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dpdk/0035-net-hns3-extract-functions-to-create-RSS-and-FDIR-fl.patch
speech_white a50a1dc536 sync patches from upstreaming branch 
Signed-off-by: speech_white <humin29@huawei.com>
(cherry picked from commit cde27f08d4dbefb7f03bfca6229f95cb88bf08a2)
2022-02-17 14:57:24 +08:00

226 lines
6.6 KiB
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From c48499171f5df62a71697dce517b9fa22bc30985 Mon Sep 17 00:00:00 2001
From: Huisong Li <lihuisong@huawei.com>
Date: Sat, 22 Jan 2022 09:51:41 +0800
Subject: [PATCH] net/hns3: extract functions to create RSS and FDIR flow rule
Extract two functions to create the RSS and FDIR flow rule for clearer
code logic.
Signed-off-by: Huisong Li <lihuisong@huawei.com>
Acked-by: Min Hu (Connor) <humin29@huawei.com>
---
drivers/net/hns3/hns3_flow.c | 173 +++++++++++++++++++++--------------
1 file changed, 106 insertions(+), 67 deletions(-)
diff --git a/drivers/net/hns3/hns3_flow.c b/drivers/net/hns3/hns3_flow.c
index 72986abaff..4f271a32dd 100644
--- a/drivers/net/hns3/hns3_flow.c
+++ b/drivers/net/hns3/hns3_flow.c
@@ -1706,6 +1706,105 @@ hns3_flow_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
return hns3_parse_fdir_filter(dev, pattern, actions, &fdir_rule, error);
}
+static int
+hns3_flow_create_rss_rule(struct rte_eth_dev *dev,
+ const struct rte_flow_action *act,
+ struct rte_flow *flow)
+{
+ struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct hns3_rss_conf_ele *rss_filter_ptr;
+ const struct hns3_rss_conf *rss_conf;
+ int ret;
+
+ rss_filter_ptr = rte_zmalloc("hns3 rss filter",
+ sizeof(struct hns3_rss_conf_ele), 0);
+ if (rss_filter_ptr == NULL) {
+ hns3_err(hw, "failed to allocate hns3_rss_filter memory");
+ return -ENOMEM;
+ }
+
+ /*
+ * After all the preceding tasks are successfully configured, configure
+ * rules to the hardware to simplify the rollback of rules in the
+ * hardware.
+ */
+ rss_conf = (const struct hns3_rss_conf *)act->conf;
+ ret = hns3_flow_parse_rss(dev, rss_conf, true);
+ if (ret != 0) {
+ rte_free(rss_filter_ptr);
+ return ret;
+ }
+
+ hns3_rss_conf_copy(&rss_filter_ptr->filter_info, &rss_conf->conf);
+ rss_filter_ptr->filter_info.valid = true;
+ TAILQ_INSERT_TAIL(&hw->flow_rss_list, rss_filter_ptr, entries);
+ flow->rule = rss_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_HASH;
+
+ return 0;
+}
+
+static int
+hns3_flow_create_fdir_rule(struct rte_eth_dev *dev,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ struct rte_flow_error *error,
+ struct rte_flow *flow)
+{
+ struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ struct hns3_fdir_rule_ele *fdir_rule_ptr;
+ struct hns3_fdir_rule fdir_rule;
+ int ret;
+
+ memset(&fdir_rule, 0, sizeof(struct hns3_fdir_rule));
+ ret = hns3_parse_fdir_filter(dev, pattern, actions, &fdir_rule, error);
+ if (ret != 0)
+ return ret;
+
+ if (fdir_rule.flags & HNS3_RULE_FLAG_COUNTER) {
+ ret = hns3_counter_new(dev, 0,
+ fdir_rule.act_cnt.id, error);
+ if (ret != 0)
+ return ret;
+
+ flow->counter_id = fdir_rule.act_cnt.id;
+ }
+
+ fdir_rule_ptr = rte_zmalloc("hns3 fdir rule",
+ sizeof(struct hns3_fdir_rule_ele), 0);
+ if (fdir_rule_ptr == NULL) {
+ hns3_err(hw, "failed to allocate fdir_rule memory.");
+ ret = -ENOMEM;
+ goto err_malloc;
+ }
+
+ /*
+ * After all the preceding tasks are successfully configured, configure
+ * rules to the hardware to simplify the rollback of rules in the
+ * hardware.
