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Commit c10d4c82 authored by Jose Abreu's avatar Jose Abreu Committed by David S. Miller
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net: stmmac: Switch stmmac_ops to generic HW Interface Helpers 

Switch stmmac_ops to generic Hardware Interface Helpers instead of using
hard-coded callbacks. This makes the code more readable and more
flexible.

No functional change.
Signed-off-by: default avatarJose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a4e887fa
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Showing with 235 additions and 188 deletions
drivers/net/ethernet/stmicro/stmmac/common.h
View file @ c10d4c82
......@@ -383,76 +383,6 @@ extern const struct stmmac_desc_ops ndesc_ops;
struct mac_device_info;
/* Helpers to program the MAC core */
struct stmmac_ops {
/* MAC core initialization */
void (*core_init)(struct mac_device_info *hw, struct net_device *dev);
/* Enable the MAC RX/TX */
void (*set_mac)(void __iomem *ioaddr, bool enable);
/* Enable and verify that the IPC module is supported */
int (*rx_ipc)(struct mac_device_info *hw);
/* Enable RX Queues */
void (*rx_queue_enable)(struct mac_device_info *hw, u8 mode, u32 queue);
/* RX Queues Priority */
void (*rx_queue_prio)(struct mac_device_info *hw, u32 prio, u32 queue);
/* TX Queues Priority */
void (*tx_queue_prio)(struct mac_device_info *hw, u32 prio, u32 queue);
/* RX Queues Routing */
void (*rx_queue_routing)(struct mac_device_info *hw, u8 packet,
u32 queue);
/* Program RX Algorithms */
void (*prog_mtl_rx_algorithms)(struct mac_device_info *hw, u32 rx_alg);
/* Program TX Algorithms */
void (*prog_mtl_tx_algorithms)(struct mac_device_info *hw, u32 tx_alg);
/* Set MTL TX queues weight */
void (*set_mtl_tx_queue_weight)(struct mac_device_info *hw,
u32 weight, u32 queue);
/* RX MTL queue to RX dma mapping */
void (*map_mtl_to_dma)(struct mac_device_info *hw, u32 queue, u32 chan);
/* Configure AV Algorithm */
void (*config_cbs)(struct mac_device_info *hw, u32 send_slope,
u32 idle_slope, u32 high_credit, u32 low_credit,
u32 queue);
/* Dump MAC registers */
void (*dump_regs)(struct mac_device_info *hw, u32 *reg_space);
/* Handle extra events on specific interrupts hw dependent */
int (*host_irq_status)(struct mac_device_info *hw,
struct stmmac_extra_stats *x);
/* Handle MTL interrupts */
int (*host_mtl_irq_status)(struct mac_device_info *hw, u32 chan);
/* Multicast filter setting */
void (*set_filter)(struct mac_device_info *hw, struct net_device *dev);
/* Flow control setting */
void (*flow_ctrl)(struct mac_device_info *hw, unsigned int duplex,
unsigned int fc, unsigned int pause_time, u32 tx_cnt);
/* Set power management mode (e.g. magic frame) */
void (*pmt)(struct mac_device_info *hw, unsigned long mode);
/* Set/Get Unicast MAC addresses */
void (*set_umac_addr)(struct mac_device_info *hw, unsigned char *addr,
unsigned int reg_n);
void (*get_umac_addr)(struct mac_device_info *hw, unsigned char *addr,
unsigned int reg_n);
void (*set_eee_mode)(struct mac_device_info *hw,
bool en_tx_lpi_clockgating);
void (*reset_eee_mode)(struct mac_device_info *hw);
void (*set_eee_timer)(struct mac_device_info *hw, int ls, int tw);
void (*set_eee_pls)(struct mac_device_info *hw, int link);
void (*debug)(void __iomem *ioaddr, struct stmmac_extra_stats *x,
u32 rx_queues, u32 tx_queues);
/* PCS calls */
void (*pcs_ctrl_ane)(void __iomem *ioaddr, bool ane, bool srgmi_ral,
bool loopback);
void (*pcs_rane)(void __iomem *ioaddr, bool restart);
void (*pcs_get_adv_lp)(void __iomem *ioaddr, struct rgmii_adv *adv);
/* Safety Features */
int (*safety_feat_config)(void __iomem *ioaddr, unsigned int asp);
bool (*safety_feat_irq_status)(struct net_device *ndev,
void __iomem *ioaddr, unsigned int asp,
struct stmmac_safety_stats *stats);
const char *(*safety_feat_dump)(struct stmmac_safety_stats *stats,
int index, unsigned long *count);
};
/* PTP and HW Timer helpers */
struct stmmac_hwtimestamp {
void (*config_hw_tstamping) (void __iomem *ioaddr, u32 data);
......
