diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net_repr.c')
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_repr.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c index d540a9dc77b3..1bce8c131bb9 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c @@ -390,3 +390,50 @@ struct nfp_reprs *nfp_reprs_alloc(unsigned int num_reprs) return reprs; } + +int nfp_reprs_resync_phys_ports(struct nfp_app *app) +{ + struct nfp_reprs *reprs, *old_reprs; + struct nfp_repr *repr; + int i; + + old_reprs = + rcu_dereference_protected(app->reprs[NFP_REPR_TYPE_PHYS_PORT], + lockdep_is_held(&app->pf->lock)); + if (!old_reprs) + return 0; + + reprs = nfp_reprs_alloc(old_reprs->num_reprs); + if (!reprs) + return -ENOMEM; + + for (i = 0; i < old_reprs->num_reprs; i++) { + if (!old_reprs->reprs[i]) + continue; + + repr = netdev_priv(old_reprs->reprs[i]); + if (repr->port->type == NFP_PORT_INVALID) + continue; + + reprs->reprs[i] = old_reprs->reprs[i]; + } + + old_reprs = nfp_app_reprs_set(app, NFP_REPR_TYPE_PHYS_PORT, reprs); + synchronize_rcu(); + + /* Now we free up removed representors */ + for (i = 0; i < old_reprs->num_reprs; i++) { + if (!old_reprs->reprs[i]) + continue; + + repr = netdev_priv(old_reprs->reprs[i]); + if (repr->port->type != NFP_PORT_INVALID) + continue; + + nfp_app_repr_stop(app, repr); + nfp_repr_clean(repr); + } + + kfree(old_reprs); + return 0; +} |