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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h147
1 files changed, 147 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h
new file mode 100644
index 000000000..6da070ccd
--- /dev/null
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.h
@@ -0,0 +1,147 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Header File to describe the DMA descriptors and related definitions specific
+ * for DesignWare databook 4.xx.
+ *
+ * Copyright (C) 2015 STMicroelectronics Ltd
+ *
+ * Author: Alexandre Torgue <alexandre.torgue@st.com>
+ */
+
+#ifndef __DWMAC4_DESCS_H__
+#define __DWMAC4_DESCS_H__
+
+#include <linux/bitops.h>
+
+/* Normal transmit descriptor defines (without split feature) */
+
+/* TDES2 (read format) */
+#define TDES2_BUFFER1_SIZE_MASK GENMASK(13, 0)
+#define TDES2_VLAN_TAG_MASK GENMASK(15, 14)
+#define TDES2_VLAN_TAG_SHIFT 14
+#define TDES2_BUFFER2_SIZE_MASK GENMASK(29, 16)
+#define TDES2_BUFFER2_SIZE_MASK_SHIFT 16
+#define TDES3_IVTIR_MASK GENMASK(19, 18)
+#define TDES3_IVTIR_SHIFT 18
+#define TDES3_IVLTV BIT(17)
+#define TDES2_TIMESTAMP_ENABLE BIT(30)
+#define TDES2_IVT_MASK GENMASK(31, 16)
+#define TDES2_IVT_SHIFT 16
+#define TDES2_INTERRUPT_ON_COMPLETION BIT(31)
+
+/* TDES3 (read format) */
+#define TDES3_PACKET_SIZE_MASK GENMASK(14, 0)
+#define TDES3_VLAN_TAG GENMASK(15, 0)
+#define TDES3_VLTV BIT(16)
+#define TDES3_CHECKSUM_INSERTION_MASK GENMASK(17, 16)
+#define TDES3_CHECKSUM_INSERTION_SHIFT 16
+#define TDES3_TCP_PKT_PAYLOAD_MASK GENMASK(17, 0)
+#define TDES3_TCP_SEGMENTATION_ENABLE BIT(18)
+#define TDES3_HDR_LEN_SHIFT 19
+#define TDES3_SLOT_NUMBER_MASK GENMASK(22, 19)
+#define TDES3_SA_INSERT_CTRL_MASK GENMASK(25, 23)
+#define TDES3_SA_INSERT_CTRL_SHIFT 23
+#define TDES3_CRC_PAD_CTRL_MASK GENMASK(27, 26)
+
+/* TDES3 (write back format) */
+#define TDES3_IP_HDR_ERROR BIT(0)
+#define TDES3_DEFERRED BIT(1)
+#define TDES3_UNDERFLOW_ERROR BIT(2)
+#define TDES3_EXCESSIVE_DEFERRAL BIT(3)
+#define TDES3_COLLISION_COUNT_MASK GENMASK(7, 4)
+#define TDES3_COLLISION_COUNT_SHIFT 4
+#define TDES3_EXCESSIVE_COLLISION BIT(8)
+#define TDES3_LATE_COLLISION BIT(9)
+#define TDES3_NO_CARRIER BIT(10)
+#define TDES3_LOSS_CARRIER BIT(11)
+#define TDES3_PAYLOAD_ERROR BIT(12)
+#define TDES3_PACKET_FLUSHED BIT(13)
+#define TDES3_JABBER_TIMEOUT BIT(14)
+#define TDES3_ERROR_SUMMARY BIT(15)
+#define TDES3_TIMESTAMP_STATUS BIT(17)
+#define TDES3_TIMESTAMP_STATUS_SHIFT 17
+
+/* TDES3 context */
+#define TDES3_CTXT_TCMSSV BIT(26)
+
+/* TDES3 Common */
+#define TDES3_RS1V BIT(26)
+#define TDES3_RS1V_SHIFT 26