drivers/net/ethernet/stmicro/stmmac/dwmac5.c
View file @ c10d4c82
......@@ -237,15 +237,16 @@ int dwmac5_safety_feat_config(void __iomem *ioaddr, unsigned int asp)
return 0;
}
bool dwmac5_safety_feat_irq_status(struct net_device *ndev,
int dwmac5_safety_feat_irq_status(struct net_device *ndev,
void __iomem *ioaddr, unsigned int asp,
struct stmmac_safety_stats *stats)
{
bool ret = false, err, corr;
bool err, corr;
u32 mtl, dma;
int ret = 0;
if (!asp)
return false;
return -EINVAL;
mtl = readl(ioaddr + MTL_SAFETY_INT_STATUS);
dma = readl(ioaddr + DMA_SAFETY_INT_STATUS);
......@@ -282,17 +283,19 @@ static const struct dwmac5_error {
{ dwmac5_dma_errors },
};
const char *dwmac5_safety_feat_dump(struct stmmac_safety_stats *stats,
int index, unsigned long *count)
int dwmac5_safety_feat_dump(struct stmmac_safety_stats *stats,
int index, unsigned long *count, const char **desc)
{
int module = index / 32, offset = index % 32;
unsigned long *ptr = (unsigned long *)stats;
if (module >= ARRAY_SIZE(dwmac5_all_errors))
return NULL;
return -EINVAL;
if (!dwmac5_all_errors[module].desc[offset].valid)
return NULL;
return -EINVAL;
if (count)
*count = *(ptr + index);
return dwmac5_all_errors[module].desc[offset].desc;
if (desc)
*desc = dwmac5_all_errors[module].desc[offset].desc;
return 0;
}
drivers/net/ethernet/stmicro/stmmac/dwmac5.h
View file @ c10d4c82
......@@ -43,10 +43,10 @@
#define DMA_ECC_INT_STATUS 0x00001088
int dwmac5_safety_feat_config(void __iomem *ioaddr, unsigned int asp);
bool dwmac5_safety_feat_irq_status(struct net_device *ndev,
int dwmac5_safety_feat_irq_status(struct net_device *ndev,
void __iomem *ioaddr, unsigned int asp,
struct stmmac_safety_stats *stats);
const char *dwmac5_safety_feat_dump(struct stmmac_safety_stats *stats,
int index, unsigned long *count);
int dwmac5_safety_feat_dump(struct stmmac_safety_stats *stats,
int index, unsigned long *count, const char **desc);
#endif /* __DWMAC5_H__ */
drivers/net/ethernet/stmicro/stmmac/hwif.h
View file @ c10d4c82
......@@ -228,4 +228,142 @@ struct stmmac_dma_ops {
#define stmmac_enable_tso(__priv, __args...) \
stmmac_do_void_callback(__priv, dma, enable_tso, __args)
struct mac_device_info;
struct net_device;
struct rgmii_adv;
struct stmmac_safety_stats;
/* Helpers to program the MAC core */
struct stmmac_ops {
/* MAC core initialization */
void (*core_init)(struct mac_device_info *hw, struct net_device *dev);
/* Enable the MAC RX/TX */
void (*set_mac)(void __iomem *ioaddr, bool enable);
/* Enable and verify that the IPC module is supported */
int (*rx_ipc)(struct mac_device_info *hw);
/* Enable RX Queues */
void (*rx_queue_enable)(struct mac_device_info *hw, u8 mode, u32 queue);
/* RX Queues Priority */
void (*rx_queue_prio)(struct mac_device_info *hw, u32 prio, u32 queue);
/* TX Queues Priority */
void (*tx_queue_prio)(struct mac_device_info *hw, u32 prio, u32 queue);
/* RX Queues Routing */
void (*rx_queue_routing)(struct mac_device_info *hw, u8 packet,
u32 queue);
/* Program RX Algorithms */
void (*prog_mtl_rx_algorithms)(struct mac_device_info *hw, u32 rx_alg);
/* Program TX Algorithms */
void (*prog_mtl_tx_algorithms)(struct mac_device_info *hw, u32 tx_alg);
/* Set MTL TX queues weight */
void (*set_mtl_tx_queue_weight)(struct mac_device_info *hw,
u32 weight, u32 queue);
/* RX MTL queue to RX dma mapping */
void (*map_mtl_to_dma)(struct mac_device_info *hw, u32 queue, u32 chan);
/* Configure AV Algorithm */
void (*config_cbs)(struct mac_device_info *hw, u32 send_slope,
