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-rw-r--r--drivers/net/ethernet/mscc/Makefile2
-rw-r--r--drivers/net/ethernet/mscc/ocelot.c235
-rw-r--r--drivers/net/ethernet/mscc/ocelot.h3
-rw-r--r--drivers/net/ethernet/mscc/ocelot_ace.c113
-rw-r--r--drivers/net/ethernet/mscc/ocelot_ace.h5
-rw-r--r--drivers/net/ethernet/mscc/ocelot_board.c30
-rw-r--r--drivers/net/ethernet/mscc/ocelot_flower.c29
-rw-r--r--drivers/net/ethernet/mscc/ocelot_ptp.c324
-rw-r--r--drivers/net/ethernet/mscc/ocelot_ptp.h41
-rw-r--r--drivers/net/ethernet/mscc/ocelot_regs.c2
-rw-r--r--drivers/net/ethernet/mscc/ocelot_tc.c6
11 files changed, 513 insertions, 277 deletions
diff --git a/drivers/net/ethernet/mscc/Makefile b/drivers/net/ethernet/mscc/Makefile
index 9a36c26095c8..91b33b55054e 100644
--- a/drivers/net/ethernet/mscc/Makefile
+++ b/drivers/net/ethernet/mscc/Makefile
@@ -1,5 +1,5 @@
# SPDX-License-Identifier: (GPL-2.0 OR MIT)
obj-$(CONFIG_MSCC_OCELOT_SWITCH) += mscc_ocelot_common.o
mscc_ocelot_common-y := ocelot.o ocelot_io.o
-mscc_ocelot_common-y += ocelot_regs.o ocelot_tc.o ocelot_police.o ocelot_ace.o ocelot_flower.o
+mscc_ocelot_common-y += ocelot_regs.o ocelot_tc.o ocelot_police.o ocelot_ace.o ocelot_flower.o ocelot_ptp.o
obj-$(CONFIG_MSCC_OCELOT_SWITCH_OCELOT) += ocelot_board.o
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index efb3965a3e42..9cfe1fd98c30 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -14,7 +14,6 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/phy.h>
-#include <linux/ptp_clock_kernel.h>
#include <linux/skbuff.h>
#include <linux/iopoll.h>
#include <net/arp.h>
@@ -1205,18 +1204,19 @@ static int ocelot_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
struct ocelot *ocelot = priv->port.ocelot;
int port = priv->chip_port;
- /* The function is only used for PTP operations for now */
- if (!ocelot->ptp)
- return -EOPNOTSUPP;
-
- switch (cmd) {
- case SIOCSHWTSTAMP:
- return ocelot_hwstamp_set(ocelot, port, ifr);
- case SIOCGHWTSTAMP:
- return ocelot_hwstamp_get(ocelot, port, ifr);
- default:
- return -EOPNOTSUPP;
+ /* If the attached PHY device isn't capable of timestamping operations,
+ * use our own (when possible).
+ */
+ if (!phy_has_hwtstamp(dev->phydev) && ocelot->ptp) {
+ switch (cmd) {
+ case SIOCSHWTSTAMP:
+ return ocelot_hwstamp_set(ocelot, port, ifr);
+ case SIOCGHWTSTAMP:
+ return ocelot_hwstamp_get(ocelot, port, ifr);
+ }
}
+
+ return phy_mii_ioctl(dev->phydev, ifr, cmd);
}
static const struct net_device_ops ocelot_port_netdev_ops = {
@@ -1348,6 +1348,12 @@ int ocelot_get_ts_info(struct ocelot *ocelot, int port,
{
info->phc_index = ocelot->ptp_clock ?
