diff options
Diffstat (limited to 'drivers/net/ethernet/mscc/ocelot_vcap.c')
-rw-r--r-- | drivers/net/ethernet/mscc/ocelot_vcap.c | 856 |
1 files changed, 603 insertions, 253 deletions
diff --git a/drivers/net/ethernet/mscc/ocelot_vcap.c b/drivers/net/ethernet/mscc/ocelot_vcap.c index 3ef620faf995..d8c778ee6f1b 100644 --- a/drivers/net/ethernet/mscc/ocelot_vcap.c +++ b/drivers/net/ethernet/mscc/ocelot_vcap.c @@ -9,9 +9,7 @@ #include <soc/mscc/ocelot_vcap.h> #include "ocelot_police.h" #include "ocelot_vcap.h" -#include "ocelot_s2.h" -#define OCELOT_POLICER_DISCARD 0x17f #define ENTRY_WIDTH 32 enum vcap_sel { @@ -48,145 +46,174 @@ struct vcap_data { u32 tg_mask; /* Current type-group mask */ }; -static u32 vcap_s2_read_update_ctrl(struct ocelot *ocelot) +static u32 vcap_read_update_ctrl(struct ocelot *ocelot, + const struct vcap_props *vcap) { - return ocelot_read(ocelot, S2_CORE_UPDATE_CTRL); + return ocelot_target_read(ocelot, vcap->target, VCAP_CORE_UPDATE_CTRL); } -static void vcap_cmd(struct ocelot *ocelot, u16 ix, int cmd, int sel) +static void vcap_cmd(struct ocelot *ocelot, const struct vcap_props *vcap, + u16 ix, int cmd, int sel) { - const struct vcap_props *vcap_is2 = &ocelot->vcap[VCAP_IS2]; + u32 value = (VCAP_CORE_UPDATE_CTRL_UPDATE_CMD(cmd) | + VCAP_CORE_UPDATE_CTRL_UPDATE_ADDR(ix) | + VCAP_CORE_UPDATE_CTRL_UPDATE_SHOT); - u32 value = (S2_CORE_UPDATE_CTRL_UPDATE_CMD(cmd) | - S2_CORE_UPDATE_CTRL_UPDATE_ADDR(ix) | - S2_CORE_UPDATE_CTRL_UPDATE_SHOT); - - if ((sel & VCAP_SEL_ENTRY) && ix >= vcap_is2->entry_count) + if ((sel & VCAP_SEL_ENTRY) && ix >= vcap->entry_count) return; if (!(sel & VCAP_SEL_ENTRY)) - value |= S2_CORE_UPDATE_CTRL_UPDATE_ENTRY_DIS; + value |= VCAP_CORE_UPDATE_CTRL_UPDATE_ENTRY_DIS; if (!(sel & VCAP_SEL_ACTION)) - value |= S2_CORE_UPDATE_CTRL_UPDATE_ACTION_DIS; + value |= VCAP_CORE_UPDATE_CTRL_UPDATE_ACTION_DIS; if (!(sel & VCAP_SEL_COUNTER)) - value |= S2_CORE_UPDATE_CTRL_UPDATE_CNT_DIS; + value |= VCAP_CORE_UPDATE_CTRL_UPDATE_CNT_DIS; + + ocelot_target_write(ocelot, vcap->target, value, VCAP_CORE_UPDATE_CTRL); - ocelot_write(ocelot, value, S2_CORE_UPDATE_CTRL); - readx_poll_timeout(vcap_s2_read_update_ctrl, ocelot, value, - (value & S2_CORE_UPDATE_CTRL_UPDATE_SHOT) == 0, - 10, 100000); + read_poll_timeout(vcap_read_update_ctrl, value, + (value & VCAP_CORE_UPDATE_CTRL_UPDATE_SHOT) == 0, + 10, 100000, false, ocelot, vcap); } /* Convert from 0-based row to VCAP entry row and run command */ -static void vcap_row_cmd(struct ocelot *ocelot, u32 row, int cmd, int sel) +static void vcap_row_cmd(struct ocelot *ocelot, const struct vcap_props *vcap, + u32 row, int cmd, int sel) { - const struct vcap_props *vcap_is2 = &ocelot->vcap[VCAP_IS2]; - - vcap_cmd(ocelot, vcap_is2->entry_count - row - 1, cmd, sel); + vcap_cmd(ocelot, vcap, vcap->entry_count - row - 1, cmd, sel); } -static void vcap_entry2cache(struct ocelot *ocelot, struct vcap_data *data) +static void vcap_entry2cache(struct ocelot *ocelot, + const struct vcap_props *vcap, + struct vcap_data *data) { - const struct vcap_props *vcap_is2 = &ocelot->vcap[VCAP_IS2]; u32 entry_words, i; - entry_words = DIV_ROUND_UP(vcap_is2->entry_width, ENTRY_WIDTH); + entry_words = DIV_ROUND_UP(vcap->entry_width, ENTRY_WIDTH); for (i = 0; i < entry_words; i++) { - ocelot_write_rix(ocelot, data->entry[i], S2_CACHE_ENTRY_DAT, i); - ocelot_write_rix(ocelot, ~data->mask[i], S2_CACHE_MASK_DAT, i); + ocelot_target_write_rix(ocelot, vcap->target, data->entry[i], + VCAP_CACHE_ENTRY_DAT, i); + ocelot_target_write_rix(ocelot, vcap->target, ~data->mask[i], + VCAP_CACHE_MASK_DAT, i); } - ocelot_write(ocelot, data->tg, S2_CACHE_TG_DAT); + ocelot_target_write(ocelot, vcap->target, data->tg, VCAP_CACHE_TG_DAT); } -static void vcap_cache2entry(struct ocelot *ocelot, struct vcap_data *data) +static void vcap_cache2entry(struct ocelot *ocelot, + const struct vcap_props *vcap, + struct vcap_data *data) { - const struct vcap_props *vcap_is2 = &ocelot->vcap[VCAP_IS2]; u32 entry_words, i; - entry_words = DIV_ROUND_UP(vcap_is2->entry_width, ENTRY_WIDTH); + entry_words = DIV_ROUND_UP(vcap->entry_width, ENTRY_WIDTH); for (i = 0; i < entry_words; i++) { - data->entry[i] = ocelot_read_rix(ocelot, S2_CACHE_ENTRY_DAT, i); + data->entry[i] = ocelot_target_read_rix(ocelot, vcap->target, + VCAP_CACHE_ENTRY_DAT, i); // Invert mask - data->mask[i] = ~ocelot_read_rix(ocelot, S2_CACHE_MASK_DAT, i); + data->mask[i] = ~ocelot_target_read_rix(ocelot, vcap->target, + VCAP_CACHE_MASK_DAT, i); } - data->tg = ocelot_read(ocelot, S2_CACHE_TG_DAT); + data->tg = ocelot_target_read(ocelot, vcap->target, VCAP_CACHE_TG_DAT); } -static void vcap_action2cache(struct ocelot *ocelot, struct vcap_data *data) +static void vcap_action2cache(struct ocelot *ocelot, + const struct vcap_props *vcap, + struct vcap_data *data) { - const struct vcap_props *vcap_is2 = &ocelot->vcap[VCAP_IS2]; u32 action_words, mask; int i, width; /* Encode action type */ - width = vcap_is2->action_type_width; + width = vcap->action_type_width; if (width) { mask = GENMASK(width, 0); data->action[0] = ((data->action[0] & ~mask) | data->type); } - action_words = DIV_ROUND_UP(vcap_is2->action_width, ENTRY_WIDTH); + action_words = DIV_ROUND_UP(vcap->action_width, ENTRY_WIDTH); for (i = 0; i < action_words; i++) - ocelot_write_rix(ocelot, data->action[i], S2_CACHE_ACTION_DAT, - i); + ocelot_target_write_rix(ocelot, vcap->target, data->action[i], + VCAP_CACHE_ACTION_DAT, i); - for (i = 0; i < vcap_is2->counter_words; i++) - ocelot_write_rix(ocelot, data->counter[i], S2_CACHE_CNT_DAT, i); + for (i = 0; i < vcap->counter_words; i++) + ocelot_target_write_rix(ocelot, vcap->target, data->counter[i], + VCAP_CACHE_CNT_DAT, i); } -static void vcap_cache2action(struct ocelot *ocelot, struct vcap_data *data) +static void vcap_cache2action(struct ocelot *ocelot, + const struct vcap_props *vcap, + struct vcap_data *data) { - const struct vcap_props *vcap_is2 = &ocelot->vcap[VCAP_IS2]; u32 action_words; int i, width; - action_words = DIV_ROUND_UP(vcap_is2->action_width, ENTRY_WIDTH); + action_words = DIV_ROUND_UP(vcap->action_width, ENTRY_WIDTH); for (i = 0; i < action_words; i++) - data->action[i] = ocelot_read_rix(ocelot, S2_CACHE_ACTION_DAT, - i); + data->action[i] = ocelot_target_read_rix(ocelot, vcap->target, + VCAP_CACHE_ACTION_DAT, + i); - for (i = 0; i < vcap_is2->counter_words; i++) - data->counter[i] = ocelot_read_rix(ocelot, S2_CACHE_CNT_DAT, i); + for (i = 0; i < vcap->counter_words; i++) + data->counter[i] = ocelot_target_read_rix(ocelot, vcap->target, + VCAP_CACHE_CNT_DAT, + i); /* Extract action type */ - width = vcap_is2->action_type_width; + width = vcap->action_type_width; data->type = (width ? (data->action[0] & GENMASK(width, 0)) : 0); } /* Calculate offsets for entry */ -static void is2_data_get(struct ocelot *ocelot, struct vcap_data *data, int ix) +static void vcap_data_offset_get(const struct vcap_props *vcap, + struct vcap_data *data, int ix) { - const struct vcap_props *vcap_is2 = &ocelot->vcap[VCAP_IS2]; - int i, col, offset, count, cnt, base; - int width = vcap_is2->tg_width; + int num_subwords_per_entry, num_subwords_per_action; + int i, col, offset, num_entries_per_row, base; + u32 width = vcap->tg_width; - count = (data->tg_sw == VCAP_TG_HALF ? 2 : 4); - col = (ix % 2); - cnt = (vcap_is2->sw_count / count); - base = (vcap_is2->sw_count - col * cnt - cnt); + switch (data->tg_sw) { + case VCAP_TG_FULL: + num_entries_per_row = 1; + break; + case VCAP_TG_HALF: + num_entries_per_row = 2; + break; + case VCAP_TG_QUARTER: + num_entries_per_row = 4; + break; + default: + return; + } + + col = (ix % num_entries_per_row); + num_subwords_per_entry = (vcap->sw_count / num_entries_per_row); + base = (vcap->sw_count - col * num_subwords_per_entry - + num_subwords_per_entry); data->tg_value = 0; data->tg_mask = 0; - for (i = 0; i < cnt; i++) { + for (i = 0; i < num_subwords_per_entry; i++) { offset = ((base + i) * width); data->tg_value |= (data->tg_sw << offset); data->tg_mask |= GENMASK(offset + width - 1, offset); } /* Calculate key/action/counter offsets */ - col = (count - col - 1); - data->key_offset = (base * vcap_is2->entry_width) / vcap_is2->sw_count; - data->counter_offset = (cnt * col * vcap_is2->counter_width); + col = (num_entries_per_row - col - 1); + data->key_offset = (base * vcap->entry_width) / vcap->sw_count; + data->counter_offset = (num_subwords_per_entry * col * + vcap->counter_width); i = data->type; - width = vcap_is2->action_table[i].width; - cnt = vcap_is2->action_table[i].count; - data->action_offset = - (((cnt * col * width) / count) + vcap_is2->action_type_width); + width = vcap->action_table[i].width; + num_subwords_per_action = vcap->action_table[i].count; + data->action_offset = ((num_subwords_per_action * col * width) / + num_entries_per_row); + data->action_offset += vcap->action_type_width; } static void vcap_data_set(u32 *data, u32 offset, u32 len, u32 value) @@ -224,22 +251,21 @@ static void vcap_key_field_set(struct vcap_data *data, u32 offset, u32 width, vcap_data_set(data->mask, offset + data->key_offset, width, mask); } -static void vcap_key_set(struct ocelot *ocelot, struct vcap_data *data, - enum vcap_is2_half_key_field field, - u32 value, u32 mask) +static void vcap_key_set(const struct vcap_props *vcap, struct vcap_data *data, + int field, u32 value, u32 mask) { - u32 offset = ocelot->vcap_is2_keys[field].offset; - u32 length = ocelot->vcap_is2_keys[field].length; + u32 offset = vcap->keys[field].offset; + u32 length = vcap->keys[field].length; vcap_key_field_set(data, offset, length, value, mask); } -static void vcap_key_bytes_set(struct ocelot *ocelot, struct vcap_data *data, - enum vcap_is2_half_key_field field, +static void vcap_key_bytes_set(const struct vcap_props *vcap, + struct vcap_data *data, int field, u8 *val, u8 *msk) { - u32 offset = ocelot->vcap_is2_keys[field].offset; - u32 count = ocelot->vcap_is2_keys[field].length; + u32 offset = vcap->keys[field].offset; + u32 count = vcap->keys[field].length; u32 i, j, n = 0, value = 0, mask = 0; WARN_ON(count % 8); @@ -265,37 +291,37 @@ static void vcap_key_bytes_set(struct ocelot *ocelot, struct vcap_data *data, } } -static void vcap_key_l4_port_set(struct ocelot *ocelot, struct vcap_data *data, - enum vcap_is2_half_key_field field, +static void vcap_key_l4_port_set(const struct vcap_props *vcap, + struct vcap_data *data, int field, struct ocelot_vcap_udp_tcp *port) { - u32 offset = ocelot->vcap_is2_keys[field].offset; - u32 length = ocelot->vcap_is2_keys[field].length; + u32 offset = vcap->keys[field].offset; + u32 length = vcap->keys[field].length; WARN_ON(length != 16); vcap_key_field_set(data, offset, length, port->value, port->mask); } -static void vcap_key_bit_set(struct ocelot *ocelot, struct vcap_data *data, - enum vcap_is2_half_key_field field, +static void vcap_key_bit_set(const struct vcap_props *vcap, + struct vcap_data *data, int field, enum ocelot_vcap_bit val) { - u32 offset = ocelot->vcap_is2_keys[field].offset; - u32 length = ocelot->vcap_is2_keys[field].length; u32 value = (val == OCELOT_VCAP_BIT_1 ? 1 : 0); u32 msk = (val == OCELOT_VCAP_BIT_ANY ? 