nfp: add basic features

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@netronome.com>
This commit is contained in:
Alejandro Lucero 2015-11-30 10:25:40 +00:00 committed by Thomas Monjalon
parent cef1f80504
commit d4a27a3b09

View File

@ -73,8 +73,13 @@
/* Prototypes */
static void nfp_net_close(struct rte_eth_dev *dev);
static int nfp_net_configure(struct rte_eth_dev *dev);
static int nfp_net_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
static void nfp_net_infos_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
static int nfp_net_init(struct rte_eth_dev *eth_dev);
static int nfp_net_link_update(struct rte_eth_dev *dev, int wait_to_complete);
static void nfp_net_promisc_enable(struct rte_eth_dev *dev);
static void nfp_net_promisc_disable(struct rte_eth_dev *dev);
static int nfp_net_rx_fill_freelist(struct nfp_net_rxq *rxq);
static uint32_t nfp_net_rx_queue_count(struct rte_eth_dev *dev,
uint16_t queue_idx);
@ -734,6 +739,65 @@ nfp_net_close(struct rte_eth_dev *dev)
*/
}
static void
nfp_net_promisc_enable(struct rte_eth_dev *dev)
{
uint32_t new_ctrl, update = 0;
struct nfp_net_hw *hw;
PMD_DRV_LOG(DEBUG, "Promiscuous mode enable\n");
hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
if (!(hw->cap & NFP_NET_CFG_CTRL_PROMISC)) {
PMD_INIT_LOG(INFO, "Promiscuous mode not supported\n");
return;
}
if (hw->ctrl & NFP_NET_CFG_CTRL_PROMISC) {
PMD_DRV_LOG(INFO, "Promiscuous mode already enabled\n");
return;
}
new_ctrl = hw->ctrl | NFP_NET_CFG_CTRL_PROMISC;
update = NFP_NET_CFG_UPDATE_GEN;
/*
* DPDK sets promiscuous mode on just after this call assuming
* it can not fail ...
*/
if (nfp_net_reconfig(hw, new_ctrl, update) < 0)
return;
hw->ctrl = new_ctrl;
}
static void
nfp_net_promisc_disable(struct rte_eth_dev *dev)
{
uint32_t new_ctrl, update = 0;
struct nfp_net_hw *hw;
hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
if ((hw->ctrl & NFP_NET_CFG_CTRL_PROMISC) == 0) {
PMD_DRV_LOG(INFO, "Promiscuous mode already disabled\n");
return;
}
new_ctrl = hw->ctrl & ~NFP_NET_CFG_CTRL_PROMISC;
update = NFP_NET_CFG_UPDATE_GEN;
/*
* DPDK sets promiscuous mode off just before this call
* assuming it can not fail ...
*/
if (nfp_net_reconfig(hw, new_ctrl, update) < 0)
return;
hw->ctrl = new_ctrl;
}
/*
* return 0 means link status changed, -1 means not changed
*
@ -948,6 +1012,65 @@ nfp_net_stats_reset(struct rte_eth_dev *dev)
nn_cfg_readq(hw, NFP_NET_CFG_STATS_RX_DISCARDS);
}
static void
nfp_net_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
{
struct nfp_net_hw *hw;
hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
dev_info->driver_name = dev->driver->pci_drv.name;
dev_info->max_rx_queues = (uint16_t)hw->max_rx_queues;
dev_info->max_tx_queues = (uint16_t)hw->max_tx_queues;
dev_info->min_rx_bufsize = ETHER_MIN_MTU;
dev_info->max_rx_pktlen = hw->mtu;
/* Next should change when PF support is implemented */
dev_info->max_mac_addrs = 1;
if (hw->cap & NFP_NET_CFG_CTRL_RXVLAN)
dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
if (hw->cap & NFP_NET_CFG_CTRL_RXCSUM)
dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM;
if (hw->cap & NFP_NET_CFG_CTRL_TXVLAN)
dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT;
if (hw->cap & NFP_NET_CFG_CTRL_TXCSUM)
dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM;
