12 files changed, 161 insertions, 52 deletions

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index e4ec32a9ca15..fd43f98ddbe7 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",
@@ -1916,8 +1926,10 @@ static int skb_to_sg_fd(struct dpaa_priv *priv,
 		goto csum_failed;
 	}
 
+	/* SGT[0] is used by the linear part */
 	sgt = (struct qm_sg_entry *)(sgt_buf + priv->tx_headroom);
-	qm_sg_entry_set_len(&sgt[0], skb_headlen(skb));
+	frag_len = skb_headlen(skb);
+	qm_sg_entry_set_len(&sgt[0], frag_len);
 	sgt[0].bpid = FSL_DPAA_BPID_INV;
 	sgt[0].offset = 0;
 	addr = dma_map_single(dev, skb->data,
@@ -1930,9 +1942,9 @@ static int skb_to_sg_fd(struct dpaa_priv *priv,
 	qm_sg_entry_set64(&sgt[0], addr);
 
 	/* populate the rest of SGT entries */
-	frag = &skb_shinfo(skb)->frags[0];
-	frag_len = frag->size;
-	for (i = 1; i <= nr_frags; i++, frag++) {
+	for (i = 0; i < nr_frags; i++) {
+		frag = &skb_shinfo(skb)->frags[i];
+		frag_len = frag->size;
 		WARN_ON(!skb_frag_page(frag));
 		addr = skb_frag_dma_map(dev, frag, 0,
 					frag_len, dma_dir);
@@ -1942,15 +1954,16 @@ static int skb_to_sg_fd(struct dpaa_priv *priv,
 			goto sg_map_failed;
 		}
 
-		qm_sg_entry_set_len(&sgt[i], frag_len);
-		sgt[i].bpid = FSL_DPAA_BPID_INV;
-		sgt[i].offset = 0;
+		qm_sg_entry_set_len(&sgt[i + 1], frag_len);
+		sgt[i + 1].bpid = FSL_DPAA_BPID_INV;
+		sgt[i + 1].offset = 0;
 
 		/* keep the offset in the address */
-		qm_sg_entry_set64(&sgt[i], addr);
-		frag_len = frag->size;
+		qm_sg_entry_set64(&sgt[i + 1], addr);
 	}
-	qm_sg_entry_set_f(&sgt[i - 1], frag_len);
+
+	/* Set the final bit in the last used entry of the SGT */
+	qm_sg_entry_set_f(&sgt[nr_frags], frag_len);
 
 	qm_fd_set_sg(fd, priv->tx_headroom, skb->len);
 
@@ -2051,19 +2064,23 @@ static int dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev)
 	/* MAX_SKB_FRAGS is equal or larger than our dpaa_SGT_MAX_ENTRIES;
 	 * make sure we don't feed FMan with more fragments than it supports.
 	 */
-	if (nonlinear &&
-	    likely(skb_shinfo(skb)->nr_frags < DPAA_SGT_MAX_ENTRIES)) {
-		/* Just create a S/G fd based on the skb */
-		err = skb_to_sg_fd(priv, skb, &fd);
-		percpu_priv->tx_frag_skbuffs++;
-	} else {
+	if (unlikely(nonlinear &&
+		     (skb_shinfo(skb)->nr_frags >= DPAA_SGT_MAX_ENTRIES))) {
 		/* If the egress skb contains more fragments than we support
 		 * we have no choice but to linearize it ourselves.
 		 */
-		if (unlikely(nonlinear) && __skb_linearize(skb))
+		if (__skb_linearize(skb))
 			goto enomem;
 
-		/* Finally, create a contig FD from this skb */
+		nonlinear = skb_is_nonlinear(skb);
+	}
+
+	if (nonlinear) {
+		/* Just create a S/G fd based on the skb */
+		err = skb_to_sg_fd(priv, skb, &fd);
+		percpu_priv->tx_frag_skbuffs++;
+	} else {
+		/* Create a contig FD from this skb */
 		err = skb_to_contig_fd(priv, skb, &fd, &offset);
 	}
 	if (unlikely(err < 0))
@@ -2200,14 +2217,8 @@ static enum qman_cb_dqrr_result rx_error_dqrr(struct qman_portal *portal,
 	if (dpaa_eth_napi_schedule(percpu_priv, portal))
 		return qman_cb_dqrr_stop;
 
-	if (dpaa_eth_refill_bpools(priv))
-		/* Unable to refill the buffer pool due to insufficient
-		 * system memory. Just release the frame back into the pool,
-		 * otherwise we'll soon end up with an empty buffer pool.
-		 */
-		dpaa_fd_release(net_dev, &dq->fd);
-	else
-		dpaa_rx_error(net_dev, priv, percpu_priv, &dq->fd, fq->fqid);
+	dpaa_eth_refill_bpools(priv);
+	dpaa_rx_error(net_dev, priv, percpu_priv, &dq->fd, fq->fqid);
 
 	return qman_cb_dqrr_consume;
 }
@@ -2766,7 +2777,7 @@ static int dpaa_eth_probe(struct platform_device *pdev)
 
 	priv->channel = (u16)channel;
 
