X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fsfc%2Fsfc_tweak.h;h=426e48f5935c577611cb98186bdf10167601a2e6;hb=0064bf431899b19c37960dd77523525497a5964e;hp=fd2f75c3e62793f67527d0bf63be86b2b53f6035;hpb=d321954343c8201571dcf41214eab8c7ab71772d;p=dpdk.git diff --git a/drivers/net/sfc/sfc_tweak.h b/drivers/net/sfc/sfc_tweak.h index fd2f75c3e6..426e48f593 100644 --- a/drivers/net/sfc/sfc_tweak.h +++ b/drivers/net/sfc/sfc_tweak.h @@ -1,32 +1,10 @@ -/*- - * BSD LICENSE +/* SPDX-License-Identifier: BSD-3-Clause * - * Copyright (c) 2016-2017 Solarflare Communications Inc. - * All rights reserved. + * Copyright(c) 2019-2020 Xilinx, Inc. + * Copyright(c) 2016-2019 Solarflare Communications Inc. * * This software was jointly developed between OKTET Labs (under contract * for Solarflare) and Solarflare Communications, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _SFC_TWEAK_H_ @@ -48,7 +26,7 @@ * this improves cache locality because the same mbufs may be used to send * subsequent bursts in certain cases because of well-timed reap */ -#define SFC_TX_XMIT_PKTS_REAP_AT_LEAST_ONCE 0 +#define SFC_TX_XMIT_PKTS_REAP_AT_LEAST_ONCE 1 /** Default free threshold follows recommendations from DPDK documentation */ #define SFC_TX_DEFAULT_FREE_THRESH 32 @@ -56,4 +34,12 @@ /** Number of mbufs to be freed in bulk in a single call */ #define SFC_TX_REAP_BULK_SIZE 32 +/** + * Default head-of-line block timeout to wait for Rx descriptor before + * packet drop because of no descriptors available. + * + * DPDK FW variant only with equal stride super-buffer Rx mode. + */ +#define SFC_RXD_WAIT_TIMEOUT_NS_DEF (200U * 1000) + #endif /* _SFC_TWEAK_H_ */