[dpdk-stable] [PATCH v3 02/13] net/dpaa: fix jumbo buffer config
Hemant Agrawal
hemant.agrawal at nxp.com
Fri Sep 21 13:05:51 CEST 2018
Set the missing dev data mtu for the correct size.
Set the max supported size in hw, if user is asking for more.
Fixes: 9658ac3a4ef6 ("net/dpaa: set the correct frame size in device MTU")
Cc: stable at dpdk.org
Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
drivers/net/dpaa/dpaa_ethdev.c | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
index b9bd557..b9b4999 100644
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -193,14 +193,24 @@ dpaa_eth_dev_configure(struct rte_eth_dev *dev)
}
if (rx_offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
+ uint32_t max_len;
+
+ DPAA_PMD_DEBUG("enabling jumbo");
+
if (dev->data->dev_conf.rxmode.max_rx_pkt_len <=
- DPAA_MAX_RX_PKT_LEN) {
- fman_if_set_maxfrm(dpaa_intf->fif,
- dev->data->dev_conf.rxmode.max_rx_pkt_len);
- return 0;
- } else {
- return -1;
+ DPAA_MAX_RX_PKT_LEN)
+ max_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
+ else {
+ DPAA_PMD_INFO("enabling jumbo override conf max len=%d "
+ "supported is %d",
+ dev->data->dev_conf.rxmode.max_rx_pkt_len,
+ DPAA_MAX_RX_PKT_LEN);
+ max_len = DPAA_MAX_RX_PKT_LEN;
}
+
+ fman_if_set_maxfrm(dpaa_intf->fif, max_len);
+ dev->data->mtu = max_len
+ - ETHER_HDR_LEN - ETHER_CRC_LEN - VLAN_TAG_SIZE;
}
return 0;
}
--
2.7.4
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