Add support for creating/destroying ntuple filter.
The filter rule includes BGP and VRRP packet type.
Signed-off-by: Xiaoyun wang <cloud.wangxiao...@huawei.com>
---
drivers/net/hinic/hinic_pmd_ethdev.h | 75 ++++
drivers/net/hinic/hinic_pmd_flow.c | 684 +++++++++++++++++++++++++++++++++++
2 files changed, 759 insertions(+)
diff --git a/drivers/net/hinic/hinic_pmd_ethdev.h
b/drivers/net/hinic/hinic_pmd_ethdev.h
index 58a38d9..93cd6a7 100644
--- a/drivers/net/hinic/hinic_pmd_ethdev.h
+++ b/drivers/net/hinic/hinic_pmd_ethdev.h
@@ -38,6 +38,57 @@ enum hinic_dev_status {
HINIC_DEV_INTR_EN,
};
+#define HINIC_MAX_Q_FILTERS 64 /* hinic just support 64 filter types */
+#define HINIC_PKT_TYPE_FIND_ID(pkt_type) ((pkt_type) - HINIC_MAX_Q_FILTERS)
+
+/* 5tuple filter info */
+struct hinic_5tuple_filter_info {
+ uint32_t dst_ip;
+ uint32_t src_ip;
+ uint16_t dst_port;
+ uint16_t src_port;
+ uint8_t proto; /* l4 protocol. */
+ /*
+ * seven levels (001b-111b), 111b is highest,
+ * used when more than one filter matches.
+ */
+ uint8_t priority;
+ uint8_t dst_ip_mask:1, /* if mask is 1b, do not compare dst ip. */
+ src_ip_mask:1, /* if mask is 1b, do not compare src ip. */
+ dst_port_mask:1, /* if mask is 1b, do not compare dst port. */
+ src_port_mask:1, /* if mask is 1b, do not compare src port. */
+ proto_mask:1; /* if mask is 1b, do not compare protocol. */
+};
+
+/* 5tuple filter structure */
+struct hinic_5tuple_filter {
+ TAILQ_ENTRY(hinic_5tuple_filter) entries;
+ uint16_t index; /* the index of 5tuple filter */
+ struct hinic_5tuple_filter_info filter_info;
+ uint16_t queue; /* rx queue assigned to */
+};
+
+TAILQ_HEAD(hinic_5tuple_filter_list, hinic_5tuple_filter);
+
+/*
+ * If this filter is added by configuration,
+ * it should not be removed.
+ */
+struct hinic_pkt_filter {
+ uint16_t pkt_proto;
+ uint8_t qid;
+ bool enable;
+};
+
+/* Structure to store filters' info. */
+struct hinic_filter_info {
+ uint8_t pkt_type;
+ uint8_t qid;
+ uint64_t type_mask; /* Bit mask for every used filter */
+ struct hinic_5tuple_filter_list fivetuple_list;
+ struct hinic_pkt_filter pkt_filters[HINIC_MAX_Q_FILTERS];
+};
+
/* Information about the fdir mode. */
struct hinic_hw_fdir_mask {
uint32_t src_ipv4_mask;
@@ -60,6 +111,26 @@ struct hinic_fdir_rule {
uint8_t queue; /* queue assigned when matched */
};
+/* ntuple filter list structure */
+struct hinic_ntuple_filter_ele {
+ TAILQ_ENTRY(hinic_ntuple_filter_ele) entries;
+ struct rte_eth_ntuple_filter filter_info;
+};
+
+struct rte_flow {
+ enum rte_filter_type filter_type;
+ void *rule;
+};
+
+/* hinic_flow memory list structure */
+struct hinic_flow_mem {
+ TAILQ_ENTRY(hinic_flow_mem) entries;
+ struct rte_flow *flow;
+};
+
+TAILQ_HEAD(hinic_ntuple_filter_list, hinic_ntuple_filter_ele);
+TAILQ_HEAD(hinic_flow_mem_list, hinic_flow_mem);
+
extern const struct rte_flow_ops hinic_flow_ops;
/* hinic nic_device */
