[PATCH v3 23/50] net/ntnic: add insert (Tx INS) flow module

[Serhii Iliushyk <sil-plv@napatech.com>]

From: Oleksandr Kolomeiets <okl-plv@napatech.com>

he TX Inserter module injects zeros into an offset of a packet,
effectively expanding the packet.

Signed-off-by: Oleksandr Kolomeiets <okl-plv@napatech.com>
---
v3
* Remove newline characters from logs.
---
 drivers/net/ntnic/meson.build                 |  1 +
 .../nthw/flow_api/flow_backend/flow_backend.c | 13 ++++
 .../ntnic/nthw/flow_filter/flow_nthw_tx_ins.c | 62 +++++++++++++++++++
 .../ntnic/nthw/flow_filter/flow_nthw_tx_ins.h | 35 +++++++++++
 .../ntnic/nthw/supported/nthw_fpga_mod_defs.h |  1 +
 .../ntnic/nthw/supported/nthw_fpga_reg_defs.h |  2 +
 .../nthw/supported/nthw_fpga_reg_defs_ins.h   | 30 +++++++++
 .../supported/nthw_fpga_reg_defs_tx_ins.h     | 23 +++++++
 8 files changed, 167 insertions(+)
 create mode 100644 drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.c
 create mode 100644 drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.h
 create mode 100644 drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs_ins.h
 create mode 100644 drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs_tx_ins.h

diff --git a/drivers/net/ntnic/meson.build b/drivers/net/ntnic/meson.build
index cc5e6fe100..7e0900f0eb 100644
--- a/drivers/net/ntnic/meson.build
+++ b/drivers/net/ntnic/meson.build
@@ -59,6 +59,7 @@ sources = files(
         'nthw/flow_filter/flow_nthw_rpp_lr.c',
         'nthw/flow_filter/flow_nthw_slc_lr.c',
         'nthw/flow_filter/flow_nthw_tx_cpy.c',
+        'nthw/flow_filter/flow_nthw_tx_ins.c',
         'nthw/model/nthw_fpga_model.c',
         'nthw/nthw_platform.c',
         'nthw/nthw_rac.c',
diff --git a/drivers/net/ntnic/nthw/flow_api/flow_backend/flow_backend.c b/drivers/net/ntnic/nthw/flow_api/flow_backend/flow_backend.c
index 8b83425545..ad62c4c156 100644
--- a/drivers/net/ntnic/nthw/flow_api/flow_backend/flow_backend.c
+++ b/drivers/net/ntnic/nthw/flow_api/flow_backend/flow_backend.c
@@ -18,6 +18,7 @@
 #include "flow_nthw_pdb.h"
 #include "flow_nthw_rpp_lr.h"
 #include "flow_nthw_tx_cpy.h"
+#include "flow_nthw_tx_ins.h"
 #include "ntnic_mod_reg.h"
 #include "nthw_fpga_model.h"
 #include "hw_mod_backend.h"
@@ -43,6 +44,7 @@ static struct backend_dev_s {
 	struct hfu_nthw *p_hfu_nthw;    /* TPE module */
 	struct rpp_lr_nthw *p_rpp_lr_nthw;      /* TPE module */
 	struct tx_cpy_nthw *p_tx_cpy_nthw;      /* TPE module */
+	struct tx_ins_nthw *p_tx_ins_nthw;      /* TPE module */
 	struct csu_nthw *p_csu_nthw;    /* TPE module */
 	struct ifr_nthw *p_ifr_nthw;    /* TPE module */
 } be_devs[MAX_PHYS_ADAPTERS];
@@ -1831,6 +1833,16 @@ const struct flow_api_backend_ops *bin_flow_backend_init(nthw_fpga_t *p_fpga, vo
 		be_devs[physical_adapter_no].p_csu_nthw = NULL;
 	}
 
+	/* Init nthw TX_INS */
+	if (tx_ins_nthw_init(NULL, p_fpga, physical_adapter_no) == 0) {
+		struct tx_ins_nthw *ptr = tx_ins_nthw_new();
+		tx_ins_nthw_init(ptr, p_fpga, physical_adapter_no);
+		be_devs[physical_adapter_no].p_tx_ins_nthw = ptr;
+
+	} else {
+		be_devs[physical_adapter_no].p_tx_ins_nthw = NULL;
+	}
+
 	be_devs[physical_adapter_no].adapter_no = physical_adapter_no;
 	*dev = (void *)&be_devs[physical_adapter_no];
 
