diff options
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index f339268da11a..02b03ee2e314 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2493,8 +2493,7 @@ static void cpsw_get_ringparam(struct net_device *ndev, /* not supported */ ering->tx_max_pending = 0; ering->tx_pending = cpdma_get_num_tx_descs(cpsw->dma); - /* Max 90% RX buffers */ - ering->rx_max_pending = (descs_pool_size * 9) / 10; + ering->rx_max_pending = descs_pool_size - CPSW_MAX_QUEUES; ering->rx_pending = cpdma_get_num_rx_descs(cpsw->dma); } @@ -2509,8 +2508,8 @@ static int cpsw_set_ringparam(struct net_device *ndev, /* ignore ering->tx_pending - only rx_pending adjustment is supported */ if (ering->rx_mini_pending || ering->rx_jumbo_pending || - ering->rx_pending < (descs_pool_size / 10) || - ering->rx_pending > ((descs_pool_size * 9) / 10)) + ering->rx_pending < CPSW_MAX_QUEUES || + ering->rx_pending > (descs_pool_size - CPSW_MAX_QUEUES)) return -EINVAL; if (ering->rx_pending == cpdma_get_num_rx_descs(cpsw->dma)) |
