Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2213354/?format=api
{ "id": 2213354, "url": "http://patchwork.ozlabs.org/api/patches/2213354/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260319171650.5815-2-kohei@enjuk.jp/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260319171650.5815-2-kohei@enjuk.jp>", "list_archive_url": null, "date": "2026-03-19T17:16:42", "name": "[iwl-next,v1,1/3] i40e: prepare for XDP metadata ops support", "commit_ref": null, "pull_url": null, "state": "under-review", "archived": false, "hash": "b59b95090f50f2db267edae8045a2a4ece06eddc", "submitter": { "id": 92459, "url": "http://patchwork.ozlabs.org/api/people/92459/?format=api", "name": "Kohei Enju", "email": "kohei@enjuk.jp" }, "delegate": { "id": 109701, "url": "http://patchwork.ozlabs.org/api/users/109701/?format=api", "username": "anguy11", "first_name": "Anthony", "last_name": "Nguyen", "email": "anthony.l.nguyen@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260319171650.5815-2-kohei@enjuk.jp/mbox/", "series": [ { "id": 496692, "url": "http://patchwork.ozlabs.org/api/series/496692/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=496692", "date": "2026-03-19T17:16:42", "name": "i40e: support XDP metadata ops (RX", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/496692/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2213354/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2213354/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=osuosl.org header.i=@osuosl.org header.a=rsa-sha256\n header.s=default header.b=QAp8MG2e;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=2605:bc80:3010::136; helo=smtp3.osuosl.org;\n envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from smtp3.osuosl.org (smtp3.osuosl.org [IPv6:2605:bc80:3010::136])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fcC766P8zz1y0H\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 20 Mar 2026 04:17:22 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby smtp3.osuosl.org (Postfix) with ESMTP id 2C6126069B;\n\tThu, 19 Mar 2026 17:17:21 +0000 (UTC)", "from smtp3.osuosl.org ([127.0.0.1])\n by localhost (smtp3.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id toAFwxdtF2J4; Thu, 19 Mar 2026 17:17:20 +0000 (UTC)", "from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142])\n\tby smtp3.osuosl.org (Postfix) with ESMTP id 9327D615FF;\n\tThu, 19 Mar 2026 17:17:20 +0000 (UTC)", "from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n by lists1.osuosl.org (Postfix) with ESMTP id 46AD9267\n for <intel-wired-lan@lists.osuosl.org>; Thu, 19 Mar 2026 17:17:18 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n by smtp4.osuosl.org (Postfix) with ESMTP id 28BF340F9D\n for <intel-wired-lan@lists.osuosl.org>; Thu, 19 Mar 2026 17:17:18 +0000 (UTC)", "from smtp4.osuosl.org ([127.0.0.1])\n by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id 3E88BQEhvqnJ for <intel-wired-lan@lists.osuosl.org>;\n Thu, 19 Mar 2026 17:17:17 +0000 (UTC)", "from www2881.sakura.ne.jp (www2881.sakura.ne.jp [49.212.198.91])\n by smtp4.osuosl.org (Postfix) with ESMTPS id 4085D40F80\n for <intel-wired-lan@lists.osuosl.org>; Thu, 19 Mar 2026 17:17:16 +0000 (UTC)", "from ms-a2 (122.24.31.150.dy.iij4u.or.jp [150.31.24.122])\n (authenticated bits=0)\n by www2881.sakura.ne.jp (8.16.1/8.16.1) with ESMTPSA id 62JHGx9v076770\n (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO);\n Fri, 20 Mar 2026 02:16:59 +0900 (JST) (envelope-from kohei@enjuk.jp)" ], "X-Virus-Scanned": [ "amavis