* [PATCH 4/5] drivers: net: APM X-Gene SoC Ethernet driver error handling
2013-12-21 3:42 [PATCH 0/5] drivers: net: Adding support for APM X-Gene SoC Ethernet base driver Iyappan Subramanian
2013-12-21 3:42 ` [PATCH 1/5] Documentation: APM X-Gene SoC Ethernet DTS binding documentation Iyappan Subramanian
2013-12-21 3:42 ` [PATCH 2/5] arm64: dts: APM X-Gene SoC Ethernet device tree nodes Iyappan Subramanian
@ 2013-12-21 3:42 ` Iyappan Subramanian
2013-12-22 9:34 ` Arnd Bergmann
2013-12-21 3:42 ` [PATCH 5/5] drivers: net: APM X-Gene SoC Ethernet driver ethtool support Iyappan Subramanian
` (2 subsequent siblings)
5 siblings, 1 reply; 13+ messages in thread
From: Iyappan Subramanian @ 2013-12-21 3:42 UTC (permalink / raw)
To: linux-arm-kernel
Error handling and error interrupt handler code.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Ravi Patel <rapatel@apm.com>
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
---
drivers/net/ethernet/apm/xgene/Makefile | 3 +-
drivers/net/ethernet/apm/xgene/xgene_enet_csr.h | 265 +++++++-
drivers/net/ethernet/apm/xgene/xgene_enet_err.c | 715 ++++++++++++++++++++++
drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 27 +
drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 4 +
5 files changed, 1011 insertions(+), 3 deletions(-)
create mode 100644 drivers/net/ethernet/apm/xgene/xgene_enet_err.c
diff --git a/drivers/net/ethernet/apm/xgene/Makefile b/drivers/net/ethernet/apm/xgene/Makefile
index 16dfc6c..091547e 100644
--- a/drivers/net/ethernet/apm/xgene/Makefile
+++ b/drivers/net/ethernet/apm/xgene/Makefile
@@ -5,6 +5,7 @@
xgene-enet-objs := \
xgene_enet_common.o \
xgene_enet_mac.o \
- xgene_enet_main.o
+ xgene_enet_main.o \
+ xgene_enet_err.o
obj-$(CONFIG_NET_XGENE) += xgene-enet.o
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_csr.h b/drivers/net/ethernet/apm/xgene/xgene_enet_csr.h
index c6b49c9..858d155 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_csr.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_csr.h
@@ -19,6 +19,13 @@
#ifndef __XGENE_ENET_CSR_H__
#define __XGENE_ENET_CSR_H__
+#define RSIF_INT_REG0_ADDR 0x00000054
+#define RSIF_FINT_REG0_ADDR 0x0000005c
+#define TSIF_INT_REG0_ADDR 0x0000012c
+#define TSIF_FINT_REG0_ADDR 0x00000134
+#define TSO_INT_REG0_ADDR 0x00000324
+#define SPI2SAP_INT_REG0_ADDR 0x00000448
+#define RX_TX_BUF_CHKSM_INT_REG0_ADDR 0x0000052c
#define ENET_SPARE_CFG_REG_ADDR 0x00000750
#define RSIF_CONFIG_REG_ADDR 0x00000010
#define RSIF_RAM_DBG_REG0_ADDR 0x00000048
@@ -33,7 +40,108 @@
#define TSIF_MSS_REG1_0_ADDR 0x00000110
#define TSO_CFG_0_ADDR 0x00000314
#define TSO_CFG_INSERT_VLAN_0_ADDR 0x0000031c
-#define CFG_RSIF_FPBUFF_TIMEOUT_EN_WR(src) (((u32)(src)<<31) & 0x80000000)
+#define CFG_RSIF_FPBUFF_TIMEOUT_EN_WR(src) \
+ (((u32)(src)<<31) & 0x80000000)
+#define RSIF_LCL_RXBUF_FIFO_OVERFL_INTR_RXPRT10_MASK 0x20000000
+#define RSIF_LCL_RXBUF_FIFO_OVERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x20000000)>>29)
+#define RSIF_LCL_RXBUF_FIFO_UNDERFL_INTR_RXPRT10_MASK 0x10000000
+#define RSIF_LCL_RXBUF_FIFO_UNDERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x10000000)>>28)
+#define RSIF_CHKSUM_BUFF_FIFO_OVERFL_INTR_RXPRT10_MASK 0x08000000
+#define RSIF_CHKSUM_BUFF_FIFO_OVERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x08000000)>>27)
+#define RSIF_CHKSUM_BUFF_FIFO_UNDERFL_INTR_RXPRT10_MASK 0x04000000
+#define RSIF_CHKSUM_BUFF_FIFO_UNDERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x04000000)>>26)
+#define RSIF_TIMESTAMP_BUFF_FIFO_OVERFL_INTR_RXPRT10_MASK 0x02000000
+#define RSIF_TIMESTAMP_BUFF_FIFO_OVERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x02000000)>>25)
+#define RSIF_TIMESTAMP_BUFF_FIFO_UNDERFL_INTR_RXPRT10_MASK 0x01000000
+#define RSIF_TIMESTAMP_BUFF_FIFO_UNDERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x01000000)>>24)
+#define RSIF_ERR_BUFF_FIFO_OVERFL_INTR_RXPRT10_MASK 0x00800000
+#define RSIF_ERR_BUFF_FIFO_OVERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x00800000)>>23)
+#define RSIF_ERR_BUFF_FIFO_UNDERFL_INTR_RXPRT10_MASK 0x00400000
+#define RSIF_ERR_BUFF_FIFO_UNDERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x00400000)>>22)
+#define RSIF_CLEBUFF_FIFO_OVERFL_INTR_RXPRT10_MASK 0x00200000
+#define RSIF_CLEBUFF_FIFO_OVERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x00200000)>>21)
+#define RSIF_CLEBUFF_FIFO_UNDERFL_INTR_RXPRT10_MASK 0x00100000
+#define RSIF_CLEBUFF_FIFO_UNDERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x00100000)>>20)
+#define RSIF_CTRLBUFF_FIFO_OVERFL_INTR_RXPRT10_MASK 0x00080000
+#define RSIF_CTRLBUFF_FIFO_OVERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x00080000)>>19)
+#define RSIF_CTRLBUFF_FIFO_UNDERFL_INTR_RXPRT10_MASK 0x00040000
+#define RSIF_CTRLBUFF_FIFO_UNDERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x00040000)>>18)
+#define RSIF_BUF_FIFO_OVERFL_INTR_RXPRT10_MASK 0x00020000
+#define RSIF_BUF_FIFO_OVERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x00020000)>>17)
+#define RSIF_BUF_FIFO_UNDERFL_INTR_RXPRT10_MASK 0x00010000
+#define RSIF_BUF_FIFO_UNDERFL_INTR_RXPRT10_RD(src) \
+ (((src) & 0x00010000)>>16)
+#define ENET_RSIF_PLC_CLEBUFF_FIFO_OVERFL_INTR0_MASK 0x00008000
+#define ENET_RSIF_PLC_CLEBUFF_FIFO_OVERFL_INTR0_RD(src) \
+ (((src) & 0x00008000)>>15)
+#define ENET_RSIF_PLC_CLEBUFF_FIFO_UNDERFL_INTR0_RD(src) \
+ (((src) & 0x00004000)>>14)
+#define RSIF_LCL_RXBUF_FIFO_UNDERFL_INTR_RXPRT00_MASK 0x00001000
+#define RSIF_LCL_RXBUF_FIFO_UNDERFL_INTR_RXPRT00_RD(src) \
+ (((src) & 0x00001000)>>12)
+#define RSIF_LCL_RXBUF_FIFO_OVERFL_INTR_RXPRT00_MASK 0x00002000
+#define RSIF_LCL_RXBUF_FIFO_OVERFL_INTR_RXPRT00_RD(src) \
+ (((src) & 0x00002000)>>13)
+#define RSIF_CHKSUM_BUFF_FIFO_OVERFL_INTR_RXPRT00_MASK 0x00000800
+#define RSIF_CHKSUM_BUFF_FIFO_OVERFL_INTR_RXPRT00_RD(src) \
+ (((src) & 0x00000800)>>11)
+#define RSIF_CHKSUM_BUFF_FIFO_UNDERFL_INTR_RXPRT00_MASK 0x00000400
+#define RSIF_CHKSUM_BUFF_FIFO_UNDERFL_INTR_RXPRT00_RD(src) \
+ (((src) & 0x00000400)>>10)
+#define RSIF_TIMESTAMP_BUFF_FIFO_OVERFL_INTR_RXPRT00_MASK 0x00000200
+#define RSIF_TIMESTAMP_BUFF_FIFO_OVERFL_INTR_RXPRT00_RD(src) \
+ (((src) & 0x00000200)>>9)
+#define RSIF_TIMESTAMP_BUFF_FIFO_UNDERFL_INTR_RXPRT00_MASK 0x00000100
+#define RSIF_TIMESTAMP_BUFF_FIFO_UNDERFL_INTR_RXPRT00_RD(src) \
+ (((src) & 0x00000100)>>8)
+#define RSIF_ERR_BUFF_FIFO_OVERFL_INTR_RXPRT00_MASK 0x00000080
+#define RSIF_ERR_BUFF_FIFO_OVERFL_INTR_RXPRT00_RD(src) (((src) & 0x00000080)>>7)
+#define RSIF_ERR_BUFF_FIFO_UNDERFL_INTR_RXPRT00_MASK 0x00000040
+#define RSIF_ERR_BUFF_FIFO_UNDERFL_INTR_RXPRT00_RD(src) \
+ (((src) & 0x00000040)>>6)
+#define RSIF_CLEBUFF_FIFO_OVERFL_INTR_RXPRT00_MASK 0x00000020
+#define RSIF_CLEBUFF_FIFO_OVERFL_INTR_RXPRT00_RD(src) (((src) & 0x00000020)>>5)
+#define RSIF_CLEBUFF_FIFO_UNDERFL_INTR_RXPRT00_MASK 0x00000010
+#define RSIF_CLEBUFF_FIFO_UNDERFL_INTR_RXPRT00_RD(src) (((src) & 0x00000010)>>4)
+#define RSIF_CTRLBUFF_FIFO_OVERFL_INTR_RXPRT00_MASK 0x00000008
+#define RSIF_CTRLBUFF_FIFO_OVERFL_INTR_RXPRT00_RD(src) (((src) & 0x00000008)>>3)
+#define RSIF_CTRLBUFF_FIFO_UNDERFL_INTR_RXPRT00_MASK 0x00000004
+#define RSIF_CTRLBUFF_FIFO_UNDERFL_INTR_RXPRT00_RD(src) \
+ (((src) & 0x00000004)>>2)
+#define RSIF_BUF_FIFO_OVERFL_INTR_RXPRT00_MASK 0x00000002
+#define RSIF_BUF_FIFO_OVERFL_INTR_RXPRT00_RD(src) (((src) & 0x00000002)>>1)
+#define RSIF_BUF_FIFO_UNDERFL_INTR_RXPRT00_MASK 0x00000001
