* [PATCH net-next v3 1/4] net: dsa: motorcomm: Split TC module
2026-10-09 16:58 [PATCH net-next v3 0/4] net: dsa: motorcomm: TC offload follow-ups David Yang
@ 2026-10-09 16:58 ` David Yang
2026-10-09 16:58 ` [PATCH net-next v3 2/4] net: dsa: motorcomm: Use NSEC_PER_SEC David Yang
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: David Yang @ 2026-10-09 16:58 UTC (permalink / raw)
To: netdev
Cc: David Yang, Andrew Lunn, Vladimir Oltean, David S. Miller,
Eric Dumazet, Jakub Kicinski, Paolo Abeni, linux-kernel
Move the traffic control code from chip.c into a separate tc.c, to
reduce the length of chip.c.
Signed-off-by: David Yang <mmyangfl@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
drivers/net/dsa/motorcomm/Makefile | 1 +
drivers/net/dsa/motorcomm/chip.c | 1662 ++--------------------------
drivers/net/dsa/motorcomm/chip.h | 350 +-----
drivers/net/dsa/motorcomm/tc.c | 1496 +++++++++++++++++++++++++
drivers/net/dsa/motorcomm/tc.h | 380 +++++++
5 files changed, 1969 insertions(+), 1920 deletions(-)
create mode 100644 drivers/net/dsa/motorcomm/tc.c
create mode 100644 drivers/net/dsa/motorcomm/tc.h
diff --git a/drivers/net/dsa/motorcomm/Makefile b/drivers/net/dsa/motorcomm/Makefile
index 9c1e3d538d21..9eaa59f699e8 100644
--- a/drivers/net/dsa/motorcomm/Makefile
+++ b/drivers/net/dsa/motorcomm/Makefile
@@ -6,3 +6,4 @@ yt921x-objs += mdio_bus.o
yt921x-objs += mib.o
yt921x-objs += pcs-921x.o
yt921x-objs += smi.o
+yt921x-objs += tc.o
diff --git a/drivers/net/dsa/motorcomm/chip.c b/drivers/net/dsa/motorcomm/chip.c
index 91cc5647f2b6..e2b5c89f7e77 100644
--- a/drivers/net/dsa/motorcomm/chip.c
+++ b/drivers/net/dsa/motorcomm/chip.c
@@ -24,7 +24,6 @@
#include <net/dsa.h>
#include <net/dscp.h>
#include <net/ieee8021q.h>
-#include <net/pkt_cls.h>
#include "chip.h"
#include "leds.h"
@@ -32,6 +31,7 @@
#include "mib.h"
#include "pcs.h"
#include "smi.h"
+#include "tc.h"
static const struct yt921x_info yt921x_infos[] = {
{
@@ -98,16 +98,6 @@ struct yt921x_reg_mdio {
/* TODO: SPI/I2C */
-static u32 ethaddr_hi4_to_u32(const unsigned char *addr)
-{
- return (addr[0] << 24) | (addr[1] << 16) | (addr[2] << 8) | addr[3];
-}
-
-static u32 ethaddr_lo2_to_u32(const unsigned char *addr)
-{
- return (addr[4] << 8) | addr[5];
-}
-
static int yt921x_reg_mdio_read(void *context, u32 reg, u32 *valp)
{
struct yt921x_reg_mdio *mdio = context;
@@ -132,1330 +122,100 @@ static int yt921x_reg_mdio_read(void *context, u32 reg, u32 *valp)
reg_data = YT921X_SMI_SWITCHID(mdio->switchid) | YT921X_SMI_DATA |
YT921X_SMI_READ;
- res = __mdiobus_read(bus, addr, reg_data);
- if (res < 0)
- goto end;
- val = (u16)res;
- res = __mdiobus_read(bus, addr, reg_data);
- if (res < 0)
- goto end;
- val = (val << 16) | (u16)res;
-
- *valp = val;
- res = 0;
-
-end:
- mutex_unlock(&bus->mdio_lock);
- return res;
-}
-
-static int yt921x_reg_mdio_write(void *context, u32 reg, u32 val)
-{
- struct yt921x_reg_mdio *mdio = context;
- struct mii_bus *bus = mdio->bus;
- int addr = mdio->addr;
- u32 reg_addr;
- u32 reg_data;
- int res;
-
- mutex_lock_nested(&bus->mdio_lock, MDIO_MUTEX_NESTED);
-
- reg_addr = YT921X_SMI_SWITCHID(mdio->switchid) | YT921X_SMI_ADDR |
- YT921X_SMI_WRITE;
- res = __mdiobus_write(bus, addr, reg_addr, (u16)(reg >> 16));
- if (res)
- goto end;
- res = __mdiobus_write(bus, addr, reg_addr, (u16)reg);
- if (res)
- goto end;
-
- reg_data = YT921X_SMI_SWITCHID(mdio->switchid) | YT921X_SMI_DATA |
- YT921X_SMI_WRITE;
- res = __mdiobus_write(bus, addr, reg_data, (u16)(val >> 16));
- if (res)
- goto end;
- res = __mdiobus_write(bus, addr, reg_data, (u16)val);
- if (res)
- goto end;
-
- res = 0;
-
-end:
- mutex_unlock(&bus->mdio_lock);
- return res;
-}
-
-static const struct yt921x_reg_ops yt921x_reg_ops_mdio = {
- .read = yt921x_reg_mdio_read,
- .write = yt921x_reg_mdio_write,
-};
-
-/* TODO: SPI/I2C */
-
-static int
-yt921x_set_eee(struct yt921x_priv *priv, int port, struct ethtool_keee *e)
-{
- /* Poor datasheet for EEE operations; don't ask if you are confused */
-
- bool enable = e->eee_enabled;
- u16 new_mask;
- int res;
-
- /* Enable / disable global EEE */
- new_mask = priv->eee_ports_mask;
- new_mask &= ~BIT(port);
- new_mask |= !enable ? 0 : BIT(port);
-
- if (!!new_mask != !!priv->eee_ports_mask) {
- res = yt921x_reg_toggle_bits(priv, YT921X_PON_STRAP_FUNC,
- YT921X_PON_STRAP_EEE, !!new_mask);
- if (res)
- return res;
- res = yt921x_reg_toggle_bits(priv, YT921X_PON_STRAP_VAL,
- YT921X_PON_STRAP_EEE, !!new_mask);
- if (res)
- return res;
- }
-
- priv->eee_ports_mask = new_mask;
-
- /* Enable / disable port EEE */
- res = yt921x_reg_toggle_bits(priv, YT921X_EEE_CTRL,
- YT921X_EEE_CTRL_ENn(port), enable);
- if (res)
- return res;
- res = yt921x_reg_toggle_bits(priv, YT921X_EEEn_VAL(port),
- YT921X_EEE_VAL_DATA, enable);
- if (res)
- return res;
-
- return 0;
-}
-
-static int
-yt921x_dsa_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_keee *e)
-{
- struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
- int res;
-
- mutex_lock(&priv->reg_lock);
- res = yt921x_set_eee(priv, port, e);
- mutex_unlock(&priv->reg_lock);
-
- return res;
-}
-
-static int yt921x_mtu_fetch(struct yt921x_priv *priv, int port)
-{
- struct dsa_port *dp = dsa_to_port(&priv->ds, port);
-
- return dp->user ? READ_ONCE(dp->user->mtu) : ETH_DATA_LEN;
-}
-
-static int
-yt921x_dsa_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
-{
- /* Only serves as packet filter, since the frame size is always set to
- * maximum after reset
- */
-
- struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
- struct dsa_port *dp = dsa_to_port(ds, port);
- int frame_size;
- int res;
-
- frame_size = new_mtu + ETH_HLEN + ETH_FCS_LEN;
- if (dsa_port_is_cpu(dp))
- frame_size += YT921X_TAG_LEN;
-
- mutex_lock(&priv->reg_lock);
- res = yt921x_reg_update_bits(priv, YT921X_MACn_FRAME(port),
- YT921X_MAC_FRAME_SIZE_M,
- YT921X_MAC_FRAME_SIZE(frame_size));
- mutex_unlock(&priv->reg_lock);
-
- return res;
-}
-
-static int yt921x_dsa_port_max_mtu(struct dsa_switch *ds, int port)
-{
- /* Only called for user ports, exclude tag len here */
- return YT921X_FRAME_SIZE_MAX - ETH_HLEN - ETH_FCS_LEN - YT921X_TAG_LEN;
-}
-
-/* v * 2^e */
-static u64 ldexpu64(u64 v, int e)
-{
- return e >= 0 ? v << e : v >> -e;
-}
-
-/* slot (ns) * rate (/s) / 10^9 (ns/s) = 2^C * token * 4^unit */
-static u32 rate2token(u64 rate, unsigned int slot_ns, int unit, int C)
-{
- int e = 2 * unit + C + YT921X_TOKEN_RATE_C;
-
- return div_u64(ldexpu64(slot_ns * rate, -e), 1000000000);
-}
-
-static u64 token2rate(u32 token, unsigned int slot_ns, int unit, int C)
-{
- int e = 2 * unit + C + YT921X_TOKEN_RATE_C;
-
- return div_u64(ldexpu64(mul_u32_u32(1000000000, token), e), slot_ns);
-}
-
-/* burst = 2^C * token * 4^unit */
-static u32 burst2token(u64 burst, int unit, int C)
-{
- return ldexpu64(burst, -(2 * unit + C));
-}
-
-static u64 token2burst(u32 token, int unit, int C)
-{
- return ldexpu64(token, 2 * unit + C);
-}
-
-struct yt921x_marker {
- u32 cir;
- u32 cbs;
- u32 ebs;
- int unit;
- bool pkt_mode;
-};
-
-#define YT921X_MARKER_PKT_MODE BIT(0)
-#define YT921X_MARKER_SINGLE_BUCKET BIT(1)
-
-static int
-yt921x_marker_tfm(struct yt921x_marker *marker, u64 rate, u64 burst,
- unsigned int flags, unsigned int slot_ns, u32 cir_max,
- u32 cbs_max, int unit_max, struct yt921x_priv *priv, int port,
- struct netlink_ext_ack *extack)
-{
- const int C = flags & YT921X_MARKER_PKT_MODE ? YT921X_TOKEN_PKT_C :
- YT921X_TOKEN_BYTE_C;
- struct device *dev = yt921x_priv_to_device(priv);
- struct yt921x_marker m;
- u64 burst_est;
- u64 burst_sug;
- u64 burst_max;
- u64 rate_max;
-
- m.unit = unit_max;
- rate_max = token2rate(cir_max, slot_ns, m.unit, C);
- burst_max = token2burst(cbs_max, m.unit, C);
-
- /* Check for unusual values */
- if (rate > rate_max || burst > burst_max) {
- NL_SET_ERR_MSG_MOD(extack, "Unexpected tremendous rate");
- return -ERANGE;
- }
-
- /* Check for matching burst */
- burst_est = div_u64(slot_ns * rate, 1000000000);
- burst_sug = burst_est;
- if (flags & YT921X_MARKER_PKT_MODE)
- burst_sug++;
- else
- burst_sug += ETH_HLEN + yt921x_mtu_fetch(priv, port) +
- ETH_FCS_LEN;
- if (burst_sug > burst)
- NL_SET_ERR_MSG_FMT_MOD(extack,
- "Consider match rate %llu with burst at least %llu",
- rate, burst_sug);
-
- /* Select unit */
- for (; m.unit > 0; m.unit--) {
- if (rate > (rate_max >> 2) || burst > (burst_max >> 2))
- break;
- rate_max >>= 2;
- burst_max >>= 2;
- }
-
- /* Calculate information rate and bucket size */
- m.cir = rate2token(rate, slot_ns, m.unit, C);
- if (!m.cir)
- m.cir = 1;
- else if (WARN_ON(m.cir > cir_max))
- m.cir = cir_max;
- m.cbs = burst2token(burst, m.unit, C);
- if (!m.cbs)
- m.cbs = 1;
- else if (WARN_ON(m.cbs > cbs_max))
- m.cbs = cbs_max;
-
- /* Cut EBS */
- m.ebs = 0;
- if (!(flags & YT921X_MARKER_SINGLE_BUCKET)) {
- /* We don't have a chance to adjust rate when MTU is changed */
- if (flags & YT921X_MARKER_PKT_MODE)
- burst_est++;
- else
- burst_est += YT921X_FRAME_SIZE_MAX;
-
- if (burst_est < burst) {
- u32 pbs = m.cbs;
-
- m.cbs = burst2token(burst_est, m.unit, C);
- if (!m.cbs)
- m.cbs = 1;
- else if (WARN_ON(m.cbs > cbs_max))
- m.cbs = cbs_max;
-
- if (pbs > m.cbs)
- m.ebs = pbs - m.cbs;
- }
- }
-
- dev_dbg(dev,
- "slot %u ns, rate %llu, burst %llu -> unit %d, cir %u, cbs %u, ebs %u\n",
- slot_ns, rate, burst, m.unit, m.cir, m.cbs, m.ebs);
-
- m.pkt_mode = flags & YT921X_MARKER_PKT_MODE;
- *marker = m;
- return 0;
-}
-
-static int
-yt921x_marker_tfm_police(struct yt921x_marker *marker,
- const struct flow_action_police *police,
- unsigned int flags, struct yt921x_priv *priv, int port,
- struct netlink_ext_ack *extack)
-{
- bool pkt_mode = !!police->rate_pkt_ps;
- u64 burst;
- u64 rate;
-
- rate = pkt_mode ? police->rate_pkt_ps : police->rate_bytes_ps;
- burst = pkt_mode ? police->burst_pkt : police->burst;
- if (pkt_mode)
- flags |= YT921X_MARKER_PKT_MODE;
-
- return yt921x_marker_tfm(marker, rate, burst, flags,
- priv->meter_slot_ns, YT921X_METER_CIR_MAX,
- YT921X_METER_CBS_MAX, YT921X_METER_UNIT_MAX,
- priv, port, extack);
-}
-
-static int
-yt921x_marker_tfm_shape(struct yt921x_marker *marker, u64 rate, u64 burst,
- unsigned int flags, struct yt921x_priv *priv, int port,
- struct netlink_ext_ack *extack)
-{
- return yt921x_marker_tfm(marker, rate, burst, flags,
- priv->port_shape_slot_ns, YT921X_SHAPE_CIR_MAX,
- YT921X_SHAPE_CBS_MAX, YT921X_SHAPE_UNIT_MAX,
- priv, port, extack);
-}
-
-static int
-yt921x_police_validate(const struct flow_action_police *police,
- const struct flow_action *action,
- const struct flow_action_entry *act,
- struct netlink_ext_ack *extack)
-{
- if (police->exceed.act_id != FLOW_ACTION_DROP) {
- NL_SET_ERR_MSG_MOD(extack,
- "Offload not supported when exceed action is not drop");
- return -EOPNOTSUPP;
- }
-
- if (police->notexceed.act_id != FLOW_ACTION_PIPE &&
- police->notexceed.act_id != FLOW_ACTION_ACCEPT) {
- NL_SET_ERR_MSG_MOD(extack,
- "Offload not supported when conform action is not pipe or ok");
- return -EOPNOTSUPP;
- }
-
- if (police->notexceed.act_id == FLOW_ACTION_ACCEPT && action && act &&
- !flow_action_is_last_entry(action, act)) {
- NL_SET_ERR_MSG_MOD(extack,
- "Offload not supported when conform action is ok, but action is not last");
- return -EOPNOTSUPP;
- }
-
- /* mtu defaults to unlimited but we got 2040 here, don't know why */
- if (police->peakrate_bytes_ps || police->avrate || police->overhead) {
- NL_SET_ERR_MSG_MOD(extack,
- "Offload not supported when peakrate/avrate/overhead is configured");
- return -EOPNOTSUPP;
- }
-
- return 0;
-}
-
-static int
-yt921x_meter_config(struct yt921x_priv *priv, unsigned int id,
- const struct yt921x_marker *marker)
-{
- u32 ctrls[3];
-
- ctrls[0] = 0;
- ctrls[1] = YT921X_METER_CTRLb_CIR(marker->cir);
- ctrls[2] = YT921X_METER_CTRLc_UNIT(marker->unit) |
- YT921X_METER_CTRLc_DROP_R |
- YT921X_METER_CTRLc_TOKEN_OVERFLOW_EN |
- YT921X_METER_CTRLc_METER_EN;
- if (marker->pkt_mode)
- ctrls[2] |= YT921X_METER_CTRLc_PKT_MODE;
- update_ctrls_unaligned(&ctrls[0], &ctrls[1],
- YT921X_METER_CTRLab_EBS_M,
- YT921X_METER_CTRLab_EBS(marker->ebs));
- update_ctrls_unaligned(&ctrls[1], &ctrls[2],
- YT921X_METER_CTRLbc_CBS_M,
- YT921X_METER_CTRLbc_CBS(marker->cbs));
-
- return yt921x_reg96_write(priv, YT921X_METERn_CTRL(id), ctrls);
-}
-
-static void yt921x_dsa_port_policer_del(struct dsa_switch *ds, int port)
-{
- struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
- struct device *dev = yt921x_priv_to_device(priv);
- int res;
-
- mutex_lock(&priv->reg_lock);
- res = yt921x_reg_write(priv, YT921X_PORTn_METER(port), 0);
- mutex_unlock(&priv->reg_lock);
-
- if (res)
- dev_err(dev, "Failed to %s port %d: %i\n", "delete policer on",
- port, res);
-}
-
-static int
-yt921x_dsa_port_policer_add(struct dsa_switch *ds, int port,
- const struct flow_action_police *police,
- struct netlink_ext_ack *extack)
-{
- struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
- struct yt921x_marker marker;
- u32 ctrl;
- int res;
-
- res = yt921x_police_validate(police, NULL, NULL, extack);
- if (res)
- return res;
-
- res = yt921x_marker_tfm_police(&marker, police, 0, priv, port, extack);
- if (res)
- return res;
-
- mutex_lock(&priv->reg_lock);
- res = yt921x_meter_config(priv, port + YT921X_METER_NUM, &marker);
- if (res)
- goto end;
-
- ctrl = YT921X_PORT_METER_ID(port) | YT921X_PORT_METER_EN;
- res = yt921x_reg_write(priv, YT921X_PORTn_METER(port), ctrl);
-end:
- mutex_unlock(&priv->reg_lock);
-
- return res;
-}
-
-static int
-yt921x_dsa_port_setup_tc_tbf_port(struct dsa_switch *ds, int port,
- const struct tc_tbf_qopt_offload *qopt)
-{
- struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
- struct netlink_ext_ack *extack = qopt->extack;
- u32 ctrls[2];
- int res;
-
- if (qopt->parent != TC_H_ROOT)
- return -EOPNOTSUPP;
-
- switch (qopt->command) {
- case TC_TBF_STATS:
- /* Unfortunately the convention for TC_*_STATS is a mess,
- * neither 0 nor -EOPNOTSUPP is perfect here.
- */
- return -EOPNOTSUPP;
- case TC_TBF_DESTROY:
- ctrls[0] = 0;
- ctrls[1] = 0;
- break;
- case TC_TBF_REPLACE: {
- const struct tc_tbf_qopt_offload_replace_params *p;
- struct yt921x_marker marker;
-
- p = &qopt->replace_params;
-
- res = yt921x_marker_tfm_shape(&marker, p->rate.rate_bytes_ps,
- p->max_size,
- YT921X_MARKER_SINGLE_BUCKET,
- priv, port, extack);
- if (res)
- return res;
-
- ctrls[0] = YT921X_PORT_SHAPE_CTRLa_CIR(marker.cir) |
- YT921X_PORT_SHAPE_CTRLa_CBS(marker.cbs);
- ctrls[1] = YT921X_PORT_SHAPE_CTRLb_UNIT(marker.unit) |
- YT921X_PORT_SHAPE_CTRLb_EN;
- break;
- }
- default:
- return -EOPNOTSUPP;
- }
-
- mutex_lock(&priv->reg_lock);
- res = yt921x_reg64_write(priv, YT921X_PORTn_SHAPE_CTRL(port), ctrls);
- mutex_unlock(&priv->reg_lock);
-
- return res;
-}
-
-static int
-yt921x_dsa_port_setup_tc(struct dsa_switch *ds, int port,
- enum tc_setup_type type, void *type_data)
-{
- switch (type) {
- case TC_SETUP_QDISC_TBF: {
- const struct tc_tbf_qopt_offload *qopt = type_data;
-
- return yt921x_dsa_port_setup_tc_tbf_port(ds, port, qopt);
- }
- default:
- return -EOPNOTSUPP;
- }
-}
-
-/* ACL: 48 blocks * 8 entries
- *
- * One rule can span multiple entries, but within a block.
