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net/dpaa: set the correct frame size in device MTU

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Setting correct frame size in dpaa_dev_mtu_set
api call. Also setting correct max frame size in
hardware in dev_configure for jumbo frames

Signed-off-by: Ashish Jain <ashish.jain@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
This commit is contained in:
Ashish Jain 2018-01-10 16:16:27 +05:30 committed by Ferruh Yigit
parent 3b59b73dea
commit 9658ac3a4e
2 changed files with 17 additions and 7 deletions
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20
drivers/net/dpaa/dpaa_ethdev.c
View File

@ -85,19 +85,21 @@ static int
dpaa_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN
+ VLAN_TAG_SIZE;
PMD_INIT_FUNC_TRACE();
if (mtu < ETHER_MIN_MTU)
if (mtu < ETHER_MIN_MTU || frame_size > DPAA_MAX_RX_PKT_LEN)
return -EINVAL;
if (mtu > ETHER_MAX_LEN)
if (frame_size > ETHER_MAX_LEN)
dev->data->dev_conf.rxmode.jumbo_frame = 1;
else
dev->data->dev_conf.rxmode.jumbo_frame = 0;
dev->data->dev_conf.rxmode.max_rx_pkt_len = mtu;
dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
fman_if_set_maxfrm(dpaa_intf->fif, mtu);
fman_if_set_maxfrm(dpaa_intf->fif, frame_size);
return 0;
}
@ -105,16 +107,20 @@ dpaa_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
static int
dpaa_eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
if (dev->data->dev_conf.rxmode.jumbo_frame == 1) {
if (dev->data->dev_conf.rxmode.max_rx_pkt_len <=
DPAA_MAX_RX_PKT_LEN)
return dpaa_mtu_set(dev,
DPAA_MAX_RX_PKT_LEN) {
fman_if_set_maxfrm(dpaa_intf->fif,
dev->data->dev_conf.rxmode.max_rx_pkt_len);
else
return 0;
} else {
return -1;
}
}
return 0;
}

4
drivers/net/dpaa/dpaa_ethdev.h
View File

@ -45,6 +45,10 @@
/*Maximum number of slots available in TX ring*/
#define MAX_TX_RING_SLOTS 8
#ifndef VLAN_TAG_SIZE
#define VLAN_TAG_SIZE 4 /** < Vlan Header Length */
#endif
/* PCD frame queues */
#define DPAA_PCD_FQID_START 0x400
#define DPAA_PCD_FQID_MULTIPLIER 0x100