[dpdk-dev] [PATCH 7/7] net/i40e: enable cloud filter for GTP-C and GTP-U

Beilei Xing beilei.xing at intel.com
Fri Aug 25 09:50:30 CEST 2017


GTP-C & GTP-U are not supported by cloud filter due
to limited resource of HW, this patch enables GTP-C
and GTP-U cloud filter by replacing inner_mac and
TUNNEL_KEY.
This configuration will be set when adding GTP-C or
GTP-U filter rules, and it will be invalid only by
NIC core reset.

Signed-off-by: Beilei Xing <beilei.xing at intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 153 +++++++++++++++++++++++++++++++++++++++++
 drivers/net/i40e/i40e_ethdev.h |   3 +
 2 files changed, 156 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index d7ef782..974dc8d 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -7170,6 +7170,123 @@ i40e_status_code i40e_replace_mpls_cloud_filter(struct i40e_pf *pf)
 	return status;
 }
 
+static enum i40e_status_code
+i40e_replace_gtp_l1_filter(struct i40e_pf *pf)
+{
+	struct i40e_aqc_replace_cloud_filters_cmd  filter_replace;
+	struct i40e_aqc_replace_cloud_filters_cmd_buf  filter_replace_buf;
+	struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+	enum i40e_status_code status = I40E_SUCCESS;
+
+	/* For GTP-C */
+	memset(&filter_replace, 0,
+	       sizeof(struct i40e_aqc_replace_cloud_filters_cmd));
+	memset(&filter_replace_buf, 0,
+	       sizeof(struct i40e_aqc_replace_cloud_filters_cmd_buf));
+	/* create L1 filter */
+	filter_replace.old_filter_type =
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_IMAC;
+	filter_replace.new_filter_type = I40E_AQC_ADD_L1_FILTER_TEID_GTPC;
+	filter_replace.tr_bit = 22 | 0x80;
+	/* Prepare the buffer, 2 entries */
+	filter_replace_buf.data[0] =
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_TEID_WORD0;
+	filter_replace_buf.data[0] |=
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_VALIDATED;
+	filter_replace_buf.data[2] = 0xFF;
+	filter_replace_buf.data[3] = 0xFF;
+	filter_replace_buf.data[4] =
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_TEID_WORD1;
+	filter_replace_buf.data[4] |=
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_VALIDATED;
+	filter_replace_buf.data[6] = 0xFF;
+	filter_replace_buf.data[7] = 0xFF;
+	status = i40e_aq_replace_cloud_filters(hw, &filter_replace,
+					       &filter_replace_buf);
+	if (status < 0)
+		return status;
+
+	/* for GTP-U */
+	memset(&filter_replace, 0,
+	       sizeof(struct i40e_aqc_replace_cloud_filters_cmd));
+	memset(&filter_replace_buf, 0,
+	       sizeof(struct i40e_aqc_replace_cloud_filters_cmd_buf));
+	/* create L1 filter */
+	filter_replace.old_filter_type =
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_TUNNLE_KEY;
+	filter_replace.new_filter_type = I40E_AQC_ADD_L1_FILTER_TEID_GTPC;
+	filter_replace.tr_bit = 21 | 0x80;
+	/* Prepare the buffer, 2 entries */
+	filter_replace_buf.data[0] =
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_TEID_WORD0;
+	filter_replace_buf.data[0] |=
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_VALIDATED;
+	filter_replace_buf.data[2] = 0xFF;
+	filter_replace_buf.data[3] = 0xFF;
+	filter_replace_buf.data[4] =
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_TEID_WORD1;
+	filter_replace_buf.data[4] |=
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_VALIDATED;
+	filter_replace_buf.data[6] = 0xFF;
+	filter_replace_buf.data[7] = 0xFF;
+
+	status = i40e_aq_replace_cloud_filters(hw, &filter_replace,
+					       &filter_replace_buf);
+	return status;
+}
+
+static enum
+i40e_status_code i40e_replace_gtp_cloud_filter(struct i40e_pf *pf)
+{
+	struct i40e_aqc_replace_cloud_filters_cmd  filter_replace;
+	struct i40e_aqc_replace_cloud_filters_cmd_buf  filter_replace_buf;
+	struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+	enum i40e_status_code status = I40E_SUCCESS;
+
+	/* for GTP-C */
+	memset(&filter_replace, 0,
+	       sizeof(struct i40e_aqc_replace_cloud_filters_cmd));
+	memset(&filter_replace_buf, 0,
+	       sizeof(struct i40e_aqc_replace_cloud_filters_cmd_buf));
+	filter_replace.valid_flags = I40E_AQC_REPLACE_CLOUD_FILTER;
+	filter_replace.old_filter_type = I40E_AQC_ADD_CLOUD_FILTER_IMAC_IVLAN;
+	filter_replace.new_filter_type =
+		I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoUDP;
+	/* Prepare the buffer, 2 entries */
+	filter_replace_buf.data[0] = I40E_AQC_ADD_L1_FILTER_TEID_GTPC;
+	filter_replace_buf.data[0] |=
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_VALIDATED;
