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* MFC r353775Vincenzo Maffione2019-10-271-1/+2
| | | | | | | | | | | netmap: minor misc improvements - use ring->head rather than ring->cur in lb(8) - use strlcat() rather than strncat() - fix bandwidth computation in pkt-gen(8) Notes: svn path=/stable/12/; revision=354128
* MFC r351657Vincenzo Maffione2019-09-151-45/+126
| | | | | | | | | | | netmap: import changes from upstream (SHA 137f537eae513) - Rework option processing. - Use larger integers for memory size values in the memory management code. Notes: svn path=/stable/12/; revision=352355
* MFC r345269, r345323Vincenzo Maffione2019-04-011-0/+42
| | | | | | | | | | | | | | | | netmap: add support for multiple host rings Some applications forward from/to host rings most or all the traffic received or sent on a physical interface. In this cases it is desirable to have more than a pair of RX/TX host rings, and use multiple threads to speed up forwarding. This change adds support for multiple host rings. On registering a netmap port, the user can specify the number of desired receive and transmit host rings in the nr_host_tx_rings and nr_host_rx_rings fields of the nmreq_register structure. Notes: svn path=/stable/12/; revision=345762
* MFC r343579Vincenzo Maffione2019-02-131-5/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | netmap: fix lock order reversal related to kqueue usage When using poll(), select() or kevent() on netmap file descriptors, netmap executes the equivalent of NIOCTXSYNC and NIOCRXSYNC commands, before collecting the events that are ready. In other words, the poll/kevent callback has side effects. This is done to avoid the overhead of two system call per iteration (e.g., poll() + ioctl(NIOC*XSYNC)). When the kqueue subsystem invokes the kqueue(9) f_event callback (netmap_knrw), it holds the lock of the struct knlist object associated to the netmap port (the lock is provided at initialization, by calling knlist_init_mtx). However, netmap_knrw() may need to wake up another netmap port (or even the same one), which means that it may need to call knote(). Since knote() needs the lock of the struct knlist object associated to the to-be-wake-up netmap port, it is possible to have a lock order reversal problem (AB/BA deadlock). This change prevents the deadlock by executing the knote() call in a per-selinfo taskqueue, where it is possible to hold a mutex. Reviewed by: aleksandr.fedorov_itglobal.com Differential Revision: https://reviews.freebsd.org/D18956 Notes: svn path=/stable/12/; revision=344090
* MFC r343772, r343867Vincenzo Maffione2019-02-121-30/+49
| | | | | | | | | | | | | | | | | netmap: refactor logging macros and pipes Changelist: - Replace ND, D and RD macros with nm_prdis, nm_prinf, nm_prerr and nm_prlim, to avoid possible naming conflicts. - Add netmap_krings_mode_commit() helper function and use that to reduce code duplication. - Refactor pipes control code to export some functions that can be reused by the veth driver (on Linux) and epair(4). - Add check to reject API requests with version less than 11. - Small code refactoring for the null adapter. Notes: svn path=/stable/12/; revision=344046
* MFC r343689Vincenzo Maffione2019-02-071-4/+5
| | | | | | | | | | netmap: upgrade sync-kloop support Add SYNC_KLOOP_MODE option, and add support for direct mode, where application executes the TXSYNC and RXSYNC in the context of the ioeventfd wake up callback. Notes: svn path=/stable/12/; revision=343865
* MFC r343344Vincenzo Maffione2019-02-061-3/+2
| | | | | | | | | | | | | | | | | | | netmap: fix knote() argument to match the mutex state The nm_os_selwakeup function needs to call knote() to wake up kqueue(9) users. However, this function can be called from different code paths, with different lock requirements. This patch fixes the knote() call argument to match the relavant lock state. Also, comments have been updated to reflect current code. PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219846 Reported by: Aleksandr Fedorov <aleksandr.fedorov@itglobal.com> Reviewed by: markj MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D18876 Notes: svn path=/stable/12/; revision=343829
* MFC r342368, r342369Vincenzo Maffione2018-12-311-12/+22
