[dpdk-dev] [PATCH 04/18] net/bonding: check status of getting link info
Andrew Rybchenko
arybchenko at solarflare.com
Tue Sep 10 10:25:44 CEST 2019
From: Igor Romanov <igor.romanov at oktetlabs.ru>
The return value of rte_eth_link_get() and rte_eth_link_get_nowait()
was changed from void to int. Update the usage of the functions
according to the new return type.
Signed-off-by: Igor Romanov <igor.romanov at oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
drivers/net/bonding/rte_eth_bond_8023ad.c | 24 +++++++---
drivers/net/bonding/rte_eth_bond_api.c | 19 ++++++--
drivers/net/bonding/rte_eth_bond_pmd.c | 55 ++++++++++++++++++++---
3 files changed, 83 insertions(+), 15 deletions(-)
diff --git a/drivers/net/bonding/rte_eth_bond_8023ad.c b/drivers/net/bonding/rte_eth_bond_8023ad.c
index e64fb6e41..e50d946eb 100644
--- a/drivers/net/bonding/rte_eth_bond_8023ad.c
+++ b/drivers/net/bonding/rte_eth_bond_8023ad.c
@@ -675,6 +675,7 @@ selection_logic(struct bond_dev_private *internals, uint16_t slave_id)
uint16_t default_slave = 0;
uint8_t mode_count_id, mode_band_id;
struct rte_eth_link link_info;
+ int ret;
slaves = internals->active_slaves;
slaves_count = internals->active_slave_count;
@@ -687,8 +688,14 @@ selection_logic(struct bond_dev_private *internals, uint16_t slave_id)
if (agg->aggregator_port_id != slaves[i])
continue;
+ ret = rte_eth_link_get_nowait(slaves[i], &link_info);
+ if (ret < 0) {
+ RTE_BOND_LOG(ERR,
+ "Slave (port %u) link get failed: %s\n",
+ slaves[i], rte_strerror(-ret));
+ continue;
+ }
agg_count[agg->aggregator_port_id] += 1;
- rte_eth_link_get_nowait(slaves[i], &link_info);
agg_bandwidth[agg->aggregator_port_id] += link_info.link_speed;
/* Actors system ID is not checked since all slave device have the same
@@ -821,18 +828,25 @@ bond_mode_8023ad_periodic_cb(void *arg)
/* Update link status on each port */
for (i = 0; i < internals->active_slave_count; i++) {
uint16_t key;
+ int ret;
slave_id = internals->active_slaves[i];
- rte_eth_link_get_nowait(slave_id, &link_info);
- rte_eth_macaddr_get(slave_id, &slave_addr);
+ ret = rte_eth_link_get_nowait(slave_id, &link_info);
+ if (ret < 0) {
+ RTE_BOND_LOG(ERR,
+ "Slave (port %u) link get failed: %s\n",
+ slave_id, rte_strerror(-ret));
+ }
- if (link_info.link_status != 0) {
+ if (ret >= 0 && link_info.link_status != 0) {
key = link_speed_key(link_info.link_speed) << 1;
if (link_info.link_duplex == ETH_LINK_FULL_DUPLEX)
key |= BOND_LINK_FULL_DUPLEX_KEY;
- } else
+ } else {
key = 0;
+ }
+ rte_eth_macaddr_get(slave_id, &slave_addr);
port = &bond_mode_8023ad_ports[slave_id];
key = rte_cpu_to_be_16(key);
diff --git a/drivers/net/bonding/rte_eth_bond_api.c b/drivers/net/bonding/rte_eth_bond_api.c
index e2e27e9f2..2cef88720 100644
--- a/drivers/net/bonding/rte_eth_bond_api.c
+++ b/drivers/net/bonding/rte_eth_bond_api.c
@@ -557,9 +557,6 @@ __eth_bond_slave_add_lock_free(uint16_t bonded_port_id, uint16_t slave_port_id)
}
}
- /* Add slave details to bonded device */
- slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
-
/* Update all slave devices MACs */
mac_address_slaves_update(bonded_eth_dev);
@@ -571,7 +568,18 @@ __eth_bond_slave_add_lock_free(uint16_t bonded_port_id, uint16_t slave_port_id)
/* If bonded device is started then we can add the slave to our active
* slave array */
if (bonded_eth_dev->data->dev_started) {
- rte_eth_link_get_nowait(slave_port_id, &link_props);
+ ret = rte_eth_link_get_nowait(slave_port_id, &link_props);
+ if (ret < 0) {
+ rte_eth_dev_callback_unregister(slave_port_id,
+ RTE_ETH_EVENT_INTR_LSC,
+ bond_ethdev_lsc_event_callback,
+ &bonded_eth_dev->data->port_id);
+ internals->slave_count--;
+ RTE_BOND_LOG(ERR,
+ "Slave (port %u) link get failed: %s\n",
+ slave_port_id, rte_strerror(-ret));
+ return -1;
+ }
if (link_props.link_status == ETH_LINK_UP) {