+#define RSIF_BUF_FIFO_UNDERFL_INTR_RXPRT00_RD(src) (((src) & 0x00000001))
+#define RSIF_SS_MIRRORERR_INTR_RXPRT10_MASK 0x00080000
+#define RSIF_SS_MIRRORERR_INTR_RXPRT10_RD(src) (((src) & 0x00080000)>>19)
+#define RSIF_SS_SPLIT_BOUNDARY_INTR_RXPRT10_RD(src) (((src) & 0x00040000)>>18)
+#define RSIF_SS_FPBUFF_TIMEOUT_INTR_RXPRT10_MASK 0x00020000
+#define RSIF_SS_FPBUFF_TIMEOUT_INTR_RXPRT10_RD(src) (((src) & 0x00020000)>>17)
+#define RSIF_SS_AXI_WRERR_INTR_RXPRT10_MASK 0x00010000
+#define RSIF_SS_AXI_WRERR_INTR_RXPRT10_RD(src) (((src) & 0x00010000)>>16)
+#define RSIF_SS_MIRRORERR_INTR_RXPRT00_MASK 0x00000010
+#define RSIF_SS_MIRRORERR_INTR_RXPRT00_RD(src) (((src) & 0x00000010)>>4)
+#define RSIF_SS_SPLIT_BOUNDARY_INTR_RXPRT00_MASK 0x00000008
+#define RSIF_SS_SPLIT_BOUNDARY_INTR_RXPRT00_RD(src) (((src) & 0x00000008)>>3)
+#define RSIF_SS_FPBUFF_TIMEOUT_INTR_RXPRT00_MASK 0x00000004
+#define RSIF_SS_FPBUFF_TIMEOUT_INTR_RXPRT00_RD(src) (((src) & 0x00000004)>>2)
+#define RSIF_SS_AXI_WRERR_INTR_RXPRT00_MASK 0x00000002
+#define RSIF_SS_AXI_WRERR_INTR_RXPRT00_RD(src) (((src) & 0x00000002)>>1)
+#define STS_RSIF_PLC_DROP0_MASK 0x00000001
+#define STS_RSIF_PLC_DROP0_RD(src) (((src) & 0x00000001))
#define CFG_TSIF_MSS_SZ10_SET(dst, src) \
(((dst) & ~0x3fff0000) | (((u32)(src)<<16) & 0x3fff0000))
#define CFG_TSIF_MSS_SZ00_SET(dst, src) \
@@ -42,7 +150,99 @@
(((dst) & ~0x00003fff) | (((u32)(src)) & 0x00003fff))
#define CFG_TSIF_MSS_SZ30_SET(dst, src) \
(((dst) & ~0x3fff0000) | (((u32)(src)<<16) & 0x3fff0000))
+#define TSIF_RDMBUFF_FIFO_OVERFL_INTR_PRT10_MASK 0x00200000
+#define TSIF_RDMBUFF_FIFO_OVERFL_INTR_PRT10_RD(src) (((src) & 0x00200000)>>21)
+#define TSIF_RDMBUFF_FIFO_UNDERFL_INTR_PRT10_MASK 0x00100000
+#define TSIF_RDMBUFF_FIFO_UNDERFL_INTR_PRT10_RD(src) (((src) & 0x00100000)>>20)
+#define TSIF_RRM_FIFO_OVERFL_INTR_PRT10_MASK 0x00080000
+#define TSIF_RRM_FIFO_OVERFL_INTR_PRT10_RD(src) (((src) & 0x00080000)>>19)
+#define TSIF_RRM_FIFO_UNDERFL_INTR_PRT10_MASK 0x00040000
+#define TSIF_RRM_FIFO_UNDERFL_INTR_PRT10_RD(src) (((src) & 0x00040000)>>18)
+#define TSIF_AMABUF_FIFO_OVERFL_INTR_PRT10_MASK 0x00020000
+#define TSIF_AMABUF_FIFO_OVERFL_INTR_PRT10_RD(src) (((src) & 0x00020000)>>17)
+#define TSIF_AMABUF_FIFO_UNDERFL_INTR_PRT10_MASK 0x00010000
+#define TSIF_AMABUF_FIFO_UNDERFL_INTR_PRT10_RD(src) (((src) & 0x00010000)>>16)
+#define TSIF_RDMBUFF_FIFO_OVERFL_INTR_PRT00_MASK 0x00000020
+#define TSIF_RDMBUFF_FIFO_OVERFL_INTR_PRT00_RD(src) (((src) & 0x00000020)>>5)
+#define TSIF_RDMBUFF_FIFO_UNDERFL_INTR_PRT00_MASK 0x00000010
+#define TSIF_RDMBUFF_FIFO_UNDERFL_INTR_PRT00_RD(src) (((src) & 0x00000010)>>4)
+#define TSIF_RRM_FIFO_OVERFL_INTR_PRT00_MASK 0x00000008
+#define TSIF_RRM_FIFO_OVERFL_INTR_PRT00_RD(src) (((src) & 0x00000008)>>3)
+#define TSIF_RRM_FIFO_UNDERFL_INTR_PRT00_MASK 0x00000004
+#define TSIF_RRM_FIFO_UNDERFL_INTR_PRT00_RD(src) (((src) & 0x00000004)>>2)
+#define TSIF_AMABUF_FIFO_OVERFL_INTR_PRT00_MASK 0x00000002
+#define TSIF_AMABUF_FIFO_OVERFL_INTR_PRT00_RD(src) (((src) & 0x00000002)>>1)
+#define TSIF_AMABUF_FIFO_UNDERFL_INTR_PRT00_MASK 0x00000001
+#define TSIF_AMABUF_FIFO_UNDERFL_INTR_PRT00_RD(src) (((src) & 0x00000001))
+#define TSIF_SS_AXI_LLRDERR_INTR_PRT10_MASK 0x00040000
+#define TSIF_SS_AXI_LLRDERR_INTR_PRT10_RD(src) (((src) & 0x00040000)>>18)
+#define TSIF_SS_AXI_RDERR_INTR_PRT10_MASK 0x00020000
+#define TSIF_SS_AXI_RDERR_INTR_PRT10_RD(src) (((src) & 0x00020000)>>17)
+#define TSIF_SS_BAD_MSG_INTR_PRT10_MASK 0x00010000
+#define TSIF_SS_BAD_MSG_INTR_PRT10_RD(src) (((src) & 0x00010000)>>16)
+#define TSIF_SS_AXI_LLRDERR_INTR_PRT00_MASK 0x00000004
+#define TSIF_SS_AXI_LLRDERR_INTR_PRT00_RD(src) (((src) & 0x00000004)>>2)
+#define TSIF_SS_AXI_RDERR_INTR_PRT00_MASK 0x00000002
+#define TSIF_SS_AXI_RDERR_INTR_PRT00_RD(src) (((src) & 0x00000002)>>1)
+#define TSIF_SS_BAD_MSG_INTR_PRT00_MASK 0x00000001
+#define TSIF_SS_BAD_MSG_INTR_PRT00_RD(src) (((src) & 0x00000001))
#define RESUME_TX_WR(src) (((u32)(src)) & 0x00000001)
+#define MB_TTF_FIFO_OVERFL_INTR_PRT10_RD(src) (((src) & 0x00200000)>>21)
+#define MB_TTF_FIFO_OVERFL_INTR_PRT10_MASK 0x00200000
+#define MB_TTF_FIFO_UNDERFL_INTR_PRT10_RD(src) (((src) & 0x00100000)>>20)
+#define MB_TTF_FIFO_UNDERFL_INTR_PRT10_MASK 0x00100000
+#define MH_DEALLOC_FIFO_OVERFL_INTR_PRT10_RD(src) (((src) & 0x00080000)>>19)
+#define MH_DEALLOC_FIFO_OVERFL_INTR_PRT10_MASK 0x00080000
+#define MH_DEALLOC_FIFO_UNDERFL_INTR_PRT10_RD(src) (((src) & 0x00040000)>>18)
+#define MH_DEALLOC_FIFO_UNDERFL_INTR_PRT10_MASK 0x00040000
+#define MH_FIFO_OVERFL_INTR_PRT10_RD(src) (((src) & 0x00020000)>>17)
+#define MH_FIFO_OVERFL_INTR_PRT10_MASK 0x00020000
+#define MH_FIFO_UNDERFL_INTR_PRT10_RD(src) (((src) & 0x00010000)>>16)
+#define MH_FIFO_UNDERFL_INTR_PRT10_MASK 0x00010000
+#define MB_TTF_FIFO_OVERFL_INTR_PRT00_RD(src) (((src) & 0x00000020)>>5)
+#define MB_TTF_FIFO_OVERFL_INTR_PRT00_MASK 0x00000020
+#define MB_TTF_FIFO_UNDERFL_INTR_PRT00_RD(src) (((src) & 0x00000010)>>4)
+#define MB_TTF_FIFO_UNDERFL_INTR_PRT00_MASK 0x00000010
+#define MH_DEALLOC_FIFO_OVERFL_INTR_PRT00_RD(src) (((src) & 0x00000008)>>3)
+#define MH_DEALLOC_FIFO_OVERFL_INTR_PRT00_MASK 0x00000008
+#define MH_DEALLOC_FIFO_UNDERFL_INTR_PRT00_RD(src) (((src) & 0x00000004)>>2)
+#define MH_DEALLOC_FIFO_UNDERFL_INTR_PRT00_MASK 0x00000004
+#define MH_FIFO_OVERFL_INTR_PRT00_RD(src) (((src) & 0x00000002)>>1)
+#define MH_FIFO_OVERFL_INTR_PRT00_MASK 0x00000002
+#define MH_FIFO_UNDERFL_INTR_PRT00_RD(src) (((src) & 0x00000001))
+#define MH_FIFO_UNDERFL_INTR_PRT00_MASK 0x00000001
+#define MACIF_FIFO_OVERFL_INTR_RXPRT10_RD(src) (((src) & 0x00020000)>>17)
+#define MACIF_FIFO_OVERFL_INTR_RXPRT10_MASK 0x00020000
+#define MACIF_FIFO_OVERFL_INTR_RXPRT00_RD(src) (((src) & 0x00000002)>>1)
+#define MACIF_FIFO_OVERFL_INTR_RXPRT00_MASK 0x00000002
+#define MACIF_FIFO_UNDERFL_INTR_RXPRT10_RD(src) (((src) & 0x00010000)>>16)
+#define MACIF_FIFO_UNDERFL_INTR_RXPRT10_MASK 0x00010000
+#define MACIF_FIFO_UNDERFL_INTR_RXPRT00_RD(src) (((src) & 0x00000001))
+#define MACIF_FIFO_UNDERFL_INTR_RXPRT00_MASK 0x00000001
+#define RXBUF_PAUSE_INTR_PORT10_RD(src) (((src) & 0x00400000)>>22)
+#define RXBUF_PAUSE_INTR_PORT10_MASK 0x00400000
+#define RX_CHKSUM_INTR_PORT10_RD(src) (((src) & 0x00200000)>>21)
+#define RX_CHKSUM_INTR_PORT10_MASK 0x00200000
+#define TX_CHKSUM_INTR_PORT10_RD(src) (((src) & 0x00100000)>>20)
+#define TX_CHKSUM_INTR_PORT10_MASK 0x00100000
+#define RXBUF_FIFO_OVERFL_INTR_PRT10_RD(src) (((src) & 0x00080000)>>19)
+#define RXBUF_FIFO_OVERFL_INTR_PRT10_MASK 0x00080000
+#define RXBUF_FIFO_UNDERFL_INTR_PRT10_RD(src) (((src) & 0x00040000)>>18)
+#define RXBUF_FIFO_UNDERFL_INTR_PRT10_MASK 0x00040000
+#define TXBUF_FIFO_OVERFL_INTR_PRT10_RD(src) (((src) & 0x00020000)>>17)
+#define TXBUF_FIFO_UNDERFL_INTR_PRT10_RD(src) (((src) & 0x00010000)>>16)
+#define RXBUF_PAUSE_INTR_PORT00_RD(src) (((src) & 0x00000040)>>6)
+#define RX_CHKSUM_INTR_PORT00_RD(src) (((src) & 0x00000020)>>5)
+#define RX_CHKSUM_INTR_PORT00_MASK 0x00000020
+#define RXBUF_PAUSE_INTR_PORT00_MASK 0x00000040
+#define TX_CHKSUM_INTR_PORT00_RD(src) (((src) & 0x00000010)>>4)
+#define TX_CHKSUM_INTR_PORT00_MASK 0x00000010
+#define RXBUF_FIFO_OVERFL_INTR_PRT00_RD(src) (((src) & 0x00000008)>>3)
+#define RXBUF_FIFO_OVERFL_INTR_PRT00_MASK 0x00000008
+#define RXBUF_FIFO_UNDERFL_INTR_PRT00_RD(src) (((src) & 0x00000004)>>2)
+#define RXBUF_FIFO_UNDERFL_INTR_PRT00_MASK 0x00000004
