[dpdk-dev] [PATCH v4 07/19] net/hinic/base: add fdir config interface

[Xiaoyun wang <cloud.wangxiaoyun@huawei.com>]

This patch adds fdir config operation, including set fdir filter,
normal filter, set and clear fdir tcam.

Signed-off-by: Xiaoyun wang <cloud.wangxiaoyun@huawei.com>
---
 doc/guides/nics/features/hinic.ini        |   1 +
 doc/guides/nics/hinic.rst                 |   1 +
 drivers/net/hinic/base/hinic_pmd_cmd.h    |   2 +
 drivers/net/hinic/base/hinic_pmd_niccfg.c | 205 ++++++++++++++++++++++++++++++
 drivers/net/hinic/base/hinic_pmd_niccfg.h | 134 +++++++++++++++++++
 5 files changed, 343 insertions(+)

diff --git a/doc/guides/nics/features/hinic.ini b/doc/guides/nics/features/hinic.ini
index 1f9d62c..a7cb33e 100644
--- a/doc/guides/nics/features/hinic.ini
+++ b/doc/guides/nics/features/hinic.ini
@@ -32,6 +32,7 @@ Inner L4 checksum    = Y
 Basic stats          = Y
 Extended stats       = Y
 Stats per queue      = Y
+Flow director        = Y
 Linux UIO            = Y
 Linux VFIO           = Y
 BSD nic_uio          = N
diff --git a/doc/guides/nics/hinic.rst b/doc/guides/nics/hinic.rst
index 4df5f16..8ff4171 100644
--- a/doc/guides/nics/hinic.rst
+++ b/doc/guides/nics/hinic.rst
@@ -30,6 +30,7 @@ Features
 - MTU update
 - Unicast MAC filter
 - Multicast MAC filter
+- Flow director
 
 Prerequisites
 -------------
diff --git a/drivers/net/hinic/base/hinic_pmd_cmd.h b/drivers/net/hinic/base/hinic_pmd_cmd.h
index 5c38b5f..6b3dcf3 100644
--- a/drivers/net/hinic/base/hinic_pmd_cmd.h
+++ b/drivers/net/hinic/base/hinic_pmd_cmd.h
@@ -140,6 +140,8 @@ enum hinic_port_cmd {
 
 	HINIC_PORT_CMD_SET_VHD_CFG		= 0xF7,
 	HINIC_PORT_CMD_SET_LINK_FOLLOW		= 0xF8,
+	HINIC_PORT_CMD_Q_FILTER			= 0xFC,
+	HINIC_PORT_CMD_TCAM_FILTER		= 0xFE,
 	HINIC_PORT_CMD_SET_VLAN_FILTER		= 0xFF
 };
 
diff --git a/drivers/net/hinic/base/hinic_pmd_niccfg.c b/drivers/net/hinic/base/hinic_pmd_niccfg.c
index 054925c..53d981b 100644
--- a/drivers/net/hinic/base/hinic_pmd_niccfg.c
+++ b/drivers/net/hinic/base/hinic_pmd_niccfg.c
@@ -18,6 +18,23 @@
 			buf_in, in_size,			\
 			buf_out, out_size, 0)
 
+
+#define TCAM_SET	0x1
+#define TCAM_CLEAR	0x2
+
+struct hinic_port_qfilter_info {
+	struct hinic_mgmt_msg_head mgmt_msg_head;
+
+	u16 func_id;
+	u8 normal_type_enable;
+	u8 filter_type_enable;
+	u8 filter_enable;
+	u8 filter_type;
+	u8 qid;
+	u8 fdir_flag;
+	u32 key;
+};
+
 /**
  * hinic_init_function_table - Initialize function table.
  *
@@ -1662,3 +1679,191 @@ int hinic_vf_get_default_cos(struct hinic_hwdev *hwdev, u8 *cos_id)
 