@@ -1852,6 +1864,7 @@ static void bin_flow_backend_done(void *dev)
 	hfu_nthw_delete(be_dev->p_hfu_nthw);
 	rpp_lr_nthw_delete(be_dev->p_rpp_lr_nthw);
 	tx_cpy_nthw_delete(be_dev->p_tx_cpy_nthw);
+	tx_ins_nthw_delete(be_dev->p_tx_ins_nthw);
 }
 
 static const struct flow_backend_ops ops = {
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.c b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.c
new file mode 100644
index 0000000000..355b54ddb1
--- /dev/null
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.c
@@ -0,0 +1,62 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "ntlog.h"
+#include "nthw_drv.h"
+#include "nthw_register.h"
+
+#include "flow_nthw_tx_ins.h"
+
+struct tx_ins_nthw *tx_ins_nthw_new(void)
+{
+	struct tx_ins_nthw *p = malloc(sizeof(struct tx_ins_nthw));
+
+	if (p)
+		(void)memset(p, 0, sizeof(*p));
+
+	return p;
+}
+
+void tx_ins_nthw_delete(struct tx_ins_nthw *p)
+{
+	if (p) {
+		(void)memset(p, 0, sizeof(*p));
+		free(p);
+	}
+}
+
+int tx_ins_nthw_init(struct tx_ins_nthw *p, nthw_fpga_t *p_fpga, int n_instance)
+{
+	const char *const p_adapter_id_str = p_fpga->p_fpga_info->mp_adapter_id_str;
+	nthw_module_t *p_mod = nthw_fpga_query_module(p_fpga, MOD_TX_INS, n_instance);
+
+	assert(n_instance >= 0 && n_instance < 256);
+
+	if (p == NULL)
+		return p_mod == NULL ? -1 : 0;
+
+	if (p_mod == NULL) {
+		NT_LOG(ERR, NTHW, "%s: TxIns %d: no such instance", p_adapter_id_str,
+			n_instance);
+		return -1;
+	}
+
+	p->mp_fpga = p_fpga;
+	p->m_physical_adapter_no = (uint8_t)n_instance;
+	p->m_tx_ins = nthw_fpga_query_module(p_fpga, MOD_TX_INS, n_instance);
+
+	p->mp_rcp_ctrl = nthw_module_get_register(p->m_tx_ins, INS_RCP_CTRL);
+	p->mp_rcp_addr = nthw_register_get_field(p->mp_rcp_ctrl, INS_RCP_CTRL_ADR);
+	p->mp_rcp_cnt = nthw_register_get_field(p->mp_rcp_ctrl, INS_RCP_CTRL_CNT);
+	p->mp_rcp_data = nthw_module_get_register(p->m_tx_ins, INS_RCP_DATA);
+	p->mp_rcp_data_dyn = nthw_register_get_field(p->mp_rcp_data, INS_RCP_DATA_DYN);
+	p->mp_rcp_data_ofs = nthw_register_get_field(p->mp_rcp_data, INS_RCP_DATA_OFS);
+	p->mp_rcp_data_len = nthw_register_get_field(p->mp_rcp_data, INS_RCP_DATA_LEN);
+
+	return 0;
+}
diff --git a/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.h b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.h
new file mode 100644
index 0000000000..4e7c4133da
--- /dev/null
+++ b/drivers/net/ntnic/nthw/flow_filter/flow_nthw_tx_ins.h
@@ -0,0 +1,35 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef __FLOW_NTHW_TX_INS_H__
+#define __FLOW_NTHW_TX_INS_H__
+
+#include <stdint.h>
+
+#include "nthw_fpga_model.h"
+
+struct tx_ins_nthw {
+	uint8_t m_physical_adapter_no;
+	nthw_fpga_t *mp_fpga;
+
+	nthw_module_t *m_tx_ins;
+
+	nthw_register_t *mp_rcp_ctrl;
+	nthw_field_t *mp_rcp_addr;
+	nthw_field_t *mp_rcp_cnt;
+
+	nthw_register_t *mp_rcp_data;
+	nthw_field_t *mp_rcp_data_dyn;
+	nthw_field_t *mp_rcp_data_ofs;
+	nthw_field_t *mp_rcp_data_len;
+};
+
+struct tx_ins_nthw *tx_ins_nthw_new(void);
+void tx_ins_nthw_delete(struct tx_ins_nthw *p);
+int tx_ins_nthw_init(struct tx_ins_nthw *p, nthw_fpga_t *p_fpga, int n_instance);
+
+int tx_ins_nthw_setup(struct tx_ins_nthw *p, int n_idx, int n_idx_cnt);
+
+#endif	/* __FLOW_NTHW_TX_INS_H__ */
diff --git a/drivers/net/ntnic/nthw/supported/nthw_fpga_mod_defs.h b/drivers/net/ntnic/nthw/supported/nthw_fpga_mod_defs.h
index 14e031dc69..0d5385a313 100644
--- a/drivers/net/ntnic/nthw/supported/nthw_fpga_mod_defs.h
+++ b/drivers/net/ntnic/nthw/supported/nthw_fpga_mod_defs.h
@@ -39,6 +39,7 @@
 #define MOD_SDC (0xd2369530UL)
 #define MOD_SLC_LR (0x969fc50bUL)
 #define MOD_TX_CPY (0x60acf217UL)
+#define MOD_TX_INS (0x59afa100UL)
 #define MOD_IDX_COUNT (14)
 
