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So some functions like enetc_vlan_rx_add_vid() and enetc_vlan_rx_del_vid() only need to be slightly modified to be reused by ENETC v4. Currently, we just move these functions from enetc_pf.c to enetc_pf_common.c. Appropriate modifications will be made for ENETC4 in a subsequent patch. Signed-off-by: Wei Fang --- v5 changes Remove set_si_vlan_hash_filter() hook --- .../net/ethernet/freescale/enetc/enetc_pf.c | 57 ------------------ .../freescale/enetc/enetc_pf_common.c | 60 +++++++++++++++++++ .../freescale/enetc/enetc_pf_common.h | 2 + 3 files changed, 62 insertions(+), 57 deletions(-) diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index ae2dbd159ab4..6560bdbff287 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -216,63 +216,6 @@ static void enetc_pf_set_rx_mode(struct net_device *ndev) enetc_port_wr(hw, ENETC_PSIPMR, psipmr); } -static void enetc_set_vlan_ht_filter(struct enetc_hw *hw, int si_idx, - unsigned long hash) -{ - enetc_port_wr(hw, ENETC_PSIVHFR0(si_idx), lower_32_bits(hash)); - enetc_port_wr(hw, ENETC_PSIVHFR1(si_idx), upper_32_bits(hash)); -} - -static int enetc_vid_hash_idx(unsigned int vid) -{ - int res = 0; - int i; - - for (i = 0; i < 6; i++) - res |= (hweight8(vid & (BIT(i) | BIT(i + 6))) & 0x1) << i; - - return res; -} - -static void enetc_refresh_vlan_ht_filter(struct enetc_pf *pf) -{ - int i; - - bitmap_zero(pf->vlan_ht_filter, ENETC_VLAN_HT_SIZE); - for_each_set_bit(i, pf->active_vlans, VLAN_N_VID) { - int hidx = enetc_vid_hash_idx(i); - - __set_bit(hidx, pf->vlan_ht_filter); - } -} - -static int enetc_vlan_rx_add_vid(struct net_device *ndev, __be16 prot, u16 vid) -{ - struct enetc_ndev_priv *priv = netdev_priv(ndev); - struct enetc_pf *pf = enetc_si_priv(priv->si); - int idx; - - __set_bit(vid, pf->active_vlans); - - idx = enetc_vid_hash_idx(vid); - if (!__test_and_set_bit(idx, pf->vlan_ht_filter)) - enetc_set_vlan_ht_filter(&pf->si->hw, 0, *pf->vlan_ht_filter); - - return 0; -} - -static int enetc_vlan_rx_del_vid(struct net_device *ndev, __be16 prot, u16 vid) -{ - struct enetc_ndev_priv *priv = netdev_priv(ndev); - struct enetc_pf *pf = enetc_si_priv(priv->si); - - __clear_bit(vid, pf->active_vlans); - enetc_refresh_vlan_ht_filter(pf); - enetc_set_vlan_ht_filter(&pf->si->hw, 0, *pf->vlan_ht_filter); - - return 0; -} - static void enetc_set_loopback(struct net_device *ndev, bool en) { struct enetc_ndev_priv *priv = netdev_priv(ndev); diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c b/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c index a751862a70b1..ed8afd174c9e 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c @@ -353,5 +353,65 @@ void enetc_set_default_rss_key(struct enetc_pf *pf) } EXPORT_SYMBOL_GPL(enetc_set_default_rss_key); +static int enetc_vid_hash_idx(unsigned int vid) +{ + int res = 0; + int i; + + for (i = 0; i < 6; i++) + res |= (hweight8(vid & (BIT(i) | BIT(i + 6))) & 0x1) << i; + + return res; +} + +static void enetc_refresh_vlan_ht_filter(struct enetc_pf *pf) +{ + int i; + + bitmap_zero(pf->vlan_ht_filter, ENETC_VLAN_HT_SIZE); + for_each_set_bit(i, pf->active_vlans, VLAN_N_VID) { + int hidx = enetc_vid_hash_idx(i); + + __set_bit(hidx, pf->vlan_ht_filter); + } +} + +static void enetc_set_vlan_ht_filter(struct enetc_hw *hw, int si_idx, + unsigned long hash) +{ + enetc_port_wr(hw, ENETC_PSIVHFR0(si_idx), lower_32_bits(hash)); + enetc_port_wr(hw, ENETC_PSIVHFR1(si_idx), upper_32_bits(hash)); +} + +int enetc_vlan_rx_add_vid(struct net_device *ndev, __be16 prot, u16 vid) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_pf *pf = enetc_si_priv(priv->si); + int idx; + + __set_bit(vid, pf->active_vlans); + + idx = enetc_vid_hash_idx(vid); + if (!__test_and_set_bit(idx, pf->vlan_ht_filter)) + enetc_set_vlan_ht_filter(&pf->si->hw, 0, *pf->vlan_ht_filter); + + return 0; +} +EXPORT_SYMBOL_GPL(enetc_vlan_rx_add_vid); + +int enetc_vlan_rx_del_vid(struct net_device *ndev, __be16 prot, u16 vid) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_pf *pf = enetc_si_priv(priv->si); + + if (__test_and_clear_bit(vid, pf->active_vlans)) { + enetc_refresh_vlan_ht_filter(pf); + enetc_set_vlan_ht_filter(&pf->si->hw, 0, *pf->vlan_ht_filter); + } + + return 0; +} +EXPORT_SYMBOL_GPL(enetc_vlan_rx_del_vid); + 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 e07cf3c35001..96d4840a3107 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf_common.h +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf_common.h @@ -13,6 +13,8 @@ int enetc_phylink_create(struct enetc_ndev_priv *priv, struct device_node *node, const struct phylink_mac_ops *ops); void enetc_phylink_destroy(struct enetc_ndev_priv *priv); void enetc_set_default_rss_key(struct enetc_pf *pf); +int enetc_vlan_rx_add_vid(struct net_device *ndev, __be16 prot, u16 vid); +int enetc_vlan_rx_del_vid(struct net_device *ndev, __be16 prot, u16 vid); static inline u16 enetc_get_ip_revision(struct enetc_hw *hw) {