 	return 0;
 }
+
+/**
+ * hinic_set_fdir_filter - Set fdir filter for control path
+ * packet to notify firmware.
+ *
+ * @param hwdev
+ *   The hardware interface of a nic device.
+ * @param filter_type
+ *   Packet type to filter.
+ * @param qid
+ *   Rx qid to filter.
+ * @param type_enable
+ *   The status of pkt type filter.
+ * @param enable
+ *   Fdir function Enable or Disable.
+ * @return
+ *   0 on success,
+ *   negative error value otherwise.
+ */
+int hinic_set_fdir_filter(void *hwdev, u8 filter_type, u8 qid, u8 type_enable,
+			  bool enable)
+{
+	struct hinic_port_qfilter_info port_filer_cmd;
+	u16 out_size = sizeof(port_filer_cmd);
+	int err;
+
+	if (!hwdev)
+		return -EINVAL;
+
+	memset(&port_filer_cmd, 0, sizeof(port_filer_cmd));
+	port_filer_cmd.mgmt_msg_head.resp_aeq_num = HINIC_AEQ1;
+	port_filer_cmd.func_id = hinic_global_func_id(hwdev);
+	port_filer_cmd.filter_enable = (u8)enable;
+	port_filer_cmd.filter_type = filter_type;
+	port_filer_cmd.qid = qid;
+	port_filer_cmd.filter_type_enable = type_enable;
+	port_filer_cmd.fdir_flag = 0;
+
+	err = l2nic_msg_to_mgmt_sync(hwdev, HINIC_PORT_CMD_Q_FILTER,
+			&port_filer_cmd, sizeof(port_filer_cmd),
+			&port_filer_cmd, &out_size);
+	if (err || !out_size || port_filer_cmd.mgmt_msg_head.status) {
+		PMD_DRV_LOG(ERR, "Set port Q filter failed, err: %d, status: 0x%x, out size: 0x%x, type: 0x%x,"
+			" enable: 0x%x, qid: 0x%x, filter_type_enable: 0x%x\n",
+			err, port_filer_cmd.mgmt_msg_head.status, out_size,
+			filter_type, enable, qid, type_enable);
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+/**
+ * hinic_set_normal_filter - Set fdir filter for IO path packet.
+ *
+ * @param hwdev
+ *   The hardware interface of a nic device.
+ * @param qid
+ *   Rx qid to filter.
+ * @param normal_type_enable
+ *   IO path packet function Enable or Disable
+ * @param key
+ *   IO path packet filter key value, such as DIP from pkt.
+ * @param enable
+ *   Fdir function Enable or Disable.
+ * @param flag
+ *   Filter flag, such as dip or others.
+ * @return
+ *   0 on success,
+ *   negative error value otherwise.
+ */
+int hinic_set_normal_filter(void *hwdev, u8 qid, u8 normal_type_enable,
+				u32 key, bool enable, u8 flag)
+{
+	struct hinic_port_qfilter_info port_filer_cmd;
+	u16 out_size = sizeof(port_filer_cmd);
+	int err;
+
+	if (!hwdev)
+		return -EINVAL;
+
+	memset(&port_filer_cmd, 0, sizeof(port_filer_cmd));
+	port_filer_cmd.mgmt_msg_head.resp_aeq_num = HINIC_AEQ1;
+	port_filer_cmd.func_id = hinic_global_func_id(hwdev);
+	port_filer_cmd.filter_enable = (u8)enable;
+	port_filer_cmd.qid = qid;
+	port_filer_cmd.normal_type_enable = normal_type_enable;
+	port_filer_cmd.fdir_flag = flag; /* fdir flag: support dip */
+	port_filer_cmd.key = key;
+
+	err = l2nic_msg_to_mgmt_sync(hwdev, HINIC_PORT_CMD_Q_FILTER,
+			&port_filer_cmd, sizeof(port_filer_cmd),
+			&port_filer_cmd, &out_size);
+	if (err || !out_size || port_filer_cmd.mgmt_msg_head.status) {
+		PMD_DRV_LOG(ERR, "Set normal filter failed, err: %d, status: 0x%x, out size: 0x%x, fdir_flag: 0x%x,"
