From e10be75d19c0b91f34c2357496cf88f3b3ebf245 Mon Sep 17 00:00:00 2001 From: Sunil Kumar Kori Date: Tue, 12 Oct 2021 12:36:09 +0530 Subject: [PATCH] net/cnxk: support to update precolor DSCP table Implement API to update DSCP table for pre-coloring for incoming packet per nixlf for CNXK platform. Signed-off-by: Sunil Kumar Kori Signed-off-by: Rakesh Kudurumalla Acked-by: Jerin Jacob --- 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 6c19b90e10..d14de95907 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 -- 2.20.1