| | | | | | | | | | | | | | | | | | | | | netmap: fix bug in netmap_poll() optimization The bug was introduced by r339639, although it is present in the upstream netmap code since 2015. It is due to resetting the want_rx variable to POLLIN, rather than resetting it to POLLIN|POLLRDNORM. It only affects select(), which uses POLLRDNORM. poll() is not affected, because it uses POLLIN. Also, it only affects FreeBSD, because Linux skips the optimization implemented by the piece of code where the bug occurs. To check if txsync can be skipped, it is necessary to look for unseen TX space. However, this means comparing ring->cur against ring->tail, rather than ring->head against ring->tail (like nm_ring_empty() does). Sponsored by: Sunny Valley Networks Notes: svn path=/stable/12/; revision=342646
* MFC r342300Vincenzo Maffione2018-12-241-42/+52
| | | | | | | | | | | | netmap: move buf_size validation code to its own function This code validates the netmap buf_size against the interface MTU and maximum descriptor size, to make sure the values are consistent. Moving this functionality to its own function is needed because this function is also called by Linux-specific code. Notes: svn path=/stable/12/; revision=342391
* MFC r341624Vincenzo Maffione2018-12-131-0/+5
| | | | | | | | | | | | | | | | netmap: netmap_transmit should honor bpf packet tap hook This allows tcpdump to capture outbound kernel packets while in netmap mode Submitted by: Marc de la Gueronniere <mdelagueronniere@verisign.com> Reviewed by: vmaffione MFC after: 1 week Sponsored by: Verisign, Inc. Differential Revision: https://reviews.freebsd.org/D17896 Notes: svn path=/stable/12/; revision=342031
* MFC r341516, r341589Vincenzo Maffione2018-12-111-137/+341
| | | | | | | | | | | | | | | | | | | | | | | | | | netmap: align codebase to the current upstream (760279cfb2730a585) Changelist: - Replace netmap passthrough host support with a more general mechanism to call TXSYNC/RXSYNC from an in-kernel event-loop. No kernel threads are used to use this feature: the application is required to spawn a thread (or a process) and issue a SYNC_KLOOP_START (NIOCCTRL) command in the thread body. The kernel loop is executed by the ioctl implementation, which returns to userspace only when a different thread calls SYNC_KLOOP_STOP or the netmap file descriptor is closed. - Update the if_ptnet driver to cope with the new data structures, and prune all the obsolete ptnetmap code. - Add support for "null" netmap ports, useful to allocate netmap_if, netmap_ring and netmap buffers to be used by specialized applications (e.g. hypervisors). TXSYNC/RXSYNC on these ports have no effect. - Various fixes and code refactoring. Sponsored by: Sunny Valley Networks Differential Revision: https://reviews.freebsd.org/D18015 Notes: svn path=/stable/12/; revision=341815
* MFC r339639:Vincenzo Maffione2018-10-301-40/+85
| | | | | | | | | | | | | | | | | | | | netmap: align codebase to the current upstream (sha 8374e1a7e6941) Changelist: - Move large parts of VALE code to a new file and header netmap_bdg.[ch]. This is useful to reuse the code within upcoming projects. - Improvements and bug fixes to pipes and monitors. - Introduce nm_os_onattach(), nm_os_onenter() and nm_os_onexit() to handle differences between FreeBSD and Linux. - Introduce some new helper functions to handle more host rings and fake rings (netmap_all_rings(), netmap_real_rings(), ...) - Added new sysctl to enable/disable hw checksum in emulated netmap mode. - nm_inject: add support for NS_MOREFRAG Approved by: re (gjb) Notes: svn path=/stable/12/; revision=339906
* netmap: pull fix for 32-bit support from upstreamMatt Macy2018-05-181-69/+78
| | | | | | | Approved by: sbruno Notes: svn path=/head/; revision=333778
* netmap: align codebase to the current upstream (commit id 3fb001303718146)Vincenzo Maffione2018-04-121-343/+730
