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Suggested-by: Peter Maydell Signed-off-by: Philippe Mathieu-Daudé --- hw/net/lan9118.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/hw/net/lan9118.c b/hw/net/lan9118.c index 56cc52d450..3db6bae908 100644 --- a/hw/net/lan9118.c +++ b/hw/net/lan9118.c @@ -263,7 +263,7 @@ struct lan9118_state { int32_t rx_status_fifo_used; int32_t rx_status_fifo_head; uint32_t rx_status_fifo[RX_STATUS_FIFO_BYTES / 4]; - int32_t rx_fifo_size; + int32_t rx_fifo_wordcount; int32_t rx_fifo_used; int32_t rx_fifo_head; uint32_t rx_fifo[RX_DATA_FIFO_BYTES / 4]; @@ -335,7 +335,7 @@ static const VMStateDescription vmstate_lan9118 = { VMSTATE_UINT32_ARRAY(rx_status_fifo, lan9118_state, RX_STATUS_FIFO_BYTES / 4), VMSTATE_UNUSED(896 * 4 - RX_STATUS_FIFO_BYTES), - VMSTATE_INT32(rx_fifo_size, lan9118_state), + VMSTATE_INT32(rx_fifo_wordcount, lan9118_state), VMSTATE_INT32(rx_fifo_used, lan9118_state), VMSTATE_INT32(rx_fifo_head, lan9118_state), VMSTATE_UINT32_ARRAY(rx_fifo, lan9118_state, @@ -462,7 +462,7 @@ static void lan9118_reset(DeviceState *d) s->txp->fifo_used = 0; s->tx_fifo_bytes = TX_DATA_FIFO_BYTES; s->tx_status_fifo_used = 0; - s->rx_fifo_size = RX_DATA_FIFO_BYTES / 4; + s->rx_fifo_wordcount = RX_DATA_FIFO_BYTES / 4; s->rx_fifo_used = 0; s->rx_status_fifo_wordcount = RX_STATUS_FIFO_BYTES / 4; s->rx_status_fifo_used = 0; @@ -504,8 +504,9 @@ static void rx_fifo_push(lan9118_state *s, uint32_t val) { int fifo_pos; fifo_pos = s->rx_fifo_head + s->rx_fifo_used; - if (fifo_pos >= s->rx_fifo_size) - fifo_pos -= s->rx_fifo_size; + if (fifo_pos >= s->rx_fifo_wordcount) { + fifo_pos -= s->rx_fifo_wordcount; + } s->rx_fifo[fifo_pos] = val; s->rx_fifo_used++; } @@ -584,7 +585,7 @@ static ssize_t lan9118_receive(NetClientState *nc, const uint8_t *buf, fifo_len = (size + n + 3) >> 2; /* Add a word for the CRC. */ fifo_len++; - if (s->rx_fifo_size - s->rx_fifo_used < fifo_len) { + if (s->rx_fifo_wordcount - s->rx_fifo_used < fifo_len) { return -1; } @@ -672,8 +673,8 @@ static uint32_t rx_fifo_pop(lan9118_state *s) } else if (s->rxp_size > 0) { s->rxp_size--; val = s->rx_fifo[s->rx_fifo_head++]; - if (s->rx_fifo_head >= s->rx_fifo_size) { - s->rx_fifo_head -= s->rx_fifo_size; + if (s->rx_fifo_head >= s->rx_fifo_wordcount) { + s->rx_fifo_head -= s->rx_fifo_wordcount; } s->rx_fifo_used--; } else if (s->rxp_pad > 0) { @@ -1135,8 +1136,8 @@ static void lan9118_writel(void *opaque, hwaddr offset, s->rxp_offset = 0; } s->rx_fifo_head += s->rxp_size; - if (s->rx_fifo_head >= s->rx_fifo_size) { - s->rx_fifo_head -= s->rx_fifo_size; + if (s->rx_fifo_head >= s->rx_fifo_wordcount) { + s->rx_fifo_head -= s->rx_fifo_wordcount; } } break; -- 2.41.0