diff mbox series

[v3,12/23] net/dpaa2: support dpdmux to not drop parse err pkts

Message ID 20210224124311.29799-13-hemant.agrawal@nxp.com (mailing list archive)
State Accepted
Delegated to: Ferruh Yigit
Headers show
Series NXP DPAAx ethernet PMD changes | expand

Checks

Context Check Description
ci/checkpatch warning coding style issues

Commit Message

Hemant Agrawal Feb. 24, 2021, 12:43 p.m. UTC
DPDMUX should not drop parse error packets. They shall
be left to the decision of the connected DPNI interfaces

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 drivers/net/dpaa2/dpaa2_mux.c         |  18 ++++
 drivers/net/dpaa2/mc/dpdmux.c         |  37 +++++++++
 drivers/net/dpaa2/mc/fsl_dpdmux.h     | 113 +++++++++++++++++++++++++-
 drivers/net/dpaa2/mc/fsl_dpdmux_cmd.h |  25 ++++--
 4 files changed, 187 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/dpaa2/dpaa2_mux.c b/drivers/net/dpaa2/dpaa2_mux.c
index 1ff00ca8f7..811f417491 100644
--- a/drivers/net/dpaa2/dpaa2_mux.c
+++ b/drivers/net/dpaa2/dpaa2_mux.c
@@ -324,6 +324,24 @@  dpaa2_create_dpdmux_device(int vdev_fd __rte_unused,
 		}
 	}
 
+	if (maj_ver >= 6 && min_ver >= 9) {
+		struct dpdmux_error_cfg mux_err_cfg;
+
+		memset(&mux_err_cfg, 0, sizeof(mux_err_cfg));
+		mux_err_cfg.error_action = DPDMUX_ERROR_ACTION_CONTINUE;
+		mux_err_cfg.errors = DPDMUX_ERROR_DISC;
+
+		ret = dpdmux_if_set_errors_behavior(&dpdmux_dev->dpdmux,
+				CMD_PRI_LOW,
+				dpdmux_dev->token, dpdmux_id,
+				&mux_err_cfg);
+		if (ret) {
+			DPAA2_PMD_ERR("dpdmux_if_set_errors_behavior %s err %d",
+				      __func__, ret);
+			goto init_err;
+		}
+	}
+
 	dpdmux_dev->dpdmux_id = dpdmux_id;
 	dpdmux_dev->num_ifs = attr.num_ifs;
 
diff --git a/drivers/net/dpaa2/mc/dpdmux.c b/drivers/net/dpaa2/mc/dpdmux.c
index 57c811c70f..93912ef9d3 100644
--- a/drivers/net/dpaa2/mc/dpdmux.c
+++ b/drivers/net/dpaa2/mc/dpdmux.c
@@ -1012,3 +1012,40 @@  int dpdmux_get_api_version(struct fsl_mc_io *mc_io,
 
 	return 0;
 }
+
+/**
+ * dpdmux_if_set_errors_behavior() - Set errors behavior
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPSW object
+ * @if_id:  Interface Identifier
+ * @cfg:	Errors configuration
+ *
+ * Provides a set of frame errors that will be rejected or accepted by the
+ * dpdmux interface. The frame with this errors will no longer be dropped by
+ * the dpdmux interface. When frame has parsing error the distribution to
+ * expected interface may fail. If the frame must be distributed using the
+ * information from a header that was not parsed due errors the frame may
+ * be discarded or end up on a default interface because needed data was not
+ * parsed properly.
+ * This function may be called numerous times with different error masks
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpdmux_if_set_errors_behavior(struct fsl_mc_io *mc_io, uint32_t cmd_flags,
+		uint16_t token, uint16_t if_id, struct dpdmux_error_cfg *cfg)
+{
+	struct mc_command cmd = { 0 };
+	struct dpdmux_cmd_set_errors_behavior *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPDMUX_CMDID_SET_ERRORS_BEHAVIOR,
+					cmd_flags,
+					token);
+	cmd_params = (struct dpdmux_cmd_set_errors_behavior *)cmd.params;
+	cmd_params->errors = cpu_to_le32(cfg->errors);
+	dpdmux_set_field(cmd_params->flags, ERROR_ACTION, cfg->error_action);
+	cmd_params->if_id = cpu_to_le16(if_id);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
diff --git a/drivers/net/dpaa2/mc/fsl_dpdmux.h b/drivers/net/dpaa2/mc/fsl_dpdmux.h
index dc067b81cd..f4f9598a29 100644
--- a/drivers/net/dpaa2/mc/fsl_dpdmux.h
+++ b/drivers/net/dpaa2/mc/fsl_dpdmux.h
@@ -39,6 +39,12 @@  int dpdmux_close(struct fsl_mc_io *mc_io,
  */
 #define DPDMUX_OPT_CLS_MASK_SUPPORT		0x0000000000000020ULL
 