- */
-
-static void
-yt921x_acl_entry_set(struct yt921x_acl_entry *entry, unsigned int offset,
- u32 flags, bool set)
-{
- if (set)
- entry->key[offset] |= flags;
- entry->mask[offset] |= flags;
-}
-
-static unsigned int
-yt921x_acl_entries_set_is_fragment(struct yt921x_acl_entry *entries,
- unsigned int size, bool set)
-{
- for (unsigned int i = 0; i < size; i++)
- switch (FIELD_GET(YT921X_ACL_KEYb_TYPE_M, entries[i].key[1])) {
- case YT921X_ACL_TYPE_IPV4_DA:
- case YT921X_ACL_TYPE_IPV4_SA:
- yt921x_acl_entry_set(&entries[i], 1,
- YT921X_ACL_BINb_IPV4_FRAG, set);
- return size;
- case YT921X_ACL_TYPE_IPV6_DA3:
- case YT921X_ACL_TYPE_IPV6_SA3:
- yt921x_acl_entry_set(&entries[i], 1,
- YT921X_ACL_BINb_IPV6_xA3_FRAG,
- set);
- return size;
- case YT921X_ACL_TYPE_MISC:
- yt921x_acl_entry_set(&entries[i], 1,
- YT921X_ACL_BINb_MISC_FRAG, set);
- return size;
- case YT921X_ACL_TYPE_L4:
- yt921x_acl_entry_set(&entries[i], 1,
- YT921X_ACL_BINb_L4_FRAG, set);
- return size;
- }
-
- if (size >= YT921X_ACL_ENT_PER_BLK)
- return 0;
-
- entries[size] = (typeof(*entries)){};
- entries[size].key[1] = YT921X_ACL_KEYb_TYPE(YT921X_ACL_TYPE_MISC);
- yt921x_acl_entry_set(&entries[size], 1, YT921X_ACL_BINb_MISC_FRAG, set);
-
- return size + 1;
-}
-
-static unsigned int
-yt921x_acl_entries_set_first_frag(struct yt921x_acl_entry *entries,
- unsigned int size, bool set)
-{
- for (unsigned int i = 0; i < size; i++)
- switch (FIELD_GET(YT921X_ACL_KEYb_TYPE_M, entries[i].key[1])) {
- case YT921X_ACL_TYPE_IPV6_DA2:
- case YT921X_ACL_TYPE_IPV6_SA2:
- yt921x_acl_entry_set(&entries[i], 1,
- YT921X_ACL_BINb_IPV6_xA2_FIRST_FRAG,
- set);
- return size;
- case YT921X_ACL_TYPE_MISC:
- yt921x_acl_entry_set(&entries[i], 0,
- YT921X_ACL_BINa_MISC_FIRST_FRAG,
- set);
- return size;
- }
-
- if (size >= YT921X_ACL_ENT_PER_BLK)
- return 0;
-
- entries[size] = (typeof(*entries)){};
- entries[size].key[1] = YT921X_ACL_KEYb_TYPE(YT921X_ACL_TYPE_MISC);
- yt921x_acl_entry_set(&entries[size], 0,
- YT921X_ACL_BINa_MISC_FIRST_FRAG, set);
-
- return size + 1;
-}
-
-static unsigned int
-yt921x_acl_entries_set_l3_type(struct yt921x_acl_entry *entries,
- unsigned int size, enum yt921x_l3_type type)
-{
- for (unsigned int i = 0; i < size; i++)
- switch (FIELD_GET(YT921X_ACL_KEYb_TYPE_M, entries[i].key[1])) {
- case YT921X_ACL_TYPE_MAC_DA0:
- case YT921X_ACL_TYPE_MAC_SA0:
- entries[i].key[1] |= YT921X_ACL_BINb_MAC_xA0_L3_TYPE(type);
- entries[i].mask[1] |= YT921X_ACL_BINb_MAC_xA0_L3_TYPE_M;
- return size;
- case YT921X_ACL_TYPE_MISC:
- entries[i].key[0] |= YT921X_ACL_BINa_MISC_L3_TYPE(type);
- entries[i].mask[0] |= YT921X_ACL_BINa_MISC_L3_TYPE_M;
- return size;
- }
-
- if (size >= YT921X_ACL_ENT_PER_BLK)
- return 0;
-
- entries[size] = (typeof(*entries)){};
- entries[size].key[0] = YT921X_ACL_BINa_MISC_L3_TYPE(type);
- entries[size].key[1] = YT921X_ACL_KEYb_TYPE(YT921X_ACL_TYPE_MISC);
- entries[size].mask[0] = YT921X_ACL_BINa_MISC_L3_TYPE_M;
-
- return size + 1;
-}
-
-static unsigned int
-yt921x_acl_entries_set_l4_type(struct yt921x_acl_entry *entries,
- unsigned int size, enum yt921x_l4_type type)
-{
- for (unsigned int i = 0; i < size; i++)
- switch (FIELD_GET(YT921X_ACL_KEYb_TYPE_M, entries[i].key[1])) {
- case YT921X_ACL_TYPE_IPV4_DA:
- case YT921X_ACL_TYPE_IPV4_SA:
- entries[i].key[1] |= YT921X_ACL_BINb_IPV4_L4_TYPE(type);
- entries[i].mask[1] |= YT921X_ACL_BINb_IPV4_L4_TYPE_M;
- return size;
- case YT921X_ACL_TYPE_IPV6_DA0:
- case YT921X_ACL_TYPE_IPV6_DA1:
- case YT921X_ACL_TYPE_IPV6_DA2:
- case YT921X_ACL_TYPE_IPV6_DA3:
- case YT921X_ACL_TYPE_IPV6_SA0:
- case YT921X_ACL_TYPE_IPV6_SA1:
- case YT921X_ACL_TYPE_IPV6_SA2:
- case YT921X_ACL_TYPE_IPV6_SA3:
- entries[i].key[1] |= YT921X_ACL_BINb_IPV6_L4_TYPE(type);
- entries[i].mask[1] |= YT921X_ACL_BINb_IPV6_L4_TYPE_M;
- return size;
- case YT921X_ACL_TYPE_L4:
- entries[i].key[1] |= YT921X_ACL_BINb_L4_TYPE(type);
- entries[i].mask[1] |= YT921X_ACL_BINb_L4_TYPE_M;
- return size;
- case YT921X_ACL_TYPE_MISC:
- entries[i].key[1] |= YT921X_ACL_BINb_MISC_L4_TYPE(type);
- entries[i].mask[1] |= YT921X_ACL_BINb_MISC_L4_TYPE_M;
- return size;
- }
-
- if (size >= YT921X_ACL_ENT_PER_BLK)
- return 0;
-
- entries[size] = (typeof(*entries)){};
- entries[size].key[1] = YT921X_ACL_BINb_MISC_L4_TYPE(type) |
- YT921X_ACL_KEYb_TYPE(YT921X_ACL_TYPE_MISC);
- entries[size].mask[1] = YT921X_ACL_BINb_MISC_L4_TYPE_M;
-
- return size + 1;
-}
-
-static struct yt921x_acl_entry *
-yt921x_acl_entries_new(struct yt921x_acl_entry *entries, unsigned int *sizep,
- u32 type)
-{
- unsigned int size = *sizep;
-
- if (size >= YT921X_ACL_ENT_PER_BLK)
- return NULL;
-
- entries[size] = (typeof(*entries)){};
- entries[size].key[1] = YT921X_ACL_KEYb_TYPE(type);
-
- (*sizep)++;
- return &entries[size];
-}
-
-static struct yt921x_acl_entry *
-yt921x_acl_entries_find(struct yt921x_acl_entry *entries, unsigned int *sizep,
- u32 type)
-{
- for (unsigned int i = 0; i < *sizep; i++)
- if (FIELD_GET(YT921X_ACL_KEYb_TYPE_M, entries[i].key[1]) ==
- type)
- return &entries[i];
- return yt921x_acl_entries_new(entries, sizep, type);
-}
-
-static void
-yt921x_acl_rule_set_ports(struct yt921x_acl_rule *aclrule, u16 ord,
- u16 ports_mask)
-{
- struct yt921x_acl_entry *entries = aclrule->entries;
-
- for (unsigned int i = 0; i < hweight8(aclrule->mask); i++) {
- entries[i].key[1] |= YT921X_ACL_KEYb_SPORTS(ports_mask) |
- YT921X_ACL_KEYb_ORD(ord);
- }
-}
-
-struct yt921x_acl_rule_ext {
- struct yt921x_acl_rule r;
-
- struct yt921x_marker marker;
-};
-
-static int
-yt921x_acl_rule_ext_parse_flow_entries(struct yt921x_acl_rule_ext *ruleext,
- const struct flow_cls_offload *cls)
-{
- const struct flow_rule *rule = flow_cls_offload_flow_rule(cls);
- struct yt921x_acl_entry *entries = ruleext->r.entries;
- struct netlink_ext_ack *extack = cls->common.extack;
- const struct flow_dissector *dissector;
- struct yt921x_acl_entry *entry;
- unsigned int size = 0;
- bool use_dport;
- bool use_sport;
-
- /* Incomplete and probably won't, since it supports custom u32 filters.
- * New adapters are welcome.
- */
- dissector = rule->match.dissector;
- if (dissector->used_keys &
- ~(BIT_ULL(FLOW_DISSECTOR_KEY_CONTROL) |
- BIT_ULL(FLOW_DISSECTOR_KEY_BASIC) |
- BIT_ULL(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
- BIT_ULL(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
- BIT_ULL(FLOW_DISSECTOR_KEY_PORTS) |
- BIT_ULL(FLOW_DISSECTOR_KEY_PORTS_RANGE) |
- BIT_ULL(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
- BIT_ULL(FLOW_DISSECTOR_KEY_IP) |
- BIT_ULL(FLOW_DISSECTOR_KEY_TCP))) {
- NL_SET_ERR_MSG_MOD(extack, "Unsupported keys used");
- return -EOPNOTSUPP;
- }
-
- /* Entries */
- if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS)) {
- struct flow_match_ipv4_addrs match;
-
- flow_rule_match_ipv4_addrs(rule, &match);
-
- if (match.mask->dst) {
- entry = yt921x_acl_entries_new(entries, &size,
- YT921X_ACL_TYPE_IPV4_DA);
- if (!entry)
- goto err;
-
- entry->key[0] |= ntohl(match.key->dst);
- entry->mask[0] |= ntohl(match.mask->dst);
- }
-
- if (match.mask->src) {
- entry = yt921x_acl_entries_new(entries, &size,
- YT921X_ACL_TYPE_IPV4_SA);
- if (!entry)
- goto err;
-
- entry->key[0] |= ntohl(match.key->src);
- entry->mask[0] |= ntohl(match.mask->src);
- }
- }
-
- if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV6_ADDRS)) {
- struct flow_match_ipv6_addrs match;
-
- flow_rule_match_ipv6_addrs(rule, &match);
-
- for (unsigned int i = 0; i < 4; i++) {
- if (!match.mask->dst.s6_addr32[i])
- continue;
-
- entry = yt921x_acl_entries_new(entries, &size,
- YT921X_ACL_TYPE_IPV6_DA0 + i);
- if (!entry)
- goto err;
-
- entry->key[0] |= ntohl(match.key->dst.s6_addr32[i]);
- entry->mask[0] |= ntohl(match.mask->dst.s6_addr32[i]);
- }
-
- for (unsigned int i = 0; i < 4; i++) {
- if (!match.mask->src.s6_addr32[i])
- continue;
-
- entry = yt921x_acl_entries_new(entries, &size,
- YT921X_ACL_TYPE_IPV6_SA0 + i);
- if (!entry)
- goto err;
-
- entry->key[0] |= ntohl(match.key->src.s6_addr32[i]);
- entry->mask[0] |= ntohl(match.mask->src.s6_addr32[i]);
- }
- }
-
- use_dport = false;
- use_sport = false;
- if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) {
- struct flow_match_ports match;
-
- entry = yt921x_acl_entries_new(entries, &size,
- YT921X_ACL_TYPE_L4);
- if (!entry)
- goto err;
-
- flow_rule_match_ports(rule, &match);
-
- use_dport = !!match.mask->dst;
- use_sport = !!match.mask->src;
-
- entry->key[0] |= (ntohs(match.key->dst) << 16) |
- ntohs(match.key->src);
- entry->mask[0] |= (ntohs(match.mask->dst) << 16) |
- ntohs(match.mask->src);
- }
-
- if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS_RANGE)) {
- struct flow_match_ports_range match;
-
- entry = yt921x_acl_entries_find(entries, &size,
- YT921X_ACL_TYPE_L4);
- if (!entry)
- goto err;
-
- flow_rule_match_ports_range(rule, &match);
-
- if ((use_dport && match.mask->tp.dst) ||
- (use_sport && match.mask->tp.src)) {
- NL_SET_ERR_MSG_MOD(extack,
- "Port mask and range are mutually exclusive");
- return -EINVAL;
- }
-
- if (match.mask->tp.dst) {
- entry->key[0] |= ntohs(match.key->tp_min.dst) << 16;
- entry->key[1] |= YT921X_ACL_KEYb_L4_DPORT_RANGE_EN;
- entry->mask[0] |= ntohs(match.key->tp_max.dst) << 16;
- }
-
- if (match.mask->tp.src) {
- entry->key[0] |= ntohs(match.key->tp_min.src);
- entry->key[1] |= YT921X_ACL_KEYb_L4_SPORT_RANGE_EN;
- entry->mask[0] |= ntohs(match.key->tp_max.src);
- }
- }
-
- if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
- struct flow_match_eth_addrs match;
- u32 mask;
-
- flow_rule_match_eth_addrs(rule, &match);
-
- mask = ethaddr_hi4_to_u32(match.mask->dst);
- if (mask) {
- entry = yt921x_acl_entries_new(entries, &size,
- YT921X_ACL_TYPE_MAC_DA0);
- if (!entry)
- goto err;
-
- entry->key[0] |= ethaddr_hi4_to_u32(match.key->dst);
- entry->mask[0] |= mask;
- }
-
- mask = ethaddr_hi4_to_u32(match.mask->src);
- if (mask) {
- entry = yt921x_acl_entries_new(entries, &size,
- YT921X_ACL_TYPE_MAC_SA0);
- if (!entry)
- goto err;
-
- entry->key[0] |= ethaddr_hi4_to_u32(match.key->src);
- entry->mask[0] |= mask;
- }
-
- mask = (ethaddr_lo2_to_u32(match.mask->dst) << 16) |
- ethaddr_lo2_to_u32(match.mask->src);
- if (mask) {
- entry = yt921x_acl_entries_new(entries, &size,
- YT921X_ACL_TYPE_MAC_DA1_SA1);
- if (!entry)
- goto err;
-
- entry->key[0] |= (ethaddr_lo2_to_u32(match.key->dst) << 16) |
- ethaddr_lo2_to_u32(match.key->src);
- entry->mask[0] |= mask;
- }
- }
-
- /* Entries + Misc */
- if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
- struct flow_match_basic match;
-
- flow_rule_match_basic(rule, &match);
-
- if (match.mask->n_proto) {
- enum yt921x_l3_type l3type = YT921X_L3_TYPE_OTHER;
-
- if (match.mask->n_proto == htons(~0))
- switch (match.key->n_proto) {
- case htons(ETH_P_IP):
- l3type = YT921X_L3_TYPE_IPV4;
- break;
- case htons(ETH_P_IPV6):
- l3type = YT921X_L3_TYPE_IPV6;
- break;
- case htons(ETH_P_ARP):
- l3type = YT921X_L3_TYPE_ARP;
- break;
- case htons(ETH_P_LLDP):
- l3type = YT921X_L3_TYPE_LLDP;
- break;
- case htons(ETH_P_PAE):
- l3type = YT921X_L3_TYPE_PAE;
- break;
- case htons(ETH_P_CFM):
- l3type = YT921X_L3_TYPE_ERP;
- break;
- }
-
- if (l3type != YT921X_L3_TYPE_OTHER) {
- size = yt921x_acl_entries_set_l3_type(entries,
- size,
- l3type);
- if (!size)
- goto err;
- } else {
- entry = yt921x_acl_entries_new(entries, &size,
- YT921X_ACL_TYPE_ETHERTYPE);
- if (!entry)
- goto err;
-
- entry->key[0] |= ntohs(match.key->n_proto);
- entry->mask[0] |= ntohs(match.mask->n_proto);
- }
- }
-
- if (match.mask->ip_proto) {
- enum yt921x_l4_type l4type = YT921X_L4_TYPE_OTHER;
-
- if (match.mask->ip_proto == (u8)~0)
- switch (match.key->ip_proto) {
- case IPPROTO_TCP:
- l4type = YT921X_L4_TYPE_TCP;
- break;
- case IPPROTO_UDP:
- l4type = YT921X_L4_TYPE_UDP;
- break;
- case IPPROTO_UDPLITE:
- l4type = YT921X_L4_TYPE_UDPLITE;
- break;
- case IPPROTO_ICMP:
- l4type = YT921X_L4_TYPE_ICMP;
- break;
- case IPPROTO_IGMP:
- l4type = YT921X_L4_TYPE_IGMP;
- break;
- }
-
- if (l4type != YT921X_L4_TYPE_OTHER) {
- size = yt921x_acl_entries_set_l4_type(entries,
- size,
- l4type);
- if (!size)
- goto err;
- } else {
- entry = yt921x_acl_entries_find(entries, &size,
- YT921X_ACL_TYPE_MISC);
- if (!entry)
- goto err;
-
- entry->key[0] |= YT921X_ACL_BINa_MISC_IP_PROTO(match.key->ip_proto);
- entry->mask[0] |= YT921X_ACL_BINa_MISC_IP_PROTO(match.mask->ip_proto);
- }
- }
- }
-
- if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) {
- u32 supp_flags = FLOW_DIS_IS_FRAGMENT | FLOW_DIS_FIRST_FRAG;
- struct flow_match_control match;
-
- flow_rule_match_control(rule, &match);
- if (!flow_rule_is_supp_control_flags(supp_flags,
- match.mask->flags, extack))
- return -EOPNOTSUPP;
-
- if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) {
- bool set = match.key->flags & FLOW_DIS_IS_FRAGMENT;
-
- size = yt921x_acl_entries_set_is_fragment(entries, size,
- set);
- if (!size)
- goto err;
- }
- if (match.mask->flags & FLOW_DIS_FIRST_FRAG) {
- bool set = match.key->flags & FLOW_DIS_FIRST_FRAG;
-
- size = yt921x_acl_entries_set_first_frag(entries, size,
- set);
- if (!size)
- goto err;
- }
- }
-
- /* Misc only */
- if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) {
- struct flow_match_ip match;
-
- flow_rule_match_ip(rule, &match);
- if (match.mask->ttl) {
- NL_SET_ERR_MSG_MOD(extack,
- "Matching on TTL not supported");
- return -EOPNOTSUPP;
- }
-
- if (match.mask->tos) {
- entry = yt921x_acl_entries_find(entries, &size,
- YT921X_ACL_TYPE_MISC);
- if (!entry)
- goto err;
-
- entry->key[0] |= YT921X_ACL_BINa_MISC_TOS(match.key->tos);
- entry->mask[0] |= YT921X_ACL_BINa_MISC_TOS(match.mask->tos);
- }
- }
-
- if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) {
- struct flow_match_tcp match;
-
- flow_rule_match_tcp(rule, &match);
- if (match.mask->flags & htons(~0xff)) {
- NL_SET_ERR_MSG_MOD(extack, "Unsupported TCP flags");
- return -EOPNOTSUPP;
- }
-
- if (match.mask->flags) {
- entry = yt921x_acl_entries_find(entries, &size,
- YT921X_ACL_TYPE_MISC);
- if (!entry)
- goto err;
-
- entry->key[0] |= YT921X_ACL_BINa_MISC_TCP_FLAGS(ntohs(match.key->flags));
- entry->mask[0] |= YT921X_ACL_BINa_MISC_TCP_FLAGS(ntohs(match.mask->flags));
- }
- }
-
- if (!size) {
- NL_SET_ERR_MSG_MOD(extack, "Empty rule generated, this should not happen");
- return -EOPNOTSUPP;
- }
-
- ruleext->r.mask = (1 << size) - 1;
- return 0;
-
-err:
- NL_SET_ERR_MSG_MOD(extack, "Rule too complex");
- return -EOPNOTSUPP;
-}
-
-static int
-yt921x_acl_rule_ext_parse_flow_action(struct yt921x_acl_rule_ext *ruleext,
- const struct flow_cls_offload *cls,
- struct yt921x_priv *priv, int port)
-{
- const struct flow_rule *rule = flow_cls_offload_flow_rule(cls);
- const struct flow_action *flow_action = &rule->action;
- struct netlink_ext_ack *extack = cls->common.extack;
- enum flow_action_id redir_act = NUM_FLOW_ACTIONS;
- const struct flow_action_entry *act;
- u32 *action = ruleext->r.action;
- bool seen_priority = false;
- const char *reason = NULL;
