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To support this, extend struct enetc_vf_state to track the per-VF VLAN and spoofchk settings, and update the corresponding setter callbacks to persist their state when the hardware is programmed. enetc_pf_get_vf_config() reads back the persisted state and reports MAC address, VLAN parameters, spoofchk, and trust state through struct ifla_vf_info. Signed-off-by: Wei Fang --- .../net/ethernet/freescale/enetc/enetc4_pf.c | 1 + .../net/ethernet/freescale/enetc/enetc_pf.c | 24 ++++++++++++++ .../net/ethernet/freescale/enetc/enetc_pf.h | 4 +++ .../freescale/enetc/enetc_pf_common.c | 31 +++++++++++++++++++ .../freescale/enetc/enetc_pf_common.h | 2 ++ 5 files changed, 62 insertions(+) diff --git a/drivers/net/ethernet/freescale/enetc/enetc4_pf.c b/drivers/net/ethernet/freescale/enetc/enetc4_pf.c index a945a120c553..b4d76505bc03 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc4_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc4_pf.c @@ -597,6 +597,7 @@ static const struct net_device_ops enetc4_ndev_ops = { .ndo_hwtstamp_set = enetc_hwtstamp_set, .ndo_set_vf_trust = enetc_pf_set_vf_trust, .ndo_set_vf_mac = enetc_pf_set_vf_mac, + .ndo_get_vf_config = enetc_pf_get_vf_config, }; static struct phylink_pcs * diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index 523c71324780..d77a07cece28 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -195,6 +195,7 @@ static int enetc_pf_set_vf_vlan(struct net_device *ndev, int vf, u16 vlan, { struct enetc_ndev_priv *priv = netdev_priv(ndev); struct enetc_pf *pf = enetc_si_priv(priv->si); + struct enetc_vf_state *vf_state; if (priv->si->errata & ENETC_ERR_VLAN_ISOL) return -EOPNOTSUPP; @@ -207,6 +208,17 @@ static int enetc_pf_set_vf_vlan(struct net_device *ndev, int vf, u16 vlan, return -EPROTONOSUPPORT; enetc_set_isol_vlan(&priv->si->hw, vf + 1, vlan, qos); + + vf_state = &pf->vf_state[vf]; + mutex_lock(&vf_state->lock); + /* Currently only C-tags is supported, so tpid is always 0, + * which indicates ETH_P_8021Q. + */ + vf_state->tpid = 0; + vf_state->qos = qos; + vf_state->vid = vlan; + mutex_unlock(&vf_state->lock); + return 0; } @@ -214,6 +226,7 @@ static int enetc_pf_set_vf_spoofchk(struct net_device *ndev, int vf, bool en) { struct enetc_ndev_priv *priv = netdev_priv(ndev); struct enetc_pf *pf = enetc_si_priv(priv->si); + struct enetc_vf_state *vf_state; u32 cfgr; if (vf >= pf->total_vfs) @@ -223,6 +236,16 @@ static int enetc_pf_set_vf_spoofchk(struct net_device *ndev, int vf, bool en) cfgr = (cfgr & ~ENETC_PSICFGR0_ASE) | (en ? ENETC_PSICFGR0_ASE : 0); enetc_port_wr(&priv->si->hw, ENETC_PSICFGR0(vf + 1), cfgr); + vf_state = &pf->vf_state[vf]; + mutex_lock(&vf_state->lock); + + if (en) + vf_state->flags |= ENETC_VF_FLAG_SPOOFCHK; + else + vf_state->flags &= ~ENETC_VF_FLAG_SPOOFCHK; + + mutex_unlock(&vf_state->lock); + return 0; } @@ -476,6 +499,7 @@ static const struct net_device_ops enetc_ndev_ops = { .ndo_xdp_xmit = enetc_xdp_xmit, .ndo_hwtstamp_get = enetc_hwtstamp_get, .ndo_hwtstamp_set = enetc_hwtstamp_set, + .ndo_get_vf_config = enetc_pf_get_vf_config, }; static struct phylink_pcs * diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.h b/drivers/net/ethernet/freescale/enetc/enetc_pf.h index 6bf4105ee0e3..25e869d54365 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.h +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.h @@ -13,11 +13,15 @@ enum enetc_vf_flags { ENETC_VF_FLAG_TRUSTED = BIT(1), ENETC_VF_FLAG_UC_PROMISC = BIT(2), ENETC_VF_FLAG_MC_PROMISC = BIT(3), + ENETC_VF_FLAG_SPOOFCHK = BIT(4), }; struct enetc_vf_state { struct mutex lock; /* Prevent concurrent access */ enum enetc_vf_flags flags; + u8 tpid; /* SI-based VLAN TPID (0: 0x8100, 1: 0x88a8) */ + u8 qos; /* SI-based VLAN QOS (priority) bits */ + u16 vid; /* SI-based VLAN ID */ }; struct enetc_port_caps { diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c b/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c index 10134d7a1f70..264294a0cc23 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c @@ -684,5 +684,36 @@ int enetc_pf_set_vf_mac(struct net_device *ndev, int vf, u8 *mac) } EXPORT_SYMBOL_GPL(enetc_pf_set_vf_mac); +int enetc_pf_get_vf_config(struct net_device *ndev, int vf, + struct ifla_vf_info *ivi) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_pf *pf = enetc_si_priv(priv->si); + struct enetc_vf_state *vf_state; + + if (vf >= pf->total_vfs) + return -EINVAL; + + vf_state = &pf->vf_state[vf]; + mutex_lock(&vf_state->lock); + + ivi->vf = vf; + ivi->spoofchk = !!(vf_state->flags & ENETC_VF_FLAG_SPOOFCHK); + ivi->trusted = !!(vf_state->flags & ENETC_VF_FLAG_TRUSTED); + enetc_get_si_hw_addr(pf, vf + 1, ivi->mac); + + if (vf_state->vid) { + ivi->vlan = vf_state->vid; + ivi->qos = vf_state->qos; + ivi->vlan_proto = vf_state->tpid ? htons(ETH_P_8021AD) : + htons(ETH_P_8021Q); + } + + mutex_unlock(&vf_state->lock); + + return 0; +} +EXPORT_SYMBOL_GPL(enetc_pf_get_vf_config); + MODULE_DESCRIPTION("NXP ENETC PF common functionality driver"); MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf_common.h b/drivers/net/ethernet/freescale/enetc/enetc_pf_common.h index 91a9c339245a..f36f45450733 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf_common.h +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf_common.h @@ -24,6 +24,8 @@ void enetc_set_si_mc_hash_filter(struct enetc_si *si, int si_id, u64 hash); void enetc_set_si_vlan_promisc(struct enetc_si *si, int si_id, bool promisc); int enetc_pf_set_vf_trust(struct net_device *ndev, int vf, bool setting); int enetc_pf_set_vf_mac(struct net_device *ndev, int vf, u8 *mac); +int enetc_pf_get_vf_config(struct net_device *ndev, int vf, + struct ifla_vf_info *ivi); static inline u16 enetc_get_ip_revision(struct enetc_hw *hw) { -- 2.34.1