@@ -94,6 +165,10 @@ struct hinic_nic_dev {
* vf: the same with associate pf
*/
u32 default_cos;
+
+ struct hinic_filter_info filter;
+ struct hinic_ntuple_filter_list filter_ntuple_list;
+ struct hinic_flow_mem_list hinic_flow_list;
};
#endif /* _HINIC_PMD_ETHDEV_H_ */
diff --git a/drivers/net/hinic/hinic_pmd_flow.c
b/drivers/net/hinic/hinic_pmd_flow.c
index cf9f105..73a336a 100644
--- a/drivers/net/hinic/hinic_pmd_flow.c
+++ b/drivers/net/hinic/hinic_pmd_flow.c
@@ -23,6 +23,8 @@
#include "base/hinic_pmd_niccfg.h"
#include "hinic_pmd_ethdev.h"
+#define HINIC_MAX_RX_QUEUE_NUM 64
+
#ifndef UINT8_MAX
#define UINT8_MAX (u8)(~((u8)0)) /* 0xFF */
#define UINT16_MAX (u16)(~((u16)0)) /* 0xFFFF */
@@ -31,9 +33,56 @@
#define ASCII_MAX (0x7F)
#endif
+/* IPSURX MACRO */
+#define PA_ETH_TYPE_ROCE 0
+#define PA_ETH_TYPE_IPV4 1
+#define PA_ETH_TYPE_IPV6 2
+#define PA_ETH_TYPE_OTHER 3
+
+#define PA_IP_PROTOCOL_TYPE_TCP 1
+#define PA_IP_PROTOCOL_TYPE_UDP 2
+#define PA_IP_PROTOCOL_TYPE_ICMP 3
+#define PA_IP_PROTOCOL_TYPE_IPV4_IGMP 4
+#define PA_IP_PROTOCOL_TYPE_SCTP 5
+#define PA_IP_PROTOCOL_TYPE_VRRP 112
+
+#define IP_HEADER_PROTOCOL_TYPE_TCP 6
+
#define HINIC_MIN_N_TUPLE_PRIO 1
#define HINIC_MAX_N_TUPLE_PRIO 7
+/* TCAM type mask in hardware */
+#define TCAM_PKT_BGP_SPORT 1
+#define TCAM_PKT_VRRP 2
+#define TCAM_PKT_BGP_DPORT 3
+#define TCAM_PKT_LACP 4
+
+#define BGP_DPORT_ID 179
+#define IPPROTO_VRRP 112
+
+/* Packet type defined in hardware to perform filter */
+#define PKT_IGMP_IPV4_TYPE 64
+#define PKT_ICMP_IPV4_TYPE 65
+#define PKT_ICMP_IPV6_TYPE 66
+#define PKT_ICMP_IPV6RS_TYPE 67
+#define PKT_ICMP_IPV6RA_TYPE 68
+#define PKT_ICMP_IPV6NS_TYPE 69
+#define PKT_ICMP_IPV6NA_TYPE 70
+#define PKT_ICMP_IPV6RE_TYPE 71
+#define PKT_DHCP_IPV4_TYPE 72
+#define PKT_DHCP_IPV6_TYPE 73
+#define PKT_LACP_TYPE 74
+#define PKT_ARP_REQ_TYPE 79
+#define PKT_ARP_REP_TYPE 80
+#define PKT_ARP_TYPE 81
+#define PKT_BGPD_DPORT_TYPE 83
+#define PKT_BGPD_SPORT_TYPE 84
+#define PKT_VRRP_TYPE 85
+
+#define HINIC_DEV_PRIVATE_TO_FILTER_INFO(nic_dev) \
+ (&((struct hinic_nic_dev *)nic_dev)->filter)
+
+
/**
* Endless loop will never happen with below assumption
* 1. there is at least one no-void item(END)
@@ -1167,6 +1216,641 @@ static int hinic_flow_validate(struct rte_eth_dev *dev,
return ret;
}
+static inline int
+ntuple_ip_filter(struct rte_eth_ntuple_filter *filter,
+ struct hinic_5tuple_filter_info *filter_info)
+{
+ switch (filter->dst_ip_mask) {
+ case UINT32_MAX:
+ filter_info->dst_ip_mask = 0;
+ filter_info->dst_ip = filter->dst_ip;
+ break;
+ case 0:
+ filter_info->dst_ip_mask = 1;
+ filter_info->dst_ip = 0;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Invalid dst_ip mask.");
+ return -EINVAL;
+ }
+
+ switch (filter->src_ip_mask) {
+ case UINT32_MAX:
+ filter_info->src_ip_mask = 0;
+ filter_info->src_ip = filter->src_ip;
+ break;
+ case 0:
+ filter_info->src_ip_mask = 1;
