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path: root/drivers/net/ethernet/netronome
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Diffstat (limited to 'drivers/net/ethernet/netronome')
-rw-r--r--drivers/net/ethernet/netronome/nfp/abm/main.c4
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_app.c2
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_repr.c2
3 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/abm/main.c b/drivers/net/ethernet/netronome/nfp/abm/main.c
index 7a4d55f794c2..80e79447b644 100644
--- a/drivers/net/ethernet/netronome/nfp/abm/main.c
+++ b/drivers/net/ethernet/netronome/nfp/abm/main.c
@@ -126,7 +126,9 @@ nfp_abm_spawn_repr(struct nfp_app *app, struct nfp_abm_link *alink,
reprs = nfp_reprs_get_locked(app, rtype);
WARN(nfp_repr_get_locked(app, reprs, alink->id), "duplicate repr");
+ rtnl_lock();
rcu_assign_pointer(reprs->reprs[alink->id], netdev);
+ rtnl_unlock();
nfp_info(app->cpp, "%s Port %d Representor(%s) created\n",
ptype == NFP_PORT_PF_PORT ? "PCIe" : "Phys",
@@ -152,7 +154,9 @@ nfp_abm_kill_repr(struct nfp_app *app, struct nfp_abm_link *alink,
netdev = nfp_repr_get_locked(app, reprs, alink->id);
if (!netdev)
return;
+ rtnl_lock();
rcu_assign_pointer(reprs->reprs[alink->id], NULL);
+ rtnl_unlock();
synchronize_rcu();
/* Cast to make sure nfp_repr_clean_and_free() takes a nfp_repr */
nfp_repr_clean_and_free((struct nfp_repr *)netdev_priv(netdev));
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_app.c b/drivers/net/ethernet/netronome/nfp/nfp_app.c
index 4a1b8f79e731..117553914342 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_app.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_app.c
@@ -131,7 +131,9 @@ nfp_app_reprs_set(struct nfp_app *app, enum nfp_repr_type type,
struct nfp_reprs *old;
old = nfp_reprs_get_locked(app, type);
+ rtnl_lock();
rcu_assign_pointer(app->reprs[type], reprs);
+ rtnl_unlock();
return old;
}
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
index b9904f6b41f8..0a1d761c6692 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
@@ -445,7 +445,9 @@ int nfp_reprs_resync_phys_ports(struct nfp_app *app)
continue;
nfp_app_repr_preclean(app, netdev);
+ rtnl_lock();
rcu_assign_pointer(reprs->reprs[i], NULL);
+ rtnl_unlock();
synchronize_rcu();
nfp_repr_clean(repr);
}