u32 idle_slope, u32 high_credit, u32 low_credit,
u32 queue);
/* Dump MAC registers */
void (*dump_regs)(struct mac_device_info *hw, u32 *reg_space);
/* Handle extra events on specific interrupts hw dependent */
int (*host_irq_status)(struct mac_device_info *hw,
struct stmmac_extra_stats *x);
/* Handle MTL interrupts */
int (*host_mtl_irq_status)(struct mac_device_info *hw, u32 chan);
/* Multicast filter setting */
void (*set_filter)(struct mac_device_info *hw, struct net_device *dev);
/* Flow control setting */
void (*flow_ctrl)(struct mac_device_info *hw, unsigned int duplex,
unsigned int fc, unsigned int pause_time, u32 tx_cnt);
/* Set power management mode (e.g. magic frame) */
void (*pmt)(struct mac_device_info *hw, unsigned long mode);
/* Set/Get Unicast MAC addresses */
void (*set_umac_addr)(struct mac_device_info *hw, unsigned char *addr,
unsigned int reg_n);
void (*get_umac_addr)(struct mac_device_info *hw, unsigned char *addr,
unsigned int reg_n);
void (*set_eee_mode)(struct mac_device_info *hw,
bool en_tx_lpi_clockgating);
void (*reset_eee_mode)(struct mac_device_info *hw);
void (*set_eee_timer)(struct mac_device_info *hw, int ls, int tw);
void (*set_eee_pls)(struct mac_device_info *hw, int link);
void (*debug)(void __iomem *ioaddr, struct stmmac_extra_stats *x,
u32 rx_queues, u32 tx_queues);
/* PCS calls */
void (*pcs_ctrl_ane)(void __iomem *ioaddr, bool ane, bool srgmi_ral,
bool loopback);
void (*pcs_rane)(void __iomem *ioaddr, bool restart);
void (*pcs_get_adv_lp)(void __iomem *ioaddr, struct rgmii_adv *adv);
/* Safety Features */
int (*safety_feat_config)(void __iomem *ioaddr, unsigned int asp);
int (*safety_feat_irq_status)(struct net_device *ndev,
void __iomem *ioaddr, unsigned int asp,
struct stmmac_safety_stats *stats);
int (*safety_feat_dump)(struct stmmac_safety_stats *stats,
int index, unsigned long *count, const char **desc);
};
#define stmmac_core_init(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, core_init, __args)
#define stmmac_mac_set(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, set_mac, __args)
#define stmmac_rx_ipc(__priv, __args...) \
stmmac_do_callback(__priv, mac, rx_ipc, __args)
#define stmmac_rx_queue_enable(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, rx_queue_enable, __args)
#define stmmac_rx_queue_prio(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, rx_queue_prio, __args)
#define stmmac_tx_queue_prio(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, tx_queue_prio, __args)
#define stmmac_rx_queue_routing(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, rx_queue_routing, __args)
#define stmmac_prog_mtl_rx_algorithms(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, prog_mtl_rx_algorithms, __args)
#define stmmac_prog_mtl_tx_algorithms(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, prog_mtl_tx_algorithms, __args)
#define stmmac_set_mtl_tx_queue_weight(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, set_mtl_tx_queue_weight, __args)
#define stmmac_map_mtl_to_dma(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, map_mtl_to_dma, __args)
#define stmmac_config_cbs(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, config_cbs, __args)
#define stmmac_dump_mac_regs(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, dump_regs, __args)
#define stmmac_host_irq_status(__priv, __args...) \
stmmac_do_callback(__priv, mac, host_irq_status, __args)
#define stmmac_host_mtl_irq_status(__priv, __args...) \
stmmac_do_callback(__priv, mac, host_mtl_irq_status, __args)
