From: wei zhao1 <wei.zh...@intel.com>
This patch adds a function to create the flow directory filter.
Signed-off-by: wei zhao1 <wei.zh...@intel.com>
Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com>
---
drivers/net/ixgbe/ixgbe_ethdev.c | 222 ++++++++++++++++++++++++++++++++++++++-
drivers/net/ixgbe/ixgbe_ethdev.h | 6 ++
2 files changed, 227 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 75fadb0..b93c81d 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -450,6 +450,11 @@ int ixgbe_flow_validate(struct rte_eth_dev *dev,
const struct rte_flow_item pattern[],
const struct rte_flow_action actions[],
struct rte_flow_error *error);
+struct ixgbe_flow *ixgbe_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);
/*
* Define VF Stats MACRO for Non "cleared on read" register
@@ -837,11 +842,48 @@ static const struct rte_ixgbe_xstats_name_off
rte_ixgbevf_stats_strings[] = {
static const struct rte_flow_ops ixgbe_flow_ops = {
ixgbe_flow_validate,
+ (void *)ixgbe_flow_create,
NULL,
NULL,
NULL,
- NULL,
};
+/* ntuple filter list structure */
+struct ixgbe_ntuple_filter_ele {
+ TAILQ_ENTRY(ixgbe_ntuple_filter_ele) entries;
+ struct rte_eth_ntuple_filter filter_info;
+};
+/* ethertype filter list structure */
+struct ixgbe_ethertype_filter_ele {
+ TAILQ_ENTRY(ixgbe_ethertype_filter_ele) entries;
+ struct rte_eth_ethertype_filter filter_info;
+};
+/* syn filter list structure */
+struct ixgbe_eth_syn_filter_ele {
+ TAILQ_ENTRY(ixgbe_eth_syn_filter_ele) entries;
+ struct rte_eth_syn_filter filter_info;
+};
+/* fdir filter list structure */
+struct ixgbe_fdir_rule_ele {
+ TAILQ_ENTRY(ixgbe_fdir_rule_ele) entries;
+ struct ixgbe_fdir_rule filter_info;
+};
+/* l2_tunnel filter list structure */
+struct ixgbe_eth_l2_tunnel_conf_ele {
+ TAILQ_ENTRY(ixgbe_eth_l2_tunnel_conf_ele) entries;
+ struct rte_eth_l2_tunnel_conf filter_info;
+};
+
+
+TAILQ_HEAD(ixgbe_ntuple_filter_list, ixgbe_ntuple_filter_ele);
+struct ixgbe_ntuple_filter_list filter_ntuple_list;
+TAILQ_HEAD(ixgbe_ethertype_filter_list, ixgbe_ethertype_filter_ele);
+struct ixgbe_ethertype_filter_list filter_ethertype_list;
+TAILQ_HEAD(ixgbe_syn_filter_list, ixgbe_eth_syn_filter_ele);
+struct ixgbe_syn_filter_list filter_syn_list;
+TAILQ_HEAD(ixgbe_fdir_rule_filter_list, ixgbe_fdir_rule_ele);
+struct ixgbe_fdir_rule_filter_list filter_fdir_list;
+TAILQ_HEAD(ixgbe_l2_tunnel_filter_list, ixgbe_eth_l2_tunnel_conf_ele);
+struct ixgbe_l2_tunnel_filter_list filter_l2_tunnel_list;
/**
* Atomically reads the link status information from global
@@ -1428,6 +1470,11 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
l2_tn_info->e_tag_en = FALSE;
l2_tn_info->e_tag_fwd_en = FALSE;
l2_tn_info->e_tag_ether_type = DEFAULT_ETAG_ETYPE;
+ TAILQ_INIT(&filter_ntuple_list);
+ TAILQ_INIT(&filter_ethertype_list);
+ TAILQ_INIT(&filter_syn_list);
+ TAILQ_INIT(&filter_fdir_list);
+ TAILQ_INIT(&filter_l2_tunnel_list);
return 0;
}
@@ -9601,6 +9648,179 @@ ixgbe_flow_rule_validate(__rte_unused struct
rte_eth_dev *dev,
return ret;
}
+/**
+ * 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.