at osuosl.org", "amavis at osuosl.org" ], "X-Comment": "SPF check N/A for local connections - client-ip=140.211.166.142;\n helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp3.osuosl.org 9327D615FF", "OpenDKIM Filter v2.11.0 smtp4.osuosl.org 4085D40F80" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1773940640;\n\tbh=WGbzCKIs05fkhZHCHfv1/0M5dGRY957hmlR1wbvNhaE=;\n\th=From:To:Cc:Date:In-Reply-To:References:Subject:List-Id:\n\t List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe:\n\t From;\n\tb=QAp8MG2eJJMkMOSc5xP1O4AuVdnn+Vhtxk8Rj2RAblzl4z5lrPdX8RHLfE5EXp+Ab\n\t A2+eApxcUsWoTBOWbugtNzJvK2X1eRHA8nBRMJs9fcdO1Q4Bha5sKnFaveCNJbSSA0\n\t pNMkFX+FdFDbmMgtbliaK71OuXSC/Bxe9HzUN+awNZkIp6RD0nMAyapavIrGKxDruN\n\t jDNP6Mufuv0WCEqNAESOxZIqlXfkkEiTgCKtvajY7sQk3/s3+KwYegW8RJGV9MKbJj\n\t JBN+ORL5tXl+959b/nCY4/3ikWTyCmhK2RkPR2Puki13ZigPOp0zb4soWclNkA5OLC\n\t 6Z9CL9STi5NQg==", "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=49.212.198.91;\n helo=www2881.sakura.ne.jp; envelope-from=kohei@enjuk.jp; receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp4.osuosl.org 4085D40F80", "From": "Kohei Enju <kohei@enjuk.jp>", "To": "intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org", "Cc": "Tony Nguyen <anthony.l.nguyen@intel.com>,\n Przemek Kitszel <przemyslaw.kitszel@intel.com>,\n Andrew Lunn <andrew+netdev@lunn.ch>,\n \"David S. Miller\" <davem@davemloft.net>,\n Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>,\n Paolo Abeni <pabeni@redhat.com>, kohei.enju@gmail.com,\n Kohei Enju <kohei@enjuk.jp>", "Date": "Thu, 19 Mar 2026 17:16:42 +0000", "Message-ID": "<20260319171650.5815-2-kohei@enjuk.jp>", "X-Mailer": "git-send-email 2.51.0", "In-Reply-To": "<20260319171650.5815-1-kohei@enjuk.jp>", "References": "<20260319171650.5815-1-kohei@enjuk.jp>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Mailman-Original-DKIM-Signature": "a=rsa-sha256;\n bh=WGbzCKIs05fkhZHCHfv1/0M5dGRY957hmlR1wbvNhaE=;\n c=relaxed/relaxed; d=enjuk.jp;\n h=From:Message-ID:To:Subject:Date;\n s=rs20251215; t=1773940619; v=1;\n b=Ohl5b+6HxbDnpIFWoGbaipMRS2j8uqfjhVN3LqyWWnzgiD3QGoPINdAA7m2ufRb9\n QFv97UeR20iSSgrw+fbQUM2wcLf/ybHLRNODHPDuwT7xXCFHOo346mw24AHCgN1F\n BxB2Ie1rPVtRCA921BdhkEfrGwa3dnUK/+6srsC0cUH7q/OUVLO7QHeHnjIHIX9+\n PAJO+vw8U0Ubo3EzTPvXFoPccO6+THnTHMRUnxn6578s4gHI72B0dxdotFCalyh7\n 2rV2kyB+d+/6OnVWfLTIuFATXha5veNMPJLUVvQ8rhAAI4qYktFNFmNlzKcxHAkC\n fcy6kiRtbY81VUtzQbXW5Q==", "X-Mailman-Original-Authentication-Results": [ "smtp4.osuosl.org;\n dmarc=pass (p=none dis=none)\n header.from=enjuk.jp", "smtp4.osuosl.org;\n dkim=pass (2048-bit key,\n unprotected) header.d=enjuk.jp header.i=@enjuk.jp header.a=rsa-sha256\n header.s=rs20251215 header.b=Ohl5b+6H" ], "Subject": "[Intel-wired-lan] [PATCH iwl-next v1 1/3] i40e: prepare for XDP\n metadata ops support", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n <intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "Prepare 'struct i40e_xdp_buff' that contains an xdp_buff and a pointer\nto i40e_rx_desc in order to pass the RX descriptor to the XDP kfuncs.\nAlso in ZC path, use XSK_CHECK_PRIV_TYPE() to ensure i40e_xdp_buff\ndoesn't exceed the offset of cb in xdp_buff_xsk.\n\nNo functional changes.\n\nSigned-off-by: Kohei Enju <kohei@enjuk.jp>\n---\n drivers/net/ethernet/intel/i40e/i40e_main.c | 2 +-\n drivers/net/ethernet/intel/i40e/i40e_txrx.c | 5 ++++-\n drivers/net/ethernet/intel/i40e/i40e_txrx.h | 7 ++++++-\n drivers/net/ethernet/intel/i40e/i40e_xsk.c | 12 ++++++++++++\n 4 files changed, 23 insertions(+), 3 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c\nindex 31a42ee18aa0..7966d9cb8009 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_main.