1*bb75b0d5SLexi Winter/* 2*bb75b0d5SLexi Winter * SPDX-License-Identifier: ISC 3*bb75b0d5SLexi Winter * 4*bb75b0d5SLexi Winter * Copyright (c) 2025 Lexi Winter <ivy@FreeBSD.org> 5*bb75b0d5SLexi Winter * 6*bb75b0d5SLexi Winter * Permission to use, copy, modify, and distribute this software for any 7*bb75b0d5SLexi Winter * purpose with or without fee is hereby granted, provided that the above 8*bb75b0d5SLexi Winter * copyright notice and this permission notice appear in all copies. 9*bb75b0d5SLexi Winter * 10*bb75b0d5SLexi Winter * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11*bb75b0d5SLexi Winter * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12*bb75b0d5SLexi Winter * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13*bb75b0d5SLexi Winter * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14*bb75b0d5SLexi Winter * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15*bb75b0d5SLexi Winter * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16*bb75b0d5SLexi Winter * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17*bb75b0d5SLexi Winter */ 18*bb75b0d5SLexi Winter 19*bb75b0d5SLexi Wintercomment = "Userland netmap support" 20*bb75b0d5SLexi Winter 21*bb75b0d5SLexi Winterdesc = <<EOD 22*bb75b0d5SLexi WinterThe netmap(4) kernel facility allows userland applications to send and receive 23*bb75b0d5SLexi Winterdata on a network interface using a memory-mapped ring buffer. netmap offers 24*bb75b0d5SLexi Wintersignificantly better performance for this task than similar interfaces such as 25*bb75b0d5SLexi Winterbpf(4), tap(4), or raw sockets. 26*bb75b0d5SLexi Winter 27*bb75b0d5SLexi WinterThis package provides libnetmap, a library used by applications to interact 28*bb75b0d5SLexi Winterwith netmap, and valectl(8), a utility to manage vale(4) network switches. 29*bb75b0d5SLexi WinterEOD 30