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net: stmmac: move stmmac_fpe_cfg to stmmac_priv data

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By moving the fpe_cfg field to the stmmac_priv data, stmmac_fpe_cfg
becomes platform-data eventually, instead of a run-time config.

Suggested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Furong Xu <0x1207@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://patch.msgid.link/d9b3d7ecb308c5e39778a4c8ae9df288a2754379.1725631883.git.0x1207@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Furong Xu 2024-09-06 22:30:06 +08:00 committed by Jakub Kicinski
parent 525034e2e2
commit 070a5e6295
5 changed files with 44 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/stmicro/stmmac/hwif.h
View File

@ -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;

30
drivers/net/ethernet/stmicro/stmmac/stmmac.h
View File

@ -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;

20
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -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);

16
drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
View File

@ -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);

28
include/linux/stmmac.h
View File

@ -138,33 +138,6 @@ struct stmmac_txq_cfg {
int tbs_en;
};
/* 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_safety_feature_cfg {
u32 tsoee;
u32 mrxpee;
@ -232,7 +205,6 @@ struct plat_stmmacenet_data {
struct fwnode_handle *port_node;
struct device_node *mdio_node;
struct stmmac_dma_cfg *dma_cfg;
struct stmmac_fpe_cfg *fpe_cfg;
struct stmmac_safety_feature_cfg *safety_feat_cfg;
int clk_csr;
int has_gmac;