+#define TXBUF_FIFO_OVERFL_INTR_PRT00_RD(src) (((src) & 0x00000002)>>1)
+#define TXBUF_FIFO_UNDERFL_INTR_PRT00_RD(src) (((src) & 0x00000001))
#define CFG_SPEED_1250_WR(src) (((u32)(src)<<24) & 0x01000000)
#define CFG_TXCLK_MUXSEL0_WR(src) (((u32)(src)<<29) & 0xe0000000)
#define TX_PORT0_WR(src) (((u32)(src)) & 0x00000001)
@@ -58,6 +258,8 @@
(((dst) & ~0x000f0000) | (((u32)(src)<<16) & 0x000f0000))
#define CFG_CLE_HENQNUM0_SET(dst, src) \
(((dst) & ~0x0fff0000) | (((u32)(src)<<16) & 0x0fff0000))
+#define MAC_INT_REG0_ADDR 0x00000514
+#define MAC_INT_REG1_ADDR 0x0000051c
#define ICM_CONFIG0_REG_0_ADDR 0x00000400
#define ICM_CONFIG2_REG_0_ADDR 0x00000410
#define ECM_CONFIG0_REG_0_ADDR 0x00000500
@@ -68,10 +270,69 @@
(((dst) & ~0x00000002) | (((u32)(src)<<1) & 0x00000002))
#define RESUME_RX0_SET(dst, src) \
(((dst) & ~0x00000001) | (((u32)(src)) & 0x00000001))
+#define ICM_DATA_FIFO_UNDERFL_INTR_PRT10_RD(src) (((src) & 0x01000000)>>24)
+#define ICM_DATA_FIFO_UNDERFL_INTR_PRT10_MASK 0x01000000
+#define ICM_DATA_FIFO_OVERFL_INTR_PRT10_MASK 0x00800000
+#define ICM_CTRL_FIFO_OVERFL_INTR_PRT00_RD(src) (((src) & 0x00000020)>>5)
+#define ICM_CTRL_FIFO_OVERFL_INTR_PRT00_MASK 0x00000020
+#define ICM_CTRL_FIFO_OVERFL_INTR_PRT10_RD(src) (((src) & 0x00200000)>>21)
+#define ICM_CTRL_FIFO_OVERFL_INTR_PRT10_MASK 0x00200000
+#define ICM_CTRL_FIFO_UNDERFL_INTR_PRT10_RD(src) (((src) & 0x00400000)>>22)
+#define ICM_CTRL_FIFO_UNDERFL_INTR_PRT10_MASK 0x00400000
+#define ICM_CTRL_FIFO_UNDERFL_INTR_PRT00_RD(src) (((src) & 0x00000040)>>6)
+#define ICM_CTRL_FIFO_UNDERFL_INTR_PRT00_MASK 0x00000040
+#define ICM_DATA_FIFO_OVERFL_INTR_PRT00_RD(src) (((src) & 0x00000080)>>7)
+#define ICM_DATA_FIFO_OVERFL_INTR_PRT10_RD(src) (((src) & 0x00800000)>>23)
+#define ICM_DATA_FIFO_OVERFL_INTR_PRT00_MASK 0x00000080
+#define ICM_DATA_FIFO_UNDERFL_INTR_PRT00_RD(src) (((src) & 0x00000100)>>8)
+#define ICM_DATA_FIFO_UNDERFL_INTR_PRT00_MASK 0x00000100
+#define ECM_DATA_FIFO_UNDERN_INTR_PRT00_RD(src) (((src) & 0x00000010)>>4)
+#define ECM_DATA_FIFO_UNDERN_INTR_PRT00_MASK 0x00000010
+#define ECM_DATA_FIFO_UNDERN_INTR_PRT10_RD(src) (((src) & 0x00100000)>>20)
+#define ECM_DATA_FIFO_UNDERN_INTR_PRT10_MASK 0x00100000
+#define ECM_DATA_FIFO_UNDERFL_INTR_PRT10_RD(src) (((src) & 0x00080000)>>19)
+#define ECM_DATA_FIFO_UNDERFL_INTR_PRT10_MASK 0x00080000
+#define ECM_DATA_FIFO_OVERFL_INTR_PRT10_RD(src) (((src) & 0x00040000)>>18)
+#define ECM_DATA_FIFO_OVERFL_INTR_PRT10_MASK 0x00040000
+#define CARRY_PORT01_RD(src) (((src) & 0x00000001))
+#define CARRY_PORT01_MASK 0x00000001
+#define LINKDOWN_PORT11_RD(src) (((src) & 0x00000008)>>3)
+#define LINKDOWN_PORT11_MASK 0x00000008
+#define CARRY_PORT11_RD(src) (((src) & 0x00000004)>>2)
+#define CARRY_PORT11_MASK 0x00000004
+#define LINKDOWN_PORT01_RD(src) (((src) & 0x00000002)>>1)
+#define LINKDOWN_PORT01_MASK 0x00000002
+#define MACIF_FIFO_UNDERFL_INTR_RXPRT00_F2_RD(src) (((src) & 0x00000002)>>1)
+#define MACIF_FIFO_UNDERFL_INTR_RXPRT00_F2_MASK 0x00000002
+#define MACIF_FIFO_UNDERFL_INTR_RXPRT10_F2_RD(src) (((src) & 0x00020000)>>17)
+#define MACIF_FIFO_UNDERFL_INTR_RXPRT10_F2_MASK 0x00020000
+#define MACIF_FIFO_OVERFL_INTR_RXPRT00_F2_RD(src) (((src) & 0x00000001))
+#define MACIF_FIFO_OVERFL_INTR_RXPRT00_F2_MASK 0x00000001
+#define MACIF_FIFO_OVERFL_INTR_RXPRT10_F2_RD(src) (((src) & 0x00010000)>>16)
+#define MACIF_FIFO_OVERFL_INTR_RXPRT10_F2_MASK 0x00010000
+#define ECM_DATA_FIFO_UNDERFL_INTR_PRT00_RD(src) (((src) & 0x00000008)>>3)
+#define ECM_DATA_FIFO_UNDERFL_INTR_PRT00_MASK 0x00000008
+#define ECM_DATA_FIFO_OVERFL_INTR_PRT00_RD(src) (((src) & 0x00000004)>>2)
+#define ECM_DATA_FIFO_OVERFL_INTR_PRT00_MASK 0x00000004
+#define ENET_STSSSQMIINT0_ADDR 0x0000009c
+#define ENET_STSSSQMIINT1_ADDR 0x000000a4
+#define ENET_STSSSQMIINT2_ADDR 0x000000ac
+#define ENET_STSSSQMIINT3_ADDR 0x000000b4
+#define ENET_STSSSQMIINT4_ADDR 0x000000bc
#define ENET_CFGSSQMIWQASSOC_ADDR 0x000000e0
#define ENET_CFGSSQMIFPQASSOC_ADDR 0x000000dc
#define ENET_CFGSSQMIQMLITEFPQASSOC_ADDR 0x000000f0
#define ENET_CFGSSQMIQMLITEWQASSOC_ADDR 0x000000f4
+#define ENET_FPOVERFLOW0_RD(src) (((src) & 0xffffffff))
+#define ENET_WQOVERFLOW1_RD(src) (((src) & 0xffffffff))
+#define ENET_FPUNDERRUN2_RD(src) (((src) & 0xffffffff))
+#define ENET_WQUNDERRUN3_RD(src) (((src) & 0xffffffff))
+#define ENET_AXIWCMR_SLVERR4_RD(src) (((src) & 0x00000002)>>1)
+#define ENET_AXIWCMR_SLVERR4_MASK 0x00000002
+#define ENET_FPOVERFLOW0_MASK 0xffffffff
+#define ENET_WQOVERFLOW1_MASK 0xffffffff
+#define ENET_FPUNDERRUN2_MASK 0xffffffff
+#define ENET_WQUNDERRUN3_MASK 0xffffffff
#define ENET_CLKEN_ADDR 0x00000008
#define ENET_SRST_ADDR 0x00000000
#define CSR0_RESET_WR(src) (((u32)(src)) & 0x00000001)
@@ -159,4 +420,4 @@
#define TX_FCS_ERROR_CNTR_MASK 0x00000fff
#define TX_UNDSIZE_FRAME_CNTR_MASK 0x00000fff
-#endif /* __XGENE_ENET_CSR_H__ */
+#endif /* __XGENE_ENET_CSR_H__ */
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_err.c b/drivers/net/ethernet/apm/xgene/xgene_enet_err.c
new file mode 100644
index 0000000..5be6531
--- /dev/null
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_err.c
@@ -0,0 +1,715 @@
+/* AppliedMicro X-Gene SoC Ethernet Driver
+ *
+ * Copyright (c) 2013, Applied Micro Circuits Corporation
+ * Authors: Ravi Patel <rapatel@apm.com>
+ * Iyappan Subramanian <isubramanian@apm.com>
+ * Fushen Chen <fchen@apm.com>
+ * Keyur Chudgar <kchudgar@apm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include "xgene_enet_main.h"
+#include "xgene_enet_csr.h"
+
+int xgene_enet_parse_error(u8 LErr, int qid)
+{
+ /* QM Error */
+ switch (LErr) {
+ case 1:
+ pr_err("LErr[%d] QID %d: QM msg size error\n", LErr, qid);
+ return 0;
+ case 2:
+ pr_err("LErr[%d] QID %d: QM msg hop count error\n", LErr, qid);
+ return 0;
+ case 3:
+ pr_err("LErr[%d] QID %d: enqueue to virtual queue error\n",
+ LErr, qid);
+ return 0;
+ case 4:
+ pr_err("LErr[%d] QID %d: enqueue to disable queue error\n",
+ LErr, qid);
+ return 0;
+ case 5:
+ pr_debug("LErr[%d] QID %d: queue overfill error\n", LErr, qid);
+ return 1;
+ case 6:
+ pr_err("LErr[%d] QID %d: QM enqueue error\n", LErr, qid);
+ return 0;
+ case 7:
+ pr_err("LErr[%d] QID %d: QM dequeue error\n", LErr, qid);
+ return 0;
+ }
+ return 0;
+}
+
+static irqreturn_t xgene_enet_qmi_err_irq(int irq, void *dev_instance)
+{
+ struct xgene_enet_pdev *pdev;
+ struct xgene_enet_priv *priv;
+ int rc;
+ u32 data;
+ u32 int_mask = 0;
+
+ pdev = netdev_priv(dev_instance);
+ priv = &pdev->priv;
+ pr_err("Received Ethernet QMI Error Interrupt\n");
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR, ENET_STSSSQMIINT0_ADDR, &data);
+ if (data) {
+ pr_err("Received STSSSQMIINT0 Error intr\n");
+ if (ENET_FPOVERFLOW0_RD(data)) {
+ pr_err("FP PB overflow indication:0x%08X\n", data);
+ int_mask |= ENET_FPOVERFLOW0_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ ENET_STSSSQMIINT0_ADDR, int_mask);
+ }
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR, ENET_STSSSQMIINT1_ADDR, &data);
+ int_mask = 0;
+ if (data) {
+ pr_err("Received STSSSQMIINT1 Error Interrupt\n");
+ if (ENET_WQOVERFLOW1_RD(data)) {
+ pr_err("WQ PB overflow indication:0x%08X\n", data);
+ int_mask |= ENET_WQOVERFLOW1_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ ENET_STSSSQMIINT1_ADDR, int_mask);
+ }
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR, ENET_STSSSQMIINT2_ADDR, &data);
+ int_mask = 0;
+ if (data) {
+ pr_err("Received STSSSQMIINT2 Error Interrupt\n");
