Consolidate next index calculation code into a helper function and
convert the code to make use of it.
Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
drivers/net/e1000/main.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/net/e1000/main.c b/drivers/net/e1000/main.c
index 90b6d6e43..01330f5a5 100644
--- a/drivers/net/e1000/main.c
+++ b/drivers/net/e1000/main.c
@@ -3198,6 +3198,11 @@ static int e1000_sw_init(struct eth_device *edev)
return E1000_SUCCESS;
}
+static int e1000_bd_next_index(int index)
+{
+ return (index + 1) % 8;
+}
+
static void e1000_fill_rx(struct e1000_hw *hw)
{
volatile struct e1000_rx_desc *rd = &hw->rx_base[hw->rx_tail];
@@ -3205,7 +3210,7 @@ static void e1000_fill_rx(struct e1000_hw *hw)
int i;
hw->rx_last = hw->rx_tail;
- hw->rx_tail = (hw->rx_tail + 1) % 8;
+ hw->rx_tail = e1000_bd_next_index(hw->rx_tail);
bla = (void *)rd;
for (i = 0; i < 4; i++)
@@ -3419,7 +3424,7 @@ static int e1000_transmit(struct eth_device *edev, void *txpacket, int length)
uint32_t stat;
int ret;
- hw->tx_tail = (hw->tx_tail + 1) % 8;
+ hw->tx_tail = e1000_bd_next_index(hw->tx_tail);
writel(hw->txd_cmd | length, &txp->lower.data);
writel(0, &txp->upper.data);
--
2.20.1
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