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Date:   Mon, 26 Feb 2018 11:24:04 -0600
From:   Madalin Bucur <madalin.bucur@....com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Radu Bulie <radu-andrei.bulie@....com>
Subject: [net-next v2 4/4] dpaa_eth: Add allmulti option

From: Radu Bulie <radu-andrei.bulie@....com>

This patch adds allmulticast option for memac, dtsec
and 10GEC controllers.

Signed-off-by: Radu Bulie <radu-andrei.bulie@....com>
---
 drivers/net/ethernet/freescale/dpaa/dpaa_eth.c   | 10 +++++++
 drivers/net/ethernet/freescale/fman/fman_dtsec.c | 19 ++++++++++++++
 drivers/net/ethernet/freescale/fman/fman_dtsec.h |  1 +
 drivers/net/ethernet/freescale/fman/fman_memac.c | 32 +++++++++++++++++++++--
 drivers/net/ethernet/freescale/fman/fman_memac.h |  1 +
 drivers/net/ethernet/freescale/fman/fman_tgec.c  | 33 +++++++++++++++++++++---
 drivers/net/ethernet/freescale/fman/fman_tgec.h  |  1 +
 drivers/net/ethernet/freescale/fman/mac.c        |  3 +++
 drivers/net/ethernet/freescale/fman/mac.h        |  2 ++
 9 files changed, 97 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 9bd0ff0..159dc2d 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -454,6 +454,16 @@ static void dpaa_set_rx_mode(struct net_device *net_dev)
 				  err);
 	}
 
+	if (!!(net_dev->flags & IFF_ALLMULTI) != priv->mac_dev->allmulti) {
+		priv->mac_dev->allmulti = !priv->mac_dev->allmulti;
+		err = priv->mac_dev->set_allmulti(priv->mac_dev->fman_mac,
+						  priv->mac_dev->allmulti);
+		if (err < 0)
+			netif_err(priv, drv, net_dev,
+				  "mac_dev->set_allmulti() = %d\n",
+				  err);
+	}
+
 	err = priv->mac_dev->set_multi(net_dev, priv->mac_dev);
 	if (err < 0)
 		netif_err(priv, drv, net_dev, "mac_dev->set_multi() = %d\n",
diff --git a/drivers/net/ethernet/freescale/fman/fman_dtsec.c b/drivers/net/ethernet/freescale/fman/fman_dtsec.c
index ea43b49..9a581fa 100644
--- a/drivers/net/ethernet/freescale/fman/fman_dtsec.c
+++ b/drivers/net/ethernet/freescale/fman/fman_dtsec.c
@@ -1117,6 +1117,25 @@ int dtsec_add_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr)
 	return 0;
 }
 
+int dtsec_set_allmulti(struct fman_mac *dtsec, bool enable)
+{
+	u32 tmp;
+	struct dtsec_regs __iomem *regs = dtsec->regs;
+
+	if (!is_init_done(dtsec->dtsec_drv_param))
+		return -EINVAL;
+
+	tmp = ioread32be(&regs->rctrl);
+	if (enable)
+		tmp |= RCTRL_MPROM;
+	else
+		tmp &= ~RCTRL_MPROM;
+
+	iowrite32be(tmp, &regs->rctrl);
+
+	return 0;
+}
+
 int dtsec_del_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr)
 {
 	struct dtsec_regs __iomem *regs = dtsec->regs;
diff --git a/drivers/net/ethernet/freescale/fman/fman_dtsec.h b/drivers/net/ethernet/freescale/fman/fman_dtsec.h
index c4467c0..1a689ad 100644
--- a/drivers/net/ethernet/freescale/fman/fman_dtsec.h
+++ b/drivers/net/ethernet/freescale/fman/fman_dtsec.h
@@ -55,5 +55,6 @@ int dtsec_set_exception(struct fman_mac *dtsec,
 int dtsec_add_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr);
 int dtsec_del_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr);
 int dtsec_get_version(struct fman_mac *dtsec, u32 *mac_version);
+int dtsec_set_allmulti(struct fman_mac *dtsec, bool enable);
 
