From patchwork Wed Sep 9 08:44:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Allen Pais X-Patchwork-Id: 261285 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01CA2C43461 for ; Wed, 9 Sep 2020 08:46:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B836120758 for ; Wed, 9 Sep 2020 08:45:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tGIg/cIq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729785AbgIIIp7 (ORCPT ); Wed, 9 Sep 2020 04:45:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728936AbgIIIpp (ORCPT ); Wed, 9 Sep 2020 04:45:45 -0400 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB2B1C061755 for ; Wed, 9 Sep 2020 01:45:44 -0700 (PDT) Received: by mail-pf1-x443.google.com with SMTP id z19so1543894pfn.8 for ; Wed, 09 Sep 2020 01:45:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1YHBKbKXVonra1FrmypkxMUNqk0ty60Q+d3VYi9UEnM=; b=tGIg/cIqpu3HSMhRr1nP4af7ith9BHAX3tcQBgXguf0mnX2CLpB27PTXLcLXVGMWl6 /UE14Suilwt/8SkUS4UWlTVKaOdNIlR7pL/YVQdDlKI1JaUGsbRzG8/nkyN3ZA9aTJQz 6+1WBfo/mhzm8v6/cvewEVbKJ8ystDofIWCHMrfxvwCJjPoMbAfoFqR32qRyRgN/id0i weBBWwUjkIEfFsS1SEDnnir9SzTd9gHMuL8zcojq3v0g5o3Tsxipl/m41weEuvD4kINt f7MVUlTjftisre0LPC0GtvLzg+j9AFwt6ntfmKT5fIWRRwTWbDP/YdsprIUdnABJgS8Y 604Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=1YHBKbKXVonra1FrmypkxMUNqk0ty60Q+d3VYi9UEnM=; b=kEuqkJSyeEez5Xh7xAdgBl0RAFICajbdjQTJzPb4tCU/dgDMPNc4JVxj3u/q8faBV/ OA1Rli4Yr2KppW+jSF1Hpndoi6JECISVwaB5nyIpS8Wh8F5Z30JpDknpGUP81SJtjwn6 At9hMCzEm7Q8loCQGF1WXrujOXkLF9bgmM9JdB8IiI3NLOA31PIPljfF/3keyrx0Akwx sI4DccetIDPqg1LqTboYODr2Zvat3VwKndvh4/B+WcbacWlY2mr6dhsqeh45co2zhdWf WRuHmSnHSshxhlOz2cSLCjLZrHq0LFLG4mWx+No0/AFdS5YBg+r/SDZkB3fA1qSD0/+a eLRQ== X-Gm-Message-State: AOAM530dWoqQaO9xob487kOZG1UOLP8J2dIENjgXRgzskFLlgj85jeVA 5gPD9+Q/fEfjb73p6mR6dZg= X-Google-Smtp-Source: ABdhPJwcZT6Cj/HKRsrBZz986uJMJRUGsui7paZcVL9dtOkUQttPbc8YVTOrkiDQB+zM2IC1w0TK1g== X-Received: by 2002:a17:902:59d8:b029:d0:89f1:9e2d with SMTP id d24-20020a17090259d8b02900d089f19e2dmr3193368plj.9.1599641144501; Wed, 09 Sep 2020 01:45:44 -0700 (PDT) Received: from localhost.localdomain ([49.207.214.52]) by smtp.gmail.com with ESMTPSA id u21sm1468355pjn.27.2020.09.09.01.45.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Sep 2020 01:45:44 -0700 (PDT) From: Allen Pais To: davem@davemloft.net Cc: jes@trained-monkey.org, kuba@kernel.org, dougmill@linux.ibm.com, cooldavid@cooldavid.org, mlindner@marvell.com, stephen@networkplumber.org, borisp@mellanox.com, netdev@vger.kernel.org, Allen Pais , Romain Perier Subject: [PATCH v2 06/20] ethernet: chelsio: convert tasklets to use new tasklet_setup() API Date: Wed, 9 Sep 2020 14:14:56 +0530 Message-Id: <20200909084510.648706-7-allen.lkml@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200909084510.648706-1-allen.lkml@gmail.com> References: <20200909084510.648706-1-allen.lkml@gmail.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org In preparation for unconditionally passing the struct tasklet_struct pointer to all tasklet callbacks, switch to using the new tasklet_setup() and from_tasklet() to pass the tasklet pointer explicitly. Signed-off-by: Romain Perier Signed-off-by: Allen Pais --- drivers/net/ethernet/chelsio/cxgb/sge.c | 12 ++++++++---- drivers/net/ethernet/chelsio/cxgb3/sge.c | 18 ++++++++---------- drivers/net/ethernet/chelsio/cxgb4/sge.c | 16 ++++++++-------- 3 files changed, 24 insertions(+), 22 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb/sge.c b/drivers/net/ethernet/chelsio/cxgb/sge.c index 47b5c8e2104b..5f999187038c 100644 --- a/drivers/net/ethernet/chelsio/cxgb/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb/sge.c @@ -239,8 +239,10 @@ struct sched { unsigned int num; /* num skbs in per port queues */ struct sched_port p[MAX_NPORTS]; struct tasklet_struct sched_tsk;/* tasklet used to run scheduler */ + struct sge *sge; }; -static void restart_sched(unsigned long); + +static void restart_sched(struct tasklet_struct *t); /* @@ -378,7 +380,8 @@ static int tx_sched_init(struct sge *sge) return -ENOMEM; pr_debug("tx_sched_init\n"); - tasklet_init(&s->sched_tsk, restart_sched, (unsigned long) sge); + tasklet_setup(&s->sched_tsk, restart_sched); + s->sge = sge; sge->tx_sched = s; for (i = 0; i < MAX_NPORTS; i++) { @@ -1301,9 +1304,10 @@ static inline void reclaim_completed_tx(struct sge *sge, struct cmdQ *q) * Called from tasklet. Checks