+ filter_info->src_ip = 0;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Invalid src_ip mask.");
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static inline int
+ntuple_port_filter(struct rte_eth_ntuple_filter *filter,
+ struct hinic_5tuple_filter_info *filter_info)
+{
+ switch (filter->dst_port_mask) {
+ case UINT16_MAX:
+ filter_info->dst_port_mask = 0;
+ filter_info->dst_port = filter->dst_port;
+ break;
+ case 0:
+ filter_info->dst_port_mask = 1;
+ filter_info->dst_port = 0;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Invalid dst_port mask.");
+ return -EINVAL;
+ }
+
+ switch (filter->src_port_mask) {
+ case UINT16_MAX:
+ filter_info->src_port_mask = 0;
+ filter_info->src_port = filter->src_port;
+ break;
+ case 0:
+ filter_info->src_port_mask = 1;
+ filter_info->src_port = 0;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Invalid src_port mask.");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static inline int
+ntuple_proto_filter(struct rte_eth_ntuple_filter *filter,
+ struct hinic_5tuple_filter_info *filter_info)
+{
+ switch (filter->proto_mask) {
+ case UINT8_MAX:
+ filter_info->proto_mask = 0;
+ filter_info->proto = filter->proto;
+ break;
+ case 0:
+ filter_info->proto_mask = 1;
+ filter_info->proto = 0;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Invalid protocol mask.");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static inline int
+ntuple_filter_to_5tuple(struct rte_eth_ntuple_filter *filter,
+ struct hinic_5tuple_filter_info *filter_info)
+{
+ if (filter->queue >= HINIC_MAX_RX_QUEUE_NUM ||
+ filter->priority > HINIC_MAX_N_TUPLE_PRIO ||
+ filter->priority < HINIC_MIN_N_TUPLE_PRIO)
+ return -EINVAL;
+
+ if (ntuple_ip_filter(filter, filter_info) ||
+ ntuple_port_filter(filter, filter_info) ||
+ ntuple_proto_filter(filter, filter_info))
+ return -EINVAL;
+
+ filter_info->priority = (uint8_t)filter->priority;
+ return 0;
+}
+
+static inline struct hinic_5tuple_filter *
+hinic_5tuple_filter_lookup(struct hinic_5tuple_filter_list *filter_list,
+ struct hinic_5tuple_filter_info *key)
+{
+ struct hinic_5tuple_filter *it;
+
+ TAILQ_FOREACH(it, filter_list, entries) {
+ if (memcmp(key, &it->filter_info,
+ sizeof(struct hinic_5tuple_filter_info)) == 0) {
+ return it;
+ }
+ }
+
+ return NULL;
+}
+
+static int hinic_set_bgp_dport_tcam(struct hinic_nic_dev *nic_dev)
+{
+ struct tag_pa_rule bgp_rule;
+ struct tag_pa_action bgp_action;
+
+ memset(&bgp_rule, 0, sizeof(bgp_rule));
+ memset(&bgp_action, 0, sizeof(bgp_action));
+ /* BGP TCAM rule */
+ bgp_rule.eth_type = PA_ETH_TYPE_IPV4; /* Eth type is IPV4 */
+ bgp_rule.ip_header.protocol.val8 = IP_HEADER_PROTOCOL_TYPE_TCP;
+ bgp_rule.ip_header.protocol.mask8 = UINT8_MAX;
+ bgp_rule.ip_protocol_type = PA_IP_PROTOCOL_TYPE_TCP;
+ bgp_rule.eth_ip_tcp.dport.val16 = BGP_DPORT_ID; /* Dport is 179 */
+ bgp_rule.eth_ip_tcp.dport.mask16 = UINT16_MAX;
+
+ /* BGP TCAM action */
+ bgp_action.err_type = 0x3f; /* err from ipsu, not convert */