ptp_clock_index(ocelot->ptp_clock) : -1;
+ if (info->phc_index == -1) {
+ info->so_timestamping |= SOF_TIMESTAMPING_TX_SOFTWARE |
+ SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE;
+ return 0;
+ }
info->so_timestamping |= SOF_TIMESTAMPING_TX_SOFTWARE |
SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE |
@@ -1996,200 +2002,6 @@ struct notifier_block ocelot_switchdev_blocking_nb __read_mostly = {
};
EXPORT_SYMBOL(ocelot_switchdev_blocking_nb);
-int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts)
-{
- struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
- unsigned long flags;
- time64_t s;
- u32 val;
- s64 ns;
-
- spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
-
- val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
- val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
- val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_SAVE);
- ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
-
- s = ocelot_read_rix(ocelot, PTP_PIN_TOD_SEC_MSB, TOD_ACC_PIN) & 0xffff;
- s <<= 32;
- s += ocelot_read_rix(ocelot, PTP_PIN_TOD_SEC_LSB, TOD_ACC_PIN);
- ns = ocelot_read_rix(ocelot, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
-
- spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
-
- /* Deal with negative values */
- if (ns >= 0x3ffffff0 && ns <= 0x3fffffff) {
- s--;
- ns &= 0xf;
- ns += 999999984;
- }
-
- set_normalized_timespec64(ts, s, ns);
- return 0;
-}
-EXPORT_SYMBOL(ocelot_ptp_gettime64);
-
-static int ocelot_ptp_settime64(struct ptp_clock_info *ptp,
- const struct timespec64 *ts)
-{
- struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
- unsigned long flags;
- u32 val;
-
- spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
-
- val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
- val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
- val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_IDLE);
-
- ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
-
- ocelot_write_rix(ocelot, lower_32_bits(ts->tv_sec), PTP_PIN_TOD_SEC_LSB,
- TOD_ACC_PIN);
- ocelot_write_rix(ocelot, upper_32_bits(ts->tv_sec), PTP_PIN_TOD_SEC_MSB,
- TOD_ACC_PIN);
- ocelot_write_rix(ocelot, ts->tv_nsec, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
-
- val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
- val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
- val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_LOAD);
-
- ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
-
- spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
- return 0;
-}
-
-static int ocelot_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
-{
- if (delta > -(NSEC_PER_SEC / 2) && delta < (NSEC_PER_SEC / 2)) {
- struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
- unsigned long flags;
- u32 val;
-
- spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
-
- val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
- val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
- val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_IDLE);
-
- ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
-
- ocelot_write_rix(ocelot, 0, PTP_PIN_TOD_SEC_LSB, TOD_ACC_PIN);
- ocelot_write_rix(ocelot, 0, PTP_PIN_TOD_SEC_MSB, TOD_ACC_PIN);
- ocelot_write_rix(ocelot, delta, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
-
- val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
- val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
- val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_DELTA);
-
- ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
-
- spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
- } else {
- /* Fall back using ocelot_ptp_settime64 which is not exact. */
- struct timespec64 ts;
- u64 now;
-
- ocelot_ptp_gettime64(ptp, &ts);
-
- now = ktime_to_ns(timespec64_to_ktime(ts));
- ts = ns_to_timespec64(now + delta);
-
- ocelot_ptp_settime64(ptp, &ts);
- }
- return 0;
-}
-
-static int ocelot_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
-{
- struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
- u32 unit = 0, direction = 0;
- unsigned long flags;
- u64 adj = 0;
-
- spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