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changelist: - Turn tx_rings and rx_rings arrays into arrays of pointers to kring structs. This patch includes fixes for ixv, ixl, ix, re, cxgbe, iflib, vtnet and ptnet drivers to cope with the change. - Generalize the nm_config() callback to accept a struct containing many parameters. - Introduce NKR_FAKERING to support buffers sharing (used for netmap pipes) - Improved API for external VALE modules. - Various bug fixes and improvements to the netmap memory allocator, including support for externally (userspace) allocated memory. - Refactoring of netmap pipes: now linked rings share the same netmap buffers, with a separate set of kring pointers (rhead, rcur, rtail). Buffer swapping does not need to happen anymore. - Large refactoring of the control API towards an extensible solution; the goal is to allow the addition of more commands and extension of existing ones (with new options) without the need of hacks or the risk of running out of configuration space. A new NIOCCTRL ioctl has been added to handle all the requests of the new control API, which cover all the functionalities so far supported. The netmap API bumps from 11 to 12 with this patch. Full backward compatibility is provided for the old control command (NIOCREGIF), by means of a new netmap_legacy module. Many parts of the old netmap.h header has now been moved to netmap_legacy.h (included by netmap.h). Approved by: hrs (mentor) Notes: svn path=/head/; revision=332423
* netmap: align codebase to upstream version v11.4Vincenzo Maffione2018-04-091-83/+213
| | | | | | | | | | | | | | | | | | | Changelist: - remove unused nkr_slot_flags - new nm_intr adapter callback to enable/disable interrupts - remove unused sysctls and document the other sysctls - new infrastructure to support NS_MOREFRAG for NIC ports - support for external memory allocator (for now linux-only), including linux-specific changes in common headers - optimizations within netmap pipes datapath - improvements on VALE control API - new nm_parse() helper function in netmap_user.h - various bug fixes and code clean up Approved by: hrs (mentor) Notes: svn path=/head/; revision=332319
* sys/dev: further adoption of SPDX licensing ID tags.Pedro F. Giffuni2017-11-271-1/+3
| | | | | | | | | | | | | | | Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Notes: svn path=/head/; revision=326255
* Update the current version of netmap to bring it in sync with the githubLuiz Otavio O Souza2017-06-121-177/+226
| | | | | | | | | | | | | | version. This commit contains mostly refactoring, a few fixes and minor added functionality. Submitted by: Vincenzo Maffione <v.maffione at gmail.com> Requested by: many Sponsored by: Rubicon Communications, LLC (Netgate) Notes: svn path=/head/; revision=319881
* Various fixes for ptnet/ptnetmap (passthrough of netmap ports). In detail:Luigi Rizzo2016-10-271-6/+15
| | | | | | | | | | | - use PCI_VENDOR and PCI_DEVICE ids from a publicly allocated range (thanks to RedHat) - export memory pool information through PCI registers - improve mechanism for configuring passthrough on different hypervisors Code is from Vincenzo Maffione as a follow up to his GSOC work. Notes: svn path=/head/; revision=308000
* remove stale and unused code from various filesLuigi Rizzo2016-10-181-4/+1
| | | | | | | | | | | | fix build on 32 bit platforms simplify logic in netmap_virt.h The commands (in net/netmap.h) to configure communication with the hypervisor may be revised soon. At the moment they are unused so this will not be a change of API. Notes: svn path=/head/; revision=307574
* Import the current version of netmap, aligned with the one on github.Luigi Rizzo2016-10-161-543/+709
| | | | | | | | | | | | | | | | | | | This commit, long overdue, contains contributions in the last 2 years from Stefano Garzarella, Giuseppe Lettieri, Vincenzo Maffione, including: + fixes on monitor ports + the 'ptnet' virtual device driver, and ptnetmap backend, for high speed virtual passthrough on VMs (bhyve fixes in an upcoming commit) + improved emulated netmap mode + more robust error handling + removal of stale code + various fixes to code and documentation (some mixup between RX and TX parameters, and private and public variables) We also include an additional tool, nmreplay, which is functionally equivalent to tcpreplay but operating on netmap ports. Notes: svn path=/head/; revision=307394
* Don't repeat the the word 'the'Eitan Adler2016-05-171-1/+1
| | | | | | | | | | (one manual change to fix grammar) Confirmed With: db Approved by: secteam (not really, but this is a comment typo fix) Notes: svn path=/head/; revision=300050
* sys/dev: minor spelling fixes.Pedro F. Giffuni2016-05-031-3/+3
