Commit bf46b757 authored by Biju Das's avatar Biju Das Committed by David S. Miller
Browse files

ravb: Factorise ravb_ring_free function 



R-Car uses extended descriptor in RX, whereas RZ/G2L uses normal
descriptor. Factorise ravb_ring_free function so that it can
support later SoC.

Signed-off-by: default avatarBiju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: default avatarLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a69a3d09

drivers/net/ethernet/renesas/ravb.h

+1 −0
Original line number Diff line number Diff line
@@ -980,6 +980,7 @@ struct ravb_ptp { 
};



struct ravb_hw_info {

	void (*rx_ring_free)(struct net_device *ndev, int q);

	const char (*gstrings_stats)[ETH_GSTRING_LEN];

	size_t gstrings_size;

	netdev_features_t net_hw_features;

drivers/net/ethernet/renesas/ravb_main.c

+30 −17
Original line number Diff line number Diff line
@@ -216,15 +216,15 @@ static int ravb_tx_free(struct net_device *ndev, int q, bool free_txed_only) 
	return free_num;

}



/* Free skb's and DMA buffers for Ethernet AVB */

static void ravb_ring_free(struct net_device *ndev, int q)

static void ravb_rx_ring_free(struct net_device *ndev, int q)

{

	struct ravb_private *priv = netdev_priv(ndev);

	unsigned int num_tx_desc = priv->num_tx_desc;

	unsigned int ring_size;

	unsigned int i;



	if (priv->rx_ring[q]) {

	if (!priv->rx_ring[q])

		return;



	for (i = 0; i < priv->num_rx_ring[q]; i++) {

		struct ravb_ex_rx_desc *desc = &priv->rx_ring[q][i];
@@ -242,6 +242,17 @@ static void ravb_ring_free(struct net_device *ndev, int q) 
	priv->rx_ring[q] = NULL;

}



/* Free skb's and DMA buffers for Ethernet AVB */

static void ravb_ring_free(struct net_device *ndev, int q)

{

	struct ravb_private *priv = netdev_priv(ndev);

	const struct ravb_hw_info *info = priv->info;

	unsigned int num_tx_desc = priv->num_tx_desc;

	unsigned int ring_size;

	unsigned int i;



	info->rx_ring_free(ndev, q);



	if (priv->tx_ring[q]) {

		ravb_tx_free(ndev, q, false);
@@ -1937,6 +1948,7 @@ 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,

	.gstrings_stats = ravb_gstrings_stats,

	.gstrings_size = sizeof(ravb_gstrings_stats),

	.net_hw_features = NETIF_F_RXCSUM,
@@ -1950,6 +1962,7 @@ 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,

	.gstrings_stats = ravb_gstrings_stats,

	.gstrings_size = sizeof(ravb_gstrings_stats),

	.net_hw_features = NETIF_F_RXCSUM,