-
- if (!scaled_ppm)
- goto disable_adj;
-
- if (scaled_ppm < 0) {
- direction = PTP_CFG_CLK_ADJ_CFG_DIR;
- scaled_ppm = -scaled_ppm;
- }
-
- adj = PSEC_PER_SEC << 16;
- do_div(adj, scaled_ppm);
- do_div(adj, 1000);
-
- /* If the adjustment value is too large, use ns instead */
- if (adj >= (1L << 30)) {
- unit = PTP_CFG_CLK_ADJ_FREQ_NS;
- do_div(adj, 1000);
- }
-
- /* Still too big */
- if (adj >= (1L << 30))
- goto disable_adj;
-
- ocelot_write(ocelot, unit | adj, PTP_CLK_CFG_ADJ_FREQ);
- ocelot_write(ocelot, PTP_CFG_CLK_ADJ_CFG_ENA | direction,
- PTP_CLK_CFG_ADJ_CFG);
-
- spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
- return 0;
-
-disable_adj:
- ocelot_write(ocelot, 0, PTP_CLK_CFG_ADJ_CFG);
-
- spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
- return 0;
-}
-
-static struct ptp_clock_info ocelot_ptp_clock_info = {
- .owner = THIS_MODULE,
- .name = "ocelot ptp",
- .max_adj = 0x7fffffff,
- .n_alarm = 0,
- .n_ext_ts = 0,
- .n_per_out = 0,
- .n_pins = 0,
- .pps = 0,
- .gettime64 = ocelot_ptp_gettime64,
- .settime64 = ocelot_ptp_settime64,
- .adjtime = ocelot_ptp_adjtime,
- .adjfine = ocelot_ptp_adjfine,
-};
-
-static int ocelot_init_timestamp(struct ocelot *ocelot)
-{
- struct ptp_clock *ptp_clock;
-
- ocelot->ptp_info = ocelot_ptp_clock_info;
- ptp_clock = ptp_clock_register(&ocelot->ptp_info, ocelot->dev);
- if (IS_ERR(ptp_clock))
- return PTR_ERR(ptp_clock);
- /* Check if PHC support is missing at the configuration level */
- if (!ptp_clock)
- return 0;
-
- ocelot->ptp_clock = ptp_clock;
-
- ocelot_write(ocelot, SYS_PTP_CFG_PTP_STAMP_WID(30), SYS_PTP_CFG);
- ocelot_write(ocelot, 0xffffffff, ANA_TABLES_PTP_ID_LOW);
- ocelot_write(ocelot, 0xffffffff, ANA_TABLES_PTP_ID_HIGH);
-
- ocelot_write(ocelot, PTP_CFG_MISC_PTP_EN, PTP_CFG_MISC);
-
- /* There is no device reconfiguration, PTP Rx stamping is always
- * enabled.
- */
- ocelot->hwtstamp_config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
-
- return 0;
-}
-
/* Configure the maximum SDU (L2 payload) on RX to the value specified in @sdu.
* The length of VLAN tags is accounted for automatically via DEV_MAC_TAGS_CFG.
* In the special case that it's the NPI port that we're configuring, the
@@ -2535,15 +2347,6 @@ int ocelot_init(struct ocelot *ocelot)
queue_delayed_work(ocelot->stats_queue, &ocelot->stats_work,
OCELOT_STATS_CHECK_DELAY);
- if (ocelot->ptp) {
- ret = ocelot_init_timestamp(ocelot);
- if (ret) {
- dev_err(ocelot->dev,
- "Timestamp initialization failed\n");
- return ret;
- }
- }
-
return 0;
}
EXPORT_SYMBOL(ocelot_init);
@@ -2556,8 +2359,6 @@ void ocelot_deinit(struct ocelot *ocelot)
cancel_delayed_work(&ocelot->stats_work);
destroy_workqueue(ocelot->stats_queue);
mutex_destroy(&ocelot->stats_lock);
- if (ocelot->ptp_clock)
- ptp_clock_unregister(ocelot->ptp_clock);
for (i = 0; i < ocelot->num_phys_ports; i++) {
port = ocelot->ports[i];
diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h
index 641af929497f..f0a15aa187f2 100644
--- a/drivers/net/ethernet/mscc/ocelot.h
+++ b/drivers/net/ethernet/mscc/ocelot.h
@@ -15,18 +15,17 @@
#include <linux/phy.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
-#include <linux/ptp_clock_kernel.h>
#include <linux/regmap.h>
#include <soc/mscc/ocelot_qsys.h>
#include <soc/mscc/ocelot_sys.h>
#include <soc/mscc/ocelot_dev.h>
#include <soc/mscc/ocelot_ana.h>
+#include <soc/mscc/ocelot_ptp.h>
#include <soc/mscc/ocelot.h>
#include "ocelot_rew.h"
#include "ocelot_qs.h"
#include "ocelot_tc.h"
-#include "ocelot_ptp.h"
#define OCELOT_BUFFER_CELL_SZ 60
diff --git a/drivers/net/ethernet/mscc/ocelot_ace.c b/drivers/net/ethernet/mscc/ocelot_ace.c
index 3bd286044480..dfd82a3baab2 100644
--- a/drivers/net/ethernet/mscc/ocelot_ace.c
+++ b/drivers/net/ethernet/mscc/ocelot_ace.c
@@ -706,13 +706,124 @@ ocelot_ace_rule_get_rule_index(struct ocelot_acl_block *block, int index)
return NULL;
}
+/* If @on=false, then SNAP, ARP, IP and OAM frames will not match on keys based
+ * on destination and source MAC addresses, but only on higher-level protocol
+ * information. The only frame types to match on keys containing MAC addresses
+ * in this case are non-SNAP, non-ARP, non-IP and non-OAM frames.