#define stmmac_set_filter(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, set_filter, __args)
#define stmmac_flow_ctrl(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, flow_ctrl, __args)
#define stmmac_pmt(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, pmt, __args)
#define stmmac_set_umac_addr(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, set_umac_addr, __args)
#define stmmac_get_umac_addr(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, get_umac_addr, __args)
#define stmmac_set_eee_mode(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, set_eee_mode, __args)
#define stmmac_reset_eee_mode(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, reset_eee_mode, __args)
#define stmmac_set_eee_timer(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, set_eee_timer, __args)
#define stmmac_set_eee_pls(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, set_eee_pls, __args)
#define stmmac_mac_debug(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, debug, __args)
#define stmmac_pcs_ctrl_ane(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, pcs_ctrl_ane, __args)
#define stmmac_pcs_rane(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, pcs_rane, __args)
#define stmmac_pcs_get_adv_lp(__priv, __args...) \
stmmac_do_void_callback(__priv, mac, pcs_get_adv_lp, __args)
#define stmmac_safety_feat_config(__priv, __args...) \
stmmac_do_callback(__priv, mac, safety_feat_config, __args)
#define stmmac_safety_feat_irq_status(__priv, __args...) \
stmmac_do_callback(__priv, mac, safety_feat_irq_status, __args)
#define stmmac_safety_feat_dump(__priv, __args...) \
stmmac_do_callback(__priv, mac, safety_feat_dump, __args)
#endif /* __STMMAC_HWIF_H__ */
drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
View file @ c10d4c82
......@@ -291,11 +291,9 @@ static int stmmac_ethtool_get_link_ksettings(struct net_device *dev,
cmd->base.speed = priv->xstats.pcs_speed;
/* Get and convert ADV/LP_ADV from the HW AN registers */
if (!priv->hw->mac->pcs_get_adv_lp)
if (stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv))
return -EOPNOTSUPP; /* should never happen indeed */
priv->hw->mac->pcs_get_adv_lp(priv->ioaddr, &adv);
/* Encoding of PSE bits is defined in 802.3z, 37.2.1.4 */
ethtool_convert_link_mode_to_legacy_u32(
......@@ -393,11 +391,7 @@ stmmac_ethtool_set_link_ksettings(struct net_device *dev,
ADVERTISED_10baseT_Full);
spin_lock(&priv->lock);
if (priv->hw->mac->pcs_ctrl_ane)
priv->hw->mac->pcs_ctrl_ane(priv->ioaddr, 1,
priv->hw->ps, 0);
stmmac_pcs_ctrl_ane(priv, priv->ioaddr, 1, priv->hw->ps, 0);
spin_unlock(&priv->lock);
return 0;
......@@ -442,7 +436,7 @@ static void stmmac_ethtool_gregs(struct net_device *dev,
memset(reg_space, 0x0, REG_SPACE_SIZE);
priv->hw->mac->dump_regs(priv->hw, reg_space);
stmmac_dump_mac_regs(priv, priv->hw, reg_space);
stmmac_dump_dma_regs(priv, priv->ioaddr, reg_space);
/* Copy DMA registers to where ethtool expects them */
memcpy(&reg_space[ETHTOOL_DMA_OFFSET], &reg_space[DMA_BUS_MODE / 4],
......@@ -454,15 +448,13 @@ stmmac_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *pause)
{
struct stmmac_priv *priv = netdev_priv(netdev);
struct rgmii_adv adv_lp;
pause->rx_pause = 0;
pause->tx_pause = 0;
if (priv->hw->pcs && priv->hw->mac->pcs_get_adv_lp) {
struct rgmii_adv adv_lp;
if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) {
pause->autoneg = 1;
priv->hw->mac->pcs_get_adv_lp(priv->ioaddr, &adv_lp);
if (!adv_lp.pause)
return;
} else {
