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* net: make tap offloading callbacks staticVincenzo Maffione2014-02-251-6/+6
| | | | | | | | Since TAP offloadings are manipulated through a new API, it's not necessary to export them in include/net/tap.h anymore. Signed-off-by: Vincenzo Maffione <v.maffione@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* net: TAP uses NetClientInfo offloading callbacksVincenzo Maffione2014-02-251-43/+49
| | | | | | | | The TAP NetClientInfo structure is inizialized with the TAP-specific functions that manipulates offloading features. Signed-off-by: Vincenzo Maffione <v.maffione@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* net: change vnet-hdr TAP prototypesVincenzo Maffione2014-02-251-4/+4
| | | | | | | | | The tap_has_vnet_hdr() and tap_has_vnet_hdr_len() functions used to return int, even though they only return true/false values. This patch changes the prototypes to return bool. Signed-off-by: Vincenzo Maffione <v.maffione@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* tap: support enabling or disabling a queueJason Wang2013-02-011-0/+10
| | | | | | | | | | | This patch introduce a new bit - enabled in TAPState which tracks whether a specific queue/fd is enabled. The tap/fd is enabled during initialization and could be enabled/disabled by tap_enalbe() and tap_disable() which calls platform specific helpers to do the real work. Polling of a tap fd can only done when the tap was enabled. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* net: tap: use abort() instead of assert(0)Jason Wang2013-02-011-1/+1
| | | | | Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* net: tap: using bool instead of bitfieldJason Wang2013-02-011-3/+3
| | | | | Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* net: Add missing include statement (fix compiler warnings for MinGW)Stefan Weil2012-12-221-0/+1
| | | | | | | | | | | These and some more compiler warnings were caused by a recent commit: net/tap-win32.c:724: warning: no previous prototype for ‘tap_has_ufo’ net/tap-win32.c:729: warning: no previous prototype for ‘tap_has_vnet_hdr’ ... Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* softmmu: move include files to include/sysemu/Paolo Bonzini2012-12-191-1/+1
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* misc: move include files to include/qemu/Paolo Bonzini2012-12-191-1/+1
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* net: reorganize headersPaolo Bonzini2012-12-191-2/+2
| | | | | | | | | Move public headers to include/net, and leave private headers in net/. Put the virtio headers in include/net/tap.h, removing the multiple copies that existed. Leave include/net/tap.h as the interface for NICs, and net/tap_int.h as the interface for OS-specific parts of the tap backend. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Fix spelling (prefered -> preferred)Stefan Weil2012-12-071-3/+4
| | | | | Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* tap-win32: stubs to fix win32 buildMichael S. Tsirkin2012-10-301-0/+10
| | | | | | | | Add missing stubs to win32 to fix link failure. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reported-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* net/tap-win32: Fix compiler warning caused by missing include statementStefan Weil2012-10-191-0/+1
| | | | | | | | | | The include file for net_init_tap was missing: net/tap-win32.c:703: warning: no previous prototype for ‘net_init_tap’ Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* net: consolidate NetClientState header files into onePaolo Bonzini2012-10-081-1/+1
| | | | | | | | | | | | | | | This patch doesn't seem much useful alone, I must admit. However, it makes sense as part of the upcoming directory reorganization, where I want to have include/net/tap.h as the net<->hw interface for tap. Then having both net/tap.h and include/net/tap.h does not work. "Fixed" by moving all the init functions to a single header file net/clients.h. The patch also adopts a uniform style for including net/*.h files from net/*.c, without the net/ path. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
* net: Rename vc local variables to ncStefan Hajnoczi2012-08-011-4/+4
| | | | | | | | | | Now that VLANClientState has been renamed to NetClientState all 'vc' local variables should be 'nc'. Much of the code already used 'nc' but there are places where 'vc' needs to be renamed. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
* net: Rename VLANClientState to NetClientStateStefan Hajnoczi2012-08-011-11/+11
| | | | | | | | | | | | | | | The vlan feature is no longer part of net core. Rename VLANClientState to NetClientState because net clients are not explicitly associated with a vlan at all, instead they have a peer net client to which they are connected. This patch is a mechanical search-and-replace except for a few whitespace fixups where changing VLANClientState to NetClientState misaligned whitespace. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
* net: Drop vlan argument to qemu_new_net_client()Stefan Hajnoczi2012-08-011-1/+1
| | | | | | | | | | Since hubs are now used to implement the 'vlan' feature and the vlan argument is always NULL, remove the argument entirely and update all net clients that use qemu_new_net_client(). Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
* net: Use hubs for the vlan featureStefan Hajnoczi2012-08-011-4/+4
| | | | | | | | | | Stop using the special-case vlan code in net.c. Instead use the hub net client to implement the vlan feature. The next patch will remove vlan code from net.c completely. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