 #endif /* __DTSEC_H */
diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c
index c029688..446a97b 100644
--- a/drivers/net/ethernet/freescale/fman/fman_memac.c
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.c
@@ -350,6 +350,7 @@ struct fman_mac {
 	struct fman_rev_info fm_rev_info;
 	bool basex_if;
 	struct phy_device *pcsphy;
+	bool allmulti_enabled;
 };
 
 static void add_addr_in_paddr(struct memac_regs __iomem *regs, u8 *adr,
@@ -940,6 +941,29 @@ int memac_add_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr)
 	return 0;
 }
 
+int memac_set_allmulti(struct fman_mac *memac, bool enable)
+{
+	u32 entry;
+	struct memac_regs __iomem *regs = memac->regs;
+
+	if (!is_init_done(memac->memac_drv_param))
+		return -EINVAL;
+
+	if (enable) {
+		for (entry = 0; entry < HASH_TABLE_SIZE; entry++)
+			iowrite32be(entry | HASH_CTRL_MCAST_EN,
+				    &regs->hashtable_ctrl);
+	} else {
+		for (entry = 0; entry < HASH_TABLE_SIZE; entry++)
+			iowrite32be(entry & ~HASH_CTRL_MCAST_EN,
+				    &regs->hashtable_ctrl);
+	}
+
+	memac->allmulti_enabled = enable;
+
+	return 0;
+}
+
 int memac_del_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr)
 {
 	struct memac_regs __iomem *regs = memac->regs;
@@ -963,8 +987,12 @@ int memac_del_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr)
 			break;
 		}
 	}
-	if (list_empty(&memac->multicast_addr_hash->lsts[hash]))
-		iowrite32be(hash & ~HASH_CTRL_MCAST_EN, &regs->hashtable_ctrl);
+
+	if (!memac->allmulti_enabled) {
+		if (list_empty(&memac->multicast_addr_hash->lsts[hash]))
+			iowrite32be(hash & ~HASH_CTRL_MCAST_EN,
+				    &regs->hashtable_ctrl);
+	}
 
 	return 0;
 }
diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.h b/drivers/net/ethernet/freescale/fman/fman_memac.h
index c4a6646..b5a5033 100644
--- a/drivers/net/ethernet/freescale/fman/fman_memac.h
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.h
@@ -57,5 +57,6 @@ int memac_set_exception(struct fman_mac *memac,
 			enum fman_mac_exceptions exception, bool enable);
 int memac_add_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr);
 int memac_del_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr);
+int memac_set_allmulti(struct fman_mac *memac, bool enable);
 
 #endif /* __MEMAC_H */
diff --git a/drivers/net/ethernet/freescale/fman/fman_tgec.c b/drivers/net/ethernet/freescale/fman/fman_tgec.c
index 4b0f3a5..284735d 100644
--- a/drivers/net/ethernet/freescale/fman/fman_tgec.c
+++ b/drivers/net/ethernet/freescale/fman/fman_tgec.c
@@ -217,6 +217,7 @@ struct fman_mac {
 	struct tgec_cfg *cfg;
 	void *fm;
 	struct fman_rev_info fm_rev_info;
+	bool allmulti_enabled;
 };
 
 static void set_mac_address(struct tgec_regs __iomem *regs, u8 *adr)
@@ -564,6 +565,29 @@ int tgec_add_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr)
 	return 0;
 }
 
+int tgec_set_allmulti(struct fman_mac *tgec, bool enable)
+{
+	u32 entry;
+	struct tgec_regs __iomem *regs = tgec->regs;
+
+	if (!is_init_done(tgec->cfg))
+		return -EINVAL;
+
+	if (enable) {
+		for (entry = 0; entry < TGEC_HASH_TABLE_SIZE; entry++)
+			iowrite32be(entry | TGEC_HASH_MCAST_EN,
+				    &regs->hashtable_ctrl);
+	} else {
+		for (entry = 0; entry < TGEC_HASH_TABLE_SIZE; entry++)
+			iowrite32be(entry & ~TGEC_HASH_MCAST_EN,
+				    &regs->hashtable_ctrl);
+	}
+
+	tgec->allmulti_enabled = enable;
+
+	return 0;
+}
+
 int tgec_del_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr)
 {
 	struct tgec_regs __iomem *regs = tgec->regs;
@@ -591,9 +615,12 @@ int tgec_del_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr)
 			break;
 		}
 	}
-	if (list_empty(&tgec->multicast_addr_hash->lsts[hash]))
-		iowrite32be((hash & ~TGEC_HASH_MCAST_EN),
-			    &regs->hashtable_ctrl);
+
+	if (!tgec->allmulti_enabled) {
+		if (list_empty(&tgec->multicast_addr_hash->lsts[hash]))
+			iowrite32be((hash & ~TGEC_HASH_MCAST_EN),
+				    &regs->hashtable_ctrl);
+	}
 