+ *
+ * If @on=true, then the above frame types (SNAP, ARP, IP and OAM) will match
+ * on MAC_ETYPE keys such as destination and source MAC on this ingress port.
+ * However the setting has the side effect of making these frames not matching
+ * on any _other_ keys than MAC_ETYPE ones.
+ */
+static void ocelot_match_all_as_mac_etype(struct ocelot *ocelot, int port,
+ bool on)
+{
+ u32 val = 0;
+
+ if (on)
+ val = ANA_PORT_VCAP_S2_CFG_S2_SNAP_DIS(3) |
+ ANA_PORT_VCAP_S2_CFG_S2_ARP_DIS(3) |
+ ANA_PORT_VCAP_S2_CFG_S2_IP_TCPUDP_DIS(3) |
+ ANA_PORT_VCAP_S2_CFG_S2_IP_OTHER_DIS(3) |
+ ANA_PORT_VCAP_S2_CFG_S2_OAM_DIS(3);
+
+ ocelot_rmw_gix(ocelot, val,
+ ANA_PORT_VCAP_S2_CFG_S2_SNAP_DIS_M |
+ ANA_PORT_VCAP_S2_CFG_S2_ARP_DIS_M |
+ ANA_PORT_VCAP_S2_CFG_S2_IP_TCPUDP_DIS_M |
+ ANA_PORT_VCAP_S2_CFG_S2_IP_OTHER_DIS_M |
+ ANA_PORT_VCAP_S2_CFG_S2_OAM_DIS_M,
+ ANA_PORT_VCAP_S2_CFG, port);
+}
+
+static bool ocelot_ace_is_problematic_mac_etype(struct ocelot_ace_rule *ace)
+{
+ u16 proto, mask;
+
+ if (ace->type != OCELOT_ACE_TYPE_ETYPE)
+ return false;
+
+ proto = ntohs(*(u16 *)ace->frame.etype.etype.value);
+ mask = ntohs(*(u16 *)ace->frame.etype.etype.mask);
+
+ /* ETH_P_ALL match, so all protocols below are included */
+ if (mask == 0)
+ return true;
+ if (proto == ETH_P_ARP)
+ return true;
+ if (proto == ETH_P_IP)
+ return true;
+ if (proto == ETH_P_IPV6)
+ return true;
+
+ return false;
+}
+
+static bool ocelot_ace_is_problematic_non_mac_etype(struct ocelot_ace_rule *ace)
+{
+ if (ace->type == OCELOT_ACE_TYPE_SNAP)
+ return true;
+ if (ace->type == OCELOT_ACE_TYPE_ARP)
+ return true;
+ if (ace->type == OCELOT_ACE_TYPE_IPV4)
+ return true;
+ if (ace->type == OCELOT_ACE_TYPE_IPV6)
+ return true;
+ return false;
+}
+
+static bool ocelot_exclusive_mac_etype_ace_rules(struct ocelot *ocelot,
+ struct ocelot_ace_rule *ace)
+{
+ struct ocelot_acl_block *block = &ocelot->acl_block;
+ struct ocelot_ace_rule *tmp;
+ unsigned long port;
+ int i;
+
+ if (ocelot_ace_is_problematic_mac_etype(ace)) {
+ /* Search for any non-MAC_ETYPE rules on the port */
+ for (i = 0; i < block->count; i++) {
+ tmp = ocelot_ace_rule_get_rule_index(block, i);
+ if (tmp->ingress_port_mask & ace->ingress_port_mask &&
+ ocelot_ace_is_problematic_non_mac_etype(tmp))
+ return false;
+ }
+
+ for_each_set_bit(port, &ace->ingress_port_mask,
+ ocelot->num_phys_ports)
+ ocelot_match_all_as_mac_etype(ocelot, port, true);
+ } else if (ocelot_ace_is_problematic_non_mac_etype(ace)) {
+ /* Search for any MAC_ETYPE rules on the port */
+ for (i = 0; i < block->count; i++) {
+ tmp = ocelot_ace_rule_get_rule_index(block, i);
+ if (tmp->ingress_port_mask & ace->ingress_port_mask &&
+ ocelot_ace_is_problematic_mac_etype(tmp))
+ return false;
+ }
+
+ for_each_set_bit(port, &ace->ingress_port_mask,
+ ocelot->num_phys_ports)
+ ocelot_match_all_as_mac_etype(ocelot, port, false);