+ if (ENET_FPUNDERRUN2_RD(data)) {
+ pr_err("FP PB underrun indication:0x%08X\n", data);
+ int_mask |= ENET_FPUNDERRUN2_MASK;
+ }
+
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ ENET_STSSSQMIINT2_ADDR, int_mask);
+ }
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR, ENET_STSSSQMIINT3_ADDR, &data);
+ int_mask = 0;
+ if (data) {
+ pr_err("Received STSSSQMIINT3 Error Interrupt\n");
+ if (ENET_WQUNDERRUN3_RD(data)) {
+ pr_err("WQ PB underrun indication:0x%08X\n", data);
+ int_mask |= ENET_WQUNDERRUN3_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ ENET_STSSSQMIINT3_ADDR, int_mask);
+ }
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR, ENET_STSSSQMIINT4_ADDR, &data);
+ int_mask = 0;
+ if (data) {
+ pr_err("Received STSSSQMIINT4 Error Interrupt\n");
+ if (ENET_AXIWCMR_SLVERR4_RD(data)) {
+ pr_err("AXI slave error on write master channel\n");
+ int_mask |= ENET_AXIWCMR_SLVERR4_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ ENET_STSSSQMIINT4_ADDR, int_mask);
+ }
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t xgene_enet_mac_err_irq(int irq, void *dev_instance)
+{
+ struct xgene_enet_pdev *pdev;
+ struct xgene_enet_priv *priv;
+ int rc;
+ u32 data;
+ u32 int_mask = 0;
+
+ pdev = netdev_priv(dev_instance);
+ priv = &pdev->priv;
+ pr_err("Received Ethernet MAC Error Interrupt\n");
+
+ rc = xgene_enet_rd(priv, BLOCK_MCX_MAC_CSR, MAC_INT_REG0_ADDR, &data);
+ if (data) {
+ pr_err("Received MAC Error Interrupt\n");
+
+ if (ICM_DATA_FIFO_UNDERFL_INTR_PRT10_RD(data)) {
+ pr_err("RxPort1 ICM Data fifo underflow intr\n");
+ int_mask |= ICM_DATA_FIFO_UNDERFL_INTR_PRT10_MASK;
+ }
+ if (ICM_DATA_FIFO_OVERFL_INTR_PRT10_RD(data)) {
+ pr_err("RxPort1 ICM Data fifo overflow intr\n");
+ int_mask |= ICM_DATA_FIFO_OVERFL_INTR_PRT10_MASK;
+ }
+ if (ICM_CTRL_FIFO_UNDERFL_INTR_PRT10_RD(data)) {
+ pr_err("RxPort1 ICM Ctrl fifo underflow intr\n");
+ int_mask |= ICM_CTRL_FIFO_UNDERFL_INTR_PRT10_MASK;
+ }
+ if (ICM_CTRL_FIFO_OVERFL_INTR_PRT10_RD(data)) {
+ pr_err("RxPort1 ICM Ctrl fifo overflow intr\n");
+ int_mask |= ICM_CTRL_FIFO_OVERFL_INTR_PRT10_MASK;
+ }
+ if (ECM_DATA_FIFO_UNDERN_INTR_PRT10_RD(data)) {
+ pr_err("RxPort1 ECM Data fifo underrun intr\n");
+ int_mask |= ECM_DATA_FIFO_UNDERN_INTR_PRT10_MASK;
+ }
+ if (ECM_DATA_FIFO_UNDERFL_INTR_PRT10_RD(data)) {
+ pr_err("TxPort1 ECM Data fifo underflow intr\n");
+ int_mask |= ECM_DATA_FIFO_UNDERFL_INTR_PRT10_MASK;
+ }
+ if (ECM_DATA_FIFO_OVERFL_INTR_PRT10_RD(data)) {
+ pr_err("TxPort1 ECM Data fifo overflow intr\n");
+ int_mask |= ECM_DATA_FIFO_OVERFL_INTR_PRT10_MASK;
+ }
+ if (MACIF_FIFO_UNDERFL_INTR_RXPRT10_F2_RD(data)) {
+ pr_err("RxPort1 Mac i/f fifo underflow intr\n");
+ int_mask |= MACIF_FIFO_UNDERFL_INTR_RXPRT10_F2_MASK;
+ }
+ if (MACIF_FIFO_OVERFL_INTR_RXPRT10_F2_RD(data)) {
+ pr_err("RxPort1 Mac i/f fifo overflow intr\n");
+ int_mask |= MACIF_FIFO_OVERFL_INTR_RXPRT10_F2_MASK;
+ }
+ if (ICM_DATA_FIFO_UNDERFL_INTR_PRT00_RD(data)) {
+ pr_err("RxPort0 ICM Data fifo underflow intr\n");
+ int_mask |= ICM_DATA_FIFO_UNDERFL_INTR_PRT00_MASK;
+ }
+ if (ICM_DATA_FIFO_OVERFL_INTR_PRT00_RD(data)) {
+ pr_err("RxPort0 ICM Data fifo overflow intr\n");
+ int_mask |= ICM_DATA_FIFO_OVERFL_INTR_PRT00_MASK;
+ }
+ if (ICM_CTRL_FIFO_UNDERFL_INTR_PRT00_RD(data)) {
+ pr_err("RxPort0 ICM Ctrl fifo underflow intr\n");
+ int_mask |= ICM_CTRL_FIFO_UNDERFL_INTR_PRT00_MASK;
+ }
+ if (ICM_CTRL_FIFO_OVERFL_INTR_PRT00_RD(data)) {
+ pr_err("RxPort0 ICM Ctrl fifo overflow Interrupt\n");
+ int_mask |= ICM_CTRL_FIFO_OVERFL_INTR_PRT00_MASK;
+ }
+ if (ECM_DATA_FIFO_UNDERN_INTR_PRT00_RD(data)) {
+ pr_err("RxPort0 ECM Data fifo underrun interrupt\n");
+ int_mask |= ECM_DATA_FIFO_UNDERN_INTR_PRT00_MASK;
+ }
+ if (ECM_DATA_FIFO_UNDERFL_INTR_PRT00_RD(data)) {
+ pr_err("TxPort0 ECM Data fifo underflow interrupt\n");
+ int_mask |= ECM_DATA_FIFO_UNDERFL_INTR_PRT00_MASK;
+ }
+ if (ECM_DATA_FIFO_OVERFL_INTR_PRT00_RD(data)) {
+ pr_err("TxPort0 ECM Data fifo overflow interrupt\n");
+ int_mask |= ECM_DATA_FIFO_OVERFL_INTR_PRT00_MASK;
+ }
+ if (MACIF_FIFO_UNDERFL_INTR_RXPRT00_F2_RD(data)) {
+ pr_err("RxPort0 Mac i/f fifo underflow interrupt\n");
+ int_mask |= MACIF_FIFO_UNDERFL_INTR_RXPRT00_F2_MASK;
+ }
+ if (MACIF_FIFO_OVERFL_INTR_RXPRT00_F2_RD(data)) {
+ pr_err("RxPort0 Mac i/f fifo overflow interrupt\n");
+ int_mask |= MACIF_FIFO_OVERFL_INTR_RXPRT00_F2_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_MCX_MAC_CSR,
+ MAC_INT_REG0_ADDR, int_mask);
+ }
+ rc = xgene_enet_rd(priv, BLOCK_MCX_MAC_CSR, MAC_INT_REG1_ADDR, &data);
+ int_mask = 0;
+ if (data) {
+ pr_err("Received MAC Error Interrupt1\n");
+ if (LINKDOWN_PORT11_RD(data)) {
+ pr_err("Port1:Link Down intr\n");
+ int_mask |= LINKDOWN_PORT11_MASK;
+ }
+ if (CARRY_PORT11_RD(data)) {
+ pr_err("Carry Intr for Status Reg Overflow for Port 1\n");
+ int_mask |= CARRY_PORT11_MASK;
+ }
+ if (LINKDOWN_PORT01_RD(data)) {
+ pr_err("Port0:Link Down intr\n");
+ int_mask |= LINKDOWN_PORT01_MASK;
+ }
+ if (CARRY_PORT01_RD(data)) {
+ pr_err("Carry Intr for Status Reg Overflow for Port 0\n");
+ int_mask |= CARRY_PORT01_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_MCX_MAC_CSR,
+ MAC_INT_REG1_ADDR, int_mask);
+ }
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t xgene_enet_err_irq(int irq, void *dev_instance)
+{
+ struct xgene_enet_pdev *pdev;
+ struct xgene_enet_priv *priv;
+ int rc;
+ u32 data;
+ u32 int_mask = 0;
+
+ pdev = netdev_priv(dev_instance);
+ priv = &pdev->priv;
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR, RSIF_INT_REG0_ADDR, &data);
+ if (data) {
+ pr_err("Received RSIF Error Interrupt\n");
+ if (RSIF_LCL_RXBUF_FIFO_OVERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 Local Rxbuff FIFO overflow intr\n");
+ int_mask |=
+ RSIF_LCL_RXBUF_FIFO_OVERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_LCL_RXBUF_FIFO_UNDERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 Local Rxbuff FIFO underflow intr\n");
+ int_mask |=
+ RSIF_LCL_RXBUF_FIFO_UNDERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_CHKSUM_BUFF_FIFO_OVERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 chksum buff FIFO overflow intr\n");
+ int_mask |=
+ RSIF_CHKSUM_BUFF_FIFO_OVERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_CHKSUM_BUFF_FIFO_UNDERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 chksum buffer FIFO underflow intr\n");
+ int_mask |=
+ RSIF_CHKSUM_BUFF_FIFO_UNDERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_TIMESTAMP_BUFF_FIFO_OVERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 timestamp buffer FIFO overflow intr\n");
+ int_mask |=
+ RSIF_TIMESTAMP_BUFF_FIFO_OVERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_TIMESTAMP_BUFF_FIFO_UNDERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 timestamp FIFO underflow intr\n");
+ int_mask |=
+ RSIF_TIMESTAMP_BUFF_FIFO_UNDERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_ERR_BUFF_FIFO_OVERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 err buffer FIFO overflow intr\n");
+ int_mask |= RSIF_ERR_BUFF_FIFO_OVERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_ERR_BUFF_FIFO_UNDERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 err buffer FIFO underflow intr\n");
+ int_mask |=
+ RSIF_ERR_BUFF_FIFO_UNDERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_CLEBUFF_FIFO_OVERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 classifier buffer FIFO overflow intr\n");
