diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index 9e981913d6ba..95920668feb0 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -2352,6 +2352,9 @@ int ocelot_init(struct ocelot *ocelot) ocelot_vcap_init(ocelot); ocelot_cpu_port_init(ocelot); + if (ocelot->ops->psfp_init) + ocelot->ops->psfp_init(ocelot); + for (port = 0; port < ocelot->num_phys_ports; port++) { /* Clear all counters (5 groups) */ ocelot_write(ocelot, SYS_STAT_CFG_STAT_VIEW(port) | diff --git a/drivers/net/ethernet/mscc/ocelot_flower.c b/drivers/net/ethernet/mscc/ocelot_flower.c index ed609bc4398e..b22966e15acf 100644 --- a/drivers/net/ethernet/mscc/ocelot_flower.c +++ b/drivers/net/ethernet/mscc/ocelot_flower.c @@ -280,10 +280,14 @@ static int ocelot_flower_parse_action(struct ocelot *ocelot, int port, filter->type = OCELOT_VCAP_FILTER_OFFLOAD; break; case FLOW_ACTION_POLICE: + if (filter->block_id == PSFP_BLOCK_ID) { + filter->type = OCELOT_PSFP_FILTER_OFFLOAD; + break; + } if (filter->block_id != VCAP_IS2 || filter->lookup != 0) { NL_SET_ERR_MSG_MOD(extack, - "Police action can only be offloaded to VCAP IS2 lookup 0"); + "Police action can only be offloaded to VCAP IS2 lookup 0 or PSFP"); return -EOPNOTSUPP; } if (filter->goto_target != -1) { @@ -410,6 +414,14 @@ static int ocelot_flower_parse_action(struct ocelot *ocelot, int port, filter->action.pcp_a_val = a->vlan.prio; filter->type = OCELOT_VCAP_FILTER_OFFLOAD; break; + case FLOW_ACTION_GATE: + if (filter->block_id != PSFP_BLOCK_ID) { + NL_SET_ERR_MSG_MOD(extack, + "Gate action can only be offloaded to PSFP chain"); + return -EOPNOTSUPP; + } + filter->type = OCELOT_PSFP_FILTER_OFFLOAD; + break; default: NL_SET_ERR_MSG_MOD(extack, "Cannot offload action"); return -EOPNOTSUPP; @@ -700,6 +712,10 @@ static int ocelot_flower_parse(struct ocelot *ocelot, int port, bool ingress, if (ret) return ret; + /* PSFP filter need to parse key by stream identification function. */ + if (filter->type == OCELOT_PSFP_FILTER_OFFLOAD) + return 0; + return ocelot_flower_parse_key(ocelot, port, ingress, f, filter); } @@ -803,6 +819,15 @@ int ocelot_cls_flower_replace(struct ocelot *ocelot, int port, if (filter->type == OCELOT_VCAP_FILTER_DUMMY) return ocelot_vcap_dummy_filter_add(ocelot, filter); + if (filter->type == OCELOT_PSFP_FILTER_OFFLOAD) { + kfree(filter); + if (ocelot->ops->psfp_filter_add) + return ocelot->ops->psfp_filter_add(ocelot, f); + + NL_SET_ERR_MSG_MOD(extack, "PSFP chain is not supported in HW"); + return -EOPNOTSUPP; + } + return ocelot_vcap_filter_add(ocelot, filter, f->common.extack); } EXPORT_SYMBOL_GPL(ocelot_cls_flower_replace); @@ -818,6 +843,13 @@ int ocelot_cls_flower_destroy(struct ocelot *ocelot, int port, if (block_id < 0) return 0; + if (block_id == PSFP_BLOCK_ID) { + if (ocelot->ops->psfp_filter_del) + return ocelot->ops->psfp_filter_del(ocelot, f); + + return -EOPNOTSUPP; + } + block = &ocelot->block[block_id]; filter = ocelot_vcap_block_find_filter_by_id(block, f->cookie, true); @@ -836,12 +868,25 @@ int ocelot_cls_flower_stats(struct ocelot *ocelot, int port, { struct ocelot_vcap_filter *filter; struct ocelot_vcap_block *block; + struct flow_stats stats = {0}; int block_id, ret; block_id = ocelot_chain_to_block(f->common.chain_index, ingress); if (block_id < 0) return 0; + if (block_id == PSFP_BLOCK_ID) { + if (ocelot->ops->psfp_stats_get) { + ret = ocelot->ops->psfp_stats_get(ocelot, f, &stats); + if (ret) + return ret; + + goto stats_update; + } + + return -EOPNOTSUPP; + } + block = &ocelot->block[block_id]; filter = ocelot_vcap_block_find_filter_by_id(block, f->cookie, true); @@ -852,7 +897,10 @@ int ocelot_cls_flower_stats(struct ocelot *ocelot, int port, if (ret) return ret; - flow_stats_update(&f->stats, 0x0, filter->stats.pkts, 0, 0x0, + stats.pkts = filter->stats.pkts; + +stats_update: + flow_stats_update(&f->stats, 0x0, stats.pkts, stats.drops, 0x0, FLOW_ACTION_HW_STATS_IMMEDIATE); return 0; } diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h index 1d5ff11e4100..e9985ace59c0 100644 --- a/include/soc/mscc/ocelot.h +++ b/include/soc/mscc/ocelot.h @@ -555,6 +555,11 @@ struct ocelot_ops { u16 (*wm_enc)(u16 value); u16 (*wm_dec)(u16 value); void (*wm_stat)(u32 val, u32 *inuse, u32 *maxuse); + void (*psfp_init)(struct ocelot *ocelot); + int (*psfp_filter_add)(struct ocelot *ocelot, struct flow_cls_offload *f); + int (*psfp_filter_del)(struct ocelot *ocelot, struct flow_cls_offload *f); + int (*psfp_stats_get)(struct ocelot *ocelot, struct flow_cls_offload *f, + struct flow_stats *stats); }; struct ocelot_vcap_block { diff --git a/include/soc/mscc/ocelot_vcap.h b/include/soc/mscc/ocelot_vcap.h index eeb1142aa1b1..9cca2f8e61a2 100644 --- a/include/soc/mscc/ocelot_vcap.h +++ b/include/soc/mscc/ocelot_vcap.h @@ -656,6 +656,7 @@ enum ocelot_vcap_filter_type { OCELOT_VCAP_FILTER_DUMMY, OCELOT_VCAP_FILTER_PAG, OCELOT_VCAP_FILTER_OFFLOAD, + OCELOT_PSFP_FILTER_OFFLOAD, }; struct ocelot_vcap_id {