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-rw-r--r--drivers/net/dsa/ocelot/felix_vsc9959.c443
-rw-r--r--include/soc/mscc/ocelot.h8
-rw-r--r--include/soc/mscc/ocelot_ana.h10
3 files changed, 451 insertions, 10 deletions
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index 45c5ec7a83ea..d643e926d1bd 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -5,6 +5,7 @@
#include <linux/fsl/enetc_mdio.h>
#include <soc/mscc/ocelot_qsys.h>
#include <soc/mscc/ocelot_vcap.h>
+#include <soc/mscc/ocelot_ana.h>
#include <soc/mscc/ocelot_ptp.h>
#include <soc/mscc/ocelot_sys.h>
#include <soc/mscc/ocelot.h>
@@ -292,7 +293,7 @@ static const u32 vsc9959_sys_regmap[] = {
REG_RESERVED(SYS_MMGT_FAST),
REG_RESERVED(SYS_EVENTS_DIF),
REG_RESERVED(SYS_EVENTS_CORE),
- REG_RESERVED(SYS_CNT),
+ REG(SYS_CNT, 0x000000),
REG(SYS_PTP_STATUS, 0x000f14),
REG(SYS_PTP_TXSTAMP, 0x000f18),
REG(SYS_PTP_NXT, 0x000f1c),
@@ -1020,15 +1021,6 @@ static void vsc9959_wm_stat(u32 val, u32 *inuse, u32 *maxuse)
*maxuse = val & GENMASK(11, 0);
}
-static const struct ocelot_ops vsc9959_ops = {
- .reset = vsc9959_reset,
- .wm_enc = vsc9959_wm_enc,
- .wm_dec = vsc9959_wm_dec,
- .wm_stat = vsc9959_wm_stat,
- .port_to_netdev = felix_port_to_netdev,
- .netdev_to_port = felix_netdev_to_port,
-};
-
static int vsc9959_mdio_bus_alloc(struct ocelot *ocelot)
{
struct felix *felix = ocelot_to_felix(ocelot);
@@ -1344,6 +1336,437 @@ static int vsc9959_port_setup_tc(struct dsa_switch *ds, int port,
}
}
+#define VSC9959_PSFP_SFID_MAX 175
+#define VSC9959_PSFP_GATE_ID_MAX 183
+#define VSC9959_PSFP_POLICER_MAX 383
+
+struct felix_stream {
+ struct list_head list;
+ unsigned long id;
+ u8 dmac[ETH_ALEN];
+ u16 vid;
+ s8 prio;
+ u8 sfid_valid;
+ u8 ssid_valid;
+ u32 sfid;
+ u32 ssid;
+};
+
+struct felix_stream_filter {
+ struct list_head list;
+ refcount_t refcount;
+ u32 index;
+ u8 enable;
+ u8 sg_valid;
+ u32 sgid;
+ u8 fm_valid;
+ u32 fmid;
+ u8 prio_valid;
+ u8 prio;
+ u32 maxsdu;
+};
+
+struct felix_stream_filter_counters {
+ u32 match;
+ u32 not_pass_gate;
+ u32 not_pass_sdu;
+ u32 red;
+};
+
+static int vsc9959_stream_identify(struct flow_cls_offload *f,
+ struct felix_stream *stream)
+{
+ struct flow_rule *rule = flow_cls_offload_flow_rule(f);
+ struct flow_dissector *dissector = rule->match.dissector;
+
+ if (dissector->used_keys &
+ ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) |
+ BIT(FLOW_DISSECTOR_KEY_BASIC) |
+ BIT(FLOW_DISSECTOR_KEY_VLAN) |
+ BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS)))
+ return -EOPNOTSUPP;
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
+ struct flow_match_eth_addrs match;
+
+ flow_rule_match_eth_addrs(rule, &match);
+ ether_addr_copy(stream->dmac, match.key->dst);
+ if (!is_zero_ether_addr(match.mask->src))
+ return -EOPNOTSUPP;
+ } else {
+ return -EOPNOTSUPP;
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
+ struct flow_match_vlan match;
+
+ flow_rule_match_vlan(rule, &match);
+ if (match.mask->vlan_priority)
+ stream->prio = match.key->vlan_priority;
+ else
+ stream->prio = -1;
+
+ if (!match.mask->vlan_id)
+ return -EOPNOTSUPP;
+ stream->vid = match.key->vlan_id;
+ } else {
+ return -EOPNOTSUPP;
+ }
+
+ stream->id = f->cookie;
+
+ return 0;
+}
+
+static int vsc9959_mact_stream_set(struct ocelot *ocelot,
+ struct felix_stream *stream,
+ struct netlink_ext_ack *extack)
+{
+ enum macaccess_entry_type type;
+ int ret, sfid, ssid;
+ u32 vid, dst_idx;
+ u8 mac[ETH_ALEN];
+
+ ether_addr_copy(mac, stream->dmac);
+ vid = stream->vid;
+
+ /* Stream identification desn't support to add a stream with non
+ * existent MAC (The MAC entry has not been learned in MAC table).