+ */
+struct ixgbe_flow *
+ixgbe_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_eth_ethertype_filter ethertype_filter;
+ struct rte_eth_syn_filter syn_filter;
+ struct ixgbe_fdir_rule fdir_rule;
+ struct rte_eth_l2_tunnel_conf l2_tn_filter;
+ struct ixgbe_hw_fdir_info *fdir_info =
+ IXGBE_DEV_PRIVATE_TO_FDIR_INFO(dev->data->dev_private);
+ struct ixgbe_flow *flow = NULL;
+ struct ixgbe_ntuple_filter_ele *ntuple_filter_ptr;
+ struct ixgbe_ethertype_filter_ele *ethertype_filter_ptr;
+ struct ixgbe_eth_syn_filter_ele *syn_filter_ptr;
+ struct ixgbe_eth_l2_tunnel_conf_ele *l2_tn_filter_ptr;
+ struct ixgbe_fdir_rule_ele *fdir_rule_ptr;
+
+ flow = rte_zmalloc("ixgbe_flow", sizeof(struct ixgbe_flow), 0);
+ if (!flow) {
+ PMD_DRV_LOG(ERR, "failed to allocate memory");
+ return flow;
+ }
+
+ memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter));
+ ret = ixgbe_parse_ntuple_filter(attr, pattern,
+ actions, &ntuple_filter);
+ error->type = ret;
+ if (!ret) {
+
+ ret = ixgbe_add_del_ntuple_filter(dev, &ntuple_filter, TRUE);
+ if (!ret) {
+ ntuple_filter_ptr = rte_zmalloc("ixgbe_ntuple_filter",
+ sizeof(struct ixgbe_ntuple_filter_ele), 0);
+ (void)rte_memcpy(&ntuple_filter_ptr->filter_info,
+ &ntuple_filter,
+ sizeof(struct rte_eth_ntuple_filter));
+ TAILQ_INSERT_TAIL(&filter_ntuple_list,
+ ntuple_filter_ptr, entries);
+ flow->rule = ntuple_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_NTUPLE;
+ }
+ return flow;
+ }
+
+ memset(ðertype_filter, 0, sizeof(struct rte_eth_ethertype_filter));
+ ret = ixgbe_parse_ethertype_filter(attr, pattern,
+ actions, ðertype_filter);
+ error->type = ret;
+ if (!ret) {
+ ret = ixgbe_add_del_ethertype_filter(dev,
+ ðertype_filter, TRUE);
+ if (!ret) {
+ ethertype_filter_ptr = rte_zmalloc(
+ "ixgbe_ethertype_filter",
+ sizeof(struct ixgbe_ethertype_filter_ele), 0);
+ (void)rte_memcpy(ðertype_filter_ptr->filter_info,
+ ðertype_filter,
+ sizeof(struct rte_eth_ethertype_filter));
+ TAILQ_INSERT_TAIL(&filter_ethertype_list,
+ ethertype_filter_ptr, entries);
+ flow->rule = ethertype_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_ETHERTYPE;
+ }
+ return flow;
+ }
+
+ memset(&syn_filter, 0, sizeof(struct rte_eth_syn_filter));
+ ret = cons_parse_syn_filter(attr, pattern, actions, &syn_filter);
+ error->type = ret;
+ if (!ret) {
+ ret = ixgbe_syn_filter_set(dev, &syn_filter, TRUE);
+ if (!ret) {
+ syn_filter_ptr = rte_zmalloc("ixgbe_syn_filter",
+ sizeof(struct ixgbe_eth_syn_filter_ele), 0);
+ (void)rte_memcpy(&syn_filter_ptr->filter_info,
+ &syn_filter,
+ sizeof(struct rte_eth_syn_filter));
+ TAILQ_INSERT_TAIL(&filter_syn_list,
+ syn_filter_ptr,
+ entries);
+ flow->rule = syn_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_SYN;
+ }
+ return flow;
+ }
+
+ memset(&fdir_rule, 0, sizeof(struct ixgbe_fdir_rule));
+ ret = ixgbe_parse_fdir_filter(attr, pattern, actions, &fdir_rule);
+ error->type = ret;
+ if (!ret) {
+ /* A mask cannot be deleted. */
+ if (fdir_rule.b_mask) {
+ if (!fdir_info->mask_added) {
+ /* It's the first time the mask is set. */
+ rte_memcpy(&fdir_info->mask,
+ &fdir_rule.mask,
+ sizeof(struct ixgbe_hw_fdir_mask));
+ ret = ixgbe_fdir_set_input_mask(dev);
+ if (ret)
+ return NULL;
+
+ fdir_info->mask_added = TRUE;
+ } else {
+ /**
+ * Only support one global mask,
+ * all the masks should be the same.
