* [dpdk-dev] [PATCH v4 1/2] net/axgbe: support flow control API
@ 2020-03-02 8:15 asomalap
2020-03-02 8:15 ` [dpdk-dev] [PATCH v4 2/2] net/axgbe: support priority " asomalap
0 siblings, 1 reply; 6+ messages in thread
From: asomalap @ 2020-03-02 8:15 UTC (permalink / raw)
To: dev; +Cc: Ravi1.Kumar
From: Amaranath Somalapuram <asomalap@amd.com>
Adding api for flow_ctrl_get and flow_ctrl_set.
By default axgbe driver flow control is disabled.
Adding dpdk flow control to set water high and low.
Signed-off-by: Amaranath Somalapuram <asomalap@amd.com>
---
drivers/net/axgbe/axgbe_ethdev.c | 84 ++++++++++++++++++++++++++++++++
drivers/net/axgbe/axgbe_ethdev.h | 10 ++++
2 files changed, 94 insertions(+)
diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
index 00974e737..867c4744f 100644
--- a/drivers/net/axgbe/axgbe_ethdev.c
+++ b/drivers/net/axgbe/axgbe_ethdev.c
@@ -47,6 +47,10 @@ axgbe_dev_xstats_get_names_by_id(struct rte_eth_dev *dev,
static int axgbe_dev_xstats_reset(struct rte_eth_dev *dev);
static int axgbe_dev_info_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
+static int axgbe_flow_ctrl_get(struct rte_eth_dev *dev,
+ struct rte_eth_fc_conf *fc_conf);
+static int axgbe_flow_ctrl_set(struct rte_eth_dev *dev,
+ struct rte_eth_fc_conf *fc_conf);
struct axgbe_xstats {
char name[RTE_ETH_XSTATS_NAME_SIZE];
@@ -174,6 +178,8 @@ static const struct eth_dev_ops axgbe_eth_dev_ops = {
.rx_queue_release = axgbe_dev_rx_queue_release,
.tx_queue_setup = axgbe_dev_tx_queue_setup,
.tx_queue_release = axgbe_dev_tx_queue_release,
+ .flow_ctrl_get = axgbe_flow_ctrl_get,
+ .flow_ctrl_set = axgbe_flow_ctrl_set,
};
static int axgbe_phy_reset(struct axgbe_port *pdata)
@@ -843,6 +849,84 @@ axgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
return 0;
}
+static int
+axgbe_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+ struct axgbe_port *pdata = dev->data->dev_private;
+ struct xgbe_fc_info fc = pdata->fc;
+ unsigned int reg, reg_val = 0;
+
+ reg = MAC_Q0TFCR;
+ reg_val = AXGMAC_IOREAD(pdata, reg);
+ fc.low_water[0] = AXGMAC_MTL_IOREAD_BITS(pdata, 0, MTL_Q_RQFCR, RFA);
+ fc.high_water[0] = AXGMAC_MTL_IOREAD_BITS(pdata, 0, MTL_Q_RQFCR, RFD);
+ fc.pause_time[0] = AXGMAC_GET_BITS(reg_val, MAC_Q0TFCR, PT);
+ fc.autoneg = pdata->pause_autoneg;
+
+ if (pdata->rx_pause && pdata->tx_pause)
+ fc.mode = RTE_FC_FULL;
+ else if (pdata->rx_pause)
+ fc.mode = RTE_FC_RX_PAUSE;
+ else if (pdata->tx_pause)
+ fc.mode = RTE_FC_TX_PAUSE;
+ else
+ fc.mode = RTE_FC_NONE;
+
+ fc_conf->high_water = (1024 + (fc.low_water[0] << 9)) / 1024;
+ fc_conf->low_water = (1024 + (fc.high_water[0] << 9)) / 1024;
+ fc_conf->pause_time = fc.pause_time[0];
+ fc_conf->send_xon = fc.send_xon;
+ fc_conf->mode = fc.mode;
+
+ return 0;
+}
+
+static int
+axgbe_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+ struct axgbe_port *pdata = dev->data->dev_private;
+ struct xgbe_fc_info fc = pdata->fc;
+ unsigned int reg, reg_val = 0;
+ reg = MAC_Q0TFCR;
+
+ pdata->pause_autoneg = fc_conf->autoneg;
+ pdata->phy.pause_autoneg = pdata->pause_autoneg;
+ fc.send_xon = fc_conf->send_xon;
+ AXGMAC_MTL_IOWRITE_BITS(pdata, 0, MTL_Q_RQFCR, RFA,
+ AXGMAC_FLOW_CONTROL_VALUE(1024 * fc_conf->high_water));
