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Message-Id: <20200914072939.803280-7-allen.lkml@gmail.com>
Date: Mon, 14 Sep 2020 12:59:25 +0530
From: Allen Pais <allen.lkml@...il.com>
To: davem@...emloft.net
Cc: jes@...ined-monkey.org, kuba@...nel.org, dougmill@...ux.ibm.com,
cooldavid@...ldavid.org, mlindner@...vell.com,
stephen@...workplumber.org, borisp@...lanox.com,
netdev@...r.kernel.org, Allen Pais <apais@...ux.microsoft.com>,
Romain Perier <romain.perier@...il.com>
Subject: [net-next v3 06/20] chelsio: convert tasklets to use new tasklet_setup() API
From: Allen Pais <apais@...ux.microsoft.com>
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 <romain.perier@...il.com>
Signed-off-by: Allen Pais <apais@...ux.microsoft.com>
---
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;
--
2.25.1
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