+ */
+ ret = ocelot_mact_lookup(ocelot, &dst_idx, mac, vid, &type);
+ if (ret) {
+ if (extack)
+ NL_SET_ERR_MSG_MOD(extack, "Stream is not learned in MAC table");
+ return -EOPNOTSUPP;
+ }
+
+ if ((stream->sfid_valid || stream->ssid_valid) &&
+ type == ENTRYTYPE_NORMAL)
+ type = ENTRYTYPE_LOCKED;
+
+ sfid = stream->sfid_valid ? stream->sfid : -1;
+ ssid = stream->ssid_valid ? stream->ssid : -1;
+
+ ret = ocelot_mact_learn_streamdata(ocelot, dst_idx, mac, vid, type,
+ sfid, ssid);
+
+ return ret;
+}
+
+static struct felix_stream *
+vsc9959_stream_table_lookup(struct list_head *stream_list,
+ struct felix_stream *stream)
+{
+ struct felix_stream *tmp;
+
+ list_for_each_entry(tmp, stream_list, list)
+ if (ether_addr_equal(tmp->dmac, stream->dmac) &&
+ tmp->vid == stream->vid)
+ return tmp;
+
+ return NULL;
+}
+
+static int vsc9959_stream_table_add(struct ocelot *ocelot,
+ struct list_head *stream_list,
+ struct felix_stream *stream,
+ struct netlink_ext_ack *extack)
+{
+ struct felix_stream *stream_entry;
+ int ret;
+
+ stream_entry = kzalloc(sizeof(*stream_entry), GFP_KERNEL);
+ if (!stream_entry)
+ return -ENOMEM;
+
+ memcpy(stream_entry, stream, sizeof(*stream_entry));
+
+ ret = vsc9959_mact_stream_set(ocelot, stream_entry, extack);
+ if (ret) {
+ kfree(stream_entry);
+ return ret;
+ }
+
+ list_add_tail(&stream_entry->list, stream_list);
+
+ return 0;
+}
+
+static struct felix_stream *
+vsc9959_stream_table_get(struct list_head *stream_list, unsigned long id)
+{
+ struct felix_stream *tmp;
+
+ list_for_each_entry(tmp, stream_list, list)
+ if (tmp->id == id)
+ return tmp;
+
+ return NULL;
+}
+
+static void vsc9959_stream_table_del(struct ocelot *ocelot,
+ struct felix_stream *stream)
+{
+ vsc9959_mact_stream_set(ocelot, stream, NULL);
+
+ list_del(&stream->list);
+ kfree(stream);
+}
+
+static u32 vsc9959_sfi_access_status(struct ocelot *ocelot)
+{
+ return ocelot_read(ocelot, ANA_TABLES_SFIDACCESS);
+}
+
+static int vsc9959_psfp_sfi_set(struct ocelot *ocelot,
+ struct felix_stream_filter *sfi)
+{
+ u32 val;
+
+ if (sfi->index > VSC9959_PSFP_SFID_MAX)
+ return -EINVAL;
+
+ if (!sfi->enable) {
+ ocelot_write(ocelot, ANA_TABLES_SFIDTIDX_SFID_INDEX(sfi->index),
+ ANA_TABLES_SFIDTIDX);
+
+ val = ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(SFIDACCESS_CMD_WRITE);
+ ocelot_write(ocelot, val, ANA_TABLES_SFIDACCESS);
+
+ return readx_poll_timeout(vsc9959_sfi_access_status, ocelot, val,
+ (!ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(val)),
+ 10, 100000);
+ }
+
+ if (sfi->sgid > VSC9959_PSFP_GATE_ID_MAX ||
+ sfi->fmid > VSC9959_PSFP_POLICER_MAX)
+ return -EINVAL;
+
+ ocelot_write(ocelot,