+ AXGMAC_MTL_IOWRITE_BITS(pdata, 0, MTL_Q_RQFCR, RFD,
+ AXGMAC_FLOW_CONTROL_VALUE(1024 * fc_conf->low_water));
+ AXGMAC_SET_BITS(reg_val, MAC_Q0TFCR, PT, fc_conf->pause_time);
+ AXGMAC_IOWRITE(pdata, reg, reg_val);
+ fc.mode = fc_conf->mode;
+
+ if (fc.mode == RTE_FC_FULL) {
+ pdata->tx_pause = 1;
+ pdata->rx_pause = 1;
+ } else if (fc.mode == RTE_FC_RX_PAUSE) {
+ pdata->tx_pause = 0;
+ pdata->rx_pause = 1;
+ } else if (fc.mode == RTE_FC_TX_PAUSE) {
+ pdata->tx_pause = 1;
+ pdata->rx_pause = 0;
+ } else {
+ pdata->tx_pause = 0;
+ pdata->rx_pause = 0;
+ }
+
+ if (pdata->tx_pause != (unsigned int)pdata->phy.tx_pause)
+ pdata->hw_if.config_tx_flow_control(pdata);
+
+ if (pdata->rx_pause != (unsigned int)pdata->phy.rx_pause)
+ pdata->hw_if.config_rx_flow_control(pdata);
+
+ pdata->hw_if.config_flow_control(pdata);
+ pdata->phy.tx_pause = pdata->tx_pause;
+ pdata->phy.rx_pause = pdata->rx_pause;
+
+ return 0;
+}
+
static void axgbe_get_all_hw_features(struct axgbe_port *pdata)
{
unsigned int mac_hfr0, mac_hfr1, mac_hfr2;
diff --git a/drivers/net/axgbe/axgbe_ethdev.h b/drivers/net/axgbe/axgbe_ethdev.h
index a1083b17b..746fb2f15 100644
--- a/drivers/net/axgbe/axgbe_ethdev.h
+++ b/drivers/net/axgbe/axgbe_ethdev.h
@@ -485,6 +485,15 @@ struct axgbe_mmc_stats {
uint64_t rxwatchdogerror;
};
+/* Flow control parameters */
+struct xgbe_fc_info {
+ uint32_t high_water[AXGBE_PRIORITY_QUEUES];
+ uint32_t low_water[AXGBE_PRIORITY_QUEUES];
+ uint16_t pause_time[AXGBE_PRIORITY_QUEUES];
+ uint16_t send_xon;
+ enum rte_eth_fc_mode mode;
+ uint8_t autoneg;
+};
/*
* Structure to store private data for each port.
*/
@@ -625,6 +634,7 @@ struct axgbe_port {
uint32_t rx_csum_enable;
struct axgbe_mmc_stats mmc_stats;
+ struct xgbe_fc_info fc;
};
void axgbe_init_function_ptrs_dev(struct axgbe_hw_if *hw_if);
--
2.17.1
^ permalink raw reply [flat|nested] 6+ messages in thread* [dpdk-dev] [PATCH v4 2/2] net/axgbe: support priority flow control API
2020-03-02 8:15 [dpdk-dev] [PATCH v4 1/2] net/axgbe: support flow control API asomalap
@ 2020-03-02 8:15 ` asomalap
0 siblings, 0 replies; 6+ messages in thread
From: asomalap @ 2020-03-02 8:15 UTC (permalink / raw)
To: dev; +Cc: Ravi1.Kumar
From: Amaranath Somalapuram <asomalap@amd.com>
Adding API for priority_flow_ctrl_set.
Priority flow control to set water high and low,
pause_time and priority.
Signed-off-by: Amaranath Somalapuram <asomalap@amd.com>
---
drivers/net/axgbe/axgbe_ethdev.c | 94 ++++++++++++++++++++++++++++++++
1 file changed, 94 insertions(+)
diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
index 867c4744f..e7b731b2e 100644
--- a/drivers/net/axgbe/axgbe_ethdev.c
+++ b/drivers/net/axgbe/axgbe_ethdev.c
@@ -51,6 +51,8 @@ static int axgbe_flow_ctrl_get(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf);
static int axgbe_flow_ctrl_set(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf);
+static int axgbe_priority_flow_ctrl_set(struct rte_eth_dev *dev,
+ struct rte_eth_pfc_conf *pfc_conf);
struct axgbe_xstats {
char name[RTE_ETH_XSTATS_NAME_SIZE];
@@ -180,6 +182,7 @@ static const struct eth_dev_ops axgbe_eth_dev_ops = {
.tx_queue_release = axgbe_dev_tx_queue_release,
.flow_ctrl_get = axgbe_flow_ctrl_get,
.flow_ctrl_set = axgbe_flow_ctrl_set,