......@@ -488,12 +480,10 @@ stmmac_set_pauseparam(struct net_device *netdev,
u32 tx_cnt = priv->plat->tx_queues_to_use;
struct phy_device *phy = netdev->phydev;
int new_pause = FLOW_OFF;
struct rgmii_adv adv_lp;
if (priv->hw->pcs && priv->hw->mac->pcs_get_adv_lp) {
struct rgmii_adv adv_lp;
if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) {
pause->autoneg = 1;
priv->hw->mac->pcs_get_adv_lp(priv->ioaddr, &adv_lp);
if (!adv_lp.pause)
return -EOPNOTSUPP;
} else {
......@@ -515,27 +505,24 @@ stmmac_set_pauseparam(struct net_device *netdev,
return phy_start_aneg(phy);
}
priv->hw->mac->flow_ctrl(priv->hw, phy->duplex, priv->flow_ctrl,
priv->pause, tx_cnt);
stmmac_flow_ctrl(priv, priv->hw, phy->duplex, priv->flow_ctrl,
priv->pause, tx_cnt);
return 0;
}
static void stmmac_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *dummy, u64 *data)
{
const char *(*dump)(struct stmmac_safety_stats *stats, int index,
unsigned long *count);
struct stmmac_priv *priv = netdev_priv(dev);
u32 rx_queues_count = priv->plat->rx_queues_to_use;
u32 tx_queues_count = priv->plat->tx_queues_to_use;
unsigned long count;
int i, j = 0, ret;
if (priv->dma_cap.asp && priv->hw->mac->safety_feat_dump) {
dump = priv->hw->mac->safety_feat_dump;
if (priv->dma_cap.asp) {
for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) {
if (dump(&priv->sstats, i, &count))
if (!stmmac_safety_feat_dump(priv, &priv->sstats, i,
&count, NULL))
data[j++] = count;
}
}
......@@ -563,11 +550,10 @@ static void stmmac_get_ethtool_stats(struct net_device *dev,
priv->xstats.phy_eee_wakeup_error_n = val;
}
if ((priv->hw->mac->debug) &&
(priv->synopsys_id >= DWMAC_CORE_3_50))
priv->hw->mac->debug(priv->ioaddr,
(void *)&priv->xstats,
rx_queues_count, tx_queues_count);
if (priv->synopsys_id >= DWMAC_CORE_3_50)
stmmac_mac_debug(priv, priv->ioaddr,
(void *)&priv->xstats,
rx_queues_count, tx_queues_count);
}
for (i = 0; i < STMMAC_STATS_LEN; i++) {
char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset;
......@@ -579,8 +565,6 @@ static void stmmac_get_ethtool_stats(struct net_device *dev,
static int stmmac_get_sset_count(struct net_device *netdev, int sset)
{
struct stmmac_priv *priv = netdev_priv(netdev);
const char *(*dump)(struct stmmac_safety_stats *stats, int index,
unsigned long *count);
int i, len, safety_len = 0;
switch (sset) {
......@@ -589,11 +573,11 @@ static int stmmac_get_sset_count(struct net_device *netdev, int sset)
if (priv->dma_cap.rmon)
len += STMMAC_MMC_STATS_LEN;
if (priv->dma_cap.asp && priv->hw->mac->safety_feat_dump) {
dump = priv->hw->mac->safety_feat_dump;
if (priv->dma_cap.asp) {
for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) {
if (dump(&priv->sstats, i, NULL))
if (!stmmac_safety_feat_dump(priv,
&priv->sstats, i,
NULL, NULL))
safety_len++;
}
......@@ -611,17 +595,15 @@ static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data)
int i;
u8 *p = data;
struct stmmac_priv *priv = netdev_priv(dev);
const char *(*dump)(struct stmmac_safety_stats *stats, int index,
unsigned long *count);
switch (stringset) {
case ETH_SS_STATS:
if (priv->dma_cap.asp && priv->hw->mac->safety_feat_dump) {
dump = priv->hw->mac->safety_feat_dump;
if (priv->dma_cap.asp) {
for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) {
const char *desc = dump(&priv->sstats, i, NULL);
if (desc) {
const char *desc;
if (!stmmac_safety_feat_dump(priv,
&priv->sstats, i,
NULL, &desc)) {
memcpy(p, desc, ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
......
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