From: Denis Pryazhennikov <denis.pryazhennikov@arknetworks.am>
API allows to insert data to any supported HW table.
Signed-off-by: Denis Pryazhennikov <denis.pryazhennikov@arknetworks.am>
Reviewed-by: Ivan Malov <ivan.malov@arknetworks.am>
Reviewed-by: Viacheslav Galaktionov <viacheslav.galaktionov@arknetworks.am>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
---
drivers/common/sfc_efx/base/efx.h | 16 +++++
drivers/common/sfc_efx/base/efx_table.c | 79 +++++++++++++++++++++++++
drivers/common/sfc_efx/version.map | 1 +
3 files changed, 96 insertions(+)
@@ -5166,6 +5166,22 @@ efx_table_describe(
__in unsigned int n_field_descs,
__out_opt unsigned int *n_field_descs_writtenp);
+/* Maximum possible size of data for manipulation of the tables */
+#define EFX_TABLE_ENTRY_LENGTH_MAX 1008
+
+LIBEFX_API
+extern __checkReturn efx_rc_t
+efx_table_entry_insert(
+ __in efx_nic_t *enp,
+ __in efx_table_id_t table_id,
+ __in uint16_t priority,
+ __in uint16_t mask_id,
+ __in uint16_t key_width,
+ __in uint16_t mask_width,
+ __in uint16_t resp_width,
+ __in_bcount(data_size) uint8_t *entry_datap,
+ __in unsigned int data_size);
+
#ifdef __cplusplus
}
#endif
@@ -338,6 +338,85 @@ efx_table_describe(
EFSYS_PROBE(fail6);
fail5:
EFSYS_PROBE(fail5);
+fail4:
+ EFSYS_PROBE(fail4);
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+efx_table_entry_insert(
+ __in efx_nic_t *enp,
+ __in efx_table_id_t table_id,
+ __in uint16_t priority,
+ __in uint16_t mask_id,
+ __in uint16_t key_width,
+ __in uint16_t mask_width,
+ __in uint16_t resp_width,
+ __in_bcount(data_size) uint8_t *entry_datap,
+ __in unsigned int data_size)
+{
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(enp);
+ unsigned int n_dwords;
+ efx_mcdi_req_t req;
+ efx_rc_t rc;
+ EFX_MCDI_DECLARE_BUF(payload,
+ MC_CMD_TABLE_INSERT_IN_LENMAX_MCDI2,
+ MC_CMD_TABLE_INSERT_OUT_LEN);
+
+ /*
+ * Ensure MCDI number of 32bit units matches EFX maximum possible
+ * data in bytes.
+ */
+ EFX_STATIC_ASSERT((MC_CMD_TABLE_INSERT_IN_LENMAX * sizeof(uint32_t)) ==
+ EFX_TABLE_ENTRY_LENGTH_MAX);
+
+ if (encp->enc_table_api_supported == B_FALSE) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+
+ if ((data_size % sizeof(uint32_t)) != 0) {
+ rc = EINVAL;
+ goto fail2;
+ }
+
+ if ((data_size == 0) || (data_size > EFX_TABLE_ENTRY_LENGTH_MAX)) {
+ rc = EINVAL;
+ goto fail3;
+ }
+
+ n_dwords = data_size / sizeof(uint32_t);
+
+ req.emr_cmd = MC_CMD_TABLE_INSERT;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_TABLE_INSERT_IN_LEN(n_dwords);
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_TABLE_INSERT_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, TABLE_INSERT_IN_TABLE_ID, (uint32_t)table_id);
+ MCDI_IN_SET_WORD(req, TABLE_INSERT_IN_PRIORITY, priority);
+ MCDI_IN_SET_WORD(req, TABLE_INSERT_IN_MASK_ID, mask_id);
+ MCDI_IN_SET_WORD(req, TABLE_INSERT_IN_KEY_WIDTH, key_width);
+ MCDI_IN_SET_WORD(req, TABLE_INSERT_IN_MASK_WIDTH, mask_width);
+ MCDI_IN_SET_WORD(req, TABLE_INSERT_IN_RESP_WIDTH, resp_width);
+
+ memcpy(MCDI_IN2(req, uint8_t, TABLE_INSERT_IN_DATA), entry_datap, data_size);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail4;
+ }
+
+ return (0);
+
fail4:
EFSYS_PROBE(fail4);
fail3:
@@ -234,6 +234,7 @@ INTERNAL {
efx_sram_buf_tbl_set;
efx_table_describe;
+ efx_table_entry_insert;
efx_table_is_supported;
efx_table_list;
efx_table_supported_num_get;