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Thu, 8 Aug 2024 07:20:37 +0000 (UTC) X-CSE-ConnectionGUID: 3XJv+d1MRva8h6wg8P+ZQA== X-CSE-MsgGUID: ADOtZ31ITZmk6mZxc19xmw== X-IronPort-AV: E=McAfee;i="6700,10204,11157"; a="21361373" X-IronPort-AV: E=Sophos;i="6.09,272,1716274800"; d="scan'208";a="21361373" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Aug 2024 00:20:37 -0700 X-CSE-ConnectionGUID: 4DV3NfKWTuaYiPKo9QHjfg== X-CSE-MsgGUID: UrMGCU2kQgekRARRK9FvzQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,272,1716274800"; d="scan'208";a="57073506" Received: from gk3153-dr2-r750-36946.igk.intel.com ([10.102.20.192]) by fmviesa008.fm.intel.com with ESMTP; 08 Aug 2024 00:20:34 -0700 From: Michal Swiatkowski To: intel-wired-lan@lists.osuosl.org Date: Thu, 8 Aug 2024 09:20:14 +0200 Message-ID: <20240808072016.10321-7-michal.swiatkowski@linux.intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240808072016.10321-1-michal.swiatkowski@linux.intel.com> References: <20240808072016.10321-1-michal.swiatkowski@linux.intel.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723101637; x=1754637637; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=WK8qdsTxDcmqkJblWSy4esjLmghvrfMZPQnaAtP1zd4=; b=VU/tyy5JJBE/cwyKdHKadJaeNcZEqH3cQvMT9CgEVveCsg3bU4KjTjPc VBk6DLrhQybXIm4kPMYLWb1pC2bze5lmuHJRMgv0PBm5JHxsIikTFB0/P wgqc8DmKu6CeZYi+S567PMQAzGFW5quWavp9DIKEronaE9M3T4uwSjhKM RcoMHSyEzylrVf/6JiPxEWMHH5FvGtOTNoMF773LbZ1R0MrkTEtWdiXWS 7deqqPHFi0UeJJvAtHjlXb4Q5HDogCrjVTrbkdhCq6Gj4qeH1AoANtfBm nlPrQMyNsR2vRKIG7r6o+mskw9q0mJk2ZZzLt6CM4HG6FbXgGAJlclXV4 g==; X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dmarc=none (p=none dis=none) header.from=linux.intel.com X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=VU/tyy5J Subject: [Intel-wired-lan] [iwl-next v3 6/8] ice: enable_rdma devlink param X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: wojciech.drewek@intel.com, marcin.szycik@intel.com, netdev@vger.kernel.org, konrad.knitter@intel.com, pawel.chmielewski@intel.com, nex.sw.ncis.nat.hpm.dev@intel.com, pio.raczynski@gmail.com, sridhar.samudrala@intel.com, jacob.e.keller@intel.com, jiri@resnulli.us, przemyslaw.kitszel@intel.com Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" Implement enable_rdma devlink parameter to allow user to turn RDMA feature on and off. It is useful when there is no enough interrupts and user doesn't need RDMA feature. Reviewed-by: Jan Sokolowski Reviewed-by: Przemek Kitszel Signed-off-by: Michal Swiatkowski --- .../net/ethernet/intel/ice/devlink/devlink.c | 19 +++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_lib.c | 8 +++++++- 2 files changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c index bdc22ea13e0f..530d443a8e14 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c @@ -1544,6 +1544,19 @@ ice_devlink_msix_min_pf_validate(struct devlink *devlink, u32 id, return 0; } +static int ice_devlink_enable_rdma_validate(struct devlink *devlink, u32 id, + union devlink_param_value val, + struct netlink_ext_ack *extack) +{ + struct ice_pf *pf = devlink_priv(devlink); + bool new_state = val.vbool; + + if (new_state && !test_bit(ICE_FLAG_RDMA_ENA, pf->flags)) + return -EOPNOTSUPP; + + return 0; +} + enum ice_param_id { ICE_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, ICE_DEVLINK_PARAM_ID_TX_SCHED_LAYERS, @@ -1559,6 +1572,8 @@ static const struct devlink_param ice_dvl_rdma_params[] = { ice_devlink_enable_iw_get, ice_devlink_enable_iw_set, ice_devlink_enable_iw_validate), + DEVLINK_PARAM_GENERIC(ENABLE_RDMA, BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), + NULL, NULL, ice_devlink_enable_rdma_validate), }; static const struct devlink_param ice_dvl_msix_params[] = { @@ -1700,6 +1715,10 @@ int ice_devlink_register_params(struct ice_pf *pf) devl_param_driverinit_value_set(devlink, DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, value); + value.vbool = test_bit(ICE_FLAG_RDMA_ENA, pf->flags); + devl_param_driverinit_value_set(devlink, + DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, + value); return 0; } diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index fcde08334880..93a7b875f8aa 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -834,7 +834,13 @@ bool ice_is_safe_mode(struct ice_pf *pf) */ bool ice_is_rdma_ena(struct ice_pf *pf) { - return test_bit(ICE_FLAG_RDMA_ENA, pf->flags); + union devlink_param_value value; + int err; + + err = devl_param_driverinit_value_get(priv_to_devlink(pf), + DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, + &value); + return err ? test_bit(ICE_FLAG_RDMA_ENA, pf->flags) : value.vbool; } /**