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GET /api/1.1/patches/2221738/?format=api
{ "id": 2221738, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2221738/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260410074921.1254213-10-aleksandr.loktionov@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/1.1/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": "" }, "msgid": "<20260410074921.1254213-10-aleksandr.loktionov@intel.com>", "date": "2026-04-10T07:49:20", "name": "[iwl-next,9/10] ice: use inline helpers instead of memcmp() for IPv6 mask checks in ice_ethtool_fdir", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a6e049594b680fb0983340ad3d3ba6720495a9d2", "submitter": { "id": 75597, "url": "http://patchwork.ozlabs.org/api/1.1/people/75597/?format=api", "name": "Loktionov, Aleksandr", "email": "aleksandr.loktionov@intel.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260410074921.1254213-10-aleksandr.loktionov@intel.com/mbox/", "series": [ { "id": 499419, "url": "http://patchwork.ozlabs.org/api/1.1/series/499419/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=499419", "date": "2026-04-10T07:49:11", "name": "ice: misc cleanups and improvements", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499419/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2221738/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221738/checks/", "tags": {}, "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=JvdxamIR;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=140.211.166.136; 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envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp3.osuosl.org AB8CB60880", "OpenDKIM Filter v2.11.0 smtp1.osuosl.org 5B26C816EE" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1775807380;\n\tbh=Jwcl3Qdav8RvydIKl0s+Wt5lhJ2UrYGx01R1Tp4cJr0=;\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=JvdxamIRM2dRcGpMr/mL9X5IdoVQQfMtJK/lYKRLwIizjLYKU4oVUlxhsMdajtceB\n\t lAhFImxy+xPluV3tyGwOCBokoH80afXm3ZwGT6G4Od50mPvaiUe8lRd++M/ihejn7l\n\t av6TZmPGD7CCrWw1mGWTWwvqeqPxLYriDrhj34DisqitrMLbAt+s/H0Lz2oBy2F6La\n\t evYRpv++U/v87S34XSUkSM7m7TCDm/r2+rqoZ3O3tR0IYVV9YFXlogYdCT/GbIxc9o\n\t ruvub4VuExGjXDvcTK/HsGuoLAW99nA88RmLtO8KzOtQ+UoPUzfz6mTGeMmOnTsIkK\n\t acM10wOCf2FFg==", "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=198.175.65.16;\n helo=mgamail.intel.com; envelope-from=aleksandr.loktionov@intel.com;\n receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp1.osuosl.org 5B26C816EE", "X-CSE-ConnectionGUID": [ "maUm4tOgQOqq8wc4aVh2QA==", "zT8ceFmrThObprmwK0C0cg==" ], "X-CSE-MsgGUID": [ "8hR+Nq77SAq05rYLIuGeFQ==", "b+wSATUkTWCA7gjGbjtZlw==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11754\"; a=\"77007945\"", "E=Sophos;i=\"6.23,171,1770624000\"; d=\"scan'208\";a=\"77007945\"", "E=Sophos;i=\"6.23,171,1770624000\"; d=\"scan'208\";a=\"228941906\"" ], "X-ExtLoop1": "1", "From": "Aleksandr Loktionov <aleksandr.loktionov@intel.com>", "To": "intel-wired-lan@lists.osuosl.org, anthony.l.nguyen@intel.com,\n aleksandr.loktionov@intel.com", "Cc": "netdev@vger.kernel.org,\n\tLarysa Zaremba <larysa.zaremba@intel.com>", "Date": "Fri, 10 Apr 2026 09:49:20 +0200", "Message-ID": "<20260410074921.1254213-10-aleksandr.loktionov@intel.com>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260410074921.1254213-1-aleksandr.loktionov@intel.com>", "References": "<20260410074921.1254213-1-aleksandr.loktionov@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Mailman-Original-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1775807378; x=1807343378;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=/GsckPs+NdN9rChj/2Ywk80a8qYQmlKLwO31lOo/oAA=;\n b=GTbEJEHzMxvfC9iI0ml3AGy7t/6T6ycaZNp+yI/r1TVHch4mbMV8K1yP\n d1TQt3eAWhINmbV/MH29Ek3xadMWBpT5nDS4/WzBjS0QOJ9VPP1k8Ubm4\n Kf+V75ZzM0ymS6jf3u7PUb+S7OodvG86HqA+agBmxscZSnOLS3wo4Mtde\n nvFPHE3qSk7cLt5NaN1NCX2VHwMTjLLkQHLs+Z3KURAfUxiiOOZr9F5UT\n 16VQOKY73MiuJ6Y7mYGHYAbaoqRV/gCqDwbtGt3Z83XExPNN0aaKCE+54\n ZFo1sEBeO0Cbuav0sv125ezCjAIIKD20A/GgB06n2isk2n7y8dViUIsBp\n Q==;", "X-Mailman-Original-Authentication-Results": [ "smtp1.osuosl.org;\n dmarc=pass (p=none dis=none)\n header.from=intel.com", "smtp1.osuosl.org;\n dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com\n header.a=rsa-sha256 header.s=Intel header.b=GTbEJEHz" ], "Subject": "[Intel-wired-lan] [PATCH iwl-next 9/10] ice: use inline helpers\n instead of memcmp() for IPv6 mask checks in ice_ethtool_fdir", "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": "Replace static full_ipv6_addr_mask / zero_ipv6_addr_mask structs\nand the associated memcmp() calls in ice_ethtool_fdir.c with the\nkernel-provided ipv6_addr_any() helper and a new ice_ipv6_mask_full()\ninline, reducing boilerplate and making intent clearer.\n\nSuggested-by: Larysa Zaremba <larysa.zaremba@intel.com>\nSigned-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>\n---\n .../net/ethernet/intel/ice/ice_ethtool_fdir.c | 57 ++++++-------------\n 1 file changed, 16 insertions(+), 41 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c\nindex aceec18..1d7c595 100644\n--- a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c\n+++ b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c\n@@ -8,23 +8,10 @@\n #include \"ice_fdir.h\"\n #include \"ice_flow.h\"\n \n-static struct in6_addr full_ipv6_addr_mask = {\n-\t.in6_u = {\n-\t\t.u6_addr8 = {\n-\t\t\t0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,\n-\t\t\t0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,\n-\t\t}\n-\t}\n-};\n-\n-static struct in6_addr zero_ipv6_addr_mask = {\n-\t.in6_u = {\n-\t\t.u6_addr8 = {\n-\t\t\t0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\n-\t\t\t0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\n-\t\t}\n-\t}\n-};\n+static bool ice_ipv6_mask_full(const __be32 *a)\n+{\n+\treturn (a[0] & a[1] & a[2] & a[3]) == cpu_to_be32(0xffffffff);\n+}\n \n /* calls to ice_flow_add_prof require the number of segments in the array\n * for segs_cnt. In this code that is one more than the index.