+ int_mask |= RSIF_CLEBUFF_FIFO_OVERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_CLEBUFF_FIFO_UNDERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 classifier buffer FIFO underflow intr\n");
+ int_mask |= RSIF_CLEBUFF_FIFO_UNDERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_CTRLBUFF_FIFO_OVERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 ctrl buffer FIFO overflow intr\n");
+ int_mask |= RSIF_CTRLBUFF_FIFO_OVERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_CTRLBUFF_FIFO_UNDERFL_INTR_RXPRT10_RD(data)) {
+ pr_err(" Rx port1 ctrl buffer FIFO underflow intr\n");
+ int_mask |=
+ RSIF_CTRLBUFF_FIFO_UNDERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_BUF_FIFO_OVERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 buffer FIFO overflow intr\n");
+ int_mask |= RSIF_BUF_FIFO_OVERFL_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_BUF_FIFO_UNDERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 buffer FIFO underflow intr\n");
+ int_mask |= RSIF_BUF_FIFO_UNDERFL_INTR_RXPRT10_MASK;
+ }
+ if (ENET_RSIF_PLC_CLEBUFF_FIFO_OVERFL_INTR0_RD(data)) {
+ pr_err("Policer CLE FIFO overflow intr\n");
+ int_mask |=
+ ENET_RSIF_PLC_CLEBUFF_FIFO_OVERFL_INTR0_MASK;
+ }
+ if (ENET_RSIF_PLC_CLEBUFF_FIFO_UNDERFL_INTR0_RD(data)) {
+ pr_err("Policer CLE FIFO underflow intr\n");
+ int_mask |=
+ RSIF_LCL_RXBUF_FIFO_UNDERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_LCL_RXBUF_FIFO_OVERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 Local Rx buffer FIFO overflow intr\n");
+ int_mask |=
+ RSIF_LCL_RXBUF_FIFO_OVERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_LCL_RXBUF_FIFO_UNDERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 Local Rx buffer FIFO underflow intr\n");
+ int_mask |=
+ RSIF_LCL_RXBUF_FIFO_UNDERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_CHKSUM_BUFF_FIFO_OVERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 chksum buffer FIFO overflow intr\n");
+ int_mask |=
+ RSIF_CHKSUM_BUFF_FIFO_OVERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_CHKSUM_BUFF_FIFO_UNDERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 chksum buffer FIFO underflow intr\n");
+ int_mask |=
+ RSIF_CHKSUM_BUFF_FIFO_UNDERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_TIMESTAMP_BUFF_FIFO_OVERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 timestamp buffer FIFO overflow intr\n");
+ int_mask |=
+ RSIF_TIMESTAMP_BUFF_FIFO_OVERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_TIMESTAMP_BUFF_FIFO_UNDERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 timestamp FIFO underflow intr\n");
+ int_mask |=
+ RSIF_TIMESTAMP_BUFF_FIFO_UNDERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_ERR_BUFF_FIFO_OVERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 err buffer FIFO overflow intr\n");
+ int_mask |= RSIF_ERR_BUFF_FIFO_OVERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_ERR_BUFF_FIFO_UNDERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 err buffer FIFO underflow interrupt\n");
+ int_mask |=
+ RSIF_ERR_BUFF_FIFO_UNDERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_CLEBUFF_FIFO_OVERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 classifier buffer FIFO overflow intr\n");
+ int_mask |= RSIF_CLEBUFF_FIFO_OVERFL_INTR_RXPRT00_MASK;
+ }
+
+ if (RSIF_CLEBUFF_FIFO_UNDERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 classifier buffer FIFO underflow intr\n");
+ int_mask |= RSIF_CLEBUFF_FIFO_UNDERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_CTRLBUFF_FIFO_OVERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 ctrl buffer FIFO overflow intr\n");
+ int_mask |= RSIF_CTRLBUFF_FIFO_OVERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_CTRLBUFF_FIFO_UNDERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 ctrl buffer FIFO overflow intr\n");
+ int_mask |=
+ RSIF_CTRLBUFF_FIFO_UNDERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_BUF_FIFO_OVERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 buffer FIFO overflow intr\n");
+ int_mask |= RSIF_BUF_FIFO_OVERFL_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_BUF_FIFO_UNDERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 buffer FIFO underflow intr\n");
+ int_mask |= RSIF_BUF_FIFO_UNDERFL_INTR_RXPRT00_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ RSIF_INT_REG0_ADDR, int_mask);
+ }
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR, RSIF_FINT_REG0_ADDR, &data);
+ int_mask = 0;
+ if (data) {
+ pr_err("Received RSIF Error2 Interrupt\n");
+ if (RSIF_SS_MIRRORERR_INTR_RXPRT10_RD(data)) {
+ pr_err("Mirror buffer address offset/length do ");
+ pr_err("not match with normal xfr address ");
+ pr_err("offset/length in port1\n");
+ int_mask |= RSIF_SS_MIRRORERR_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_SS_SPLIT_BOUNDARY_INTR_RXPRT10_RD(data)) {
+ pr_err("Split boundary cannot be accomodated ");
+ pr_err("in the firt buffer in port1\n");
+ int_mask |= RSIF_SS_FPBUFF_TIMEOUT_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_SS_FPBUFF_TIMEOUT_INTR_RXPRT10_RD(data)) {
+ pr_err("Packet dropped by RSIF because ");
+ pr_err("freepool buffer was NOT available from ");
+ pr_err("QMI on port1\n");
+ int_mask |= RSIF_SS_FPBUFF_TIMEOUT_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_SS_AXI_WRERR_INTR_RXPRT10_RD(data)) {
+ pr_err("AXI write error on port1\n");
+ int_mask |= RSIF_SS_AXI_WRERR_INTR_RXPRT10_MASK;
+ }
+ if (RSIF_SS_MIRRORERR_INTR_RXPRT00_RD(data)) {
+ pr_err("Mirror buffer address offset/length ");
+ pr_err("do not match with normal xfr address ");
+ pr_err("offset/length in port0\n");
+ int_mask |= RSIF_SS_MIRRORERR_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_SS_SPLIT_BOUNDARY_INTR_RXPRT00_RD(data)) {
+ pr_err("Split boundary cannot be accomodated ");
+ pr_err("in the firt buffer in port0\n");
+ int_mask |= RSIF_SS_SPLIT_BOUNDARY_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_SS_FPBUFF_TIMEOUT_INTR_RXPRT00_RD(data)) {
+ pr_err("Packet dropped by RSIF because ");
+ pr_err("freepool buffer was NOT available from ");
+ pr_err("QMI on port0\n");
+ int_mask |= RSIF_SS_FPBUFF_TIMEOUT_INTR_RXPRT00_MASK;
+ }
+ if (RSIF_SS_AXI_WRERR_INTR_RXPRT00_RD(data)) {
+ pr_err("AXI write error on port0\n");
+ int_mask |= RSIF_SS_AXI_WRERR_INTR_RXPRT00_MASK;
+ }
+ if (STS_RSIF_PLC_DROP0_RD(data)) {
+ pr_err("Packet dropped by policer\n");
+ int_mask |= STS_RSIF_PLC_DROP0_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ RSIF_FINT_REG0_ADDR, int_mask);
+ }
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR, TSIF_INT_REG0_ADDR, &data);
+ int_mask = 0;
+ if (data) {
+ pr_err("Received TSIF Error Interrupt\n");
+ if (TSIF_RDMBUFF_FIFO_OVERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 RDM buffer FIFO overflow interrupt\n");
+ int_mask |= TSIF_RDMBUFF_FIFO_OVERFL_INTR_PRT10_MASK;
+ }
+ if (TSIF_RDMBUFF_FIFO_UNDERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 RDM buffer FIFO underflow interrupt\n");
+ int_mask |= TSIF_RDMBUFF_FIFO_UNDERFL_INTR_PRT10_MASK;
+ }
+ if (TSIF_RRM_FIFO_OVERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 RRM buffer FIFO overflow intr\n");
+ int_mask |= TSIF_RRM_FIFO_OVERFL_INTR_PRT10_MASK;
+ }
+ if (TSIF_RRM_FIFO_UNDERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 RRM buffer FIFO underflow intr\n");
+ int_mask |= TSIF_RRM_FIFO_UNDERFL_INTR_PRT10_MASK;
+ }
+ if (TSIF_AMABUF_FIFO_OVERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 AMA buffer FIFO overflow intr\n");
