This patch adds link speeds configuration.
---
-v3: add an intersection of the supported speeds to check 'link_speeds'.
-v2: resend due to CI compiling failure.
Signed-off-by: Huisong Li <lihuis...@huawei.com>
---
drivers/net/bonding/eth_bond_private.h | 3 +++
drivers/net/bonding/rte_eth_bond_api.c | 3 +++
drivers/net/bonding/rte_eth_bond_pmd.c | 27 ++++++++++++++++++++++++++
3 files changed, 33 insertions(+)
diff --git a/drivers/net/bonding/eth_bond_private.h
b/drivers/net/bonding/eth_bond_private.h
index 8222e3cd38..d067ea8c9a 100644
--- a/drivers/net/bonding/eth_bond_private.h
+++ b/drivers/net/bonding/eth_bond_private.h
@@ -131,6 +131,9 @@ struct bond_dev_private {
uint32_t link_down_delay_ms;
uint32_t link_up_delay_ms;
+ uint32_t speed_capa;
+ /**< Supported speeds bitmap (RTE_ETH_LINK_SPEED_). */
+
uint16_t nb_rx_queues; /**< Total number of rx queues
*/
uint16_t nb_tx_queues; /**< Total number of tx queues*/
diff --git a/drivers/net/bonding/rte_eth_bond_api.c
b/drivers/net/bonding/rte_eth_bond_api.c
index 4ac191c468..e64ec0ed20 100644
--- a/drivers/net/bonding/rte_eth_bond_api.c
+++ b/drivers/net/bonding/rte_eth_bond_api.c
@@ -513,6 +513,8 @@ __eth_bond_slave_add_lock_free(uint16_t bonded_port_id,
uint16_t slave_port_id)
internals->primary_port = slave_port_id;
internals->current_primary_port = slave_port_id;
+ internals->speed_capa = dev_info.speed_capa;
+
/* Inherit queues settings from first slave */
internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
@@ -527,6 +529,7 @@ __eth_bond_slave_add_lock_free(uint16_t bonded_port_id,
uint16_t slave_port_id)
} else {
int ret;
+ internals->speed_capa &= dev_info.speed_capa;
eth_bond_slave_inherit_dev_info_rx_next(internals, &dev_info);
eth_bond_slave_inherit_dev_info_tx_next(internals, &dev_info);
diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c
b/drivers/net/bonding/rte_eth_bond_pmd.c
index 3191158ca7..0adbf0e1b2 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -1717,6 +1717,8 @@ slave_configure(struct rte_eth_dev *bonded_eth_dev,
slave_eth_dev->data->dev_conf.rxmode.mtu =
bonded_eth_dev->data->dev_conf.rxmode.mtu;
+ slave_eth_dev->data->dev_conf.link_speeds =
+ bonded_eth_dev->data->dev_conf.link_speeds;
slave_eth_dev->data->dev_conf.txmode.offloads |=
bonded_eth_dev->data->dev_conf.txmode.offloads;
@@ -2275,6 +2277,7 @@ bond_ethdev_info(struct rte_eth_dev *dev, struct
rte_eth_dev_info *dev_info)
dev_info->reta_size = internals->reta_size;
dev_info->hash_key_size = internals->rss_key_len;
+ dev_info->speed_capa = internals->speed_capa;
return 0;
}
@@ -3591,6 +3594,7 @@ bond_ethdev_configure(struct rte_eth_dev *dev)
uint64_t offloads;
int arg_count;
uint16_t port_id = dev - rte_eth_devices;
+ uint32_t link_speeds;
uint8_t agg_mode;
static const uint8_t default_rss_key[40] = {
@@ -3659,6 +3663,29 @@ bond_ethdev_configure(struct rte_eth_dev *dev)
dev->data->dev_conf.txmode.offloads = offloads;
}
+ link_speeds = dev->data->dev_conf.link_speeds;
+ /*
+ * The default value of 'link_speeds' is zero. From its definition,
+ * this value actually means auto-negotiation. But not all PMDs support
+ * auto-negotiation. So ignore the check for the auto-negotiation and
+ * only consider fixed speed to reduce the impact on PMDs.
+ */
+ if (link_speeds & RTE_ETH_LINK_SPEED_FIXED) {
+ if ((link_speeds &
+ (internals->speed_capa & ~RTE_ETH_LINK_SPEED_FIXED)) == 0) {
+ RTE_BOND_LOG(ERR, "the fixed speed is not supported by
all slave devices.");
+ return -EINVAL;
+ }
+ /*
+ * Two '1' in binary of 'link_speeds': bit0 and a unique
+ * speed bit.
+ */
+ if (__builtin_popcountl(link_speeds) != 2) {
+ RTE_BOND_LOG(ERR, "please set a unique speed.");
+ return -EINVAL;
+ }
+ }
+
/* set the max_rx_pktlen */
internals->max_rx_pktlen = internals->candidate_max_rx_pktlen;
--
2.22.0
