search for: net_failover_op

On Mon, 7 May 2018 15:10:44 -0700 Sridhar Samudrala <sridhar.samudrala at intel.com> wrote: > +static struct net_device *net_failover_get_bymac(u8 *mac, > + struct net_failover_ops **ops) > +{ > + struct net_device *failover_dev; > + struct net_failover *failover; > + > + spin_lock(&net_failover_lock); > + list_for_each_entry(failover, &net_failover_list, list) { > + failover_dev = rtnl_dereference(failover->failover_dev); > + if (ether_a...

On Mon, 7 May 2018 15:10:44 -0700 Sridhar Samudrala <sridhar.samudrala at intel.com> wrote: > +static struct net_device *net_failover_get_bymac(u8 *mac, > + struct net_failover_ops **ops) > +{ > + struct net_device *failover_dev; > + struct net_failover *failover; > + > + spin_lock(&net_failover_lock); > + list_for_each_entry(failover, &net_failover_list, list) { > + failover_dev = rtnl_dereference(failover->failover_dev); > + if (ether_a...

...file mode 100644 index 000000000000..221c2aff7531 --- /dev/null +++ b/include/net/net_failover.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2018, Intel Corporation. */ + +#ifndef _NET_FAILOVER_H +#define _NET_FAILOVER_H + +#include <linux/netdevice.h> + +struct net_failover_ops { + int (*slave_register)(struct net_device *slave_dev, + struct net_device *failover_dev); + int (*slave_unregister)(struct net_device *slave_dev, + struct net_device *failover_dev); + int (*slave_link_change)(struct net_device *slave_dev, + struct net_device *failover_dev); +}; +...

This is another update based on feedback from MST and Stephen on the last patchset. Hopefully this series can be integrated and any further enhancements can be made on top of this patchset. v8: - Made the failover managment routines more robust by updating the feature bits/other fields in the failover netdev when slave netdevs are registered/unregistered. (mst) - added support for handling

...ied static ip and dhcp configurations using 'network' scripts and Network Manager. - To avoid dhcp requests to be sent over the lower 'standby' and 'primary' netdevs, ifcfg-xxx scripts for the lower devices can be created. - Build tested netvsc module. Updates: - fix net_failover_open() to update failover CARRIER correctly based on standby and primary states. - fix net_failover_handle_frame() to handle frames received on standby when primary is present. - replace netdev_upper_dev_link with netdev_master_upper_dev_link and handle lower dev state changes. - fix net_failve...

On 5/7/2018 4:53 PM, Stephen Hemminger wrote: > On Mon, 7 May 2018 15:10:44 -0700 > Sridhar Samudrala <sridhar.samudrala at intel.com> wrote: > >> +static struct net_device *net_failover_get_bymac(u8 *mac, >> + struct net_failover_ops **ops) >> +{ >> + struct net_device *failover_dev; >> + struct net_failover *failover; >> + >> + spin_lock(&net_failover_lock); >> + list_for_each_entry(failover, &net_failover_list, list) { >> + failover_dev = rtnl_dereference(failover->failov...

...= get_netvsc_byref(vf_netdev); - if (!ndev) - return NOTIFY_DONE; - net_device_ctx = netdev_priv(ndev); cancel_delayed_work_sync(&net_device_ctx->vf_takeover); @@ -1993,6 +1937,12 @@ static int netvsc_unregister_vf(struct net_device *vf_netdev) return NOTIFY_OK; } +static struct net_failover_ops netvsc_failover_ops = { + .slave_register = netvsc_register_vf, + .slave_unregister = netvsc_unregister_vf, + .slave_link_change = netvsc_vf_changed, +}; + static int netvsc_probe(struct hv_device *dev, const struct hv_vmbus_device_id *dev_id) { @@ -2082,8 +2032,15 @@ static int netvsc_prob...

...= get_netvsc_byref(vf_netdev); - if (!ndev) - return NOTIFY_DONE; - net_device_ctx = netdev_priv(ndev); cancel_delayed_work_sync(&net_device_ctx->vf_takeover); @@ -1993,6 +1937,12 @@ static int netvsc_unregister_vf(struct net_device *vf_netdev) return NOTIFY_OK; } +static struct net_failover_ops netvsc_failover_ops = { + .slave_register = netvsc_register_vf, + .slave_unregister = netvsc_unregister_vf, + .slave_link_change = netvsc_vf_changed, +}; + static int netvsc_probe(struct hv_device *dev, const struct hv_vmbus_device_id *dev_id) { @@ -2082,8 +2032,15 @@ static int netvsc_prob...

...if_vlan.h> +#include <linux/pci.h> +#include <net/sch_generic.h> +#include <uapi/linux/if_arp.h> +#include <net/net_failover.h> + +static bool net_failover_xmit_ready(struct net_device *dev) +{ + return netif_running(dev) && netif_carrier_ok(dev); +} + +static int net_failover_open(struct net_device *dev) +{ + struct net_failover_info *nfo_info = netdev_priv(dev); + struct net_device *primary_dev, *standby_dev; + int err; + + primary_dev = rtnl_dereference(nfo_info->primary_dev); + if (primary_dev) { + err = dev_open(primary_dev); + if (err) + goto err_primary_open;...

...ied static ip and dhcp configurations using 'network' scripts and Network Manager. - To avoid dhcp requests to be sent over the lower 'standby' and 'primary' netdevs, ifcfg-xxx scripts for the lower devices can be created. - Build tested netvsc module. Updates: - fix net_failover_open() to update failover CARRIER correctly based on standby and primary states. - fix net_failover_handle_frame() to handle frames received on standby when primary is present. - replace netdev_upper_dev_link with netdev_master_upper_dev_link and handle lower dev state changes. - fix net_failve...

...;failover' module that provides generic failover infrastructure to register a failover instance and listen for slave events. 2. 'net_failover' driver that provides APIs to create/destroy upper netdev and supports 3-netdev model used by virtio-net. - Added documentation v10: - fix net_failover_open() to update failover CARRIER correctly based on standby and primary states. - fix net_failover_handle_frame() to handle frames received on standby when primary is present. - replace netdev_upper_dev_link with netdev_master_upper_dev_link and handle lower dev state changes. - fix net_failve...