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path: root/drivers/net/ethernet/marvell/mvneta.c
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Diffstat (limited to 'drivers/net/ethernet/marvell/mvneta.c')
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 5a98c5d61a2b..ed622fa29dfa 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -243,6 +243,7 @@
#define MVNETA_VLAN_TAG_LEN 4
#define MVNETA_CPU_D_CACHE_LINE_SIZE 32
+#define MVNETA_TX_CSUM_DEF_SIZE 1600
#define MVNETA_TX_CSUM_MAX_SIZE 9800
#define MVNETA_ACC_MODE_EXT 1
@@ -3256,6 +3257,7 @@ static int mvneta_probe(struct platform_device *pdev)
char hw_mac_addr[ETH_ALEN];
const char *mac_from;
const char *managed;
+ int tx_csum_limit;
int phy_mode;
int err;
int cpu;
@@ -3356,8 +3358,21 @@ static int mvneta_probe(struct platform_device *pdev)
}
}
- if (of_device_is_compatible(dn, "marvell,armada-370-neta"))
- pp->tx_csum_limit = 1600;
+ if (!of_property_read_u32(dn, "tx-csum-limit", &tx_csum_limit)) {
+ if (tx_csum_limit < 0 ||
+ tx_csum_limit > MVNETA_TX_CSUM_MAX_SIZE) {
+ tx_csum_limit = MVNETA_TX_CSUM_DEF_SIZE;
+ dev_info(&pdev->dev,
+ "Wrong TX csum limit in DT, set to %dB\n",
+ MVNETA_TX_CSUM_DEF_SIZE);
+ }
+ } else if (of_device_is_compatible(dn, "marvell,armada-370-neta")) {
+ tx_csum_limit = MVNETA_TX_CSUM_DEF_SIZE;
+ } else {
+ tx_csum_limit = MVNETA_TX_CSUM_MAX_SIZE;
+ }
+
+ pp->tx_csum_limit = tx_csum_limit;
pp->tx_ring_size = MVNETA_MAX_TXD;
pp->rx_ring_size = MVNETA_MAX_RXD;