From: Sunil Kumar Kori <sk...@marvell.com>
Implement API to update DSCP table for pre-coloring for
incoming packet per nixlf for CNXK platform.
Signed-off-by: Sunil Kumar Kori <sk...@marvell.com>
Signed-off-by: Rakesh Kudurumalla <rkuduruma...@marvell.com>
---
v4:
- Rebase support on dpdk-next-net-mrvl branch
- Handled meter action during flow destroy
- Handled meter cleanup during port shutdown
v3:
- Rebase support on latest DPDK
- Handled multilevel chaining for tree hierarchy
- Fix naming convention
v2:
- Rebase support on latest DPDK
- Handled multilevel chaining for linear hierarchy
- Review comments incorporated
drivers/net/cnxk/cnxk_ethdev_mtr.c | 51 ++++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)
diff --git a/drivers/net/cnxk/cnxk_ethdev_mtr.c
b/drivers/net/cnxk/cnxk_ethdev_mtr.c
index b9359c185d..be902ad47d 100644
--- a/drivers/net/cnxk/cnxk_ethdev_mtr.c
+++ b/drivers/net/cnxk/cnxk_ethdev_mtr.c
@@ -613,6 +613,56 @@ cnxk_nix_mtr_disable(struct rte_eth_dev *eth_dev, uint32_t
mtr_id,
return rc;
}
+static int
+cnxk_nix_mtr_dscp_table_update(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
+ enum rte_color *dscp_table,
+ struct rte_mtr_error *error)
+{
+ enum roc_nix_bpf_color nix_dscp_tbl[ROC_NIX_BPF_PRE_COLOR_MAX];
+ enum roc_nix_bpf_color color_map[] = {ROC_NIX_BPF_COLOR_GREEN,
+ ROC_NIX_BPF_COLOR_YELLOW,
+ ROC_NIX_BPF_COLOR_RED};
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ struct roc_nix_bpf_precolor table;
+ struct roc_nix *nix = &dev->nix;
+ struct cnxk_meter_node *mtr;
+ int rc, i;
+
+ mtr = nix_mtr_find(dev, mtr_id);
+ if (mtr == NULL) {
+ return -rte_mtr_error_set(error, ENOENT,
+ RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
+ "Meter object not found");
+ }
+
+ if (!dscp_table) {
+ for (i = 0; i < ROC_NIX_BPF_PRE_COLOR_MAX; i++)
+ nix_dscp_tbl[i] = ROC_NIX_BPF_COLOR_GREEN;
+ } else {
+ for (i = 0; i < ROC_NIX_BPF_PRE_COLOR_MAX; i++)
+ nix_dscp_tbl[i] = color_map[dscp_table[i]];
+ }
+
+ table.count = ROC_NIX_BPF_PRE_COLOR_MAX;
+ table.mode = ROC_NIX_BPF_PC_MODE_DSCP_OUTER;
+ for (i = 0; i < ROC_NIX_BPF_PRE_COLOR_MAX; i++)
+ table.color[i] = nix_dscp_tbl[i];
+
+ rc = roc_nix_bpf_pre_color_tbl_setup(nix, mtr->bpf_id,
+ lvl_map[mtr->level], &table);
+ if (rc) {
+ rte_mtr_error_set(error, rc, RTE_MTR_ERROR_TYPE_UNSPECIFIED,
+ NULL, NULL);
+ goto exit;
+ }
+
+ for (i = 0; i < ROC_NIX_BPF_PRE_COLOR_MAX; i++)
+ dev->precolor_tbl[i] = nix_dscp_tbl[i];
+
+exit:
+ return rc;
+}
+
const struct rte_mtr_ops nix_mtr_ops = {
.capabilities_get = cnxk_nix_mtr_capabilities_get,
.meter_profile_add = cnxk_nix_mtr_profile_add,
@@ -624,6 +674,7 @@ const struct rte_mtr_ops nix_mtr_ops = {
.destroy = cnxk_nix_mtr_destroy,
.meter_enable = cnxk_nix_mtr_enable,
.meter_disable = cnxk_nix_mtr_disable,
+ .meter_dscp_table_update = cnxk_nix_mtr_dscp_table_update,
};
int
--
2.25.1