- bool seen_police = false;
- unsigned int i;
- int res;
-
- memset(action, 0, 3 * sizeof(*action));
- flow_action_for_each(i, act, flow_action)
- switch (act->id) {
- case FLOW_ACTION_ACCEPT:
- case FLOW_ACTION_DROP:
- case FLOW_ACTION_REDIRECT:
- if (redir_act != NUM_FLOW_ACTIONS &&
- redir_act != act->id) {
- reason = "Different redirect actions";
- goto fallback;
- }
- redir_act = act->id;
-
- switch (act->id) {
- case FLOW_ACTION_ACCEPT:
- action[2] |= YT921X_ACL_ACTc_FWD_EN |
- YT921X_ACL_ACTc_FWD_FWD;
- break;
- case FLOW_ACTION_DROP:
- action[2] |= YT921X_ACL_ACTc_FWD_EN |
- YT921X_ACL_ACTc_FWD_REDIR;
- break;
- case FLOW_ACTION_REDIRECT: {
- struct dsa_port *to_dp;
-
- to_dp = dsa_port_from_netdev(act->dev);
- if (IS_ERR(to_dp) || to_dp->ds != &priv->ds) {
- reason = "Redirect to non-local port";
- goto fallback;
- }
-
- action[2] |= YT921X_ACL_ACTc_FWD_EN |
- YT921X_ACL_ACTc_FWD_REDIR |
- YT921X_ACL_ACTc_FWD_REDIR_DPORTn(to_dp->index);
- break;
- }
- default:
- break;
- }
- break;
- case FLOW_ACTION_PRIORITY:
- if (seen_priority) {
- action[0] &= ~YT921X_ACL_ACTa_PRIO_EN;
- action[1] &= ~YT921X_ACL_ACTb_PRIO_M;
-
- reason = "Multiple priority actions";
- goto fallback;
- }
- seen_priority = true;
-
- if (act->priority >= YT921X_PRIO_NUM) {
- NL_SET_ERR_MSG_MOD(extack,
- "Priority value is too high");
- return -EOPNOTSUPP;
- }
- action[0] |= YT921X_ACL_ACTa_PRIO_EN;
- action[1] |= YT921X_ACL_ACTb_PRIO(act->priority);
- break;
- case FLOW_ACTION_POLICE: {
- const struct flow_action_police *police = &act->police;
-
- if (seen_police) {
- action[0] &= ~YT921X_ACL_ACTa_METER_EN;
-
- reason = "Multiple police actions";
- goto fallback;
- }
- seen_police = true;
-
- res = yt921x_police_validate(police, flow_action, act,
- extack);
- if (res)
- return res;
-
- res = yt921x_marker_tfm_police(&ruleext->marker, police,
- 0, priv, port, extack);
- if (res)
- return res;
+ res = __mdiobus_read(bus, addr, reg_data);
+ if (res < 0)
+ goto end;
+ val = (u16)res;
+ res = __mdiobus_read(bus, addr, reg_data);
+ if (res < 0)
+ goto end;
+ val = (val << 16) | (u16)res;
- action[0] |= YT921X_ACL_ACTa_METER_EN;
- break;
- }
- default:
-fallback:
- if (cls->common.skip_sw) {
- NL_SET_ERR_MSG_FMT_MOD(extack,
- "Action not supported when skip_sw: %s",
- reason);
- return -EOPNOTSUPP;
- }
- fallthrough;
- case FLOW_ACTION_TRAP:
- redir_act = FLOW_ACTION_TRAP;
-
- action[2] &= ~YT921X_ACL_ACTc_FWD_REDIR_DPORTS_M &
- ~YT921X_ACL_ACTc_FWD_M;
- action[2] |= YT921X_ACL_ACTc_FWD_EN |
- YT921X_ACL_ACTc_FWD_TRAP;
- break;
- }
+ *valp = val;
+ res = 0;
- ruleext->r.sw_assisted = !cls->common.skip_sw;
- return 0;
+end:
+ mutex_unlock(&bus->mdio_lock);
+ return res;
}
-static int
-yt921x_acl_rule_ext_parse_flow(struct yt921x_acl_rule_ext *ruleext, int port,
- const struct flow_cls_offload *cls, bool ingress,
- struct yt921x_priv *priv)
+static int yt921x_reg_mdio_write(void *context, u32 reg, u32 val)
{
- struct netlink_ext_ack *extack = cls->common.extack;
+ struct yt921x_reg_mdio *mdio = context;
+ struct mii_bus *bus = mdio->bus;
+ int addr = mdio->addr;
+ u32 reg_addr;
+ u32 reg_data;
int res;
- if (!ingress) {
- NL_SET_ERR_MSG_MOD(extack, "Only ingress is supported");
- return -EOPNOTSUPP;
- }
-
- if (cls->common.chain_index) {
- NL_SET_ERR_MSG(extack, "Only chain 0 is supported");
- return -EOPNOTSUPP;
- }
+ mutex_lock_nested(&bus->mdio_lock, MDIO_MUTEX_NESTED);
- res = yt921x_acl_rule_ext_parse_flow_action(ruleext, cls, priv, port);
+ reg_addr = YT921X_SMI_SWITCHID(mdio->switchid) | YT921X_SMI_ADDR |
+ YT921X_SMI_WRITE;
+ res = __mdiobus_write(bus, addr, reg_addr, (u16)(reg >> 16));
if (res)
- return res;
- res = yt921x_acl_rule_ext_parse_flow_entries(ruleext, cls);
+ goto end;
+ res = __mdiobus_write(bus, addr, reg_addr, (u16)reg);
if (res)
- return res;
-
- yt921x_acl_rule_set_ports(&ruleext->r, 0, BIT(port));
- ruleext->r.tag = cls->cookie;
- ruleext->r.type = TC_SETUP_CLSFLOWER;
- return 0;
-}
-
-static unsigned int
-yt921x_acl_find(const struct yt921x_priv *priv, enum tc_setup_type type,
- unsigned long tag)
-{
- for (unsigned int blkid = 0; blkid < YT921X_ACL_BLK_NUM; blkid++) {
- const struct yt921x_acl_blk *aclblk = priv->acl_blks[blkid];
+ goto end;
- if (!aclblk)
- continue;
+ reg_data = YT921X_SMI_SWITCHID(mdio->switchid) | YT921X_SMI_DATA |
+ YT921X_SMI_WRITE;
+ res = __mdiobus_write(bus, addr, reg_data, (u16)(val >> 16));
+ if (res)
+ goto end;
+ res = __mdiobus_write(bus, addr, reg_data, (u16)val);
+ if (res)
+ goto end;
- for (unsigned int i = 0; i < YT921X_ACL_ENT_PER_BLK; i++)
- if (aclblk->rules[i] && aclblk->rules[i]->tag == tag &&
- aclblk->rules[i]->type == type)
- return YT921X_ACL_ENT_PER_BLK * blkid + i;
- }
+ res = 0;
- return UINT_MAX;
+end:
+ mutex_unlock(&bus->mdio_lock);
+ return res;
}
-static unsigned int
-yt921x_acl_reserve(struct yt921x_priv *priv, unsigned int entscnt,
- struct netlink_ext_ack *extack)
-{
- int candidates[YT921X_ACL_ENT_PER_BLK + 1];
- unsigned int acl_used_cnt = 0;
-
- if (WARN_ON(entscnt > YT921X_ACL_ENT_PER_BLK))
- return UINT_MAX;
-
- for (unsigned int i = 0; i < ARRAY_SIZE(candidates); i++)
- candidates[i] = -1;
- for (unsigned int i = YT921X_ACL_BLK_NUM; i-- > 0;) {
- unsigned int blk_used_cnt = hweight8(priv->acl_masks[i]);
-
- candidates[blk_used_cnt] = i;
- acl_used_cnt += blk_used_cnt;
- }
+static const struct yt921x_reg_ops yt921x_reg_ops_mdio = {
+ .read = yt921x_reg_mdio_read,
+ .write = yt921x_reg_mdio_write,
+};
- if (acl_used_cnt >= YT921X_ACL_NUM) {
- NL_SET_ERR_MSG_MOD(extack, "ACL entry limit reached");
- return UINT_MAX;
- }
- if (acl_used_cnt + entscnt <= YT921X_ACL_NUM)
- for (unsigned int i = YT921X_ACL_ENT_PER_BLK - entscnt + 1;
- i-- > 0;)
- if (candidates[i] >= 0)
- return YT921X_ACL_ENT_PER_BLK * candidates[i] +
- ffz(priv->acl_masks[candidates[i]]);
-
- NL_SET_ERR_MSG_MOD(extack,
- "ACL entry allocation failed, simplify your rules or remove existing rules");
- return UINT_MAX;
-}
+/* TODO: SPI/I2C */
static int
-yt921x_acl_commit(struct yt921x_priv *priv, unsigned int entid, u8 entsmask)
+yt921x_set_eee(struct yt921x_priv *priv, int port, struct ethtool_keee *e)
{
- const struct yt921x_acl_rule *aclrule;
- const struct yt921x_acl_blk *aclblk;
- unsigned int blkid;
- unsigned int binid;
- unsigned long mask;
- u32 zeros[3] = {};
- unsigned int i;
- unsigned int o;
- u32 ctrl;
- int res;
-
- blkid = entid / YT921X_ACL_ENT_PER_BLK;
- binid = entid % YT921X_ACL_ENT_PER_BLK;
- aclblk = priv->acl_blks[blkid];
- aclrule = aclblk->rules[binid];
+ /* Poor datasheet for EEE operations; don't ask if you are confused */
- /* Write actions */
- res = yt921x_reg96_write(priv, YT921X_ACLn_ACT(entid),
- aclrule ? aclrule->action : zeros);
- if (res)
- return res;
+ bool enable = e->eee_enabled;
+ u16 new_mask;
+ int res;
- /* Select the block */
- ctrl = YT921X_ACL_BLK_CMD_MODIFY | YT921X_ACL_BLK_CMD_BLKID(blkid);
- res = yt921x_reg_write(priv, YT921X_ACL_BLK_CMD, ctrl);
- if (res)
- return res;
+ /* Enable / disable global EEE */
+ new_mask = priv->eee_ports_mask;
+ new_mask &= ~BIT(port);
+ new_mask |= !enable ? 0 : BIT(port);
- /* Write keys and masks */
- ctrl = 0;
- for (unsigned int i = 0; i < YT921X_ACL_ENT_PER_BLK; i++)
- ctrl |= YT921X_ACL_BLK_KEEP_KEEPn(i);
-
- mask = entsmask;
- i = 0;
- for_each_set_bit(o, &mask, YT921X_ACL_ENT_PER_BLK) {
- res = yt921x_reg64_write(priv, YT921X_ACLn_KEYm(blkid, o),
- aclrule ? aclrule->entries[i].key :
- zeros);
+ if (!!new_mask != !!priv->eee_ports_mask) {
+ res = yt921x_reg_toggle_bits(priv, YT921X_PON_STRAP_FUNC,
+ YT921X_PON_STRAP_EEE, !!new_mask);
if (res)
return res;
-
- res = yt921x_reg64_write(priv, YT921X_ACLn_MASKm(blkid, o),
- aclrule ? aclrule->entries[i].mask :
- zeros);
+ res = yt921x_reg_toggle_bits(priv, YT921X_PON_STRAP_VAL,
+ YT921X_PON_STRAP_EEE, !!new_mask);
if (res)
return res;
-
- ctrl &= ~YT921X_ACL_BLK_KEEP_KEEPn(o);
- i++;
}
- res = yt921x_reg_write(priv, YT921X_ACL_BLK_KEEP, ctrl);
- if (res)
- return res;
-
- ctrl = 0;
- for (unsigned int i = 0; i < YT921X_ACL_ENT_PER_BLK; i++) {
- const struct yt921x_acl_rule *other = aclblk->rules[i];
-
- if (!other)
- continue;
+ priv->eee_ports_mask = new_mask;
- mask = other->mask;
- for_each_set_bit(o, &mask, YT921X_ACL_ENT_PER_BLK)
- ctrl |= YT921X_ACL_ENTRY_ENm(o) |
- YT921X_ACL_ENTRY_GRPIDm(o, i);
- }
- res = yt921x_reg_write(priv, YT921X_ACLn_ENTRY(blkid), ctrl);
+ /* Enable / disable port EEE */
+ res = yt921x_reg_toggle_bits(priv, YT921X_EEE_CTRL,
+ YT921X_EEE_CTRL_ENn(port), enable);
if (res)
return res;
-
- /* Commit the block */
- ctrl = YT921X_ACL_BLK_CMD_BLKID(blkid);
- res = yt921x_reg_write(priv, YT921X_ACL_BLK_CMD, ctrl);
+ res = yt921x_reg_toggle_bits(priv, YT921X_EEEn_VAL(port),
+ YT921X_EEE_VAL_DATA, enable);
if (res)
return res;
@@ -1463,263 +223,47 @@ yt921x_acl_commit(struct yt921x_priv *priv, unsigned int entid, u8 entsmask)
}
static int
-yt921x_acl_del(struct yt921x_priv *priv, enum tc_setup_type type,
- unsigned long tag)
-{
- struct yt921x_acl_rule *aclrule;
- struct yt921x_acl_blk *aclblk;
- unsigned int binid;
- unsigned int blkid;
- unsigned int entid;
- int res;
-
- entid = yt921x_acl_find(priv, type, tag);
- if (entid == UINT_MAX)
- return -ENOENT;
-
- blkid = entid / YT921X_ACL_ENT_PER_BLK;
- binid = entid % YT921X_ACL_ENT_PER_BLK;
- aclblk = priv->acl_blks[blkid];
- aclrule = aclblk->rules[binid];
-
- aclblk->rules[binid] = NULL;
- res = yt921x_acl_commit(priv, entid, aclrule->mask);
- /* the kernel never rolls back on failure */
-
- if (aclrule->action[0] & YT921X_ACL_ACTa_METER_EN)
- clear_bit(FIELD_GET(YT921X_ACL_ACTa_METER_ID_M,
- aclrule->action[0]),
- priv->meters_map);
- priv->acl_masks[blkid] &= ~aclrule->mask;
- kvfree(aclrule);
- if (!priv->acl_masks[blkid]) {
- kvfree(aclblk);
- priv->acl_blks[blkid] = NULL;
- }
- return res;
-}
-
-static int
-yt921x_acl_add(struct yt921x_priv *priv,
- const struct yt921x_acl_rule_ext *ruleext,
- struct netlink_ext_ack *extack)
-{
- unsigned int entscnt = hweight8(ruleext->r.mask);
- struct yt921x_acl_rule *aclrule;
- struct yt921x_acl_blk *aclblk;
- bool use_trap = false;
- unsigned int meterid;
- unsigned long mask;
- unsigned int binid;
- unsigned int blkid;
- unsigned int entid;
- unsigned int o;
- int res;
-
- /* Allocate resources */
- entid = yt921x_acl_reserve(priv, entscnt, extack);
- if (entid == UINT_MAX)
- return -EOPNOTSUPP;
-
- if (!(ruleext->r.action[0] & YT921X_ACL_ACTa_METER_EN)) {
- meterid = YT921X_METER_NUM;
- } else {
- meterid = find_first_zero_bit(priv->meters_map,
- YT921X_METER_NUM);
- if (meterid < YT921X_METER_NUM) {
- res = yt921x_meter_config(priv, meterid,
- &ruleext->marker);
- if (res)
- return res;
- } else if (ruleext->r.sw_assisted) {
- use_trap = true;
- } else {
- NL_SET_ERR_MSG_MOD(extack,
- "No more meters available");
- return -EOPNOTSUPP;
- }
- }
-
- /* Prepare acl block ctrlblk */
- blkid = entid / YT921X_ACL_ENT_PER_BLK;
- binid = entid % YT921X_ACL_ENT_PER_BLK;
- aclblk = priv->acl_blks[blkid];
- if (!aclblk) {
- aclblk = kvzalloc_obj(*aclblk);
- if (!aclblk)
- return -ENOMEM;
- priv->acl_blks[blkid] = aclblk;
- }
-
- /* Prepare acl rule ctrlblk */
- aclrule = kvmemdup(&ruleext->r,
- offsetof(struct yt921x_acl_rule, entries[entscnt]),
- GFP_KERNEL);
- if (!aclrule) {
- res = -ENOMEM;
- goto err;
- }
-
- /* Replace the placeholder resource IDs */
- aclrule->mask = 0;
- mask = priv->acl_masks[blkid];
- for_each_clear_bit(o, &mask, YT921X_ACL_ENT_PER_BLK) {
- aclrule->mask |= BIT(o);
- entscnt--;
- if (!entscnt)
- break;
- }
-
- if (use_trap) {
- aclrule->action[2] &= ~YT921X_ACL_ACTc_FWD_REDIR_DPORTS_M &
- ~YT921X_ACL_ACTc_FWD_M;
- aclrule->action[2] |= YT921X_ACL_ACTc_FWD_EN |
- YT921X_ACL_ACTc_FWD_TRAP;
- }
- if (meterid < YT921X_METER_NUM)
- aclrule->action[0] |= YT921X_ACL_ACTa_METER_ID(meterid);
- else
- aclrule->action[0] &= ~YT921X_ACL_ACTa_METER_EN;
-
- /* Write rules */
- aclblk->rules[binid] = aclrule;
- res = yt921x_acl_commit(priv, entid, aclrule->mask);
- if (res) {
- aclblk->rules[binid] = NULL;
- kvfree(aclrule);
- goto err;
- }
-
- if (meterid < YT921X_METER_NUM)
- set_bit(meterid, priv->meters_map);
- priv->acl_masks[blkid] |= aclrule->mask;
- return 0;
-
-err:
- if (!priv->acl_masks[blkid]) {
- kvfree(aclblk);
- priv->acl_blks[blkid] = NULL;
- }
- return res;
-}
-
-static int
-yt921x_dsa_cls_flower_del(struct dsa_switch *ds, int port,
- struct flow_cls_offload *cls, bool ingress)
+yt921x_dsa_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_keee *e)
{
struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
int res;
mutex_lock(&priv->reg_lock);
- res = yt921x_acl_del(priv, TC_SETUP_CLSFLOWER, cls->cookie);
+ res = yt921x_set_eee(priv, port, e);
mutex_unlock(&priv->reg_lock);
return res;
}
static int
-yt921x_dsa_cls_flower_add(struct dsa_switch *ds, int port,
- struct flow_cls_offload *cls, bool ingress)
+yt921x_dsa_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
{
- struct netlink_ext_ack *extack = cls->common.extack;
+ /* Only serves as packet filter, since the frame size is always set to
+ * maximum after reset
+ */
+
struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
- struct yt921x_acl_rule_ext ruleext;
+ struct dsa_port *dp = dsa_to_port(ds, port);
+ int frame_size;
int res;
- res = yt921x_acl_rule_ext_parse_flow(&ruleext, port, cls, ingress,
- priv);
- if (res)
- return res;
+ frame_size = new_mtu + ETH_HLEN + ETH_FCS_LEN;
+ if (dsa_port_is_cpu(dp))
+ frame_size += YT921X_TAG_LEN;
mutex_lock(&priv->reg_lock);
- res = yt921x_acl_add(priv, &ruleext, extack);
+ res = yt921x_reg_update_bits(priv, YT921X_MACn_FRAME(port),
+ YT921X_MAC_FRAME_SIZE_M,
+ YT921X_MAC_FRAME_SIZE(frame_size));
mutex_unlock(&priv->reg_lock);
return res;
}
-static int
-yt921x_mirror_del(struct yt921x_priv *priv, int port, bool ingress)
-{
- u32 mask;
-
- if (ingress)
- mask = YT921X_MIRROR_IGR_PORTn(port);
- else
- mask = YT921X_MIRROR_EGR_PORTn(port);
- return yt921x_reg_clear_bits(priv, YT921X_MIRROR, mask);
-}
-
-static int
-yt921x_mirror_add(struct yt921x_priv *priv, int port, bool ingress,
- int to_local_port, struct netlink_ext_ack *extack)
-{
- u32 srcs;
- u32 ctrl;
- u32 val;
- u32 dst;
- int res;
-
- if (ingress)
- srcs = YT921X_MIRROR_IGR_PORTn(port);
- else
- srcs = YT921X_MIRROR_EGR_PORTn(port);
- dst = YT921X_MIRROR_PORT(to_local_port);
-
- res = yt921x_reg_read(priv, YT921X_MIRROR, &val);
- if (res)
- return res;
-
- /* other mirror tasks & different dst port -> conflict */
- if ((val & ~srcs & (YT921X_MIRROR_EGR_PORTS_M |
- YT921X_MIRROR_IGR_PORTS_M)) &&
- (val & YT921X_MIRROR_PORT_M) != dst) {
- NL_SET_ERR_MSG_MOD(extack,
- "Sniffer port is already configured, delete existing rules & retry");
- return -EBUSY;
- }
-
- ctrl = val & ~YT921X_MIRROR_PORT_M;
- ctrl |= srcs;
- ctrl |= dst;
-
- if (ctrl == val)
- return 0;
-
- return yt921x_reg_write(priv, YT921X_MIRROR, ctrl);
-}
-
-static void
-yt921x_dsa_port_mirror_del(struct dsa_switch *ds, int port,