+ .priority_flow_ctrl_set = axgbe_priority_flow_ctrl_set,
};
static int axgbe_phy_reset(struct axgbe_port *pdata)
@@ -927,6 +930,97 @@ axgbe_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
return 0;
}
+static int
+axgbe_priority_flow_ctrl_set(struct rte_eth_dev *dev,
+ struct rte_eth_pfc_conf *pfc_conf)
+{
+ struct axgbe_port *pdata = dev->data->dev_private;
+ struct xgbe_fc_info fc = pdata->fc;
+ uint8_t tc_num;
+
+ tc_num = pdata->pfc_map[pfc_conf->priority];
+
+ if (pfc_conf->priority >= pdata->hw_feat.tc_cnt) {
+ PMD_INIT_LOG(ERR, "Max supported traffic class: %d\n",
+ pdata->hw_feat.tc_cnt);
+ return -EINVAL;
+ }
+
+ pdata->pause_autoneg = pfc_conf->fc.autoneg;
+ pdata->phy.pause_autoneg = pdata->pause_autoneg;
+ fc.send_xon = pfc_conf->fc.send_xon;
+ AXGMAC_MTL_IOWRITE_BITS(pdata, tc_num, MTL_Q_RQFCR, RFA,
+ AXGMAC_FLOW_CONTROL_VALUE(1024 * pfc_conf->fc.high_water));
+ AXGMAC_MTL_IOWRITE_BITS(pdata, tc_num, MTL_Q_RQFCR, RFD,
+ AXGMAC_FLOW_CONTROL_VALUE(1024 * pfc_conf->fc.low_water));
+
+ switch (tc_num) {
+ case 0:
+ AXGMAC_IOWRITE_BITS(pdata, MTL_TCPM0R,
+ PSTC0, pfc_conf->fc.pause_time);
+ break;
+ case 1:
+ AXGMAC_IOWRITE_BITS(pdata, MTL_TCPM0R,
+ PSTC1, pfc_conf->fc.pause_time);
+ break;
+ case 2:
+ AXGMAC_IOWRITE_BITS(pdata, MTL_TCPM0R,
+ PSTC2, pfc_conf->fc.pause_time);
+ break;
+ case 3:
+ AXGMAC_IOWRITE_BITS(pdata, MTL_TCPM0R,
+ PSTC3, pfc_conf->fc.pause_time);
+ break;
+ case 4:
+ AXGMAC_IOWRITE_BITS(pdata, MTL_TCPM1R,
+ PSTC4, pfc_conf->fc.pause_time);
+ break;
+ case 5:
+ AXGMAC_IOWRITE_BITS(pdata, MTL_TCPM1R,
+ PSTC5, pfc_conf->fc.pause_time);
+ break;
+ case 7:
+ AXGMAC_IOWRITE_BITS(pdata, MTL_TCPM1R,
+ PSTC6, pfc_conf->fc.pause_time);
+ break;
+ case 6:
+ AXGMAC_IOWRITE_BITS(pdata, MTL_TCPM1R,
+ PSTC7, pfc_conf->fc.pause_time);
+ break;
+ }
+
+ fc.mode = pfc_conf->fc.mode;
+
+ if (fc.mode == RTE_FC_FULL) {
+ pdata->tx_pause = 1;
+ pdata->rx_pause = 1;
+ AXGMAC_IOWRITE_BITS(pdata, MAC_RFCR, PFCE, 1);
+ } else if (fc.mode == RTE_FC_RX_PAUSE) {
+ pdata->tx_pause = 0;
+ pdata->rx_pause = 1;
+ AXGMAC_IOWRITE_BITS(pdata, MAC_RFCR, PFCE, 1);
+ } else if (fc.mode == RTE_FC_TX_PAUSE) {
+ pdata->tx_pause = 1;
+ pdata->rx_pause = 0;
+ AXGMAC_IOWRITE_BITS(pdata, MAC_RFCR, PFCE, 0);
+ } else {
+ pdata->tx_pause = 0;
+ pdata->rx_pause = 0;
+ AXGMAC_IOWRITE_BITS(pdata, MAC_RFCR, PFCE, 0);
+ }
+
+ if (pdata->tx_pause != (unsigned int)pdata->phy.tx_pause)
+ pdata->hw_if.config_tx_flow_control(pdata);
+
+ if (pdata->rx_pause != (unsigned int)pdata->phy.rx_pause)
+ pdata->hw_if.config_rx_flow_control(pdata);
+ pdata->hw_if.config_flow_control(pdata);
+ pdata->phy.tx_pause = pdata->tx_pause;
+ pdata->phy.rx_pause = pdata->rx_pause;
+
+ return 0;
+}
+
static void axgbe_get_all_hw_features(struct axgbe_port *pdata)
{
unsigned int mac_hfr0, mac_hfr1, mac_hfr2;
--
2.17.1
^ permalink raw reply [flat|nested] 6+ messages in thread
* [dpdk-dev] [PATCH v4 1/2] net/axgbe: support flow control API
@ 2020-03-03 8:19 asomalap
2020-03-16 3:53 ` Kumar, Ravi1
0 siblings, 1 reply; 6+ messages in thread
From: asomalap @ 2020-03-03 8:19 UTC (permalink / raw)
To: dev; +Cc: Ravi1.Kumar
From: Amaranath Somalapuram <asomalap@amd.com>
Adding api for flow_ctrl_get and flow_ctrl_set.
