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drivers: net: ipq6018: Update edma recv and alloc

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This patch updates the edma eth_recv by disabling
the interrupts for txcmpl and rxfill. These interrupts
are again enabled as and when needed.

This patch also updates the alloc_rx_buffer next
pointer based on currently filled rx buffers.

Change-Id: I84aaba61132d683dc91e8e7156b3919570e4a0d1
Signed-off-by: speriaka <speriaka@codeaurora.org>
This commit is contained in:
speriaka 2019-07-29 14:18:03 +05:30 • committed by Gerrit - the friendly Code Review server
parent c19196d8b9
commit 3c59e36a25
1 changed files with 54 additions and 3 deletions
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57
drivers/net/ipq6018/ipq6018_edma.c
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@ -126,7 +126,7 @@ int ipq6018_edma_alloc_rx_buffer(struct ipq6018_edma_hw *ehw,
reg_data = ipq6018_edma_reg_read(IPQ6018_EDMA_REG_RXFILL_PROD_IDX(
rxfill_ring->id));
next = reg_data & IPQ6018_EDMA_RXFILL_PROD_IDX_MASK;
next = reg_data & IPQ6018_EDMA_RXFILL_PROD_IDX_MASK & (rxfill_ring->count - 1);
/*
* Read RXFILL ring consumer index
@ -564,9 +564,11 @@ static int ipq6018_eth_recv(struct eth_device *dev)
struct ipq6018_eth_dev *priv = dev->priv;
struct ipq6018_edma_common_info *c_info = priv->c_info;
struct ipq6018_edma_rxdesc_ring *rxdesc_ring;
struct ipq6018_edma_txcmpl_ring *txcmpl_ring;
struct ipq6018_edma_rxfill_ring *rxfill_ring;
struct ipq6018_edma_hw *ehw = &c_info->hw;
volatile u32 reg_data;
u32 rxdesc_intr_status = 0;
u32 rxdesc_intr_status = 0, txcmpl_intr_status = 0, rxfill_intr_status = 0;
int i;
/*
@ -589,7 +591,56 @@ static int ipq6018_eth_recv(struct eth_device *dev)
IPQ6018_EDMA_MASK_INT_DISABLE);
}
ipq6018_edma_rx_complete(c_info);
/*
* Read TxCmpl intr status
*/
for (i = 0; i < ehw->txcmpl_rings; i++) {
txcmpl_ring = &ehw->txcmpl_ring[i];
reg_data = ipq6018_edma_reg_read(
IPQ6018_EDMA_REG_TX_INT_STAT(
txcmpl_ring->id));
txcmpl_intr_status |= reg_data &
IPQ6018_EDMA_TXCMPL_RING_INT_STATUS_MASK;
/*
* Disable TxCmpl intr
*/
ipq6018_edma_reg_write(IPQ6018_EDMA_REG_TX_INT_MASK(
txcmpl_ring->id),
IPQ6018_EDMA_MASK_INT_DISABLE);
}
/*
* Read RxFill intr status
*/
for (i = 0; i < ehw->rxfill_rings; i++) {
rxfill_ring = &ehw->rxfill_ring[i];
reg_data = ipq6018_edma_reg_read(
IPQ6018_EDMA_REG_RXFILL_INT_STAT(
rxfill_ring->id));
rxfill_intr_status |= reg_data &
IPQ6018_EDMA_RXFILL_RING_INT_STATUS_MASK;
/*
* Disable RxFill intr
*/
ipq6018_edma_reg_write(IPQ6018_EDMA_REG_RXFILL_INT_MASK(
rxfill_ring->id),
IPQ6018_EDMA_MASK_INT_DISABLE);
}
if ((rxdesc_intr_status != 0) || (txcmpl_intr_status != 0) ||
(rxfill_intr_status != 0)) {
for (i = 0; i < ehw->rxdesc_rings; i++) {
rxdesc_ring = &ehw->rxdesc_ring[i];
ipq6018_edma_reg_write(IPQ6018_EDMA_REG_RXDESC_INT_MASK(
rxdesc_ring->id),
IPQ6018_EDMA_MASK_INT_DISABLE);
}
ipq6018_edma_rx_complete(c_info);
}
return 0;
}