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From: Qi Zhang <qi.z.zhang@intel.com>
To: thomas@monjalon.net, gaetan.rivet@6wind.com, anatoly.burakov@intel.com,
arybchenko@solarflare.com
Cc: konstantin.ananyev@intel.com, dev@dpdk.org, bruce.richardson@intel.com,
ferruh.yigit@intel.com, benjamin.h.shelton@intel.com,
narender.vangati@intel.com, Qi Zhang <qi.z.zhang@intel.com>
Date: Fri, 28 Sep 2018 12:23:24 +0800
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<20180928042326.50471-1-qi.z.zhang@intel.com>
Subject: [dpdk-dev] [PATCH v16 4/6] drivers/net: enable hotplug on secondary
process
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Attach port from secondary should ignore devargs since the private
device is not necessary to support. Also previously, detach port on
a secondary process will mess primary process and cause the same
device can't be attached back again. A secondary process should use
rte_eth_dev_release_port_secondary to release a port.
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
drivers/net/af_packet/rte_eth_af_packet.c | 6 ++++--
drivers/net/bonding/rte_eth_bond_pmd.c | 6 ++++--
drivers/net/kni/rte_eth_kni.c | 6 ++++--
drivers/net/null/rte_eth_null.c | 6 ++++--
drivers/net/octeontx/octeontx_ethdev.c | 8 ++++++++
drivers/net/pcap/rte_eth_pcap.c | 6 ++++--
drivers/net/tap/rte_eth_tap.c | 8 +++++---
drivers/net/vhost/rte_eth_vhost.c | 6 ++++--
8 files changed, 37 insertions(+), 15 deletions(-)
diff --git a/drivers/net/af_packet/rte_eth_af_packet.c b/drivers/net/af_packet/rte_eth_af_packet.c
index bc7daed5e..376d76302 100644
--- a/drivers/net/af_packet/rte_eth_af_packet.c
+++ b/drivers/net/af_packet/rte_eth_af_packet.c
@@ -926,8 +926,7 @@ rte_pmd_af_packet_probe(struct rte_vdev_device *dev)
PMD_LOG(INFO, "Initializing pmd_af_packet for %s", name);
- if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
- strlen(rte_vdev_device_args(dev)) == 0) {
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
eth_dev = rte_eth_dev_attach_secondary(name);
if (!eth_dev) {
PMD_LOG(ERR, "Failed to probe %s", name);
@@ -987,6 +986,9 @@ rte_pmd_af_packet_remove(struct rte_vdev_device *dev)
if (eth_dev == NULL)
return -1;
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return rte_eth_dev_release_port_secondary(eth_dev);
+
internals = eth_dev->data->dev_private;
for (q = 0; q < internals->nb_queues; q++) {
rte_free(internals->rx_queue[q].rd);
diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
index 7814258f2..94eed800a 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -3116,8 +3116,7 @@ bond_probe(struct rte_vdev_device *dev)
name = rte_vdev_device_name(dev);
RTE_BOND_LOG(INFO, "Initializing pmd_bond for %s", name);
- if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
- strlen(rte_vdev_device_args(dev)) == 0) {
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
eth_dev = rte_eth_dev_attach_secondary(name);
if (!eth_dev) {
RTE_BOND_LOG(ERR, "Failed to probe %s", name);
@@ -3232,6 +3231,9 @@ bond_remove(struct rte_vdev_device *dev)
if (eth_dev == NULL)
return -ENODEV;
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return rte_eth_dev_release_port_secondary(eth_dev);
+
RTE_ASSERT(eth_dev->device == &dev->device);
internals = eth_dev->data->dev_private;
diff --git a/drivers/net/kni/rte_eth_kni.c b/drivers/net/kni/rte_eth_kni.c
index 8a7015a0b..72f3c16c1 100644
--- a/drivers/net/kni/rte_eth_kni.c
+++ b/drivers/net/kni/rte_eth_kni.c
@@ -410,8 +410,7 @@ eth_kni_probe(struct rte_vdev_device *vdev)
params = rte_vdev_device_args(vdev);
PMD_LOG(INFO, "Initializing eth_kni for %s", name);
- if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
- strlen(params) == 0) {
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
eth_dev = rte_eth_dev_attach_secondary(name);
if (!eth_dev) {
PMD_LOG(ERR, "Failed to probe %s", name);
@@ -464,6 +463,9 @@ eth_kni_remove(struct rte_vdev_device *vdev)
if (eth_dev == NULL)
return -1;
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return rte_eth_dev_release_port_secondary(eth_dev);
+
eth_kni_dev_stop(eth_dev);
internals = eth_dev->data->dev_private;
