From patchwork Thu Sep 14 21:04:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislav Fomichev X-Patchwork-Id: 13386053 X-Patchwork-Delegate: bpf@iogearbox.net Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 AE1FE26E0F for ; Thu, 14 Sep 2023 21:05:01 +0000 (UTC) Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 462352700 for ; Thu, 14 Sep 2023 14:05:01 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-d80db590b1cso2747701276.0 for ; Thu, 14 Sep 2023 14:05:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1694725500; x=1695330300; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=s8lJ/wwRdtQO1FPJ3x7uMnAOgiGCvLMvp8mW8wlA0oo=; b=yHP0JIars7HQmA5a3s3DoCjzBZHqVmgW2MVO7hTfbOuBq/savYnh4pQiRGQIS+2Gf/ ESTS50FpbRbBtq5msFNYq4QAq12AcUxKz9ehsuY6hs0UQH5yAk2bEGxHvpH3TElY/Btm Yao+E6heXgMH+OF7xi/8gTUjMfC6kGBy4C6SBnqlRstX+ueWWsez6C/oGAdb5hbXLEMw 88xjt/zicDdFkvZWDccYUTP8VSrnPYB9yOxb2TEiwNWgI+ERvbpItMwdSXFFOX/MyE8V GmuFUHLZhHS7R4zzSygnjTlwL3ZiMC4WUY/lCYdEywdN5odB4DpimwvSB0NaVzoxUfSK L5rA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694725500; x=1695330300; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=s8lJ/wwRdtQO1FPJ3x7uMnAOgiGCvLMvp8mW8wlA0oo=; b=MsSvcILOnZnhZbNMBoOVzrUjpZPzOfZ2OjcC3ZGVqWu97HTQvilAFlCdVPnRXEj1D0 mF5egoaWS2TIKv7nhoqrlsz7IpkB0uw0NBCr9Fm3aUUr8xAsn4mdLDE2ehayIaZtXqkL lSYtPuq9UlSCLuyLdjZgm/FXliusIcrfN786QyxF5buu1Hhcj85a6E6siFbOGuEnr9cM GIj2dmqMivfIGi765/5OBkFp4VPwSMbmjKXU8EJGbzMEBS44c80yT6e0ohE7oZ+qMpKN D18Yxeo7PiJx7Va2aVI6h3j8BuCWA/TuMvfzG0DaMXGvHSFh5zMeycK2SMRbQ63t9W6U Qeiw== X-Gm-Message-State: AOJu0Yy42Ppw0MgilevxBOV/gCax4LSH8cINilzFi0JiGTqSUBNaygvQ jI0kFE52LRL2OedKo9u3GjEkFn9BnwPpfjwOLdXBkzsFQ1SbE5C2YkaHLEHL3pOhOpk1P/pEnOT PtVvmaCp6AMT2LdedDlRpy38BAIYGbZH2e83gOGEohImq7d7U4g== X-Google-Smtp-Source: AGHT+IGBVfjbSsKj7d7DebQnG2T8uSrtj2rRYcb2IwJR9AmePoOHHNUoBNQun7eAKz/+4xI5vDVwGVs= X-Received: from sdf.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5935]) (user=sdf job=sendgmr) by 2002:a25:d141:0:b0:d77:fb00:b246 with SMTP id i62-20020a25d141000000b00d77fb00b246mr87035ybg.1.1694725500261; Thu, 14 Sep 2023 14:05:00 -0700 (PDT) Date: Thu, 14 Sep 2023 14:04:46 -0700 In-Reply-To: <20230914210452.2588884-1-sdf@google.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20230914210452.2588884-1-sdf@google.com> X-Mailer: git-send-email 2.42.0.459.ge4e396fd5e-goog Message-ID: <20230914210452.2588884-4-sdf@google.com> Subject: [PATCH bpf-next v2 3/9] tools: ynl: print xsk-features from the sample From: Stanislav Fomichev To: bpf@vger.kernel.org Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, song@kernel.org, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, kuba@kernel.org, toke@kernel.org, willemb@google.com, dsahern@kernel.org, magnus.karlsson@intel.com, bjorn@kernel.org, maciej.fijalkowski@intel.com, hawk@kernel.org, yoong.siang.song@intel.com, netdev@vger.kernel.org, xdp-hints@xdp-project.net X-Patchwork-Delegate: bpf@iogearbox.net Regenerate the userspace specs and print xsk-features bitmask. Signed-off-by: Stanislav Fomichev --- tools/net/ynl/generated/netdev-user.c | 19 +++++++++++++++++++ tools/net/ynl/generated/netdev-user.h | 3 +++ tools/net/ynl/samples/netdev.c | 6 ++++++ 3 files changed, 28 insertions(+) diff --git a/tools/net/ynl/generated/netdev-user.c b/tools/net/ynl/generated/netdev-user.c index 68b408ca0f7f..f8dd6aa0ad97 100644 --- a/tools/net/ynl/generated/netdev-user.c +++ b/tools/net/ynl/generated/netdev-user.c @@ -45,12 +45,26 @@ const char *netdev_xdp_act_str(enum netdev_xdp_act value) return netdev_xdp_act_strmap[value]; } +static const char * const netdev_xsk_flags_strmap[] = { + [0] = "tx-timestamp", + [1] = "tx-checksum", +}; + +const char *netdev_xsk_flags_str(enum netdev_xsk_flags value) +{ + value = ffs(value) - 1; + if (value < 0 || value >= (int)MNL_ARRAY_SIZE(netdev_xsk_flags_strmap)) + return NULL; + return netdev_xsk_flags_strmap[value]; +} + /* Policies */ struct ynl_policy_attr netdev_dev_policy[NETDEV_A_DEV_MAX + 1] = { [NETDEV_A_DEV_IFINDEX] = { .name = "ifindex", .type = YNL_PT_U32, }, [NETDEV_A_DEV_PAD] = { .name = "pad", .type = YNL_PT_IGNORE, }, [NETDEV_A_DEV_XDP_FEATURES] = { .name = "xdp-features", .type = YNL_PT_U64, }, [NETDEV_A_DEV_XDP_ZC_MAX_SEGS] = { .name = "xdp-zc-max-segs", .type = YNL_PT_U32, }, + [NETDEV_A_DEV_XSK_FEATURES] = { .name = "xsk-features", .type = YNL_PT_U64, }, }; struct ynl_policy_nest netdev_dev_nest = { @@ -97,6 +111,11 @@ int netdev_dev_get_rsp_parse(const struct nlmsghdr *nlh, void *data) return MNL_CB_ERROR; dst->_present.xdp_zc_max_segs = 1; dst->xdp_zc_max_segs = mnl_attr_get_u32(attr); + } else if (type == NETDEV_A_DEV_XSK_FEATURES) { + if (ynl_attr_validate(yarg, attr)) + return MNL_CB_ERROR; + dst->_present.xsk_features = 1; + dst->xsk_features = mnl_attr_get_u64(attr); } } diff --git a/tools/net/ynl/generated/netdev-user.h b/tools/net/ynl/generated/netdev-user.h index 0952d3261f4d..b8c5cdb331b4 100644 --- a/tools/net/ynl/generated/netdev-user.h +++ b/tools/net/ynl/generated/netdev-user.h @@ -18,6 +18,7 @@ extern const struct ynl_family ynl_netdev_family; /* Enums */ const char *netdev_op_str(int op); const char *netdev_xdp_act_str(enum netdev_xdp_act value); +const char *netdev_xsk_flags_str(enum netdev_xsk_flags value); /* Common nested types */ /* ============== NETDEV_CMD_DEV_GET ============== */ @@ -48,11 +49,13 @@ struct netdev_dev_get_rsp { __u32 ifindex:1; __u32 xdp_features:1; __u32 xdp_zc_max_segs:1; + __u32 xsk_features:1; } _present; __u32 ifindex; __u64 xdp_features; __u32 xdp_zc_max_segs; + __u64 xsk_features; }; void netdev_dev_get_rsp_free(struct netdev_dev_get_rsp *rsp); diff --git a/tools/net/ynl/samples/netdev.c b/tools/net/ynl/samples/netdev.c index 06433400dddd..06377e3f1df5 100644 --- a/tools/net/ynl/samples/netdev.c +++ b/tools/net/ynl/samples/netdev.c @@ -38,6 +38,12 @@ static void netdev_print_device(struct netdev_dev_get_rsp *d, unsigned int op) printf(" %s", netdev_xdp_act_str(1 << i)); } + printf(" %llx:", d->xsk_features); + for (int i = 0; d->xsk_features > 1U << i; i++) { + if (d->xsk_features & (1U << i)) + printf(" %s", netdev_xsk_flags_str(1 << i)); + } + printf(" xdp-zc-max-segs=%u", d->xdp_zc_max_segs); name = netdev_op_str(op);