+ }
+
+ return true;
+}
+
int ocelot_ace_rule_offload_add(struct ocelot *ocelot,
- struct ocelot_ace_rule *rule)
+ struct ocelot_ace_rule *rule,
+ struct netlink_ext_ack *extack)
{
struct ocelot_acl_block *block = &ocelot->acl_block;
struct ocelot_ace_rule *ace;
int i, index;
+ if (!ocelot_exclusive_mac_etype_ace_rules(ocelot, rule)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cannot mix MAC_ETYPE with non-MAC_ETYPE rules");
+ return -EBUSY;
+ }
+
/* Add rule to the linked list */
ocelot_ace_rule_add(ocelot, block, rule);
diff --git a/drivers/net/ethernet/mscc/ocelot_ace.h b/drivers/net/ethernet/mscc/ocelot_ace.h
index 29d22c566786..099e177f2617 100644
--- a/drivers/net/ethernet/mscc/ocelot_ace.h
+++ b/drivers/net/ethernet/mscc/ocelot_ace.h
@@ -194,7 +194,7 @@ struct ocelot_ace_rule {
enum ocelot_ace_action action;
struct ocelot_ace_stats stats;
- u16 ingress_port_mask;
+ unsigned long ingress_port_mask;
enum ocelot_vcap_bit dmac_mc;
enum ocelot_vcap_bit dmac_bc;
@@ -215,7 +215,8 @@ struct ocelot_ace_rule {
};
int ocelot_ace_rule_offload_add(struct ocelot *ocelot,
- struct ocelot_ace_rule *rule);
+ struct ocelot_ace_rule *rule,
+ struct netlink_ext_ack *extack);
int ocelot_ace_rule_offload_del(struct ocelot *ocelot,
struct ocelot_ace_rule *rule);
int ocelot_ace_rule_stats_update(struct ocelot *ocelot,
diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c
index 0ac9fbf77a01..4a15d2ff8b70 100644
--- a/drivers/net/ethernet/mscc/ocelot_board.c
+++ b/drivers/net/ethernet/mscc/ocelot_board.c
@@ -189,7 +189,8 @@ static irqreturn_t ocelot_xtr_irq_handler(int irq, void *arg)
skb->offload_fwd_mark = 1;
skb->protocol = eth_type_trans(skb, dev);
- netif_rx(skb);
+ if (!skb_defer_rx_timestamp(skb))
+ netif_rx(skb);
dev->stats.rx_bytes += len;
dev->stats.rx_packets++;
} while (ocelot_read(ocelot, QS_XTR_DATA_PRESENT) & BIT(grp));
@@ -366,6 +367,23 @@ static const struct vcap_props vsc7514_vcap_props[] = {
},
};
+static struct ptp_clock_info ocelot_ptp_clock_info = {
+ .owner = THIS_MODULE,
+ .name = "ocelot ptp",
+ .max_adj = 0x7fffffff,
+ .n_alarm = 0,
+ .n_ext_ts = 0,
+ .n_per_out = OCELOT_PTP_PINS_NUM,
+ .n_pins = OCELOT_PTP_PINS_NUM,
+ .pps = 0,
+ .gettime64 = ocelot_ptp_gettime64,
+ .settime64 = ocelot_ptp_settime64,
+ .adjtime = ocelot_ptp_adjtime,
+ .adjfine = ocelot_ptp_adjfine,
+ .verify = ocelot_ptp_verify,
+ .enable = ocelot_ptp_enable,
+};
+
static int mscc_ocelot_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -469,6 +487,15 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
ocelot->vcap = vsc7514_vcap_props;
ocelot_init(ocelot);
+ if (ocelot->ptp) {
+ err = ocelot_init_timestamp(ocelot, &ocelot_ptp_clock_info);
+ if (err) {
+ dev_err(ocelot->dev,
+ "Timestamp initialization failed\n");
+ ocelot->ptp = 0;
+ }
+ }
+
/* No NPI port */
