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net/dpaa2: align the frame size in MTU set

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Setting correct frame size in dpaa2_dev_mtu_set
api call. Also correcting the correct max frame size
setting in hardware while dev_configure for jumbo frames

Signed-off-by: Ashish Jain <ashish.jain@nxp.com>
This commit is contained in:
Ashish Jain 2017-12-08 10:51:22 +05:30 committed by Ferruh Yigit
parent f40adb40c1
commit 44ea735587
2 changed files with 9 additions and 6 deletions
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4
drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
View File

@ -27,8 +27,8 @@
#define SVR_LS2088A 0x87090000
#define SVR_LX2160A 0x87360000
#ifndef ETH_VLAN_HLEN
#define ETH_VLAN_HLEN 4 /** < Vlan Header Length */
#ifndef VLAN_TAG_SIZE
#define VLAN_TAG_SIZE 4 /** < Vlan Header Length */
#endif
#define MAX_TX_RING_SLOTS 8

11
drivers/net/dpaa2/dpaa2_ethdev.c
View File

@ -321,8 +321,8 @@ dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
if (eth_conf->rxmode.jumbo_frame == 1) {
if (eth_conf->rxmode.max_rx_pkt_len <= DPAA2_MAX_RX_PKT_LEN) {
ret = dpaa2_dev_mtu_set(dev,
eth_conf->rxmode.max_rx_pkt_len);
ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW,
priv->token, eth_conf->rxmode.max_rx_pkt_len);
if (ret) {
PMD_INIT_LOG(ERR,
"unable to set mtu. check config\n");
@ -974,7 +974,8 @@ dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
int ret;
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN
+ VLAN_TAG_SIZE;
PMD_INIT_FUNC_TRACE();
@ -992,11 +993,13 @@ dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
else
dev->data->dev_conf.rxmode.jumbo_frame = 0;
dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
/* Set the Max Rx frame length as 'mtu' +
* Maximum Ethernet header length
*/
ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
mtu + ETH_VLAN_HLEN);
frame_size);
if (ret) {
PMD_DRV_LOG(ERR, "setting the max frame length failed");
return -1;