+ int_mask |= TSIF_AMABUF_FIFO_OVERFL_INTR_PRT10_MASK;
+ }
+ if (TSIF_AMABUF_FIFO_UNDERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 AMA buffer FIFO underflow intr\n");
+ int_mask |= TSIF_AMABUF_FIFO_UNDERFL_INTR_PRT10_MASK;
+ }
+
+ if (TSIF_RDMBUFF_FIFO_OVERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port0 RDM buffer FIFO overflow intr\n");
+ int_mask |= TSIF_RDMBUFF_FIFO_OVERFL_INTR_PRT00_MASK;
+ }
+ if (TSIF_RDMBUFF_FIFO_UNDERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port0 RDM buffer FIFO underflow intr\n");
+ int_mask |= TSIF_RDMBUFF_FIFO_UNDERFL_INTR_PRT00_MASK;
+ }
+ if (TSIF_RRM_FIFO_OVERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port0 RRM buffer FIFO overflow intr\n");
+ int_mask |= TSIF_RRM_FIFO_OVERFL_INTR_PRT00_MASK;
+ }
+ if (TSIF_RRM_FIFO_UNDERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port0 RRM buffer FIFO underflow intr\n");
+ int_mask |= TSIF_RRM_FIFO_UNDERFL_INTR_PRT00_MASK;
+ }
+ if (TSIF_AMABUF_FIFO_OVERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port0 AMA buffer FIFO overflow intr\n");
+ int_mask |= TSIF_AMABUF_FIFO_OVERFL_INTR_PRT00_MASK;
+ }
+ if (TSIF_AMABUF_FIFO_UNDERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port0 AMA buffer FIFO underflow intr\n");
+ int_mask |= TSIF_AMABUF_FIFO_UNDERFL_INTR_PRT00_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ TSIF_INT_REG0_ADDR, int_mask);
+ }
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR, TSIF_FINT_REG0_ADDR, &data);
+ int_mask = 0;
+ if (data) {
+ pr_err("Received TSIF Error Interrupt\n");
+ if (TSIF_SS_AXI_LLRDERR_INTR_PRT10_RD(data)) {
+ pr_err("AXI error when reading data from port1\n");
+ int_mask |= TSIF_SS_AXI_LLRDERR_INTR_PRT10_MASK;
+ }
+ if (TSIF_SS_AXI_RDERR_INTR_PRT10_RD(data)) {
+ pr_err("AXI error when reading data from port1\n");
+ int_mask |= TSIF_SS_AXI_RDERR_INTR_PRT10_MASK;
+ }
+ if (TSIF_SS_BAD_MSG_INTR_PRT10_RD(data)) {
+ pr_err("Bad message received by TSIF on port1\n");
+ int_mask |= TSIF_SS_BAD_MSG_INTR_PRT10_MASK;
+ }
+ if (TSIF_SS_AXI_LLRDERR_INTR_PRT00_RD(data)) {
+ pr_err("AXI error when reading data from port0\n");
+ int_mask |= TSIF_SS_AXI_LLRDERR_INTR_PRT00_MASK;
+ }
+ if (TSIF_SS_AXI_RDERR_INTR_PRT00_RD(data)) {
+ pr_err("AXI error when reading data from port0\n");
+ int_mask |= TSIF_SS_AXI_RDERR_INTR_PRT00_MASK;
+ }
+ if (TSIF_SS_BAD_MSG_INTR_PRT00_RD(data)) {
+ pr_err("Bad message received by TSIF on port0\n");
+ int_mask |= TSIF_SS_BAD_MSG_INTR_PRT00_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ TSIF_FINT_REG0_ADDR, int_mask);
+ }
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR, TSO_INT_REG0_ADDR, &data);
+ int_mask = 0;
+ if (data) {
+ pr_err("Received TSO Error Interrupt\n");
+ if (MB_TTF_FIFO_OVERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 tso_txbuff FIFO overflow intr\n");
+ int_mask |= MB_TTF_FIFO_OVERFL_INTR_PRT10_MASK;
+ }
+ if (MB_TTF_FIFO_UNDERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 tso_txbuff FIFO underflow intr\n");
+ int_mask |= MB_TTF_FIFO_UNDERFL_INTR_PRT10_MASK;
+ }
+ if (MH_DEALLOC_FIFO_OVERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 Dealloc FIFO overflow intr\n");
+ int_mask |= MH_DEALLOC_FIFO_OVERFL_INTR_PRT10_MASK;
+ }
+ if (MH_DEALLOC_FIFO_UNDERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 Dealloc FIFO underflow intr\n");
+ int_mask |= MH_DEALLOC_FIFO_UNDERFL_INTR_PRT10_MASK;
+ }
+ if (MH_FIFO_OVERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 Message Hold FIFO overflow intr\n");
+ int_mask |= MH_FIFO_OVERFL_INTR_PRT10_MASK;
+ }
+ if (MH_FIFO_UNDERFL_INTR_PRT10_RD(data)) {
+ pr_err("Tx port1 Message Hold FIFO underflow intr\n");
+ int_mask |= MH_FIFO_UNDERFL_INTR_PRT10_MASK;
+ }
+ if (MB_TTF_FIFO_OVERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port0 tso_txbuff FIFO overflow intr\n");
+ int_mask |= MB_TTF_FIFO_OVERFL_INTR_PRT00_MASK;
+ }
+ if (MB_TTF_FIFO_UNDERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port0 tso_txbuff FIFO underflow intr\n");
+ int_mask |= MB_TTF_FIFO_UNDERFL_INTR_PRT00_MASK;
+ }
+ if (MH_DEALLOC_FIFO_OVERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port0 Dealloc FIFO overflow intr\n");
+ int_mask |= MH_DEALLOC_FIFO_OVERFL_INTR_PRT00_MASK;
+ }
+ if (MH_DEALLOC_FIFO_UNDERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port1 Dealloc FIFO underflow intr\n");
+ int_mask |= MH_DEALLOC_FIFO_UNDERFL_INTR_PRT00_MASK;
+ }
+ if (MH_FIFO_OVERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port1 Message Hold FIFO overflow intr\n");
+ int_mask |= MH_FIFO_OVERFL_INTR_PRT00_MASK;
+ }
+ if (MH_FIFO_UNDERFL_INTR_PRT00_RD(data)) {
+ pr_err("Tx port1 Message Hold FIFO underflow intr\n");
+ int_mask |= MH_FIFO_UNDERFL_INTR_PRT00_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ TSO_INT_REG0_ADDR, int_mask);
+ }
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR, SPI2SAP_INT_REG0_ADDR, &data);
+ int_mask = 0;
+ if (data) {
+ pr_err("Received SPI2SAP Error Interrupt\n");
+ if (MACIF_FIFO_OVERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 SAP FIFO overflow intr\n");
+ int_mask |= MACIF_FIFO_OVERFL_INTR_RXPRT10_MASK;
+ }
+ if (MACIF_FIFO_UNDERFL_INTR_RXPRT10_RD(data)) {
+ pr_err("Rx port1 SAP FIFO underflow intr\n");
+ int_mask |= MACIF_FIFO_UNDERFL_INTR_RXPRT10_MASK;
+ }
+ if (MACIF_FIFO_OVERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 SAP FIFO overflow intr\n");
+ int_mask |= MACIF_FIFO_OVERFL_INTR_RXPRT00_MASK;
+ }
+ if (MACIF_FIFO_UNDERFL_INTR_RXPRT00_RD(data)) {
+ pr_err("Rx port0 SAP FIFO underflow intr\n");
+ int_mask |= MACIF_FIFO_UNDERFL_INTR_RXPRT00_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ SPI2SAP_INT_REG0_ADDR, int_mask);
+ }
+ rc = xgene_enet_rd(priv, BLOCK_ETH_CSR,
+ RX_TX_BUF_CHKSM_INT_REG0_ADDR, &data);
+ int_mask = 0;
+ if (data) {
+ pr_err("Received RX/TX Buffer Checksum Error Interrupt\n");
+ if (RXBUF_PAUSE_INTR_PORT10_RD(data)) {
+ pr_err("Rx port1 Pause interrupt\n");
+ int_mask |= RXBUF_PAUSE_INTR_PORT10_MASK;
+ }
+ if (RX_CHKSUM_INTR_PORT10_RD(data)) {
+ pr_err("Rx port1 Chksum Error intr\n");
+ int_mask |= RX_CHKSUM_INTR_PORT10_MASK;
+ }
+ if (TX_CHKSUM_INTR_PORT10_RD(data)) {
+ pr_err("Tx port1 Chksum Error intr\n");
+ int_mask |= TX_CHKSUM_INTR_PORT10_MASK;
+ }
+ if (RXBUF_FIFO_OVERFL_INTR_PRT10_RD(data)) {
+ pr_err("Rx port1 rx buffer FIFO overflow intr\n");
+ int_mask |= RXBUF_FIFO_OVERFL_INTR_PRT10_MASK;
+ }
+ if (RXBUF_FIFO_UNDERFL_INTR_PRT10_RD(data)) {
+ pr_err("Rx port1 rx buffer FIFO underflow intr\n");
+ int_mask |= RXBUF_FIFO_UNDERFL_INTR_PRT10_MASK;
+ }
+ if (TXBUF_FIFO_OVERFL_INTR_PRT10_RD(data)) {
+ pr_err("Rx port1 rx buffer FIFO overflow intr\n");
+ int_mask |= RXBUF_FIFO_OVERFL_INTR_PRT10_MASK;
+ }
+ if (TXBUF_FIFO_UNDERFL_INTR_PRT10_RD(data)) {
+ pr_err("Rx port1 rx buffer FIFO underflow intr\n");
+ int_mask |= RXBUF_FIFO_UNDERFL_INTR_PRT10_MASK;
+ }
+ if (RXBUF_PAUSE_INTR_PORT00_RD(data)) {
+ pr_err("Rx port0 Pause interrupt\n");
+ int_mask |= RXBUF_PAUSE_INTR_PORT00_MASK;
+ }
+ if (RX_CHKSUM_INTR_PORT00_RD(data)) {
+ pr_err("Rx port0 Chksum Error intr\n");
+ int_mask |= RX_CHKSUM_INTR_PORT00_MASK;
+ }
+ if (TX_CHKSUM_INTR_PORT00_RD(data)) {
+ pr_err("Tx port0 Chksum Error intr\n");
+ int_mask |= TX_CHKSUM_INTR_PORT00_MASK;
+ }
+ if (RXBUF_FIFO_OVERFL_INTR_PRT00_RD(data)) {
+ pr_err("Rx port0 rx buffer FIFO overflow intr\n");
+ int_mask |= RXBUF_FIFO_OVERFL_INTR_PRT00_MASK;
+ }
+ if (RXBUF_FIFO_UNDERFL_INTR_PRT00_RD(data)) {