+			" enable: 0x%x, qid: 0x%x, normal_type_enable: 0x%x, key:0x%x\n",
+			err, port_filer_cmd.mgmt_msg_head.status, out_size,
+			flag, enable, qid, normal_type_enable, key);
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+/**
+ * hinic_set_fdir_tcam - Set fdir filter for control packet
+ * by tcam table to notify hardware.
+ *
+ * @param hwdev
+ *   The hardware interface of a nic device.
+ * @param type_mask
+ *   Index of TCAM.
+ * @param filter_rule
+ *   TCAM rule for control packet, such as lacp or bgp.
+ * @param filter_action
+ *   TCAM action for control packet, such as accept or drop.
+ * @return
+ *   0 on success,
+ *   negative error value otherwise.
+ */
+int hinic_set_fdir_tcam(void *hwdev, u16 type_mask,
+			struct tag_pa_rule *filter_rule,
+			struct tag_pa_action *filter_action)
+{
+	struct hinic_fdir_tcam_info port_tcam_cmd;
+	u16 out_size = sizeof(port_tcam_cmd);
+	int err;
+
+	if (!hwdev)
+		return -EINVAL;
+
+	memset(&port_tcam_cmd, 0, sizeof(port_tcam_cmd));
+	port_tcam_cmd.mgmt_msg_head.resp_aeq_num = HINIC_AEQ1;
+	port_tcam_cmd.tcam_index = type_mask;
+	port_tcam_cmd.flag = TCAM_SET;
+	memcpy((void *)&port_tcam_cmd.filter_rule,
+		(void *)filter_rule, sizeof(struct tag_pa_rule));
+	memcpy((void *)&port_tcam_cmd.filter_action,
+		(void *)filter_action, sizeof(struct tag_pa_action));
+
+	err = l2nic_msg_to_mgmt_sync(hwdev, HINIC_PORT_CMD_TCAM_FILTER,
+			&port_tcam_cmd, sizeof(port_tcam_cmd),
+			&port_tcam_cmd, &out_size);
+	if (err || !out_size || port_tcam_cmd.mgmt_msg_head.status) {
+		PMD_DRV_LOG(ERR, "Set tcam table failed, err: %d, status: 0x%x, out size: 0x%x\n",
+			err, port_tcam_cmd.mgmt_msg_head.status, out_size);
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+/**
+ * hinic_clear_fdir_tcam - Clear fdir filter TCAM table for control packet.
+ *
+ * @param hwdev
+ *   The hardware interface of a nic device.
+ * @param type_mask
+ *   Index of TCAM.
+ * @return
+ *   0 on success,
+ *   negative error value otherwise.
+ */
+int hinic_clear_fdir_tcam(void *hwdev, u16 type_mask)
+{
+	struct hinic_fdir_tcam_info port_tcam_cmd;
+	u16 out_size = sizeof(port_tcam_cmd);
+	int err;
+
+	if (!hwdev)
+		return -EINVAL;
+
+	memset(&port_tcam_cmd, 0, sizeof(port_tcam_cmd));
+	port_tcam_cmd.mgmt_msg_head.resp_aeq_num = HINIC_AEQ1;
+	port_tcam_cmd.tcam_index = type_mask;
+	port_tcam_cmd.flag = TCAM_CLEAR;
+
+	err = l2nic_msg_to_mgmt_sync(hwdev, HINIC_PORT_CMD_TCAM_FILTER,
+			&port_tcam_cmd, sizeof(port_tcam_cmd),
+			&port_tcam_cmd, &out_size);
+	if (err || !out_size || port_tcam_cmd.mgmt_msg_head.status) {
+		PMD_DRV_LOG(ERR, "Clear tcam table failed, err: %d, status: 0x%x, out size: 0x%x\n",
+			err, port_tcam_cmd.mgmt_msg_head.status, out_size);
+		return -EFAULT;
+	}
+
+	return 0;
+}
diff --git a/drivers/net/hinic/base/hinic_pmd_niccfg.h b/drivers/net/hinic/base/hinic_pmd_niccfg.h
index d19a834..e8ce332 100644
--- a/drivers/net/hinic/base/hinic_pmd_niccfg.h
+++ b/drivers/net/hinic/base/hinic_pmd_niccfg.h
@@ -609,6 +609,129 @@ struct hinic_port_anti_attack_rate {
 	u32	xbs;	/* eXtended Burst Size */
 };
 