+ bgp_action.fwd_action = 0x7; /* 0x3:drop; 0x7: not convert */
+ bgp_action.pkt_type = PKT_BGPD_DPORT_TYPE; /* bgp_dport: 83 */
+ bgp_action.pri = 0xf; /* pri of BGP is 0xf, result from ipsu parse
+ * results, not need to convert
+ */
+ bgp_action.push_len = 0xf; /* push_len:0xf, not convert */
+
+ return hinic_set_fdir_tcam(nic_dev->hwdev,
+ TCAM_PKT_BGP_DPORT, &bgp_rule, &bgp_action);
+}
+
+static int hinic_set_bgp_sport_tcam(struct hinic_nic_dev *nic_dev)
+{
+ struct tag_pa_rule bgp_rule;
+ struct tag_pa_action bgp_action;
+
+ memset(&bgp_rule, 0, sizeof(bgp_rule));
+ memset(&bgp_action, 0, sizeof(bgp_action));
+ /* BGP TCAM rule */
+ bgp_rule.eth_type = PA_ETH_TYPE_IPV4;
+ bgp_rule.ip_header.protocol.val8 = IP_HEADER_PROTOCOL_TYPE_TCP;
+ bgp_rule.ip_header.protocol.mask8 = UINT8_MAX;
+ bgp_rule.ip_protocol_type = PA_IP_PROTOCOL_TYPE_TCP;
+ bgp_rule.eth_ip_tcp.sport.val16 = BGP_DPORT_ID;
+ bgp_rule.eth_ip_tcp.sport.mask16 = UINT16_MAX;
+
+ /* BGP TCAM action */
+ bgp_action.err_type = 0x3f; /* err from ipsu, not convert */
+ bgp_action.fwd_action = 0x7; /* 0x3:drop; 0x7: not convert */
+ bgp_action.pkt_type = PKT_BGPD_SPORT_TYPE; /* bgp:sport: 84 */
+ bgp_action.pri = 0xf; /* pri of BGP is 0xf, result from ipsu parse
+ * results, not need to convert
+ */
+ bgp_action.push_len = 0xf; /* push_len:0xf, not convert */
+
+ return hinic_set_fdir_tcam(nic_dev->hwdev, TCAM_PKT_BGP_SPORT,
+ &bgp_rule, &bgp_action);
+}
+
+static int hinic_set_vrrp_tcam(struct hinic_nic_dev *nic_dev)
+{
+ struct tag_pa_rule vrrp_rule;
+ struct tag_pa_action vrrp_action;
+
+ memset(&vrrp_rule, 0, sizeof(vrrp_rule));
+ memset(&vrrp_action, 0, sizeof(vrrp_action));
+ /* VRRP TCAM rule */
+ vrrp_rule.eth_type = PA_ETH_TYPE_IPV4;
+ vrrp_rule.ip_protocol_type = PA_IP_PROTOCOL_TYPE_TCP;
+ vrrp_rule.ip_header.protocol.mask8 = 0xff;
+ vrrp_rule.ip_header.protocol.val8 = PA_IP_PROTOCOL_TYPE_VRRP;
+
+ /* VRRP TCAM action */
+ vrrp_action.err_type = 0x3f;
+ vrrp_action.fwd_action = 0x7;
+ vrrp_action.pkt_type = PKT_VRRP_TYPE; /* VRRP: 85 */
+ vrrp_action.pri = 0xf;
+ vrrp_action.push_len = 0xf;
+
+ return hinic_set_fdir_tcam(nic_dev->hwdev, TCAM_PKT_VRRP,
+ &vrrp_rule, &vrrp_action);
+}
+
+static int
+hinic_filter_info_init(struct hinic_5tuple_filter *filter,
+ struct hinic_filter_info *filter_info)
+{
+ switch (filter->filter_info.proto) {
+ case IPPROTO_TCP:
+ /* Filter type is bgp type if dst_port or src_port is 179 */
+ if (filter->filter_info.dst_port == RTE_BE16(BGP_DPORT_ID) &&
+ !(filter->filter_info.dst_port_mask)) {
+ filter_info->pkt_type = PKT_BGPD_DPORT_TYPE;
+ } else if (filter->filter_info.src_port ==
+ RTE_BE16(BGP_DPORT_ID) &&
+ !(filter->filter_info.src_port_mask)) {
+ filter_info->pkt_type = PKT_BGPD_SPORT_TYPE;
+ } else {
+ PMD_DRV_LOG(INFO, "TCP PROTOCOL:5tuple filters"
+ " just support BGP now, proto:0x%x, "
+ "dst_port:0x%x, dst_port_mask:0x%x."