+ pr_err("Rx port0 rx buffer FIFO underflow intr\n");
+ int_mask |= RXBUF_FIFO_UNDERFL_INTR_PRT00_MASK;
+ }
+ if (TXBUF_FIFO_OVERFL_INTR_PRT00_RD(data)) {
+ pr_err("Rx port0 rx buffer FIFO overflow intr\n");
+ int_mask |= RXBUF_FIFO_OVERFL_INTR_PRT00_MASK;
+ }
+ if (TXBUF_FIFO_UNDERFL_INTR_PRT00_RD(data)) {
+ pr_err("Rx port0 rx buffer FIFO underflow intr\n");
+ int_mask |= RXBUF_FIFO_UNDERFL_INTR_PRT00_MASK;
+ }
+ /* Clear intrstatus bits, its COW */
+ rc = xgene_enet_wr(priv, BLOCK_ETH_CSR,
+ RX_TX_BUF_CHKSM_INT_REG0_ADDR, int_mask);
+ }
+ return IRQ_HANDLED;
+}
+
+void xgene_enet_register_err_irqs(struct net_device *ndev)
+{
+ struct xgene_enet_pdev *pdev;
+ struct device *dev;
+
+ pdev = (struct xgene_enet_pdev *)netdev_priv(ndev);
+ dev = &pdev->plat_dev->dev;
+
+ if ((devm_request_irq(dev, pdev->enet_err_irq, xgene_enet_err_irq,
+ IRQF_SHARED, ndev->name, ndev)) != 0)
+ netdev_err(ndev, "Failed to reg Enet Error IRQ %d\n",
+ pdev->enet_err_irq);
+ if ((devm_request_irq(dev, pdev->enet_mac_err_irq,
+ xgene_enet_mac_err_irq, IRQF_SHARED,
+ ndev->name, ndev)) != 0)
+ netdev_err(ndev, "Failed to reg Enet MAC Error IRQ %d\n",
+ pdev->enet_mac_err_irq);
+ if ((devm_request_irq(dev, pdev->enet_qmi_err_irq,
+ xgene_enet_qmi_err_irq,
+ IRQF_SHARED, ndev->name, ndev)) != 0)
+ netdev_err(ndev, "Failed to reg Enet QMI Error IRQ %d\n",
+ pdev->enet_qmi_err_irq);
+}
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 2aa1808..90f53b8 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -770,6 +770,7 @@ static int xgene_enet_rx_frame(struct xgene_enet_qcontext *e2c,
goto process_pkt;
}
+ xgene_enet_parse_error(LErr, qid);
netdev_dbg(ndev, "ENET LErr 0x%x skb 0x%p FP 0x%x\n",
LErr, skb, msg16->FPQNum);
print_hex_dump(KERN_ERR, "QM Msg: ",
@@ -1258,6 +1259,8 @@ static void xgene_enet_register_irq(struct net_device *ndev)
/* Disable interrupts for RX queue mailboxes */
disable_irq_nosync(pdev->rx[qindex]->qdesc->irq);
}
+
+ xgene_enet_register_err_irqs(ndev);
}
static int xgene_enet_get_resources(struct xgene_enet_pdev *pdev)
@@ -1330,6 +1333,30 @@ static int xgene_enet_get_resources(struct xgene_enet_pdev *pdev)
}
pdev->sdev = sdev;
+ pdata.irq = platform_get_irq(plat_dev, 0);
+ if (pdata.irq <= 0) {
+ dev_err(dev, "Unable to get ENET Error IRQ\n");
+ rc = pdata.irq;
+ goto out;
+ }
+ pdev->enet_err_irq = pdata.irq;
+
+ pdata.irq = platform_get_irq(plat_dev, 1);
+ if (pdata.irq <= 0) {
+ dev_err(dev, "Unable to get ENET MAC Error IRQ\n");
+ rc = pdata.irq;
+ goto out;
+ }
+ pdev->enet_mac_err_irq = pdata.irq;
+
+ pdata.irq = platform_get_irq(plat_dev, 2);
+ if (pdata.irq <= 0) {
+ dev_err(dev, "Unable to get ENET QMI Error IRQ\n");
+ rc = pdata.irq;
+ goto out;
+ }
+ pdev->enet_qmi_err_irq = pdata.irq;
+
rc = of_property_read_u32(plat_dev->dev.of_node, "phyid",
&pdata.phy_id);
if (rc || pdata.phy_id > 0x1F) {
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
index 15ea995..b25bb37 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
@@ -127,6 +127,7 @@ struct eth_queue_ids {
struct xgene_enet_platform_data {
u32 port_id;
const char *sname;
+ int irq;
u32 phy_id;
u8 ethaddr[6];
};
@@ -155,6 +156,9 @@ struct xgene_enet_pdev {
struct eth_queue_ids qm_queues;
u32 rx_buff_cnt, tx_cqt_low, tx_cqt_hi;
int mss;
+ unsigned int enet_err_irq;
+ unsigned int enet_mac_err_irq;
+ unsigned int enet_qmi_err_irq;
struct xgene_enet_priv priv;
};
--
1.7.9.5
^ permalink raw reply related [flat|nested] 13+ messages in thread* [PATCH 5/5] drivers: net: APM X-Gene SoC Ethernet driver ethtool support
2013-12-21 3:42 [PATCH 0/5] drivers: net: Adding support for APM X-Gene SoC Ethernet base driver Iyappan Subramanian
` (2 preceding siblings ...)
2013-12-21 3:42 ` [PATCH 4/5] drivers: net: APM X-Gene SoC Ethernet driver error handling Iyappan Subramanian
@ 2013-12-21 3:42 ` Iyappan Subramanian
[not found] ` <1387597376-29303-4-git-send-email-isubramanian@apm.com>
2013-12-22 9:35 ` [PATCH 0/5] drivers: net: Adding support for " Arnd Bergmann
5 siblings, 0 replies; 13+ messages in thread
From: Iyappan Subramanian @ 2013-12-21 3:42 UTC (permalink / raw)
To: linux-arm-kernel
Ethtool support for APM X-Gene SoC ethernet driver.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Ravi Patel <rapatel@apm.com>
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
---
drivers/net/ethernet/apm/xgene/Makefile | 3 +-
drivers/net/ethernet/apm/xgene/xgene_enet_csr.h | 4 +
drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 1 +
drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 1 +
drivers/net/ethernet/apm/xgene/xgene_enet_tools.c | 296 +++++++++++++++++++++
5 files changed, 304 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/ethernet/apm/xgene/xgene_enet_tools.c
diff --git a/drivers/net/ethernet/apm/xgene/Makefile b/drivers/net/ethernet/apm/xgene/Makefile
index 091547e..472710d 100644
--- a/drivers/net/ethernet/apm/xgene/Makefile
+++ b/drivers/net/ethernet/apm/xgene/Makefile
@@ -6,6 +6,7 @@ xgene-enet-objs := \
xgene_enet_common.o \
xgene_enet_mac.o \
xgene_enet_main.o \
- xgene_enet_err.o
+ xgene_enet_err.o \
+ xgene_enet_tools.o
obj-$(CONFIG_NET_XGENE) += xgene-enet.o
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_csr.h b/drivers/net/ethernet/apm/xgene/xgene_enet_csr.h
index 858d155..5ca0d81 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_csr.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_csr.h
@@ -357,6 +357,10 @@
#define INTERFACE_CONTROL_ADDR 0x00000038
#define STATION_ADDR0_ADDR 0x00000040
#define STATION_ADDR1_ADDR 0x00000044
+#define RX_FLOW_EN1_MASK 0x00000020
+#define TX_FLOW_EN1_MASK 0x00000010
+#define RX_FLOW_EN1_RD(src) (((src) & 0x00000020)>>5)
+#define TX_FLOW_EN1_RD(src) (((src) & 0x00000010)>>4)
#define SCAN_CYCLE_MASK 0x00000002
#define SOFT_RESET1_MASK 0x80000000
#define MAX_FRAME_LEN_SET(dst, src) \
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 90f53b8..77d3fd8 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1416,6 +1416,7 @@ static int xgene_enet_init_hw(struct xgene_enet_pdev *pdev)
/* Ethtool checks the capabilities/features in hw_features flag */
ndev->hw_features = ndev->features;
+ SET_ETHTOOL_OPS(ndev, &xgene_ethtool_ops);
rc = register_netdev(ndev);
if (rc) {
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
index b25bb37..b95f129 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
@@ -173,4 +173,5 @@ void xgene_enet_init_priv(struct xgene_enet_priv *priv);
int xgene_enet_parse_error(u8 LErr, int qid);
void xgene_enet_register_err_irqs(struct net_device *ndev);
+extern const struct ethtool_ops xgene_ethtool_ops;
#endif /* __XGENE_ENET_MAIN_H__ */
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_tools.c b/drivers/net/ethernet/apm/xgene/xgene_enet_tools.c
new file mode 100644
index 0000000..d99f42b
--- /dev/null
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_tools.c
@@ -0,0 +1,296 @@
+/* AppliedMicro X-Gene SoC Ethernet Driver
+ *
+ * Copyright (c) 2013, Applied Micro Circuits Corporation
+ * Authors: Hrishikesh Karanjikar <hkaranjikar@apm.com>
+ * Ravi Patel <rapatel@apm.com>
+ * Iyappan Subramanian <isubramanian@apm.com>
+ * Keyur Chudgar <kchudgar@apm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/mii.h>
+#include <linux/phy.h>
+#include "xgene_enet_csr.h"
+#include "xgene_enet_main.h"
+
+struct xgene_stats {
+ char stat_string[ETH_GSTRING_LEN];
+ int sizeof_stat;
+ int stat_offset;
+};
+