- struct dsa_mall_mirror_tc_entry *mirror)
-{
- struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
- struct device *dev = yt921x_priv_to_device(priv);
- int res;
-
- mutex_lock(&priv->reg_lock);
- res = yt921x_mirror_del(priv, port, mirror->ingress);
- mutex_unlock(&priv->reg_lock);
-
- if (res)
- dev_err(dev, "Failed to %s port %d: %i\n", "unmirror",
- port, res);
-}
-
-static int
-yt921x_dsa_port_mirror_add(struct dsa_switch *ds, int port,
- struct dsa_mall_mirror_tc_entry *mirror,
- bool ingress, struct netlink_ext_ack *extack)
+static int yt921x_dsa_port_max_mtu(struct dsa_switch *ds, int port)
{
- struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
- int res;
-
- mutex_lock(&priv->reg_lock);
- res = yt921x_mirror_add(priv, port, ingress,
- mirror->to_local_port, extack);
- mutex_unlock(&priv->reg_lock);
-
- return res;
+ /* Only called for user ports, exclude tag len here */
+ return YT921X_FRAME_SIZE_MAX - ETH_HLEN - ETH_FCS_LEN - YT921X_TAG_LEN;
}
static int yt921x_lag_hash(struct yt921x_priv *priv, u32 ctrl, bool unique_lag,
@@ -3791,48 +2335,6 @@ static int yt921x_chip_setup_dsa(struct yt921x_priv *priv)
return 0;
}
-static int yt921x_chip_setup_tc(struct yt921x_priv *priv)
-{
- unsigned int op_ns;
- u32 ctrl;
- int res;
-
- op_ns = 8 * priv->cycle_ns;
-
- ctrl = max(priv->meter_slot_ns / op_ns, YT921X_METER_SLOT_MIN);
- res = yt921x_reg_write(priv, YT921X_METER_SLOT, ctrl);
- if (res)
- return res;
- priv->meter_slot_ns = ctrl * op_ns;
-
- ctrl = max(priv->port_shape_slot_ns / op_ns,
- YT921X_PORT_SHAPE_SLOT_MIN);
- res = yt921x_reg_write(priv, YT921X_PORT_SHAPE_SLOT, ctrl);
- if (res)
- return res;
- priv->port_shape_slot_ns = ctrl * op_ns;
-
- return 0;
-}
-
-static int yt921x_chip_setup_acl(struct yt921x_priv *priv)
-{
- u32 ctrl;
- int res;
-
- ctrl = YT921X_ACL_PERMIT_UNMATCH_PORTS_M;
- res = yt921x_reg_write(priv, YT921X_ACL_PERMIT_UNMATCH, ctrl);
- if (res)
- return res;
-
- ctrl = YT921X_ACL_PORT_PORTS_M;
- res = yt921x_reg_write(priv, YT921X_ACL_PORT, ctrl);
- if (res)
- return res;
-
- return 0;
-}
-
static int __maybe_unused yt921x_chip_setup_qos(struct yt921x_priv *priv)
{
u32 ctrl;
diff --git a/drivers/net/dsa/motorcomm/chip.h b/drivers/net/dsa/motorcomm/chip.h
index 25ff77054de3..012de4f444f5 100644
--- a/drivers/net/dsa/motorcomm/chip.h
+++ b/drivers/net/dsa/motorcomm/chip.h
@@ -371,249 +371,6 @@ enum yt921x_app_selector {
#define YT921X_VLAN_CTRLa_METER_EN BIT(5)
#define YT921X_VLAN_CTRLa_METER_ID_M GENMASK(4, 0)
-#define YT921X_ACLn_ACT(n) (0x1c0000 + 0x10 * (n))
-#define YT921X_ACL_ACTc_STAG_M GENMASK(26, 25)
-#define YT921X_ACL_ACTc_STAG(x) FIELD_PREP(YT921X_ACL_ACTc_STAG_M, (x))
-#define YT921X_ACL_ACTc_STAG_DONTCARE YT921X_ACL_ACTc_STAG(0)
-#define YT921X_ACL_ACTc_STAG_UNTAG YT921X_ACL_ACTc_STAG(1)
-#define YT921X_ACL_ACTc_STAG_TAG YT921X_ACL_ACTc_STAG(2)
-#define YT921X_ACL_ACTc_STAG_KEEP YT921X_ACL_ACTc_STAG(3)
-#define YT921X_ACL_ACTc_CTAG_M GENMASK(24, 23)
-#define YT921X_ACL_ACTc_CTAG(x) FIELD_PREP(YT921X_ACL_ACTc_CTAG_M, (x))
-#define YT921X_ACL_ACTc_CTAG_DONTCARE YT921X_ACL_ACTc_CTAG(0)
-#define YT921X_ACL_ACTc_CTAG_UNTAG YT921X_ACL_ACTc_CTAG(1)
-#define YT921X_ACL_ACTc_CTAG_TAG YT921X_ACL_ACTc_CTAG(2)
-#define YT921X_ACL_ACTc_CTAG_KEEP YT921X_ACL_ACTc_CTAG(3)
-#define YT921X_ACL_ACTc_FWD_M GENMASK(22, 21)
-#define YT921X_ACL_ACTc_FWD(x) FIELD_PREP(YT921X_ACL_ACTc_FWD_M, (x))
-#define YT921X_ACL_ACTc_FWD_FWD YT921X_ACL_ACTc_FWD(0)
-#define YT921X_ACL_ACTc_FWD_COPY YT921X_ACL_ACTc_FWD(1)
-#define YT921X_ACL_ACTc_FWD_REDIR YT921X_ACL_ACTc_FWD(2)
-#define YT921X_ACL_ACTc_FWD_TRAP YT921X_ACL_ACTc_FWD(3)
-#define YT921X_ACL_ACTc_FWD_REDIR_DPORTS_M GENMASK(20, 10)
-#define YT921X_ACL_ACTc_FWD_REDIR_DPORTS(x) FIELD_PREP(YT921X_ACL_ACTc_FWD_REDIR_DPORTS_M, (x))
-#define YT921X_ACL_ACTc_FWD_REDIR_DPORTn(port) BIT((port) + 10)
-#define YT921X_ACL_ACTc_FWD_EN BIT(9)
-#define YT921X_ACL_ACTc_SDEI BIT(8)
-#define YT921X_ACL_ACTc_SDEI_REPLACE BIT(7)
-#define YT921X_ACL_ACTc_SPRI_M GENMASK(6, 4)
-#define YT921X_ACL_ACTc_SPRI(x) FIELD_PREP(YT921X_ACL_ACTc_SPRI_M, (x))
-#define YT921X_ACL_ACTc_SPRI_REPLACE BIT(3)
-#define YT921X_ACL_ACTbc_SVID_M GENMASK_ULL(34, 23)
-#define YT921X_ACL_ACTbc_SVID(x) FIELD_PREP(YT921X_ACL_ACTbc_SVID_M, (x))
-#define YT921X_ACL_ACTb_SVID_REPLACE BIT(22)
-#define YT921X_ACL_ACTb_CDEI BIT(21)
-#define YT921X_ACL_ACTb_CDEI_REPLACE BIT(20)
-#define YT921X_ACL_ACTb_CPRI_M GENMASK(19, 17)
-#define YT921X_ACL_ACTb_CPRI(x) FIELD_PREP(YT921X_ACL_ACTb_CPRI_M, (x))
-#define YT921X_ACL_ACTb_CPRI_REPLACE BIT(16)
-#define YT921X_ACL_ACTb_CVID_M GENMASK(15, 4)
-#define YT921X_ACL_ACTb_CVID(x) FIELD_PREP(YT921X_ACL_ACTb_CVID_M, (x))
-#define YT921X_ACL_ACTb_CVID_REPLACE BIT(3)
-#define YT921X_ACL_ACTb_PRIO_M GENMASK(2, 0)
-#define YT921X_ACL_ACTb_PRIO(x) FIELD_PREP(YT921X_ACL_ACTb_PRIO_M, (x))
-#define YT921X_ACL_ACTa_PRIO_EN BIT(31)
-#define YT921X_ACL_ACTa_COLOR_M GENMASK(30, 29)
-#define YT921X_ACL_ACTa_COLOR(x) FIELD_PREP(YT921X_ACL_ACTa_COLOR_M, (x))
-#define YT921X_ACL_ACTa_COLOR_GREEN YT921X_ACL_ACTa_COLOR(0)
-#define YT921X_ACL_ACTa_COLOR_YELLOW YT921X_ACL_ACTa_COLOR(1)
-#define YT921X_ACL_ACTa_COLOR_RED YT921X_ACL_ACTa_COLOR(2)
-#define YT921X_ACL_ACTa_COLOR_EN BIT(28)
-#define YT921X_ACL_ACTa_DSCP_M GENMASK(27, 22)
-#define YT921X_ACL_ACTa_DSCP(x) FIELD_PREP(YT921X_ACL_ACTa_DSCP_M, (x))
-#define YT921X_ACL_ACTa_DSCP_REPLACE BIT(21)
-#define YT921X_ACL_ACTa_METER_ID_M GENMASK(20, 15)
-#define YT921X_ACL_ACTa_METER_ID(x) FIELD_PREP(YT921X_ACL_ACTa_METER_ID_M, (x))
-#define YT921X_ACL_ACTa_METER_EN BIT(14)
-#define YT921X_ACL_ACTa_MIRROR_EN BIT(13)
-#define YT921X_ACL_ACTa_FLOWSTAT_EN BIT(12)
-#define YT921X_ACL_ACTa_FLOWSTAT_ID_M GENMASK(11, 6)
-#define YT921X_ACL_ACTa_FLOWSTAT_ID(x) FIELD_PREP(YT921X_ACL_ACTa_FLOWSTAT_ID_M, (x))
-#define YT921X_ACL_ACTa_GPIO_EN BIT(5)
-#define YT921X_ACL_ACTa_GPIO_PIN_M GENMASK(4, 1)
-#define YT921X_ACL_ACTa_GPIO_PIN(x) FIELD_PREP(YT921X_ACL_ACTa_GPIO_PIN_M, (x))
-#define YT921X_ACL_ACTa_INTR_EN BIT(0)
-#define YT921X_ACL_BLK_KEEP 0x201000
-#define YT921X_ACL_BLK_KEEP_GRPIDn_M(bin) (7 << (4 * (bin) + 1))
-#define YT921X_ACL_BLK_KEEP_GRPIDn(bin, x) ((x) << (4 * (bin) + 1))
-#define YT921X_ACL_BLK_KEEP_KEEPn(bin) BIT(4 * (bin))
-#define YT921X_ACL_PORT 0x202000
-#define YT921X_ACL_PORT_PORTS_M GENMASK(10, 0)
-#define YT921X_ACL_PORT_PORTS(x) FIELD_PREP(YT921X_ACL_PORT_PORTS_M, (x))
-#define YT921X_ACL_PORT_PORTn(port) BIT(port)
-#define YT921X_ACL_BLK_CMD 0x202004
-#define YT921X_ACL_BLK_CMD_BLKID_M GENMASK(6, 1)
-#define YT921X_ACL_BLK_CMD_BLKID(x) FIELD_PREP(YT921X_ACL_BLK_CMD_BLKID_M, (x))
-#define YT921X_ACL_BLK_CMD_MODIFY BIT(0)
-#define YT921X_ACLn_ENTRY(blk) (0x203000 + 4 * (blk))
-#define YT921X_ACL_ENTRY_GRPIDm_M(bin) (7 << (4 * (bin) + 1))
-#define YT921X_ACL_ENTRY_GRPIDm(bin, x) ((x) << (4 * (bin) + 1))
-#define YT921X_ACL_ENTRY_ENm(bin) BIT(4 * (bin))
-#define YT921X_ACLn_KEYm(blk, bin) (0x204000 + 0x200 * (bin) + 8 * (blk))
-#define YT921X_ACL_KEYb_ORD_M GENMASK(29, 21)
-#define YT921X_ACL_KEYb_ORD(x) FIELD_PREP(YT921X_ACL_KEYb_ORD_M, (x))
-#define YT921X_ACL_KEYb_SPORTS_M GENMASK(20, 10)
-#define YT921X_ACL_KEYb_SPORTS(x) FIELD_PREP(YT921X_ACL_KEYb_SPORTS_M, (x))
-#define YT921X_ACL_KEYb_SPORTn(port) BIT((port) + 10)
-#define YT921X_ACL_KEYb_REVERSE BIT(9) /* reverse match */
-#define YT921X_ACL_KEYb_TYPE_M GENMASK(8, 4)
-#define YT921X_ACL_KEYb_TYPE(x) FIELD_PREP(YT921X_ACL_KEYb_TYPE_M, (x))
-/* KEY_* fields need no masks */
-#define YT921X_ACLn_MASKm(blk, bin) (0x205000 + 0x200 * (bin) + 8 * (blk))
-
-enum yt921x_acl_type {
- YT921X_ACL_TYPE_NA,
- YT921X_ACL_TYPE_MAC_DA0,
- YT921X_ACL_TYPE_MAC_SA0,
- YT921X_ACL_TYPE_MAC_DA1_SA1,
- YT921X_ACL_TYPE_VLAN,
- YT921X_ACL_TYPE_VTAG,
- YT921X_ACL_TYPE_IPV4_DA,
- YT921X_ACL_TYPE_IPV4_SA,
- YT921X_ACL_TYPE_IPV6_DA0,
- YT921X_ACL_TYPE_IPV6_DA1,
- YT921X_ACL_TYPE_IPV6_DA2,
- YT921X_ACL_TYPE_IPV6_DA3,
- YT921X_ACL_TYPE_IPV6_SA0,
- YT921X_ACL_TYPE_IPV6_SA1,
- YT921X_ACL_TYPE_IPV6_SA2,
- YT921X_ACL_TYPE_IPV6_SA3,
- YT921X_ACL_TYPE_MISC,
- YT921X_ACL_TYPE_L4,
- YT921X_ACL_TYPE_UDF0,
- YT921X_ACL_TYPE_UDF1,
- YT921X_ACL_TYPE_UDF2,
- YT921X_ACL_TYPE_UDF3,
- YT921X_ACL_TYPE_UDF4,
- YT921X_ACL_TYPE_UDF5,
- YT921X_ACL_TYPE_UDF6,
- YT921X_ACL_TYPE_UDF7,
- YT921X_ACL_TYPE_ETHERTYPE,
- YT921X_ACL_TYPE_NUM
-};
-
-/* Range: turn KEY:MASK into MIN:MAX */
-
-#define YT921X_ACL_BINb_MAC_xA0_L3_TYPE_M GENMASK(3, 0)
-#define YT921X_ACL_BINb_MAC_xA0_L3_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_MAC_xA0_L3_TYPE_M, (x))
-#define YT921X_ACL_BINa_MAC_xA0_MAC_xA0_M GENMASK(31, 0)
-
-#define YT921X_ACL_BINb_MAC_DA1_SA1_L2_TYPE_M GENMASK(2, 0)
-#define YT921X_ACL_BINb_MAC_DA1_SA1_L2_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_MAC_DA1_SA1_L2_TYPE_M, (x))
-#define YT921X_ACL_BINa_MAC_DA1_SA1_MAC_DA1_M GENMASK(31, 16)
-#define YT921X_ACL_BINa_MAC_DA1_SA1_MAC_SA1_M GENMASK(15, 0)
-
-#define YT921X_ACL_KEYb_VLAN_SVID_RANGE_EN BIT(31)
-#define YT921X_ACL_KEYb_VLAN_CVID_RANGE_EN BIT(30)
-#define YT921X_ACL_BINb_VLAN_CDEI BIT(3)
-#define YT921X_ACL_BINb_VLAN_CPRI_M GENMASK(2, 0)
-#define YT921X_ACL_BINb_VLAN_CPRI(x) FIELD_PREP(YT921X_ACL_BINb_VLAN_CPRI_M, (x))
-#define YT921X_ACL_BINa_VLAN_CTAG_FMT_M GENMASK(31, 30)
-#define YT921X_ACL_BINa_VLAN_CTAG_FMT(x) FIELD_PREP(YT921X_ACL_BINa_VLAN_CTAG_FMT_M, (x))
-#define YT921X_ACL_BINa_VLAN_SDEI BIT(29)
-#define YT921X_ACL_BINa_VLAN_SPRI_M GENMASK(28, 26)
-#define YT921X_ACL_BINa_VLAN_SPRI(x) FIELD_PREP(YT921X_ACL_BINa_VLAN_SPRI_M, (x))
-#define YT921X_ACL_BINa_VLAN_STAG_FMT_M GENMASK(25, 24)
-#define YT921X_ACL_BINa_VLAN_STAG_FMT(x) FIELD_PREP(YT921X_ACL_BINa_VLAN_STAG_FMT_M, (x))
-#define YT921X_ACL_BINa_VLAN_SVID_M GENMASK(23, 12)
-#define YT921X_ACL_BINa_VLAN_SVID(x) FIELD_PREP(YT921X_ACL_BINa_VLAN_SVID_M, (x))
-#define YT921X_ACL_BINa_VLAN_CVID_M GENMASK(11, 0)
-#define YT921X_ACL_BINa_VLAN_CVID(x) FIELD_PREP(YT921X_ACL_BINa_VLAN_CVID_M, (x))
-
-#define YT921X_ACL_KEYb_VTAG_SVID_RANGE_EN BIT(31)
-#define YT921X_ACL_KEYb_VTAG_CVID_RANGE_EN BIT(30)
-#define YT921X_ACL_BINa_VTAG_CDEI BIT(31)
-#define YT921X_ACL_BINa_VTAG_CPRI_M GENMASK(30, 28)
-#define YT921X_ACL_BINa_VTAG_CPRI(x) FIELD_PREP(YT921X_ACL_BINa_VTAG_CPRI_M, (x))
-#define YT921X_ACL_BINa_VTAG_SDEI BIT(27)
-#define YT921X_ACL_BINa_VTAG_SPRI_M GENMASK(26, 24)
-#define YT921X_ACL_BINa_VTAG_SPRI(x) FIELD_PREP(YT921X_ACL_BINa_VTAG_SPRI_M, (x))
-#define YT921X_ACL_BINa_VTAG_SVID_M GENMASK(23, 12)
-#define YT921X_ACL_BINa_VTAG_SVID(x) FIELD_PREP(YT921X_ACL_BINa_VTAG_SVID_M, (x))
-#define YT921X_ACL_BINa_VTAG_CVID_M GENMASK(11, 0)
-#define YT921X_ACL_BINa_VTAG_CVID(x) FIELD_PREP(YT921X_ACL_BINa_VTAG_CVID_M, (x))
-
-#define YT921X_ACL_KEYb_IPV4_ADDR_RANGE_EN BIT(30)
-#define YT921X_ACL_BINb_IPV4_FRAG BIT(3)
-#define YT921X_ACL_BINb_IPV4_L4_TYPE_M GENMASK(2, 0)
-#define YT921X_ACL_BINb_IPV4_L4_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_IPV4_L4_TYPE_M, (x))
-#define YT921X_ACL_BINa_IPV4_ADDR_M GENMASK(31, 0)
-
-#define YT921X_ACL_BINb_IPV6_L4_TYPE_M GENMASK(2, 0)
-#define YT921X_ACL_BINb_IPV6_L4_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_IPV6_L4_TYPE_M, (x))
-#define YT921X_ACL_BINa_IPV6_ADDRx_M GENMASK(31, 0)
-
-#define YT921X_ACL_BINb_IPV6_xA1_IP_OPTION BIT(3)
-
-#define YT921X_ACL_BINb_IPV6_xA2_FIRST_FRAG BIT(3)
-
-#define YT921X_ACL_KEYb_IPV6_xA3_ADDR_RANGE_EN BIT(30)
-#define YT921X_ACL_BINb_IPV6_xA3_FRAG BIT(3)
-
-#define YT921X_ACL_BINb_MISC_FRAG BIT(3)
-#define YT921X_ACL_BINb_MISC_L4_TYPE_M GENMASK(2, 0)
-#define YT921X_ACL_BINb_MISC_L4_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_MISC_L4_TYPE_M, (x))
-#define YT921X_ACL_BINa_MISC_PPPOE_FLAG BIT(30)
-#define YT921X_ACL_BINa_MISC_FIRST_FRAG BIT(29)
-#define YT921X_ACL_BINa_MISC_IP_OPTION BIT(28)
-#define YT921X_ACL_BINa_MISC_TCP_FLAGS_M GENMASK(27, 20)
-#define YT921X_ACL_BINa_MISC_TCP_FLAGS(x) FIELD_PREP(YT921X_ACL_BINa_MISC_TCP_FLAGS_M, (x))
-#define YT921X_ACL_BINa_MISC_IP_PROTO_M GENMASK(19, 12)
-#define YT921X_ACL_BINa_MISC_IP_PROTO(x) FIELD_PREP(YT921X_ACL_BINa_MISC_IP_PROTO_M, (x))
-#define YT921X_ACL_BINa_MISC_TOS_M GENMASK(11, 4)
-#define YT921X_ACL_BINa_MISC_TOS(x) FIELD_PREP(YT921X_ACL_BINa_MISC_TOS_M, (x))
-#define YT921X_ACL_BINa_MISC_L3_TYPE_M GENMASK(3, 0)
-#define YT921X_ACL_BINa_MISC_L3_TYPE(x) FIELD_PREP(YT921X_ACL_BINa_MISC_L3_TYPE_M, (x))
-
-#define YT921X_ACL_KEYb_L4_DPORT_RANGE_EN BIT(31)
-#define YT921X_ACL_KEYb_L4_SPORT_RANGE_EN BIT(30)
-#define YT921X_ACL_BINb_L4_FRAG BIT(3)
-#define YT921X_ACL_BINb_L4_TYPE_M GENMASK(2, 0)
-#define YT921X_ACL_BINb_L4_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_L4_TYPE_M, (x))
-#define YT921X_ACL_BINa_L4_DPORT_M GENMASK(31, 16)
-#define YT921X_ACL_BINa_L4_SPORT_M GENMASK(15, 0)
-
-#define YT921X_ACL_BINb_UDF_IS_IGMP BIT(0)
-#define YT921X_ACL_BINa_UDF_UDF0_M GENMASK(31, 16)
-#define YT921X_ACL_BINa_UDF_UDF0(x) FIELD_PREP(YT921X_ACL_BINa_UDF_UDF0_M, (x))
-#define YT921X_ACL_BINa_UDF_UDF1_M GENMASK(15, 0)
-#define YT921X_ACL_BINa_UDF_UDF1(x) FIELD_PREP(YT921X_ACL_BINa_UDF_UDF1_M, (x))
-
-#define YT921X_ACL_KEYb_ETHERTYPE_ETHERTYPE_RANGE_EN BIT(30)
-#define YT921X_ACL_BINb_ETHERTYPE_L4_TYPE_M GENMASK(2, 0)
-#define YT921X_ACL_BINb_ETHERTYPE_L4_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_ETHERTYPE_L4_TYPE_M, (x))
-#define YT921X_ACL_BINa_ETHERTYPE_ETHERTYPE_M GENMASK(15, 0)
-#define YT921X_ACL_BINa_ETHERTYPE_ETHERTYPE(x) FIELD_PREP(YT921X_ACL_BINa_ETHERTYPE_ETHERTYPE_M, (x))
-
-enum yt921x_l2_type {
- YT921X_L2_TYPE_ETH,
- YT921X_L2_TYPE_ETHV2,
- YT921X_L2_TYPE_ETHSAP,
- YT921X_L2_TYPE_ETHSNAP,
-};
-
-enum yt921x_l3_type {
- YT921X_L3_TYPE_OTHER,
- YT921X_L3_TYPE_IPV4,
- YT921X_L3_TYPE_IPV6,
- YT921X_L3_TYPE_ARP,
- YT921X_L3_TYPE_LLDP,
- YT921X_L3_TYPE_PAE,
- YT921X_L3_TYPE_ERP,
- YT921X_L3_TYPE_SLOW_PROTOCOL,
-};
-
-enum yt921x_l4_type {
- YT921X_L4_TYPE_OTHER,
- YT921X_L4_TYPE_TCP,
- YT921X_L4_TYPE_UDP,
- YT921X_L4_TYPE_UDPLITE,
- YT921X_L4_TYPE_ICMP,
- YT921X_L4_TYPE_IGMP,
- YT921X_L4_TYPE_MLD,
- YT921X_L4_TYPE_ND,
-};
-
#define YT921X_TPID_IGRn(x) (0x210000 + 4 * (x)) /* [0, 3] */
#define YT921X_TPID_IGR_TPID_M GENMASK(15, 0)
#define YT921X_PORTn_IGR_TPID(port) (0x210010 + 4 * (port))
@@ -630,47 +387,6 @@ enum yt921x_l4_type {
#define YT921X_LAG_HASH_MAC_SA BIT(2)
#define YT921X_LAG_HASH_MAC_DA BIT(1)
#define YT921X_LAG_HASH_SRC_PORT BIT(0)
-#define YT921X_UDFn_CTRL(x) (0x210094 + 4 * (x))
-#define YT921X_UDF_CTRL_UDF_TYPE_M GENMASK(8, 7)
-#define YT921X_UDF_CTRL_UDF_TYPE(x) FIELD_PREP(YT921X_UDF_CTRL_UDF_TYPE_M, (x))
-#define YT921X_UDF_CTRL_UDF_TYPE_ETH YT921X_UDF_CTRL_UDF_TYPE(0)
-#define YT921X_UDF_CTRL_UDF_TYPE_L3 YT921X_UDF_CTRL_UDF_TYPE(1)
-#define YT921X_UDF_CTRL_UDF_TYPE_L4 YT921X_UDF_CTRL_UDF_TYPE(2)
-#define YT921X_UDF_CTRL_UDF_OFFSET_M GENMASK(6, 0)
-#define YT921X_UDF_CTRL_UDF_OFFSET(x) FIELD_PREP(YT921X_UDF_CTRL_UDF_OFFSET_M, (x))
-
-#define YT921X_PORTn_RATE(port) (0x220000 + 4 * (port))