+ "src_port:0x%x, src_port_mask:0x%x.",
+ filter->filter_info.proto,
+ filter->filter_info.dst_port,
+ filter->filter_info.dst_port_mask,
+ filter->filter_info.src_port,
+ filter->filter_info.src_port_mask);
+ return -EINVAL;
+ }
+ break;
+
+ case IPPROTO_VRRP:
+ filter_info->pkt_type = PKT_VRRP_TYPE;
+ break;
+
+ case IPPROTO_ICMP:
+ filter_info->pkt_type = PKT_ICMP_IPV4_TYPE;
+ break;
+
+ case IPPROTO_ICMPV6:
+ filter_info->pkt_type = PKT_ICMP_IPV6_TYPE;
+ break;
+
+ default:
+ PMD_DRV_LOG(ERR, "5tuple filters just support BGP/VRRP/ICMP
now, "
+ "proto: 0x%x, dst_port: 0x%x, dst_port_mask: 0x%x."
+ "src_port: 0x%x, src_port_mask: 0x%x.",
+ filter->filter_info.proto, filter->filter_info.dst_port,
+ filter->filter_info.dst_port_mask,
+ filter->filter_info.src_port,
+ filter->filter_info.src_port_mask);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+hinic_lookup_new_filter(struct hinic_5tuple_filter *filter,
+ struct hinic_filter_info *filter_info,
+ int *index)
+{
+ int type_id;
+
+ type_id = HINIC_PKT_TYPE_FIND_ID(filter_info->pkt_type);
+
+ if (type_id > HINIC_MAX_Q_FILTERS - 1) {
+ PMD_DRV_LOG(ERR, "Pkt filters only support 64 filter type.");
+ return -EINVAL;
+ }
+
+ if (!(filter_info->type_mask & (1 << type_id))) {
+ filter_info->type_mask |= 1 << type_id;
+ filter->index = type_id;
+ filter_info->pkt_filters[type_id].enable = true;
+ filter_info->pkt_filters[type_id].pkt_proto =
+ filter->filter_info.proto;
+ TAILQ_INSERT_TAIL(&filter_info->fivetuple_list,
+ filter, entries);
+ } else {
+ PMD_DRV_LOG(ERR, "Filter type: %d exists.", type_id);
+ return -EIO;
+ }
+
+ *index = type_id;
+ return 0;
+}
+
+/*
+ * Add a 5tuple filter
+ *
+ * @param dev:
+ * Pointer to struct rte_eth_dev.
+ * @param filter:
+ * Pointer to the filter that will be added.
+ * @return
+ * - On success, zero.
+ * - On failure, a negative value.
