From patchwork Tue Dec 12 12:57:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maciej Fijalkowski X-Patchwork-Id: 13489248 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="lsvvZr0E" Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B72DEA; Tue, 12 Dec 2023 04:58:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1702385883; x=1733921883; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=TkoSadS1lmZIZcSuoADu6CiLkg/e9nxH/ErOFUjQY4k=; b=lsvvZr0EWGElGcjNdQZlaaYYd+uzCQMJqlwZvP7S79nJM7CD85pdqscE nZauGFbuZT9EU1SsnvjS+JKmi2hlMd2Je4/jk/qMTxrD4E82Y7tmSj/4T fIcjD9Iku2k4PulQv6KCIKTgRPBJ0i4ZUC3H1HyF3UQfqnM3zM1vBGAM1 KXgtgKVrCzXMsxiO2VPcCbggWXsW3D2jj4OtU0+C7nd7+qgAVZoxSdjxG C0AwT4tQP+HBhlvOGQa6iJiKB8a/J+Ffwuy9DP4QFcgXzgittKsNmjX04 mOXPaiiNE3NRWQcoEOuXgN0HWhAseLh14a1NIMQJEi8i6Z40+QETV/rqV A==; X-IronPort-AV: E=McAfee;i="6600,9927,10921"; a="394549035" X-IronPort-AV: E=Sophos;i="6.04,270,1695711600"; d="scan'208";a="394549035" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Dec 2023 04:58:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10921"; a="896912330" X-IronPort-AV: E=Sophos;i="6.04,270,1695711600"; d="scan'208";a="896912330" Received: from boxer.igk.intel.com ([10.102.20.173]) by orsmga004.jf.intel.com with ESMTP; 12 Dec 2023 04:57:59 -0800 From: Maciej Fijalkowski To: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org Cc: netdev@vger.kernel.org, magnus.karlsson@intel.com, bjorn@kernel.org, maciej.fijalkowski@intel.com, echaudro@redhat.com, lorenzo@kernel.org Subject: [PATCH v2 bpf 0/3] net: bpf_xdp_adjust_tail() fixes Date: Tue, 12 Dec 2023 13:57:10 +0100 Message-Id: <20231212125713.336271-1-maciej.fijalkowski@intel.com> X-Mailer: git-send-email 2.35.3 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: bpf@iogearbox.net Hi, this set is about fixing bpf_xdp_adjust_tail() usage in XDP progs for multi-buffer AF_XDP. Both copy and zero-copy modes were broken. Thanks, Maciej v2: - fix !CONFIG_XDP_SOCKETS builds - add reviewed-by tag to patch 3 Maciej Fijalkowski (3): xsk: recycle buffer in case Rx queue was full xsk: fix usage of multi-buffer BPF helpers for ZC XDP ice: work on pre-XDP prog frag count drivers/net/ethernet/intel/ice/ice_txrx.c | 14 ++++-- drivers/net/ethernet/intel/ice/ice_txrx.h | 1 + drivers/net/ethernet/intel/ice/ice_txrx_lib.h | 31 ++++++++---- include/net/xdp_sock_drv.h | 26 ++++++++++ net/core/filter.c | 48 +++++++++++++++---- net/xdp/xsk.c | 12 +++-- 6 files changed, 105 insertions(+), 27 deletions(-)