[PATCH net-next v2 08/16] net: dsa: use ports list to setup multiple master devices
From: Vivien Didelot <hidden>
Date: 2019-10-21 20:52:36
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lkml
Subsystem:
networking [dsa], networking [general], the rest · Maintainers:
Andrew Lunn, Vladimir Oltean, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Now that we have a potential list of CPU ports, make use of it instead of only configuring the master device of an unique CPU port. Signed-off-by: Vivien Didelot <redacted> --- net/dsa/dsa2.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index a4de7ff8b19b..514c0195e2e8 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c@@ -493,19 +493,27 @@ static void dsa_tree_teardown_switches(struct dsa_switch_tree *dst) static int dsa_tree_setup_master(struct dsa_switch_tree *dst) { - struct dsa_port *cpu_dp = dst->cpu_dp; - struct net_device *master = cpu_dp->master; + struct dsa_port *dp; + int err; - /* DSA currently supports a single pair of CPU port and master device */ - return dsa_master_setup(master, cpu_dp); + list_for_each_entry(dp, &dst->ports, list) { + if (dsa_port_is_cpu(dp)) { + err = dsa_master_setup(dp->master, dp); + if (err) + return err; + } + } + + return 0; } static void dsa_tree_teardown_master(struct dsa_switch_tree *dst) { - struct dsa_port *cpu_dp = dst->cpu_dp; - struct net_device *master = cpu_dp->master; + struct dsa_port *dp; - return dsa_master_teardown(master); + list_for_each_entry(dp, &dst->ports, list) + if (dsa_port_is_cpu(dp)) + dsa_master_teardown(dp->master); } static int dsa_tree_setup(struct dsa_switch_tree *dst)
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2.23.0