-#define YT921X_PORT_RATE_GAP_VALUE GENMASK(4, 0) /* default 20 */
-#define YT921X_METER_SLOT 0x220104
-#define YT921X_METER_SLOT_SLOT_M GENMASK(11, 0)
-#define YT921X_PORTn_METER(port) (0x220108 + 4 * (port))
-#define YT921X_PORT_METER_EN BIT(4)
-#define YT921X_PORT_METER_ID_M GENMASK(3, 0)
-#define YT921X_PORT_METER_ID(x) FIELD_PREP(YT921X_PORT_METER_ID_M, (x))
-#define YT921X_METERn_CTRL(x) (0x220800 + 0x10 * (x))
-#define YT921X_METER_CTRLc_METER_EN BIT(14)
-#define YT921X_METER_CTRLc_TOKEN_OVERFLOW_EN BIT(13) /* RFC4115: yellow use unused green bw */
-#define YT921X_METER_CTRLc_DROP_M GENMASK(12, 11)
-#define YT921X_METER_CTRLc_DROP(x) FIELD_PREP(YT921X_METER_CTRLc_DROP_M, (x))
-#define YT921X_METER_CTRLc_DROP_GYR YT921X_METER_CTRLc_DROP(0)
-#define YT921X_METER_CTRLc_DROP_YR YT921X_METER_CTRLc_DROP(1)
-#define YT921X_METER_CTRLc_DROP_R YT921X_METER_CTRLc_DROP(2)
-#define YT921X_METER_CTRLc_DROP_NONE YT921X_METER_CTRLc_DROP(3)
-#define YT921X_METER_CTRLc_COLOR_BLIND BIT(10)
-#define YT921X_METER_CTRLc_UNIT_M GENMASK(9, 7)
-#define YT921X_METER_CTRLc_UNIT(x) FIELD_PREP(YT921X_METER_CTRLc_UNIT_M, (x))
-#define YT921X_METER_CTRLc_BYTE_MODE_INCLUDE_GAP BIT(6) /* +GAP_VALUE bytes each packet */
-#define YT921X_METER_CTRLc_PKT_MODE BIT(5) /* 0: byte rate mode */
-#define YT921X_METER_CTRLc_RFC2698 BIT(4) /* 0: RFC4115 */
-#define YT921X_METER_CTRLbc_CBS_M GENMASK_ULL(35, 20)
-#define YT921X_METER_CTRLbc_CBS(x) FIELD_PREP(YT921X_METER_CTRLbc_CBS_M, (x))
-#define YT921X_METER_CTRLb_CIR_M GENMASK(19, 2)
-#define YT921X_METER_CTRLb_CIR(x) FIELD_PREP(YT921X_METER_CTRLb_CIR_M, (x))
-#define YT921X_METER_CTRLab_EBS_M GENMASK_ULL(33, 18)
-#define YT921X_METER_CTRLab_EBS(x) FIELD_PREP(YT921X_METER_CTRLab_EBS_M, (x))
-#define YT921X_METER_CTRLa_EIR_M GENMASK(17, 0)
-#define YT921X_METER_CTRLa_EIR(x) FIELD_PREP(YT921X_METER_CTRLa_EIR_M, (x))
-#define YT921X_METERn_STAT(x) (0x221000 + 8 * (x))
#define YT921X_PORTn_VLAN_CTRL(port) (0x230010 + 4 * (port))
#define YT921X_PORT_VLAN_CTRL_SVLAN_PRIO_EN BIT(31)
@@ -689,29 +405,6 @@ enum yt921x_l4_type {
#define YT921X_PORT_VLAN_CTRL1_CVLAN_DROP_TAGGED BIT(1)
#define YT921X_PORT_VLAN_CTRL1_CVLAN_DROP_UNTAGGED BIT(0)
-#define YT921X_MIRROR 0x300300
-#define YT921X_MIRROR_IGR_PORTS_M GENMASK(26, 16)
-#define YT921X_MIRROR_IGR_PORTS(x) FIELD_PREP(YT921X_MIRROR_IGR_PORTS_M, (x))
-#define YT921X_MIRROR_IGR_PORTn(port) BIT((port) + 16)
-#define YT921X_MIRROR_EGR_PORTS_M GENMASK(14, 4)
-#define YT921X_MIRROR_EGR_PORTS(x) FIELD_PREP(YT921X_MIRROR_EGR_PORTS_M, (x))
-#define YT921X_MIRROR_EGR_PORTn(port) BIT((port) + 4)
-#define YT921X_MIRROR_PORT_M GENMASK(3, 0)
-#define YT921X_MIRROR_PORT(x) FIELD_PREP(YT921X_MIRROR_PORT_M, (x))
-
-#define YT921X_PORT_SHAPE_SLOT 0x34000c
-#define YT921X_PORT_SHAPE_SLOT_SLOT_M GENMASK(11, 0)
-#define YT921X_PORTn_SHAPE_CTRL(port) (0x354000 + 8 * (port))
-#define YT921X_PORT_SHAPE_CTRLb_EN BIT(4)
-#define YT921X_PORT_SHAPE_CTRLb_PKT_MODE BIT(3) /* 0: byte rate mode */
-#define YT921X_PORT_SHAPE_CTRLb_UNIT_M GENMASK(2, 0)
-#define YT921X_PORT_SHAPE_CTRLb_UNIT(x) FIELD_PREP(YT921X_PORT_SHAPE_CTRLb_UNIT_M, (x))
-#define YT921X_PORT_SHAPE_CTRLa_CBS_M GENMASK(31, 18)
-#define YT921X_PORT_SHAPE_CTRLa_CBS(x) FIELD_PREP(YT921X_PORT_SHAPE_CTRLa_CBS_M, (x))
-#define YT921X_PORT_SHAPE_CTRLa_CIR_M GENMASK(17, 0)
-#define YT921X_PORT_SHAPE_CTRLa_CIR(x) FIELD_PREP(YT921X_PORT_SHAPE_CTRLa_CIR_M, (x))
-#define YT921X_PORTn_SHAPE_STAT(port) (0x356000 + 4 * (port))
-
#define YT921X_EDATA_EXTMODE 0xfb
#define YT921X_EDATA_LEN 0x100
@@ -728,19 +421,8 @@ enum yt921x_fdb_entry_status {
#define YT921X_MSTI_NUM 16
-#define YT921X_TOKEN_BYTE_C 1 /* 1 token = 2^1 byte */
-#define YT921X_TOKEN_PKT_C -6 /* 1 token = 2^-6 packets */
-#define YT921X_TOKEN_RATE_C -15
/* Custom meters only, not including dedicated port meters (11) */
#define YT921X_METER_NUM 64
-#define YT921X_METER_SLOT_MIN 80
-#define YT921X_METER_UNIT_MAX ((1 << 3) - 1)
-#define YT921X_METER_CIR_MAX ((1 << 18) - 1)
-#define YT921X_METER_CBS_MAX ((1 << 16) - 1)
-#define YT921X_PORT_SHAPE_SLOT_MIN 80
-#define YT921X_SHAPE_UNIT_MAX ((1 << 3) - 1)
-#define YT921X_SHAPE_CIR_MAX ((1 << 18) - 1)
-#define YT921X_SHAPE_CBS_MAX ((1 << 14) - 1)
#define YT921X_LAG_NUM 2
#define YT921X_LAG_PORT_NUM 4
@@ -758,8 +440,6 @@ enum yt921x_fdb_entry_status {
#define YT921X_TAG_LEN 8
#define YT921X_ACL_BLK_NUM 48
-#define YT921X_ACL_ENT_PER_BLK 8
-#define YT921X_ACL_NUM (YT921X_ACL_BLK_NUM * YT921X_ACL_ENT_PER_BLK)
#define YT921X_UDF_NUM 8
#define YT921X_LED_GROUP_NUM 3
@@ -770,26 +450,6 @@ enum yt921x_fdb_entry_status {
#define YT921X_NAME "yt921x"
-struct yt921x_acl_entry {
- u32 key[2];
- u32 mask[2];
-};
-
-struct yt921x_acl_rule {
- unsigned long tag;
- enum tc_setup_type type;
-
- u32 action[3];
- bool sw_assisted;
-
- u8 mask;
- struct yt921x_acl_entry entries[YT921X_ACL_ENT_PER_BLK];
-};
-
-struct yt921x_acl_blk {
- struct yt921x_acl_rule *rules[YT921X_ACL_ENT_PER_BLK];
-};
-
struct yt921x_port {
unsigned char index;
@@ -893,4 +553,14 @@ static inline int ethtool_speed_to_yt921x(int speed)
}
}
+static inline u32 ethaddr_hi4_to_u32(const unsigned char *addr)
+{
+ return (addr[0] << 24) | (addr[1] << 16) | (addr[2] << 8) | addr[3];
+}
+
+static inline u32 ethaddr_lo2_to_u32(const unsigned char *addr)
+{
+ return (addr[4] << 8) | addr[5];
+}
+
#endif
diff --git a/drivers/net/dsa/motorcomm/tc.c b/drivers/net/dsa/motorcomm/tc.c
new file mode 100644
index 000000000000..433a428ed070
--- /dev/null
+++ b/drivers/net/dsa/motorcomm/tc.c
@@ -0,0 +1,1496 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2026 David Yang
+ */
+
+#include "chip.h"
+#include "smi.h"
+#include "tc.h"
+
+static int yt921x_mtu_fetch(struct yt921x_priv *priv, int port)
+{
+ struct dsa_port *dp = dsa_to_port(&priv->ds, port);
+
+ return dp->user ? READ_ONCE(dp->user->mtu) : ETH_DATA_LEN;
+}
+
+/* v * 2^e */
+static u64 ldexpu64(u64 v, int e)
+{
+ return e >= 0 ? v << e : v >> -e;
+}
+
+/* slot (ns) * rate (/s) / 10^9 (ns/s) = 2^C * token * 4^unit */
+static u32 rate2token(u64 rate, unsigned int slot_ns, int unit, int C)
+{
+ int e = 2 * unit + C + YT921X_TOKEN_RATE_C;
+
+ return div_u64(ldexpu64(slot_ns * rate, -e), 1000000000);
+}
+
+static u64 token2rate(u32 token, unsigned int slot_ns, int unit, int C)
+{
+ int e = 2 * unit + C + YT921X_TOKEN_RATE_C;
+
+ return div_u64(ldexpu64(mul_u32_u32(1000000000, token), e), slot_ns);
+}
+
+/* burst = 2^C * token * 4^unit */
+static u32 burst2token(u64 burst, int unit, int C)
+{
+ return ldexpu64(burst, -(2 * unit + C));
+}
+
+static u64 token2burst(u32 token, int unit, int C)
+{
+ return ldexpu64(token, 2 * unit + C);
+}
+
+struct yt921x_marker {
+ u32 cir;
+ u32 cbs;
+ u32 ebs;
+ int unit;
+ bool pkt_mode;
+};
+
+#define YT921X_MARKER_PKT_MODE BIT(0)
+#define YT921X_MARKER_SINGLE_BUCKET BIT(1)
+
+static int
+yt921x_marker_tfm(struct yt921x_marker *marker, u64 rate, u64 burst,
+ unsigned int flags, unsigned int slot_ns, u32 cir_max,
+ u32 cbs_max, int unit_max, struct yt921x_priv *priv, int port,
+ struct netlink_ext_ack *extack)
+{
+ const int C = flags & YT921X_MARKER_PKT_MODE ? YT921X_TOKEN_PKT_C :
+ YT921X_TOKEN_BYTE_C;
+ struct device *dev = yt921x_priv_to_device(priv);
+ struct yt921x_marker m;
+ u64 burst_est;
+ u64 burst_sug;
+ u64 burst_max;
+ u64 rate_max;
+
+ m.unit = unit_max;
+ rate_max = token2rate(cir_max, slot_ns, m.unit, C);
+ burst_max = token2burst(cbs_max, m.unit, C);
+
+ /* Check for unusual values */
+ if (rate > rate_max || burst > burst_max) {
+ NL_SET_ERR_MSG_MOD(extack, "Unexpected tremendous rate");
+ return -ERANGE;
+ }
+
+ /* Check for matching burst */
+ burst_est = div_u64(slot_ns * rate, 1000000000);
+ burst_sug = burst_est;
+ if (flags & YT921X_MARKER_PKT_MODE)
+ burst_sug++;
+ else
+ burst_sug += ETH_HLEN + yt921x_mtu_fetch(priv, port) +
+ ETH_FCS_LEN;
+ if (burst_sug > burst)
+ NL_SET_ERR_MSG_FMT_MOD(extack,
+ "Consider match rate %llu with burst at least %llu",
+ rate, burst_sug);
+
+ /* Select unit */
+ for (; m.unit > 0; m.unit--) {
+ if (rate > (rate_max >> 2) || burst > (burst_max >> 2))
+ break;
+ rate_max >>= 2;
+ burst_max >>= 2;
+ }
+
+ /* Calculate information rate and bucket size */
+ m.cir = rate2token(rate, slot_ns, m.unit, C);
+ if (!m.cir)
+ m.cir = 1;
+ else if (WARN_ON(m.cir > cir_max))
+ m.cir = cir_max;
+ m.cbs = burst2token(burst, m.unit, C);
+ if (!m.cbs)
+ m.cbs = 1;
+ else if (WARN_ON(m.cbs > cbs_max))
+ m.cbs = cbs_max;
+
+ /* Cut EBS */
+ m.ebs = 0;
+ if (!(flags & YT921X_MARKER_SINGLE_BUCKET)) {
+ /* We don't have a chance to adjust rate when MTU is changed */
+ if (flags & YT921X_MARKER_PKT_MODE)
+ burst_est++;
+ else
+ burst_est += YT921X_FRAME_SIZE_MAX;
+
+ if (burst_est < burst) {
+ u32 pbs = m.cbs;
+
+ m.cbs = burst2token(burst_est, m.unit, C);
+ if (!m.cbs)
+ m.cbs = 1;
+ else if (WARN_ON(m.cbs > cbs_max))
+ m.cbs = cbs_max;
+
+ if (pbs > m.cbs)
+ m.ebs = pbs - m.cbs;
+ }
+ }
+
+ dev_dbg(dev,
+ "slot %u ns, rate %llu, burst %llu -> unit %d, cir %u, cbs %u, ebs %u\n",
+ slot_ns, rate, burst, m.unit, m.cir, m.cbs, m.ebs);
+
+ m.pkt_mode = flags & YT921X_MARKER_PKT_MODE;
+ *marker = m;
+ return 0;
+}
+
+static int
+yt921x_marker_tfm_police(struct yt921x_marker *marker,
+ const struct flow_action_police *police,
+ unsigned int flags, struct yt921x_priv *priv, int port,
+ struct netlink_ext_ack *extack)
+{
+ bool pkt_mode = !!police->rate_pkt_ps;
+ u64 burst;
+ u64 rate;
+
+ rate = pkt_mode ? police->rate_pkt_ps : police->rate_bytes_ps;
+ burst = pkt_mode ? police->burst_pkt : police->burst;
+ if (pkt_mode)
+ flags |= YT921X_MARKER_PKT_MODE;
+
+ return yt921x_marker_tfm(marker, rate, burst, flags,
+ priv->meter_slot_ns, YT921X_METER_CIR_MAX,
+ YT921X_METER_CBS_MAX, YT921X_METER_UNIT_MAX,
+ priv, port, extack);
+}
+
+static int
+yt921x_marker_tfm_shape(struct yt921x_marker *marker, u64 rate, u64 burst,
+ unsigned int flags, struct yt921x_priv *priv, int port,
+ struct netlink_ext_ack *extack)
+{
+ return yt921x_marker_tfm(marker, rate, burst, flags,
+ priv->port_shape_slot_ns, YT921X_SHAPE_CIR_MAX,
+ YT921X_SHAPE_CBS_MAX, YT921X_SHAPE_UNIT_MAX,
+ priv, port, extack);
+}
+
+static int
+yt921x_police_validate(const struct flow_action_police *police,
+ const struct flow_action *action,
+ const struct flow_action_entry *act,
+ struct netlink_ext_ack *extack)
+{
+ if (police->exceed.act_id != FLOW_ACTION_DROP) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Offload not supported when exceed action is not drop");
+ return -EOPNOTSUPP;
+ }
+
+ if (police->notexceed.act_id != FLOW_ACTION_PIPE &&
+ police->notexceed.act_id != FLOW_ACTION_ACCEPT) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Offload not supported when conform action is not pipe or ok");
+ return -EOPNOTSUPP;
+ }
+
+ if (police->notexceed.act_id == FLOW_ACTION_ACCEPT && action && act &&
+ !flow_action_is_last_entry(action, act)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Offload not supported when conform action is ok, but action is not last");
+ return -EOPNOTSUPP;
+ }
+
+ /* mtu defaults to unlimited but we got 2040 here, don't know why */
+ if (police->peakrate_bytes_ps || police->avrate || police->overhead) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Offload not supported when peakrate/avrate/overhead is configured");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int
+yt921x_meter_config(struct yt921x_priv *priv, unsigned int id,
+ const struct yt921x_marker *marker)
+{
+ u32 ctrls[3];
+
+ ctrls[0] = 0;
+ ctrls[1] = YT921X_METER_CTRLb_CIR(marker->cir);
+ ctrls[2] = YT921X_METER_CTRLc_UNIT(marker->unit) |
+ YT921X_METER_CTRLc_DROP_R |
+ YT921X_METER_CTRLc_TOKEN_OVERFLOW_EN |
+ YT921X_METER_CTRLc_METER_EN;
+ if (marker->pkt_mode)
+ ctrls[2] |= YT921X_METER_CTRLc_PKT_MODE;
+ update_ctrls_unaligned(&ctrls[0], &ctrls[1],
+ YT921X_METER_CTRLab_EBS_M,
+ YT921X_METER_CTRLab_EBS(marker->ebs));
+ update_ctrls_unaligned(&ctrls[1], &ctrls[2],
+ YT921X_METER_CTRLbc_CBS_M,
+ YT921X_METER_CTRLbc_CBS(marker->cbs));
+
+ return yt921x_reg96_write(priv, YT921X_METERn_CTRL(id), ctrls);
+}
+
+void yt921x_dsa_port_policer_del(struct dsa_switch *ds, int port)
+{
+ struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
+ struct device *dev = yt921x_priv_to_device(priv);
+ int res;
+
+ mutex_lock(&priv->reg_lock);
+ res = yt921x_reg_write(priv, YT921X_PORTn_METER(port), 0);
+ mutex_unlock(&priv->reg_lock);
+
+ if (res)
+ dev_err(dev, "Failed to %s port %d: %i\n", "delete policer on",
+ port, res);
+}
+
+int
+yt921x_dsa_port_policer_add(struct dsa_switch *ds, int port,
+ const struct flow_action_police *police,
+ struct netlink_ext_ack *extack)
+{
+ struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
+ struct yt921x_marker marker;
+ u32 ctrl;
+ int res;
+
+ res = yt921x_police_validate(police, NULL, NULL, extack);
+ if (res)
+ return res;
+
+ res = yt921x_marker_tfm_police(&marker, police, 0, priv, port, extack);
+ if (res)
+ return res;
+
+ mutex_lock(&priv->reg_lock);
+ res = yt921x_meter_config(priv, port + YT921X_METER_NUM, &marker);
+ if (res)
+ goto end;
+
+ ctrl = YT921X_PORT_METER_ID(port) | YT921X_PORT_METER_EN;
+ res = yt921x_reg_write(priv, YT921X_PORTn_METER(port), ctrl);
+end:
+ mutex_unlock(&priv->reg_lock);
+
+ return res;
+}
+
+static int
+yt921x_dsa_port_setup_tc_tbf_port(struct dsa_switch *ds, int port,
+ const struct tc_tbf_qopt_offload *qopt)
+{
+ struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
+ struct netlink_ext_ack *extack = qopt->extack;
+ u32 ctrls[2];
+ int res;
+
+ if (qopt->parent != TC_H_ROOT)
+ return -EOPNOTSUPP;
+
+ switch (qopt->command) {
+ case TC_TBF_STATS:
+ /* Unfortunately the convention for TC_*_STATS is a mess,
+ * neither 0 nor -EOPNOTSUPP is perfect here.
+ */
+ return -EOPNOTSUPP;
+ case TC_TBF_DESTROY:
+ ctrls[0] = 0;
+ ctrls[1] = 0;
+ break;
+ case TC_TBF_REPLACE: {
+ const struct tc_tbf_qopt_offload_replace_params *p;
+ struct yt921x_marker marker;
+
+ p = &qopt->replace_params;
+
+ res = yt921x_marker_tfm_shape(&marker, p->rate.rate_bytes_ps,
+ p->max_size,
+ YT921X_MARKER_SINGLE_BUCKET,
+ priv, port, extack);
+ if (res)
+ return res;
+
+ ctrls[0] = YT921X_PORT_SHAPE_CTRLa_CIR(marker.cir) |
+ YT921X_PORT_SHAPE_CTRLa_CBS(marker.cbs);
+ ctrls[1] = YT921X_PORT_SHAPE_CTRLb_UNIT(marker.unit) |
+ YT921X_PORT_SHAPE_CTRLb_EN;
+ break;
+ }
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ mutex_lock(&priv->reg_lock);
+ res = yt921x_reg64_write(priv, YT921X_PORTn_SHAPE_CTRL(port), ctrls);
+ mutex_unlock(&priv->reg_lock);
+
+ return res;
+}
+
+int
+yt921x_dsa_port_setup_tc(struct dsa_switch *ds, int port,
+ enum tc_setup_type type, void *type_data)
+{
+ switch (type) {
+ case TC_SETUP_QDISC_TBF: {
+ const struct tc_tbf_qopt_offload *qopt = type_data;
+
+ return yt921x_dsa_port_setup_tc_tbf_port(ds, port, qopt);
+ }
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+/* ACL: 48 blocks * 8 entries
+ *
+ * One rule can span multiple entries, but within a block.
