{"id":2224234,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2224234/?format=json","web_url":"http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260417062954.1241900-4-aleksandr.loktionov@intel.com/","project":{"id":46,"url":"http://patchwork.ozlabs.org/api/1.2/projects/46/?format=json","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":"<20260417062954.1241900-4-aleksandr.loktionov@intel.com>","list_archive_url":null,"date":"2026-04-17T06:29:53","name":"[iwl-net,3/4] ice: support RDMA on 4+-port E830 devices","commit_ref":null,"pull_url":null,"state":"under-review","archived":false,"hash":"d01cb3aa87a1b9c3fe64e15bda5796c4249116b2","submitter":{"id":75597,"url":"http://patchwork.ozlabs.org/api/1.2/people/75597/?format=json","name":"Loktionov, Aleksandr","email":"aleksandr.loktionov@intel.com"},"delegate":{"id":109701,"url":"http://patchwork.ozlabs.org/api/1.2/users/109701/?format=json","username":"anguy11","first_name":"Anthony","last_name":"Nguyen","email":"anthony.l.nguyen@intel.com"},"mbox":"http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260417062954.1241900-4-aleksandr.loktionov@intel.com/mbox/","series":[{"id":500242,"url":"http://patchwork.ozlabs.org/api/1.2/series/500242/?format=json","web_url":"http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=500242","date":"2026-04-17T06:29:50","name":"ice: fixes for pause reporting, autoneg, RDMA and EIPE","version":1,"mbox":"http://patchwork.ozlabs.org/series/500242/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2224234/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2224234/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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=B5AIhJjJ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=2605:bc80:3010::138; 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a=\"94987405\"","E=Sophos;i=\"6.23,183,1770624000\"; d=\"scan'208\";a=\"94987405\"","E=Sophos;i=\"6.23,183,1770624000\"; d=\"scan'208\";a=\"235329575\""],"X-ExtLoop1":"1","From":"Aleksandr Loktionov ","To":"intel-wired-lan@lists.osuosl.org, anthony.l.nguyen@intel.com,\n aleksandr.loktionov@intel.com","Cc":"netdev@vger.kernel.org,\n\tLukasz Czapnik ","Date":"Fri, 17 Apr 2026 08:29:53 +0200","Message-ID":"<20260417062954.1241900-4-aleksandr.loktionov@intel.com>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20260417062954.1241900-1-aleksandr.loktionov@intel.com>","References":"<20260417062954.1241900-1-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=1776407402; x=1807943402;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=7L6VA3PZUKux3AxTYEpm8UYEmpwXMNVpW+4meJHVd6M=;\n b=FNcr1uSXoIUZmfMSaf28RHEIuPp7hz7mEE3qhro+Q+0PiiPp+5iwhz2D\n 1j59ykuSZQIXKI0+1TL8jRg5ApJL8z0aqogqnUAXghD2Y3dT0Twgp2BUj\n 0QPRIRv+HLCaN64VB1tf2TnloLFOM6q3MHeEnd2IdsoSY53dBRVNzpqlz\n gnLld1fSMwXP3NexaaHY2c6m2StagUmSPwqL724NzFJQRQ87Hewq77oSy\n 10kpkojK1nen2/mV8U4AWaO1w80N8AVX8FuGeFOg7GBKtzmEkVTiNpaj0\n Rpnxfhd8LCLn6jROcmZWzXGPGRyuBGctGRajGQFdULiyDnUW7eik1E1Sq\n A==;","X-Mailman-Original-Authentication-Results":["smtp2.osuosl.org;\n dmarc=pass (p=none dis=none)\n header.from=intel.com","smtp2.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=FNcr1uSX"],"Subject":"[Intel-wired-lan] [PATCH iwl-net 3/4] ice: support RDMA on 4+-port\n E830 devices","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 ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"intel-wired-lan-bounces@osuosl.org","Sender":"\"Intel-wired-lan\" "},"content":"From: Lukasz Czapnik \n\nE810 and E82X devices do not support RDMA on configurations with more\nthan 4 ports. This limitation does not apply to E830 devices, which\nhave a different hardware design and support RDMA regardless of the\nport count.\n\nNarrow the RDMA capability disable condition to skip E830 devices.\n\nFixes: ba1124f58afd (\"ice: Add E830 device IDs, MAC type and registers\")\nSigned-off-by: Lukasz Czapnik \nSigned-off-by: Aleksandr Loktionov \n---\n drivers/net/ethernet/intel/ice/ice_common.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)\n\n--\n2.52.0","diff":"diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c\nindex ce11fea..0e40011 100644\n--- a/drivers/net/ethernet/intel/ice/ice_common.c\n+++ b/drivers/net/ethernet/intel/ice/ice_common.c\n@@ -2509,7 +2509,7 @@ ice_recalc_port_limited_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps)\n \t\tcaps->maxtc = 4;\n \t\tice_debug(hw, ICE_DBG_INIT, \"reducing maxtc to %d (based on #ports)\\n\",\n \t\t\t caps->maxtc);\n-\t\tif (caps->rdma) {\n+\t\tif (caps->rdma && hw->mac_type != ICE_MAC_E830) {\n \t\t\tice_debug(hw, ICE_DBG_INIT, \"forcing RDMA off\\n\");\n \t\t\tcaps->rdma = 0;\n \t\t}\n","prefixes":["iwl-net","3/4"]}