d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/enetc: enable CRC offload

Browse Source 
CRC offload keep feature supported

Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
This commit is contained in:
Gagandeep Singh 2019-04-12 12:29:08 +00:00 committed by Ferruh Yigit
parent 8b675ab10e
commit 1d0c33978a
7 changed files with 26 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
doc/guides/nics/enetc.rst
View File

@ -52,6 +52,7 @@ ENETC Features
- Jumbo packets
- Queue Start/Stop
- Deferred Queue Start
- CRC offload
NIC Driver (PMD)
~~~~~~~~~~~~~~~~

1
doc/guides/nics/features/enetc.ini
View File

@ -12,6 +12,7 @@ Allmulticast mode = Y
MTU update = Y
Jumbo frame = Y
Queue start/stop = Y
CRC offload = Y
Linux VFIO = Y
ARMv8 = Y
Usage doc = Y

1
doc/guides/rel_notes/release_19_05.rst
View File

@ -153,6 +153,7 @@ New Features
* Added MTU update support
* Added jumbo frame support
* Added queue start/stop
* Added CRC offload support
* **Updated the QuickAssist Technology PMD.**

1
drivers/net/enetc/base/enetc_hw.h
View File

@ -97,6 +97,7 @@ enum enetc_bdr_type {TX, RX};
#define ENETC_PM0_CMD_CFG 0x08008
#define ENETC_PM0_TX_EN BIT(0)
#define ENETC_PM0_RX_EN BIT(1)
#define ENETC_PM0_CRC BIT(6)
#define ENETC_PM0_MAXFRM 0x08014
#define ENETC_SET_TX_MTU(val) ((val) << 16)

1
drivers/net/enetc/enetc.h
View File

@ -69,6 +69,7 @@ struct enetc_bdr {
void *tcisr; /* Tx */
int next_to_alloc; /* Rx */
};
uint8_t crc_len; /* 0 if CRC stripped, 4 otherwise */
};
/*

20
drivers/net/enetc/enetc_ethdev.c
View File

@ -162,7 +162,9 @@ enetc_dev_infos_get(struct rte_eth_dev *dev __rte_unused,
dev_info->max_rx_queues = MAX_RX_RINGS;
dev_info->max_tx_queues = MAX_TX_RINGS;
dev_info->max_rx_pktlen = ENETC_MAC_MAXFRM_SIZE;
dev_info->rx_offload_capa = DEV_RX_OFFLOAD_JUMBO_FRAME;
dev_info->rx_offload_capa =
(DEV_RX_OFFLOAD_KEEP_CRC |
DEV_RX_OFFLOAD_JUMBO_FRAME);
}
static int
@ -378,6 +380,7 @@ enetc_rx_queue_setup(struct rte_eth_dev *dev,
struct rte_eth_dev_data *data = dev->data;
struct enetc_eth_adapter *adapter =
ENETC_DEV_PRIVATE(data->dev_private);
uint64_t rx_offloads = data->dev_conf.rxmode.offloads;
PMD_INIT_FUNC_TRACE();
if (nb_rx_desc > MAX_BD_COUNT)
@ -410,6 +413,9 @@ enetc_rx_queue_setup(struct rte_eth_dev *dev,
RTE_ETH_QUEUE_STATE_STOPPED;
}
rx_ring->crc_len = (uint8_t)((rx_offloads & DEV_RX_OFFLOAD_KEEP_CRC) ?
ETHER_CRC_LEN : 0);
return 0;
fail:
rte_free(rx_ring);
@ -625,11 +631,11 @@ enetc_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
static int
enetc_dev_configure(struct rte_eth_dev *dev)
{
struct rte_eth_conf *eth_conf = &dev->data->dev_conf;
uint64_t rx_offloads = eth_conf->rxmode.offloads;
struct enetc_eth_hw *hw =
ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct enetc_hw *enetc_hw = &hw->hw;
struct rte_eth_conf *eth_conf = &dev->data->dev_conf;
uint64_t rx_offloads = eth_conf->rxmode.offloads;
PMD_INIT_FUNC_TRACE();
@ -647,6 +653,14 @@ enetc_dev_configure(struct rte_eth_dev *dev)
dev->data->mtu = ETHER_MAX_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN;
}
if (rx_offloads & DEV_RX_OFFLOAD_KEEP_CRC) {
int config;
config = enetc_port_rd(enetc_hw, ENETC_PM0_CMD_CFG);
config |= ENETC_PM0_CRC;
enetc_port_wr(enetc_hw, ENETC_PM0_CMD_CFG, config);
}
return 0;
}

6
drivers/net/enetc/enetc_rxtx.c
View File

@ -208,8 +208,10 @@ enetc_clean_rx_ring(struct enetc_bdr *rx_ring,
if (!bd_status)
break;
rx_swbd->buffer_addr->pkt_len = rxbd->r.buf_len;
rx_swbd->buffer_addr->data_len = rxbd->r.buf_len;
rx_swbd->buffer_addr->pkt_len = rxbd->r.buf_len -
rx_ring->crc_len;
rx_swbd->buffer_addr->data_len = rxbd->r.buf_len -
rx_ring->crc_len;
rx_swbd->buffer_addr->hash.rss = rxbd->r.rss_hash;
rx_swbd->buffer_addr->ol_flags = 0;
enetc_dev_rx_parse(rx_swbd->buffer_addr,