diff options
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/hwif.h | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac.h | 30 | ||||
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 20 | ||||
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 16 |
4 files changed, 44 insertions, 24 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h index 7e90f34b8c88..68574798c03f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.h +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h @@ -28,6 +28,8 @@ struct stmmac_extra_stats; struct stmmac_priv; struct stmmac_safety_stats; +struct stmmac_fpe_cfg; +enum stmmac_mpacket_type; struct dma_desc; struct dma_extended_desc; struct dma_edesc; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index b23b920eedb1..458d6b16ce21 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -146,6 +146,33 @@ struct stmmac_channel { u32 index; }; +/* FPE link state */ +enum stmmac_fpe_state { + FPE_STATE_OFF = 0, + FPE_STATE_CAPABLE = 1, + FPE_STATE_ENTERING_ON = 2, + FPE_STATE_ON = 3, +}; + +/* FPE link-partner hand-shaking mPacket type */ +enum stmmac_mpacket_type { + MPACKET_VERIFY = 0, + MPACKET_RESPONSE = 1, +}; + +enum stmmac_fpe_task_state_t { + __FPE_REMOVING, + __FPE_TASK_SCHED, +}; + +struct stmmac_fpe_cfg { + bool enable; /* FPE enable */ + bool hs_enable; /* FPE handshake enable */ + enum stmmac_fpe_state lp_fpe_state; /* Link Partner FPE state */ + enum stmmac_fpe_state lo_fpe_state; /* Local station FPE state */ + u32 fpe_csr; /* MAC_FPE_CTRL_STS reg cache */ +}; + struct stmmac_tc_entry { bool in_use; bool in_hw; @@ -339,11 +366,12 @@ struct stmmac_priv { struct workqueue_struct *wq; struct work_struct service_task; - /* Workqueue for handling FPE hand-shaking */ + /* Frame Preemption feature (FPE) */ unsigned long fpe_task_state; struct workqueue_struct *fpe_wq; struct work_struct fpe_task; char wq_name[IFNAMSIZ + 4]; + struct stmmac_fpe_cfg fpe_cfg; /* TC Handling */ unsigned int tc_entries_max; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index d9fca8d1227c..529fe31f8b04 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -968,7 +968,7 @@ static void stmmac_mac_config(struct phylink_config *config, unsigned int mode, static void stmmac_fpe_link_state_handle(struct stmmac_priv *priv, bool is_up) { - struct stmmac_fpe_cfg *fpe_cfg = priv->plat->fpe_cfg; + struct stmmac_fpe_cfg *fpe_cfg = &priv->fpe_cfg; enum stmmac_fpe_state *lo_state = &fpe_cfg->lo_fpe_state; enum stmmac_fpe_state *lp_state = &fpe_cfg->lp_fpe_state; bool *hs_enable = &fpe_cfg->hs_enable; @@ -3536,7 +3536,7 @@ static int stmmac_hw_setup(struct net_device *dev, bool ptp_register) if (priv->dma_cap.fpesel) { stmmac_fpe_start_wq(priv); - if (priv->plat->fpe_cfg->enable) + if (priv->fpe_cfg.enable) stmmac_fpe_handshake(priv, true); } @@ -5982,7 +5982,7 @@ static int stmmac_set_features(struct net_device *netdev, static void stmmac_fpe_event_status(struct stmmac_priv *priv, int status) { - struct stmmac_fpe_cfg *fpe_cfg = priv->plat->fpe_cfg; + struct stmmac_fpe_cfg *fpe_cfg = &priv->fpe_cfg; enum stmmac_fpe_state *lo_state = &fpe_cfg->lo_fpe_state; enum stmmac_fpe_state *lp_state = &fpe_cfg->lp_fpe_state; bool *hs_enable = &fpe_cfg->hs_enable; @@ -7381,7 +7381,7 @@ static void stmmac_fpe_lp_task(struct work_struct *work) { struct stmmac_priv *priv = container_of(work, struct stmmac_priv, fpe_task); - struct stmmac_fpe_cfg *fpe_cfg = priv->plat->fpe_cfg; + struct stmmac_fpe_cfg *fpe_cfg = &priv->fpe_cfg; enum stmmac_fpe_state *lo_state = &fpe_cfg->lo_fpe_state; enum stmmac_fpe_state *lp_state = &fpe_cfg->lp_fpe_state; bool *hs_enable = &fpe_cfg->hs_enable; @@ -7427,17 +7427,17 @@ static void stmmac_fpe_lp_task(struct work_struct *work) void stmmac_fpe_handshake(struct stmmac_priv *priv, bool enable) { - if (priv->plat->fpe_cfg->hs_enable != enable) { + if (priv->fpe_cfg.hs_enable != enable) { if (enable) { stmmac_fpe_send_mpacket(priv, priv->ioaddr, - priv->plat->fpe_cfg, + &priv->fpe_cfg, MPACKET_VERIFY); } else { - priv->plat->fpe_cfg->lo_fpe_state = FPE_STATE_OFF; - priv->plat->fpe_cfg->lp_fpe_state = FPE_STATE_OFF; + priv->fpe_cfg.lo_fpe_state = FPE_STATE_OFF; + priv->fpe_cfg.lp_fpe_state = FPE_STATE_OFF; } - priv->plat->fpe_cfg->hs_enable = enable; + priv->fpe_cfg.hs_enable = enable; } } @@ -7898,7 +7898,7 @@ int stmmac_suspend(struct device *dev) if (priv->dma_cap.fpesel) { /* Disable FPE */ stmmac_fpe_configure(priv, priv->ioaddr, - priv->plat->fpe_cfg, + &priv->fpe_cfg, priv->plat->tx_queues_to_use, priv->plat->rx_queues_to_use, false); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 996f2bcd07a2..9cc41ed01882 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -282,16 +282,6 @@ static int tc_init(struct stmmac_priv *priv) if (ret) return -ENOMEM; - if (!priv->plat->fpe_cfg) { - priv->plat->fpe_cfg = devm_kzalloc(priv->device, - sizeof(*priv->plat->fpe_cfg), - GFP_KERNEL); - if (!priv->plat->fpe_cfg) - return -ENOMEM; - } else { - memset(priv->plat->fpe_cfg, 0, sizeof(*priv->plat->fpe_cfg)); - } - /* Fail silently as we can still use remaining features, e.g. CBS */ if (!dma_cap->frpsel) return 0; @@ -1076,7 +1066,7 @@ static int tc_taprio_configure(struct stmmac_priv *priv, /* Actual FPE register configuration will be done after FPE handshake * is success. */ - priv->plat->fpe_cfg->enable = fpe; + priv->fpe_cfg.enable = fpe; ret = stmmac_est_configure(priv, priv, priv->est, priv->plat->clk_ptp_rate); @@ -1109,9 +1099,9 @@ disable: mutex_unlock(&priv->est_lock); } - priv->plat->fpe_cfg->enable = false; + priv->fpe_cfg.enable = false; stmmac_fpe_configure(priv, priv->ioaddr, - priv->plat->fpe_cfg, + &priv->fpe_cfg, priv->plat->tx_queues_to_use, priv->plat->rx_queues_to_use, false); |