if (internals->active_slave_count == 0 &&
@@ -581,6 +589,9 @@ __eth_bond_slave_add_lock_free(uint16_t bonded_port_id, uint16_t slave_port_id)
}
}
+ /* Add slave details to bonded device */
+ slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
+
slave_vlan_filter_set(bonded_port_id, slave_port_id);
return 0;
diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
index 9316f93f7..a2d13d95c 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -846,8 +846,14 @@ bandwidth_left(uint16_t port_id, uint64_t load, uint8_t update_idx,
struct bwg_slave *bwg_slave)
{
struct rte_eth_link link_status;
+ int ret;
- rte_eth_link_get_nowait(port_id, &link_status);
+ ret = rte_eth_link_get_nowait(port_id, &link_status);
+ if (ret < 0) {
+ RTE_BOND_LOG(ERR, "Slave (port %u) link get failed: %s",
+ port_id, rte_strerror(-ret));
+ return;
+ }
uint64_t link_bwg = link_status.link_speed * 1000000ULL / 8;
if (link_bwg == 0)
return;
@@ -2363,7 +2369,9 @@ bond_ethdev_link_update(struct rte_eth_dev *ethdev, int wait_to_complete)
struct bond_dev_private *bond_ctx;
struct rte_eth_link slave_link;
+ bool one_link_update_succeeded;
uint32_t idx;
+ int ret;
bond_ctx = ethdev->data->dev_private;
@@ -2396,7 +2404,17 @@ bond_ethdev_link_update(struct rte_eth_dev *ethdev, int wait_to_complete)
* greater than this are attempted
*/
for (idx = 0; idx < bond_ctx->active_slave_count; idx++) {
- link_update(bond_ctx->active_slaves[idx], &slave_link);
+ ret = link_update(bond_ctx->active_slaves[idx],
+ &slave_link);
+ if (ret < 0) {
+ ethdev->data->dev_link.link_speed =
+ ETH_SPEED_NUM_NONE;
+ RTE_BOND_LOG(ERR,
+ "Slave (port %u) link get failed: %s",
+ bond_ctx->active_slaves[idx],
+ rte_strerror(-ret));
+ return 0;
+ }
if (slave_link.link_speed <
ethdev->data->dev_link.link_speed)
@@ -2406,7 +2424,13 @@ bond_ethdev_link_update(struct rte_eth_dev *ethdev, int wait_to_complete)
break;
case BONDING_MODE_ACTIVE_BACKUP:
/* Current primary slave */
- link_update(bond_ctx->current_primary_port, &slave_link);
+ ret = link_update(bond_ctx->current_primary_port, &slave_link);
+ if (ret < 0) {
+ RTE_BOND_LOG(ERR, "Slave (port %u) link get failed: %s",
+ bond_ctx->current_primary_port,
+ rte_strerror(-ret));
+ return 0;
+ }
ethdev->data->dev_link.link_speed = slave_link.link_speed;
break;
@@ -2426,13 +2450,28 @@ bond_ethdev_link_update(struct rte_eth_dev *ethdev, int wait_to_complete)
* of all the slaves
*/
ethdev->data->dev_link.link_speed = ETH_SPEED_NUM_NONE;
+ one_link_update_succeeded = false;
for (idx = 0; idx < bond_ctx->active_slave_count; idx++) {
- link_update(bond_ctx->active_slaves[idx], &slave_link);
+ ret = link_update(bond_ctx->active_slaves[idx],
+ &slave_link);
+ if (ret < 0) {
+ RTE_BOND_LOG(ERR,
+ "Slave (port %u) link get failed: %s",
+ bond_ctx->active_slaves[idx],
+ rte_strerror(-ret));
+ continue;
+ }
+ one_link_update_succeeded = true;
ethdev->data->dev_link.link_speed +=
slave_link.link_speed;
}
+
+ if (!one_link_update_succeeded) {
+ RTE_BOND_LOG(ERR, "All slaves link get failed");
+ return 0;
+ }
}
@@ -2734,6 +2773,7 @@ bond_ethdev_lsc_event_callback(uint16_t port_id, enum rte_eth_event_type type,
struct bond_dev_private *internals;
struct rte_eth_link link;
int rc = -1;
+ int ret;
uint8_t lsc_flag = 0;
int valid_slave = 0;
@@ -2774,8 +2814,11 @@ bond_ethdev_lsc_event_callback(uint16_t port_id, enum rte_eth_event_type type,
active_pos = find_slave_by_id(internals->active_slaves,
internals->active_slave_count, port_id);
- rte_eth_link_get_nowait(port_id, &link);
- if (link.link_status) {
+ ret = rte_eth_link_get_nowait(port_id, &link);
+ if (ret < 0)
+ RTE_BOND_LOG(ERR, "Slave (port %u) link get failed", port_id);
+
+ if (ret == 0 && link.link_status) {
if (active_pos < internals->active_slave_count)
goto link_update;
--
2.17.1
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