By default axgbe driver flow control is disabled.
Adding dpdk flow control to set water high and low.
Signed-off-by: Amaranath Somalapuram <asomalap@amd.com>
---
drivers/net/axgbe/axgbe_ethdev.c | 84 ++++++++++++++++++++++++++++++++
drivers/net/axgbe/axgbe_ethdev.h | 11 +++++
2 files changed, 95 insertions(+)
diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
index 00974e737..867c4744f 100644
--- a/drivers/net/axgbe/axgbe_ethdev.c
+++ b/drivers/net/axgbe/axgbe_ethdev.c
@@ -47,6 +47,10 @@ axgbe_dev_xstats_get_names_by_id(struct rte_eth_dev *dev,
static int axgbe_dev_xstats_reset(struct rte_eth_dev *dev);
static int axgbe_dev_info_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
+static int axgbe_flow_ctrl_get(struct rte_eth_dev *dev,
+ struct rte_eth_fc_conf *fc_conf);
+static int axgbe_flow_ctrl_set(struct rte_eth_dev *dev,
+ struct rte_eth_fc_conf *fc_conf);
struct axgbe_xstats {
char name[RTE_ETH_XSTATS_NAME_SIZE];
@@ -174,6 +178,8 @@ static const struct eth_dev_ops axgbe_eth_dev_ops = {
.rx_queue_release = axgbe_dev_rx_queue_release,
.tx_queue_setup = axgbe_dev_tx_queue_setup,
.tx_queue_release = axgbe_dev_tx_queue_release,
+ .flow_ctrl_get = axgbe_flow_ctrl_get,
+ .flow_ctrl_set = axgbe_flow_ctrl_set,
};
static int axgbe_phy_reset(struct axgbe_port *pdata)
@@ -843,6 +849,84 @@ axgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
return 0;
}
+static int
+axgbe_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+ struct axgbe_port *pdata = dev->data->dev_private;
+ struct xgbe_fc_info fc = pdata->fc;
+ unsigned int reg, reg_val = 0;
+
+ reg = MAC_Q0TFCR;
+ reg_val = AXGMAC_IOREAD(pdata, reg);
+ fc.low_water[0] = AXGMAC_MTL_IOREAD_BITS(pdata, 0, MTL_Q_RQFCR, RFA);
+ fc.high_water[0] = AXGMAC_MTL_IOREAD_BITS(pdata, 0, MTL_Q_RQFCR, RFD);
+ fc.pause_time[0] = AXGMAC_GET_BITS(reg_val, MAC_Q0TFCR, PT);
+ fc.autoneg = pdata->pause_autoneg;
+
+ if (pdata->rx_pause && pdata->tx_pause)
+ fc.mode = RTE_FC_FULL;
+ else if (pdata->rx_pause)
+ fc.mode = RTE_FC_RX_PAUSE;
+ else if (pdata->tx_pause)
+ fc.mode = RTE_FC_TX_PAUSE;
+ else
+ fc.mode = RTE_FC_NONE;
+
+ fc_conf->high_water = (1024 + (fc.low_water[0] << 9)) / 1024;
+ fc_conf->low_water = (1024 + (fc.high_water[0] << 9)) / 1024;
+ fc_conf->pause_time = fc.pause_time[0];
+ fc_conf->send_xon = fc.send_xon;
+ fc_conf->mode = fc.mode;
+
+ return 0;
+}
+
+static int
+axgbe_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+ struct axgbe_port *pdata = dev->data->dev_private;
+ struct xgbe_fc_info fc = pdata->fc;
+ unsigned int reg, reg_val = 0;
+ reg = MAC_Q0TFCR;
+
+ pdata->pause_autoneg = fc_conf->autoneg;
+ pdata->phy.pause_autoneg = pdata->pause_autoneg;
+ fc.send_xon = fc_conf->send_xon;
+ AXGMAC_MTL_IOWRITE_BITS(pdata, 0, MTL_Q_RQFCR, RFA,
+ AXGMAC_FLOW_CONTROL_VALUE(1024 * fc_conf->high_water));
+ AXGMAC_MTL_IOWRITE_BITS(pdata, 0, MTL_Q_RQFCR, RFD,
+ AXGMAC_FLOW_CONTROL_VALUE(1024 * fc_conf->low_water));
+ AXGMAC_SET_BITS(reg_val, MAC_Q0TFCR, PT, fc_conf->pause_time);
+ AXGMAC_IOWRITE(pdata, reg, reg_val);
+ fc.mode = fc_conf->mode;
+
+ if (fc.mode == RTE_FC_FULL) {
+ pdata->tx_pause = 1;
+ pdata->rx_pause = 1;
+ } else if (fc.mode == RTE_FC_RX_PAUSE) {
+ pdata->tx_pause = 0;
+ pdata->rx_pause = 1;
+ } else if (fc.mode == RTE_FC_TX_PAUSE) {