+#define TDES3_LAST_DESCRIPTOR BIT(28)
+#define TDES3_LAST_DESCRIPTOR_SHIFT 28
+#define TDES3_FIRST_DESCRIPTOR BIT(29)
+#define TDES3_CONTEXT_TYPE BIT(30)
+#define TDES3_CONTEXT_TYPE_SHIFT 30
+
+/* TDES4 */
+#define TDES4_LTV BIT(31)
+#define TDES4_LT GENMASK(7, 0)
+
+/* TDES5 */
+#define TDES5_LT GENMASK(31, 8)
+
+/* TDS3 use for both format (read and write back) */
+#define TDES3_OWN BIT(31)
+#define TDES3_OWN_SHIFT 31
+
+/* Normal receive descriptor defines (without split feature) */
+
+/* RDES0 (write back format) */
+#define RDES0_VLAN_TAG_MASK GENMASK(15, 0)
+
+/* RDES1 (write back format) */
+#define RDES1_IP_PAYLOAD_TYPE_MASK GENMASK(2, 0)
+#define RDES1_IP_HDR_ERROR BIT(3)
+#define RDES1_IPV4_HEADER BIT(4)
+#define RDES1_IPV6_HEADER BIT(5)
+#define RDES1_IP_CSUM_BYPASSED BIT(6)
+#define RDES1_IP_CSUM_ERROR BIT(7)
+#define RDES1_PTP_MSG_TYPE_MASK GENMASK(11, 8)
+#define RDES1_PTP_PACKET_TYPE BIT(12)
+#define RDES1_PTP_VER BIT(13)
+#define RDES1_TIMESTAMP_AVAILABLE BIT(14)
+#define RDES1_TIMESTAMP_AVAILABLE_SHIFT 14
+#define RDES1_TIMESTAMP_DROPPED BIT(15)
+#define RDES1_IP_TYPE1_CSUM_MASK GENMASK(31, 16)
+
+/* RDES2 (write back format) */
+#define RDES2_L3_L4_HEADER_SIZE_MASK GENMASK(9, 0)
+#define RDES2_VLAN_FILTER_STATUS BIT(15)
+#define RDES2_SA_FILTER_FAIL BIT(16)
+#define RDES2_DA_FILTER_FAIL BIT(17)
+#define RDES2_HASH_FILTER_STATUS BIT(18)
+#define RDES2_MAC_ADDR_MATCH_MASK GENMASK(26, 19)
+#define RDES2_HASH_VALUE_MATCH_MASK GENMASK(26, 19)
+#define RDES2_L3_FILTER_MATCH BIT(27)
+#define RDES2_L4_FILTER_MATCH BIT(28)
+#define RDES2_L3_L4_FILT_NB_MATCH_MASK GENMASK(27, 26)
+#define RDES2_L3_L4_FILT_NB_MATCH_SHIFT 26
+#define RDES2_HL GENMASK(9, 0)
+
+/* RDES3 (write back format) */
+#define RDES3_PACKET_SIZE_MASK GENMASK(14, 0)
+#define RDES3_ERROR_SUMMARY BIT(15)
+#define RDES3_PACKET_LEN_TYPE_MASK GENMASK(18, 16)
+#define RDES3_DRIBBLE_ERROR BIT(19)
+#define RDES3_RECEIVE_ERROR BIT(20)
+#define RDES3_OVERFLOW_ERROR BIT(21)
+#define RDES3_RECEIVE_WATCHDOG BIT(22)
+#define RDES3_GIANT_PACKET BIT(23)
+#define RDES3_CRC_ERROR BIT(24)
+#define RDES3_RDES0_VALID BIT(25)
+#define RDES3_RDES1_VALID BIT(26)
+#define RDES3_RDES2_VALID BIT(27)
+#define RDES3_LAST_DESCRIPTOR BIT(28)
+#define RDES3_FIRST_DESCRIPTOR BIT(29)
+#define RDES3_CONTEXT_DESCRIPTOR BIT(30)
+#define RDES3_CONTEXT_DESCRIPTOR_SHIFT 30
+
+/* RDES3 (read format) */
+#define RDES3_BUFFER1_VALID_ADDR BIT(24)
+#define RDES3_BUFFER2_VALID_ADDR BIT(25)
+#define RDES3_INT_ON_COMPLETION_EN BIT(30)
+
+/* TDS3 use for both format (read and write back) */
+#define RDES3_OWN BIT(31)
+
+#endif /* __DWMAC4_DESCS_H__ */