+ */
+
+static void
+yt921x_acl_entry_set(struct yt921x_acl_entry *entry, unsigned int offset,
+ u32 flags, bool set)
+{
+ if (set)
+ entry->key[offset] |= flags;
+ entry->mask[offset] |= flags;
+}
+
+static unsigned int
+yt921x_acl_entries_set_is_fragment(struct yt921x_acl_entry *entries,
+ unsigned int size, bool set)
+{
+ for (unsigned int i = 0; i < size; i++)
+ switch (FIELD_GET(YT921X_ACL_KEYb_TYPE_M, entries[i].key[1])) {
+ case YT921X_ACL_TYPE_IPV4_DA:
+ case YT921X_ACL_TYPE_IPV4_SA:
+ yt921x_acl_entry_set(&entries[i], 1,
+ YT921X_ACL_BINb_IPV4_FRAG, set);
+ return size;
+ case YT921X_ACL_TYPE_IPV6_DA3:
+ case YT921X_ACL_TYPE_IPV6_SA3:
+ yt921x_acl_entry_set(&entries[i], 1,
+ YT921X_ACL_BINb_IPV6_xA3_FRAG,
+ set);
+ return size;
+ case YT921X_ACL_TYPE_MISC:
+ yt921x_acl_entry_set(&entries[i], 1,
+ YT921X_ACL_BINb_MISC_FRAG, set);
+ return size;
+ case YT921X_ACL_TYPE_L4:
+ yt921x_acl_entry_set(&entries[i], 1,
+ YT921X_ACL_BINb_L4_FRAG, set);
+ return size;
+ }
+
+ if (size >= YT921X_ACL_ENT_PER_BLK)
+ return 0;
+
+ entries[size] = (typeof(*entries)){};
+ entries[size].key[1] = YT921X_ACL_KEYb_TYPE(YT921X_ACL_TYPE_MISC);
+ yt921x_acl_entry_set(&entries[size], 1, YT921X_ACL_BINb_MISC_FRAG, set);
+
+ return size + 1;
+}
+
+static unsigned int
+yt921x_acl_entries_set_first_frag(struct yt921x_acl_entry *entries,
+ unsigned int size, bool set)
+{
+ for (unsigned int i = 0; i < size; i++)
+ switch (FIELD_GET(YT921X_ACL_KEYb_TYPE_M, entries[i].key[1])) {
+ case YT921X_ACL_TYPE_IPV6_DA2:
+ case YT921X_ACL_TYPE_IPV6_SA2:
+ yt921x_acl_entry_set(&entries[i], 1,
+ YT921X_ACL_BINb_IPV6_xA2_FIRST_FRAG,
+ set);
+ return size;
+ case YT921X_ACL_TYPE_MISC:
+ yt921x_acl_entry_set(&entries[i], 0,
+ YT921X_ACL_BINa_MISC_FIRST_FRAG,
+ set);
+ return size;
+ }
+
+ if (size >= YT921X_ACL_ENT_PER_BLK)
+ return 0;
+
+ entries[size] = (typeof(*entries)){};
+ entries[size].key[1] = YT921X_ACL_KEYb_TYPE(YT921X_ACL_TYPE_MISC);
+ yt921x_acl_entry_set(&entries[size], 0,
+ YT921X_ACL_BINa_MISC_FIRST_FRAG, set);
+
+ return size + 1;
+}
+
+static unsigned int
+yt921x_acl_entries_set_l3_type(struct yt921x_acl_entry *entries,
+ unsigned int size, enum yt921x_l3_type type)
+{
+ for (unsigned int i = 0; i < size; i++)
+ switch (FIELD_GET(YT921X_ACL_KEYb_TYPE_M, entries[i].key[1])) {
+ case YT921X_ACL_TYPE_MAC_DA0:
+ case YT921X_ACL_TYPE_MAC_SA0:
+ entries[i].key[1] |= YT921X_ACL_BINb_MAC_xA0_L3_TYPE(type);
+ entries[i].mask[1] |= YT921X_ACL_BINb_MAC_xA0_L3_TYPE_M;
+ return size;
+ case YT921X_ACL_TYPE_MISC:
+ entries[i].key[0] |= YT921X_ACL_BINa_MISC_L3_TYPE(type);
+ entries[i].mask[0] |= YT921X_ACL_BINa_MISC_L3_TYPE_M;
+ return size;
+ }
+
+ if (size >= YT921X_ACL_ENT_PER_BLK)
+ return 0;
+
+ entries[size] = (typeof(*entries)){};
+ entries[size].key[0] = YT921X_ACL_BINa_MISC_L3_TYPE(type);
+ entries[size].key[1] = YT921X_ACL_KEYb_TYPE(YT921X_ACL_TYPE_MISC);
+ entries[size].mask[0] = YT921X_ACL_BINa_MISC_L3_TYPE_M;
+
+ return size + 1;
+}
+
+static unsigned int
+yt921x_acl_entries_set_l4_type(struct yt921x_acl_entry *entries,
+ unsigned int size, enum yt921x_l4_type type)
+{
+ for (unsigned int i = 0; i < size; i++)
+ switch (FIELD_GET(YT921X_ACL_KEYb_TYPE_M, entries[i].key[1])) {
+ case YT921X_ACL_TYPE_IPV4_DA:
+ case YT921X_ACL_TYPE_IPV4_SA:
+ entries[i].key[1] |= YT921X_ACL_BINb_IPV4_L4_TYPE(type);
+ entries[i].mask[1] |= YT921X_ACL_BINb_IPV4_L4_TYPE_M;
+ return size;
+ case YT921X_ACL_TYPE_IPV6_DA0:
+ case YT921X_ACL_TYPE_IPV6_DA1:
+ case YT921X_ACL_TYPE_IPV6_DA2:
+ case YT921X_ACL_TYPE_IPV6_DA3:
+ case YT921X_ACL_TYPE_IPV6_SA0:
+ case YT921X_ACL_TYPE_IPV6_SA1:
+ case YT921X_ACL_TYPE_IPV6_SA2:
+ case YT921X_ACL_TYPE_IPV6_SA3:
+ entries[i].key[1] |= YT921X_ACL_BINb_IPV6_L4_TYPE(type);
+ entries[i].mask[1] |= YT921X_ACL_BINb_IPV6_L4_TYPE_M;
+ return size;
+ case YT921X_ACL_TYPE_L4:
+ entries[i].key[1] |= YT921X_ACL_BINb_L4_TYPE(type);
+ entries[i].mask[1] |= YT921X_ACL_BINb_L4_TYPE_M;
+ return size;
+ case YT921X_ACL_TYPE_MISC:
+ entries[i].key[1] |= YT921X_ACL_BINb_MISC_L4_TYPE(type);
+ entries[i].mask[1] |= YT921X_ACL_BINb_MISC_L4_TYPE_M;
+ return size;
+ }
+
+ if (size >= YT921X_ACL_ENT_PER_BLK)
+ return 0;
+
+ entries[size] = (typeof(*entries)){};
+ entries[size].key[1] = YT921X_ACL_BINb_MISC_L4_TYPE(type) |
+ YT921X_ACL_KEYb_TYPE(YT921X_ACL_TYPE_MISC);
+ entries[size].mask[1] = YT921X_ACL_BINb_MISC_L4_TYPE_M;
+
+ return size + 1;
+}
+
+static struct yt921x_acl_entry *
+yt921x_acl_entries_new(struct yt921x_acl_entry *entries, unsigned int *sizep,
+ u32 type)
+{
+ unsigned int size = *sizep;
+
+ if (size >= YT921X_ACL_ENT_PER_BLK)
+ return NULL;
+
+ entries[size] = (typeof(*entries)){};
+ entries[size].key[1] = YT921X_ACL_KEYb_TYPE(type);
+
+ (*sizep)++;
+ return &entries[size];
+}
+
+static struct yt921x_acl_entry *
+yt921x_acl_entries_find(struct yt921x_acl_entry *entries, unsigned int *sizep,
+ u32 type)
+{
+ for (unsigned int i = 0; i < *sizep; i++)
+ if (FIELD_GET(YT921X_ACL_KEYb_TYPE_M, entries[i].key[1]) ==
+ type)
+ return &entries[i];
+ return yt921x_acl_entries_new(entries, sizep, type);
+}
+
+static void
+yt921x_acl_rule_set_ports(struct yt921x_acl_rule *aclrule, u16 ord,
+ u16 ports_mask)
+{
+ struct yt921x_acl_entry *entries = aclrule->entries;
+
+ for (unsigned int i = 0; i < hweight8(aclrule->mask); i++) {
+ entries[i].key[1] |= YT921X_ACL_KEYb_SPORTS(ports_mask) |
+ YT921X_ACL_KEYb_ORD(ord);
+ }
+}
+
+struct yt921x_acl_rule_ext {
+ struct yt921x_acl_rule r;
+
+ struct yt921x_marker marker;
+};
+
+static int
+yt921x_acl_rule_ext_parse_flow_entries(struct yt921x_acl_rule_ext *ruleext,
+ const struct flow_cls_offload *cls)
+{
+ const struct flow_rule *rule = flow_cls_offload_flow_rule(cls);
+ struct yt921x_acl_entry *entries = ruleext->r.entries;
+ struct netlink_ext_ack *extack = cls->common.extack;
+ const struct flow_dissector *dissector;
+ struct yt921x_acl_entry *entry;
+ unsigned int size = 0;
+ bool use_dport;
+ bool use_sport;
+
+ /* Incomplete and probably won't, since it supports custom u32 filters.
+ * New adapters are welcome.
+ */
+ dissector = rule->match.dissector;
+ if (dissector->used_keys &
+ ~(BIT_ULL(FLOW_DISSECTOR_KEY_CONTROL) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_BASIC) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_PORTS) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_PORTS_RANGE) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_IP) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_TCP))) {
+ NL_SET_ERR_MSG_MOD(extack, "Unsupported keys used");
+ return -EOPNOTSUPP;
+ }
+
+ /* Entries */
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS)) {
+ struct flow_match_ipv4_addrs match;
+
+ flow_rule_match_ipv4_addrs(rule, &match);
+
+ if (match.mask->dst) {
+ entry = yt921x_acl_entries_new(entries, &size,
+ YT921X_ACL_TYPE_IPV4_DA);
+ if (!entry)
+ goto err;
+
+ entry->key[0] |= ntohl(match.key->dst);
+ entry->mask[0] |= ntohl(match.mask->dst);
+ }
+
+ if (match.mask->src) {
+ entry = yt921x_acl_entries_new(entries, &size,
+ YT921X_ACL_TYPE_IPV4_SA);
+ if (!entry)
+ goto err;
+
+ entry->key[0] |= ntohl(match.key->src);
+ entry->mask[0] |= ntohl(match.mask->src);
+ }
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV6_ADDRS)) {
+ struct flow_match_ipv6_addrs match;
+
+ flow_rule_match_ipv6_addrs(rule, &match);
+
+ for (unsigned int i = 0; i < 4; i++) {
+ if (!match.mask->dst.s6_addr32[i])
+ continue;
+
+ entry = yt921x_acl_entries_new(entries, &size,
+ YT921X_ACL_TYPE_IPV6_DA0 + i);
+ if (!entry)
+ goto err;
+
+ entry->key[0] |= ntohl(match.key->dst.s6_addr32[i]);
+ entry->mask[0] |= ntohl(match.mask->dst.s6_addr32[i]);
+ }
+
+ for (unsigned int i = 0; i < 4; i++) {
+ if (!match.mask->src.s6_addr32[i])
+ continue;
+
+ entry = yt921x_acl_entries_new(entries, &size,
+ YT921X_ACL_TYPE_IPV6_SA0 + i);
+ if (!entry)
+ goto err;
+
+ entry->key[0] |= ntohl(match.key->src.s6_addr32[i]);
+ entry->mask[0] |= ntohl(match.mask->src.s6_addr32[i]);
+ }
+ }
+
+ use_dport = false;
+ use_sport = false;
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) {
+ struct flow_match_ports match;
+
+ entry = yt921x_acl_entries_new(entries, &size,
+ YT921X_ACL_TYPE_L4);
+ if (!entry)
+ goto err;
+
+ flow_rule_match_ports(rule, &match);
+
+ use_dport = !!match.mask->dst;
+ use_sport = !!match.mask->src;
+
+ entry->key[0] |= (ntohs(match.key->dst) << 16) |
+ ntohs(match.key->src);
+ entry->mask[0] |= (ntohs(match.mask->dst) << 16) |
+ ntohs(match.mask->src);
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS_RANGE)) {
+ struct flow_match_ports_range match;
+
+ entry = yt921x_acl_entries_find(entries, &size,
+ YT921X_ACL_TYPE_L4);
+ if (!entry)
+ goto err;
+
+ flow_rule_match_ports_range(rule, &match);
+
+ if ((use_dport && match.mask->tp.dst) ||
+ (use_sport && match.mask->tp.src)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Port mask and range are mutually exclusive");
+ return -EINVAL;
+ }
+
+ if (match.mask->tp.dst) {
+ entry->key[0] |= ntohs(match.key->tp_min.dst) << 16;
+ entry->key[1] |= YT921X_ACL_KEYb_L4_DPORT_RANGE_EN;
+ entry->mask[0] |= ntohs(match.key->tp_max.dst) << 16;
+ }
+
+ if (match.mask->tp.src) {
+ entry->key[0] |= ntohs(match.key->tp_min.src);
+ entry->key[1] |= YT921X_ACL_KEYb_L4_SPORT_RANGE_EN;
+ entry->mask[0] |= ntohs(match.key->tp_max.src);
+ }
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
+ struct flow_match_eth_addrs match;
+ u32 mask;
+
+ flow_rule_match_eth_addrs(rule, &match);
+
+ mask = ethaddr_hi4_to_u32(match.mask->dst);
+ if (mask) {
+ entry = yt921x_acl_entries_new(entries, &size,
+ YT921X_ACL_TYPE_MAC_DA0);
+ if (!entry)
+ goto err;
+
+ entry->key[0] |= ethaddr_hi4_to_u32(match.key->dst);
+ entry->mask[0] |= mask;
+ }
+
+ mask = ethaddr_hi4_to_u32(match.mask->src);
+ if (mask) {
+ entry = yt921x_acl_entries_new(entries, &size,
+ YT921X_ACL_TYPE_MAC_SA0);
+ if (!entry)
+ goto err;
+
+ entry->key[0] |= ethaddr_hi4_to_u32(match.key->src);
+ entry->mask[0] |= mask;
+ }
+
+ mask = (ethaddr_lo2_to_u32(match.mask->dst) << 16) |
+ ethaddr_lo2_to_u32(match.mask->src);
+ if (mask) {
+ entry = yt921x_acl_entries_new(entries, &size,
+ YT921X_ACL_TYPE_MAC_DA1_SA1);
+ if (!entry)
+ goto err;
+
+ entry->key[0] |= (ethaddr_lo2_to_u32(match.key->dst) << 16) |
+ ethaddr_lo2_to_u32(match.key->src);
+ entry->mask[0] |= mask;
+ }
+ }
+
+ /* Entries + Misc */
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
+ struct flow_match_basic match;
+
+ flow_rule_match_basic(rule, &match);
+
+ if (match.mask->n_proto) {
+ enum yt921x_l3_type l3type = YT921X_L3_TYPE_OTHER;
+
+ if (match.mask->n_proto == htons(~0))
+ switch (match.key->n_proto) {
+ case htons(ETH_P_IP):
+ l3type = YT921X_L3_TYPE_IPV4;
+ break;
+ case htons(ETH_P_IPV6):
+ l3type = YT921X_L3_TYPE_IPV6;
+ break;
+ case htons(ETH_P_ARP):
+ l3type = YT921X_L3_TYPE_ARP;
+ break;
+ case htons(ETH_P_LLDP):
+ l3type = YT921X_L3_TYPE_LLDP;
+ break;
+ case htons(ETH_P_PAE):
+ l3type = YT921X_L3_TYPE_PAE;
+ break;
+ case htons(ETH_P_CFM):
+ l3type = YT921X_L3_TYPE_ERP;
+ break;
+ }
+
+ if (l3type != YT921X_L3_TYPE_OTHER) {
+ size = yt921x_acl_entries_set_l3_type(entries,
+ size,
+ l3type);
+ if (!size)
+ goto err;
+ } else {
+ entry = yt921x_acl_entries_new(entries, &size,
+ YT921X_ACL_TYPE_ETHERTYPE);
+ if (!entry)
+ goto err;
+
+ entry->key[0] |= ntohs(match.key->n_proto);
+ entry->mask[0] |= ntohs(match.mask->n_proto);
+ }
+ }
+
+ if (match.mask->ip_proto) {
+ enum yt921x_l4_type l4type = YT921X_L4_TYPE_OTHER;
+
+ if (match.mask->ip_proto == (u8)~0)
+ switch (match.key->ip_proto) {
+ case IPPROTO_TCP:
+ l4type = YT921X_L4_TYPE_TCP;
+ break;
+ case IPPROTO_UDP:
+ l4type = YT921X_L4_TYPE_UDP;
+ break;
+ case IPPROTO_UDPLITE:
+ l4type = YT921X_L4_TYPE_UDPLITE;
+ break;
+ case IPPROTO_ICMP:
+ l4type = YT921X_L4_TYPE_ICMP;
+ break;
+ case IPPROTO_IGMP:
+ l4type = YT921X_L4_TYPE_IGMP;
+ break;
+ }
+
+ if (l4type != YT921X_L4_TYPE_OTHER) {
+ size = yt921x_acl_entries_set_l4_type(entries,
+ size,
+ l4type);
+ if (!size)
+ goto err;
+ } else {
+ entry = yt921x_acl_entries_find(entries, &size,
+ YT921X_ACL_TYPE_MISC);
+ if (!entry)
+ goto err;
+
+ entry->key[0] |= YT921X_ACL_BINa_MISC_IP_PROTO(match.key->ip_proto);
+ entry->mask[0] |= YT921X_ACL_BINa_MISC_IP_PROTO(match.mask->ip_proto);
+ }
+ }
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) {
+ u32 supp_flags = FLOW_DIS_IS_FRAGMENT | FLOW_DIS_FIRST_FRAG;
+ struct flow_match_control match;
+
+ flow_rule_match_control(rule, &match);
+ if (!flow_rule_is_supp_control_flags(supp_flags,
+ match.mask->flags, extack))
+ return -EOPNOTSUPP;
+
+ if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) {
+ bool set = match.key->flags & FLOW_DIS_IS_FRAGMENT;
+
+ size = yt921x_acl_entries_set_is_fragment(entries, size,
+ set);
+ if (!size)
+ goto err;
+ }
+ if (match.mask->flags & FLOW_DIS_FIRST_FRAG) {
+ bool set = match.key->flags & FLOW_DIS_FIRST_FRAG;
+
+ size = yt921x_acl_entries_set_first_frag(entries, size,
+ set);
+ if (!size)
+ goto err;
+ }
+ }
+
+ /* Misc only */
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) {
+ struct flow_match_ip match;
+
+ flow_rule_match_ip(rule, &match);
+ if (match.mask->ttl) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Matching on TTL not supported");
+ return -EOPNOTSUPP;
+ }
+
+ if (match.mask->tos) {
+ entry = yt921x_acl_entries_find(entries, &size,
+ YT921X_ACL_TYPE_MISC);
+ if (!entry)
+ goto err;
+
+ entry->key[0] |= YT921X_ACL_BINa_MISC_TOS(match.key->tos);
+ entry->mask[0] |= YT921X_ACL_BINa_MISC_TOS(match.mask->tos);
+ }
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) {
+ struct flow_match_tcp match;
+
+ flow_rule_match_tcp(rule, &match);
+ if (match.mask->flags & htons(~0xff)) {
+ NL_SET_ERR_MSG_MOD(extack, "Unsupported TCP flags");
+ return -EOPNOTSUPP;
+ }
+
+ if (match.mask->flags) {
+ entry = yt921x_acl_entries_find(entries, &size,
+ YT921X_ACL_TYPE_MISC);
+ if (!entry)
+ goto err;
+
+ entry->key[0] |= YT921X_ACL_BINa_MISC_TCP_FLAGS(ntohs(match.key->flags));
+ entry->mask[0] |= YT921X_ACL_BINa_MISC_TCP_FLAGS(ntohs(match.mask->flags));
+ }
+ }
+
+ if (!size) {
+ NL_SET_ERR_MSG_MOD(extack, "Empty rule generated, this should not happen");
+ return -EOPNOTSUPP;
+ }
+
+ ruleext->r.mask = (1 << size) - 1;
+ return 0;
+
+err:
+ NL_SET_ERR_MSG_MOD(extack, "Rule too complex");
+ return -EOPNOTSUPP;
+}
+
+static int
+yt921x_acl_rule_ext_parse_flow_action(struct yt921x_acl_rule_ext *ruleext,
+ const struct flow_cls_offload *cls,
+ struct yt921x_priv *priv, int port)
+{
+ const struct flow_rule *rule = flow_cls_offload_flow_rule(cls);
+ const struct flow_action *flow_action = &rule->action;
+ struct netlink_ext_ack *extack = cls->common.extack;
+ enum flow_action_id redir_act = NUM_FLOW_ACTIONS;
+ const struct flow_action_entry *act;
+ u32 *action = ruleext->r.action;
+ bool seen_priority = false;
+ const char *reason = NULL;
+ bool seen_police = false;
+ unsigned int i;
+ int res;
+
+ memset(action, 0, 3 * sizeof(*action));
+ flow_action_for_each(i, act, flow_action)
+ switch (act->id) {
+ case FLOW_ACTION_ACCEPT:
+ case FLOW_ACTION_DROP:
+ case FLOW_ACTION_REDIRECT:
+ if (redir_act != NUM_FLOW_ACTIONS &&
+ redir_act != act->id) {
+ reason = "Different redirect actions";
+ goto fallback;
+ }
+ redir_act = act->id;
+
+ switch (act->id) {
+ case FLOW_ACTION_ACCEPT:
+ action[2] |= YT921X_ACL_ACTc_FWD_EN |
+ YT921X_ACL_ACTc_FWD_FWD;
+ break;
+ case FLOW_ACTION_DROP:
+ action[2] |= YT921X_ACL_ACTc_FWD_EN |
+ YT921X_ACL_ACTc_FWD_REDIR;