+ pdata->tx_pause = 1;
+ pdata->rx_pause = 0;
+ } else {
+ pdata->tx_pause = 0;
+ pdata->rx_pause = 0;
+ }
+
+ if (pdata->tx_pause != (unsigned int)pdata->phy.tx_pause)
+ pdata->hw_if.config_tx_flow_control(pdata);
+
+ if (pdata->rx_pause != (unsigned int)pdata->phy.rx_pause)
+ pdata->hw_if.config_rx_flow_control(pdata);
+
+ pdata->hw_if.config_flow_control(pdata);
+ pdata->phy.tx_pause = pdata->tx_pause;
+ pdata->phy.rx_pause = pdata->rx_pause;
+
+ return 0;
+}
+
static void axgbe_get_all_hw_features(struct axgbe_port *pdata)
{
unsigned int mac_hfr0, mac_hfr1, mac_hfr2;
diff --git a/drivers/net/axgbe/axgbe_ethdev.h b/drivers/net/axgbe/axgbe_ethdev.h
index a1083b17b..436d780c9 100644
--- a/drivers/net/axgbe/axgbe_ethdev.h
+++ b/drivers/net/axgbe/axgbe_ethdev.h
@@ -485,6 +485,16 @@ struct axgbe_mmc_stats {
uint64_t rxwatchdogerror;
};
+/* Flow control parameters */
+struct xgbe_fc_info {
+ uint32_t high_water[AXGBE_PRIORITY_QUEUES];
+ uint32_t low_water[AXGBE_PRIORITY_QUEUES];
+ uint16_t pause_time[AXGBE_PRIORITY_QUEUES];
+ uint16_t send_xon;
+ enum rte_eth_fc_mode mode;
+ uint8_t autoneg;
+};
+
/*
* Structure to store private data for each port.
*/
@@ -625,6 +635,7 @@ struct axgbe_port {
uint32_t rx_csum_enable;
struct axgbe_mmc_stats mmc_stats;
+ struct xgbe_fc_info fc;
};
void axgbe_init_function_ptrs_dev(struct axgbe_hw_if *hw_if);
--
2.17.1
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [dpdk-dev] [PATCH v4 1/2] net/axgbe: support flow control API
2020-03-03 8:19 [dpdk-dev] [PATCH v4 1/2] net/axgbe: support " asomalap
@ 2020-03-16 3:53 ` Kumar, Ravi1
2020-03-16 12:52 ` Ferruh Yigit
0 siblings, 1 reply; 6+ messages in thread
From: Kumar, Ravi1 @ 2020-03-16 3:53 UTC (permalink / raw)
To: Somalapuram, Amaranath, dev
[AMD Public Use]
For series,
Acked-by: Ravi Kumar <ravi1.kumar@amd.com>
>From: Amaranath Somalapuram <asomalap@amd.com>
>
>Adding api for flow_ctrl_get and flow_ctrl_set.
>By default axgbe driver flow control is disabled.
>Adding dpdk flow control to set water high and low.
>
>Signed-off-by: Amaranath Somalapuram <asomalap@amd.com>
>---
> drivers/net/axgbe/axgbe_ethdev.c | 84 ++++++++++++++++++++++++++++++++ drivers/net/axgbe/axgbe_ethdev.h | 11 +++++
> 2 files changed, 95 insertions(+)
>
>diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
>index 00974e737..867c4744f 100644
>--- a/drivers/net/axgbe/axgbe_ethdev.c
>+++ b/drivers/net/axgbe/axgbe_ethdev.c
>@@ -47,6 +47,10 @@ axgbe_dev_xstats_get_names_by_id(struct rte_eth_dev *dev, static int axgbe_dev_xstats_reset(struct rte_eth_dev *dev); static int axgbe_dev_info_get(struct rte_eth_dev *dev,
> struct rte_eth_dev_info *dev_info);
>+static int axgbe_flow_ctrl_get(struct rte_eth_dev *dev,
>+ struct rte_eth_fc_conf *fc_conf);
>+static int axgbe_flow_ctrl_set(struct rte_eth_dev *dev,
>+ struct rte_eth_fc_conf *fc_conf);
>
> struct axgbe_xstats {
> char name[RTE_ETH_XSTATS_NAME_SIZE];
>@@ -174,6 +178,8 @@ static const struct eth_dev_ops axgbe_eth_dev_ops = {
> .rx_queue_release = axgbe_dev_rx_queue_release,
> .tx_queue_setup = axgbe_dev_tx_queue_setup,
> .tx_queue_release = axgbe_dev_tx_queue_release,
>+ .flow_ctrl_get = axgbe_flow_ctrl_get,
>+ .flow_ctrl_set = axgbe_flow_ctrl_set,
> };
>
