[dpdk-dev] [PATCH v2 2/7] net/failsafe: check code of allmulticast mode switch
Andrew Rybchenko
arybchenko at solarflare.com
Tue Sep 24 14:56:08 CEST 2019
m>
<1569329773-10185-1-git-send-email-arybchenko at solarflare.com>
From: Ivan Ilchenko <Ivan.Ilchenko at oktetlabs.ru>
rte_eth_allmulticast_enable()/rte_eth_allmulticast_disable() return
value was changed from void to int, so this patch modify usage
of these functions across net/failsafe according to new return type.
Try to keep all-multicast mode consistent across all active
devices in the case of failure.
Signed-off-by: Ivan Ilchenko <Ivan.Ilchenko at oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
Acked-by: Gaetan Rivet <gaetan.rivet at 6wind.com>
---
drivers/net/failsafe/failsafe_ether.c | 8 +++--
drivers/net/failsafe/failsafe_ops.c | 44 ++++++++++++++++++++++++---
2 files changed, 46 insertions(+), 6 deletions(-)
diff --git a/drivers/net/failsafe/failsafe_ether.c b/drivers/net/failsafe/failsafe_ether.c
index bd38f1c1e..93deacd13 100644
--- a/drivers/net/failsafe/failsafe_ether.c
+++ b/drivers/net/failsafe/failsafe_ether.c
@@ -140,9 +140,13 @@ fs_eth_dev_conf_apply(struct rte_eth_dev *dev,
if (dev->data->all_multicast != edev->data->all_multicast) {
DEBUG("Configuring all_multicast");
if (dev->data->all_multicast)
- rte_eth_allmulticast_enable(PORT_ID(sdev));
+ ret = rte_eth_allmulticast_enable(PORT_ID(sdev));
else
- rte_eth_allmulticast_disable(PORT_ID(sdev));
+ ret = rte_eth_allmulticast_disable(PORT_ID(sdev));
+ if (ret != 0) {
+ ERROR("Failed to apply allmulticast mode");
+ return ret;
+ }
} else {
DEBUG("all_multicast already set");
}
diff --git a/drivers/net/failsafe/failsafe_ops.c b/drivers/net/failsafe/failsafe_ops.c
index 91aa56c6f..b382661ff 100644
--- a/drivers/net/failsafe/failsafe_ops.c
+++ b/drivers/net/failsafe/failsafe_ops.c
@@ -723,10 +723,28 @@ fs_allmulticast_enable(struct rte_eth_dev *dev)
{
struct sub_device *sdev;
uint8_t i;
+ int ret = 0;
fs_lock(dev, 0);
- FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
- rte_eth_allmulticast_enable(PORT_ID(sdev));
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ ret = rte_eth_allmulticast_enable(PORT_ID(sdev));
+ ret = fs_err(sdev, ret);
+ if (ret != 0) {
+ ERROR("All-multicast mode enable failed for subdevice %d",
+ PORT_ID(sdev));
+ break;
+ }
+ }
+ if (ret != 0) {
+ /* Rollback in the case of failure */
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ ret = rte_eth_allmulticast_disable(PORT_ID(sdev));
+ ret = fs_err(sdev, ret);
+ if (ret != 0)
+ ERROR("All-multicast mode disable during rollback failed for subdevice %d",
+ PORT_ID(sdev));
+ }
+ }
fs_unlock(dev, 0);
}
@@ -735,10 +753,28 @@ fs_allmulticast_disable(struct rte_eth_dev *dev)
{
struct sub_device *sdev;
uint8_t i;
+ int ret = 0;
fs_lock(dev, 0);
- FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
- rte_eth_allmulticast_disable(PORT_ID(sdev));
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ ret = rte_eth_allmulticast_disable(PORT_ID(sdev));
+ ret = fs_err(sdev, ret);
+ if (ret != 0) {
+ ERROR("All-multicast mode disable failed for subdevice %d",
+ PORT_ID(sdev));
+ break;
+ }
+ }
+ if (ret != 0) {
+ /* Rollback in the case of failure */
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ ret = rte_eth_allmulticast_enable(PORT_ID(sdev));
+ ret = fs_err(sdev, ret);
+ if (ret != 0)
+ ERROR("All-multicast mode enable during rollback failed for subdevice %d",
+ PORT_ID(sdev));
+ }
+ }
fs_unlock(dev, 0);
}
--
2.17.1
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