openwrt/target/linux/generic/backport-5.15/714-v6.0-net-ethernet-mtk_eth_soc-move-ppe-table-hash-offset-.patch
John Audia d59d69f9e1 kernel: bump 5.15 to 5.15.103
Manually rebased:
        backport-5.15/704-15-v5.19-net-mtk_eth_soc-move-MAC_MCR-setting-to-mac_finish.patch

Removed upstreamed:
        backport-5.15/060-v6.0-01-tools-build-Add-feature-test-for-init_disassemble_in.patch[1]
        backport-5.15/060-v6.0-02-tools-include-add-dis-asm-compat.h-to-handle-version.patch[2]
        backport-5.15/060-v6.0-03-tools-perf-Fix-compilation-error-with-new-binutils.patch[3]
        backport-5.15/060-v6.0-04-tools-bpf_jit_disasm-Fix-compilation-error-with-new-.patch[4]
        backport-5.15/060-v6.0-05-tools-bpftool-Fix-compilation-error-with-new-binutil.patch[5]
        pending-5.15/733-02-net-ethernet-mtk_eth_soc-fix-RX-data-corruption-issu.patch[6]
        bcm47xx/patches-5.15/170-bgmac-fix-initial-chip-reset-to-support-BCM5358.patch[7]

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=51b99dc38c1a053e2e732d7f9e2740e343ae7eae
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=451c9d7b16169645ed291ebb2ca9844caa088f2d
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=97f005c0bdbaf656a7808586d234965385a06c58
4. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=1c27fab243333821375e4d63128d60093fdbe149
5. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=4441a90091931fd81607567961dc122f24f735bb
6. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=2adc29350a5b4669544566f71f208d2abaec60ab
7. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.103&id=04bfc5bcdfc0fdb73587487c71b04d63807ae15a

Build system: x86_64
Build-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod
Run-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod

Signed-off-by: John Audia <therealgraysky@proton.me>
2023-03-25 16:01:23 +01:00

200 lines
7.0 KiB
Diff

From patchwork Thu Sep 8 19:33:38 2022
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Lorenzo Bianconi <lorenzo@kernel.org>
X-Patchwork-Id: 12970557
X-Patchwork-Delegate: kuba@kernel.org
From: Lorenzo Bianconi <lorenzo@kernel.org>
To: netdev@vger.kernel.org
Cc: nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com,
Mark-MC.Lee@mediatek.com, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, matthias.bgg@gmail.com,
linux-mediatek@lists.infradead.org, lorenzo.bianconi@redhat.com,
Bo.Jiao@mediatek.com, sujuan.chen@mediatek.com,
ryder.Lee@mediatek.com, evelyn.tsai@mediatek.com,
devicetree@vger.kernel.org, robh@kernel.org
Subject: [PATCH net-next 04/12] net: ethernet: mtk_eth_soc: move ppe table
hash offset to mtk_soc_data structure
Date: Thu, 8 Sep 2022 21:33:38 +0200
Message-Id:
<cc263ffeaa3e1d7314e36a4f941e96d38e41a6bf.1662661555.git.lorenzo@kernel.org>
X-Mailer: git-send-email 2.37.3
In-Reply-To: <cover.1662661555.git.lorenzo@kernel.org>
References: <cover.1662661555.git.lorenzo@kernel.org>
MIME-Version: 1.0
Precedence: bulk
List-ID: <netdev.vger.kernel.org>
X-Mailing-List: netdev@vger.kernel.org
X-Patchwork-Delegate: kuba@kernel.org
This is a preliminary patch to introduce mt7986 hw packet engine.
Co-developed-by: Bo Jiao <Bo.Jiao@mediatek.com>
Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com>
Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 ++++
drivers/net/ethernet/mediatek/mtk_eth_soc.h | 2 ++
drivers/net/ethernet/mediatek/mtk_ppe.c | 24 +++++++++++++++------
drivers/net/ethernet/mediatek/mtk_ppe.h | 2 +-
4 files changed, 25 insertions(+), 7 deletions(-)
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -4151,6 +4151,7 @@ static const struct mtk_soc_data mt7621_
.required_clks = MT7621_CLKS_BITMAP,
.required_pctl = false,
.offload_version = 2,
+ .hash_offset = 2,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
@@ -4169,6 +4170,7 @@ static const struct mtk_soc_data mt7622_
.required_clks = MT7622_CLKS_BITMAP,
.required_pctl = false,
.offload_version = 2,
+ .hash_offset = 2,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
@@ -4186,6 +4188,7 @@ static const struct mtk_soc_data mt7623_
.required_clks = MT7623_CLKS_BITMAP,
.required_pctl = true,
.offload_version = 2,
+ .hash_offset = 2,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
@@ -4219,6 +4222,7 @@ static const struct mtk_soc_data mt7986_
.caps = MT7986_CAPS,
.required_clks = MT7986_CLKS_BITMAP,
.required_pctl = false,
+ .hash_offset = 4,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma_v2),
.rxd_size = sizeof(struct mtk_rx_dma_v2),
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -967,6 +967,7 @@ struct mtk_reg_map {
* the target SoC
* @required_pctl A bool value to show whether the SoC requires
* the extra setup for those pins used by GMAC.
+ * @hash_offset Flow table hash offset.
* @txd_size Tx DMA descriptor size.
* @rxd_size Rx DMA descriptor size.
* @rx_irq_done_mask Rx irq done register mask.
@@ -981,6 +982,7 @@ struct mtk_soc_data {
u32 required_clks;
bool required_pctl;
u8 offload_version;
+ u8 hash_offset;
netdev_features_t hw_features;
struct {
u32 txd_size;
--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
@@ -88,7 +88,7 @@ static void mtk_ppe_cache_enable(struct
enable * MTK_PPE_CACHE_CTL_EN);
}
-static u32 mtk_ppe_hash_entry(struct mtk_foe_entry *e)
+static u32 mtk_ppe_hash_entry(struct mtk_eth *eth, struct mtk_foe_entry *e)
{
u32 hv1, hv2, hv3;
u32 hash;
@@ -122,7 +122,7 @@ static u32 mtk_ppe_hash_entry(struct mtk
hash = (hash >> 24) | ((hash & 0xffffff) << 8);
hash ^= hv1 ^ hv2 ^ hv3;
hash ^= hash >> 16;
- hash <<= 1;
+ hash <<= (ffs(eth->soc->hash_offset) - 1);
hash &= MTK_PPE_ENTRIES - 1;
return hash;
@@ -540,15 +540,16 @@ mtk_foe_entry_commit_l2(struct mtk_ppe *
int mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_flow_entry *entry)
{
int type = FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, entry->data.ib1);
+ const struct mtk_soc_data *soc = ppe->eth->soc;
u32 hash;
if (type == MTK_PPE_PKT_TYPE_BRIDGE)
return mtk_foe_entry_commit_l2(ppe, entry);
- hash = mtk_ppe_hash_entry(&entry->data);
+ hash = mtk_ppe_hash_entry(ppe->eth, &entry->data);
entry->hash = 0xffff;
spin_lock_bh(&ppe_lock);
- hlist_add_head(&entry->list, &ppe->foe_flow[hash / 2]);
+ hlist_add_head(&entry->list, &ppe->foe_flow[hash / soc->hash_offset]);
spin_unlock_bh(&ppe_lock);
return 0;
@@ -558,6 +559,7 @@ static void
mtk_foe_entry_commit_subflow(struct mtk_ppe *ppe, struct mtk_flow_entry *entry,
u16 hash)
{
+ const struct mtk_soc_data *soc = ppe->eth->soc;
struct mtk_flow_entry *flow_info;
struct mtk_foe_entry foe, *hwe;
struct mtk_foe_mac_info *l2;
@@ -572,7 +574,8 @@ mtk_foe_entry_commit_subflow(struct mtk_
flow_info->l2_data.base_flow = entry;
flow_info->type = MTK_FLOW_TYPE_L2_SUBFLOW;
flow_info->hash = hash;
- hlist_add_head(&flow_info->list, &ppe->foe_flow[hash / 2]);
+ hlist_add_head(&flow_info->list,
+ &ppe->foe_flow[hash / soc->hash_offset]);
hlist_add_head(&flow_info->l2_data.list, &entry->l2_flows);
hwe = &ppe->foe_table[hash];
@@ -596,7 +599,8 @@ mtk_foe_entry_commit_subflow(struct mtk_
void __mtk_ppe_check_skb(struct mtk_ppe *ppe, struct sk_buff *skb, u16 hash)
{
- struct hlist_head *head = &ppe->foe_flow[hash / 2];
+ const struct mtk_soc_data *soc = ppe->eth->soc;
+ struct hlist_head *head = &ppe->foe_flow[hash / soc->hash_offset];
struct mtk_foe_entry *hwe = &ppe->foe_table[hash];
struct mtk_flow_entry *entry;
struct mtk_foe_bridge key = {};
@@ -680,9 +684,11 @@ int mtk_foe_entry_idle_time(struct mtk_p
struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base,
int version)
{
+ const struct mtk_soc_data *soc = eth->soc;
struct device *dev = eth->dev;
struct mtk_foe_entry *foe;
struct mtk_ppe *ppe;
+ u32 foe_flow_size;
ppe = devm_kzalloc(dev, sizeof(*ppe), GFP_KERNEL);
if (!ppe)
@@ -705,6 +711,12 @@ struct mtk_ppe *mtk_ppe_init(struct mtk_
ppe->foe_table = foe;
+ foe_flow_size = (MTK_PPE_ENTRIES / soc->hash_offset) *
+ sizeof(*ppe->foe_flow);
+ ppe->foe_flow = devm_kzalloc(dev, foe_flow_size, GFP_KERNEL);
+ if (!ppe->foe_flow)
+ return NULL;
+
mtk_ppe_debugfs_init(ppe);
return ppe;
--- a/drivers/net/ethernet/mediatek/mtk_ppe.h
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
@@ -270,7 +270,7 @@ struct mtk_ppe {
dma_addr_t foe_phys;
u16 foe_check_time[MTK_PPE_ENTRIES];
- struct hlist_head foe_flow[MTK_PPE_ENTRIES / 2];
+ struct hlist_head *foe_flow;
struct rhashtable l2_flows;