\n@@ -1070,10 +1057,8 @@ ice_set_fdir_ip6_seg(struct ice_flow_seg_info *seg,\n \tenum ice_flow_field src_port, dst_port;\n \n \t/* make sure we don't have any empty rule */\n-\tif (!memcmp(tcp_ip6_spec->ip6src, &zero_ipv6_addr_mask,\n-\t\t sizeof(struct in6_addr)) &&\n-\t !memcmp(tcp_ip6_spec->ip6dst, &zero_ipv6_addr_mask,\n-\t\t sizeof(struct in6_addr)) &&\n+\tif (ipv6_addr_any((struct in6_addr *)tcp_ip6_spec->ip6src) &&\n+\t ipv6_addr_any((struct in6_addr *)tcp_ip6_spec->ip6dst) &&\n \t !tcp_ip6_spec->psrc && !tcp_ip6_spec->pdst)\n \t\treturn -EINVAL;\n \n@@ -1097,24 +1082,20 @@ ice_set_fdir_ip6_seg(struct ice_flow_seg_info *seg,\n \t*perfect_fltr = true;\n \tICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV6 | l4_proto);\n \n-\tif (!memcmp(tcp_ip6_spec->ip6src, &full_ipv6_addr_mask,\n-\t\t sizeof(struct in6_addr)))\n+\tif (ice_ipv6_mask_full(tcp_ip6_spec->ip6src))\n \t\tice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV6_SA,\n \t\t\t\t ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,\n \t\t\t\t ICE_FLOW_FLD_OFF_INVAL, false);\n-\telse if (!memcmp(tcp_ip6_spec->ip6src, &zero_ipv6_addr_mask,\n-\t\t\t sizeof(struct in6_addr)))\n+\telse if (ipv6_addr_any((struct in6_addr *)tcp_ip6_spec->ip6src))\n \t\t*perfect_fltr = false;\n \telse\n \t\treturn -EOPNOTSUPP;\n \n-\tif (!memcmp(tcp_ip6_spec->ip6dst, &full_ipv6_addr_mask,\n-\t\t sizeof(struct in6_addr)))\n+\tif (ice_ipv6_mask_full(tcp_ip6_spec->ip6dst))\n \t\tice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV6_DA,\n \t\t\t\t ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,\n \t\t\t\t ICE_FLOW_FLD_OFF_INVAL, false);\n-\telse if (!memcmp(tcp_ip6_spec->ip6dst, &zero_ipv6_addr_mask,\n-\t\t\t sizeof(struct in6_addr)))\n+\telse if (ipv6_addr_any((struct in6_addr *)tcp_ip6_spec->ip6dst))\n \t\t*perfect_fltr = false;\n \telse\n \t\treturn -EOPNOTSUPP;\n@@ -1167,33 +1148,27 @@ ice_set_fdir_ip6_usr_seg(struct ice_flow_seg_info *seg,\n \tif (usr_ip6_spec->l4_proto)\n \t\treturn -EOPNOTSUPP;\n \t/* empty rules are not valid */\n-\tif (!memcmp(usr_ip6_spec->ip6src, &zero_ipv6_addr_mask,\n-\t\t sizeof(struct in6_addr)) &&\n-\t !memcmp(usr_ip6_spec->ip6dst, &zero_ipv6_addr_mask,\n-\t\t sizeof(struct in6_addr)))\n+\tif (ipv6_addr_any((struct in6_addr *)usr_ip6_spec->ip6src) &&\n+\t ipv6_addr_any((struct in6_addr *)usr_ip6_spec->ip6dst))\n \t\treturn -EINVAL;\n \n \t*perfect_fltr = true;\n \tICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV6);\n \n-\tif (!memcmp(usr_ip6_spec->ip6src, &full_ipv6_addr_mask,\n-\t\t sizeof(struct in6_addr)))\n+\tif (ice_ipv6_mask_full(usr_ip6_spec->ip6src))\n \t\tice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV6_SA,\n \t\t\t\t ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,\n \t\t\t\t ICE_FLOW_FLD_OFF_INVAL, false);\n-\telse if (!memcmp(usr_ip6_spec->ip6src, &zero_ipv6_addr_mask,\n-\t\t\t sizeof(struct in6_addr)))\n+\telse if (ipv6_addr_any((struct in6_addr *)usr_ip6_spec->ip6src))\n \t\t*perfect_fltr = false;\n \telse\n \t\treturn -EOPNOTSUPP;\n \n-\tif (!memcmp(usr_ip6_spec->ip6dst, &full_ipv6_addr_mask,\n-\t\t sizeof(struct in6_addr)))\n+\tif (ice_ipv6_mask_full(usr_ip6_spec->ip6dst))\n \t\tice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV6_DA,\n \t\t\t\t ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,\n \t\t\t\t ICE_FLOW_FLD_OFF_INVAL, false);\n-\telse if (!memcmp(usr_ip6_spec->ip6dst, &zero_ipv6_addr_mask,\n-\t\t\t sizeof(struct in6_addr)))\n+\telse if (ipv6_addr_any((struct in6_addr *)usr_ip6_spec->ip6dst))\n \t\t*perfect_fltr = false;\n \telse\n \t\treturn -EOPNOTSUPP;\n", "prefixes": [ "iwl-next", "9/10" ] }