+ break;
+ case FLOW_ACTION_REDIRECT: {
+ struct dsa_port *to_dp;
+
+ to_dp = dsa_port_from_netdev(act->dev);
+ if (IS_ERR(to_dp) || to_dp->ds != &priv->ds) {
+ reason = "Redirect to non-local port";
+ goto fallback;
+ }
+
+ action[2] |= YT921X_ACL_ACTc_FWD_EN |
+ YT921X_ACL_ACTc_FWD_REDIR |
+ YT921X_ACL_ACTc_FWD_REDIR_DPORTn(to_dp->index);
+ break;
+ }
+ default:
+ break;
+ }
+ break;
+ case FLOW_ACTION_PRIORITY:
+ if (seen_priority) {
+ action[0] &= ~YT921X_ACL_ACTa_PRIO_EN;
+ action[1] &= ~YT921X_ACL_ACTb_PRIO_M;
+
+ reason = "Multiple priority actions";
+ goto fallback;
+ }
+ seen_priority = true;
+
+ if (act->priority >= YT921X_PRIO_NUM) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Priority value is too high");
+ return -EOPNOTSUPP;
+ }
+ action[0] |= YT921X_ACL_ACTa_PRIO_EN;
+ action[1] |= YT921X_ACL_ACTb_PRIO(act->priority);
+ break;
+ case FLOW_ACTION_POLICE: {
+ const struct flow_action_police *police = &act->police;
+
+ if (seen_police) {
+ action[0] &= ~YT921X_ACL_ACTa_METER_EN;
+
+ reason = "Multiple police actions";
+ goto fallback;
+ }
+ seen_police = true;
+
+ res = yt921x_police_validate(police, flow_action, act,
+ extack);
+ if (res)
+ return res;
+
+ res = yt921x_marker_tfm_police(&ruleext->marker, police,
+ 0, priv, port, extack);
+ if (res)
+ return res;
+
+ action[0] |= YT921X_ACL_ACTa_METER_EN;
+ break;
+ }
+ default:
+fallback:
+ if (cls->common.skip_sw) {
+ NL_SET_ERR_MSG_FMT_MOD(extack,
+ "Action not supported when skip_sw: %s",
+ reason);
+ return -EOPNOTSUPP;
+ }
+ fallthrough;
+ case FLOW_ACTION_TRAP:
+ redir_act = FLOW_ACTION_TRAP;
+
+ action[2] &= ~YT921X_ACL_ACTc_FWD_REDIR_DPORTS_M &
+ ~YT921X_ACL_ACTc_FWD_M;
+ action[2] |= YT921X_ACL_ACTc_FWD_EN |
+ YT921X_ACL_ACTc_FWD_TRAP;
+ break;
+ }
+
+ ruleext->r.sw_assisted = !cls->common.skip_sw;
+ return 0;
+}
+
+static int
+yt921x_acl_rule_ext_parse_flow(struct yt921x_acl_rule_ext *ruleext, int port,
+ const struct flow_cls_offload *cls, bool ingress,
+ struct yt921x_priv *priv)
+{
+ struct netlink_ext_ack *extack = cls->common.extack;
+ int res;
+
+ if (!ingress) {
+ NL_SET_ERR_MSG_MOD(extack, "Only ingress is supported");
+ return -EOPNOTSUPP;
+ }
+
+ if (cls->common.chain_index) {
+ NL_SET_ERR_MSG(extack, "Only chain 0 is supported");
+ return -EOPNOTSUPP;
+ }
+
+ res = yt921x_acl_rule_ext_parse_flow_action(ruleext, cls, priv, port);
+ if (res)
+ return res;
+ res = yt921x_acl_rule_ext_parse_flow_entries(ruleext, cls);
+ if (res)
+ return res;
+
+ yt921x_acl_rule_set_ports(&ruleext->r, 0, BIT(port));
+ ruleext->r.tag = cls->cookie;
+ ruleext->r.type = TC_SETUP_CLSFLOWER;
+ return 0;
+}
+
+static unsigned int
+yt921x_acl_find(const struct yt921x_priv *priv, enum tc_setup_type type,
+ unsigned long tag)
+{
+ for (unsigned int blkid = 0; blkid < YT921X_ACL_BLK_NUM; blkid++) {
+ const struct yt921x_acl_blk *aclblk = priv->acl_blks[blkid];
+
+ if (!aclblk)
+ continue;
+
+ for (unsigned int i = 0; i < YT921X_ACL_ENT_PER_BLK; i++)
+ if (aclblk->rules[i] && aclblk->rules[i]->tag == tag &&
+ aclblk->rules[i]->type == type)
+ return YT921X_ACL_ENT_PER_BLK * blkid + i;
+ }
+
+ return UINT_MAX;
+}
+
+static unsigned int
+yt921x_acl_reserve(struct yt921x_priv *priv, unsigned int entscnt,
+ struct netlink_ext_ack *extack)
+{
+ int candidates[YT921X_ACL_ENT_PER_BLK + 1];
+ unsigned int acl_used_cnt = 0;
+
+ if (WARN_ON(entscnt > YT921X_ACL_ENT_PER_BLK))
+ return UINT_MAX;
+
+ for (unsigned int i = 0; i < ARRAY_SIZE(candidates); i++)
+ candidates[i] = -1;
+ for (unsigned int i = YT921X_ACL_BLK_NUM; i-- > 0;) {
+ unsigned int blk_used_cnt = hweight8(priv->acl_masks[i]);
+
+ candidates[blk_used_cnt] = i;
+ acl_used_cnt += blk_used_cnt;
+ }
+
+ if (acl_used_cnt >= YT921X_ACL_NUM) {
+ NL_SET_ERR_MSG_MOD(extack, "ACL entry limit reached");
+ return UINT_MAX;
+ }
+ if (acl_used_cnt + entscnt <= YT921X_ACL_NUM)
+ for (unsigned int i = YT921X_ACL_ENT_PER_BLK - entscnt + 1;
+ i-- > 0;)
+ if (candidates[i] >= 0)
+ return YT921X_ACL_ENT_PER_BLK * candidates[i] +
+ ffz(priv->acl_masks[candidates[i]]);
+
+ NL_SET_ERR_MSG_MOD(extack,
+ "ACL entry allocation failed, simplify your rules or remove existing rules");
+ return UINT_MAX;
+}
+
+static int
+yt921x_acl_commit(struct yt921x_priv *priv, unsigned int entid, u8 entsmask)
+{
+ const struct yt921x_acl_rule *aclrule;
+ const struct yt921x_acl_blk *aclblk;
+ unsigned int blkid;
+ unsigned int binid;
+ unsigned long mask;
+ u32 zeros[3] = {};
+ unsigned int i;
+ unsigned int o;
+ u32 ctrl;
+ int res;
+
+ blkid = entid / YT921X_ACL_ENT_PER_BLK;
+ binid = entid % YT921X_ACL_ENT_PER_BLK;
+ aclblk = priv->acl_blks[blkid];
+ aclrule = aclblk->rules[binid];
+
+ /* Write actions */
+ res = yt921x_reg96_write(priv, YT921X_ACLn_ACT(entid),
+ aclrule ? aclrule->action : zeros);
+ if (res)
+ return res;
+
+ /* Select the block */
+ ctrl = YT921X_ACL_BLK_CMD_MODIFY | YT921X_ACL_BLK_CMD_BLKID(blkid);
+ res = yt921x_reg_write(priv, YT921X_ACL_BLK_CMD, ctrl);
+ if (res)
+ return res;
+
+ /* Write keys and masks */
+ ctrl = 0;
+ for (unsigned int i = 0; i < YT921X_ACL_ENT_PER_BLK; i++)
+ ctrl |= YT921X_ACL_BLK_KEEP_KEEPn(i);
+
+ mask = entsmask;
+ i = 0;
+ for_each_set_bit(o, &mask, YT921X_ACL_ENT_PER_BLK) {
+ res = yt921x_reg64_write(priv, YT921X_ACLn_KEYm(blkid, o),
+ aclrule ? aclrule->entries[i].key :
+ zeros);
+ if (res)
+ return res;
+
+ res = yt921x_reg64_write(priv, YT921X_ACLn_MASKm(blkid, o),
+ aclrule ? aclrule->entries[i].mask :
+ zeros);
+ if (res)
+ return res;
+
+ ctrl &= ~YT921X_ACL_BLK_KEEP_KEEPn(o);
+ i++;
+ }
+
+ res = yt921x_reg_write(priv, YT921X_ACL_BLK_KEEP, ctrl);
+ if (res)
+ return res;
+
+ ctrl = 0;
+ for (unsigned int i = 0; i < YT921X_ACL_ENT_PER_BLK; i++) {
+ const struct yt921x_acl_rule *other = aclblk->rules[i];
+
+ if (!other)
+ continue;
+
+ mask = other->mask;
+ for_each_set_bit(o, &mask, YT921X_ACL_ENT_PER_BLK)
+ ctrl |= YT921X_ACL_ENTRY_ENm(o) |
+ YT921X_ACL_ENTRY_GRPIDm(o, i);
+ }
+ res = yt921x_reg_write(priv, YT921X_ACLn_ENTRY(blkid), ctrl);
+ if (res)
+ return res;
+
+ /* Commit the block */
+ ctrl = YT921X_ACL_BLK_CMD_BLKID(blkid);
+ res = yt921x_reg_write(priv, YT921X_ACL_BLK_CMD, ctrl);
+ if (res)
+ return res;
+
+ return 0;
+}
+
+static int
+yt921x_acl_del(struct yt921x_priv *priv, enum tc_setup_type type,
+ unsigned long tag)
+{
+ struct yt921x_acl_rule *aclrule;
+ struct yt921x_acl_blk *aclblk;
+ unsigned int binid;
+ unsigned int blkid;
+ unsigned int entid;
+ int res;
+
+ entid = yt921x_acl_find(priv, type, tag);
+ if (entid == UINT_MAX)
+ return -ENOENT;
+
+ blkid = entid / YT921X_ACL_ENT_PER_BLK;
+ binid = entid % YT921X_ACL_ENT_PER_BLK;
+ aclblk = priv->acl_blks[blkid];
+ aclrule = aclblk->rules[binid];
+
+ aclblk->rules[binid] = NULL;
+ res = yt921x_acl_commit(priv, entid, aclrule->mask);
+ /* the kernel never rolls back on failure */
+
+ if (aclrule->action[0] & YT921X_ACL_ACTa_METER_EN)
+ clear_bit(FIELD_GET(YT921X_ACL_ACTa_METER_ID_M,
+ aclrule->action[0]),
+ priv->meters_map);
+ priv->acl_masks[blkid] &= ~aclrule->mask;
+ kvfree(aclrule);
+ if (!priv->acl_masks[blkid]) {
+ kvfree(aclblk);
+ priv->acl_blks[blkid] = NULL;
+ }
+ return res;
+}
+
+static int
+yt921x_acl_add(struct yt921x_priv *priv,
+ const struct yt921x_acl_rule_ext *ruleext,
+ struct netlink_ext_ack *extack)
+{
+ unsigned int entscnt = hweight8(ruleext->r.mask);
+ struct yt921x_acl_rule *aclrule;
+ struct yt921x_acl_blk *aclblk;
+ bool use_trap = false;
+ unsigned int meterid;
+ unsigned long mask;
+ unsigned int binid;
+ unsigned int blkid;
+ unsigned int entid;
+ unsigned int o;
+ int res;
+
+ /* Allocate resources */
+ entid = yt921x_acl_reserve(priv, entscnt, extack);
+ if (entid == UINT_MAX)
+ return -EOPNOTSUPP;
+
+ if (!(ruleext->r.action[0] & YT921X_ACL_ACTa_METER_EN)) {
+ meterid = YT921X_METER_NUM;
+ } else {
+ meterid = find_first_zero_bit(priv->meters_map,
+ YT921X_METER_NUM);
+ if (meterid < YT921X_METER_NUM) {
+ res = yt921x_meter_config(priv, meterid,
+ &ruleext->marker);
+ if (res)
+ return res;
+ } else if (ruleext->r.sw_assisted) {
+ use_trap = true;
+ } else {
+ NL_SET_ERR_MSG_MOD(extack,
+ "No more meters available");
+ return -EOPNOTSUPP;
+ }
+ }
+
+ /* Prepare acl block ctrlblk */
+ blkid = entid / YT921X_ACL_ENT_PER_BLK;
+ binid = entid % YT921X_ACL_ENT_PER_BLK;
+ aclblk = priv->acl_blks[blkid];
+ if (!aclblk) {
+ aclblk = kvzalloc_obj(*aclblk);
+ if (!aclblk)
+ return -ENOMEM;
+ priv->acl_blks[blkid] = aclblk;
+ }
+
+ /* Prepare acl rule ctrlblk */
+ aclrule = kvmemdup(&ruleext->r,
+ offsetof(struct yt921x_acl_rule, entries[entscnt]),
+ GFP_KERNEL);
+ if (!aclrule) {
+ res = -ENOMEM;
+ goto err;
+ }
+
+ /* Replace the placeholder resource IDs */
+ aclrule->mask = 0;
+ mask = priv->acl_masks[blkid];
+ for_each_clear_bit(o, &mask, YT921X_ACL_ENT_PER_BLK) {
+ aclrule->mask |= BIT(o);
+ entscnt--;
+ if (!entscnt)
+ break;
+ }
+
+ if (use_trap) {
+ aclrule->action[2] &= ~YT921X_ACL_ACTc_FWD_REDIR_DPORTS_M &
+ ~YT921X_ACL_ACTc_FWD_M;
+ aclrule->action[2] |= YT921X_ACL_ACTc_FWD_EN |
+ YT921X_ACL_ACTc_FWD_TRAP;
+ }
+ if (meterid < YT921X_METER_NUM)
+ aclrule->action[0] |= YT921X_ACL_ACTa_METER_ID(meterid);
+ else
+ aclrule->action[0] &= ~YT921X_ACL_ACTa_METER_EN;
+
+ /* Write rules */
+ aclblk->rules[binid] = aclrule;
+ res = yt921x_acl_commit(priv, entid, aclrule->mask);
+ if (res) {
+ aclblk->rules[binid] = NULL;
+ kvfree(aclrule);
+ goto err;
+ }
+
+ if (meterid < YT921X_METER_NUM)
+ set_bit(meterid, priv->meters_map);
+ priv->acl_masks[blkid] |= aclrule->mask;
+ return 0;
+
+err:
+ if (!priv->acl_masks[blkid]) {
+ kvfree(aclblk);
+ priv->acl_blks[blkid] = NULL;
+ }
+ return res;
+}
+
+int
+yt921x_dsa_cls_flower_del(struct dsa_switch *ds, int port,
+ struct flow_cls_offload *cls, bool ingress)
+{
+ struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
+ int res;
+
+ mutex_lock(&priv->reg_lock);
+ res = yt921x_acl_del(priv, TC_SETUP_CLSFLOWER, cls->cookie);
+ mutex_unlock(&priv->reg_lock);
+
+ return res;
+}
+
+int
+yt921x_dsa_cls_flower_add(struct dsa_switch *ds, int port,
+ struct flow_cls_offload *cls, bool ingress)
+{
+ struct netlink_ext_ack *extack = cls->common.extack;
+ struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
+ struct yt921x_acl_rule_ext ruleext;
+ int res;
+
+ res = yt921x_acl_rule_ext_parse_flow(&ruleext, port, cls, ingress,
+ priv);
+ if (res)
+ return res;
+
+ mutex_lock(&priv->reg_lock);
+ res = yt921x_acl_add(priv, &ruleext, extack);
+ mutex_unlock(&priv->reg_lock);
+
+ return res;
+}
+
+static int
+yt921x_mirror_del(struct yt921x_priv *priv, int port, bool ingress)
+{
+ u32 mask;
+
+ if (ingress)
+ mask = YT921X_MIRROR_IGR_PORTn(port);
+ else
+ mask = YT921X_MIRROR_EGR_PORTn(port);
+ return yt921x_reg_clear_bits(priv, YT921X_MIRROR, mask);
+}
+
+static int
+yt921x_mirror_add(struct yt921x_priv *priv, int port, bool ingress,
+ int to_local_port, struct netlink_ext_ack *extack)
+{
+ u32 srcs;
+ u32 ctrl;
+ u32 val;
+ u32 dst;
+ int res;
+
+ if (ingress)
+ srcs = YT921X_MIRROR_IGR_PORTn(port);
+ else
+ srcs = YT921X_MIRROR_EGR_PORTn(port);
+ dst = YT921X_MIRROR_PORT(to_local_port);
+
+ res = yt921x_reg_read(priv, YT921X_MIRROR, &val);
+ if (res)
+ return res;
+
+ /* other mirror tasks & different dst port -> conflict */
+ if ((val & ~srcs & (YT921X_MIRROR_EGR_PORTS_M |
+ YT921X_MIRROR_IGR_PORTS_M)) &&
+ (val & YT921X_MIRROR_PORT_M) != dst) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Sniffer port is already configured, delete existing rules & retry");
+ return -EBUSY;
+ }
+
+ ctrl = val & ~YT921X_MIRROR_PORT_M;
+ ctrl |= srcs;
+ ctrl |= dst;
+
+ if (ctrl == val)
+ return 0;
+
+ return yt921x_reg_write(priv, YT921X_MIRROR, ctrl);
+}
+
+void
+yt921x_dsa_port_mirror_del(struct dsa_switch *ds, int port,
+ struct dsa_mall_mirror_tc_entry *mirror)
+{
+ struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
+ struct device *dev = yt921x_priv_to_device(priv);
+ int res;
+
+ mutex_lock(&priv->reg_lock);
+ res = yt921x_mirror_del(priv, port, mirror->ingress);
+ mutex_unlock(&priv->reg_lock);
+
+ if (res)
+ dev_err(dev, "Failed to %s port %d: %i\n", "unmirror",
+ port, res);
+}
+
+int
+yt921x_dsa_port_mirror_add(struct dsa_switch *ds, int port,
+ struct dsa_mall_mirror_tc_entry *mirror,
+ bool ingress, struct netlink_ext_ack *extack)
+{
+ struct yt921x_priv *priv = dsa_to_yt921x_priv(ds);
+ int res;
+
+ mutex_lock(&priv->reg_lock);
+ res = yt921x_mirror_add(priv, port, ingress,
+ mirror->to_local_port, extack);
+ mutex_unlock(&priv->reg_lock);
+
+ return res;
+}
+
+int yt921x_chip_setup_tc(struct yt921x_priv *priv)
+{
+ unsigned int op_ns;
+ u32 ctrl;
+ int res;
+
+ op_ns = 8 * priv->cycle_ns;
+
+ ctrl = max(priv->meter_slot_ns / op_ns, YT921X_METER_SLOT_MIN);
+ res = yt921x_reg_write(priv, YT921X_METER_SLOT, ctrl);
+ if (res)
+ return res;
+ priv->meter_slot_ns = ctrl * op_ns;
+
+ ctrl = max(priv->port_shape_slot_ns / op_ns,
+ YT921X_PORT_SHAPE_SLOT_MIN);
+ res = yt921x_reg_write(priv, YT921X_PORT_SHAPE_SLOT, ctrl);
+ if (res)
+ return res;
+ priv->port_shape_slot_ns = ctrl * op_ns;
+
+ return 0;
+}
+
+int yt921x_chip_setup_acl(struct yt921x_priv *priv)
+{
+ u32 ctrl;
+ int res;
+
+ ctrl = YT921X_ACL_PERMIT_UNMATCH_PORTS_M;
+ res = yt921x_reg_write(priv, YT921X_ACL_PERMIT_UNMATCH, ctrl);
+ if (res)
+ return res;
+
+ ctrl = YT921X_ACL_PORT_PORTS_M;
+ res = yt921x_reg_write(priv, YT921X_ACL_PORT, ctrl);
+ if (res)
+ return res;
+
+ return 0;
+}
diff --git a/drivers/net/dsa/motorcomm/tc.h b/drivers/net/dsa/motorcomm/tc.h
new file mode 100644
index 000000000000..32b53f1f3825
--- /dev/null
+++ b/drivers/net/dsa/motorcomm/tc.h
@@ -0,0 +1,380 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2026 David Yang
+ */
+
+#ifndef _YT_TC_H
+#define _YT_TC_H
+
+#include <net/dsa.h>
+#include <net/pkt_cls.h>
+
+#define YT921X_ACLn_ACT(n) (0x1c0000 + 0x10 * (n))
+#define YT921X_ACL_ACTc_STAG_M GENMASK(26, 25)
+#define YT921X_ACL_ACTc_STAG(x) FIELD_PREP(YT921X_ACL_ACTc_STAG_M, (x))
+#define YT921X_ACL_ACTc_STAG_DONTCARE YT921X_ACL_ACTc_STAG(0)
+#define YT921X_ACL_ACTc_STAG_UNTAG YT921X_ACL_ACTc_STAG(1)
+#define YT921X_ACL_ACTc_STAG_TAG YT921X_ACL_ACTc_STAG(2)
+#define YT921X_ACL_ACTc_STAG_KEEP YT921X_ACL_ACTc_STAG(3)
+#define YT921X_ACL_ACTc_CTAG_M GENMASK(24, 23)
+#define YT921X_ACL_ACTc_CTAG(x) FIELD_PREP(YT921X_ACL_ACTc_CTAG_M, (x))
+#define YT921X_ACL_ACTc_CTAG_DONTCARE YT921X_ACL_ACTc_CTAG(0)
+#define YT921X_ACL_ACTc_CTAG_UNTAG YT921X_ACL_ACTc_CTAG(1)
+#define YT921X_ACL_ACTc_CTAG_TAG YT921X_ACL_ACTc_CTAG(2)
+#define YT921X_ACL_ACTc_CTAG_KEEP YT921X_ACL_ACTc_CTAG(3)
+#define YT921X_ACL_ACTc_FWD_M GENMASK(22, 21)
+#define YT921X_ACL_ACTc_FWD(x) FIELD_PREP(YT921X_ACL_ACTc_FWD_M, (x))
+#define YT921X_ACL_ACTc_FWD_FWD YT921X_ACL_ACTc_FWD(0)
+#define YT921X_ACL_ACTc_FWD_COPY YT921X_ACL_ACTc_FWD(1)
+#define YT921X_ACL_ACTc_FWD_REDIR YT921X_ACL_ACTc_FWD(2)
+#define YT921X_ACL_ACTc_FWD_TRAP YT921X_ACL_ACTc_FWD(3)
+#define YT921X_ACL_ACTc_FWD_REDIR_DPORTS_M GENMASK(20, 10)
+#define YT921X_ACL_ACTc_FWD_REDIR_DPORTS(x) FIELD_PREP(YT921X_ACL_ACTc_FWD_REDIR_DPORTS_M, (x))
+#define YT921X_ACL_ACTc_FWD_REDIR_DPORTn(port) BIT((port) + 10)
+#define YT921X_ACL_ACTc_FWD_EN BIT(9)
+#define YT921X_ACL_ACTc_SDEI BIT(8)
+#define YT921X_ACL_ACTc_SDEI_REPLACE BIT(7)
+#define YT921X_ACL_ACTc_SPRI_M GENMASK(6, 4)
+#define YT921X_ACL_ACTc_SPRI(x) FIELD_PREP(YT921X_ACL_ACTc_SPRI_M, (x))
+#define YT921X_ACL_ACTc_SPRI_REPLACE BIT(3)
+#define YT921X_ACL_ACTbc_SVID_M GENMASK_ULL(34, 23)
