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GET /api/patches/2213358/?format=api
{ "id": 2213358, "url": "http://patchwork.ozlabs.org/api/patches/2213358/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260319171650.5815-3-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": "<20260319171650.5815-3-kohei@enjuk.jp>", "list_archive_url": null, "date": "2026-03-19T17:16:43", "name": "[iwl-next,v1,2/3] i40e: add support for bpf_xdp_metadata_rx_hash()", "commit_ref": null, "pull_url": null, "state": "under-review", "archived": false, "hash": "84d4945e59994fb14f412880c9192ef8097c0508", "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/20260319171650.5815-3-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/2213358/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2213358/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=X5A/wYsq;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=140.211.166.137; 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envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp4.osuosl.org 5CDF9412AB", "OpenDKIM Filter v2.11.0 smtp2.osuosl.org 7F5294015A" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1773940642;\n\tbh=H3BlQ+dOv/udM0aaUOjA1M+YqN6bfxaU8xOaQjLz84I=;\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=X5A/wYsqm/J5FhI9fWdgE1KxYO1CmNGZ4vfDmPNspKjBCFUzdZCr8U/mCt6az6TZ/\n\t qWgmaI/aB+yuxzTEd2xkEsIveGMuXwoEuq/P4BQlbqIA8YzsSIjXydKPtXbZwUNOnl\n\t 5iVFtWMZj+y/KFfwz8ftVSx6fcIYeUuSo19LI0yQxBD7wlenMHYY2ta0GgKlAWLuex\n\t co85lRqfpBYsP1cCw2QceGED6RR9xbOP7VcsVyEOFygF5K1mgQyWtPJLMmeftx2t0d\n\t 0lA4WDH4gNoccVPhh8RX+32+fJr8hr45lVjTEIJHGIlDqF51H4ctijBrOufKcqPvl/\n\t tn+eI1pPhTaVA==", "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 smtp2.osuosl.org 7F5294015A", "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 17:16:43 +0000", "Message-ID": "<20260319171650.5815-3-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=H3BlQ+dOv/udM0aaUOjA1M+YqN6bfxaU8xOaQjLz84I=;\n c=relaxed/relaxed; d=enjuk.jp;\n h=From:Message-ID:To:Subject:Date;\n s=rs20251215; t=1773940622; v=1;\n b=khPvm4sjbytDE+ryWZb5mvByATeK8ZG5rDM0TLZut7GnUr4dkiJejIBI6FccssNW\n ZvTFm+viZSy5xL9rSnfX5DnFGHNfmoemw6YAlbkuLuxv0k+v6p2Pl8gRUABgMEpH\n axpmLZouQiz05mhQUsvls/oVRKZfYFU8af7eCoa3pX7VoF25NBoJq2zyz/PqsZMt\n VwsBGHcD4RidF+buWK7nBSWQECF2p5sKsGpfvH3l8mPZec2PhrsZYCc3CYbkHnli\n U+qPsyP9HTLSu49T/yBh0E0+I9HO6MvvQvVTGNM4dvfbpItZKT5QXVvn4CRhScgS\n dRPf9Z5CBL3VJh2aGSHXgw==", "X-Mailman-Original-Authentication-Results": [ "smtp2.osuosl.org;\n dmarc=pass (p=none dis=none)\n header.from=enjuk.jp", "smtp2.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=khPvm4sj" ], "Subject": "[Intel-wired-lan] [PATCH iwl-next v1 2/3] i40e: add support for\n bpf_xdp_metadata_rx_hash()", "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": "Introduce i40e_xdp_rx_hash() which takes the same approach as\ni40e_rx_hash() to extract the hash from RX descriptors.\n\nTested with X710 adapter using xdp_hw_metadata, and verified hash\nconsistency between bpf_xdp_metadata_rx_hash() and skb->hash.