[dpdk-dev] [PATCH 3/9] net/dpaa: add Tx/Rx burst mode info
Hemant Agrawal
hemant.agrawal at nxp.com
Fri Jul 10 18:21:31 CEST 2020
From: Apeksha Gupta <apeksha.gupta at nxp.com>
Retrieve burst mode information according to the selected Rx/Tx mode
and offloads.
Signed-off-by: Apeksha Gupta <apeksha.gupta at nxp.com>
---
doc/guides/nics/features/dpaa.ini | 1 +
drivers/net/dpaa/dpaa_ethdev.c | 70 ++++++++++++++++++++++++++++++-
2 files changed, 70 insertions(+), 1 deletion(-)
diff --git a/doc/guides/nics/features/dpaa.ini b/doc/guides/nics/features/dpaa.ini
index 816a6e08e..e0ed3e868 100644
--- a/doc/guides/nics/features/dpaa.ini
+++ b/doc/guides/nics/features/dpaa.ini
@@ -7,6 +7,7 @@
Speed capabilities = Y
Link status = Y
Link status event = Y
+Burst mode info = Y
Jumbo frame = Y
MTU update = Y
Scattered Rx = Y
diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
index 3a5b319d4..62ecb112f 100644
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -457,6 +457,73 @@ static int dpaa_eth_dev_info(struct rte_eth_dev *dev,
return 0;
}
+static int
+dpaa_dev_rx_burst_mode_get(struct rte_eth_dev *dev,
+ __rte_unused uint16_t queue_id,
+ struct rte_eth_burst_mode *mode)
+{
+ struct rte_eth_conf *eth_conf = &dev->data->dev_conf;
+ int ret = -EINVAL;
+ unsigned int i;
+ const struct burst_info {
+ uint64_t flags;
+ const char *output;
+ } rx_offload_map[] = {
+ {DEV_RX_OFFLOAD_JUMBO_FRAME, " Jumbo frame,"},
+ {DEV_RX_OFFLOAD_SCATTER, " Scattered,"},
+ {DEV_RX_OFFLOAD_IPV4_CKSUM, " IPV4 csum,"},
+ {DEV_RX_OFFLOAD_UDP_CKSUM, " UDP csum,"},
+ {DEV_RX_OFFLOAD_TCP_CKSUM, " TCP csum,"},
+ {DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM, " Outer IPV4 csum,"},
+ {DEV_RX_OFFLOAD_RSS_HASH, " RSS,"}
+ };
+
+ /* Update Rx offload info */
+ for (i = 0; i < RTE_DIM(rx_offload_map); i++) {
+ if (eth_conf->rxmode.offloads & rx_offload_map[i].flags) {
+ snprintf(mode->info, sizeof(mode->info), "%s",
+ rx_offload_map[i].output);
+ ret = 0;
+ break;
+ }
+ }
+ return ret;
+}
+
+static int
+dpaa_dev_tx_burst_mode_get(struct rte_eth_dev *dev,
+ __rte_unused uint16_t queue_id,
+ struct rte_eth_burst_mode *mode)
+{
+ struct rte_eth_conf *eth_conf = &dev->data->dev_conf;
+ int ret = -EINVAL;
+ unsigned int i;
+ const struct burst_info {
+ uint64_t flags;
+ const char *output;
+ } tx_offload_map[] = {
+ {DEV_TX_OFFLOAD_MT_LOCKFREE, " MT lockfree,"},
+ {DEV_TX_OFFLOAD_MBUF_FAST_FREE, " MBUF free disable,"},
+ {DEV_TX_OFFLOAD_IPV4_CKSUM, " IPV4 csum,"},
+ {DEV_TX_OFFLOAD_UDP_CKSUM, " UDP csum,"},
+ {DEV_TX_OFFLOAD_TCP_CKSUM, " TCP csum,"},
+ {DEV_TX_OFFLOAD_SCTP_CKSUM, " SCTP csum,"},
+ {DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM, " Outer IPV4 csum,"},
+ {DEV_TX_OFFLOAD_MULTI_SEGS, " Scattered,"}
+ };
+
+ /* Update Tx offload info */
+ for (i = 0; i < RTE_DIM(tx_offload_map); i++) {
+ if (eth_conf->txmode.offloads & tx_offload_map[i].flags) {
+ snprintf(mode->info, sizeof(mode->info), "%s",
+ tx_offload_map[i].output);
+ ret = 0;
+ break;
+ }
+ }
+ return ret;
+}
+
static int dpaa_eth_link_update(struct rte_eth_dev *dev,
int wait_to_complete __rte_unused)
{
@@ -1182,7 +1249,8 @@ static struct eth_dev_ops dpaa_devops = {
.rx_queue_release = dpaa_eth_rx_queue_release,
.tx_queue_release = dpaa_eth_tx_queue_release,
.rx_queue_count = dpaa_dev_rx_queue_count,
-
+ .rx_burst_mode_get = dpaa_dev_rx_burst_mode_get,
+ .tx_burst_mode_get = dpaa_dev_tx_burst_mode_get,
.flow_ctrl_get = dpaa_flow_ctrl_get,
.flow_ctrl_set = dpaa_flow_ctrl_set,
--
2.17.1
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