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net/ngbe: support MTU set

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Support updating port MTU.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
This commit is contained in:
Jiawen Wu 2021-10-21 17:50:08 +08:00 committed by Ferruh Yigit
parent 8b433d04ad
commit 07baabb6a5
3 changed files with 32 additions and 0 deletions
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1
doc/guides/nics/features/ngbe.ini
View File

@ -9,6 +9,7 @@ Link status = Y
Link status event = Y
Queue start/stop = Y
Burst mode info = Y
MTU update = Y
Scattered Rx = Y
TSO = Y
VLAN filter = Y

3
drivers/net/ngbe/base/ngbe_type.h
View File

@ -8,6 +8,7 @@
#define NGBE_LINK_UP_TIME 90 /* 9.0 Seconds */
#define NGBE_FRAME_SIZE_MAX (9728) /* Maximum frame size, +FCS */
#define NGBE_FRAME_SIZE_DFT (1522) /* Default frame size, +FCS */
#define NGBE_NUM_POOL (32)
#define NGBE_MAX_QP (8)
@ -319,6 +320,8 @@ struct ngbe_hw {
u16 nb_rx_queues;
u16 nb_tx_queues;
u32 mode;
u32 q_rx_regs[8 * 4];
u32 q_tx_regs[8 * 4];
bool offset_loaded;

28
drivers/net/ngbe/ngbe_ethdev.c
View File

@ -2041,6 +2041,33 @@ ngbe_dev_interrupt_handler(void *param)
ngbe_dev_interrupt_action(dev);
}
static int
ngbe_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{
struct ngbe_hw *hw = ngbe_dev_hw(dev);
uint32_t frame_size = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + 4;
struct rte_eth_dev_data *dev_data = dev->data;
/* If device is started, refuse mtu that requires the support of
* scattered packets when this feature has not been enabled before.
*/
if (dev_data->dev_started && !dev_data->scattered_rx &&
(frame_size + 2 * NGBE_VLAN_TAG_SIZE >
dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)) {
PMD_INIT_LOG(ERR, "Stop port first.");
return -EINVAL;
}
if (hw->mode)
wr32m(hw, NGBE_FRMSZ, NGBE_FRMSZ_MAX_MASK,
NGBE_FRAME_SIZE_MAX);
else
wr32m(hw, NGBE_FRMSZ, NGBE_FRMSZ_MAX_MASK,
NGBE_FRMSZ_MAX(frame_size));
return 0;
}
/**
* Set the IVAR registers, mapping interrupt causes to vectors
* @param hw
@ -2151,6 +2178,7 @@ static const struct eth_dev_ops ngbe_eth_dev_ops = {
.xstats_get_names = ngbe_dev_xstats_get_names,
.xstats_get_names_by_id = ngbe_dev_xstats_get_names_by_id,
.dev_supported_ptypes_get = ngbe_dev_supported_ptypes_get,
.mtu_set = ngbe_dev_mtu_set,
.vlan_filter_set = ngbe_vlan_filter_set,
.vlan_tpid_set = ngbe_vlan_tpid_set,
.vlan_offload_set = ngbe_vlan_offload_set,