From bde018222c6b084ac32933a9f933581dd83da18e Mon Sep 17 00:00:00 2001 From: "Russell King (Oracle)" Date: Thu, 17 Feb 2022 18:30:35 +0000 Subject: [PATCH] net: dsa: add support for phylink mac_select_pcs() Add DSA support for the phylink mac_select_pcs() method so DSA drivers can return provide phylink with the appropriate PCS for the PHY interface mode. Signed-off-by: Russell King (Oracle) Signed-off-by: David S. Miller --- include/net/dsa.h | 3 +++ net/dsa/port.c | 15 +++++++++++++++ 2 files changed, 18 insertions(+) --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -659,6 +659,9 @@ struct dsa_switch_ops { void (*phylink_validate)(struct dsa_switch *ds, int port, unsigned long *supported, struct phylink_link_state *state); + struct phylink_pcs *(*phylink_mac_select_pcs)(struct dsa_switch *ds, + int port, + phy_interface_t iface); int (*phylink_mac_link_state)(struct dsa_switch *ds, int port, struct phylink_link_state *state); void (*phylink_mac_config)(struct dsa_switch *ds, int port, --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -1028,6 +1028,20 @@ static void dsa_port_phylink_mac_pcs_get } } +static struct phylink_pcs * +dsa_port_phylink_mac_select_pcs(struct phylink_config *config, + phy_interface_t interface) +{ + struct dsa_port *dp = container_of(config, struct dsa_port, pl_config); + struct dsa_switch *ds = dp->ds; + struct phylink_pcs *pcs = NULL; + + if (ds->ops->phylink_mac_select_pcs) + pcs = ds->ops->phylink_mac_select_pcs(ds, dp->index, interface); + + return pcs; +} + static void dsa_port_phylink_mac_config(struct phylink_config *config, unsigned int mode, const struct phylink_link_state *state) @@ -1094,6 +1108,7 @@ static void dsa_port_phylink_mac_link_up static const struct phylink_mac_ops dsa_port_phylink_mac_ops = { .validate = dsa_port_phylink_validate, + .mac_select_pcs = dsa_port_phylink_mac_select_pcs, .mac_pcs_get_state = dsa_port_phylink_mac_pcs_get_state, .mac_config = dsa_port_phylink_mac_config, .mac_an_restart = dsa_port_phylink_mac_an_restart,