diff --git a/drivers/net/null/rte_eth_null.c b/drivers/net/null/rte_eth_null.c
index de10b5bdf..1e8237a41 100644
--- a/drivers/net/null/rte_eth_null.c
+++ b/drivers/net/null/rte_eth_null.c
@@ -614,8 +614,7 @@ rte_pmd_null_probe(struct rte_vdev_device *dev)
params = rte_vdev_device_args(dev);
PMD_LOG(INFO, "Initializing pmd_null for %s", name);
- if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
- strlen(params) == 0) {
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
eth_dev = rte_eth_dev_attach_secondary(name);
if (!eth_dev) {
PMD_LOG(ERR, "Failed to probe %s", name);
@@ -680,6 +679,9 @@ rte_pmd_null_remove(struct rte_vdev_device *dev)
if (eth_dev == NULL)
return -1;
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return rte_eth_dev_release_port_secondary(eth_dev);
+
rte_free(eth_dev->data->dev_private);
rte_eth_dev_release_port(eth_dev);
diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c
index 71843c63a..5431b44dc 100644
--- a/drivers/net/octeontx/octeontx_ethdev.c
+++ b/drivers/net/octeontx/octeontx_ethdev.c
@@ -1133,6 +1133,11 @@ octeontx_remove(struct rte_vdev_device *dev)
if (eth_dev == NULL)
return -ENODEV;
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ rte_eth_dev_release_port_secondary(eth_dev);
+ continue;
+ }
+
nic = octeontx_pmd_priv(eth_dev);
rte_event_dev_stop(nic->evdev);
PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
@@ -1143,6 +1148,9 @@ octeontx_remove(struct rte_vdev_device *dev)
rte_event_dev_close(nic->evdev);
}
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
/* Free FC resource */
octeontx_pko_fc_free();
diff --git a/drivers/net/pcap/rte_eth_pcap.c b/drivers/net/pcap/rte_eth_pcap.c
index a015a9d48..8146602a7 100644
--- a/drivers/net/pcap/rte_eth_pcap.c
+++ b/drivers/net/pcap/rte_eth_pcap.c
@@ -1007,8 +1007,7 @@ pmd_pcap_probe(struct rte_vdev_device *dev)
start_cycles = rte_get_timer_cycles();
hz = rte_get_timer_hz();
- if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
- strlen(rte_vdev_device_args(dev)) == 0) {
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
eth_dev = rte_eth_dev_attach_secondary(name);
if (!eth_dev) {
PMD_LOG(ERR, "Failed to probe %s", name);
@@ -1107,6 +1106,9 @@ pmd_pcap_remove(struct rte_vdev_device *dev)
if (eth_dev == NULL)
return -1;
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return rte_eth_dev_release_port_secondary(eth_dev);
+
rte_free(eth_dev->data->dev_private);
rte_eth_dev_release_port(eth_dev);
diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index ad5ae988b..84aaf2410 100644
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -1992,8 +1992,7 @@ rte_pmd_tap_probe(struct rte_vdev_device *dev)
name = rte_vdev_device_name(dev);
params = rte_vdev_device_args(dev);
- if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
- strlen(params) == 0) {
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
eth_dev = rte_eth_dev_attach_secondary(name);
if (!eth_dev) {
TAP_LOG(ERR, "Failed to probe %s", name);
@@ -2075,7 +2074,10 @@ rte_pmd_tap_remove(struct rte_vdev_device *dev)
/* find the ethdev entry */
eth_dev = rte_eth_dev_allocated(rte_vdev_device_name(dev));
if (!eth_dev)
- return 0;
+ return -ENODEV;
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return rte_eth_dev_release_port_secondary(eth_dev);
internals = eth_dev->data->dev_private;
diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
index aa6052221..a7604ff23 100644
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -1344,8 +1344,7 @@ rte_pmd_vhost_probe(struct rte_vdev_device *dev)
VHOST_LOG(INFO, "Initializing pmd_vhost for %s\n", name);
- if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
- strlen(rte_vdev_device_args(dev)) == 0) {
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
eth_dev = rte_eth_dev_attach_secondary(name);
if (!eth_dev) {
VHOST_LOG(ERR, "Failed to probe %s\n", name);
@@ -1436,6 +1435,9 @@ rte_pmd_vhost_remove(struct rte_vdev_device *dev)
if (eth_dev == NULL)
return -ENODEV;
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return rte_eth_dev_release_port_secondary(eth_dev);
+
eth_dev_close(eth_dev);
rte_free(vring_states[eth_dev->data->port_id]);
--
2.13.6