+ */
+static int
+hinic_add_5tuple_filter(struct rte_eth_dev *dev,
+ struct hinic_5tuple_filter *filter)
+{
+ struct hinic_filter_info *filter_info =
+ HINIC_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+ int i, ret_fw;
+ struct hinic_nic_dev *nic_dev = HINIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
+
+ if (hinic_filter_info_init(filter, filter_info) ||
+ hinic_lookup_new_filter(filter, filter_info, &i))
+ return -EFAULT;
+
+ ret_fw = hinic_set_fdir_filter(nic_dev->hwdev, filter_info->pkt_type,
+ filter_info->qid,
+ filter_info->pkt_filters[i].enable,
+ true);
+ if (ret_fw) {
+ PMD_DRV_LOG(ERR, "Set fdir filter failed, type: 0x%x, qid:
0x%x, enable: 0x%x",
+ filter_info->pkt_type, filter->queue,
+ filter_info->pkt_filters[i].enable);
+ return -EFAULT;
+ }
+
+ PMD_DRV_LOG(INFO, "Add 5tuple succeed, type: 0x%x, qid: 0x%x, enable:
0x%x",
+ filter_info->pkt_type, filter_info->qid,
+ filter_info->pkt_filters[filter->index].enable);
+
+ switch (filter->filter_info.proto) {
+ case IPPROTO_TCP:
+ if (filter->filter_info.dst_port == RTE_BE16(BGP_DPORT_ID)) {
+ ret_fw = hinic_set_bgp_dport_tcam(nic_dev);
+ if (ret_fw) {
+ PMD_DRV_LOG(ERR, "Set dport bgp failed, "
+ "type: 0x%x, qid: 0x%x, enable: 0x%x",
+ filter_info->pkt_type, filter->queue,
+ filter_info->pkt_filters[i].enable);
+ return -EFAULT;
+ }
+
+ PMD_DRV_LOG(INFO, "Set dport bgp succeed, qid: 0x%x,
enable: 0x%x",
+ filter->queue,
+ filter_info->pkt_filters[i].enable);
+ } else if (filter->filter_info.src_port ==
+ RTE_BE16(BGP_DPORT_ID)) {
+ ret_fw = hinic_set_bgp_sport_tcam(nic_dev);
+ if (ret_fw) {
+ PMD_DRV_LOG(ERR, "Set sport bgp failed, "
+ "type: 0x%x, qid: 0x%x, enable: 0x%x",
+ filter_info->pkt_type, filter->queue,
+ filter_info->pkt_filters[i].enable);
+ return -EFAULT;
+ }
+
+ PMD_DRV_LOG(INFO, "Set sport bgp succeed, qid: 0x%x,
enable: 0x%x",
+ filter->queue,
+ filter_info->pkt_filters[i].enable);
+ }
+
+ break;
+
+ case IPPROTO_VRRP:
+ ret_fw = hinic_set_vrrp_tcam(nic_dev);
+ if (ret_fw) {
+ PMD_DRV_LOG(ERR, "Set VRRP failed, "
+ "type: 0x%x, qid: 0x%x, enable: 0x%x",
+ filter_info->pkt_type, filter->queue,
+ filter_info->pkt_filters[i].enable);
+ return -EFAULT;
+ }
+ PMD_DRV_LOG(INFO, "Set VRRP succeed, qid: 0x%x, enable: 0x%x",
+ filter->queue,
+ filter_info->pkt_filters[i].enable);
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+/*
+ * Remove a 5tuple filter
+ *
+ * @param dev
+ * Pointer to struct rte_eth_dev.
+ * @param filter
+ * The pointer of the filter will be removed.
+ */
+static void
+hinic_remove_5tuple_filter(struct rte_eth_dev *dev,
+ struct hinic_5tuple_filter *filter)
+{
+ struct hinic_filter_info *filter_info =
+ HINIC_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+ struct hinic_nic_dev *nic_dev = HINIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
+
+ switch (filter->filter_info.proto) {
+ case IPPROTO_VRRP:
+ (void)hinic_clear_fdir_tcam(nic_dev->hwdev, TCAM_PKT_VRRP);
+ break;
+
+ case IPPROTO_TCP:
+ if (filter->filter_info.dst_port == RTE_BE16(BGP_DPORT_ID))
+ (void)hinic_clear_fdir_tcam(nic_dev->hwdev,
+ TCAM_PKT_BGP_DPORT);
+ else if (filter->filter_info.src_port == RTE_BE16(BGP_DPORT_ID))
+ (void)hinic_clear_fdir_tcam(nic_dev->hwdev,
+ TCAM_PKT_BGP_SPORT);
+ break;
+
+ default:
+ break;
+ }
+
+ hinic_filter_info_init(filter, filter_info);
+
+ filter_info->pkt_filters[filter->index].enable = false;
+ filter_info->pkt_filters[filter->index].pkt_proto = 0;
+
+ PMD_DRV_LOG(INFO, "Del 5tuple succeed, type: 0x%x, qid: 0x%x, enable:
0x%x",
+ filter_info->pkt_type,
+ filter_info->pkt_filters[filter->index].qid,
+ filter_info->pkt_filters[filter->index].enable);
+ (void)hinic_set_fdir_filter(nic_dev->hwdev, filter_info->pkt_type,
+ filter_info->pkt_filters[filter->index].qid,
+ filter_info->pkt_filters[filter->index].enable,
+ true);
+
+ filter_info->pkt_type = 0;
+ filter_info->qid = 0;
+ filter_info->pkt_filters[filter->index].qid = 0;
+ filter_info->type_mask &= ~(1 << (filter->index));
+ TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
+
+ rte_free(filter);
+}
+
+/*
+ * Add or delete a ntuple filter
+ *
+ * @param dev
+ * Pointer to struct rte_eth_dev.
