From patchwork Thu Oct 19 00:06:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nambiar, Amritha" X-Patchwork-Id: 13428135 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 422AC46661 for ; Wed, 18 Oct 2023 23:50:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="CApLBd6P" Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A485113 for ; Wed, 18 Oct 2023 16:50:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697673026; x=1729209026; h=subject:from:to:cc:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=w8HZYDgx6IDDsbxGTG61a7dzwTvgXZCE/xcl5jTj8fI=; b=CApLBd6PDfsEmL5TI0ev1JhAQ4MbC/wPcqtm3Xt6f2FpoXx1NSvOyyfh U4UptfPLsgG/GkRx9X0RI8LJ1hngBQ5I+52Td/8cL9uOd+TeawrHNhySk th/Qx5ARpeQcVi58LCahjI6o5T9THgv6l4wutOr1j/qMLFXKy3eFiviwx ipXvBicAyxilwqsknfwBDEAoQNMKZoEOkg8Ic0CTq4e7G1AmHJY+BYTE7 2h8HGri1AuPNtTOEw4Yc6iRdNfUmAtvJWXMKkRoq9jMmzihIURUvjHosG KmXhQm87QV5QVU0EEZ3XQ8iD6WIBHhpDvTWvuWBkhalSPgLeE94fNAyWC w==; X-IronPort-AV: E=McAfee;i="6600,9927,10867"; a="4733138" X-IronPort-AV: E=Sophos;i="6.03,236,1694761200"; d="scan'208";a="4733138" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Oct 2023 16:50:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.03,236,1694761200"; d="scan'208";a="4739504" Received: from anambiarhost.jf.intel.com ([10.166.29.163]) by fmviesa001.fm.intel.com with ESMTP; 18 Oct 2023 16:50:27 -0700 Subject: [net-next PATCH v5 03/10] ice: Add support in the driver for associating queue with napi From: Amritha Nambiar To: netdev@vger.kernel.org, kuba@kernel.org, pabeni@redhat.com Cc: sridhar.samudrala@intel.com, amritha.nambiar@intel.com Date: Wed, 18 Oct 2023 17:06:17 -0700 Message-ID: <169767397753.6692.15797121214738496388.stgit@anambiarhost.jf.intel.com> In-Reply-To: <169767295948.6692.18077536155633460138.stgit@anambiarhost.jf.intel.com> References: <169767295948.6692.18077536155633460138.stgit@anambiarhost.jf.intel.com> User-Agent: StGit/unknown-version Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org After the napi context is initialized, map the napi instance with the queue/queue-set on the corresponding irq line. Signed-off-by: Amritha Nambiar Reviewed-by: Sridhar Samudrala --- drivers/net/ethernet/intel/ice/ice_lib.c | 61 +++++++++++++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_lib.h | 4 ++ drivers/net/ethernet/intel/ice/ice_main.c | 4 +- 3 files changed, 68 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 1f45f0c3963d..97ca8f9f77a2 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -2448,6 +2448,10 @@ ice_vsi_cfg_def(struct ice_vsi *vsi, struct ice_vsi_cfg_params *params) goto unroll_vector_base; ice_vsi_map_rings_to_vectors(vsi); + + /* Associate q_vector rings to napi */ + ice_vsi_set_napi_queues(vsi, true); + vsi->stat_offsets_loaded = false; if (ice_is_xdp_ena_vsi(vsi)) { @@ -2927,6 +2931,63 @@ void ice_vsi_dis_irq(struct ice_vsi *vsi) synchronize_irq(vsi->q_vectors[i]->irq.virq); } +/** + * ice_queue_set_napi - Set the napi instance for the queue + * @queue_index: Index of queue + * @type: queue type as RX or TX + * @napi: NAPI context + * @locked: is the rtnl_lock already held + * + * Set the napi instance for the queue + */ +void ice_queue_set_napi(unsigned int queue_index, enum netdev_queue_type type, + struct napi_struct *napi, bool locked) +{ + if (locked) + __netif_queue_set_napi(queue_index, type, napi); + else + netif_queue_set_napi(queue_index, type, napi); +} + +/** + * ice_q_vector_set_napi_queues - Map queue[s] associated with the napi + * @q_vector: q_vector pointer + * @locked: is the rtnl_lock already held + * + * Associate the q_vector napi with all the queue[s] on the vector + */ +void ice_q_vector_set_napi_queues(struct ice_q_vector *q_vector, bool locked) +{ + struct ice_rx_ring *rx_ring; + struct ice_tx_ring *tx_ring; + + ice_for_each_rx_ring(rx_ring, q_vector->rx) + ice_queue_set_napi(rx_ring->q_index, NETDEV_QUEUE_TYPE_RX, + &q_vector->napi, locked); + + ice_for_each_tx_ring(tx_ring, q_vector->tx) + ice_queue_set_napi(tx_ring->q_index, NETDEV_QUEUE_TYPE_TX, + &q_vector->napi, locked); +} + +/** + * ice_vsi_set_napi_queues + * @vsi: VSI pointer + * @locked: is the rtnl_lock already held + * + * Associate queue[s] with napi for all vectors + */ +void ice_vsi_set_napi_queues(struct ice_vsi *vsi, bool locked) +{ + int i; + + if (!vsi->netdev) + return; + + ice_for_each_q_vector(vsi, i) + ice_q_vector_set_napi_queues(vsi->q_vectors[i], locked); +} + /** * ice_vsi_release - Delete a VSI and free its resources * @vsi: the VSI being removed diff --git a/drivers/net/ethernet/intel/ice/ice_lib.h b/drivers/net/ethernet/intel/ice/ice_lib.h index f24f5d1e6f9c..71bd27244941 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.h +++ b/drivers/net/ethernet/intel/ice/ice_lib.h @@ -91,6 +91,10 @@ void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc); struct ice_vsi * ice_vsi_setup(struct ice_pf *pf, struct ice_vsi_cfg_params *params); +void ice_q_vector_set_napi_queues(struct ice_q_vector *q_vector, bool locked); + +void ice_vsi_set_napi_queues(struct ice_vsi *vsi, bool locked); + int ice_vsi_release(struct ice_vsi *vsi); void ice_vsi_close(struct ice_vsi *vsi); diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 0dd7f23395b0..ae40550ba35c 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -3374,9 +3374,11 @@ static void ice_napi_add(struct ice_vsi *vsi) if (!vsi->netdev) return; - ice_for_each_q_vector(vsi, v_idx) + ice_for_each_q_vector(vsi, v_idx) { netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx]->napi, ice_napi_poll); + ice_q_vector_set_napi_queues(vsi->q_vectors[v_idx], false); + } } /**