+#define YT921X_ACL_ACTbc_SVID(x) FIELD_PREP(YT921X_ACL_ACTbc_SVID_M, (x))
+#define YT921X_ACL_ACTb_SVID_REPLACE BIT(22)
+#define YT921X_ACL_ACTb_CDEI BIT(21)
+#define YT921X_ACL_ACTb_CDEI_REPLACE BIT(20)
+#define YT921X_ACL_ACTb_CPRI_M GENMASK(19, 17)
+#define YT921X_ACL_ACTb_CPRI(x) FIELD_PREP(YT921X_ACL_ACTb_CPRI_M, (x))
+#define YT921X_ACL_ACTb_CPRI_REPLACE BIT(16)
+#define YT921X_ACL_ACTb_CVID_M GENMASK(15, 4)
+#define YT921X_ACL_ACTb_CVID(x) FIELD_PREP(YT921X_ACL_ACTb_CVID_M, (x))
+#define YT921X_ACL_ACTb_CVID_REPLACE BIT(3)
+#define YT921X_ACL_ACTb_PRIO_M GENMASK(2, 0)
+#define YT921X_ACL_ACTb_PRIO(x) FIELD_PREP(YT921X_ACL_ACTb_PRIO_M, (x))
+#define YT921X_ACL_ACTa_PRIO_EN BIT(31)
+#define YT921X_ACL_ACTa_COLOR_M GENMASK(30, 29)
+#define YT921X_ACL_ACTa_COLOR(x) FIELD_PREP(YT921X_ACL_ACTa_COLOR_M, (x))
+#define YT921X_ACL_ACTa_COLOR_GREEN YT921X_ACL_ACTa_COLOR(0)
+#define YT921X_ACL_ACTa_COLOR_YELLOW YT921X_ACL_ACTa_COLOR(1)
+#define YT921X_ACL_ACTa_COLOR_RED YT921X_ACL_ACTa_COLOR(2)
+#define YT921X_ACL_ACTa_COLOR_EN BIT(28)
+#define YT921X_ACL_ACTa_DSCP_M GENMASK(27, 22)
+#define YT921X_ACL_ACTa_DSCP(x) FIELD_PREP(YT921X_ACL_ACTa_DSCP_M, (x))
+#define YT921X_ACL_ACTa_DSCP_REPLACE BIT(21)
+#define YT921X_ACL_ACTa_METER_ID_M GENMASK(20, 15)
+#define YT921X_ACL_ACTa_METER_ID(x) FIELD_PREP(YT921X_ACL_ACTa_METER_ID_M, (x))
+#define YT921X_ACL_ACTa_METER_EN BIT(14)
+#define YT921X_ACL_ACTa_MIRROR_EN BIT(13)
+#define YT921X_ACL_ACTa_FLOWSTAT_EN BIT(12)
+#define YT921X_ACL_ACTa_FLOWSTAT_ID_M GENMASK(11, 6)
+#define YT921X_ACL_ACTa_FLOWSTAT_ID(x) FIELD_PREP(YT921X_ACL_ACTa_FLOWSTAT_ID_M, (x))
+#define YT921X_ACL_ACTa_GPIO_EN BIT(5)
+#define YT921X_ACL_ACTa_GPIO_PIN_M GENMASK(4, 1)
+#define YT921X_ACL_ACTa_GPIO_PIN(x) FIELD_PREP(YT921X_ACL_ACTa_GPIO_PIN_M, (x))
+#define YT921X_ACL_ACTa_INTR_EN BIT(0)
+#define YT921X_ACL_BLK_KEEP 0x201000
+#define YT921X_ACL_BLK_KEEP_GRPIDn_M(bin) (7 << (4 * (bin) + 1))
+#define YT921X_ACL_BLK_KEEP_GRPIDn(bin, x) ((x) << (4 * (bin) + 1))
+#define YT921X_ACL_BLK_KEEP_KEEPn(bin) BIT(4 * (bin))
+#define YT921X_ACL_PORT 0x202000
+#define YT921X_ACL_PORT_PORTS_M GENMASK(10, 0)
+#define YT921X_ACL_PORT_PORTS(x) FIELD_PREP(YT921X_ACL_PORT_PORTS_M, (x))
+#define YT921X_ACL_PORT_PORTn(port) BIT(port)
+#define YT921X_ACL_BLK_CMD 0x202004
+#define YT921X_ACL_BLK_CMD_BLKID_M GENMASK(6, 1)
+#define YT921X_ACL_BLK_CMD_BLKID(x) FIELD_PREP(YT921X_ACL_BLK_CMD_BLKID_M, (x))
+#define YT921X_ACL_BLK_CMD_MODIFY BIT(0)
+#define YT921X_ACLn_ENTRY(blk) (0x203000 + 4 * (blk))
+#define YT921X_ACL_ENTRY_GRPIDm_M(bin) (7 << (4 * (bin) + 1))
+#define YT921X_ACL_ENTRY_GRPIDm(bin, x) ((x) << (4 * (bin) + 1))
+#define YT921X_ACL_ENTRY_ENm(bin) BIT(4 * (bin))
+#define YT921X_ACLn_KEYm(blk, bin) (0x204000 + 0x200 * (bin) + 8 * (blk))
+#define YT921X_ACL_KEYb_ORD_M GENMASK(29, 21)
+#define YT921X_ACL_KEYb_ORD(x) FIELD_PREP(YT921X_ACL_KEYb_ORD_M, (x))
+#define YT921X_ACL_KEYb_SPORTS_M GENMASK(20, 10)
+#define YT921X_ACL_KEYb_SPORTS(x) FIELD_PREP(YT921X_ACL_KEYb_SPORTS_M, (x))
+#define YT921X_ACL_KEYb_SPORTn(port) BIT((port) + 10)
+#define YT921X_ACL_KEYb_REVERSE BIT(9) /* reverse match */
+#define YT921X_ACL_KEYb_TYPE_M GENMASK(8, 4)
+#define YT921X_ACL_KEYb_TYPE(x) FIELD_PREP(YT921X_ACL_KEYb_TYPE_M, (x))
+/* KEY_* fields need no masks */
+#define YT921X_ACLn_MASKm(blk, bin) (0x205000 + 0x200 * (bin) + 8 * (blk))
+
+enum yt921x_acl_type {
+ YT921X_ACL_TYPE_NA,
+ YT921X_ACL_TYPE_MAC_DA0,
+ YT921X_ACL_TYPE_MAC_SA0,
+ YT921X_ACL_TYPE_MAC_DA1_SA1,
+ YT921X_ACL_TYPE_VLAN,
+ YT921X_ACL_TYPE_VTAG,
+ YT921X_ACL_TYPE_IPV4_DA,
+ YT921X_ACL_TYPE_IPV4_SA,
+ YT921X_ACL_TYPE_IPV6_DA0,
+ YT921X_ACL_TYPE_IPV6_DA1,
+ YT921X_ACL_TYPE_IPV6_DA2,
+ YT921X_ACL_TYPE_IPV6_DA3,
+ YT921X_ACL_TYPE_IPV6_SA0,
+ YT921X_ACL_TYPE_IPV6_SA1,
+ YT921X_ACL_TYPE_IPV6_SA2,
+ YT921X_ACL_TYPE_IPV6_SA3,
+ YT921X_ACL_TYPE_MISC,
+ YT921X_ACL_TYPE_L4,
+ YT921X_ACL_TYPE_UDF0,
+ YT921X_ACL_TYPE_UDF1,
+ YT921X_ACL_TYPE_UDF2,
+ YT921X_ACL_TYPE_UDF3,
+ YT921X_ACL_TYPE_UDF4,
+ YT921X_ACL_TYPE_UDF5,
+ YT921X_ACL_TYPE_UDF6,
+ YT921X_ACL_TYPE_UDF7,
+ YT921X_ACL_TYPE_ETHERTYPE,
+ YT921X_ACL_TYPE_NUM
+};
+
+/* Range: turn KEY:MASK into MIN:MAX */
+
+#define YT921X_ACL_BINb_MAC_xA0_L3_TYPE_M GENMASK(3, 0)
+#define YT921X_ACL_BINb_MAC_xA0_L3_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_MAC_xA0_L3_TYPE_M, (x))
+#define YT921X_ACL_BINa_MAC_xA0_MAC_xA0_M GENMASK(31, 0)
+
+#define YT921X_ACL_BINb_MAC_DA1_SA1_L2_TYPE_M GENMASK(2, 0)
+#define YT921X_ACL_BINb_MAC_DA1_SA1_L2_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_MAC_DA1_SA1_L2_TYPE_M, (x))
+#define YT921X_ACL_BINa_MAC_DA1_SA1_MAC_DA1_M GENMASK(31, 16)
+#define YT921X_ACL_BINa_MAC_DA1_SA1_MAC_SA1_M GENMASK(15, 0)
+
+#define YT921X_ACL_KEYb_VLAN_SVID_RANGE_EN BIT(31)
+#define YT921X_ACL_KEYb_VLAN_CVID_RANGE_EN BIT(30)
+#define YT921X_ACL_BINb_VLAN_CDEI BIT(3)
+#define YT921X_ACL_BINb_VLAN_CPRI_M GENMASK(2, 0)
+#define YT921X_ACL_BINb_VLAN_CPRI(x) FIELD_PREP(YT921X_ACL_BINb_VLAN_CPRI_M, (x))
+#define YT921X_ACL_BINa_VLAN_CTAG_FMT_M GENMASK(31, 30)
+#define YT921X_ACL_BINa_VLAN_CTAG_FMT(x) FIELD_PREP(YT921X_ACL_BINa_VLAN_CTAG_FMT_M, (x))
+#define YT921X_ACL_BINa_VLAN_SDEI BIT(29)
+#define YT921X_ACL_BINa_VLAN_SPRI_M GENMASK(28, 26)
+#define YT921X_ACL_BINa_VLAN_SPRI(x) FIELD_PREP(YT921X_ACL_BINa_VLAN_SPRI_M, (x))
+#define YT921X_ACL_BINa_VLAN_STAG_FMT_M GENMASK(25, 24)
+#define YT921X_ACL_BINa_VLAN_STAG_FMT(x) FIELD_PREP(YT921X_ACL_BINa_VLAN_STAG_FMT_M, (x))
+#define YT921X_ACL_BINa_VLAN_SVID_M GENMASK(23, 12)
+#define YT921X_ACL_BINa_VLAN_SVID(x) FIELD_PREP(YT921X_ACL_BINa_VLAN_SVID_M, (x))
+#define YT921X_ACL_BINa_VLAN_CVID_M GENMASK(11, 0)
+#define YT921X_ACL_BINa_VLAN_CVID(x) FIELD_PREP(YT921X_ACL_BINa_VLAN_CVID_M, (x))
+
+#define YT921X_ACL_KEYb_VTAG_SVID_RANGE_EN BIT(31)
+#define YT921X_ACL_KEYb_VTAG_CVID_RANGE_EN BIT(30)
+#define YT921X_ACL_BINa_VTAG_CDEI BIT(31)
+#define YT921X_ACL_BINa_VTAG_CPRI_M GENMASK(30, 28)
+#define YT921X_ACL_BINa_VTAG_CPRI(x) FIELD_PREP(YT921X_ACL_BINa_VTAG_CPRI_M, (x))
+#define YT921X_ACL_BINa_VTAG_SDEI BIT(27)
+#define YT921X_ACL_BINa_VTAG_SPRI_M GENMASK(26, 24)
+#define YT921X_ACL_BINa_VTAG_SPRI(x) FIELD_PREP(YT921X_ACL_BINa_VTAG_SPRI_M, (x))
+#define YT921X_ACL_BINa_VTAG_SVID_M GENMASK(23, 12)
+#define YT921X_ACL_BINa_VTAG_SVID(x) FIELD_PREP(YT921X_ACL_BINa_VTAG_SVID_M, (x))
+#define YT921X_ACL_BINa_VTAG_CVID_M GENMASK(11, 0)
+#define YT921X_ACL_BINa_VTAG_CVID(x) FIELD_PREP(YT921X_ACL_BINa_VTAG_CVID_M, (x))
+
+#define YT921X_ACL_KEYb_IPV4_ADDR_RANGE_EN BIT(30)
+#define YT921X_ACL_BINb_IPV4_FRAG BIT(3)
+#define YT921X_ACL_BINb_IPV4_L4_TYPE_M GENMASK(2, 0)
+#define YT921X_ACL_BINb_IPV4_L4_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_IPV4_L4_TYPE_M, (x))
+#define YT921X_ACL_BINa_IPV4_ADDR_M GENMASK(31, 0)
+
+#define YT921X_ACL_BINb_IPV6_L4_TYPE_M GENMASK(2, 0)
+#define YT921X_ACL_BINb_IPV6_L4_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_IPV6_L4_TYPE_M, (x))
+#define YT921X_ACL_BINa_IPV6_ADDRx_M GENMASK(31, 0)
+
+#define YT921X_ACL_BINb_IPV6_xA1_IP_OPTION BIT(3)
+
+#define YT921X_ACL_BINb_IPV6_xA2_FIRST_FRAG BIT(3)
+
+#define YT921X_ACL_KEYb_IPV6_xA3_ADDR_RANGE_EN BIT(30)
+#define YT921X_ACL_BINb_IPV6_xA3_FRAG BIT(3)
+
+#define YT921X_ACL_BINb_MISC_FRAG BIT(3)
+#define YT921X_ACL_BINb_MISC_L4_TYPE_M GENMASK(2, 0)
+#define YT921X_ACL_BINb_MISC_L4_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_MISC_L4_TYPE_M, (x))
+#define YT921X_ACL_BINa_MISC_PPPOE_FLAG BIT(30)
+#define YT921X_ACL_BINa_MISC_FIRST_FRAG BIT(29)
+#define YT921X_ACL_BINa_MISC_IP_OPTION BIT(28)
+#define YT921X_ACL_BINa_MISC_TCP_FLAGS_M GENMASK(27, 20)
+#define YT921X_ACL_BINa_MISC_TCP_FLAGS(x) FIELD_PREP(YT921X_ACL_BINa_MISC_TCP_FLAGS_M, (x))
+#define YT921X_ACL_BINa_MISC_IP_PROTO_M GENMASK(19, 12)
+#define YT921X_ACL_BINa_MISC_IP_PROTO(x) FIELD_PREP(YT921X_ACL_BINa_MISC_IP_PROTO_M, (x))
+#define YT921X_ACL_BINa_MISC_TOS_M GENMASK(11, 4)
+#define YT921X_ACL_BINa_MISC_TOS(x) FIELD_PREP(YT921X_ACL_BINa_MISC_TOS_M, (x))
+#define YT921X_ACL_BINa_MISC_L3_TYPE_M GENMASK(3, 0)
+#define YT921X_ACL_BINa_MISC_L3_TYPE(x) FIELD_PREP(YT921X_ACL_BINa_MISC_L3_TYPE_M, (x))
+
+#define YT921X_ACL_KEYb_L4_DPORT_RANGE_EN BIT(31)
+#define YT921X_ACL_KEYb_L4_SPORT_RANGE_EN BIT(30)
+#define YT921X_ACL_BINb_L4_FRAG BIT(3)
+#define YT921X_ACL_BINb_L4_TYPE_M GENMASK(2, 0)
+#define YT921X_ACL_BINb_L4_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_L4_TYPE_M, (x))
+#define YT921X_ACL_BINa_L4_DPORT_M GENMASK(31, 16)
+#define YT921X_ACL_BINa_L4_SPORT_M GENMASK(15, 0)
+
+#define YT921X_ACL_BINb_UDF_IS_IGMP BIT(0)
+#define YT921X_ACL_BINa_UDF_UDF0_M GENMASK(31, 16)
+#define YT921X_ACL_BINa_UDF_UDF0(x) FIELD_PREP(YT921X_ACL_BINa_UDF_UDF0_M, (x))
+#define YT921X_ACL_BINa_UDF_UDF1_M GENMASK(15, 0)
+#define YT921X_ACL_BINa_UDF_UDF1(x) FIELD_PREP(YT921X_ACL_BINa_UDF_UDF1_M, (x))
+
+#define YT921X_ACL_KEYb_ETHERTYPE_ETHERTYPE_RANGE_EN BIT(30)
+#define YT921X_ACL_BINb_ETHERTYPE_L4_TYPE_M GENMASK(2, 0)
+#define YT921X_ACL_BINb_ETHERTYPE_L4_TYPE(x) FIELD_PREP(YT921X_ACL_BINb_ETHERTYPE_L4_TYPE_M, (x))
+#define YT921X_ACL_BINa_ETHERTYPE_ETHERTYPE_M GENMASK(15, 0)
+#define YT921X_ACL_BINa_ETHERTYPE_ETHERTYPE(x) FIELD_PREP(YT921X_ACL_BINa_ETHERTYPE_ETHERTYPE_M, (x))
+
+enum yt921x_l2_type {
+ YT921X_L2_TYPE_ETH,
+ YT921X_L2_TYPE_ETHV2,
+ YT921X_L2_TYPE_ETHSAP,
+ YT921X_L2_TYPE_ETHSNAP,
+};
+
+enum yt921x_l3_type {
+ YT921X_L3_TYPE_OTHER,
+ YT921X_L3_TYPE_IPV4,
+ YT921X_L3_TYPE_IPV6,
+ YT921X_L3_TYPE_ARP,
+ YT921X_L3_TYPE_LLDP,
+ YT921X_L3_TYPE_PAE,
+ YT921X_L3_TYPE_ERP,
+ YT921X_L3_TYPE_SLOW_PROTOCOL,
+};
+
+enum yt921x_l4_type {
+ YT921X_L4_TYPE_OTHER,
+ YT921X_L4_TYPE_TCP,
+ YT921X_L4_TYPE_UDP,
+ YT921X_L4_TYPE_UDPLITE,
+ YT921X_L4_TYPE_ICMP,
+ YT921X_L4_TYPE_IGMP,
+ YT921X_L4_TYPE_MLD,
+ YT921X_L4_TYPE_ND,
+};
+
+#define YT921X_UDFn_CTRL(x) (0x210094 + 4 * (x))
+#define YT921X_UDF_CTRL_UDF_TYPE_M GENMASK(8, 7)
+#define YT921X_UDF_CTRL_UDF_TYPE(x) FIELD_PREP(YT921X_UDF_CTRL_UDF_TYPE_M, (x))
+#define YT921X_UDF_CTRL_UDF_TYPE_ETH YT921X_UDF_CTRL_UDF_TYPE(0)
+#define YT921X_UDF_CTRL_UDF_TYPE_L3 YT921X_UDF_CTRL_UDF_TYPE(1)
+#define YT921X_UDF_CTRL_UDF_TYPE_L4 YT921X_UDF_CTRL_UDF_TYPE(2)
+#define YT921X_UDF_CTRL_UDF_OFFSET_M GENMASK(6, 0)
+#define YT921X_UDF_CTRL_UDF_OFFSET(x) FIELD_PREP(YT921X_UDF_CTRL_UDF_OFFSET_M, (x))
+
+#define YT921X_PORTn_RATE(port) (0x220000 + 4 * (port))
+#define YT921X_PORT_RATE_GAP_VALUE GENMASK(4, 0) /* default 20 */
+#define YT921X_METER_SLOT 0x220104
+#define YT921X_METER_SLOT_SLOT_M GENMASK(11, 0)
+#define YT921X_PORTn_METER(port) (0x220108 + 4 * (port))
+#define YT921X_PORT_METER_EN BIT(4)
+#define YT921X_PORT_METER_ID_M GENMASK(3, 0)
+#define YT921X_PORT_METER_ID(x) FIELD_PREP(YT921X_PORT_METER_ID_M, (x))
+#define YT921X_METERn_CTRL(x) (0x220800 + 0x10 * (x))
+#define YT921X_METER_CTRLc_METER_EN BIT(14)
+#define YT921X_METER_CTRLc_TOKEN_OVERFLOW_EN BIT(13) /* RFC4115: yellow use unused green bw */
+#define YT921X_METER_CTRLc_DROP_M GENMASK(12, 11)
+#define YT921X_METER_CTRLc_DROP(x) FIELD_PREP(YT921X_METER_CTRLc_DROP_M, (x))
+#define YT921X_METER_CTRLc_DROP_GYR YT921X_METER_CTRLc_DROP(0)
+#define YT921X_METER_CTRLc_DROP_YR YT921X_METER_CTRLc_DROP(1)
+#define YT921X_METER_CTRLc_DROP_R YT921X_METER_CTRLc_DROP(2)
+#define YT921X_METER_CTRLc_DROP_NONE YT921X_METER_CTRLc_DROP(3)
+#define YT921X_METER_CTRLc_COLOR_BLIND BIT(10)
+#define YT921X_METER_CTRLc_UNIT_M GENMASK(9, 7)
+#define YT921X_METER_CTRLc_UNIT(x) FIELD_PREP(YT921X_METER_CTRLc_UNIT_M, (x))
+#define YT921X_METER_CTRLc_BYTE_MODE_INCLUDE_GAP BIT(6) /* +GAP_VALUE bytes each packet */
+#define YT921X_METER_CTRLc_PKT_MODE BIT(5) /* 0: byte rate mode */
+#define YT921X_METER_CTRLc_RFC2698 BIT(4) /* 0: RFC4115 */
+#define YT921X_METER_CTRLbc_CBS_M GENMASK_ULL(35, 20)
+#define YT921X_METER_CTRLbc_CBS(x) FIELD_PREP(YT921X_METER_CTRLbc_CBS_M, (x))
+#define YT921X_METER_CTRLb_CIR_M GENMASK(19, 2)
+#define YT921X_METER_CTRLb_CIR(x) FIELD_PREP(YT921X_METER_CTRLb_CIR_M, (x))
+#define YT921X_METER_CTRLab_EBS_M GENMASK_ULL(33, 18)
+#define YT921X_METER_CTRLab_EBS(x) FIELD_PREP(YT921X_METER_CTRLab_EBS_M, (x))
+#define YT921X_METER_CTRLa_EIR_M GENMASK(17, 0)
+#define YT921X_METER_CTRLa_EIR(x) FIELD_PREP(YT921X_METER_CTRLa_EIR_M, (x))
+#define YT921X_METERn_STAT(x) (0x221000 + 8 * (x))
+
+#define YT921X_MIRROR 0x300300
+#define YT921X_MIRROR_IGR_PORTS_M GENMASK(26, 16)
+#define YT921X_MIRROR_IGR_PORTS(x) FIELD_PREP(YT921X_MIRROR_IGR_PORTS_M, (x))
+#define YT921X_MIRROR_IGR_PORTn(port) BIT((port) + 16)
+#define YT921X_MIRROR_EGR_PORTS_M GENMASK(14, 4)
+#define YT921X_MIRROR_EGR_PORTS(x) FIELD_PREP(YT921X_MIRROR_EGR_PORTS_M, (x))
+#define YT921X_MIRROR_EGR_PORTn(port) BIT((port) + 4)
+#define YT921X_MIRROR_PORT_M GENMASK(3, 0)
+#define YT921X_MIRROR_PORT(x) FIELD_PREP(YT921X_MIRROR_PORT_M, (x))
+
+#define YT921X_PORT_SHAPE_SLOT 0x34000c
+#define YT921X_PORT_SHAPE_SLOT_SLOT_M GENMASK(11, 0)
+#define YT921X_PORTn_SHAPE_CTRL(port) (0x354000 + 8 * (port))
+#define YT921X_PORT_SHAPE_CTRLb_EN BIT(4)
+#define YT921X_PORT_SHAPE_CTRLb_PKT_MODE BIT(3) /* 0: byte rate mode */
+#define YT921X_PORT_SHAPE_CTRLb_UNIT_M GENMASK(2, 0)
+#define YT921X_PORT_SHAPE_CTRLb_UNIT(x) FIELD_PREP(YT921X_PORT_SHAPE_CTRLb_UNIT_M, (x))
+#define YT921X_PORT_SHAPE_CTRLa_CBS_M GENMASK(31, 18)
+#define YT921X_PORT_SHAPE_CTRLa_CBS(x) FIELD_PREP(YT921X_PORT_SHAPE_CTRLa_CBS_M, (x))
+#define YT921X_PORT_SHAPE_CTRLa_CIR_M GENMASK(17, 0)
+#define YT921X_PORT_SHAPE_CTRLa_CIR(x) FIELD_PREP(YT921X_PORT_SHAPE_CTRLa_CIR_M, (x))
+#define YT921X_PORTn_SHAPE_STAT(port) (0x356000 + 4 * (port))
+
+#define YT921X_TOKEN_BYTE_C 1 /* 1 token = 2^1 byte */
+#define YT921X_TOKEN_PKT_C -6 /* 1 token = 2^-6 packets */
+#define YT921X_TOKEN_RATE_C -15
+#define YT921X_METER_SLOT_MIN 80
+#define YT921X_METER_UNIT_MAX ((1 << 3) - 1)
+#define YT921X_METER_CIR_MAX ((1 << 18) - 1)
+#define YT921X_METER_CBS_MAX ((1 << 16) - 1)
+#define YT921X_PORT_SHAPE_SLOT_MIN 80
+#define YT921X_SHAPE_UNIT_MAX ((1 << 3) - 1)
+#define YT921X_SHAPE_CIR_MAX ((1 << 18) - 1)
+#define YT921X_SHAPE_CBS_MAX ((1 << 14) - 1)
+
+#define YT921X_ACL_ENT_PER_BLK 8
+#define YT921X_ACL_NUM 384
+
+struct yt921x_acl_entry {
+ u32 key[2];
+ u32 mask[2];
+};
+
+struct yt921x_acl_rule {
+ unsigned long tag;
+ enum tc_setup_type type;
+
+ u32 action[3];
+ bool sw_assisted;
+
+ u8 mask;
+ struct yt921x_acl_entry entries[YT921X_ACL_ENT_PER_BLK];
+};
+
+struct yt921x_acl_blk {
+ struct yt921x_acl_rule *rules[YT921X_ACL_ENT_PER_BLK];
+};
+
+void yt921x_dsa_port_policer_del(struct dsa_switch *ds, int port);
+int
+yt921x_dsa_port_policer_add(struct dsa_switch *ds, int port,
+ const struct flow_action_police *police,
+ struct netlink_ext_ack *extack);
+int
+yt921x_dsa_port_setup_tc(struct dsa_switch *ds, int port,
+ enum tc_setup_type type, void *type_data);
+int
+yt921x_dsa_cls_flower_del(struct dsa_switch *ds, int port,
+ struct flow_cls_offload *cls, bool ingress);
+int
+yt921x_dsa_cls_flower_add(struct dsa_switch *ds, int port,
+ struct flow_cls_offload *cls, bool ingress);
+void
+yt921x_dsa_port_mirror_del(struct dsa_switch *ds, int port,
+ struct dsa_mall_mirror_tc_entry *mirror);
+int
+yt921x_dsa_port_mirror_add(struct dsa_switch *ds, int port,
+ struct dsa_mall_mirror_tc_entry *mirror,
+ bool ingress, struct netlink_ext_ack *extack);
+
+int yt921x_chip_setup_tc(struct yt921x_priv *priv);
+int yt921x_chip_setup_acl(struct yt921x_priv *priv);
+
+#endif
--
2.53.0
^ permalink raw reply [flat|nested] 5+ messages in thread