github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-01 19:13:47 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

net: stmmac: add helper to get size of a receive descriptor

Browse Source 
Add and use a helper to get the size of the hardware receive
descriptor.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1w1LW9-0000000DGS9-1mzX@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King (Oracle) 2026-03-14 09:42:45 +00:00 committed by Jakub Kicinski
parent ee1b6a94ba
commit 4f6280c450
1 changed files with 11 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -362,6 +362,14 @@ static inline u32 stmmac_tx_avail(struct stmmac_priv *priv, u32 queue)
priv->dma_conf.dma_tx_size);
}
static size_t stmmac_get_rx_desc_size(struct stmmac_priv *priv)
{
if (priv->extend_desc)
return sizeof(struct dma_extended_desc);
else
return sizeof(struct dma_desc);
}
static struct dma_desc *stmmac_get_rx_desc(struct stmmac_priv *priv,
struct stmmac_rx_queue *rx_q,
unsigned int index)
@ -1432,10 +1440,7 @@ static void stmmac_display_rx_rings(struct stmmac_priv *priv,
pr_info("\tRX Queue %u rings\n", queue);
head_rx = stmmac_get_rx_desc(priv, rx_q, 0);
if (priv->extend_desc)
desc_size = sizeof(struct dma_extended_desc);
else
desc_size = sizeof(struct dma_desc);
desc_size = stmmac_get_rx_desc_size(priv);
/* Display RX ring */
stmmac_display_ring(priv, head_rx, dma_conf->dma_rx_size, true,
@ -5436,11 +5441,7 @@ static int stmmac_rx_zc(struct stmmac_priv *priv, int limit, u32 queue)
void *rx_head = stmmac_get_rx_desc(priv, rx_q, 0);
netdev_dbg(priv->dev, "%s: descriptor ring:\n", __func__);
if (priv->extend_desc) {
desc_size = sizeof(struct dma_extended_desc);
} else {
desc_size = sizeof(struct dma_desc);
}
desc_size = stmmac_get_rx_desc_size(priv);
stmmac_display_ring(priv, rx_head, priv->dma_conf.dma_rx_size, true,
rx_q->dma_rx_phy, desc_size);
@ -5628,10 +5629,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
void *rx_head = stmmac_get_rx_desc(priv, rx_q, 0);
netdev_dbg(priv->dev, "%s: descriptor ring:\n", __func__);
if (priv->extend_desc)
desc_size = sizeof(struct dma_extended_desc);
else
desc_size = sizeof(struct dma_desc);
desc_size = stmmac_get_rx_desc_size(priv);
stmmac_display_ring(priv, rx_head, priv->dma_conf.dma_rx_size, true,
rx_q->dma_rx_phy, desc_size);