+ * @param ntuple_filter
+ * Pointer to struct rte_eth_ntuple_filter
+ * @param add
+ * If true, add filter; if false, remove filter
+ * @return
+ * - On success, zero.
+ * - On failure, a negative value.
+ */
+static int hinic_add_del_ntuple_filter(struct rte_eth_dev *dev,
+ struct rte_eth_ntuple_filter *ntuple_filter,
+ bool add)
+{
+ struct hinic_filter_info *filter_info =
+ HINIC_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+ struct hinic_5tuple_filter_info filter_5tuple;
+ struct hinic_5tuple_filter *filter;
+ int ret;
+
+ if (ntuple_filter->flags != RTE_5TUPLE_FLAGS) {
+ PMD_DRV_LOG(ERR, "Only 5tuple is supported.");
+ return -EINVAL;
+ }
+
+ memset(&filter_5tuple, 0, sizeof(struct hinic_5tuple_filter_info));
+ ret = ntuple_filter_to_5tuple(ntuple_filter, &filter_5tuple);
+ if (ret < 0)
+ return ret;
+
+ filter = hinic_5tuple_filter_lookup(&filter_info->fivetuple_list,
+ &filter_5tuple);
+ if (filter != NULL && add) {
+ PMD_DRV_LOG(ERR, "Filter exists.");
+ return -EEXIST;
+ }
+ if (filter == NULL && !add) {
+ PMD_DRV_LOG(ERR, "Filter doesn't exist.");
+ return -ENOENT;
+ }
+
+ if (add) {
+ filter = rte_zmalloc("hinic_5tuple_filter",
+ sizeof(struct hinic_5tuple_filter), 0);
+ if (filter == NULL)
+ return -ENOMEM;
+ rte_memcpy(&filter->filter_info, &filter_5tuple,
+ sizeof(struct hinic_5tuple_filter_info));
+ filter->queue = ntuple_filter->queue;
+
+ filter_info->qid = ntuple_filter->queue;
+
+ ret = hinic_add_5tuple_filter(dev, filter);
+ if (ret)
+ rte_free(filter);
+
+ return ret;
+ }
+
+ hinic_remove_5tuple_filter(dev, filter);
+
+ return 0;
+}
+
+/**
+ * Create or destroy a flow rule.
+ * Theorically one rule can match more than one filters.
+ * We will let it use the filter which it hitt first.
+ * So, the sequence matters.