ocelot_configure_cpu(ocelot, -1, OCELOT_TAG_PREFIX_NONE,
OCELOT_TAG_PREFIX_NONE);
@@ -574,6 +601,7 @@ static int mscc_ocelot_remove(struct platform_device *pdev)
{
struct ocelot *ocelot = platform_get_drvdata(pdev);
+ ocelot_deinit_timestamp(ocelot);
ocelot_deinit(ocelot);
unregister_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb);
unregister_switchdev_notifier(&ocelot_switchdev_nb);
diff --git a/drivers/net/ethernet/mscc/ocelot_flower.c b/drivers/net/ethernet/mscc/ocelot_flower.c
index 341923311fec..5ce172e22b43 100644
--- a/drivers/net/ethernet/mscc/ocelot_flower.c
+++ b/drivers/net/ethernet/mscc/ocelot_flower.c
@@ -51,6 +51,8 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
{
struct flow_rule *rule = flow_cls_offload_flow_rule(f);
struct flow_dissector *dissector = rule->match.dissector;
+ u16 proto = ntohs(f->common.protocol);
+ bool match_protocol = true;
if (dissector->used_keys &
~(BIT(FLOW_DISSECTOR_KEY_CONTROL) |
@@ -71,7 +73,6 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
struct flow_match_eth_addrs match;
- u16 proto = ntohs(f->common.protocol);
/* The hw support mac matches only for MAC_ETYPE key,
* therefore if other matches(port, tcp flags, etc) are added
@@ -86,11 +87,6 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
BIT(FLOW_DISSECTOR_KEY_CONTROL)))
return -EOPNOTSUPP;
- if (proto == ETH_P_IP ||
- proto == ETH_P_IPV6 ||
- proto == ETH_P_ARP)
- return -EOPNOTSUPP;
-
flow_rule_match_eth_addrs(rule, &match);
ace->type = OCELOT_ACE_TYPE_ETYPE;
ether_addr_copy(ace->frame.etype.dmac.value,
@@ -114,6 +110,7 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
match.key->ip_proto;
ace->frame.ipv4.proto.mask[0] =
match.mask->ip_proto;
+ match_protocol = false;
}
if (ntohs(match.key->n_proto) == ETH_P_IPV6) {
ace->type = OCELOT_ACE_TYPE_IPV6;
@@ -121,11 +118,12 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
match.key->ip_proto;
ace->frame.ipv6.proto.mask[0] =
match.mask->ip_proto;
+ match_protocol = false;
}
}
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS) &&
- ntohs(f->common.protocol) == ETH_P_IP) {
+ proto == ETH_P_IP) {
struct flow_match_ipv4_addrs match;
u8 *tmp;
@@ -141,10 +139,11 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
tmp = &ace->frame.ipv4.dip.mask.addr[0];
memcpy(tmp, &match.mask->dst, 4);
+ match_protocol = false;
}
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV6_ADDRS) &&
- ntohs(f->common.protocol) == ETH_P_IPV6) {
+ proto == ETH_P_IPV6) {
return -EOPNOTSUPP;
}
@@ -156,6 +155,7 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
ace->frame.ipv4.sport.mask = ntohs(match.mask->src);
ace->frame.ipv4.dport.value = ntohs(match.key->dst);
ace->frame.ipv4.dport.mask = ntohs(match.mask->dst);
+ match_protocol = false;
}
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
@@ -167,9 +167,20 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
