@@ -1010,6 +1010,7 @@ struct ravb_hw_info {
int stats_len;
size_t max_rx_len;
u32 tsrq;
+ u32 rx_max_buf_size;
unsigned aligned_tx: 1;
/* hardware features */
@@ -2186,6 +2186,7 @@ static const struct ravb_hw_info ravb_gen3_hw_info = {
.stats_len = ARRAY_SIZE(ravb_gstrings_stats),
.max_rx_len = RX_BUF_SZ + RAVB_ALIGN - 1,
.tsrq = TCCR_TSRQ0 | TCCR_TSRQ1 | TCCR_TSRQ2 | TCCR_TSRQ3,
+ .rx_max_buf_size = SZ_2K,
.internal_delay = 1,
.tx_counters = 1,
.multi_irqs = 1,
@@ -2210,6 +2211,7 @@ static const struct ravb_hw_info ravb_gen2_hw_info = {
.stats_len = ARRAY_SIZE(ravb_gstrings_stats),
.max_rx_len = RX_BUF_SZ + RAVB_ALIGN - 1,
.tsrq = TCCR_TSRQ0 | TCCR_TSRQ1 | TCCR_TSRQ2 | TCCR_TSRQ3,
+ .rx_max_buf_size = SZ_2K,
.aligned_tx = 1,
.gptp = 1,
.nc_queue = 1,
@@ -2227,6 +2229,7 @@ static const struct ravb_hw_info gbeth_hw_info = {
.emac_init = ravb_emac_init_gbeth,
.max_rx_len = GBETH_RX_BUFF_MAX + RAVB_ALIGN - 1,
.tsrq = TCCR_TSRQ0,
+ .rx_max_buf_size = SZ_8K,
.aligned_tx = 1,
.tx_counters = 1,
.half_duplex = 1,
@@ -2450,7 +2453,7 @@ static int ravb_probe(struct platform_device *pdev)
}
clk_prepare_enable(priv->refclk);
- ndev->max_mtu = 2048 - (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN);
+ ndev->max_mtu = info->rx_max_buf_size - (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN);
ndev->min_mtu = ETH_MIN_MTU;
/* FIXME: R-Car Gen2 has 4byte alignment restriction for tx buffer