diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/750-v6.5-14-net-ethernet-mtk_eth_soc-support-per-flow-accounting.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/750-v6.5-14-net-ethernet-mtk_eth_soc-support-per-flow-accounting.patch | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/750-v6.5-14-net-ethernet-mtk_eth_soc-support-per-flow-accounting.patch b/target/linux/generic/backport-5.15/750-v6.5-14-net-ethernet-mtk_eth_soc-support-per-flow-accounting.patch new file mode 100644 index 0000000000..f314550af6 --- /dev/null +++ b/target/linux/generic/backport-5.15/750-v6.5-14-net-ethernet-mtk_eth_soc-support-per-flow-accounting.patch @@ -0,0 +1,78 @@ +From 0c024632c1e7ff69914329bfd87bec749b9c0aed Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Wed, 2 Aug 2023 04:31:09 +0100 +Subject: [PATCH 108/250] net: ethernet: mtk_eth_soc: support per-flow + accounting on MT7988 + +NETSYS_V3 uses 64 bits for each counters while older SoCs are using +48/40 bits for each counter. +Support reading per-flow byte and package counters on NETSYS_V3. + +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +Reviewed-by: Simon Horman <horms@kernel.org> +Link: https://lore.kernel.org/r/37a0928fa8c1253b197884c68ce1f54239421ac5.1690946442.git.daniel@makrotopia.org +Signed-off-by: Paolo Abeni <pabeni@redhat.com> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 1 + + drivers/net/ethernet/mediatek/mtk_ppe.c | 21 +++++++++++++------- + drivers/net/ethernet/mediatek/mtk_ppe_regs.h | 2 ++ + 3 files changed, 17 insertions(+), 7 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -4976,6 +4976,7 @@ static const struct mtk_soc_data mt7988_ + .version = 3, + .offload_version = 2, + .hash_offset = 4, ++ .has_accounting = true, + .foe_entry_size = MTK_FOE_ENTRY_V3_SIZE, + .txrx = { + .txd_size = sizeof(struct mtk_tx_dma_v2), +--- a/drivers/net/ethernet/mediatek/mtk_ppe.c ++++ b/drivers/net/ethernet/mediatek/mtk_ppe.c +@@ -91,7 +91,6 @@ static int mtk_ppe_mib_wait_busy(struct + + static int mtk_mib_entry_read(struct mtk_ppe *ppe, u16 index, u64 *bytes, u64 *packets) + { +- u32 byte_cnt_low, byte_cnt_high, pkt_cnt_low, pkt_cnt_high; + u32 val, cnt_r0, cnt_r1, cnt_r2; + int ret; + +@@ -106,12 +105,20 @@ static int mtk_mib_entry_read(struct mtk + cnt_r1 = readl(ppe->base + MTK_PPE_MIB_SER_R1); + cnt_r2 = readl(ppe->base + MTK_PPE_MIB_SER_R2); + +- byte_cnt_low = FIELD_GET(MTK_PPE_MIB_SER_R0_BYTE_CNT_LOW, cnt_r0); +- byte_cnt_high = FIELD_GET(MTK_PPE_MIB_SER_R1_BYTE_CNT_HIGH, cnt_r1); +- pkt_cnt_low = FIELD_GET(MTK_PPE_MIB_SER_R1_PKT_CNT_LOW, cnt_r1); +- pkt_cnt_high = FIELD_GET(MTK_PPE_MIB_SER_R2_PKT_CNT_HIGH, cnt_r2); +- *bytes = ((u64)byte_cnt_high << 32) | byte_cnt_low; +- *packets = (pkt_cnt_high << 16) | pkt_cnt_low; ++ if (mtk_is_netsys_v3_or_greater(ppe->eth)) { ++ /* 64 bit for each counter */ ++ u32 cnt_r3 = readl(ppe->base + MTK_PPE_MIB_SER_R3); ++ *bytes = ((u64)cnt_r1 << 32) | cnt_r0; ++ *packets = ((u64)cnt_r3 << 32) | cnt_r2; ++ } else { ++ /* 48 bit byte counter, 40 bit packet counter */ ++ u32 byte_cnt_low = FIELD_GET(MTK_PPE_MIB_SER_R0_BYTE_CNT_LOW, cnt_r0); ++ u32 byte_cnt_high = FIELD_GET(MTK_PPE_MIB_SER_R1_BYTE_CNT_HIGH, cnt_r1); ++ u32 pkt_cnt_low = FIELD_GET(MTK_PPE_MIB_SER_R1_PKT_CNT_LOW, cnt_r1); ++ u32 pkt_cnt_high = FIELD_GET(MTK_PPE_MIB_SER_R2_PKT_CNT_HIGH, cnt_r2); ++ *bytes = ((u64)byte_cnt_high << 32) | byte_cnt_low; ++ *packets = (pkt_cnt_high << 16) | pkt_cnt_low; ++ } + + return 0; + } +--- a/drivers/net/ethernet/mediatek/mtk_ppe_regs.h ++++ b/drivers/net/ethernet/mediatek/mtk_ppe_regs.h +@@ -163,6 +163,8 @@ enum { + #define MTK_PPE_MIB_SER_R2 0x348 + #define MTK_PPE_MIB_SER_R2_PKT_CNT_HIGH GENMASK(23, 0) + ++#define MTK_PPE_MIB_SER_R3 0x34c ++ + #define MTK_PPE_MIB_CACHE_CTL 0x350 + #define MTK_PPE_MIB_CACHE_CTL_EN BIT(0) + #define MTK_PPE_MIB_CACHE_CTL_FLUSH BIT(2) |