| | | | | | | Most affect comments, very few have user-visible effects. Notes: svn path=/head/; revision=298955
* Fix typo (s/harware/hardware/)Kevin Lo2015-12-251-1/+1
| | | | Notes: svn path=/head/; revision=292730
* Don't call enable_all_rings if the adapter has been freed.Adrian Chadd2015-09-071-2/+5
| | | | | | | | | | | This is a subtle use-after-free race that results in some very undesirable hang behaviour. Reviewed by: pkelsey Obtained from: Kip Macy, NextBSD (https://github.com/NextBSD/NextBSD/commit/91a9bd1dbb33dafb41684d054e59d73976de9654) Notes: svn path=/head/; revision=287543
* add a use count so the netmap module cannot be unloaded while in use.Luigi Rizzo2015-07-191-2/+3
| | | | Notes: svn path=/head/; revision=285699
* staticize functions only used in netmap.cLuigi Rizzo2015-07-101-14/+14
| | | | | | | | | | | | | (detected by jenkins run with gcc 4.9) Update documentation on the use of netmap_priv_d, rename the refcount and use the same structure in FreeBSD and linux No functional changes. Notes: svn path=/head/; revision=285359
* Sync netmap sources with the version in our private tree.Luigi Rizzo2015-07-101-480/+543
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit contains large contributions from Giuseppe Lettieri and Stefano Garzarella, is partly supported by grants from Verisign and Cisco, and brings in the following: - fix zerocopy monitor ports and introduce copying monitor ports (the latter are lower performance but give access to all traffic in parallel with the application) - exclusive open mode, useful to implement solutions that recover from crashes of the main netmap client (suggested by Patrick Kelsey) - revised memory allocator in preparation for the 'passthrough mode' (ptnetmap) recently presented at bsdcan. ptnetmap is described in S. Garzarella, G. Lettieri, L. Rizzo; Virtual device passthrough for high speed VM networking, ACM/IEEE ANCS 2015, Oakland (CA) May 2015 http://info.iet.unipi.it/~luigi/research.html - fix rx CRC handing on ixl - add module dependencies for netmap when building drivers as modules - minor simplifications to device-specific routines (*txsync, *rxsync) - general code cleanup (remove unused variables, introduce macros to access rings and remove duplicate code, Applications do not need to be recompiled, unless of course they want to use the new features (monitors and exclusive open). Those willing to try this code on stable/10 can just update the sys/dev/netmap/*, sys/net/netmap* with the version in HEAD and apply the small patches to individual device drivers. MFC after: 1 month Sponsored by: (partly) Verisign, Cisco Notes: svn path=/head/; revision=285349
* netmap: improve the netmap attach message on FreeBSD.Rui Paulo2015-04-111-0/+6
| | | | | | | MFC after: 1 week Notes: svn path=/head/; revision=281406
* two minor changes from the master netmap version:Luigi Rizzo2015-02-141-4/+3
| | | | | | | | | | 1. handle errors from nm_config(), if any (none of the FreeBSD drivers currently returns an error on this function, so this change is a no-op at this time 2. use a full memory barrier on ioctls Notes: svn path=/head/; revision=278774
* whitespace change:Luigi Rizzo2015-02-141-7/+5
| | | | | | | | clarify the role of MAKEDEV_ETERNAL_KLD, and remove an old #ifdef __FreeBSD__ since the code is valid on all platforms. Notes: svn path=/head/; revision=278773
* Change the permissions from 0660 to 0600.Adrian Chadd2015-01-241-2/+2
| | | | | | | | | | | Otherwise people in wheel can do things with netmap, including but not limited to promisc transmit/receive. Approved by: luigi MFC after: 1 week Notes: svn path=/head/; revision=277653
* add support for private knote lock (reduces lock contention),Luigi Rizzo2014-11-131-8/+33
| | | | | | | | adapting OS_selrecord accordingly. Problem and fix suggested by adrian and jmg Notes: svn path=/head/; revision=274459
* fix a panic when passing ifioctl from a netmap file descriptor toLuigi Rizzo2014-09-251-15/+10
| | | | | | | | | | the underlying device. This needs to be merged to 10.1 Reported by: Patrick Kelsey MFC after: 3 days Notes: svn path=/head/; revision=272111
* Update to the current version of netmap.Luigi Rizzo2014-08-161-146/+537