+ */
+static struct rte_flow *hinic_flow_create(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_flow_error *error)
+{
+ int ret;
+ struct rte_eth_ntuple_filter ntuple_filter;
+ struct rte_flow *flow = NULL;
+ struct hinic_ntuple_filter_ele *ntuple_filter_ptr;
+ struct hinic_flow_mem *hinic_flow_mem_ptr;
+ struct hinic_nic_dev *nic_dev = HINIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
+
+ flow = rte_zmalloc("hinic_rte_flow", sizeof(struct rte_flow), 0);
+ if (!flow) {
+ PMD_DRV_LOG(ERR, "Failed to allocate flow memory");
+ return NULL;
+ }
+
+ hinic_flow_mem_ptr = rte_zmalloc("hinic_flow_mem",
+ sizeof(struct hinic_flow_mem), 0);
+ if (!hinic_flow_mem_ptr) {
+ PMD_DRV_LOG(ERR, "Failed to allocate hinic_flow_mem_ptr");
+ rte_free(flow);
+ return NULL;
+ }
+
+ hinic_flow_mem_ptr->flow = flow;
+ TAILQ_INSERT_TAIL(&nic_dev->hinic_flow_list, hinic_flow_mem_ptr,
+ entries);
+
+ /* add ntuple filter */
+ memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ ret = hinic_parse_ntuple_filter(dev, attr, pattern,
+ actions, &ntuple_filter, error);
+ if (ret)
+ goto out;
+
+ ret = hinic_add_del_ntuple_filter(dev, &ntuple_filter, TRUE);
+ if (ret)
+ goto out;
+ ntuple_filter_ptr = rte_zmalloc("hinic_ntuple_filter",
+ sizeof(struct hinic_ntuple_filter_ele), 0);
+ rte_memcpy(&ntuple_filter_ptr->filter_info,
+ &ntuple_filter,
+ sizeof(struct rte_eth_ntuple_filter));
+ TAILQ_INSERT_TAIL(&nic_dev->filter_ntuple_list,
+ ntuple_filter_ptr, entries);
+ flow->rule = ntuple_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_NTUPLE;
+
+ PMD_DRV_LOG(INFO, "Create flow ntuple succeed, func_id: 0x%x",
+ hinic_global_func_id(nic_dev->hwdev));
+ return flow;
+
+out:
+ TAILQ_REMOVE(&nic_dev->hinic_flow_list, hinic_flow_mem_ptr, entries);
+ rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Failed to create flow.");
+ rte_free(hinic_flow_mem_ptr);
+ rte_free(flow);
+ return NULL;
+}
+
+/* Destroy a flow rule on hinic. */
+static int hinic_flow_destroy(struct rte_eth_dev *dev,
+ struct rte_flow *flow,
+ struct rte_flow_error *error)
+{
+ int ret;
+ struct rte_flow *pmd_flow = flow;
+ enum rte_filter_type filter_type = pmd_flow->filter_type;
+ struct rte_eth_ntuple_filter ntuple_filter;
+ struct hinic_ntuple_filter_ele *ntuple_filter_ptr;
+ struct hinic_flow_mem *hinic_flow_mem_ptr;
+ struct hinic_nic_dev *nic_dev = HINIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
+
+ switch (filter_type) {
+ case RTE_ETH_FILTER_NTUPLE:
+ ntuple_filter_ptr = (struct hinic_ntuple_filter_ele *)
+ pmd_flow->rule;
+ rte_memcpy(&ntuple_filter, &ntuple_filter_ptr->filter_info,
+ sizeof(struct rte_eth_ntuple_filter));
+ ret = hinic_add_del_ntuple_filter(dev, &ntuple_filter, FALSE);
+ if (!ret) {
+ TAILQ_REMOVE(&nic_dev->filter_ntuple_list,
+ ntuple_filter_ptr, entries);
+ rte_free(ntuple_filter_ptr);
+ }
+ break;
+ default:
+ PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
+ filter_type);
+ ret = -EINVAL;
+ break;
+ }
+
+ if (ret) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE,
+ NULL, "Failed to destroy flow");
+ return ret;
+ }
+
+ TAILQ_FOREACH(hinic_flow_mem_ptr, &nic_dev->hinic_flow_list, entries) {
+ if (hinic_flow_mem_ptr->flow == pmd_flow) {
+ TAILQ_REMOVE(&nic_dev->hinic_flow_list,
+ hinic_flow_mem_ptr, entries);
+ rte_free(hinic_flow_mem_ptr);
+ break;
+ }
+ }
+ rte_free(flow);
+
+ PMD_DRV_LOG(INFO, "Destroy flow succeed, func_id: 0x%x",
+ hinic_global_func_id(nic_dev->hwdev));
+
+ return ret;
+}
+
const struct rte_flow_ops hinic_flow_ops = {
.validate = hinic_flow_validate,
+ .create = hinic_flow_create,
+ .destroy = hinic_flow_destroy,
};
--
1.8.3.1