+/**
+ * Automatic max frame length - maximum frame length for dpdmux interface will
+ * be changed automatically by connected dpni objects.
+ */
+#define DPDMUX_OPT_AUTO_MAX_FRAME_LEN	0x0000000000000040ULL
+
 #define DPDMUX_IRQ_INDEX_IF	0x0000
 #define DPDMUX_IRQ_INDEX	0x0001
 
@@ -203,6 +209,7 @@  int dpdmux_set_max_frame_length(struct fsl_mc_io *mc_io,
  * @DPDMUX_CNT_EGR_FRAME: Counts egress frames
  * @DPDMUX_CNT_EGR_BYTE: Counts egress bytes
  * @DPDMUX_CNT_EGR_FRAME_DISCARD: Counts discarded egress frames
+ * @DPDMUX_CNT_ING_NO_BUFFER_DISCARD: Counts ingress no buffer discard frames
  */
 enum dpdmux_counter_type {
 	DPDMUX_CNT_ING_FRAME = 0x0,
@@ -215,7 +222,8 @@  enum dpdmux_counter_type {
 	DPDMUX_CNT_ING_BCAST_BYTES = 0x7,
 	DPDMUX_CNT_EGR_FRAME = 0x8,
 	DPDMUX_CNT_EGR_BYTE = 0x9,
-	DPDMUX_CNT_EGR_FRAME_DISCARD = 0xa
+	DPDMUX_CNT_EGR_FRAME_DISCARD = 0xa,
+	DPDMUX_CNT_ING_NO_BUFFER_DISCARD = 0xb,
 };
 
 /**
@@ -447,4 +455,107 @@  int dpdmux_get_api_version(struct fsl_mc_io *mc_io,
 			   uint16_t *major_ver,
 			   uint16_t *minor_ver);
 
+/**
+ * Discard bit. This bit must be used together with other bits in
+ * DPDMUX_ERROR_ACTION_CONTINUE to disable discarding of frames containing
+ * errors
+ */
+#define DPDMUX_ERROR_DISC		0x80000000
+/**
+ * MACSEC is enabled
+ */
+#define DPDMUX_ERROR_MS			0x40000000
+/**
+ * PTP event frame
+ */
+#define DPDMUX_ERROR_PTP			0x08000000
+/**
+ * This is a multicast frame
+ */
+#define DPDMUX_ERROR_MC			0x04000000
+/**
+ * This is a broadcast frame
+ */
+#define DPDMUX_ERROR_BC			0x02000000
+/**
+ * Invalid Key composition or key size error
+ */
+#define DPDMUX_ERROR_KSE			0x00040000
+/**
+ * Extract out of frame header
+ */
+#define DPDMUX_ERROR_EOFHE		0x00020000
+/**
+ * Maximum number of chained lookups is reached
+ */
+#define DPDMUX_ERROR_MNLE			0x00010000
+/**
+ * Invalid table ID
+ */
+#define DPDMUX_ERROR_TIDE			0x00008000
+/**
+ * Policer initialization entry error
+ */
+#define DPDMUX_ERROR_PIEE			0x00004000
+/**
+ * Frame length error
+ */
+#define DPDMUX_ERROR_FLE			0x00002000
+/**
+ * Frame physical error
+ */
+#define DPDMUX_ERROR_FPE			0x00001000
+/**
+ * Cycle limit is exceeded and frame parsing is forced to terminate early
+ */
+#define DPDMUX_ERROR_PTE			0x00000080
+/**
+ * Invalid softparse instruction is encountered
+ */
+#define DPDMUX_ERROR_ISP			0x00000040
+/**
+ * Parsing header error
+ */
+#define DPDMUX_ERROR_PHE			0x00000020
+/*
+ * Block limit is exceeded. Maximum data that can be read and parsed is 256
+ * bytes.
+ * Parser will set this bit if it needs more that this limit to parse.
+ */
+#define DPDMUX_ERROR_BLE			0x00000010
+/**
+ * L3 checksum validation
+ */
+#define DPDMUX__ERROR_L3CV			0x00000008
+/**
+ * L3 checksum error
+ */
+#define DPDMUX__ERROR_L3CE			0x00000004
+/**
+ * L4 checksum validation
+ */
+#define DPDMUX__ERROR_L4CV			0x00000002
+/**
+ * L4 checksum error
+ */
+#define DPDMUX__ERROR_L4CE			0x00000001
+
+enum dpdmux_error_action {
+	DPDMUX_ERROR_ACTION_DISCARD = 0,
+	DPDMUX_ERROR_ACTION_CONTINUE = 1
+};
+
+/**
+ * Configure how dpdmux interface behaves on errors
+ * @errors - or'ed combination of DPDMUX_ERROR_*
+ * @action - set to DPDMUX_ERROR_ACTION_DISCARD or DPDMUX_ERROR_ACTION_CONTINUE
+ */
+struct dpdmux_error_cfg {
+	uint32_t errors;
+	enum dpdmux_error_action error_action;
+};
+
+int dpdmux_if_set_errors_behavior(struct fsl_mc_io *mc_io, uint32_t cmd_flags,
+		uint16_t token, uint16_t if_id, struct dpdmux_error_cfg *cfg);
+
 #endif /* __FSL_DPDMUX_H */
diff --git a/drivers/net/dpaa2/mc/fsl_dpdmux_cmd.h b/drivers/net/dpaa2/mc/fsl_dpdmux_cmd.h
index 2444e9a2e5..2ab4d75dfb 100644
--- a/drivers/net/dpaa2/mc/fsl_dpdmux_cmd.h
+++ b/drivers/net/dpaa2/mc/fsl_dpdmux_cmd.h
@@ -9,30 +9,35 @@ 
 