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c\n@@ -3619,7 +3619,7 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)\n \t}\n \n skip:\n-\txdp_init_buff(&ring->xdp, xdp_frame_sz, &ring->xdp_rxq);\n+\txdp_init_buff(&ring->xdp_ctx.xdp, xdp_frame_sz, &ring->xdp_rxq);\n \n \trx_ctx.dbuff = DIV_ROUND_UP(ring->rx_buf_len,\n \t\t\t\t BIT_ULL(I40E_RXQ_CTX_DBUFF_SHIFT));\ndiff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c\nindex 4ffdb007c41a..cfaf724ee7ff 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c\n@@ -2438,10 +2438,11 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget,\n \t\t\t unsigned int *rx_cleaned)\n {\n \tunsigned int total_rx_bytes = 0, total_rx_packets = 0;\n+\tstruct i40e_xdp_buff *xdp_ctx = &rx_ring->xdp_ctx;\n \tu16 cleaned_count = I40E_DESC_UNUSED(rx_ring);\n \tu16 clean_threshold = rx_ring->count / 2;\n \tunsigned int offset = rx_ring->rx_offset;\n-\tstruct xdp_buff *xdp = &rx_ring->xdp;\n+\tstruct xdp_buff *xdp = &xdp_ctx->xdp;\n \tunsigned int xdp_xmit = 0;\n \tstruct bpf_prog *xdp_prog;\n \tbool failure = false;\n@@ -2530,6 +2531,8 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget,\n \t\tif (neop)\n \t\t\tcontinue;\n \n+\t\txdp_ctx->desc = rx_desc;\n+\n \t\txdp_res = i40e_run_xdp(rx_ring, xdp, xdp_prog);\n \n \t\tif (xdp_res) {\ndiff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h\nindex e630493e9139..6c6ba42ee00c 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h\n+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h\n@@ -283,6 +283,11 @@ struct i40e_rx_buffer {\n \t__u32 page_count;\n };\n \n+struct i40e_xdp_buff {\n+\tstruct xdp_buff xdp;\n+\tconst union i40e_rx_desc *desc;\n+};\n+\n struct i40e_queue_stats {\n \tu64 packets;\n \tu64 bytes;\n@@ -345,7 +350,7 @@ struct i40e_ring {\n \t * and to resume packet building for this ring in the next call to\n \t * i40e_clean_rx_ring_irq().\n \t */\n-\tstruct xdp_buff xdp;\n+\tstruct i40e_xdp_buff xdp_ctx;\n \n \t/* Next descriptor to be processed; next_to_clean is updated only on\n \t * processing EOP descriptor\ndiff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c\nindex 9f47388eaba5..51a05ce4c7ce 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c\n@@ -246,6 +246,8 @@ bool i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 count)\n \tu32 nb_buffs, i;\n \tdma_addr_t dma;\n \n+\tXSK_CHECK_PRIV_TYPE(struct i40e_xdp_buff);\n+\n \trx_desc = I40E_RX_DESC(rx_ring, ntu);\n \txdp = i40e_rx_bi(rx_ring, ntu);\n \n@@ -396,6 +398,14 @@ static void i40e_handle_xdp_result_zc(struct i40e_ring *rx_ring,\n \tWARN_ON_ONCE(1);\n }\n \n+static struct i40e_xdp_buff *xsk_buff_to_i40e_ctx(struct xdp_buff *xdp)\n+{\n+\t/* xdp_buff pointer used by ZC code path is allocated as xdp_buff_xsk.\n+\t * i40e_xdp_buff private fields overlap with xdp_buff_xsk->cb.\n+\t */\n+\treturn (struct i40e_xdp_buff *)xdp;\n+}\n+\n /**\n * i40e_clean_rx_irq_zc - Consumes Rx packets from the hardware ring\n * @rx_ring: Rx ring\n@@ -472,6 +482,8 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)\n \t\tif (i40e_is_non_eop(rx_ring, rx_desc))\n \t\t\tcontinue;\n \n+\t\txsk_buff_to_i40e_ctx(first)->desc = rx_desc;\n+\n \t\txdp_res = i40e_run_xdp_zc(rx_ring, first, xdp_prog);\n \t\ti40e_handle_xdp_result_zc(rx_ring, first, rx_desc, &rx_packets,\n \t\t\t\t\t &rx_bytes, xdp_res, &failure);\n", "prefixes": [ "iwl-next", "v1", "1/3" ] }