> static int axgbe_phy_reset(struct axgbe_port *pdata) @@ -843,6 +849,84 @@ axgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
> return 0;
> }
>
>+static int
>+axgbe_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf
>+*fc_conf) {
>+ struct axgbe_port *pdata = dev->data->dev_private;
>+ struct xgbe_fc_info fc = pdata->fc;
>+ unsigned int reg, reg_val = 0;
>+
>+ reg = MAC_Q0TFCR;
>+ reg_val = AXGMAC_IOREAD(pdata, reg);
>+ fc.low_water[0] = AXGMAC_MTL_IOREAD_BITS(pdata, 0, MTL_Q_RQFCR, RFA);
>+ fc.high_water[0] = AXGMAC_MTL_IOREAD_BITS(pdata, 0, MTL_Q_RQFCR, RFD);
>+ fc.pause_time[0] = AXGMAC_GET_BITS(reg_val, MAC_Q0TFCR, PT);
>+ fc.autoneg = pdata->pause_autoneg;
>+
>+ if (pdata->rx_pause && pdata->tx_pause)
>+ fc.mode = RTE_FC_FULL;
>+ else if (pdata->rx_pause)
>+ fc.mode = RTE_FC_RX_PAUSE;
>+ else if (pdata->tx_pause)
>+ fc.mode = RTE_FC_TX_PAUSE;
>+ else
>+ fc.mode = RTE_FC_NONE;
>+
>+ fc_conf->high_water = (1024 + (fc.low_water[0] << 9)) / 1024;
>+ fc_conf->low_water = (1024 + (fc.high_water[0] << 9)) / 1024;
>+ fc_conf->pause_time = fc.pause_time[0];
>+ fc_conf->send_xon = fc.send_xon;
>+ fc_conf->mode = fc.mode;
>+
>+ return 0;
>+}
>+
>+static int
>+axgbe_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf
>+*fc_conf) {
>+ struct axgbe_port *pdata = dev->data->dev_private;
>+ struct xgbe_fc_info fc = pdata->fc;
>+ unsigned int reg, reg_val = 0;
>+ reg = MAC_Q0TFCR;
>+
>+ pdata->pause_autoneg = fc_conf->autoneg;
>+ pdata->phy.pause_autoneg = pdata->pause_autoneg;
>+ fc.send_xon = fc_conf->send_xon;
>+ AXGMAC_MTL_IOWRITE_BITS(pdata, 0, MTL_Q_RQFCR, RFA,
>+ AXGMAC_FLOW_CONTROL_VALUE(1024 * fc_conf->high_water));
>+ AXGMAC_MTL_IOWRITE_BITS(pdata, 0, MTL_Q_RQFCR, RFD,
>+ AXGMAC_FLOW_CONTROL_VALUE(1024 * fc_conf->low_water));
>+ AXGMAC_SET_BITS(reg_val, MAC_Q0TFCR, PT, fc_conf->pause_time);
>+ AXGMAC_IOWRITE(pdata, reg, reg_val);
>+ fc.mode = fc_conf->mode;
>+
>+ if (fc.mode == RTE_FC_FULL) {
>+ pdata->tx_pause = 1;
>+ pdata->rx_pause = 1;
>+ } else if (fc.mode == RTE_FC_RX_PAUSE) {
>+ pdata->tx_pause = 0;
>+ pdata->rx_pause = 1;
>+ } else if (fc.mode == RTE_FC_TX_PAUSE) {
>+ pdata->tx_pause = 1;
>+ pdata->rx_pause = 0;
>+ } else {
>+ pdata->tx_pause = 0;
>+ pdata->rx_pause = 0;
>+ }
>+
>+ if (pdata->tx_pause != (unsigned int)pdata->phy.tx_pause)
>+ pdata->hw_if.config_tx_flow_control(pdata);
>+
>+ if (pdata->rx_pause != (unsigned int)pdata->phy.rx_pause)
>+ pdata->hw_if.config_rx_flow_control(pdata);
>+
>+ pdata->hw_if.config_flow_control(pdata);
>+ pdata->phy.tx_pause = pdata->tx_pause;
>+ pdata->phy.rx_pause = pdata->rx_pause;
>+
>+ return 0;
>+}
>+
> static void axgbe_get_all_hw_features(struct axgbe_port *pdata) {
> unsigned int mac_hfr0, mac_hfr1, mac_hfr2; diff --git a/drivers/net/axgbe/axgbe_ethdev.h b/drivers/net/axgbe/axgbe_ethdev.h
>index a1083b17b..436d780c9 100644
>--- a/drivers/net/axgbe/axgbe_ethdev.h
>+++ b/drivers/net/axgbe/axgbe_ethdev.h
>@@ -485,6 +485,16 @@ struct axgbe_mmc_stats {
> uint64_t rxwatchdogerror;
> };
>
>+/* Flow control parameters */
>+struct xgbe_fc_info {
>+ uint32_t high_water[AXGBE_PRIORITY_QUEUES];
>+ uint32_t low_water[AXGBE_PRIORITY_QUEUES];
>+ uint16_t pause_time[AXGBE_PRIORITY_QUEUES];
>+ uint16_t send_xon;
>+ enum rte_eth_fc_mode mode;
>+ uint8_t autoneg;
>+};
>+
> /*
> * Structure to store private data for each port.
