net/enic: support burst mode info
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Commit Message
Add Rx/Tx burst mode getter handlers.
Signed-off-by: Hyong Youb Kim <hyonkim@cisco.com>
Reviewed-by: John Daley <johndale@cisco.com>
---
doc/guides/nics/features/enic.ini | 1 +
drivers/net/enic/enic.h | 1 +
drivers/net/enic/enic_ethdev.c | 45 +++++++++++++++++++++++++++
drivers/net/enic/enic_rxtx_vec_avx2.c | 1 +
4 files changed, 48 insertions(+)
Comments
On 7/2/2020 4:14 AM, Hyong Youb Kim wrote:
> Add Rx/Tx burst mode getter handlers.
>
> Signed-off-by: Hyong Youb Kim <hyonkim@cisco.com>
> Reviewed-by: John Daley <johndale@cisco.com>
Applied to dpdk-next-net/master, thanks.
@@ -39,3 +39,4 @@ Linux VFIO = Y
x86-32 = Y
x86-64 = Y
Usage doc = Y
+Burst mode info = Y
@@ -148,6 +148,7 @@ struct enic {
uint8_t ig_vlan_rewrite_mode; /* devargs ig-vlan-rewrite */
uint16_t vxlan_port; /* current vxlan port pushed to NIC */
int use_simple_tx_handler;
+ int use_noscatter_vec_rx_handler;
unsigned int flags;
unsigned int priv_flags;
@@ -976,6 +976,49 @@ static void enicpmd_dev_txq_info_get(struct rte_eth_dev *dev,
/* tx_thresh, and all the other fields are not applicable for enic */
}
+static int enicpmd_dev_rx_burst_mode_get(struct rte_eth_dev *dev,
+ __rte_unused uint16_t queue_id,
+ struct rte_eth_burst_mode *mode)
+{
+ eth_rx_burst_t pkt_burst = dev->rx_pkt_burst;
+ struct enic *enic = pmd_priv(dev);
+ const char *info_str = NULL;
+ int ret = -EINVAL;
+
+ ENICPMD_FUNC_TRACE();
+ if (enic->use_noscatter_vec_rx_handler)
+ info_str = "Vector AVX2 No Scatter";
+ else if (pkt_burst == enic_noscatter_recv_pkts)
+ info_str = "Scalar No Scatter";
+ else if (pkt_burst == enic_recv_pkts)
+ info_str = "Scalar";
+ if (info_str) {
+ strlcpy(mode->info, info_str, sizeof(mode->info));
+ ret = 0;
+ }
+ return ret;
+}
+
+static int enicpmd_dev_tx_burst_mode_get(struct rte_eth_dev *dev,
+ __rte_unused uint16_t queue_id,
+ struct rte_eth_burst_mode *mode)
+{
+ eth_tx_burst_t pkt_burst = dev->tx_pkt_burst;
+ const char *info_str = NULL;
+ int ret = -EINVAL;
+
+ ENICPMD_FUNC_TRACE();
+ if (pkt_burst == enic_simple_xmit_pkts)
+ info_str = "Scalar Simplified";
+ else if (pkt_burst == enic_xmit_pkts)
+ info_str = "Scalar";
+ if (info_str) {
+ strlcpy(mode->info, info_str, sizeof(mode->info));
+ ret = 0;
+ }
+ return ret;
+}
+
static int enicpmd_dev_rx_queue_intr_enable(struct rte_eth_dev *eth_dev,
uint16_t rx_queue_id)
{
@@ -1125,6 +1168,8 @@ static const struct eth_dev_ops enicpmd_eth_dev_ops = {
.rx_queue_intr_disable = enicpmd_dev_rx_queue_intr_disable,
.rxq_info_get = enicpmd_dev_rxq_info_get,
.txq_info_get = enicpmd_dev_txq_info_get,
+ .rx_burst_mode_get = enicpmd_dev_rx_burst_mode_get,
+ .tx_burst_mode_get = enicpmd_dev_tx_burst_mode_get,
.dev_led_on = NULL,
.dev_led_off = NULL,
.flow_ctrl_get = NULL,
@@ -824,6 +824,7 @@ enic_use_vector_rx_handler(struct rte_eth_dev *eth_dev)
if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2)) {
ENICPMD_LOG(DEBUG, " use the non-scatter avx2 Rx handler");
eth_dev->rx_pkt_burst = &enic_noscatter_vec_recv_pkts;
+ enic->use_noscatter_vec_rx_handler = 1;
return true;
}
return false;