* remove unused QemuOpts parameter from net init functionsLaszlo Ersek2012-07-231-2/+2
| | | | | | | | | | | v1->v2: - unchanged v2->v3: - keep "qemu-option.h" included in "net/slirp.h" Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
* convert net_init_tap() to NetClientOptionsLaszlo Ersek2012-07-231-5/+6
| | | | | Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
* convert net_client_init() to OptsVisitorLaszlo Ersek2012-07-231-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The net_client_init() prototype is kept intact. Based on "is_netdev", the QemuOpts-rooted QemuOpt-list is parsed as a Netdev or a NetLegacy. The original meat of net_client_init() is moved to and simplified in net_client_init1(): Fields not common between -net and -netdev are clearly separated. Getting the name for the init functions is cleaner: Netdev::id is mandatory, and all init functions handle a NULL NetLegacy::name. NetLegacy::vlan explicitly depends on -net (see below). Verifying the "type=" option for -netdev can be turned into a switch. Format validation with qemu_opts_validate() can be removed because the visitor covers it. Relatedly, the "net_client_types" array is reduced to an array of init functions that can be directly indexed by opts->kind. (Help text is available in the schema JSON.) The outermost negation in the condition around qemu_find_vlan() was flattened, because it expresses the dependent code's requirements more clearly. VLAN lookup is avoided if there's no init function to pass the VLAN to. Whenever the value of type=... is needed, we substitute NetClientOptionsKind_lookup[kind]. The individual init functions are not converted yet, thus the original QemuOpts instance is passed transparently. v1->v2: - NetLegacy::name is optional. Tracked it through all init functions: they all handle a NULL name. Updated commit message accordingly. v2->v3: - NetLegacy::id is allowed and takes precedence over NetLegacy::name. Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
* hw, net: "net_client_type" -> "NetClientOptionsKind" (qapi-generated)Laszlo Ersek2012-07-231-1/+1
| | | | | | | NET_CLIENT_TYPE_ -> NET_CLIENT_OPTIONS_KIND_ Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
* net: purge the monitor object from all init functionsLuiz Capitulino2012-06-041-1/+1
| | | | | | | | The only backend that really uses it is the socket one, which calls monitor_get_fd(). But it can use 'cur_mon' instead. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-By: Laszlo Ersek <lersek@redhat.com>
* Fixing tap adapter for win32Pavel Dovgaluk2011-02-251-1/+1
| | | | | | | | | This fix allows connection of internal VLAN to the external TAP interface. If tap_win32_write function always returns 0, the TAP network interface in QEMU is disabled. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* Delete write only variablesBlue Swirl2010-10-131-3/+2Star
| | | | | | | | | | Compiling with GCC 4.6.0 20100925 produced warnings like: /src/qemu/net/tap-win32.c: In function 'tap_win32_open': /src/qemu/net/tap-win32.c:582:12: error: variable 'hThread' set but not used [-Werror=unused-but-set-variable] Fix by removing the unused variables. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* tap: add APIs for vnet header lengthMichael S. Tsirkin2010-09-071-0/+9
| | | | | | | Add APIs to control host header length. First user will be vhost-net. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* Fix build on mingw32Anthony Liguori2010-04-021-0/+5
| | | | Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* Fix BSD and win32 buildsBlue Swirl2010-03-271-0/+1
| | | | | | | | | | | | | CC net/tap-bsd.o /src/qemu/net/tap-bsd.c: In function `tap_open': /src/qemu/net/tap-bsd.c:93: warning: implicit declaration of function `error_report' CC sparc-softmmu/../net/tap-win32.o cc1: warnings being treated as errors /src/qemu/target-sparc/../net/tap-win32.c: In function 'net_init_tap': /src/qemu/target-sparc/../net/tap-win32.c:709: warning: implicit declaration of function 'error_report' Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* error: Replace qemu_error() by error_report()Markus Armbruster2010-03-161-1/+1
| | | | | | | | | | | | | error_report() terminates the message with a newline. Strip it it from its arguments. This fixes a few error messages lacking a newline: net_handle_fd_param()'s "No file descriptor named %s found", and tap_open()'s "vnet_hdr=1 requested, but no kernel support for IFF_VNET_HDR available" (all three versions). There's one place that passes arguments without newlines intentionally: load_vmstate(). Fix it up.
* net: Fix bogus "Warning: vlan 0 with no nics" with -deviceMarkus Armbruster2010-02-191-4/+0Star
| | | | | | | | | | | | net_check_clients() prints this when an VLAN has host devices, but no guest devices. It uses VLANState members nb_guest_devs and nb_host_devs to keep track of these devices. However, -device does not update nb_guest_devs, only net_init_nic() does that, for -net nic. Check the VLAN clients directly, and remove the counters. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* win32: fix variable use before initializationBlue Swirl2009-12-041-2/+2
| | | | Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* net: convert tap-win32 to NetClientInfoMark McLoughlin2009-12-031-16/+23
| | | | | Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* net: move more stuff into net/tap-win32.c, add net/tap.hMark McLoughlin2009-10-301-2/+46
| | | | | Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* net: move tap-win32.c under net/Mark McLoughlin2009-10-301-0/+690
Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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