 /* aliases - only aliases go below this point */
diff --git a/drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs.h b/drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs.h
index 6eebab65a2..605196e30e 100644
--- a/drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs.h
+++ b/drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs.h
@@ -26,6 +26,7 @@
 #include "nthw_fpga_reg_defs_i2cm.h"
 #include "nthw_fpga_reg_defs_ifr.h"
 #include "nthw_fpga_reg_defs_iic.h"
+#include "nthw_fpga_reg_defs_ins.h"
 #include "nthw_fpga_reg_defs_km.h"
 #include "nthw_fpga_reg_defs_mac_pcs.h"
 #include "nthw_fpga_reg_defs_pcie3.h"
@@ -40,6 +41,7 @@
 #include "nthw_fpga_reg_defs_slc.h"
 #include "nthw_fpga_reg_defs_slc_lr.h"
 #include "nthw_fpga_reg_defs_tx_cpy.h"
+#include "nthw_fpga_reg_defs_tx_ins.h"
 
 /* aliases */
 
diff --git a/drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs_ins.h b/drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs_ins.h
new file mode 100644
index 0000000000..8aaef2a8f6
--- /dev/null
+++ b/drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs_ins.h
@@ -0,0 +1,30 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 Napatech A/S
+ */
+
+/*
+ * nthw_fpga_reg_defs_ins.h
+ *
+ * Auto-generated file - do *NOT* edit
+ *
+ */
+
+#ifndef _NTHW_FPGA_REG_DEFS_INS_
+#define _NTHW_FPGA_REG_DEFS_INS_
+
+/* INS */
+#define NTHW_MOD_INS (0x24df4b78UL)
+#define INS_RCP_CTRL (0x93de4e05UL)
+#define INS_RCP_CTRL_ADR (0x3ae620a8UL)
+#define INS_RCP_CTRL_CNT (0x2aeeb979UL)
+#define INS_RCP_DATA (0x3c0fcc1cUL)
+#define INS_RCP_DATA_DYN (0xc6aa4fccUL)
+#define INS_RCP_DATA_LEN (0x2ece4329UL)
+#define INS_RCP_DATA_OFS (0x64a3c26aUL)
+
+#endif	/* _NTHW_FPGA_REG_DEFS_INS_ */
+
+/*
+ * Auto-generated file - do *NOT* edit
+ */
diff --git a/drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs_tx_ins.h b/drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs_tx_ins.h
new file mode 100644
index 0000000000..26635bd0a2
--- /dev/null
+++ b/drivers/net/ntnic/nthw/supported/nthw_fpga_reg_defs_tx_ins.h
@@ -0,0 +1,23 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 Napatech A/S
+ */
+
+/*
+ * nthw_fpga_reg_defs_tx_ins.h
+ *
+ * Auto-generated file - do *NOT* edit
+ *
+ */
+
+#ifndef _NTHW_FPGA_REG_DEFS_TX_INS_
+#define _NTHW_FPGA_REG_DEFS_TX_INS_
+
+/* TX_INS */
+#define NTHW_MOD_TX_INS (0x59afa100UL)
+
+#endif	/* _NTHW_FPGA_REG_DEFS_TX_INS_ */
+
+/*
+ * Auto-generated file - do *NOT* edit
+ */
-- 
2.45.0