the scheduler for any * pending skbs that can be sent. */ -static void restart_sched(unsigned long arg) +static void restart_sched(struct tasklet_struct *t) { - struct sge *sge = (struct sge *) arg; + struct sched *s = from_tasklet(s, t, sched_tsk); + struct sge *sge = s->sge; struct adapter *adapter = sge->adapter; struct cmdQ *q = &sge->cmdQ[0]; struct sk_buff *skb; diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c index 6dabbf1502c7..4dadb04276d5 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c @@ -1516,14 +1516,14 @@ static int ctrl_xmit(struct adapter *adap, struct sge_txq *q, /** * restart_ctrlq - restart a suspended control queue - * @qs: the queue set cotaining the control queue + * @t: pointer to the tasklet associated with this handler * * Resumes transmission on a suspended Tx control queue. */ -static void restart_ctrlq(unsigned long data) +static void restart_ctrlq(struct tasklet_struct *t) { struct sk_buff *skb; - struct sge_qset *qs = (struct sge_qset *)data; + struct sge_qset *qs = from_tasklet(qs, t, txq[TXQ_CTRL].qresume_tsk); struct sge_txq *q = &qs->txq[TXQ_CTRL]; spin_lock(&q->lock); @@ -1733,14 +1733,14 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); /** * restart_offloadq - restart a suspended offload queue - * @qs: the queue set cotaining the offload queue + * @t: pointer to the tasklet associated with this handler * * Resumes transmission on a suspended Tx offload queue. */ -static void restart_offloadq(unsigned long data) +static void restart_offloadq(struct tasklet_struct *t) { struct sk_buff *skb; - struct sge_qset *qs = (struct sge_qset *)data; + struct sge_qset *qs = from_tasklet(qs, t, txq[TXQ_OFLD].qresume_tsk); struct sge_txq *q = &qs->txq[TXQ_OFLD]; const struct port_info *pi = netdev_priv(qs->netdev); struct adapter *adap = pi->adapter; @@ -3084,10 +3084,8 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports, skb_queue_head_init(&q->txq[i].sendq); } - tasklet_init(&q->txq[TXQ_OFLD].qresume_tsk, restart_offloadq, - (unsigned long)q); - tasklet_init(&q->txq[TXQ_CTRL].qresume_tsk, restart_ctrlq, - (unsigned long)q); + tasklet_setup(&q->txq[TXQ_OFLD].qresume_tsk, restart_offloadq); + tasklet_setup(&q->txq[TXQ_CTRL].qresume_tsk, restart_ctrlq); q->fl[0].gen = q->fl[1].gen = 1; q->fl[0].size = p->fl_size; diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 869431a1eedd..af4839e7c07e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -2660,15 +2660,15 @@ static int ctrl_xmit(struct sge_ctrl_txq *q, struct sk_buff *skb) /** * restart_ctrlq - restart a suspended control queue - * @data: the control queue to restart + * @t: pointer to the tasklet associated with this handler * * Resumes transmission on a suspended Tx control queue. */ -static void restart_ctrlq(unsigned long data) +static void restart_ctrlq(struct tasklet_struct *t) { struct sk_buff *skb; unsigned int written = 0; - struct sge_ctrl_txq *q = (struct sge_ctrl_txq *)data; + struct sge_ctrl_txq *q = from_tasklet(q, t, qresume_tsk); spin_lock(&q->sendq.lock); reclaim_completed_tx_imm(&q->q); @@ -2961,13 +2961,13 @@ static int ofld_xmit(struct sge_uld_txq *q, struct sk_buff *skb) /** * restart_ofldq - restart a suspended offload queue - * @data: the offload queue to restart + * @t: pointer to the tasklet associated with this handler * * Resumes transmission on a suspended Tx offload queue. */ -static void restart_ofldq(unsigned long data) +static void restart_ofldq(struct tasklet_struct *t) { - struct sge_uld_txq *q = (struct sge_uld_txq *)data; + struct sge_uld_txq *q = from_tasklet(q, t, qresume_tsk); spin_lock(&q->sendq.lock); q->full = 0; /* the queue actually is completely empty now */ @@ -4580,7 +4580,7 @@ int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq, init_txq(adap, &txq->q, FW_EQ_CTRL_CMD_EQID_G(ntohl(c.cmpliqid_eqid))); txq->adap = adap; skb_queue_head_init(&txq->sendq); - tasklet_init(&txq->qresume_tsk, restart_ctrlq, (unsigned long)txq); + tasklet_setup(&txq->qresume_tsk, restart_ctrlq); txq->full = 0; return 0; } @@ -4670,7 +4670,7 @@ int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq, txq->q.q_type = CXGB4_TXQ_ULD; txq->adap = adap; skb_queue_head_init(&txq->sendq); - tasklet_init(&txq->qresume_tsk, restart_ofldq, (unsigned long)txq); + tasklet_setup(&txq->qresume_tsk, restart_ofldq); txq->full = 0; txq->mapping_err = 0; return 0;