunch, but they keep coming back. checkpatch.pl tries to flag them since commit 5d596c2, but it's not very good at it. Offenders tracked down with Coccinelle script scripts/coccinelle/err-bad-newline.cocci, an updated version of the script from commit 312fd5f. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1470224274-31522-2-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2016-07-12Clean up decorations and whitespace around header guardsMarkus Armbruster3-3/+6
Cleaned up with scripts/clean-header-guards.pl. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12Clean up ill-advised or unusual header guardsMarkus Armbruster14-29/+29
Cleaned up with scripts/clean-header-guards.pl. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12Clean up header guards that don't match their file nameMarkus Armbruster2-4/+4
Header guard symbols should match their file name to make guard collisions less likely. Offenders found with scripts/clean-header-guards.pl -vn. Cleaned up with scripts/clean-header-guards.pl, followed by some renaming of new guard symbols picked by the script to better ones. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-12Use #include "..." for our own headers, <...> for othersMarkus Armbruster15-18/+17
Tracked down with an ugly, brittle and probably buggy Perl script. Also move includes converted to <...> up so they get included before ours where that's obviously okay. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-07-03slirp: Add support for stateless DHCPv6Thomas Huth4-2/+244
Provide basic support for stateless DHCPv6 (see RFC 3736) so that guests can also automatically boot via IPv6 with SLIRP (for IPv6 network booting, see RFC 5970 for details). Tested with: qemu-system-ppc64 -nographic -vga none -boot n -net nic \ -net user,ipv6=yes,ipv4=no,tftp=/path/to/tftp,bootfile=ppc64.img Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2016-07-03slirp: Remove superfluous memset() calls from the TFTP codeThomas Huth1-4/+0
Commit fad7fb9ccd8013ea03 ("Add IPv6 support to the TFTP code") refactored some common code for preparing the mbuf into a new function called tftp_prep_mbuf_data(). One part of this common code is to do a "memset(m->m_data, 0, m->m_size);" for the related buffer first. However, at two spots, the memset() was not removed from the calling function, so it currently done twice in these code paths. Thus let's delete these superfluous memsets in the calling functions now. Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2016-07-03slirp: Add RDNSS advertisementSamuel Thibault2-5/+34
This adds the RDNSS option to IPv6 router advertisements, so that the guest can autoconfigure the DNS server address. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Thomas Huth <thuth@redhat.com> --- Changes since last submission: - Disable on windows, until we have support for it
2016-07-03slirp: Support link-local DNS addressesSamuel Thibault3-7/+32
They look like fe80::%eth0 Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Thomas Huth <thuth@redhat.com> --- Changes since last submission: - fix windows build
2016-07-03slirp: Add dns6 resolutionSamuel Thibault4-24/+69
This makes get_dns_addr address family-agnostic, thus allowing to add the IPv6 case. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Thomas Huth <thuth@redhat.com>
2016-07-03slirp: Split get_dns_addrSamuel Thibault1-19/+34
Separate get_dns_addr into get_dns_addr_cached and get_dns_addr_resolv_conf to make conversion to IPv6 easier. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Reviewed-by: Thomas Huth <thuth@redhat.com>
2016-06-07slirp: Use DIV_ROUND_UPLaurent Vivier1-2/+2
Replace (((n) + (d) - 1) /(d)) by DIV_ROUND_UP(n,d). This patch is the result of coccinelle script scripts/coccinelle/round.cocci CC: Samuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by: Laurent Vivier <lvivier@redhat.com> Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-06-07all: Remove unnecessary glib.h includesPeter Maydell2-2/+0
Remove glib.h includes, as it is provided by osdep.h. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com> Tested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-05-19qemu-common: stop including qemu/host-utils.h from qemu-common.hPaolo Bonzini1-0/+1
Move it to the actual users. There are some inclusions of qemu/host-utils.h in headers, but they are all necessary. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-18Fix some typos found by codespellStefan Weil1-1/+1
Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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