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// SPDX-License-Identifier: GPL-2.0+
/* Microchip Sparx5 Switch driver
*
* Copyright (c) 2023 Microchip Technology Inc. and its subsidiaries.
*/
#include "sparx5_main_regs.h"
#include "sparx5_main.h"
static int sparx5_policer_service_conf_set(struct sparx5 *sparx5,
struct sparx5_policer *pol)
{
u32 idx, pup_tokens, max_pup_tokens, burst, thres;
struct sparx5_sdlb_group *g;
u64 rate;
g = &sdlb_groups[pol->group];
idx = pol->idx;
rate = pol->rate * 1000;
burst = pol->burst;
pup_tokens = sparx5_sdlb_pup_token_get(sparx5, g->pup_interval, rate);
max_pup_tokens =
sparx5_sdlb_pup_token_get(sparx5, g->pup_interval, g->max_rate);
thres = DIV_ROUND_UP(burst, g->min_burst);
spx5_wr(ANA_AC_SDLB_PUP_TOKENS_PUP_TOKENS_SET(pup_tokens), sparx5,
ANA_AC_SDLB_PUP_TOKENS(idx, 0));
spx5_rmw(ANA_AC_SDLB_INH_CTRL_PUP_TOKENS_MAX_SET(max_pup_tokens),
ANA_AC_SDLB_INH_CTRL_PUP_TOKENS_MAX, sparx5,
ANA_AC_SDLB_INH_CTRL(idx, 0));
spx5_rmw(ANA_AC_SDLB_THRES_THRES_SET(thres), ANA_AC_SDLB_THRES_THRES,
sparx5, ANA_AC_SDLB_THRES(idx, 0));
return 0;
}
int sparx5_policer_conf_set(struct sparx5 *sparx5, struct sparx5_policer *pol)
{
/* More policer types will be added later */
switch (pol->type) {
case SPX5_POL_SERVICE:
return sparx5_policer_service_conf_set(sparx5, pol);
default:
break;
}
return 0;
}
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