dev_info->default_rxconf = (struct rte_eth_rxconf) {
.rx_thresh = {
.pthresh = DEFAULT_RX_PTHRESH,
.hthresh = DEFAULT_RX_HTHRESH,
.wthresh = DEFAULT_RX_WTHRESH,
},
.rx_free_thresh = DEFAULT_RX_FREE_THRESH,
.rx_drop_en = 0,
};
dev_info->default_txconf = (struct rte_eth_txconf) {
.tx_thresh = {
.pthresh = DEFAULT_TX_PTHRESH,
.hthresh = DEFAULT_TX_HTHRESH,
.wthresh = DEFAULT_TX_WTHRESH,
},
.tx_free_thresh = DEFAULT_TX_FREE_THRESH,
.tx_rs_thresh = DEFAULT_TX_RSBIT_THRESH,
.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
ETH_TXQ_FLAGS_NOOFFLOADS,
};
dev_info->reta_size = NFP_NET_CFG_RSS_ITBL_SZ;
#if RTE_VER_MAJOR == 2 && RTE_VER_MINOR >= 1
dev_info->hash_key_size = NFP_NET_CFG_RSS_KEY_SZ;
#endif
}
static uint32_t
nfp_net_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_idx)
{
@ -992,6 +1115,34 @@ nfp_net_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_idx)
return count;
}
static int
nfp_net_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{
struct nfp_net_hw *hw;
hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
/* check that mtu is within the allowed range */
if ((mtu < ETHER_MIN_MTU) || ((uint32_t)mtu > hw->max_mtu))
return -EINVAL;
/* switch to jumbo mode if needed */
if ((uint32_t)mtu > ETHER_MAX_LEN)
dev->data->dev_conf.rxmode.jumbo_frame = 1;
else
dev->data->dev_conf.rxmode.jumbo_frame = 0;
/* update max frame size */
dev->data->dev_conf.rxmode.max_rx_pkt_len = (uint32_t)mtu;
/* writing to configuration space */
nn_cfg_writel(hw, NFP_NET_CFG_MTU, (uint32_t)mtu);
hw->mtu = mtu;
return 0;
}
static int
nfp_net_rx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx, uint16_t nb_desc,
@ -1770,6 +1921,41 @@ nfp_net_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
return i;
}
static void
nfp_net_vlan_offload_set(struct rte_eth_dev *dev, int mask)
{
uint32_t new_ctrl, update;
struct nfp_net_hw *hw;
hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
new_ctrl = 0;
if ((mask & ETH_VLAN_FILTER_OFFLOAD) ||
(mask & ETH_VLAN_FILTER_OFFLOAD))
RTE_LOG(INFO, PMD, "Not support for ETH_VLAN_FILTER_OFFLOAD or"
" ETH_VLAN_FILTER_EXTEND");
/* Enable vlan strip if it is not configured yet */
if ((mask & ETH_VLAN_STRIP_OFFLOAD) &&
!(hw->ctrl & NFP_NET_CFG_CTRL_RXVLAN))
new_ctrl = hw->ctrl | NFP_NET_CFG_CTRL_RXVLAN;
/* Disable vlan strip just if it is configured */
if (!(mask & ETH_VLAN_STRIP_OFFLOAD) &&
(hw->ctrl & NFP_NET_CFG_CTRL_RXVLAN))
new_ctrl = hw->ctrl & ~NFP_NET_CFG_CTRL_RXVLAN;
if (new_ctrl == 0)
return;
update = NFP_NET_CFG_UPDATE_GEN;
if (nfp_net_reconfig(hw, new_ctrl, update) < 0)
return;
hw->ctrl = new_ctrl;
}
/* Update Redirection Table(RETA) of Receive Side Scaling of Ethernet device */
static int
nfp_net_reta_update(struct rte_eth_dev *dev,
@ -1990,9 +2176,14 @@ static struct eth_dev_ops nfp_net_eth_dev_ops = {
.dev_start = nfp_net_start,
.dev_stop = nfp_net_stop,
.dev_close = nfp_net_close,
.promiscuous_enable = nfp_net_promisc_enable,
.promiscuous_disable = nfp_net_promisc_disable,
.link_update = nfp_net_link_update,
.stats_get = nfp_net_stats_get,
.stats_reset = nfp_net_stats_reset,
.dev_infos_get = nfp_net_infos_get,
.mtu_set = nfp_net_dev_mtu_set,
.vlan_offload_set = nfp_net_vlan_offload_set,
.reta_update = nfp_net_reta_update,
.reta_query = nfp_net_reta_query,
.rss_hash_update = nfp_net_rss_hash_update,