From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 177A07D07D for ; Wed, 9 Apr 2025 00:04:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744157072; cv=none; b=dPqoe+Ku68ZthN+QAxyen6qHXXyLViGsXmbpnjVk0zLQCP9kaQWlq5kEvK38arv5YX2MB9Qs3ki2aOTGZCNxdPozDXC9Wyd20b0NcPQzcVxUBYrMMdtE2vo38vGOukLQaz0v7vSZb7wKGYSYRSiwd5tgOedyR9RoRO/4kBug4cw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744157072; c=relaxed/simple; bh=LT5cBqZZGmg/Lie2cBLWEuIIWRsf57T0Vjd0+4sQd+I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=c/zMGdbzLv5Qf/djR3RrhrhsmZbpaSOeOQE8MTxSMV7jruZqgjJRq4AmKP4eV8BKe6kipJqJGBlFFb5nz72j29Bn17e5iL8MYIZg2mCOBdDjJodtflRzRmmAzT5WumvsAH7+xCHIgNivEzbWwlB8pegRfrJ2QXRNNB+Pxg2ZppQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=b5oGfP1Z; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="b5oGfP1Z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50A48C4CEE9; Wed, 9 Apr 2025 00:04:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744157072; bh=LT5cBqZZGmg/Lie2cBLWEuIIWRsf57T0Vjd0+4sQd+I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b5oGfP1ZNRiOpTUhhdBbvXsy15q9nwFJSZ0VEGTQkUTLCPa+kigt0/EIEOWQaHi7u RezwtEJueNVstQuJU+wWhYyD6SaA+lIyOMxO1i9aaimpesNLO8WiLWJQzNtJp4WFhH vaNuu3v/IYtWVIAgJRyDgG5EZxstkpQctEOdYIubqxq9RaNZCz7342TIvyozQb9cxo hr/csVq0P5Ev9nHoivGFnD9gGl4Sv7LAHxppgEFbMkHV2RBP9sfRYDPq4GgObA4rY3 3Dy/qwqdPICgICO/9MBF8iBKsY9lkcJ0qq2GE8uEzBH31EOWc6YKuoMccr2Og/f88C 7t8Bmte/0DUSw== From: Jakub Kicinski To: davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, donald.hunter@gmail.com, jacob.e.keller@intel.com, yuyanghuang@google.com, sdf@fomichev.me, gnault@redhat.com, nicolas.dichtel@6wind.com, petrm@nvidia.com, Jakub Kicinski Subject: [PATCH net-next 13/13] tools: ynl: generate code for rt-route and add a sample Date: Tue, 8 Apr 2025 17:04:00 -0700 Message-ID: <20250409000400.492371-14-kuba@kernel.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250409000400.492371-1-kuba@kernel.org> References: <20250409000400.492371-1-kuba@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit YNL C can now generate code for simple classic netlink families. Include rt-route in the Makefile for generation and add a sample. $ ./tools/net/ynl/samples/rt-route oif: wlp0s20f3 gateway: 192.168.1.1 oif: wlp0s20f3 dst: 192.168.1.0/24 oif: vpn0 dst: fe80::/64 oif: wlp0s20f3 dst: fe80::/64 oif: wlp0s20f3 gateway: fe80::200:5eff:fe00:201 Signed-off-by: Jakub Kicinski --- tools/net/ynl/Makefile.deps | 1 + tools/net/ynl/generated/Makefile | 2 +- tools/net/ynl/samples/rt-route.c | 80 ++++++++++++++++++++++++++++++++ tools/net/ynl/samples/.gitignore | 1 + 4 files changed, 83 insertions(+), 1 deletion(-) create mode 100644 tools/net/ynl/samples/rt-route.c diff --git a/tools/net/ynl/Makefile.deps b/tools/net/ynl/Makefile.deps index e55d94211df6..385783489f84 100644 --- a/tools/net/ynl/Makefile.deps +++ b/tools/net/ynl/Makefile.deps @@ -30,4 +30,5 @@ CFLAGS_ovs_datapath:=$(call get_hdr_inc,__LINUX_OPENVSWITCH_H,openvswitch.h) CFLAGS_ovs_flow:=$(call