-	/* Start a thread that will walk the CPUs with affine portals
+	/* Walk the CPUs with affine portals
 	 * and add this pool channel to each's dequeue mask.
 	 */
 	dpaa_eth_add_channel(priv->channel);
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
index faea674094b9..2f933b6b2f4e 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
@@ -211,7 +211,7 @@ static int dpaa_set_pauseparam(struct net_device *net_dev,
 	if (epause->rx_pause)
 		newadv = ADVERTISED_Pause | ADVERTISED_Asym_Pause;
 	if (epause->tx_pause)
-		newadv |= ADVERTISED_Asym_Pause;
+		newadv ^= ADVERTISED_Asym_Pause;
 
 	oldadv = phydev->advertising &
 			(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
@@ -344,7 +344,7 @@ static void dpaa_get_ethtool_stats(struct net_device *net_dev,
 
 	/* gather congestion related counters */
 	cg_num    = 0;
-	cg_status = 0;
+	cg_status = false;
 	cg_time   = jiffies_to_msecs(priv->cgr_data.congested_jiffies);
 	if (qman_query_cgr_congested(&priv->cgr_data.cgr, &cg_status) == 0) {
 		cg_num    = priv->cgr_data.cgr_congested_count;
diff --git a/drivers/net/ethernet/freescale/fman/Kconfig b/drivers/net/ethernet/freescale/fman/Kconfig
index 8870a9a798ca..dc0850b3b517 100644
--- a/drivers/net/ethernet/freescale/fman/Kconfig
+++ b/drivers/net/ethernet/freescale/fman/Kconfig
@@ -2,7 +2,6 @@ config FSL_FMAN
 	tristate "FMan support"
 	depends on FSL_SOC || ARCH_LAYERSCAPE || COMPILE_TEST
 	select GENERIC_ALLOCATOR
-	depends on HAS_DMA
 	select PHYLIB
 	default n
 	help
diff --git a/drivers/net/ethernet/freescale/fman/fman_dtsec.c b/drivers/net/ethernet/freescale/fman/fman_dtsec.c
index 7af31ddd093f..57b1e2b47c0a 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 c4467c072058..1a689adf5a22 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 c0296880feba..446a97b792e3 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 c4a66469a907..b5a50338ed9a 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 4b0f3a50b293..284735d4ebe9 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 514bba9f47ce..cbbd3b422a98 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 88c0a0636b44..7b5b95f52c09 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;
@@ -564,7 +567,6 @@ static struct platform_device *dpaa_eth_add_device(int fman_id,
 	}
 
 	pdev->dev.parent = priv->dev;
-	set_dma_ops(&pdev->dev, get_dma_ops(priv->dev));
 
 	ret = platform_device_add_data(pdev, &data, sizeof(data));
 	if (ret)
diff --git a/drivers/net/ethernet/freescale/fman/mac.h b/drivers/net/ethernet/freescale/fman/mac.h
index eefb3357e304..b520cec120ee 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);
diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
index 80ad16acf0f1..ac2c3f6a12bc 100644
--- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c
+++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
@@ -377,6 +377,38 @@ static const struct of_device_id fsl_pq_mdio_match[] = {
 };
 MODULE_DEVICE_TABLE(of, fsl_pq_mdio_match);
 
+static void set_tbipa(const u32 tbipa_val, struct platform_device *pdev,
+		      uint32_t __iomem * (*get_tbipa)(void __iomem *),
+		      void __iomem *reg_map, struct resource *reg_res)
+{
+	struct device_node *np = pdev->dev.of_node;
+	uint32_t __iomem *tbipa;
+	bool tbipa_mapped;
+
+	tbipa = of_iomap(np, 1);
+	if (tbipa) {
+		tbipa_mapped = true;
+	} else {
+		tbipa_mapped = false;
+		tbipa = (*get_tbipa)(reg_map);
+
+		/*
+		 * Add consistency check to make sure TBI is contained within
+		 * the mapped range (not because we would get a segfault,
+		 * rather to catch bugs in computing TBI address). Print error
+		 * message but continue anyway.
+		 */
+		if ((void *)tbipa > reg_map + resource_size(reg_res) - 4)
+			dev_err(&pdev->dev, "invalid register map (should be at least 0x%04zx to contain TBI address)\n",
+				((void *)tbipa - reg_map) + 4);
+	}
+
+	iowrite32be(be32_to_cpu(tbipa_val), tbipa);
+
+	if (tbipa_mapped)
+		iounmap(tbipa);
+}
+
 static int fsl_pq_mdio_probe(struct platform_device *pdev)
 {
 	const struct of_device_id *id =
@@ -450,8 +482,6 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev)
 
 		if (tbi) {
 			const u32 *prop = of_get_property(tbi, "reg", NULL);
-			uint32_t __iomem *tbipa;
-
 			if (!prop) {
 				dev_err(&pdev->dev,
 					"missing 'reg' property in node %pOF\n",
@@ -459,20 +489,8 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev)
 				err = -EBUSY;
 				goto error;
 			}
-
-			tbipa = data->get_tbipa(priv->map);
-
-			/*
-			 * Add consistency check to make sure TBI is contained
-			 * within the mapped range (not because we would get a
-			 * segfault, rather to catch bugs in computing TBI
-			 * address). Print error message but continue anyway.
-			 */
-			if ((void *)tbipa > priv->map + resource_size(&res) - 4)
-				dev_err(&pdev->dev, "invalid register map (should be at least 0x%04zx to contain TBI address)\n",
-					((void *)tbipa - priv->map) + 4);
-
-			iowrite32be(be32_to_cpup(prop), tbipa);
+			set_tbipa(*prop, pdev,
+				  data->get_tbipa, priv->map, &res);
 		}
 	}