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mostly bugfixes or features developed in the past 6 months, so this is a 10.1 candidate. Basically no user API changes (some bugfixes in sys/net/netmap_user.h). In detail: 1. netmap support for virtio-net, including in netmap mode. Under bhyve and with a netmap backend [2] we reach over 1Mpps with standard APIs (e.g. libpcap), and 5-8 Mpps in netmap mode. 2. (kernel) add support for multiple memory allocators, so we can better partition physical and virtual interfaces giving access to separate users. The most visible effect is one additional argument to the various kernel functions to compute buffer addresses. All netmap-supported drivers are affected, but changes are mechanical and trivial 3. (kernel) simplify the prototype for *txsync() and *rxsync() driver methods. All netmap drivers affected, changes mostly mechanical. 4. add support for netmap-monitor ports. Think of it as a mirroring port on a physical switch: a netmap monitor port replicates traffic present on the main port. Restrictions apply. Drive carefully. 5. if_lem.c: support for various paravirtualization features, experimental and disabled by default. Most of these are described in our ANCS'13 paper [1]. Paravirtualized support in netmap mode is new, and beats the numbers in the paper by a large factor (under qemu-kvm, we measured gues-host throughput up to 10-12 Mpps). A lot of refactoring and additional documentation in the files in sys/dev/netmap, but apart from #2 and #3 above, almost nothing of this stuff is visible to other kernel parts. Example programs in tools/tools/netmap have been updated with bugfixes and to support more of the existing features. This is meant to go into 10.1 so we plan an MFC before the Aug.22 deadline. A lot of this code has been contributed by my colleagues at UNIPI, including Giuseppe Lettieri, Vincenzo Maffione, Stefano Garzarella. MFC after: 3 days. Notes: svn path=/head/; revision=270063
* Fixes from Fanco Ficthner on transparent modeLuigi Rizzo2014-06-091-19/+7
| | | | | | | | | | | | | | | | | | | | * The way rings are updated changed with the last API bump. Also sync ->head when moving slots in netmap_sw_to_nic(). * Remove a crashing selrecord() call. * Unclog the logic surrounding netmap_rxsync_from_host(). * Add timestamping to RX host ring. * Remove a couple of obsolete comments. Submitted by: Franco Fichtner MFC after: 3 days Sponsored by: Packetwerk Notes: svn path=/head/; revision=267284
* introduce mbq_lock() and mbq_unlock() for the mbq,Luigi Rizzo2014-06-061-4/+4
| | | | | | | | | | so it is easier to buil the same code on linux (this generalizes the change in svn 267142) MFC after: 3 days Notes: svn path=/head/; revision=267177
* align comments with the ones in our development trunkLuigi Rizzo2014-06-061-17/+98
| | | | Notes: svn path=/head/; revision=267165
* prevent a panic when the netdev/ifp is not set in attachLuigi Rizzo2014-06-061-1/+2
| | | | | | | | | (internal c63a7b85) MFC after: 3 days Notes: svn path=/head/; revision=267150
* Use mtx_lock_spin/mtx_unlock_spin primitives on spin lockAndrey Zonov2014-06-061-4/+4
| | | | | | | | Reviewed by: luigi MFC after: 1 week Notes: svn path=/head/; revision=267142
* whitespace change: remove trailing whitespaceLuigi Rizzo2014-06-051-3/+3
| | | | Notes: svn path=/head/; revision=267128
* two small changes:Luigi Rizzo2014-02-181-2/+12
| | | | | | | | | | | | - intercept FIONBIO and FIOASYNC ioctls on netmap file descriptors. libpcap calls them to set non blocking I/O on the file descriptor, for netmap this is a no-op because there is no read/write, but not intercepting would cause fcntl() to return -1 - rate limit and put under netmap.verbose some messages that occur when threads use concurrently the same file descriptor. Notes: svn path=/head/; revision=262149
* This new version of netmap brings you the following:Luigi Rizzo2014-02-151-196/+299