0 : 1); + u32 offset = vcap->keys[field].offset; + u32 length = vcap->keys[field].length; WARN_ON(length != 1); vcap_key_field_set(data, offset, length, value, msk); } -static void vcap_action_set(struct ocelot *ocelot, struct vcap_data *data, - enum vcap_is2_action_field field, u32 value) +static void vcap_action_set(const struct vcap_props *vcap, + struct vcap_data *data, int field, u32 value) { - int offset = ocelot->vcap_is2_actions[field].offset; - int length = ocelot->vcap_is2_actions[field].length; + int offset = vcap->actions[field].offset; + int length = vcap->actions[field].length; vcap_data_set(data->action, offset + data->action_offset, length, value); @@ -304,40 +330,21 @@ static void vcap_action_set(struct ocelot *ocelot, struct vcap_data *data, static void is2_action_set(struct ocelot *ocelot, struct vcap_data *data, struct ocelot_vcap_filter *filter) { - switch (filter->action) { - case OCELOT_VCAP_ACTION_DROP: - vcap_action_set(ocelot, data, VCAP_IS2_ACT_PORT_MASK, 0); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_MASK_MODE, 1); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_POLICE_ENA, 1); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_POLICE_IDX, - OCELOT_POLICER_DISCARD); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_CPU_QU_NUM, 0); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_CPU_COPY_ENA, 0); - break; - case OCELOT_VCAP_ACTION_TRAP: - vcap_action_set(ocelot, data, VCAP_IS2_ACT_PORT_MASK, 0); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_MASK_MODE, 1); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_POLICE_ENA, 0); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_POLICE_IDX, 0); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_CPU_QU_NUM, 0); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_CPU_COPY_ENA, 1); - break; - case OCELOT_VCAP_ACTION_POLICE: - vcap_action_set(ocelot, data, VCAP_IS2_ACT_PORT_MASK, 0); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_MASK_MODE, 0); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_POLICE_ENA, 1); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_POLICE_IDX, - filter->pol_ix); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_CPU_QU_NUM, 0); - vcap_action_set(ocelot, data, VCAP_IS2_ACT_CPU_COPY_ENA, 0); - break; - } + const struct vcap_props *vcap = &ocelot->vcap[VCAP_IS2]; + struct ocelot_vcap_action *a = &filter->action; + + vcap_action_set(vcap, data, VCAP_IS2_ACT_MASK_MODE, a->mask_mode); + vcap_action_set(vcap, data, VCAP_IS2_ACT_PORT_MASK, a->port_mask); + vcap_action_set(vcap, data, VCAP_IS2_ACT_POLICE_ENA, a->police_ena); + vcap_action_set(vcap, data, VCAP_IS2_ACT_POLICE_IDX, a->pol_ix); + vcap_action_set(vcap, data, VCAP_IS2_ACT_CPU_QU_NUM, a->cpu_qu_num); + vcap_action_set(vcap, data, VCAP_IS2_ACT_CPU_COPY_ENA, a->cpu_copy_ena); } static void is2_entry_set(struct ocelot *ocelot, int ix, struct ocelot_vcap_filter *filter) { - const struct vcap_props *vcap_is2 = &ocelot->vcap[VCAP_IS2]; + const struct vcap_props *vcap = &ocelot->vcap[VCAP_IS2]; struct ocelot_vcap_key_vlan *tag = &filter->vlan; u32 val, msk, type, type_mask = 0xf, i, count; struct ocelot_vcap_u64 payload; @@ -348,52 +355,55 @@ static void is2_entry_set(struct ocelot *ocelot, int ix, memset(&data, 0, sizeof(data)); /* Read row */ - vcap_row_cmd(ocelot, row, VCAP_CMD_READ, VCAP_SEL_ALL); - vcap_cache2entry(ocelot, &data); - vcap_cache2action(ocelot, &data); + vcap_row_cmd(ocelot, vcap, row, VCAP_CMD_READ, VCAP_SEL_ALL); + vcap_cache2entry(ocelot, vcap, &data); + vcap_cache2action(ocelot, vcap, &data); data.tg_sw = VCAP_TG_HALF; - is2_data_get(ocelot, &data, ix); + vcap_data_offset_get(vcap, &data, ix); data.tg = (data.tg & ~data.tg_mask); if (filter->prio != 0) data.tg |= data.tg_value; data.type = IS2_ACTION_TYPE_NORMAL; - vcap_key_set(ocelot, &data, VCAP_IS2_HK_PAG, 0, 0); - vcap_key_set(ocelot, &data, VCAP_IS2_HK_IGR_PORT_MASK, 0, + vcap_key_set(vcap, &data, VCAP_IS2_HK_PAG, filter->pag, 0xff); + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_FIRST, + (filter->lookup == 0) ? OCELOT_VCAP_BIT_1 : + OCELOT_VCAP_BIT_0); + vcap_key_set(vcap, &data, VCAP_IS2_HK_IGR_PORT_MASK, 0, ~filter->ingress_port_mask); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_FIRST, OCELOT_VCAP_BIT_1); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_HOST_MATCH, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_FIRST, OCELOT_VCAP_BIT_ANY); + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_HOST_MATCH, OCELOT_VCAP_BIT_ANY); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_L2_MC, filter->dmac_mc); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_L2_BC, filter->dmac_bc); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_VLAN_TAGGED, tag->tagged); - vcap_key_set(ocelot, &data, VCAP_IS2_HK_VID, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L2_MC, filter->dmac_mc); + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L2_BC, filter->dmac_bc); + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_VLAN_TAGGED, tag->tagged); + vcap_key_set(vcap, &data, VCAP_IS2_HK_VID, tag->vid.value, tag->vid.mask); - vcap_key_set(ocelot, &data, VCAP_IS2_HK_PCP, + vcap_key_set(vcap, &data, VCAP_IS2_HK_PCP, tag->pcp.value[0], tag->pcp.mask[0]); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_DEI, tag->dei); + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_DEI, tag->dei); switch (filter->key_type) { case OCELOT_VCAP_KEY_ETYPE: { struct ocelot_vcap_key_etype *etype = &filter->key.etype; type = IS2_TYPE_ETYPE; - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_L2_DMAC, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_L2_DMAC, etype->dmac.value, etype->dmac.mask); - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_L2_SMAC, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_L2_SMAC, etype->smac.value, etype->smac.mask); - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_MAC_ETYPE_ETYPE, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_MAC_ETYPE_ETYPE, etype->etype.value, etype->etype.mask); /* Clear unused bits */ - vcap_key_set(ocelot, &data, VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD0, + vcap_key_set(vcap, &data, VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD0, 0, 0); - vcap_key_set(ocelot, &data, VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD1, + vcap_key_set(vcap, &data, VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD1, 0, 0); - vcap_key_set(ocelot, &data, VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD2, + vcap_key_set(vcap, &data, VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD2, 0, 0); - vcap_key_bytes_set(ocelot, &data, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD0, etype->data.value, etype->data.mask); break; @@ -402,15 +412,15 @@ static void is2_entry_set(struct ocelot *ocelot, int ix, struct ocelot_vcap_key_llc *llc = &filter->key.llc; type = IS2_TYPE_LLC; - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_L2_DMAC, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_L2_DMAC, llc->dmac.value, llc->dmac.mask); - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_L2_SMAC, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_L2_SMAC, llc->smac.value, llc->smac.mask); for (i = 0; i < 4; i++) { payload.value[i] = llc->llc.value[i]; payload.mask[i] = llc->llc.mask[i]; } - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_MAC_LLC_L2_LLC, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_MAC_LLC_L2_LLC, payload.value, payload.mask); break; } @@ -418,11 +428,11 @@ static void is2_entry_set(struct ocelot *ocelot, int ix, struct ocelot_vcap_key_snap *snap = &filter->key.snap; type = IS2_TYPE_SNAP; - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_L2_DMAC, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_L2_DMAC, snap->dmac.value, snap->dmac.mask); - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_L2_SMAC, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_L2_SMAC, snap->smac.value, snap->smac.mask); - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_MAC_SNAP_L2_SNAP, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_MAC_SNAP_L2_SNAP, filter->key.snap.snap.value, filter->key.snap.snap.mask); break; @@ -431,24 +441,24 @@ static void is2_entry_set(struct ocelot *ocelot, int ix, struct ocelot_vcap_key_arp *arp = &filter->key.arp; type = IS2_TYPE_ARP; - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_MAC_ARP_SMAC, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_MAC_ARP_SMAC, arp->smac.value, arp->smac.mask); - vcap_key_bit_set(ocelot, &data, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_MAC_ARP_ADDR_SPACE_OK, arp->ethernet); - vcap_key_bit_set(ocelot, &data, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_MAC_ARP_PROTO_SPACE_OK, arp->ip); - vcap_key_bit_set(ocelot, &data, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_MAC_ARP_LEN_OK, arp->length); - vcap_key_bit_set(ocelot, &data, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_MAC_ARP_TARGET_MATCH, arp->dmac_match); - vcap_key_bit_set(ocelot, &data, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_MAC_ARP_SENDER_MATCH, arp->smac_match); - vcap_key_bit_set(ocelot, &data, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_MAC_ARP_OPCODE_UNKNOWN, arp->unknown); @@ -457,15 +467,15 @@ static void is2_entry_set(struct ocelot *ocelot, int ix, (arp->arp == OCELOT_VCAP_BIT_0 ? 2 : 0)); msk = ((arp->req == OCELOT_VCAP_BIT_ANY ? 0 : 1) | (arp->arp == OCELOT_VCAP_BIT_ANY ? 0 : 2)); - vcap_key_set(ocelot, &data, VCAP_IS2_HK_MAC_ARP_OPCODE, + vcap_key_set(vcap, &data, VCAP_IS2_HK_MAC_ARP_OPCODE, val, msk); - vcap_key_bytes_set(ocelot, &data, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_MAC_ARP_L3_IP4_DIP, arp->dip.value.addr, arp->dip.mask.addr); - vcap_key_bytes_set(ocelot, &data, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_MAC_ARP_L3_IP4_SIP, arp->sip.value.addr, arp->sip.mask.addr); - vcap_key_set(ocelot, &data, VCAP_IS2_HK_MAC_ARP_DIP_EQ_SIP, + vcap_key_set(vcap, &data, VCAP_IS2_HK_MAC_ARP_DIP_EQ_SIP, 0, 0); break; } @@ -534,22 +544,22 @@ static void is2_entry_set(struct ocelot *ocelot, int ix, seq_zero = ipv6->seq_zero; } - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_IP4, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_IP4, ipv4 ? OCELOT_VCAP_BIT_1 : OCELOT_VCAP_BIT_0); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_L3_FRAGMENT, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L3_FRAGMENT, fragment); - vcap_key_set(ocelot, &data, VCAP_IS2_HK_L3_FRAG_OFS_GT0, 0, 0); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_L3_OPTIONS, + vcap_key_set(vcap, &data, VCAP_IS2_HK_L3_FRAG_OFS_GT0, 0, 0); + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L3_OPTIONS, options); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_IP4_L3_TTL_GT0, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_IP4_L3_TTL_GT0, ttl); - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_L3_TOS, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_L3_TOS, ds.value, ds.mask); - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_L3_IP4_DIP, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_L3_IP4_DIP, dip.value.addr, dip.mask.addr); - vcap_key_bytes_set(ocelot, &data, VCAP_IS2_HK_L3_IP4_SIP, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_L3_IP4_SIP, sip.value.addr, sip.mask.addr); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_DIP_EQ_SIP, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_DIP_EQ_SIP, sip_eq_dip); val = proto.value[0]; msk = proto.mask[0]; @@ -558,33 +568,33 @@ static void is2_entry_set(struct ocelot *ocelot, int ix, /* UDP/TCP protocol match */ tcp = (val == 6 ? OCELOT_VCAP_BIT_1 : OCELOT_VCAP_BIT_0); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_TCP, tcp); - vcap_key_l4_port_set(ocelot, &data, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_TCP, tcp); + vcap_key_l4_port_set(vcap, &data, VCAP_IS2_HK_L4_DPORT, dport); - vcap_key_l4_port_set(ocelot, &data, + vcap_key_l4_port_set(vcap, &data, VCAP_IS2_HK_L4_SPORT, sport); - vcap_key_set(ocelot, &data, VCAP_IS2_HK_L4_RNG, 0, 0); - vcap_key_bit_set(ocelot, &data, + vcap_key_set(vcap, &data, VCAP_IS2_HK_L4_RNG, 0, 0); + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L4_SPORT_EQ_DPORT, sport_eq_dport); - vcap_key_bit_set(ocelot, &data, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L4_SEQUENCE_EQ0, seq_zero); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_L4_FIN, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L4_FIN, tcp_fin); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_L4_SYN, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L4_SYN, tcp_syn); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_L4_RST, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L4_RST, tcp_rst); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_L4_PSH, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L4_PSH, tcp_psh); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_L4_ACK, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L4_ACK, tcp_ack); - vcap_key_bit_set(ocelot, &data, VCAP_IS2_HK_L4_URG, + vcap_key_bit_set(vcap, &data, VCAP_IS2_HK_L4_URG, tcp_urg); - vcap_key_set(ocelot, &data, VCAP_IS2_HK_L4_1588_DOM, + vcap_key_set(vcap, &data, VCAP_IS2_HK_L4_1588_DOM, 