Remove the OMR_PM flag and choose 16 perfect filtering mode since in modern networks there're plenty of multicasts and set ORM_PM flag will increase the dc2114x's workload and ask the U-Boot to handle packets not related to itself. And most of the time, U-Boot does not need this feature.
Signed-off-by: Hanyuan Zhao zhaohy22@mails.tsinghua.edu.cn --- drivers/net/dc2114x.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/net/dc2114x.c b/drivers/net/dc2114x.c index 11dea9b4d7..e1edda8e19 100644 --- a/drivers/net/dc2114x.c +++ b/drivers/net/dc2114x.c @@ -437,7 +437,16 @@ static int dc21x4x_init_common(struct dc2114x_priv *priv) return -1; }
- dc2114x_outl(priv, OMR_SDP | OMR_PS | OMR_PM, DE4X5_OMR); + /* 2024-07: + * Remove the OMR_PM flag and choose 16 perfect filtering mode since in + * modern networks there're plenty of multicasts and set ORM_PM flag will + * increase the dc2114x's workload and ask the U-Boot to handle packets + * not related to itself. And most of the time, U-Boot does not need this + * feature. + * + * A better way: let user to decide whether to have this flag. + */ + dc2114x_outl(priv, OMR_SDP | OMR_PS, DE4X5_OMR);
for (i = 0; i < NUM_RX_DESC; i++) { priv->rx_ring[i].status = cpu_to_le32(R_OWN);