diff options
Diffstat (limited to 'target/linux/generic/pending-5.10/701-07-net-ethernet-mtk_eth_soc-allocate-struct-mtk_ppe-sep.patch')
| -rw-r--r-- | target/linux/generic/pending-5.10/701-07-net-ethernet-mtk_eth_soc-allocate-struct-mtk_ppe-sep.patch | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.10/701-07-net-ethernet-mtk_eth_soc-allocate-struct-mtk_ppe-sep.patch b/target/linux/generic/pending-5.10/701-07-net-ethernet-mtk_eth_soc-allocate-struct-mtk_ppe-sep.patch new file mode 100644 index 0000000000..a1c4fbfc55 --- /dev/null +++ b/target/linux/generic/pending-5.10/701-07-net-ethernet-mtk_eth_soc-allocate-struct-mtk_ppe-sep.patch @@ -0,0 +1,159 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Mon, 21 Feb 2022 15:38:20 +0100 +Subject: [PATCH] net: ethernet: mtk_eth_soc: allocate struct mtk_ppe + separately + +Preparation for adding more data to it, which will increase its size. + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -2305,7 +2305,7 @@ static int mtk_open(struct net_device *d + if (err) + return err; + +- if (eth->soc->offload_version && mtk_ppe_start(ð->ppe) == 0) ++ if (eth->soc->offload_version && mtk_ppe_start(eth->ppe) == 0) + gdm_config = MTK_GDMA_TO_PPE; + + mtk_gdm_config(eth, gdm_config); +@@ -2379,7 +2379,7 @@ static int mtk_stop(struct net_device *d + mtk_dma_free(eth); + + if (eth->soc->offload_version) +- mtk_ppe_stop(ð->ppe); ++ mtk_ppe_stop(eth->ppe); + + return 0; + } +@@ -3265,10 +3265,11 @@ static int mtk_probe(struct platform_dev + } + + if (eth->soc->offload_version) { +- err = mtk_ppe_init(ð->ppe, eth->dev, +- eth->base + MTK_ETH_PPE_BASE, 2); +- if (err) ++ eth->ppe = mtk_ppe_init(eth->dev, eth->base + MTK_ETH_PPE_BASE, 2); ++ if (!eth->ppe) { ++ err = -ENOMEM; + goto err_free_dev; ++ } + + err = mtk_eth_offload_init(eth); + if (err) +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -976,7 +976,7 @@ struct mtk_eth { + u32 rx_dma_l4_valid; + int ip_align; + +- struct mtk_ppe ppe; ++ struct mtk_ppe *ppe; + struct rhashtable flow_table; + }; + +--- a/drivers/net/ethernet/mediatek/mtk_ppe.c ++++ b/drivers/net/ethernet/mediatek/mtk_ppe.c +@@ -384,10 +384,15 @@ int mtk_foe_entry_commit(struct mtk_ppe + return hash; + } + +-int mtk_ppe_init(struct mtk_ppe *ppe, struct device *dev, void __iomem *base, ++struct mtk_ppe *mtk_ppe_init(struct device *dev, void __iomem *base, + int version) + { + struct mtk_foe_entry *foe; ++ struct mtk_ppe *ppe; ++ ++ ppe = devm_kzalloc(dev, sizeof(*ppe), GFP_KERNEL); ++ if (!ppe) ++ return NULL; + + /* need to allocate a separate device, since it PPE DMA access is + * not coherent. +@@ -399,13 +404,13 @@ int mtk_ppe_init(struct mtk_ppe *ppe, st + foe = dmam_alloc_coherent(ppe->dev, MTK_PPE_ENTRIES * sizeof(*foe), + &ppe->foe_phys, GFP_KERNEL); + if (!foe) +- return -ENOMEM; ++ return NULL; + + ppe->foe_table = foe; + + mtk_ppe_debugfs_init(ppe); + +- return 0; ++ return ppe; + } + + static void mtk_ppe_init_foe_table(struct mtk_ppe *ppe) +--- a/drivers/net/ethernet/mediatek/mtk_ppe.h ++++ b/drivers/net/ethernet/mediatek/mtk_ppe.h +@@ -246,8 +246,7 @@ struct mtk_ppe { + void *acct_table; + }; + +-int mtk_ppe_init(struct mtk_ppe *ppe, struct device *dev, void __iomem *base, +- int version); ++struct mtk_ppe *mtk_ppe_init(struct device *dev, void __iomem *base, int version); + int mtk_ppe_start(struct mtk_ppe *ppe); + int mtk_ppe_stop(struct mtk_ppe *ppe); + +--- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c ++++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c +@@ -412,7 +412,7 @@ mtk_flow_offload_replace(struct mtk_eth + + entry->cookie = f->cookie; + timestamp = mtk_eth_timestamp(eth); +- hash = mtk_foe_entry_commit(ð->ppe, &foe, timestamp); ++ hash = mtk_foe_entry_commit(eth->ppe, &foe, timestamp); + if (hash < 0) { + err = hash; + goto free; +@@ -427,7 +427,7 @@ mtk_flow_offload_replace(struct mtk_eth + + return 0; + clear_flow: +- mtk_foe_entry_clear(ð->ppe, hash); ++ mtk_foe_entry_clear(eth->ppe, hash); + free: + kfree(entry); + if (wed_index >= 0) +@@ -445,7 +445,7 @@ mtk_flow_offload_destroy(struct mtk_eth + if (!entry) + return -ENOENT; + +- mtk_foe_entry_clear(ð->ppe, entry->hash); ++ mtk_foe_entry_clear(eth->ppe, entry->hash); + rhashtable_remove_fast(ð->flow_table, &entry->node, + mtk_flow_ht_params); + if (entry->wed_index >= 0) +@@ -467,7 +467,7 @@ mtk_flow_offload_stats(struct mtk_eth *e + if (!entry) + return -ENOENT; + +- timestamp = mtk_foe_entry_timestamp(ð->ppe, entry->hash); ++ timestamp = mtk_foe_entry_timestamp(eth->ppe, entry->hash); + if (timestamp < 0) + return -ETIMEDOUT; + +@@ -523,7 +523,7 @@ mtk_eth_setup_tc_block(struct net_device + struct flow_block_cb *block_cb; + flow_setup_cb_t *cb; + +- if (!eth->ppe.foe_table) ++ if (!eth->ppe || !eth->ppe->foe_table) + return -EOPNOTSUPP; + + if (f->binder_type != FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) +@@ -575,7 +575,7 @@ int mtk_eth_setup_tc(struct net_device * + + int mtk_eth_offload_init(struct mtk_eth *eth) + { +- if (!eth->ppe.foe_table) ++ if (!eth->ppe || !eth->ppe->foe_table) + return 0; + + return rhashtable_init(ð->flow_table, &mtk_flow_ht_params); |