\n\nSigned-off-by: Kohei Enju <kohei@enjuk.jp>\n---\n drivers/net/ethernet/intel/i40e/i40e_main.c | 30 +++++++++++++++++++++\n drivers/net/ethernet/intel/i40e/i40e_type.h | 5 ++++\n 2 files changed, 35 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c\nindex 7966d9cb8009..6b7e34b16a8d 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_main.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c\n@@ -4,6 +4,7 @@\n #include <generated/utsrelease.h>\n #include <linux/crash_dump.h>\n #include <linux/intel/libie/pctype.h>\n+#include <linux/intel/libie/rx.h>\n #include <linux/if_bridge.h>\n #include <linux/if_macvlan.h>\n #include <linux/module.h>\n@@ -13585,6 +13586,34 @@ static int i40e_xdp(struct net_device *dev,\n \t}\n }\n \n+static int i40e_xdp_rx_hash(const struct xdp_md *_ctx, u32 *hash,\n+\t\t\t enum xdp_rss_hash_type *rss_type)\n+{\n+\tconst struct i40e_xdp_buff *ctx = (const void *)_ctx;\n+\tconst union i40e_rx_desc *desc = ctx->desc;\n+\tstruct libeth_rx_pt rx_ptype;\n+\tu8 raw_rx_ptype;\n+\tu64 status;\n+\n+\tstatus = le64_to_cpu(desc->wb.qword1.status_error_len);\n+\traw_rx_ptype = FIELD_GET(I40E_RXD_QW1_PTYPE_MASK, status);\n+\trx_ptype = libie_rx_pt_parse(raw_rx_ptype);\n+\n+\tif (!libeth_rx_pt_has_hash(ctx->xdp.rxq->dev, rx_ptype) ||\n+\t FIELD_GET(I40E_RX_DESC_STATUS_FLTSTAT_MASK, status) !=\n+\t\t I40E_RX_DESC_FLTSTAT_RSS_HASH)\n+\t\treturn -ENODATA;\n+\n+\t*hash = le32_to_cpu(desc->wb.qword0.hi_dword.rss);\n+\t*rss_type = rx_ptype.hash_type;\n+\n+\treturn 0;\n+}\n+\n+static const struct xdp_metadata_ops i40e_xdp_metadata_ops = {\n+\t.xmo_rx_hash\t\t= i40e_xdp_rx_hash,\n+};\n+\n static const struct net_device_ops i40e_netdev_ops = {\n \t.ndo_open\t\t= i40e_open,\n \t.ndo_stop\t\t= i40e_close,\n@@ -13788,6 +13817,7 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)\n \ti40e_vsi_config_netdev_tc(vsi, vsi->tc_config.enabled_tc);\n \n \tnetdev->netdev_ops = &i40e_netdev_ops;\n+\tnetdev->xdp_metadata_ops = &i40e_xdp_metadata_ops;\n \tnetdev->watchdog_timeo = 5 * HZ;\n \ti40e_set_ethtool_ops(netdev);\n \ndiff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h\nindex ed8bbdb586da..16a65c6e5153 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_type.h\n+++ b/drivers/net/ethernet/intel/i40e/i40e_type.h\n@@ -4,6 +4,7 @@\n #ifndef _I40E_TYPE_H_\n #define _I40E_TYPE_H_\n \n+#include <linux/bits.h>\n #include <uapi/linux/if_ether.h>\n #include \"i40e_adminq.h\"\n #include \"i40e_hmc.h\"\n@@ -699,6 +700,10 @@ enum i40e_rx_desc_status_bits {\n \tI40E_RX_DESC_STATUS_LAST /* this entry must be last!!! */\n };\n \n+#define I40E_RX_DESC_STATUS_FLTSTAT_MASK \\\n+\tGENMASK_ULL(I40E_RX_DESC_STATUS_FLTSTAT_SHIFT + 1, \\\n+\t\t I40E_RX_DESC_STATUS_FLTSTAT_SHIFT)\n+\n #define I40E_RXD_QW1_STATUS_SHIFT\t0\n #define I40E_RXD_QW1_STATUS_MASK\t((BIT(I40E_RX_DESC_STATUS_LAST) - 1) \\\n \t\t\t\t\t << I40E_RXD_QW1_STATUS_SHIFT)\n", "prefixes": [ "iwl-next", "v1", "2/3" ] }