+static const struct xgene_stats xgene_gstrings_stats[] = {
+ { "rx_bytes",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.rx_stats.rx_byte_count),
+ offsetof(struct xgene_enet_pdev, stats.rx_stats.rx_byte_count)
+ },
+ { "rx_packets",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.rx_stats.rx_packet_count),
+ offsetof(struct xgene_enet_pdev, stats.rx_stats.rx_packet_count)
+ },
+ { "rx_fcs_err",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.rx_stats.rx_fcs_err_count),
+ offsetof(struct xgene_enet_pdev,
+ stats.rx_stats.rx_fcs_err_count)
+ },
+ { "rx_alignment_err",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.rx_stats.rx_alignment_err_pkt_count),
+ offsetof(struct xgene_enet_pdev,
+ stats.rx_stats.rx_alignment_err_pkt_count)
+ },
+ { "rx_frm_len_err",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.rx_stats.rx_frm_len_err_pkt_count),
+ offsetof(struct xgene_enet_pdev,
+ stats.rx_stats.rx_frm_len_err_pkt_count)
+ },
+ { "rx_undersize",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.rx_stats.rx_undersize_pkt_count),
+ offsetof(struct xgene_enet_pdev,
+ stats.rx_stats.rx_undersize_pkt_count)
+ },
+ { "rx_oversize",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.rx_stats.rx_oversize_pkt_count),
+ offsetof(struct xgene_enet_pdev,
+ stats.rx_stats.rx_oversize_pkt_count)
+ },
+ { "rx_drop",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.rx_stats.rx_drop_pkt_count),
+ offsetof(struct xgene_enet_pdev,
+ stats.rx_stats.rx_drop_pkt_count)
+ },
+ { "tx_bytes",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.tx_stats.tx_byte_count),
+ offsetof(struct xgene_enet_pdev,
+ stats.tx_stats.tx_byte_count)
+ },
+ { "tx_packets",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.tx_stats.tx_pkt_count),
+ offsetof(struct xgene_enet_pdev,
+ stats.tx_stats.tx_pkt_count)
+ },
+ { "tx_drop",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.tx_stats.tx_drop_frm_count),
+ offsetof(struct xgene_enet_pdev,
+ stats.tx_stats.tx_drop_frm_count)
+ },
+ { "tx_fcs_err",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.tx_stats.tx_fcs_err_frm_count),
+ offsetof(struct xgene_enet_pdev,
+ stats.tx_stats.tx_fcs_err_frm_count)
+ },
+ { "tx_undersize",
+ FIELD_SIZEOF(struct xgene_enet_pdev,
+ stats.tx_stats.tx_undersize_frm_count),
+ offsetof(struct xgene_enet_pdev,
+ stats.tx_stats.tx_undersize_frm_count)
+ },
+};
+
+#define XGENE_GLOBAL_STATS_LEN ARRAY_SIZE(xgene_gstrings_stats)
+
+/* Ethtool APIs */
+static int xgene_ethtool_get_settings(struct net_device *ndev,
+ struct ethtool_cmd *cmd)
+{
+ struct xgene_enet_pdev *pdev = netdev_priv(ndev);
+ struct phy_device *phydev = pdev->phy_dev;
+ struct xgene_enet_priv *priv = &pdev->priv;
+
+ if (priv->phy_mode == PHY_MODE_RGMII) {
+ if (!phydev)
+ return -ENODEV;
+ return phy_ethtool_gset(phydev, cmd);
+ }
+ return 0;
+}
+
+static int xgene_ethtool_set_settings(struct net_device *ndev,
+ struct ethtool_cmd *cmd)
+{
+ struct xgene_enet_pdev *pdev = netdev_priv(ndev);
+ struct phy_device *phydev = pdev->phy_dev;
+ struct xgene_enet_priv *priv = &pdev->priv;
+
+ if (priv->phy_mode == PHY_MODE_RGMII) {
+ if (!phydev)
+ return -ENODEV;
+ return phy_ethtool_sset(phydev, cmd);
+ }
+ return 0;
+}
+
+static int xgene_ethtool_set_pauseparam(struct net_device *ndev,
+ struct ethtool_pauseparam *pp)
+{
+ u32 data;
+ struct xgene_enet_pdev *pdev = netdev_priv(ndev);
+ struct xgene_enet_priv *priv = &pdev->priv;
+
+ xgene_enet_rd(priv, BLOCK_MCX_MAC, MAC_CONFIG_1_ADDR, &data);
+
+ /* Modify value to set or reset rx flow control */
+ if (pp->rx_pause)
+ data |= RX_FLOW_EN1_MASK;
+ else
+ data &= ~RX_FLOW_EN1_MASK;
+
+ /* Modify value to set or reset tx flow control */
+ if (pp->tx_pause)
+ data |= TX_FLOW_EN1_MASK;
+ else
+ data &= ~TX_FLOW_EN1_MASK;
+
+ xgene_enet_wr(priv, BLOCK_MCX_MAC, MAC_CONFIG_1_ADDR, data);
+
+ return 0;
+}
+
+static void xgene_ethtool_get_pauseparam(struct net_device *ndev,
+ struct ethtool_pauseparam *pp)
+{
+ u32 data;
+ struct xgene_enet_pdev *pdev = netdev_priv(ndev);
+ struct xgene_enet_priv *priv = &pdev->priv;
+
+ xgene_enet_rd(priv, BLOCK_MCX_MAC, MAC_CONFIG_1_ADDR, &data);
+ pp->rx_pause = RX_FLOW_EN1_RD(data);
+
+ xgene_enet_rd(priv, BLOCK_MCX_MAC, MAC_CONFIG_1_ADDR, &data);
+ pp->tx_pause = TX_FLOW_EN1_RD(data);
+}
+
+static int xgene_ethtool_nway_reset(struct net_device *ndev)
+{
+ u32 data = 0, retry = 0;
+ struct xgene_enet_pdev *pdev = netdev_priv(ndev);
+ struct xgene_enet_priv *priv = &pdev->priv;
+
+ if (priv->phy_mode == PHY_MODE_RGMII)
+ mutex_lock(&pdev->mdio_bus->mdio_lock);
+
+ /* Power-down PHY */
+ data = MII_CR_POWER_DOWN;
+ xgene_genericmiiphy_write(priv, priv->phy_addr,
+ MII_CTRL_REG, data);
+
+ /* Power-up PHY */
+ data = 0x0;
+ xgene_genericmiiphy_write(priv, priv->phy_addr,
+ MII_CTRL_REG, data);
+
+ /* Reset PHY */
+ data = MII_CR_RESET;
+ xgene_genericmiiphy_write(priv, priv->phy_addr,
+ MII_CTRL_REG, data);
+
+ /* PHY reset may take 100 ms */
+ retry = 100;
+ do {
+ xgene_genericmiiphy_read(priv, priv->phy_addr,
+ MII_CTRL_REG, &data);
+ usleep_range(1000, 2000);
+ } while (--retry && (data & MII_CR_RESET));
+
+ xgene_genericmiiphy_write(priv, priv->phy_addr, MII_CTRL_REG,
+ MII_CR_AUTO_EN|MII_CR_RESTART|MII_CR_FDX);
+
+ priv->autoneg_set = 1;
+ priv->speed = XGENE_ENET_SPEED_1000;
+ priv->mac_init(priv, ndev->dev_addr, priv->speed,
+ HW_MTU(ndev->mtu), priv->crc);
+
+ if (priv->phy_mode == PHY_MODE_RGMII)
+ mutex_unlock(&pdev->mdio_bus->mdio_lock);
+
+ return 0;
+}
+
+static void xgene_get_strings(struct net_device *ndev, u32 stringset,
+ u8 *data)
+{
+ u8 *p = data;
+ int i;
+
+ switch (stringset) {
+ case ETH_SS_TEST:
+ case ETH_SS_STATS:
+ for (i = 0; i < XGENE_GLOBAL_STATS_LEN; i++) {
+ memcpy(p, xgene_gstrings_stats[i].stat_string,
+ ETH_GSTRING_LEN);
+ p += ETH_GSTRING_LEN;
+ }
+ break;
+ }
+}
+
+static int xgene_get_sset_count(struct net_device *ndev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_TEST:
+ return XGENE_GLOBAL_STATS_LEN;
+ case ETH_SS_STATS:
+ return XGENE_GLOBAL_STATS_LEN;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+}
+
+static void xgene_ethtool_get_ethtool_stats(struct net_device *ndev,
+ struct ethtool_stats *ethtool_stats,
+ u64 *data)
+{
+
+ struct xgene_enet_pdev *pdev = netdev_priv(ndev);
+ struct xgene_enet_priv *priv = &pdev->priv;
+ struct xgene_enet_detailed_stats *stats = &pdev->stats;
+ int i;
+
+ xgene_enet_get_stats(priv, stats);
+ for (i = 0; i < XGENE_GLOBAL_STATS_LEN; i++) {
+ char *p = (char *)pdev + xgene_gstrings_stats[i].stat_offset;
+ data[i] = (xgene_gstrings_stats[i].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
+}
+
+static void xgene_ethtool_get_drvinfo(struct net_device *ndev,
+ struct ethtool_drvinfo *info)
+{
+ strcpy(info->driver, ndev->name);
+ strcpy(info->version, XGENE_ENET_DRIVER_VERSION);
+ strcpy(info->fw_version, "N/A");
+}
+
+const struct ethtool_ops xgene_ethtool_ops = {
+ .get_settings = xgene_ethtool_get_settings,
+ .set_settings = xgene_ethtool_set_settings,
+ .get_drvinfo = xgene_ethtool_get_drvinfo,
+ .nway_reset = xgene_ethtool_nway_reset,
+ .get_pauseparam = xgene_ethtool_get_pauseparam,
+ .set_pauseparam = xgene_ethtool_set_pauseparam,
+ .get_ethtool_stats = xgene_ethtool_get_ethtool_stats,
+ .get_sset_count = xgene_get_sset_count,
+ .get_strings = xgene_get_strings,
+ .get_link = ethtool_op_get_link,
+};
--
1.7.9.5
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