+ (sfi->sg_valid ? ANA_TABLES_SFIDTIDX_SGID_VALID : 0) |
+ ANA_TABLES_SFIDTIDX_SGID(sfi->sgid) |
+ (sfi->fm_valid ? ANA_TABLES_SFIDTIDX_POL_ENA : 0) |
+ ANA_TABLES_SFIDTIDX_POL_IDX(sfi->fmid) |
+ ANA_TABLES_SFIDTIDX_SFID_INDEX(sfi->index),
+ ANA_TABLES_SFIDTIDX);
+
+ ocelot_write(ocelot,
+ (sfi->prio_valid ? ANA_TABLES_SFIDACCESS_IGR_PRIO_MATCH_ENA : 0) |
+ ANA_TABLES_SFIDACCESS_IGR_PRIO(sfi->prio) |
+ ANA_TABLES_SFIDACCESS_MAX_SDU_LEN(sfi->maxsdu) |
+ ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(SFIDACCESS_CMD_WRITE),
+ ANA_TABLES_SFIDACCESS);
+
+ return readx_poll_timeout(vsc9959_sfi_access_status, ocelot, val,
+ (!ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(val)),
+ 10, 100000);
+}
+
+static int vsc9959_psfp_sfi_table_add(struct ocelot *ocelot,
+ struct felix_stream_filter *sfi)
+{
+ struct felix_stream_filter *sfi_entry, *tmp;
+ struct list_head *pos, *q, *last;
+ struct ocelot_psfp_list *psfp;
+ u32 insert = 0;
+ int ret;
+
+ psfp = &ocelot->psfp;
+ last = &psfp->sfi_list;
+
+ list_for_each_safe(pos, q, &psfp->sfi_list) {
+ tmp = list_entry(pos, struct felix_stream_filter, list);
+ if (sfi->sg_valid == tmp->sg_valid &&
+ sfi->fm_valid == tmp->fm_valid &&
+ tmp->sgid == sfi->sgid &&
+ tmp->fmid == sfi->fmid) {
+ sfi->index = tmp->index;
+ refcount_inc(&tmp->refcount);
+ return 0;
+ }
+ /* Make sure that the index is increasing in order. */
+ if (tmp->index == insert) {
+ last = pos;
+ insert++;
+ }
+ }
+ sfi->index = insert;
+
+ sfi_entry = kzalloc(sizeof(*sfi_entry), GFP_KERNEL);
+ if (!sfi_entry)
+ return -ENOMEM;
+
+ memcpy(sfi_entry, sfi, sizeof(*sfi_entry));
+ refcount_set(&sfi_entry->refcount, 1);
+
+ ret = vsc9959_psfp_sfi_set(ocelot, sfi_entry);
+ if (ret) {
+ kfree(sfi_entry);
+ return ret;
+ }
+
+ list_add(&sfi_entry->list, last);
+
+ return 0;
+}
+
+static void vsc9959_psfp_sfi_table_del(struct ocelot *ocelot, u32 index)
+{
+ struct felix_stream_filter *tmp, *n;
+ struct ocelot_psfp_list *psfp;
+ u8 z;
+
+ psfp = &ocelot->psfp;
+
+ list_for_each_entry_safe(tmp, n, &psfp->sfi_list, list)
+ if (tmp->index == index) {
+ z = refcount_dec_and_test(&tmp->refcount);
+ if (z) {
+ tmp->enable = 0;
+ vsc9959_psfp_sfi_set(ocelot, tmp);
+ list_del(&tmp->list);
+ kfree(tmp);
+ }
+ break;
+ }
+}
+
+static void vsc9959_psfp_counters_get(struct ocelot *ocelot, u32 index,
+ struct felix_stream_filter_counters *counters)
+{
+ ocelot_rmw(ocelot, SYS_STAT_CFG_STAT_VIEW(index),
+ SYS_STAT_CFG_STAT_VIEW_M,
+ SYS_STAT_CFG);
+
+ counters->match = ocelot_read_gix(ocelot, SYS_CNT, 0x200);
+ counters->not_pass_gate = ocelot_read_gix(ocelot, SYS_CNT, 0x201);
+ counters->not_pass_sdu = ocelot_read_gix(ocelot, SYS_CNT, 0x202);