> */
>@@ -625,6 +635,7 @@ struct axgbe_port {
> uint32_t rx_csum_enable;
>
> struct axgbe_mmc_stats mmc_stats;
>+ struct xgbe_fc_info fc;
> };
>
> void axgbe_init_function_ptrs_dev(struct axgbe_hw_if *hw_if);
>--
>2.17.1
>
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [dpdk-dev] [PATCH v4 1/2] net/axgbe: support flow control API
2020-03-16 3:53 ` Kumar, Ravi1
@ 2020-03-16 12:52 ` Ferruh Yigit
0 siblings, 0 replies; 6+ messages in thread
From: Ferruh Yigit @ 2020-03-16 12:52 UTC (permalink / raw)
To: Kumar, Ravi1, Somalapuram, Amaranath, dev
On 3/16/2020 3:53 AM, Kumar, Ravi1 wrote:
<...>>> From: Amaranath Somalapuram <asomalap@amd.com>
>>
>> Adding api for flow_ctrl_get and flow_ctrl_set.
>> By default axgbe driver flow control is disabled.
>> Adding dpdk flow control to set water high and low.
>>
>> Signed-off-by: Amaranath Somalapuram <asomalap@amd.com>
>
> For series,
> Acked-by: Ravi Kumar <ravi1.kumar@amd.com>
>
Series applied to dpdk-next-net/master, thanks.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [dpdk-dev] [PATCH v4 1/2] net/axgbe: support flow control API
@ 2020-03-02 7:46 asomalap
0 siblings, 0 replies; 6+ messages in thread
From: asomalap @ 2020-03-02 7:46 UTC (permalink / raw)
To: dev; +Cc: Ravi1.Kumar
From: Amaranath Somalapuram <asomalap@amd.com>
Adding api for flow_ctrl_get and flow_ctrl_set.
By default axgbe driver flow control is disabled.
Adding dpdk flow control to set water high and low.
Signed-off-by: Amaranath Somalapuram <asomalap@amd.com>
---
drivers/net/axgbe/axgbe_ethdev.c | 84 ++++++++++++++++++++++++++++++++
drivers/net/axgbe/axgbe_ethdev.h | 10 ++++
2 files changed, 94 insertions(+)
diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
index 00974e737..867c4744f 100644
--- a/drivers/net/axgbe/axgbe_ethdev.c
+++ b/drivers/net/axgbe/axgbe_ethdev.c
@@ -47,6 +47,10 @@ axgbe_dev_xstats_get_names_by_id(struct rte_eth_dev *dev,
static int axgbe_dev_xstats_reset(struct rte_eth_dev *dev);
static int axgbe_dev_info_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
+static int axgbe_flow_ctrl_get(struct rte_eth_dev *dev,
+ struct rte_eth_fc_conf *fc_conf);
+static int axgbe_flow_ctrl_set(struct rte_eth_dev *dev,
+ struct rte_eth_fc_conf *fc_conf);
struct axgbe_xstats {
char name[RTE_ETH_XSTATS_NAME_SIZE];
@@ -174,6 +178,8 @@ static const struct eth_dev_ops axgbe_eth_dev_ops = {
.rx_queue_release = axgbe_dev_rx_queue_release,
.tx_queue_setup = axgbe_dev_tx_queue_setup,
.tx_queue_release = axgbe_dev_tx_queue_release,
+ .flow_ctrl_get = axgbe_flow_ctrl_get,
+ .flow_ctrl_set = axgbe_flow_ctrl_set,
};
static int axgbe_phy_reset(struct axgbe_port *pdata)
@@ -843,6 +849,84 @@ axgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
return 0;
}
+static int
+axgbe_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+ struct axgbe_port *pdata = dev->data->dev_private;
+ struct xgbe_fc_info fc = pdata->fc;
+ unsigned int reg, reg_val = 0;
+
+ reg = MAC_Q0TFCR;
+ reg_val = AXGMAC_IOREAD(pdata, reg);
+ fc.low_water[0] = AXGMAC_MTL_IOREAD_BITS(pdata, 0, MTL_Q_RQFCR, RFA);
+ fc.high_water[0] = AXGMAC_MTL_IOREAD_BITS(pdata, 0, MTL_Q_RQFCR, RFD);
+ fc.pause_time[0] = AXGMAC_GET_BITS(reg_val, MAC_Q0TFCR, PT);
+ fc.autoneg = pdata->pause_autoneg;