+ */
+ ret = memcmp(&fdir_info->mask,
+ &fdir_rule.mask,
+ sizeof(struct ixgbe_hw_fdir_mask));
+ if (ret)
+ return NULL;
+ }
+ }
+
+ if (fdir_rule.b_spec) {
+ ret = ixgbe_fdir_filter_program(dev, &fdir_rule,
+ FALSE, FALSE);
+ if (!ret) {
+ fdir_rule_ptr = rte_zmalloc("ixgbe_fdir_filter",
+ sizeof(struct ixgbe_fdir_rule_ele), 0);
+ (void)rte_memcpy(&fdir_rule_ptr->filter_info,
+ &fdir_rule,
+ sizeof(struct ixgbe_fdir_rule));
+ TAILQ_INSERT_TAIL(&filter_fdir_list,
+ fdir_rule_ptr, entries);
+ flow->rule = fdir_rule_ptr;
+ flow->filter_type = RTE_ETH_FILTER_FDIR;
+
+ return flow;
+ }
+
+ if (ret)
+ return NULL;
+ }
+
+ return NULL;
+ }
+
+ memset(&l2_tn_filter, 0, sizeof(struct rte_eth_l2_tunnel_conf));
+ ret = cons_parse_l2_tn_filter(attr, pattern, actions, &l2_tn_filter);
+ error->type = ret;
+ if (!ret) {
+ ret = ixgbe_dev_l2_tunnel_filter_add(dev, &l2_tn_filter, FALSE);
+ if (!ret) {
+ l2_tn_filter_ptr = rte_zmalloc("ixgbe_l2_tn_filter",
+ sizeof(struct ixgbe_eth_l2_tunnel_conf_ele), 0);
+ (void)rte_memcpy(&l2_tn_filter_ptr->filter_info,
+ &l2_tn_filter,
+ sizeof(struct rte_eth_l2_tunnel_conf));
+ TAILQ_INSERT_TAIL(&filter_l2_tunnel_list,
+ l2_tn_filter_ptr, entries);
+ flow->rule = l2_tn_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_L2_TUNNEL;
+
+ return flow;
+ }
+ }
+
+ rte_free(flow);
+ return NULL;
+}
/* Check whether a flow rule can be created on ixgbe. */
int
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.h b/drivers/net/ixgbe/ixgbe_ethdev.h
index d23ad67..da0fab5 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.h
+++ b/drivers/net/ixgbe/ixgbe_ethdev.h
@@ -329,6 +329,12 @@ struct ixgbe_l2_tn_info {
bool e_tag_ether_type; /* ether type for e-tag */
};
+struct ixgbe_flow {
+ enum rte_filter_type filter_type;
+ void *rule;
+};
+
+
/*
* Structure to store private data for each driver instance (for each port).
*/
--
2.5.5