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - netmap pipes, providing bidirectional blocking I/O while moving 100+ Mpps between processes using shared memory channels (no mistake: over one hundred million. But mind you, i said *moving* not *processing*); - kqueue support (BHyVe needs it); - improved user library. Just the interface name lets you select a NIC, host port, VALE switch port, netmap pipe, and individual queues. The upcoming netmap-enabled libpcap will use this feature. - optional extra buffers associated to netmap ports, for applications that need to buffer data yet don't want to make copies. - segmentation offloading for the VALE switch, useful between VMs. and a number of bug fixes and performance improvements. My colleagues Giuseppe Lettieri and Vincenzo Maffione did a substantial amount of work on these features so we owe them a big thanks. There are some external repositories that can be of interest: https://code.google.com/p/netmap our public repository for netmap/VALE code, including linux versions and other stuff that does not belong here, such as python bindings. https://code.google.com/p/netmap-libpcap a clone of the libpcap repository with netmap support. With this any libpcap client has access to most netmap feature with no recompilation. E.g. tcpdump can filter packets at 10-15 Mpps. https://code.google.com/p/netmap-ipfw a userspace version of ipfw+dummynet which uses netmap to send/receive packets. Speed is up in the 7-10 Mpps range per core for simple rulesets. Both netmap-libpcap and netmap-ipfw will be merged upstream at some point, but while this happens it is useful to have access to them. And yes, this code will be merged soon. It is infinitely better than the version currently in 10 and 9. MFC after: 3 days Notes: svn path=/head/; revision=261909
* netmap_user.h:Luigi Rizzo2014-01-161-15/+12
| | | | | | | | | | | | | | | | | | | | | add separate rx/tx ring indexes add ring specifier in nm_open device name netmap.c, netmap_vale.c more consistent errno numbers netmap_generic.c correctly handle failure in registering interfaces. tools/tools/netmap/ massive cleanup of the example programs (a lot of common code is now in netmap_user.h.) nm_util.[ch] are going away soon. pcap.c will also go when i commit the native netmap support for libpcap. Notes: svn path=/head/; revision=260700
* Fix build with VIMAGE.Gleb Smirnoff2014-01-091-0/+2
| | | | Notes: svn path=/head/; revision=260462
* fix use after free when releasing a netmap adapter.Luigi Rizzo2014-01-071-3/+8
| | | | | | | Submitted by: Giuseppe Lettieri Notes: svn path=/head/; revision=260411
* It is 2014 and we have a new version of netmap.Luigi Rizzo2014-01-061-383/+448
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most relevant features: - netmap emulation on any NIC, even those without native netmap support. On the ixgbe we have measured about 4Mpps/core/queue in this mode, which is still a lot more than with sockets/bpf. - seamless interconnection of VALE switch, NICs and host stack. If you disable accelerations on your NIC (say em0) ifconfig em0 -txcsum -txcsum you can use the VALE switch to connect the NIC and the host stack: vale-ctl -h valeXX:em0 allowing sharing the NIC with other netmap clients. - THE USER API HAS SLIGHTLY CHANGED (head/cur/tail pointers instead of pointers/count as before). This was unavoidable to support, in the future, multiple threads operating on the same rings. Netmap clients require very small source code changes to compile again. On the plus side, the new API should be easier to understand and the internals are a lot simpler. The manual page has been updated extensively to reflect the current features and give some examples. This is the result of work of several people including Giuseppe Lettieri, Vincenzo Maffione, Michio Honda and myself, and has been financially supported by EU projects CHANGE and OPENLAB, from NetApp University Research Fund, NEC, and of course the Universita` di Pisa. Notes: svn path=/head/; revision=260368
* Fix build.Gleb Smirnoff2013-12-181-0/+1
| | | | Notes: svn path=/head/; revision=259538
* split netmap code according to functions:Luigi Rizzo2013-12-151-2414/+773
| | | | | | | | | | | | | | - netmap.c base code - netmap_freebsd.c FreeBSD-specific code - netmap_generic.c emulate netmap over standard drivers - netmap_mbq.c simple mbuf tailq - netmap_mem2.c memory management - netmap_vale.c VALE switch simplify devce-specific code Notes: svn path=/head/; revision=259412
* remove a debugging messageLuigi Rizzo2013-11-061-1/+1
| | | | Notes: svn path=/head/; revision=257758
* remove some test code.Luigi Rizzo2013-11-051-117/+0
| | | | Notes: svn path=/head/; revision=257666
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