+	filter_replace_buf.data[4] = I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_STAG;
+	filter_replace_buf.data[4] |=
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_VALIDATED;
+	status = i40e_aq_replace_cloud_filters(hw, &filter_replace,
+					       &filter_replace_buf);
+	if (status < 0)
+		return status;
+
+	/* for GTP-U */
+	memset(&filter_replace, 0,
+	       sizeof(struct i40e_aqc_replace_cloud_filters_cmd));
+	memset(&filter_replace_buf, 0,
+	       sizeof(struct i40e_aqc_replace_cloud_filters_cmd_buf));
+	filter_replace.valid_flags = I40E_AQC_REPLACE_CLOUD_FILTER;
+	filter_replace.old_filter_type =
+		I40E_AQC_ADD_CLOUD_FILTER_IMAC_IVLAN_TEN_ID;
+	filter_replace.new_filter_type =
+		I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoGRE;
+	/* Prepare the buffer, 2 entries */
+	filter_replace_buf.data[0] = I40E_AQC_ADD_L1_FILTER_TEID_GTPU;
+	filter_replace_buf.data[0] |=
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_VALIDATED;
+	filter_replace_buf.data[4] = I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_STAG;
+	filter_replace_buf.data[4] |=
+		I40E_AQC_REPLACE_CLOUD_CMD_INPUT_VALIDATED;
+
+	status = i40e_aq_replace_cloud_filters(hw, &filter_replace,
+					       &filter_replace_buf);
+	return status;
+}
+
 int
 i40e_dev_consistent_tunnel_filter_set(struct i40e_pf *pf,
 		      struct i40e_tunnel_filter_conf *tunnel_filter,
@@ -7270,6 +7387,36 @@ i40e_dev_consistent_tunnel_filter_set(struct i40e_pf *pf,
 		big_buffer = 1;
 		tun_type = I40E_AQC_ADD_CLOUD_TNL_TYPE_MPLSoGRE;
 		break;
+	case I40E_TUNNEL_TYPE_GTPC:
+		if (!pf->gtp_replace_flag) {
+			i40e_replace_gtp_l1_filter(pf);
+			i40e_replace_gtp_cloud_filter(pf);
+			pf->gtp_replace_flag = 1;
+		}
+		teid_le = rte_cpu_to_le_32(tunnel_filter->tenant_id);
+		pfilter->general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X10_WORD0] =
+			teid_le >> 16;
+		pfilter->general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X10_WORD1] =
+			teid_le & 0xFF;
+		pfilter->general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X10_WORD2] =
+			0x0;
+		big_buffer = 1;
+		break;
+	case I40E_TUNNEL_TYPE_GTPU:
+		if (!pf->gtp_replace_flag) {
+			i40e_replace_gtp_l1_filter(pf);
+			i40e_replace_gtp_cloud_filter(pf);
+			pf->gtp_replace_flag = 1;
+		}
+		teid_le = rte_cpu_to_le_32(tunnel_filter->tenant_id);
+		pfilter->general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X10_WORD0] =
+			teid_le >> 16;
+		pfilter->general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X10_WORD1] =
+			teid_le & 0xFF;
+		pfilter->general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X10_WORD2] =
+			0x0;
+		big_buffer = 1;
+		break;
 	case I40E_TUNNEL_TYPE_QINQ:
 		if (!pf->qinq_replace_flag) {
 			ret = i40e_cloud_filter_qinq_create(pf);
@@ -7300,6 +7447,12 @@ i40e_dev_consistent_tunnel_filter_set(struct i40e_pf *pf,
 	else if (tunnel_filter->tunnel_type == I40E_TUNNEL_TYPE_MPLSoGRE)
 		pfilter->element.flags =
 			I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoGRE;
+	else if (tunnel_filter->tunnel_type == I40E_TUNNEL_TYPE_GTPC)
+		pfilter->element.flags =
+			I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoUDP;
+	else if (tunnel_filter->tunnel_type == I40E_TUNNEL_TYPE_GTPU)
+		pfilter->element.flags =
+			I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoGRE;
 	else if (tunnel_filter->tunnel_type == I40E_TUNNEL_TYPE_QINQ)
 		pfilter->element.flags |=
 			I40E_AQC_ADD_CLOUD_FILTER_CUSTOM_QINQ;
diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index 3b7a837..5bd0fb7 100644
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -652,6 +652,8 @@ struct i40e_ethertype_rule {
 #define I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoUDP 0x11
 #define I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoGRE 0x12
 #define I40E_AQC_ADD_L1_FILTER_TEID_MPLS 0x11
+#define I40E_AQC_ADD_L1_FILTER_TEID_GTPC 0x12
+#define I40E_AQC_ADD_L1_FILTER_TEID_GTPU 0x13
 
 enum i40e_tunnel_iptype {
 	I40E_TUNNEL_IPTYPE_IPV4,
@@ -886,6 +888,7 @@ struct i40e_pf {
 	bool floating_veb_list[I40E_MAX_VF];
 	struct i40e_flow_list flow_list;
 	bool mpls_replace_flag;  /* 1 - MPLS filter replace is done */
+	bool gtp_replace_flag; /* 1 - GTP-C/U filter replace is done */
 	bool qinq_replace_flag;  /* QINQ filter replace is done */
 	struct i40e_tm_conf tm_conf;
 };
-- 
2.5.5



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