0, 0); - vcap_key_set(ocelot, &data, VCAP_IS2_HK_L4_1588_VER, + vcap_key_set(vcap, &data, VCAP_IS2_HK_L4_1588_VER, 0, 0); } else { if (msk == 0) { @@ -598,10 +608,10 @@ static void is2_entry_set(struct ocelot *ocelot, int ix, payload.mask[i] = ip_data->mask[i]; } } - vcap_key_bytes_set(ocelot, &data, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_IP4_L3_PROTO, proto.value, proto.mask); - vcap_key_bytes_set(ocelot, &data, + vcap_key_bytes_set(vcap, &data, VCAP_IS2_HK_L3_PAYLOAD, payload.value, payload.mask); } @@ -611,46 +621,271 @@ static void is2_entry_set(struct ocelot *ocelot, int ix, default: type = 0; type_mask = 0; - count = vcap_is2->entry_width / 2; + count = vcap->entry_width / 2; /* Iterate over the non-common part of the key and * clear entry data */ - for (i = ocelot->vcap_is2_keys[VCAP_IS2_HK_L2_DMAC].offset; + for (i = vcap->keys[VCAP_IS2_HK_L2_DMAC].offset; i < count; i += ENTRY_WIDTH) { vcap_key_field_set(&data, i, min(32u, count - i), 0, 0); } break; } - vcap_key_set(ocelot, &data, VCAP_IS2_TYPE, type, type_mask); + vcap_key_set(vcap, &data, VCAP_IS2_TYPE, type, type_mask); is2_action_set(ocelot, &data, filter); vcap_data_set(data.counter, data.counter_offset, - vcap_is2->counter_width, filter->stats.pkts); + vcap->counter_width, filter->stats.pkts); /* Write row */ - vcap_entry2cache(ocelot, &data); - vcap_action2cache(ocelot, &data); - vcap_row_cmd(ocelot, row, VCAP_CMD_WRITE, VCAP_SEL_ALL); + vcap_entry2cache(ocelot, vcap, &data); + vcap_action2cache(ocelot, vcap, &data); + vcap_row_cmd(ocelot, vcap, row, VCAP_CMD_WRITE, VCAP_SEL_ALL); +} + +static void is1_action_set(struct ocelot *ocelot, struct vcap_data *data, + const struct ocelot_vcap_filter *filter) +{ + const struct vcap_props *vcap = &ocelot->vcap[VCAP_IS1]; + const struct ocelot_vcap_action *a = &filter->action; + + vcap_action_set(vcap, data, VCAP_IS1_ACT_VID_REPLACE_ENA, + a->vid_replace_ena); + vcap_action_set(vcap, data, VCAP_IS1_ACT_VID_ADD_VAL, a->vid); + vcap_action_set(vcap, data, VCAP_IS1_ACT_VLAN_POP_CNT_ENA, + a->vlan_pop_cnt_ena); + vcap_action_set(vcap, data, VCAP_IS1_ACT_VLAN_POP_CNT, + a->vlan_pop_cnt); + vcap_action_set(vcap, data, VCAP_IS1_ACT_PCP_DEI_ENA, a->pcp_dei_ena); + vcap_action_set(vcap, data, VCAP_IS1_ACT_PCP_VAL, a->pcp); + vcap_action_set(vcap, data, VCAP_IS1_ACT_DEI_VAL, a->dei); + vcap_action_set(vcap, data, VCAP_IS1_ACT_QOS_ENA, a->qos_ena); + vcap_action_set(vcap, data, VCAP_IS1_ACT_QOS_VAL, a->qos_val); + vcap_action_set(vcap, data, VCAP_IS1_ACT_PAG_OVERRIDE_MASK, + a->pag_override_mask); + vcap_action_set(vcap, data, VCAP_IS1_ACT_PAG_VAL, a->pag_val); } -static void is2_entry_get(struct ocelot *ocelot, struct ocelot_vcap_filter *filter, - int ix) +static void is1_entry_set(struct ocelot *ocelot, int ix, + struct ocelot_vcap_filter *filter) { - const struct vcap_props *vcap_is2 = &ocelot->vcap[VCAP_IS2]; + const struct vcap_props *vcap = &ocelot->vcap[VCAP_IS1]; + struct ocelot_vcap_key_vlan *tag = &filter->vlan; + struct ocelot_vcap_u64 payload; struct vcap_data data; - int row = (ix / 2); - u32 cnt; + int row = ix / 2; + u32 type; + + memset(&payload, 0, sizeof(payload)); + memset(&data, 0, sizeof(data)); + + /* Read row */ + vcap_row_cmd(ocelot, vcap, row, VCAP_CMD_READ, VCAP_SEL_ALL); + vcap_cache2entry(ocelot, vcap, &data); + vcap_cache2action(ocelot, vcap, &data); - vcap_row_cmd(ocelot, row, VCAP_CMD_READ, VCAP_SEL_COUNTER); - vcap_cache2action(ocelot, &data); data.tg_sw = VCAP_TG_HALF; - is2_data_get(ocelot, &data, ix); + data.type = IS1_ACTION_TYPE_NORMAL; + vcap_data_offset_get(vcap, &data, ix); + data.tg = (data.tg & ~data.tg_mask); + if (filter->prio != 0) + data.tg |= data.tg_value; + + vcap_key_set(vcap, &data, VCAP_IS1_HK_LOOKUP, filter->lookup, 0x3); + vcap_key_set(vcap, &data, VCAP_IS1_HK_IGR_PORT_MASK, 0, + ~filter->ingress_port_mask); + vcap_key_bit_set(vcap, &data, VCAP_IS1_HK_L2_MC, filter->dmac_mc); + vcap_key_bit_set(vcap, &data, VCAP_IS1_HK_L2_BC, filter->dmac_bc); + vcap_key_bit_set(vcap, &data, VCAP_IS1_HK_VLAN_TAGGED, tag->tagged); + vcap_key_set(vcap, &data, VCAP_IS1_HK_VID, + tag->vid.value, tag->vid.mask); + vcap_key_set(vcap, &data, VCAP_IS1_HK_PCP, + tag->pcp.value[0], tag->pcp.mask[0]); + type = IS1_TYPE_S1_NORMAL; + + switch (filter->key_type) { + case OCELOT_VCAP_KEY_ETYPE: { + struct ocelot_vcap_key_etype *etype = &filter->key.etype; + + vcap_key_bytes_set(vcap, &data, VCAP_IS1_HK_L2_SMAC, + etype->smac.value, etype->smac.mask); + vcap_key_bytes_set(vcap, &data, VCAP_IS1_HK_ETYPE, + etype->etype.value, etype->etype.mask); + break; + } + case OCELOT_VCAP_KEY_IPV4: { + struct ocelot_vcap_key_ipv4 *ipv4 = &filter->key.ipv4; + struct ocelot_vcap_udp_tcp *sport = &ipv4->sport; + struct ocelot_vcap_udp_tcp *dport = &ipv4->dport; + enum ocelot_vcap_bit tcp_udp = OCELOT_VCAP_BIT_0; + struct ocelot_vcap_u8 proto = ipv4->proto; + struct ocelot_vcap_ipv4 sip = ipv4->sip; + u32 val, msk; + + vcap_key_bit_set(vcap, &data, VCAP_IS1_HK_IP_SNAP, + OCELOT_VCAP_BIT_1); + vcap_key_bit_set(vcap, &data, VCAP_IS1_HK_IP4, + OCELOT_VCAP_BIT_1); + vcap_key_bit_set(vcap, &data, VCAP_IS1_HK_ETYPE_LEN, + OCELOT_VCAP_BIT_1); + vcap_key_bytes_set(vcap, &data, VCAP_IS1_HK_L3_IP4_SIP, + sip.value.addr, sip.mask.addr); + + val = proto.value[0]; + msk = proto.mask[0]; + + if ((val == NEXTHDR_TCP || val == NEXTHDR_UDP) && msk == 0xff) + tcp_udp = OCELOT_VCAP_BIT_1; + vcap_key_bit_set(vcap, &data, VCAP_IS1_HK_TCP_UDP, tcp_udp); + + if (tcp_udp) { + enum ocelot_vcap_bit tcp = OCELOT_VCAP_BIT_0; + + if (val == NEXTHDR_TCP) + tcp = OCELOT_VCAP_BIT_1; + + vcap_key_bit_set(vcap, &data, VCAP_IS1_HK_TCP, tcp); + vcap_key_l4_port_set(vcap, &data, VCAP_IS1_HK_L4_SPORT, + sport); + /* Overloaded field */ + vcap_key_l4_port_set(vcap, &data, VCAP_IS1_HK_ETYPE, + dport); + } else { + /* IPv4 "other" frame */ + struct ocelot_vcap_u16 etype = {0}; + + /* Overloaded field */ + etype.value[0] = proto.value[0]; + etype.mask[0] = proto.mask[0]; + + vcap_key_bytes_set(vcap, &data, VCAP_IS1_HK_ETYPE, + etype.value, etype.mask); + } + } + default: + break; + } + vcap_key_bit_set(vcap, &data, VCAP_IS1_HK_TYPE, + type ? OCELOT_VCAP_BIT_1 : OCELOT_VCAP_BIT_0); + + is1_action_set(ocelot, &data, filter); + vcap_data_set(data.counter, data.counter_offset, + vcap->counter_width, filter->stats.pkts); + + /* Write row */ + vcap_entry2cache(ocelot, vcap, &data); + vcap_action2cache(ocelot, vcap, &data); + vcap_row_cmd(ocelot, vcap, row, VCAP_CMD_WRITE, VCAP_SEL_ALL); +} + +static void es0_action_set(struct ocelot *ocelot, struct vcap_data *data, + const struct ocelot_vcap_filter *filter) +{ + const struct vcap_props *vcap = &ocelot->vcap[VCAP_ES0]; + const struct ocelot_vcap_action *a = &filter->action; + + vcap_action_set(vcap, data, VCAP_ES0_ACT_PUSH_OUTER_TAG, + a->push_outer_tag); + vcap_action_set(vcap, data, VCAP_ES0_ACT_PUSH_INNER_TAG, + a->push_inner_tag); + vcap_action_set(vcap, data, VCAP_ES0_ACT_TAG_A_TPID_SEL, + a->tag_a_tpid_sel); + vcap_action_set(vcap, data, VCAP_ES0_ACT_TAG_A_VID_SEL, + a->tag_a_vid_sel); + vcap_action_set(vcap, data, VCAP_ES0_ACT_TAG_A_PCP_SEL, + a->tag_a_pcp_sel); + vcap_action_set(vcap, data, VCAP_ES0_ACT_VID_A_VAL, a->vid_a_val); + vcap_action_set(vcap, data, VCAP_ES0_ACT_PCP_A_VAL, a->pcp_a_val); + vcap_action_set(vcap, data, VCAP_ES0_ACT_TAG_B_TPID_SEL, + a->tag_b_tpid_sel); + vcap_action_set(vcap, data, VCAP_ES0_ACT_TAG_B_VID_SEL, + a->tag_b_vid_sel); + vcap_action_set(vcap, data, VCAP_ES0_ACT_TAG_B_PCP_SEL, + a->tag_b_pcp_sel); + vcap_action_set(vcap, data, VCAP_ES0_ACT_VID_B_VAL, a->vid_b_val); + vcap_action_set(vcap, data, VCAP_ES0_ACT_PCP_B_VAL, a->pcp_b_val); +} + +static void es0_entry_set(struct ocelot *ocelot, int ix, + struct ocelot_vcap_filter *filter) +{ + const struct vcap_props *vcap = &ocelot->vcap[VCAP_ES0]; + struct ocelot_vcap_key_vlan *tag = &filter->vlan; + struct ocelot_vcap_u64 payload; + struct vcap_data data; + int row = ix; + + memset(&payload, 0, sizeof(payload)); + memset(&data, 0, sizeof(data)); + + /* Read row */ + vcap_row_cmd(ocelot, vcap, row, VCAP_CMD_READ, VCAP_SEL_ALL); + vcap_cache2entry(ocelot, vcap, &data); + vcap_cache2action(ocelot, vcap, &data); + + data.tg_sw = VCAP_TG_FULL; + data.type = ES0_ACTION_TYPE_NORMAL; + vcap_data_offset_get(vcap, &data, ix); + data.tg = (data.tg & ~data.tg_mask); + if (filter->prio != 0) + data.tg |= data.tg_value; + + vcap_key_set(vcap, &data, VCAP_ES0_IGR_PORT, filter->ingress_port.value, + filter->ingress_port.mask); + vcap_key_set(vcap, &data, VCAP_ES0_EGR_PORT, filter->egress_port.value, + filter->egress_port.mask); + vcap_key_bit_set(vcap, &data, VCAP_ES0_L2_MC, filter->dmac_mc); + vcap_key_bit_set(vcap, &data, VCAP_ES0_L2_BC, filter->dmac_bc); + vcap_key_set(vcap, &data, VCAP_ES0_VID, + tag->vid.value, tag->vid.mask); + vcap_key_set(vcap, &data, VCAP_ES0_PCP, + tag->pcp.value[0], tag->pcp.mask[0]); + + es0_action_set(ocelot, &data, filter); + vcap_data_set(data.counter, data.counter_offset, + vcap->counter_width, filter->stats.pkts); + + /* Write row */ + vcap_entry2cache(ocelot, vcap, &data); + vcap_action2cache(ocelot, vcap, &data); + vcap_row_cmd(ocelot, vcap, row, VCAP_CMD_WRITE, VCAP_SEL_ALL); +} + +static void vcap_entry_get(struct ocelot *ocelot, int ix, + struct ocelot_vcap_filter *filter) +{ + const struct vcap_props *vcap = &ocelot->vcap[filter->block_id]; + struct vcap_data data; + int row, count; + u32 cnt; + + if (filter->block_id == VCAP_ES0) + data.tg_sw = VCAP_TG_FULL; + else + data.tg_sw = VCAP_TG_HALF; + + count = (1 << (data.tg_sw - 1)); + row = (ix / count); + vcap_row_cmd(ocelot, vcap, row, VCAP_CMD_READ, VCAP_SEL_COUNTER); + vcap_cache2action(ocelot, vcap, &data); + vcap_data_offset_get(vcap, &data, ix); cnt = vcap_data_get(data.counter, data.counter_offset, - vcap_is2->counter_width); + vcap->counter_width); filter->stats.pkts = cnt; } +static void vcap_entry_set(struct ocelot *ocelot, int ix, + struct ocelot_vcap_filter *filter) +{ + if (filter->block_id == VCAP_IS1) + return is1_entry_set(ocelot, ix, filter); + if (filter->block_id == VCAP_IS2) + return is2_entry_set(ocelot, ix, filter); + if (filter->block_id == VCAP_ES0) + return es0_entry_set(ocelot, ix, filter); +} + static int ocelot_vcap_policer_add(struct ocelot *ocelot, u32 pol_ix, struct ocelot_policer *pol) { @@ -679,11 +914,12 @@ static void ocelot_vcap_policer_del(struct ocelot *ocelot, list_for_each_entry(filter, &block->rules, list) { index++; - if (filter->action == OCELOT_VCAP_ACTION_POLICE && - filter->pol_ix < pol_ix) { - filter->pol_ix += 1; - ocelot_vcap_policer_add(ocelot, filter->pol_ix, - &filter->pol); + if (filter->block_id == VCAP_IS2 && + filter->action.police_ena && + filter->action.pol_ix < pol_ix) { + filter->action.pol_ix += 1; + ocelot_vcap_policer_add(ocelot, filter->action.pol_ix, + &filter->action.pol); is2_entry_set(ocelot, index, filter); } } @@ -701,10 +937,11 @@ static void ocelot_vcap_filter_add_to_block(struct ocelot *ocelot, struct ocelot_vcap_filter *tmp; struct list_head *pos, *n; - if (filter->action == OCELOT_VCAP_ACTION_POLICE) { + if (filter->block_id == VCAP_IS2 && filter->action.police_ena) { block->pol_lpr--; - filter->pol_ix = block->pol_lpr; - ocelot_vcap_policer_add(ocelot, filter->pol_ix, &filter->pol); + filter->action.pol_ix = block->pol_lpr; + ocelot_vcap_policer_add(ocelot, filter->action.pol_ix, + &filter->action.pol); } block->count++; @@ -726,19 +963,20 @@ static int ocelot_vcap_block_get_filter_index(struct ocelot_vcap_block *block, struct ocelot_vcap_filter *filter) { struct ocelot_vcap_filter *tmp; - int index = -1; + int index = 0; list_for_each_entry(tmp, &block->rules, list) { - ++index; if (filter->id == tmp->id) - break; + return index; + index++; } - return index; + + return -ENOENT; } static struct