 /* DPDMUX Version */
 #define DPDMUX_VER_MAJOR		6
-#define DPDMUX_VER_MINOR		3
+#define DPDMUX_VER_MINOR		9
 
 #define DPDMUX_CMD_BASE_VERSION		1
 #define DPDMUX_CMD_VERSION_2		2
+#define DPDMUX_CMD_VERSION_3		3
+#define DPDMUX_CMD_VERSION_4		4
 #define DPDMUX_CMD_ID_OFFSET		4
 
 #define DPDMUX_CMD(id)	(((id) << DPDMUX_CMD_ID_OFFSET) |\
 				DPDMUX_CMD_BASE_VERSION)
 #define DPDMUX_CMD_V2(id) (((id) << DPDMUX_CMD_ID_OFFSET) | \
 				DPDMUX_CMD_VERSION_2)
+#define DPDMUX_CMD_V3(id)	(((id) << DPDMUX_CMD_ID_OFFSET) |\
+				DPDMUX_CMD_VERSION_3)
+#define DPDMUX_CMD_V4(id)	(((id) << DPDMUX_CMD_ID_OFFSET) |\
+				DPDMUX_CMD_VERSION_4)
 
 /* Command IDs */
 #define DPDMUX_CMDID_CLOSE			DPDMUX_CMD(0x800)
 #define DPDMUX_CMDID_OPEN			DPDMUX_CMD(0x806)
-#define DPDMUX_CMDID_CREATE			DPDMUX_CMD(0x906)
+#define DPDMUX_CMDID_CREATE			DPDMUX_CMD_V4(0x906)
 #define DPDMUX_CMDID_DESTROY			DPDMUX_CMD(0x986)
 #define DPDMUX_CMDID_GET_API_VERSION		DPDMUX_CMD(0xa06)
 
 #define DPDMUX_CMDID_ENABLE			DPDMUX_CMD(0x002)
 #define DPDMUX_CMDID_DISABLE			DPDMUX_CMD(0x003)
-#define DPDMUX_CMDID_GET_ATTR			DPDMUX_CMD(0x004)
+#define DPDMUX_CMDID_GET_ATTR			DPDMUX_CMD_V2(0x004)
 #define DPDMUX_CMDID_RESET			DPDMUX_CMD(0x005)
 #define DPDMUX_CMDID_IS_ENABLED			DPDMUX_CMD(0x006)
-
 #define DPDMUX_CMDID_SET_MAX_FRAME_LENGTH	DPDMUX_CMD(0x0a1)
 
 #define DPDMUX_CMDID_UL_RESET_COUNTERS		DPDMUX_CMD(0x0a3)
@@ -49,7 +54,7 @@ 
 #define DPDMUX_CMDID_IF_GET_LINK_STATE		DPDMUX_CMD_V2(0x0b4)
 
 #define DPDMUX_CMDID_SET_CUSTOM_KEY		DPDMUX_CMD(0x0b5)
-#define DPDMUX_CMDID_ADD_CUSTOM_CLS_ENTRY	DPDMUX_CMD(0x0b6)
+#define DPDMUX_CMDID_ADD_CUSTOM_CLS_ENTRY	DPDMUX_CMD_V2(0x0b6)
 #define DPDMUX_CMDID_REMOVE_CUSTOM_CLS_ENTRY	DPDMUX_CMD(0x0b7)
 
 #define DPDMUX_CMDID_IF_SET_DEFAULT		DPDMUX_CMD(0x0b8)
@@ -57,6 +62,7 @@ 
 
 #define DPDMUX_CMDID_SET_RESETABLE		DPDMUX_CMD(0x0ba)
 #define DPDMUX_CMDID_GET_RESETABLE		DPDMUX_CMD(0x0bb)
+#define DPDMUX_CMDID_SET_ERRORS_BEHAVIOR	DPDMUX_CMD(0x0bf)
 
 #define DPDMUX_MASK(field)        \
 	GENMASK(DPDMUX_##field##_SHIFT + DPDMUX_##field##_SIZE - 1, \
@@ -233,5 +239,14 @@  struct dpdmux_rsp_get_skip_reset_flags {
 	uint8_t skip_reset_flags;
 };
 
+#define DPDMUX_ERROR_ACTION_SHIFT		0
+#define DPDMUX_ERROR_ACTION_SIZE		4
+
+struct dpdmux_cmd_set_errors_behavior {
+	uint32_t errors;
+	uint16_t flags;
+	uint16_t if_id;
+};
+
 #pragma pack(pop)
 #endif /* _FSL_DPDMUX_CMD_H */