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ravb: Fillup ravb_alloc_rx_desc_gbeth() stub

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Fillup ravb_alloc_rx_desc_gbeth() function to support RZ/G2L.

This patch also renames ravb_alloc_rx_desc to ravb_alloc_rx_desc_rcar
to be consistent with the naming convention used in sh_eth driver.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Biju Das 2021-10-12 17:36:02 +01:00 committed by Jakub Kicinski
parent 2e95e08ac0
commit 3d4e37df88
2 changed files with 24 additions and 7 deletions
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1
drivers/net/ethernet/renesas/ravb.h
View File

@ -1038,6 +1038,7 @@ struct ravb_private {
struct ravb_desc *desc_bat;
dma_addr_t rx_desc_dma[NUM_RX_QUEUE];
dma_addr_t tx_desc_dma[NUM_TX_QUEUE];
struct ravb_rx_desc *gbeth_rx_ring;
struct ravb_ex_rx_desc *rx_ring[NUM_RX_QUEUE];
struct ravb_tx_desc *tx_ring[NUM_TX_QUEUE];
void *tx_align[NUM_TX_QUEUE];

30
drivers/net/ethernet/renesas/ravb_main.c
View File

@ -385,11 +385,18 @@ static void ravb_ring_format(struct net_device *ndev, int q)
static void *ravb_alloc_rx_desc_gbeth(struct net_device *ndev, int q)
{
/* Place holder */
return NULL;
struct ravb_private *priv = netdev_priv(ndev);
unsigned int ring_size;
ring_size = sizeof(struct ravb_rx_desc) * (priv->num_rx_ring[q] + 1);
priv->gbeth_rx_ring = dma_alloc_coherent(ndev->dev.parent, ring_size,
&priv->rx_desc_dma[q],
GFP_KERNEL);
return priv->gbeth_rx_ring;
}
static void *ravb_alloc_rx_desc(struct net_device *ndev, int q)
static void *ravb_alloc_rx_desc_rcar(struct net_device *ndev, int q)
{
struct ravb_private *priv = netdev_priv(ndev);
unsigned int ring_size;
@ -1084,16 +1091,25 @@ static int ravb_poll(struct napi_struct *napi, int budget)
struct net_device *ndev = napi->dev;
struct ravb_private *priv = netdev_priv(ndev);
const struct ravb_hw_info *info = priv->info;
bool gptp = info->gptp || info->ccc_gac;
struct ravb_rx_desc *desc;
unsigned long flags;
int q = napi - priv->napi;
int mask = BIT(q);
int quota = budget;
unsigned int entry;
if (!gptp) {
entry = priv->cur_rx[q] % priv->num_rx_ring[q];
desc = &priv->gbeth_rx_ring[entry];
}
/* Processing RX Descriptor Ring */
/* Clear RX interrupt */
ravb_write(ndev, ~(mask | RIS0_RESERVED), RIS0);
if (ravb_rx(ndev, &quota, q))
goto out;
if (gptp || desc->die_dt != DT_FEMPTY) {
if (ravb_rx(ndev, &quota, q))
goto out;
}
/* Processing TX Descriptor Ring */
spin_lock_irqsave(&priv->lock, flags);
@ -2175,7 +2191,7 @@ static int ravb_mdio_release(struct ravb_private *priv)
static const struct ravb_hw_info ravb_gen3_hw_info = {
.rx_ring_free = ravb_rx_ring_free,
.rx_ring_format = ravb_rx_ring_format,
.alloc_rx_desc = ravb_alloc_rx_desc,
.alloc_rx_desc = ravb_alloc_rx_desc_rcar,
.receive = ravb_rcar_rx,
.set_rate = ravb_set_rate_rcar,
.set_feature = ravb_set_features_rcar,
@ -2200,7 +2216,7 @@ static const struct ravb_hw_info ravb_gen3_hw_info = {
static const struct ravb_hw_info ravb_gen2_hw_info = {
.rx_ring_free = ravb_rx_ring_free,
.rx_ring_format = ravb_rx_ring_format,
.alloc_rx_desc = ravb_alloc_rx_desc,
.alloc_rx_desc = ravb_alloc_rx_desc_rcar,
.receive = ravb_rcar_rx,
.set_rate = ravb_set_rate_rcar,
.set_feature = ravb_set_features_rcar,