+
+ if (pdata->rx_pause && pdata->tx_pause)
+ fc.mode = RTE_FC_FULL;
+ else if (pdata->rx_pause)
+ fc.mode = RTE_FC_RX_PAUSE;
+ else if (pdata->tx_pause)
+ fc.mode = RTE_FC_TX_PAUSE;
+ else
+ fc.mode = RTE_FC_NONE;
+
+ fc_conf->high_water = (1024 + (fc.low_water[0] << 9)) / 1024;
+ fc_conf->low_water = (1024 + (fc.high_water[0] << 9)) / 1024;
+ fc_conf->pause_time = fc.pause_time[0];
+ fc_conf->send_xon = fc.send_xon;
+ fc_conf->mode = fc.mode;
+
+ return 0;
+}
+
+static int
+axgbe_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+ struct axgbe_port *pdata = dev->data->dev_private;
+ struct xgbe_fc_info fc = pdata->fc;
+ unsigned int reg, reg_val = 0;
+ reg = MAC_Q0TFCR;
+
+ pdata->pause_autoneg = fc_conf->autoneg;
+ pdata->phy.pause_autoneg = pdata->pause_autoneg;
+ fc.send_xon = fc_conf->send_xon;
+ AXGMAC_MTL_IOWRITE_BITS(pdata, 0, MTL_Q_RQFCR, RFA,
+ AXGMAC_FLOW_CONTROL_VALUE(1024 * fc_conf->high_water));
+ AXGMAC_MTL_IOWRITE_BITS(pdata, 0, MTL_Q_RQFCR, RFD,
+ AXGMAC_FLOW_CONTROL_VALUE(1024 * fc_conf->low_water));
+ AXGMAC_SET_BITS(reg_val, MAC_Q0TFCR, PT, fc_conf->pause_time);
+ AXGMAC_IOWRITE(pdata, reg, reg_val);
+ fc.mode = fc_conf->mode;
+
+ if (fc.mode == RTE_FC_FULL) {
+ pdata->tx_pause = 1;
+ pdata->rx_pause = 1;
+ } else if (fc.mode == RTE_FC_RX_PAUSE) {
+ pdata->tx_pause = 0;
+ pdata->rx_pause = 1;
+ } else if (fc.mode == RTE_FC_TX_PAUSE) {
+ pdata->tx_pause = 1;
+ pdata->rx_pause = 0;
+ } else {
+ pdata->tx_pause = 0;
+ pdata->rx_pause = 0;
+ }
+
+ if (pdata->tx_pause != (unsigned int)pdata->phy.tx_pause)
+ pdata->hw_if.config_tx_flow_control(pdata);
+
+ if (pdata->rx_pause != (unsigned int)pdata->phy.rx_pause)
+ pdata->hw_if.config_rx_flow_control(pdata);
+
+ pdata->hw_if.config_flow_control(pdata);
+ pdata->phy.tx_pause = pdata->tx_pause;
+ pdata->phy.rx_pause = pdata->rx_pause;
+
+ return 0;
+}
+
static void axgbe_get_all_hw_features(struct axgbe_port *pdata)
{
unsigned int mac_hfr0, mac_hfr1, mac_hfr2;
diff --git a/drivers/net/axgbe/axgbe_ethdev.h b/drivers/net/axgbe/axgbe_ethdev.h
index a1083b17b..746fb2f15 100644
--- a/drivers/net/axgbe/axgbe_ethdev.h
+++ b/drivers/net/axgbe/axgbe_ethdev.h
@@ -485,6 +485,15 @@ struct axgbe_mmc_stats {
uint64_t rxwatchdogerror;
};
+/* Flow control parameters */
+struct xgbe_fc_info {
+ uint32_t high_water[AXGBE_PRIORITY_QUEUES];
+ uint32_t low_water[AXGBE_PRIORITY_QUEUES];
+ uint16_t pause_time[AXGBE_PRIORITY_QUEUES];
+ uint16_t send_xon;
+ enum rte_eth_fc_mode mode;
+ uint8_t autoneg;
+};
/*
* Structure to store private data for each port.
*/
@@ -625,6 +634,7 @@ struct axgbe_port {
uint32_t rx_csum_enable;
struct axgbe_mmc_stats mmc_stats;
+ struct xgbe_fc_info fc;
};
void axgbe_init_function_ptrs_dev(struct axgbe_hw_if *hw_if);
--
2.17.1
^ permalink raw reply [flat|nested] 6+ messages in thread
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2020-03-02 8:15 [dpdk-dev] [PATCH v4 1/2] net/axgbe: support flow control API asomalap
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2020-03-03 8:19 [dpdk-dev] [PATCH v4 1/2] net/axgbe: support " asomalap
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2020-03-02 7:46 asomalap
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