From patchwork Tue Jun 26 16:56:22 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ga=C3=ABtan_Rivet?= X-Patchwork-Id: 41605 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 618211BE8E; Tue, 26 Jun 2018 18:57:38 +0200 (CEST) Received: from mail-wm0-f42.google.com (mail-wm0-f42.google.com [74.125.82.42]) by dpdk.org (Postfix) with ESMTP id C9F8C1BE3C for ; Tue, 26 Jun 2018 18:57:17 +0200 (CEST) Received: by mail-wm0-f42.google.com with SMTP id z137-v6so2619238wmc.0 for ; Tue, 26 Jun 2018 09:57:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:in-reply-to:references:content-transfer-encoding; bh=rZKGiEjUpkRjzJrFoVp0UVqkqGWKBiX/7X7BIuix/FY=; b=u35BBWQeCAOSjqSTeybtLs0u/1LyxdjyyhGtni4U+tDCmE/3vP6PWxp9DyIIbs9Aca m0yB64Z9s9PPrbHD46y5kAXE2Glrw2MuXaC0bcDzXns6SSXQgU9360CCOlQCAsB1naXi DYlF6THxgCgvGVvkZn+H0Z3IfmpQACE0au8y0aBb6AFx5DaSMT2LFlUUcHVVpCKUznZI 0azf9dDwUeHBC9Seef2X9Z7SfQWOPeRxfcU59rAYtdRFbCNiW9JMF4i+Wp+FgGDdw323 7o8rKe2cP52jznRuxv7Sy1+dpWwaqcQ7efVmI46FZJ+zokR/uUyaZ/oD0rl85xeLOTNt 1sBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:in-reply-to:references :content-transfer-encoding; bh=rZKGiEjUpkRjzJrFoVp0UVqkqGWKBiX/7X7BIuix/FY=; b=VAFrVgLCRYpELjvPJzUP+nKMtg1OPaIZ7sHteOf+XeKFmeU9lLFBlTQppVU27ckCEx DvUYk/QNN8M/tL1wTxIaMi5HTXxL/dCcZK1YObXL0F7EoCQuuafsUGR5qWo2O5mLcL59 V3GyLufxpTihwc26H/HibW3CCKPljT5DCBVX6tMn688tkz9X2qZSO5AHn2Si6TiKzoNL HWGuZcqJnGp1IhHaABLRtfLoQTqShScriGrVLk8jS+OsCUZNkM3N0cjMkBGVwM3WG98J G6P4wHHb+/zJ9SdPzRRmeZkS1mDspvNfrwR6B1Ik7pq1bGY2dXIzi4GakP6jwl3gzsiu 9JqA== X-Gm-Message-State: APt69E3iJfy2bER+Qq522kQGyLgVF5Obw3j4F9rKotGHHnvjnMf7slg5 xR7A0a0hBFBneOAj1si+MiIPWhH0 X-Google-Smtp-Source: AAOMgpcVXMot7jbF/ITSdcKRJ491bV/2KbwY1YhUvmJYNvjA8zJc1hQn707hANaCAPfElyYd/3P31w== X-Received: by 2002:a1c:afc3:: with SMTP id y186-v6mr2178591wme.87.1530032237114; Tue, 26 Jun 2018 09:57:17 -0700 (PDT) Received: from bidouze.dev.6wind.com. (host.78.145.23.62.rev.coltfrance.com. [62.23.145.78]) by smtp.gmail.com with ESMTPSA id p5-v6sm2680880wre.83.2018.06.26.09.57.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 26 Jun 2018 09:57:15 -0700 (PDT) From: Gaetan Rivet To: dev@dpdk.org Cc: Gaetan Rivet Date: Tue, 26 Jun 2018 18:56:22 +0200 Message-Id: <0f91387fadd8142c2427f8ce621d25a310088bd2.1530031921.git.gaetan.rivet@6wind.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: References: MIME-Version: 1.0 In-Reply-To: References: Subject: [dpdk-dev] [PATCH v8 19/21] ethdev: register ether layer as a class X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Gaetan Rivet --- lib/librte_ethdev/Makefile | 3 +- lib/librte_ethdev/rte_class_eth.c | 79 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 81 insertions(+), 1 deletion(-) create mode 100644 lib/librte_ethdev/rte_class_eth.c diff --git a/lib/librte_ethdev/Makefile b/lib/librte_ethdev/Makefile index 2fa133fbc..d4c3a8d06 100644 --- a/lib/librte_ethdev/Makefile +++ b/lib/librte_ethdev/Makefile @@ -12,7 +12,7 @@ CFLAGS += -DALLOW_EXPERIMENTAL_API CFLAGS += -O3 CFLAGS += $(WERROR_FLAGS) LDLIBS += -lrte_net -lrte_eal -lrte_mempool -lrte_ring -LDLIBS += -lrte_mbuf +LDLIBS += -lrte_mbuf -lrte_kvargs EXPORT_MAP := rte_ethdev_version.map @@ -20,6 +20,7 @@ LIBABIVER := 9 SRCS-y += eth_private.c SRCS-y += rte_ethdev.c +SRCS-y += rte_class_eth.c SRCS-y += rte_flow.c SRCS-y += rte_tm.c SRCS-y += rte_mtr.c diff --git a/lib/librte_ethdev/rte_class_eth.c b/lib/librte_ethdev/rte_class_eth.c new file mode 100644 index 000000000..32c736d32 --- /dev/null +++ b/lib/librte_ethdev/rte_class_eth.c @@ -0,0 +1,79 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Gaëtan Rivet + */ + +#include + +#include +#include +#include +#include +#include + +#include "rte_ethdev.h" +#include "rte_ethdev_core.h" +#include "eth_private.h" + +enum eth_params { + RTE_ETH_PARAMS_MAX, +}; + +static const char * const eth_params_keys[] = { + [RTE_ETH_PARAMS_MAX] = NULL, +}; + +struct eth_dev_match_arg { + struct rte_device *device; + struct rte_kvargs *kvlist; +}; + +#define eth_dev_match_arg(d, k) \ + (&(const struct eth_dev_match_arg) { \ + .device = (d), \ + .kvlist = (k), \ + }) + +static int +eth_dev_match(const struct rte_eth_dev *edev, + const void *_arg) +{ + const struct eth_dev_match_arg *arg = _arg; + const struct rte_kvargs *kvlist = arg->kvlist; + + if (edev->state == RTE_ETH_DEV_UNUSED) + return -1; + if (edev->device != arg->device) + return -1; + if (kvlist == NULL) + /* Empty string matches everything. */ + return 0; + return 0; +} + +static void * +eth_dev_iterate(const void *start, + const char *str, + const struct rte_dev_iterator *it) +{ + struct rte_kvargs *kvargs = NULL; + struct rte_eth_dev *edev = NULL; + + if (str != NULL) { + kvargs = rte_kvargs_parse(str, eth_params_keys); + if (kvargs == NULL) { + RTE_LOG(ERR, EAL, "cannot parse argument list\n"); + rte_errno = EINVAL; + return NULL; + } + } + edev = eth_find_device(start, eth_dev_match, + eth_dev_match_arg(it->device, kvargs)); + rte_kvargs_free(kvargs); + return edev; +} + +struct rte_class rte_class_eth = { + .dev_iterate = eth_dev_iterate, +}; + +RTE_REGISTER_CLASS(eth, rte_class_eth);