+ */
+ ret = hns3_fdir_filter_program(hns, &fdir_rule, false);
+ if (ret != 0)
+ goto err_fdir_filter;
+
+ memcpy(&fdir_rule_ptr->fdir_conf, &fdir_rule,
+ sizeof(struct hns3_fdir_rule));
+ TAILQ_INSERT_TAIL(&hw->flow_fdir_list, fdir_rule_ptr, entries);
+ flow->rule = fdir_rule_ptr;
+ flow->filter_type = RTE_ETH_FILTER_FDIR;
+
+ return 0;
+
+err_fdir_filter:
+ rte_free(fdir_rule_ptr);
+err_malloc:
+ if (fdir_rule.flags & HNS3_RULE_FLAG_COUNTER)
+ hns3_counter_release(dev, fdir_rule.act_cnt.id);
+
+ return ret;
+}
+
/*
* Create or destroy a flow rule.
* Theorically one rule can match more than one filters.
@@ -1720,13 +1819,9 @@ hns3_flow_create(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
{
struct hns3_adapter *hns = dev->data->dev_private;
struct hns3_hw *hw = &hns->hw;
- const struct hns3_rss_conf *rss_conf;
- struct hns3_fdir_rule_ele *fdir_rule_ptr;
- struct hns3_rss_conf_ele *rss_filter_ptr;
struct hns3_flow_mem *flow_node;
const struct rte_flow_action *act;
struct rte_flow *flow;
- struct hns3_fdir_rule fdir_rule;
int ret;
ret = hns3_flow_validate(dev, attr, pattern, actions, error);
@@ -1752,76 +1847,20 @@ hns3_flow_create(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
TAILQ_INSERT_TAIL(&hw->flow_list, flow_node, entries);
act = hns3_find_rss_general_action(pattern, actions);
- if (act) {
- rss_conf = act->conf;
-
- ret = hns3_flow_parse_rss(dev, rss_conf, true);
- if (ret)
- goto err;
-
- rss_filter_ptr = rte_zmalloc("hns3 rss filter",
- sizeof(struct hns3_rss_conf_ele),
- 0);
- if (rss_filter_ptr == NULL) {
- hns3_err(hw,
- "Failed to allocate hns3_rss_filter memory");
- ret = -ENOMEM;
- goto err;
- }
- hns3_rss_conf_copy(&rss_filter_ptr->filter_info,
- &rss_conf->conf);
- rss_filter_ptr->filter_info.valid = true;
- TAILQ_INSERT_TAIL(&hw->flow_rss_list, rss_filter_ptr, entries);
-
- flow->rule = rss_filter_ptr;
- flow->filter_type = RTE_ETH_FILTER_HASH;
- return flow;
- }
-
- memset(&fdir_rule, 0, sizeof(struct hns3_fdir_rule));
- ret = hns3_parse_fdir_filter(dev, pattern, actions, &fdir_rule, error);
- if (ret)
- goto out;
-
- if (fdir_rule.flags & HNS3_RULE_FLAG_COUNTER) {
- ret = hns3_counter_new(dev, 0, fdir_rule.act_cnt.id, error);
- if (ret)
- goto out;
-
- flow->counter_id = fdir_rule.act_cnt.id;
- }
-
- fdir_rule_ptr = rte_zmalloc("hns3 fdir rule",
- sizeof(struct hns3_fdir_rule_ele),
- 0);
- if (fdir_rule_ptr == NULL) {
- hns3_err(hw, "failed to allocate fdir_rule memory.");
- ret = -ENOMEM;
- goto err_fdir;
- }
-
- ret = hns3_fdir_filter_program(hns, &fdir_rule, false);
- if (!ret) {
- memcpy(&fdir_rule_ptr->fdir_conf, &fdir_rule,
- sizeof(struct hns3_fdir_rule));
- TAILQ_INSERT_TAIL(&hw->flow_fdir_list, fdir_rule_ptr, entries);
- flow->rule = fdir_rule_ptr;
- flow->filter_type = RTE_ETH_FILTER_FDIR;
-
+ if (act)
+ ret = hns3_flow_create_rss_rule(dev, act, flow);
+ else
+ ret = hns3_flow_create_fdir_rule(dev, pattern, actions,
+ error, flow);
+ if (ret == 0)
return flow;
- }
- rte_free(fdir_rule_ptr);
-err_fdir:
- if (fdir_rule.flags & HNS3_RULE_FLAG_COUNTER)
- hns3_counter_release(dev, fdir_rule.act_cnt.id);
-err:
rte_flow_error_set(error, -ret, RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
"Failed to create flow");
-out:
TAILQ_REMOVE(&hw->flow_list, flow_node, entries);
rte_free(flow_node);
rte_free(flow);
+
return NULL;
}
--
2.33.0
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