 	return 0;
 }
diff --git a/drivers/net/ethernet/freescale/fman/fman_tgec.h b/drivers/net/ethernet/freescale/fman/fman_tgec.h
index 514bba9..cbbd3b4 100644
--- a/drivers/net/ethernet/freescale/fman/fman_tgec.h
+++ b/drivers/net/ethernet/freescale/fman/fman_tgec.h
@@ -51,5 +51,6 @@ int tgec_set_exception(struct fman_mac *tgec,
 int tgec_add_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr);
 int tgec_del_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr);
 int tgec_get_version(struct fman_mac *tgec, u32 *mac_version);
+int tgec_set_allmulti(struct fman_mac *tgec, bool enable);
 
 #endif /* __TGEC_H */
diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c
index 88c0a06..4829dcd 100644
--- a/drivers/net/ethernet/freescale/fman/mac.c
+++ b/drivers/net/ethernet/freescale/fman/mac.c
@@ -470,6 +470,7 @@ static void setup_dtsec(struct mac_device *mac_dev)
 	mac_dev->set_tx_pause		= dtsec_set_tx_pause_frames;
 	mac_dev->set_rx_pause		= dtsec_accept_rx_pause_frames;
 	mac_dev->set_exception		= dtsec_set_exception;
+	mac_dev->set_allmulti		= dtsec_set_allmulti;
 	mac_dev->set_multi		= set_multi;
 	mac_dev->start			= start;
 	mac_dev->stop			= stop;
@@ -488,6 +489,7 @@ static void setup_tgec(struct mac_device *mac_dev)
 	mac_dev->set_tx_pause		= tgec_set_tx_pause_frames;
 	mac_dev->set_rx_pause		= tgec_accept_rx_pause_frames;
 	mac_dev->set_exception		= tgec_set_exception;
+	mac_dev->set_allmulti		= tgec_set_allmulti;
 	mac_dev->set_multi		= set_multi;
 	mac_dev->start			= start;
 	mac_dev->stop			= stop;
@@ -506,6 +508,7 @@ static void setup_memac(struct mac_device *mac_dev)
 	mac_dev->set_tx_pause		= memac_set_tx_pause_frames;
 	mac_dev->set_rx_pause		= memac_accept_rx_pause_frames;
 	mac_dev->set_exception		= memac_set_exception;
+	mac_dev->set_allmulti		= memac_set_allmulti;
 	mac_dev->set_multi		= set_multi;
 	mac_dev->start			= start;
 	mac_dev->stop			= stop;
diff --git a/drivers/net/ethernet/freescale/fman/mac.h b/drivers/net/ethernet/freescale/fman/mac.h
index eefb335..b520cec 100644
--- a/drivers/net/ethernet/freescale/fman/mac.h
+++ b/drivers/net/ethernet/freescale/fman/mac.h
@@ -59,6 +59,7 @@ struct mac_device {
 	bool rx_pause_active;
 	bool tx_pause_active;
 	bool promisc;
+	bool allmulti;
 
 	int (*init)(struct mac_device *mac_dev);
 	int (*start)(struct mac_device *mac_dev);
@@ -66,6 +67,7 @@ struct mac_device {
 	void (*adjust_link)(struct mac_device *mac_dev);
 	int (*set_promisc)(struct fman_mac *mac_dev, bool enable);
 	int (*change_addr)(struct fman_mac *mac_dev, enet_addr_t *enet_addr);
+	int (*set_allmulti)(struct fman_mac *mac_dev, bool enable);
 	int (*set_multi)(struct net_device *net_dev,
 			 struct mac_device *mac_dev);
 	int (*set_rx_pause)(struct fman_mac *mac_dev, bool en);
-- 
2.1.0

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