ocelot_vcap_filter* -ocelot_vcap_block_find_filter(struct ocelot_vcap_block *block, - int index) +ocelot_vcap_block_find_filter_by_index(struct ocelot_vcap_block *block, + int index) { struct ocelot_vcap_filter *tmp; int i = 0; @@ -752,6 +990,18 @@ ocelot_vcap_block_find_filter(struct ocelot_vcap_block *block, return NULL; } +struct ocelot_vcap_filter * +ocelot_vcap_block_find_filter_by_id(struct ocelot_vcap_block *block, int id) +{ + struct ocelot_vcap_filter *filter; + + list_for_each_entry(filter, &block->rules, list) + if (filter->id == id) + return filter; + + return NULL; +} + /* If @on=false, then SNAP, ARP, IP and OAM frames will not match on keys based * on destination and source MAC addresses, but only on higher-level protocol * information. The only frame types to match on keys containing MAC addresses @@ -763,23 +1013,23 @@ ocelot_vcap_block_find_filter(struct ocelot_vcap_block *block, * on any _other_ keys than MAC_ETYPE ones. */ static void ocelot_match_all_as_mac_etype(struct ocelot *ocelot, int port, - bool on) + int lookup, bool on) { u32 val = 0; if (on) - val = ANA_PORT_VCAP_S2_CFG_S2_SNAP_DIS(3) | - ANA_PORT_VCAP_S2_CFG_S2_ARP_DIS(3) | - ANA_PORT_VCAP_S2_CFG_S2_IP_TCPUDP_DIS(3) | - ANA_PORT_VCAP_S2_CFG_S2_IP_OTHER_DIS(3) | - ANA_PORT_VCAP_S2_CFG_S2_OAM_DIS(3); + val = ANA_PORT_VCAP_S2_CFG_S2_SNAP_DIS(BIT(lookup)) | + ANA_PORT_VCAP_S2_CFG_S2_ARP_DIS(BIT(lookup)) | + ANA_PORT_VCAP_S2_CFG_S2_IP_TCPUDP_DIS(BIT(lookup)) | + ANA_PORT_VCAP_S2_CFG_S2_IP_OTHER_DIS(BIT(lookup)) | + ANA_PORT_VCAP_S2_CFG_S2_OAM_DIS(BIT(lookup)); ocelot_rmw_gix(ocelot, val, - ANA_PORT_VCAP_S2_CFG_S2_SNAP_DIS_M | - ANA_PORT_VCAP_S2_CFG_S2_ARP_DIS_M | - ANA_PORT_VCAP_S2_CFG_S2_IP_TCPUDP_DIS_M | - ANA_PORT_VCAP_S2_CFG_S2_IP_OTHER_DIS_M | - ANA_PORT_VCAP_S2_CFG_S2_OAM_DIS_M, + ANA_PORT_VCAP_S2_CFG_S2_SNAP_DIS(BIT(lookup)) | + ANA_PORT_VCAP_S2_CFG_S2_ARP_DIS(BIT(lookup)) | + ANA_PORT_VCAP_S2_CFG_S2_IP_TCPUDP_DIS(BIT(lookup)) | + ANA_PORT_VCAP_S2_CFG_S2_IP_OTHER_DIS(BIT(lookup)) | + ANA_PORT_VCAP_S2_CFG_S2_OAM_DIS(BIT(lookup)), ANA_PORT_VCAP_S2_CFG, port); } @@ -825,35 +1075,43 @@ static bool ocelot_exclusive_mac_etype_filter_rules(struct ocelot *ocelot, struct ocelot_vcap_filter *filter) { - struct ocelot_vcap_block *block = &ocelot->block; + struct ocelot_vcap_block *block = &ocelot->block[filter->block_id]; struct ocelot_vcap_filter *tmp; unsigned long port; int i; + /* We only have the S2_IP_TCPUDP_DIS set of knobs for VCAP IS2 */ + if (filter->block_id != VCAP_IS2) + return true; + if (ocelot_vcap_is_problematic_mac_etype(filter)) { /* Search for any non-MAC_ETYPE rules on the port */ for (i = 0; i < block->count; i++) { - tmp = ocelot_vcap_block_find_filter(block, i); + tmp = ocelot_vcap_block_find_filter_by_index(block, i); if (tmp->ingress_port_mask & filter->ingress_port_mask && + tmp->lookup == filter->lookup && ocelot_vcap_is_problematic_non_mac_etype(tmp)) return false; } for_each_set_bit(port, &filter->ingress_port_mask, ocelot->num_phys_ports) - ocelot_match_all_as_mac_etype(ocelot, port, true); + ocelot_match_all_as_mac_etype(ocelot, port, + filter->lookup, true); } else if (ocelot_vcap_is_problematic_non_mac_etype(filter)) { /* Search for any MAC_ETYPE rules on the port */ for (i = 0; i < block->count; i++) { - tmp = ocelot_vcap_block_find_filter(block, i); + tmp = ocelot_vcap_block_find_filter_by_index(block, i); if (tmp->ingress_port_mask & filter->ingress_port_mask && + tmp->lookup == filter->lookup && ocelot_vcap_is_problematic_mac_etype(tmp)) return false; } for_each_set_bit(port, &filter->ingress_port_mask, ocelot->num_phys_ports) - ocelot_match_all_as_mac_etype(ocelot, port, false); + ocelot_match_all_as_mac_etype(ocelot, port, + filter->lookup, false); } return true; @@ -863,12 +1121,12 @@ int ocelot_vcap_filter_add(struct ocelot *ocelot, struct ocelot_vcap_filter *filter, struct netlink_ext_ack *extack) { - struct ocelot_vcap_block *block = &ocelot->block; + struct ocelot_vcap_block *block = &ocelot->block[filter->block_id]; int i, index; if (!ocelot_exclusive_mac_etype_filter_rules(ocelot, filter)) { NL_SET_ERR_MSG_MOD(extack, - "Cannot mix MAC_ETYPE with non-MAC_ETYPE rules"); + "Cannot mix MAC_ETYPE with non-MAC_ETYPE rules, use the other IS2 lookup"); return -EBUSY; } @@ -877,17 +1135,19 @@ int ocelot_vcap_filter_add(struct ocelot *ocelot, /* Get the index of the inserted filter */ index = ocelot_vcap_block_get_filter_index(block, filter); + if (index < 0) + return index; /* Move down the rules to make place for the new filter */ for (i = block->count - 1; i > index; i--) { struct ocelot_vcap_filter *tmp; - tmp = ocelot_vcap_block_find_filter(block, i); - is2_entry_set(ocelot, i, tmp); + tmp = ocelot_vcap_block_find_filter_by_index(block, i); + vcap_entry_set(ocelot, i, tmp); } /* Now insert the new filter */ - is2_entry_set(ocelot, index, filter); + vcap_entry_set(ocelot, index, filter); return 0; } @@ -901,9 +1161,10 @@ static void ocelot_vcap_block_remove_filter(struct ocelot *ocelot, list_for_each_safe(pos, q, &block->rules) { tmp = list_entry(pos, struct ocelot_vcap_filter, list); if (tmp->id == filter->id) { - if (tmp->action == OCELOT_VCAP_ACTION_POLICE) + if (tmp->block_id == VCAP_IS2 && + tmp->action.police_ena) ocelot_vcap_policer_del(ocelot, block, - tmp->pol_ix); + tmp->action.pol_ix); list_del(pos); kfree(tmp); @@ -916,7 +1177,7 @@ static void ocelot_vcap_block_remove_filter(struct ocelot *ocelot, int ocelot_vcap_filter_del(struct ocelot *ocelot, struct ocelot_vcap_filter *filter) { - struct ocelot_vcap_block *block = &ocelot->block; + struct ocelot_vcap_block *block = &ocelot->block[filter->block_id]; struct ocelot_vcap_filter del_filter; int i, index; @@ -924,6 +1185,8 @@ int ocelot_vcap_filter_del(struct ocelot *ocelot, /* Gets index of the filter */ index = ocelot_vcap_block_get_filter_index(block, filter); + if (index < 0) + return index; /* Delete filter */ ocelot_vcap_block_remove_filter(ocelot, block, filter); @@ -932,12 +1195,12 @@ int ocelot_vcap_filter_del(struct ocelot *ocelot, for (i = index; i < block->count; i++) { struct ocelot_vcap_filter *tmp; - tmp = ocelot_vcap_block_find_filter(block, i); - is2_entry_set(ocelot, i, tmp); + tmp = ocelot_vcap_block_find_filter_by_index(block, i); + vcap_entry_set(ocelot, i, tmp); } /* Now delete the last filter, because it is duplicated */ - is2_entry_set(ocelot, block->count, &del_filter); + vcap_entry_set(ocelot, block->count, &del_filter); return 0; } @@ -945,37 +1208,115 @@ int ocelot_vcap_filter_del(struct ocelot *ocelot, int ocelot_vcap_filter_stats_update(struct ocelot *ocelot, struct ocelot_vcap_filter *filter) { - struct ocelot_vcap_block *block = &ocelot->block; - struct ocelot_vcap_filter *tmp; + struct ocelot_vcap_block *block = &ocelot->block[filter->block_id]; + struct ocelot_vcap_filter tmp; int index; index = ocelot_vcap_block_get_filter_index(block, filter); - is2_entry_get(ocelot, filter, index); + if (index < 0) + return index; + + vcap_entry_get(ocelot, index, filter); /* After we get the result we need to clear the counters */ - tmp = ocelot_vcap_block_find_filter(block, index); - tmp->stats.pkts = 0; - is2_entry_set(ocelot, index, tmp); + tmp = *filter; + tmp.stats.pkts = 0; + vcap_entry_set(ocelot, index, &tmp); return 0; } -int ocelot_vcap_init(struct ocelot *ocelot) +static void ocelot_vcap_init_one(struct ocelot *ocelot, + const struct vcap_props *vcap) { - const struct vcap_props *vcap_is2 = &ocelot->vcap[VCAP_IS2]; - struct ocelot_vcap_block *block = &ocelot->block; struct vcap_data data; memset(&data, 0, sizeof(data)); - vcap_entry2cache(ocelot, &data); - ocelot_write(ocelot, vcap_is2->entry_count, S2_CORE_MV_CFG); - vcap_cmd(ocelot, 0, VCAP_CMD_INITIALIZE, VCAP_SEL_ENTRY); + vcap_entry2cache(ocelot, vcap, &data); + ocelot_target_write(ocelot, vcap->target, vcap->entry_count, + VCAP_CORE_MV_CFG); + vcap_cmd(ocelot, vcap, 0, VCAP_CMD_INITIALIZE, VCAP_SEL_ENTRY); - vcap_action2cache(ocelot, &data); - ocelot_write(ocelot, vcap_is2->action_count, S2_CORE_MV_CFG); - vcap_cmd(ocelot, 0, VCAP_CMD_INITIALIZE, + vcap_action2cache(ocelot, vcap, &data); + ocelot_target_write(ocelot, vcap->target, vcap->action_count, + VCAP_CORE_MV_CFG); + vcap_cmd(ocelot, vcap, 0, VCAP_CMD_INITIALIZE, VCAP_SEL_ACTION | VCAP_SEL_COUNTER); +} + +static void ocelot_vcap_detect_constants(struct ocelot *ocelot, + struct vcap_props *vcap) +{ + int counter_memory_width; + int num_default_actions; + int version; + + version = ocelot_target_read(ocelot, vcap->target, + VCAP_CONST_VCAP_VER); + /* Only version 0 VCAP supported for now */ + if (WARN_ON(version != 0)) + return; + + /* Width in bits of type-group field */ + vcap->tg_width = ocelot_target_read(ocelot, vcap->target, + VCAP_CONST_ENTRY_TG_WIDTH); + /* Number of subwords per TCAM row */ + vcap->sw_count = ocelot_target_read(ocelot, vcap->target, + VCAP_CONST_ENTRY_SWCNT); + /* Number of rows in TCAM. There can be this many full keys, or double + * this number half keys, or 4 times this number quarter keys. + */ + vcap->entry_count = ocelot_target_read(ocelot, vcap->target, + VCAP_CONST_ENTRY_CNT); + /* Assuming there are 4 subwords per TCAM row, their layout in the + * actual TCAM (not in the cache) would be: + * + * | SW 3 | TG 3 | SW 2 | TG 2 | SW 1 | TG 1 | SW 0 | TG 0 | + * + * (where SW=subword and TG=Type-Group). + * + * What VCAP_CONST_ENTRY_CNT is giving us is the width of one full TCAM + * row. But when software accesses the TCAM through the cache + * registers, the Type-Group values are written through another set of + * registers VCAP_TG_DAT, and therefore, it appears as though the 4 + * subwords are contiguous in the cache memory. + * Important mention: regardless of the number of key entries per row + * (and therefore of key size: 1 full key or 2 half keys or 4 quarter + * keys), software always has to configure 4 Type-Group values. For + * example, in the case of 1 full key, the driver needs to set all 4 + * Type-Group to be full key. + * + * For this reason, we need to fix up the value that the hardware is + * giving us. We don't actually care about the width of the entry in + * the TCAM. What we care about is the width of the entry in the cache + * registers, which is how we get to interact with it. And since the + * VCAP_ENTRY_DAT cache registers access only the subwords and not the + * Type-Groups, this means we need to subtract the width of the + * Type-Groups when packing and unpacking key entry data in a TCAM row. + */ + vcap->entry_width = ocelot_target_read(ocelot, vcap->target, + VCAP_CONST_ENTRY_WIDTH); + vcap->entry_width -= vcap->tg_width * vcap->sw_count; + num_default_actions = ocelot_target_read(ocelot, vcap->target, + VCAP_CONST_ACTION_DEF_CNT); + vcap->action_count = vcap->entry_count + num_default_actions; + vcap->action_width = ocelot_target_read(ocelot, vcap->target, + VCAP_CONST_ACTION_WIDTH); + /* The width of the counter memory, this is the complete width of all + * counter-fields associated with one full-word entry. There is one + * counter per entry sub-word (see CAP_CORE::ENTRY_SWCNT for number of + * subwords.) + */ + vcap->counter_words = vcap->sw_count; + counter_memory_width = ocelot_target_read(ocelot, vcap->target, + VCAP_CONST_CNT_WIDTH); + vcap->counter_width = counter_memory_width / vcap->counter_words; +} + +int ocelot_vcap_init(struct ocelot *ocelot) +{ + int i; /* Create a policer that will drop the frames for the cpu. * This policer will be used as action in the acl rules to drop @@ -992,9 +1333,18 @@ int ocelot_vcap_init(struct ocelot *ocelot) ocelot_write_gix(ocelot, 0x3fffff, ANA_POL_CIR_STATE, OCELOT_POLICER_DISCARD); - block->pol_lpr = OCELOT_POLICER_DISCARD - 1; + for (i = 0; i < OCELOT_NUM_VCAP_BLOCKS; i++) { + struct ocelot_vcap_block *block = &ocelot->block[i]; + struct vcap_props *vcap = &ocelot->vcap[i]; + + INIT_LIST_HEAD(&block->rules); + block->pol_lpr = OCELOT_POLICER_DISCARD - 1; + + ocelot_vcap_detect_constants(ocelot, vcap); + ocelot_vcap_init_one(ocelot, vcap); + } - INIT_LIST_HEAD(&ocelot->block.rules); + INIT_LIST_HEAD(&ocelot->dummy_rules); return 0; } |