From: Yoshihiro Shimoda yoshihiro.shimoda.uh@renesas.com
[ Upstream commit 251eadcc640a0b5fd2767aaeb22a6f1ebf9b3c96 ]
To add a new ring which is really related to timestamp (ts_ring) in the future, rename the following members to improve readability:
ring --> tx_ring ts_ring --> rx_ring
Signed-off-by: Yoshihiro Shimoda yoshihiro.shimoda.uh@renesas.com Reviewed-by: Alexander Duyck alexanderduyck@fb.com Signed-off-by: Jakub Kicinski kuba@kernel.org Stable-dep-of: e05bb97d9c9d ("net: renesas: rswitch: Fix the output value of quote from rswitch_rx()") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/renesas/rswitch.c | 64 +++++++++++++------------- drivers/net/ethernet/renesas/rswitch.h | 4 +- 2 files changed, 34 insertions(+), 34 deletions(-)
diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c index 2370c7797a0aa..847b1f161fc66 100644 --- a/drivers/net/ethernet/renesas/rswitch.c +++ b/drivers/net/ethernet/renesas/rswitch.c @@ -241,7 +241,7 @@ static int rswitch_get_num_cur_queues(struct rswitch_gwca_queue *gq)
static bool rswitch_is_queue_rxed(struct rswitch_gwca_queue *gq) { - struct rswitch_ext_ts_desc *desc = &gq->ts_ring[gq->dirty]; + struct rswitch_ext_ts_desc *desc = &gq->rx_ring[gq->dirty];
if ((desc->desc.die_dt & DT_MASK) != DT_FEMPTY) return true; @@ -284,13 +284,13 @@ static void rswitch_gwca_queue_free(struct net_device *ndev, if (gq->gptp) { dma_free_coherent(ndev->dev.parent, sizeof(struct rswitch_ext_ts_desc) * - (gq->ring_size + 1), gq->ts_ring, gq->ring_dma); - gq->ts_ring = NULL; + (gq->ring_size + 1), gq->rx_ring, gq->ring_dma); + gq->rx_ring = NULL; } else { dma_free_coherent(ndev->dev.parent, sizeof(struct rswitch_ext_desc) * - (gq->ring_size + 1), gq->ring, gq->ring_dma); - gq->ring = NULL; + (gq->ring_size + 1), gq->tx_ring, gq->ring_dma); + gq->tx_ring = NULL; }
if (!gq->dir_tx) { @@ -322,14 +322,14 @@ static int rswitch_gwca_queue_alloc(struct net_device *ndev, rswitch_gwca_queue_alloc_skb(gq, 0, gq->ring_size);
if (gptp) - gq->ts_ring = dma_alloc_coherent(ndev->dev.parent, + gq->rx_ring = dma_alloc_coherent(ndev->dev.parent, sizeof(struct rswitch_ext_ts_desc) * (gq->ring_size + 1), &gq->ring_dma, GFP_KERNEL); else - gq->ring = dma_alloc_coherent(ndev->dev.parent, - sizeof(struct rswitch_ext_desc) * - (gq->ring_size + 1), &gq->ring_dma, GFP_KERNEL); - if (!gq->ts_ring && !gq->ring) + gq->tx_ring = dma_alloc_coherent(ndev->dev.parent, + sizeof(struct rswitch_ext_desc) * + (gq->ring_size + 1), &gq->ring_dma, GFP_KERNEL); + if (!gq->rx_ring && !gq->tx_ring) goto out;
i = gq->index / 32; @@ -362,14 +362,14 @@ static int rswitch_gwca_queue_format(struct net_device *ndev, struct rswitch_private *priv, struct rswitch_gwca_queue *gq) { - int tx_ring_size = sizeof(struct rswitch_ext_desc) * gq->ring_size; + int ring_size = sizeof(struct rswitch_ext_desc) * gq->ring_size; struct rswitch_ext_desc *desc; struct rswitch_desc *linkfix; dma_addr_t dma_addr; int i;
- memset(gq->ring, 0, tx_ring_size); - for (i = 0, desc = gq->ring; i < gq->ring_size; i++, desc++) { + memset(gq->tx_ring, 0, ring_size); + for (i = 0, desc = gq->tx_ring; i < gq->ring_size; i++, desc++) { if (!gq->dir_tx) { dma_addr = dma_map_single(ndev->dev.parent, gq->skbs[i]->data, PKT_BUF_SZ, @@ -398,7 +398,7 @@ static int rswitch_gwca_queue_format(struct net_device *ndev,
err: if (!gq->dir_tx) { - for (i--, desc = gq->ring; i >= 0; i--, desc++) { + for (i--, desc = gq->tx_ring; i >= 0; i--, desc++) { dma_addr = rswitch_desc_get_dptr(&desc->desc); dma_unmap_single(ndev->dev.parent, dma_addr, PKT_BUF_SZ, DMA_FROM_DEVICE); @@ -408,9 +408,9 @@ static int rswitch_gwca_queue_format(struct net_device *ndev, return -ENOMEM; }
-static int rswitch_gwca_queue_ts_fill(struct net_device *ndev, - struct rswitch_gwca_queue *gq, - int start_index, int num) +static int rswitch_gwca_queue_ext_ts_fill(struct net_device *ndev, + struct rswitch_gwca_queue *gq, + int start_index, int num) { struct rswitch_device *rdev = netdev_priv(ndev); struct rswitch_ext_ts_desc *desc; @@ -419,7 +419,7 @@ static int rswitch_gwca_queue_ts_fill(struct net_device *ndev,