+ counters->red = ocelot_read_gix(ocelot, SYS_CNT, 0x203);
+
+ /* Clear the PSFP counter. */
+ ocelot_write(ocelot,
+ SYS_STAT_CFG_STAT_VIEW(index) |
+ SYS_STAT_CFG_STAT_CLEAR_SHOT(0x10),
+ SYS_STAT_CFG);
+}
+
+static int vsc9959_psfp_filter_add(struct ocelot *ocelot,
+ struct flow_cls_offload *f)
+{
+ struct netlink_ext_ack *extack = f->common.extack;
+ struct felix_stream_filter sfi = {0};
+ const struct flow_action_entry *a;
+ struct felix_stream *stream_entry;
+ struct felix_stream stream = {0};
+ struct ocelot_psfp_list *psfp;
+ int ret, i;
+
+ psfp = &ocelot->psfp;
+
+ ret = vsc9959_stream_identify(f, &stream);
+ if (ret) {
+ NL_SET_ERR_MSG_MOD(extack, "Only can match on VID, PCP, and dest MAC");
+ return ret;
+ }
+
+ flow_action_for_each(i, a, &f->rule->action) {
+ switch (a->id) {
+ case FLOW_ACTION_GATE:
+ case FLOW_ACTION_POLICE:
+ default:
+ return -EOPNOTSUPP;
+ }
+ }
+
+ /* Check if stream is set. */
+ stream_entry = vsc9959_stream_table_lookup(&psfp->stream_list, &stream);
+ if (stream_entry) {
+ NL_SET_ERR_MSG_MOD(extack, "This stream is already added");
+ return -EEXIST;
+ }
+
+ sfi.prio_valid = (stream.prio < 0 ? 0 : 1);
+ sfi.prio = (sfi.prio_valid ? stream.prio : 0);
+ sfi.enable = 1;
+
+ ret = vsc9959_psfp_sfi_table_add(ocelot, &sfi);
+ if (ret)
+ return ret;
+
+ stream.sfid = sfi.index;
+ stream.sfid_valid = 1;
+ ret = vsc9959_stream_table_add(ocelot, &psfp->stream_list,
+ &stream, extack);
+ if (ret)
+ vsc9959_psfp_sfi_table_del(ocelot, stream.sfid);
+
+ return ret;
+}
+
+static int vsc9959_psfp_filter_del(struct ocelot *ocelot,
+ struct flow_cls_offload *f)
+{
+ struct ocelot_psfp_list *psfp;
+ struct felix_stream *stream;
+
+ psfp = &ocelot->psfp;
+
+ stream = vsc9959_stream_table_get(&psfp->stream_list, f->cookie);
+ if (!stream)
+ return -ENOMEM;
+
+ vsc9959_psfp_sfi_table_del(ocelot, stream->sfid);
+
+ stream->sfid_valid = 0;
+ vsc9959_stream_table_del(ocelot, stream);
+
+ return 0;
+}
+
+static int vsc9959_psfp_stats_get(struct ocelot *ocelot,
+ struct flow_cls_offload *f,
+ struct flow_stats *stats)
+{
+ struct felix_stream_filter_counters counters;
+ struct ocelot_psfp_list *psfp;
+ struct felix_stream *stream;
+
+ psfp = &ocelot->psfp;
+ stream = vsc9959_stream_table_get(&psfp->stream_list, f->cookie);
+ if (!stream)
+ return -ENOMEM;
+
+ vsc9959_psfp_counters_get(ocelot, stream->sfid, &counters);
+
+ stats->pkts = counters.match;
+ stats->drops = counters.not_pass_gate + counters.not_pass_sdu +
+ counters.red;
+
+ return 0;
+}
+
+static void vsc9959_psfp_init(struct ocelot *ocelot)
+{
+ struct ocelot_psfp_list *psfp = &ocelot->psfp;
