From patchwork Sat Dec 18 23:54:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Mosberger-Tang X-Patchwork-Id: 526861 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08390C433EF for ; Sat, 18 Dec 2021 23:54:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234990AbhLRXyS (ORCPT ); Sat, 18 Dec 2021 18:54:18 -0500 Received: from o1.ptr2625.egauge.net ([167.89.112.53]:25232 "EHLO o1.ptr2625.egauge.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232959AbhLRXyR (ORCPT ); Sat, 18 Dec 2021 18:54:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=egauge.net; h=from:subject:mime-version:to:cc:content-transfer-encoding: content-type; s=sgd; bh=wzP9DgYMpXKgYWsfuD1dK/4zmX3SgTAGErInexoo/KQ=; b=gDPysHXYB/iATmWtUO1Ybe9qnHorO8Mpvalz5DHQBs8vb/+sCcgwIUw5xfITPmcfAFT2 J2z9y6k1Y6qeahSmmU7jXfPd+338+8ZTP79cXhV7GrbxD9Ei+HwYZ1ePnsJHO0WjDNwJJc 7XEt2yswC09ewvicROZtZ68GdPMMckOMpRgg8vwNp7bLgsTFZSpTtqDDqrk88dq9xwZMsK GgI4/TzckUxdwlC12ICjNWeuvXJdr27JGzmTbhD1aA/SQve585Bsja7uPSFqJZ3dTx8X3P 8bKDNFev5vLD8Nm0aplNR8lDMZddhkuLGucgbPjDa6BGDyMYRZ1oekTLtAx83pfw== Received: by filterdrecv-64fcb979b9-x2652 with SMTP id filterdrecv-64fcb979b9-x2652-1-61BE74A8-19 2021-12-18 23:54:16.475973623 +0000 UTC m=+8294249.160301187 Received: from pearl.egauge.net (unknown) by geopod-ismtpd-4-1 (SG) with ESMTP id r_NccQJDT_mpwXRgch3XiA Sat, 18 Dec 2021 23:54:16.296 +0000 (UTC) Received: by pearl.egauge.net (Postfix, from userid 1000) id 825627003AE; Sat, 18 Dec 2021 16:54:15 -0700 (MST) From: David Mosberger-Tang Subject: [PATCH 00/23] wilc1000: rework tx path to use sk_buffs throughout Date: Sat, 18 Dec 2021 23:54:16 +0000 (UTC) Message-Id: <20211218235404.3963475-1-davidm@egauge.net> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-SG-EID: +kMxBqj35EdRUKoy8diX1j4AXmPtd302oan+iXZuF8m2Nw4HRW2irNspffT/khET6RJF6+Prbl0h/EtF1rRLvOFHE9PCYzQvZsVwdWSSZ+IiAKcuygXdhofy425Aqh2rrAOH9u05cT8wbhPNda82cAwYGzOSH4wb8/QsvubpKoLyM5U18UKPWlpzw6XnHoepA8/H/GjkRWQWDbDieWCUVdVgMwkTr4Q6aQWarCWf5uXOTNff4zfw0ELnU+HoUxDuY5DR7hLAZnZ88bXEu6Zj6Q== To: Ajay Singh Cc: Claudiu Beznea , Kalle Valo , "David S. Miller" , Jakub Kicinski , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, David Mosberger-Tang X-Entity-ID: Xg4JGAcGrJFIz2kDG9eoaQ== Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Based on the earlier discussion (RFC: wilc1000: refactor TX path to use sk_buff queue), here is the full patch series to clean up and simplify the TX path. The biggest patch is 0016, which is the one actually switching the queue data type, but I worked hard to minimize it to only direct changes due to the type changes. There is no significant performance difference due to this patch. I'd expect the new code to be slightly faster, but my WLAN test-environment is not sufficiently controlled to be sure of that. original iperf3 performance (duration 120 seconds): TX [Mbps] RX [Mbps] PSM off: 14.8 18.9 PSM on: 10.5 17.1 iperf3 performance with this patch-series applied: TX [Mbps] RX [Mbps] PSM off: 15.6 19.5 PSM on: 11.2 17.7 (PSM == power-save-mode; controlled by iw dev wlan0 set power_save on/off) David Mosberger-Tang (23): wilc1000: don't hold txq_spinlock while initializing AC queue limits wilc1000: switch txq_event from completion to waitqueue wilc1000: move receive-queue stats from txq to wilc structure wilc1000: factor common code in wilc_wlan_cfg_set() and wilc_wlan_cfg_get() wilc1000: add wilc_wlan_tx_packet_done() function wilc1000: move tx packet drop code into its own function wilc1000: increment tx_dropped stat counter on tx packet drop wilc1000: fix management packet type inconsistency wilc1000: prepare wilc_wlan_tx_packet_done() for sk_buff changes wilc1000: factor initialization of tx queue-specific packet fields wilc1000: convert tqx_entries from "int" to "atomic_t" wilc1000: refactor wilc_wlan_cfg_commit() a bit wilc1000: sanitize config packet sequence number management a bit wilc1000: if there is no tx packet, don't increment packets-sent counter wilc1000: Add struct wilc_skb_tx_cb as an alias of struct txq_entry_t wilc1000: switch tx queue to normal sk_buff entries wilc1000: remove no longer used "vif" argument from init_txq_entry() wilc1000: split huge tx handler into subfunctions wilc1000: don't tell the chip to go to sleep while copying tx packets wilc1000: eliminate "max_size_over" variable in fill_vmm_table wilc1000: declare read-only ac_preserve_ratio as static and const wilc1000: minor syntax cleanup wilc1000: introduce symbolic names for two tx-related control bits .../wireless/microchip/wilc1000/cfg80211.c | 37 +- drivers/net/wireless/microchip/wilc1000/mon.c | 36 +- .../net/wireless/microchip/wilc1000/netdev.c | 40 +- .../net/wireless/microchip/wilc1000/netdev.h | 13 +- .../net/wireless/microchip/wilc1000/wlan.c | 755 +++++++++--------- .../net/wireless/microchip/wilc1000/wlan.h | 52 +- 6 files changed, 442 insertions(+), 491 deletions(-)