for (i = 0; i < num; i++) { index = (i + start_index) % gq->ring_size; - desc = &gq->ts_ring[index]; + desc = &gq->rx_ring[index]; if (!gq->dir_tx) { dma_addr = dma_map_single(ndev->dev.parent, gq->skbs[index]->data, PKT_BUF_SZ, @@ -443,7 +443,7 @@ static int rswitch_gwca_queue_ts_fill(struct net_device *ndev, if (!gq->dir_tx) { for (i--; i >= 0; i--) { index = (i + start_index) % gq->ring_size; - desc = &gq->ts_ring[index]; + desc = &gq->rx_ring[index]; dma_addr = rswitch_desc_get_dptr(&desc->desc); dma_unmap_single(ndev->dev.parent, dma_addr, PKT_BUF_SZ, DMA_FROM_DEVICE); @@ -453,21 +453,21 @@ static int rswitch_gwca_queue_ts_fill(struct net_device *ndev, return -ENOMEM; }
-static int rswitch_gwca_queue_ts_format(struct net_device *ndev, - struct rswitch_private *priv, - struct rswitch_gwca_queue *gq) +static int rswitch_gwca_queue_ext_ts_format(struct net_device *ndev, + struct rswitch_private *priv, + struct rswitch_gwca_queue *gq) { - int tx_ts_ring_size = sizeof(struct rswitch_ext_ts_desc) * gq->ring_size; + int ring_size = sizeof(struct rswitch_ext_ts_desc) * gq->ring_size; struct rswitch_ext_ts_desc *desc; struct rswitch_desc *linkfix; int err;
- memset(gq->ts_ring, 0, tx_ts_ring_size); - err = rswitch_gwca_queue_ts_fill(ndev, gq, 0, gq->ring_size); + memset(gq->rx_ring, 0, ring_size); + err = rswitch_gwca_queue_ext_ts_fill(ndev, gq, 0, gq->ring_size); if (err < 0) return err;
- desc = &gq->ts_ring[gq->ring_size]; /* Last */ + desc = &gq->rx_ring[gq->ring_size]; /* Last */ rswitch_desc_set_dptr(&desc->desc, gq->ring_dma); desc->desc.die_dt = DT_LINKFIX;
@@ -595,7 +595,7 @@ static int rswitch_rxdmac_init(struct rswitch_private *priv, int index) struct rswitch_device *rdev = priv->rdev[index]; struct net_device *ndev = rdev->ndev;
- return rswitch_gwca_queue_ts_format(ndev, priv, rdev->rx_queue); + return rswitch_gwca_queue_ext_ts_format(ndev, priv, rdev->rx_queue); }
static int rswitch_gwca_hw_init(struct rswitch_private *priv) @@ -676,7 +676,7 @@ static bool rswitch_rx(struct net_device *ndev, int *quota) boguscnt = min_t(int, gq->ring_size, *quota); limit = boguscnt;
- desc = &gq->ts_ring[gq->cur]; + desc = &gq->rx_ring[gq->cur]; while ((desc->desc.die_dt & DT_MASK) != DT_FEMPTY) { if (--boguscnt < 0) break; @@ -704,14 +704,14 @@ static bool rswitch_rx(struct net_device *ndev, int *quota) rdev->ndev->stats.rx_bytes += pkt_len;
gq->cur = rswitch_next_queue_index(gq, true, 1); - desc = &gq->ts_ring[gq->cur]; + desc = &gq->rx_ring[gq->cur]; }
num = rswitch_get_num_cur_queues(gq); ret = rswitch_gwca_queue_alloc_skb(gq, gq->dirty, num); if (ret < 0) goto err; - ret = rswitch_gwca_queue_ts_fill(ndev, gq, gq->dirty, num); + ret = rswitch_gwca_queue_ext_ts_fill(ndev, gq, gq->dirty, num); if (ret < 0) goto err; gq->dirty = rswitch_next_queue_index(gq, false, num); @@ -738,7 +738,7 @@ static int rswitch_tx_free(struct net_device *ndev, bool free_txed_only)
for (; rswitch_get_num_cur_queues(gq) > 0; gq->dirty = rswitch_next_queue_index(gq, false, 1)) { - desc = &gq->ring[gq->dirty]; + desc = &gq->tx_ring[gq->dirty]; if (free_txed_only && (desc->desc.die_dt & DT_MASK) != DT_FEMPTY) break;
@@ -1416,7 +1416,7 @@ static netdev_tx_t rswitch_start_xmit(struct sk_buff *skb, struct net_device *nd }
gq->skbs[gq->cur] = skb; - desc = &gq->ring[gq->cur]; + desc = &gq->tx_ring[gq->cur]; rswitch_desc_set_dptr(&desc->desc, dma_addr); desc->desc.info_ds = cpu_to_le16(skb->len);
diff --git a/drivers/net/ethernet/renesas/rswitch.h b/drivers/net/ethernet/renesas/rswitch.h index 49efb0f31c77a..0584670abead5 100644 --- a/drivers/net/ethernet/renesas/rswitch.h +++ b/drivers/net/ethernet/renesas/rswitch.h @@ -915,8 +915,8 @@ struct rswitch_gwca_queue { bool dir_tx; bool gptp; union { - struct rswitch_ext_desc *ring; - struct rswitch_ext_ts_desc *ts_ring; + struct rswitch_ext_desc *tx_ring; + struct rswitch_ext_ts_desc *rx_ring; }; dma_addr_t ring_dma; int ring_size;