+
+ INIT_LIST_HEAD(&psfp->stream_list);
+ INIT_LIST_HEAD(&psfp->sfi_list);
+ INIT_LIST_HEAD(&psfp->sgi_list);
+}
+
+static const struct ocelot_ops vsc9959_ops = {
+ .reset = vsc9959_reset,
+ .wm_enc = vsc9959_wm_enc,
+ .wm_dec = vsc9959_wm_dec,
+ .wm_stat = vsc9959_wm_stat,
+ .port_to_netdev = felix_port_to_netdev,
+ .netdev_to_port = felix_netdev_to_port,
+ .psfp_init = vsc9959_psfp_init,
+ .psfp_filter_add = vsc9959_psfp_filter_add,
+ .psfp_filter_del = vsc9959_psfp_filter_del,
+ .psfp_stats_get = vsc9959_psfp_stats_get,
+};
+
static const struct felix_info felix_info_vsc9959 = {
.target_io_res = vsc9959_target_io_res,
.port_io_res = vsc9959_port_io_res,
diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h
index e9985ace59c0..5ea72d274d7f 100644
--- a/include/soc/mscc/ocelot.h
+++ b/include/soc/mscc/ocelot.h
@@ -586,6 +586,12 @@ enum ocelot_port_tag_config {
OCELOT_PORT_TAG_TRUNK = 3,
};
+struct ocelot_psfp_list {
+ struct list_head stream_list;
+ struct list_head sfi_list;
+ struct list_head sgi_list;
+};
+
enum ocelot_sb {
OCELOT_SB_BUF,
OCELOT_SB_REF,
@@ -687,6 +693,8 @@ struct ocelot {
struct ocelot_vcap_block block[3];
struct vcap_props *vcap;
+ struct ocelot_psfp_list psfp;
+
/* Workqueue to check statistics for overflow with its lock */
struct mutex stats_lock;
u64 *stats;
diff --git a/include/soc/mscc/ocelot_ana.h b/include/soc/mscc/ocelot_ana.h
index 1669481d9779..67e0ae05a5ab 100644
--- a/include/soc/mscc/ocelot_ana.h
+++ b/include/soc/mscc/ocelot_ana.h
@@ -227,6 +227,11 @@
#define ANA_TABLES_SFIDACCESS_SFID_TBL_CMD(x) ((x) & GENMASK(1, 0))
#define ANA_TABLES_SFIDACCESS_SFID_TBL_CMD_M GENMASK(1, 0)
+#define SFIDACCESS_CMD_IDLE 0
+#define SFIDACCESS_CMD_READ 1
+#define SFIDACCESS_CMD_WRITE 2
+#define SFIDACCESS_CMD_INIT 3
+
#define ANA_TABLES_SFIDTIDX_SGID_VALID BIT(26)
#define ANA_TABLES_SFIDTIDX_SGID(x) (((x) << 18) & GENMASK(25, 18))
#define ANA_TABLES_SFIDTIDX_SGID_M GENMASK(25, 18)
@@ -255,6 +260,11 @@
#define ANA_SG_CONFIG_REG_3_INIT_IPS(x) (((x) << 21) & GENMASK(24, 21))
#define ANA_SG_CONFIG_REG_3_INIT_IPS_M GENMASK(24, 21)
#define ANA_SG_CONFIG_REG_3_INIT_IPS_X(x) (((x) & GENMASK(24, 21)) >> 21)
+#define ANA_SG_CONFIG_REG_3_IPV_VALID BIT(24)
+#define ANA_SG_CONFIG_REG_3_IPV_INVALID(x) (((x) << 24) & GENMASK(24, 24))
+#define ANA_SG_CONFIG_REG_3_INIT_IPV(x) (((x) << 21) & GENMASK(23, 21))
+#define ANA_SG_CONFIG_REG_3_INIT_IPV_M GENMASK(23, 21)
+#define ANA_SG_CONFIG_REG_3_INIT_IPV_X(x) (((x) & GENMASK(23, 21)) >> 21)
#define ANA_SG_CONFIG_REG_3_INIT_GATE_STATE BIT(25)
#define ANA_SG_GCL_GS_CONFIG_RSZ 0x4
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-22 09:03:44 +0300