From 8f6a19c0316deb48cdfdc5335de9a6d7db5b7b62 Mon Sep 17 00:00:00 2001 From: Vladimir Oltean Date: Sun, 11 Sep 2022 04:06:58 +0300 Subject: net: dsa: introduce dsa_port_get_master() There is a desire to support for DSA masters in a LAG. That configuration is intended to work by simply enslaving the master to a bonding/team device. But the physical DSA master (the LAG slave) still has a dev->dsa_ptr, and that cpu_dp still corresponds to the physical CPU port. However, we would like to be able to retrieve the LAG that's the upper of the physical DSA master. In preparation for that, introduce a helper called dsa_port_get_master() that replaces all occurrences of the dp->cpu_dp->master pattern. The distinction between LAG and non-LAG will be made later within the helper itself. Signed-off-by: Vladimir Oltean Reviewed-by: Florian Fainelli Signed-off-by: Paolo Abeni --- drivers/net/dsa/bcm_sf2.c | 4 ++-- drivers/net/dsa/bcm_sf2_cfp.c | 4 ++-- drivers/net/dsa/lan9303-core.c | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers/net/dsa') diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 572f7450b527..6507663f35e5 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -983,7 +983,7 @@ static int bcm_sf2_sw_resume(struct dsa_switch *ds) static void bcm_sf2_sw_get_wol(struct dsa_switch *ds, int port, struct ethtool_wolinfo *wol) { - struct net_device *p = dsa_to_port(ds, port)->cpu_dp->master; + struct net_device *p = dsa_port_to_master(dsa_to_port(ds, port)); struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); struct ethtool_wolinfo pwol = { }; @@ -1007,7 +1007,7 @@ static void bcm_sf2_sw_get_wol(struct dsa_switch *ds, int port, static int bcm_sf2_sw_set_wol(struct dsa_switch *ds, int port, struct ethtool_wolinfo *wol) { - struct net_device *p = dsa_to_port(ds, port)->cpu_dp->master; + struct net_device *p = dsa_port_to_master(dsa_to_port(ds, port)); struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); s8 cpu_port = dsa_to_port(ds, port)->cpu_dp->index; struct ethtool_wolinfo pwol = { }; diff --git a/drivers/net/dsa/bcm_sf2_cfp.c b/drivers/net/dsa/bcm_sf2_cfp.c index 22bc295bebdb..c4010b7bf089 100644 --- a/drivers/net/dsa/bcm_sf2_cfp.c +++ b/drivers/net/dsa/bcm_sf2_cfp.c @@ -1102,7 +1102,7 @@ static int bcm_sf2_cfp_rule_get_all(struct bcm_sf2_priv *priv, int bcm_sf2_get_rxnfc(struct dsa_switch *ds, int port, struct ethtool_rxnfc *nfc, u32 *rule_locs) { - struct net_device *p = dsa_to_port(ds, port)->cpu_dp->master; + struct net_device *p = dsa_port_to_master(dsa_to_port(ds, port)); struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); int ret = 0; @@ -1145,7 +1145,7 @@ int bcm_sf2_get_rxnfc(struct dsa_switch *ds, int port, int bcm_sf2_set_rxnfc(struct dsa_switch *ds, int port, struct ethtool_rxnfc *nfc) { - struct net_device *p = dsa_to_port(ds, port)->cpu_dp->master; + struct net_device *p = dsa_port_to_master(dsa_to_port(ds, port)); struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); int ret = 0; diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index 9e04541c3144..438e46af03e9 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -1092,7 +1092,7 @@ static int lan9303_port_enable(struct dsa_switch *ds, int port, if (!dsa_port_is_user(dp)) return 0; - vlan_vid_add(dp->cpu_dp->master, htons(ETH_P_8021Q), port); + vlan_vid_add(dsa_port_to_master(dp), htons(ETH_P_8021Q), port); return lan9303_enable_processing_port(chip, port); } @@ -1105,7 +1105,7 @@ static void lan9303_port_disable(struct dsa_switch *ds, int port) if (!dsa_port_is_user(dp)) return; - vlan_vid_del(dp->cpu_dp->master, htons(ETH_P_8021Q), port); + vlan_vid_del(dsa_port_to_master(dp), htons(ETH_P_8021Q), port); lan9303_disable_processing_port(chip, port); lan9303_phy_write(ds, chip->phy_addr_base + port, MII_BMCR, BMCR_PDOWN); -- cgit v1.2.3-59-g8ed1b