diff options
| author | Ioana Ciornei <ioana.ciornei@nxp.com> | 2020-04-22 15:05:10 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-04-22 20:11:29 -0700 |
| commit | 48c0481e5ad1d1eec6ccfaee6bb8a030fbbd07f7 (patch) | |
| tree | f8d1f005a5cdfa40d0b15b796c2a22fba0291415 | |
| parent | 788f87ac608c518b74f338acb95f197cf6e3d0c4 (diff) | |
dpaa2-eth: return num_enqueued frames from enqueue callback
The enqueue dpaa2-eth callback now returns the number of successfully
enqueued frames. This is a preliminary patch necessary for adding
support for bulk ring mode enqueue.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 34 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | 5 |
2 files changed, 26 insertions, 13 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index b6c46639aa4c..7b41ece8f160 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* Copyright 2014-2016 Freescale Semiconductor Inc. - * Copyright 2016-2019 NXP + * Copyright 2016-2020 NXP */ #include <linux/init.h> #include <linux/module.h> @@ -268,7 +268,7 @@ static int xdp_enqueue(struct dpaa2_eth_priv *priv, struct dpaa2_fd *fd, fq = &priv->fq[queue_id]; for (i = 0; i < DPAA2_ETH_ENQUEUE_RETRIES; i++) { - err = priv->enqueue(priv, fq, fd, 0); + err = priv->enqueue(priv, fq, fd, 0, NULL); if (err != -EBUSY) break; } @@ -847,7 +847,7 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev) * the Tx confirmation callback for this frame */ for (i = 0; i < DPAA2_ETH_ENQUEUE_RETRIES; i++) { - err = priv->enqueue(priv, fq, &fd, prio); + err = priv->enqueue(priv, fq, &fd, prio, NULL); if (err != -EBUSY) break; } @@ -1937,7 +1937,7 @@ static int dpaa2_eth_xdp_xmit_frame(struct net_device *net_dev, fq = &priv->fq[smp_processor_id() % dpaa2_eth_queue_count(priv)]; for (i = 0; i < DPAA2_ETH_ENQUEUE_RETRIES; i++) { - err = priv->enqueue(priv, fq, &fd, 0); + err = priv->enqueue(priv, fq, &fd, 0, NULL); if (err != -EBUSY) break; } @@ -2523,19 +2523,31 @@ static int set_buffer_layout(struct dpaa2_eth_priv *priv) static inline int dpaa2_eth_enqueue_qd(struct dpaa2_eth_priv *priv, struct dpaa2_eth_fq *fq, - struct dpaa2_fd *fd, u8 prio) + struct dpaa2_fd *fd, u8 prio, + int *frames_enqueued) { - return dpaa2_io_service_enqueue_qd(fq->channel->dpio, - priv->tx_qdid, prio, - fq->tx_qdbin, fd); + int err; + + err = dpaa2_io_service_enqueue_qd(fq->channel->dpio, + priv->tx_qdid, prio, + fq->tx_qdbin, fd); + if (!err && frames_enqueued) + *frames_enqueued = 1; + return err; } static inline int dpaa2_eth_enqueue_fq(struct dpaa2_eth_priv *priv, struct dpaa2_eth_fq *fq, - struct dpaa2_fd *fd, u8 prio) + struct dpaa2_fd *fd, u8 prio, + int *frames_enqueued) { - return dpaa2_io_service_enqueue_fq(fq->channel->dpio, - fq->tx_fqid[prio], fd); + int err; + + err = dpaa2_io_service_enqueue_fq(fq->channel->dpio, + fq->tx_fqid[prio], fd); + if (!err && frames_enqueued) + *frames_enqueued = 1; + return err; } static void set_enqueue_mode(struct dpaa2_eth_priv *priv) diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h index 7635db3ef903..085ff750e4b5 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ /* Copyright 2014-2016 Freescale Semiconductor Inc. - * Copyright 2016 NXP + * Copyright 2016-2020 NXP */ #ifndef __DPAA2_ETH_H @@ -371,7 +371,8 @@ struct dpaa2_eth_priv { struct dpaa2_eth_fq fq[DPAA2_ETH_MAX_QUEUES]; int (*enqueue)(struct dpaa2_eth_priv *priv, struct dpaa2_eth_fq *fq, - struct dpaa2_fd *fd, u8 prio); + struct dpaa2_fd *fd, u8 prio, + int *frames_enqueued); u8 num_channels; struct dpaa2_eth_channel *channel[DPAA2_ETH_MAX_DPCONS]; |