get_hdr_inc,__LINUX_OPENVSWITCH_H,openvswitch.h) CFLAGS_ovs_vport:=$(call get_hdr_inc,__LINUX_OPENVSWITCH_H,openvswitch.h) CFLAGS_rt-addr:=$(call get_hdr_inc,__LINUX_RTNETLINK_H,rtnetlink.h) +CFLAGS_rt-route:=$(call get_hdr_inc,__LINUX_RTNETLINK_H,rtnetlink.h) CFLAGS_tcp_metrics:=$(call get_hdr_inc,_LINUX_TCP_METRICS_H,tcp_metrics.h) diff --git a/tools/net/ynl/generated/Makefile b/tools/net/ynl/generated/Makefile index 67ce3b8988ef..6603ad8d4ce1 100644 --- a/tools/net/ynl/generated/Makefile +++ b/tools/net/ynl/generated/Makefile @@ -25,7 +25,7 @@ SPECS_DIR:=../../../../Documentation/netlink/specs GENS_PATHS=$(shell grep -nrI --files-without-match \ 'protocol: netlink' \ $(SPECS_DIR)) -GENS=$(patsubst $(SPECS_DIR)/%.yaml,%,${GENS_PATHS}) rt-addr +GENS=$(patsubst $(SPECS_DIR)/%.yaml,%,${GENS_PATHS}) rt-addr rt-route SRCS=$(patsubst %,%-user.c,${GENS}) HDRS=$(patsubst %,%-user.h,${GENS}) OBJS=$(patsubst %,%-user.o,${GENS}) diff --git a/tools/net/ynl/samples/rt-route.c b/tools/net/ynl/samples/rt-route.c new file mode 100644 index 000000000000..9d9c868f8873 --- /dev/null +++ b/tools/net/ynl/samples/rt-route.c @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include + +#include + +#include +#include + +#include "rt-route-user.h" + +static void rt_route_print(struct rt_route_getroute_rsp *r) +{ + char ifname[IF_NAMESIZE]; + char route_str[64]; + const char *route; + const char *name; + + /* Ignore local */ + if (r->_hdr.rtm_table == RT_TABLE_LOCAL) + return; + + if (r->_present.oif) { + name = if_indextoname(r->oif, ifname); + if (name) + printf("oif: %-16s ", name); + } + + if (r->_present.dst_len) { + route = inet_ntop(r->_hdr.rtm_family, r->dst, + route_str, sizeof(route_str)); + printf("dst: %s/%d", route, r->_hdr.rtm_dst_len); + } + + if (r->_present.gateway_len) { + route = inet_ntop(r->_hdr.rtm_family, r->gateway, + route_str, sizeof(route_str)); + printf("gateway: %s ", route); + } + + printf("\n"); +} + +int main(int argc, char **argv) +{ + struct rt_route_getroute_req_dump *req; + struct rt_route_getroute_list *rsp; + struct ynl_error yerr; + struct ynl_sock *ys; + + ys = ynl_sock_create(&ynl_rt_route_family, &yerr); + if (!ys) { + fprintf(stderr, "YNL: %s\n", yerr.msg); + return 1; + } + + req = rt_route_getroute_req_dump_alloc(); + if (!req) + goto err_destroy; + + rsp = rt_route_getroute_dump(ys, req); + rt_route_getroute_req_dump_free(req); + if (!rsp) + goto err_close; + + if (ynl_dump_empty(rsp)) + fprintf(stderr, "Error: no routeesses reported\n"); + ynl_dump_foreach(rsp, route) + rt_route_print(route); + rt_route_getroute_list_free(rsp); + + ynl_sock_destroy(ys); + return 0; + +err_close: + fprintf(stderr, "YNL: %s\n", ys->err.msg); +err_destroy: + ynl_sock_destroy(ys); + return 2; +} diff --git a/tools/net/ynl/samples/.gitignore b/tools/net/ynl/samples/.gitignore index 2bc8721d6144..7f9781cf532f 100644 --- a/tools/net/ynl/samples/.gitignore +++ b/tools/net/ynl/samples/.gitignore @@ -4,3 +4,4 @@ netdev ovs page-pool rt-addr +rt-route -- 2.49.0