+struct pa_u8_s {
+	u8   val8;
+	u8   mask8;
+};
+
+struct pa_u16_s {
+	u16  val16;
+	u16  mask16;
+};
+
+struct pa_u32_s {
+	u32  val32;
+	u32  mask32;
+};
+
+struct pa_u48_s {
+	u8   val8[6];
+	u8   mask8[6];
+};
+
+struct pa_u64_s {
+	u8   val8[8];
+	u8   mask8[8];
+};
+
+struct tag_pa_eth_ip_header {
+	struct pa_u8_s		ip_ver; /* 3bit */
+	struct pa_u8_s		ipv4_option_flag; /* 1bit */
+	/* 8bit ipv4 option or ipv6 next header */
+	struct pa_u8_s		protocol;
+	struct pa_u8_s		dscp;	/* 6bit DSCP */
+};
+
+struct tag_pa_common_l2_header {
+	struct pa_u48_s		dmac; /* dmac 48bit */
+	struct pa_u16_s		eth_type; /* ethernet type/length 16bit */
+	struct pa_u8_s		tag_flag; /* tag flag: 4bit */
+	struct pa_u8_s		np2np_hdr_qindex; /* NP2NP Header Qindex 4bit */
+	struct pa_u8_s		e_tag_pcp; /* 3bit */
+	struct pa_u8_s		vlan_layer; /* 2bit */
+	struct pa_u8_s		s_tag; /* 3bit */
+	struct pa_u8_s		c_tag; /* 3bit */
+	struct pa_u16_s		vlan_id; /* 12bit */
+};
+
+struct tag_pa_tcp {
+	struct pa_u16_s		sport; /* 16bit */
+	struct pa_u16_s		dport; /* 16bit */
+	struct pa_u16_s		tcp_flag; /* 6bit */
+};
+
+struct tag_pa_udp {
+	struct pa_u16_s		sport; /* 16bit */
+	struct pa_u16_s		dport; /* 16bit */
+	/* 8bit :
+	 * 1.udp dport=67/68 && ipv4 protocol=0x11
+	 * 2.udp dport=546/547 && ipv6 next header=0x11
+	 * 3. do not care
+	 */
+	struct pa_u8_s		dhcp_op_or_msg_type;
+};
+
+/* ICMP:
+ * ipv4 protocol = 0x1
+ * ipv6 next header = 0x3A
+ */
+struct tag_pa_icmp {
+	struct pa_u8_s		type; /* 8bit */
+	struct pa_u8_s		code; /* 8bit */
+};
+
+/* IGMP:
+ * ipv4 protocol = 0x2
+ */
+struct tag_pa_ipv4_igmp {
+	struct pa_u32_s		dip; /* 32bit */
+	struct pa_u8_s		type; /* 8bit */
+};
+
+struct tag_pa_rule {
+	struct pa_u8_s ncsi_flag; /* 1bit valid */
+	struct tag_pa_common_l2_header l2_header;
+
+	u8 eth_type;
+
+	struct pa_u64_s	eth_other; /* eth_type=other 64bit */
+	struct pa_u8_s	eth_roce_opcode; /* eth_type=roce 8bit opcode */
+
+	struct tag_pa_eth_ip_header ip_header; /* eth_type=ip */
+
+	u8 ip_protocol_type;
+
+	struct tag_pa_tcp eth_ip_tcp; /* eth_type=ip && ip_protocol = tcp */
+	struct tag_pa_udp eth_ip_udp; /* eth_type=ip && ip_protocol = udp */
+	struct tag_pa_icmp eth_ip_icmp; /* eth_type=ip && ip_protocol = icmp */
+
+	/* eth_type=ip && ip_protocol = ipv4_igmp */
+	struct tag_pa_ipv4_igmp eth_ipv4_igmp;
+
+	/* eth_type=ip && ip_protocol = sctp;
+	 * 16bit ipv4 protocol=0x84 or ipv6 nhr=0x84
+	 */
+	struct pa_u16_s eth_ip_sctp;
+};
+
+struct tag_pa_action {
+	u16	pkt_type;
+	u8	err_type;
+	u8	pri;
+	u8	fwd_action;
+	u8	push_len;
+};
+
+struct hinic_fdir_tcam_info {
+	struct hinic_mgmt_msg_head mgmt_msg_head;
+
+	u16	tcam_index;
+	u8	flag; /* clear or set tcam table flag */
+	u8	rsvd1;
+	struct tag_pa_rule filter_rule;
+	struct tag_pa_action filter_action;
+};
+
 int hinic_set_mac(void *hwdev, u8 *mac_addr, u16 vlan_id, u16 func_id);
 
 int hinic_del_mac(void *hwdev, u8 *mac_addr, u16 vlan_id, u16 func_id);
@@ -702,4 +825,15 @@ int hinic_set_link_status_follow(void *hwdev,
 
 int hinic_vf_get_default_cos(struct hinic_hwdev *hwdev, u8 *cos_id);
 
+int hinic_set_fdir_filter(void *hwdev, u8 filter_type, u8 qid,
+		u8 type_enable, bool enable);
+
+int hinic_set_normal_filter(void *hwdev, u8 qid, u8 normal_type_enable,
+		u32 key, bool enable, u8 flag);
+
+int hinic_set_fdir_tcam(void *hwdev, u16 type_mask,
+	struct tag_pa_rule *filter_rule, struct tag_pa_action *filter_action);
+
+int hinic_clear_fdir_tcam(void *hwdev, u16 type_mask);
+
 #endif /* _HINIC_PMD_NICCFG_H_ */
-- 
1.8.3.1