ace->vlan.vid.mask = match.mask->vlan_id;
ace->vlan.pcp.value[0] = match.key->vlan_priority;
ace->vlan.pcp.mask[0] = match.mask->vlan_priority;
+ match_protocol = false;
}
finished_key_parsing:
+ if (match_protocol && proto != ETH_P_ALL) {
+ /* TODO: support SNAP, LLC etc */
+ if (proto < ETH_P_802_3_MIN)
+ return -EOPNOTSUPP;
+ ace->type = OCELOT_ACE_TYPE_ETYPE;
+ *(u16 *)ace->frame.etype.etype.value = htons(proto);
+ *(u16 *)ace->frame.etype.etype.mask = 0xffff;
+ }
+ /* else, a rule of type OCELOT_ACE_TYPE_ANY is implicitly added */
+
ace->prio = f->common.prio;
ace->id = f->cookie;
return ocelot_flower_parse_action(f, ace);
@@ -205,7 +216,7 @@ int ocelot_cls_flower_replace(struct ocelot *ocelot, int port,
return ret;
}
- return ocelot_ace_rule_offload_add(ocelot, ace);
+ return ocelot_ace_rule_offload_add(ocelot, ace, f->common.extack);
}
EXPORT_SYMBOL_GPL(ocelot_cls_flower_replace);
diff --git a/drivers/net/ethernet/mscc/ocelot_ptp.c b/drivers/net/ethernet/mscc/ocelot_ptp.c
new file mode 100644
index 000000000000..a3088a1676ed
--- /dev/null
+++ b/drivers/net/ethernet/mscc/ocelot_ptp.c
@@ -0,0 +1,324 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/* Microsemi Ocelot PTP clock driver
+ *
+ * Copyright (c) 2017 Microsemi Corporation
+ * Copyright 2020 NXP
+ */
+#include <soc/mscc/ocelot_ptp.h>
+#include <soc/mscc/ocelot_sys.h>
+#include <soc/mscc/ocelot.h>
+
+int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts)
+{
+ struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
+ unsigned long flags;
+ time64_t s;
+ u32 val;
+ s64 ns;
+
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+
+ val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
+ val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
+ val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_SAVE);
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
+
+ s = ocelot_read_rix(ocelot, PTP_PIN_TOD_SEC_MSB, TOD_ACC_PIN) & 0xffff;
+ s <<= 32;
+ s += ocelot_read_rix(ocelot, PTP_PIN_TOD_SEC_LSB, TOD_ACC_PIN);
+ ns = ocelot_read_rix(ocelot, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
+
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+
+ /* Deal with negative values */
+ if (ns >= 0x3ffffff0 && ns <= 0x3fffffff) {
+ s--;
+ ns &= 0xf;
+ ns += 999999984;
+ }
+
+ set_normalized_timespec64(ts, s, ns);
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_gettime64);
+
+int ocelot_ptp_settime64(struct ptp_clock_info *ptp,
+ const struct timespec64 *ts)
+{
+ struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+
+ val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
+ val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
+ val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_IDLE);
+
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
+
+ ocelot_write_rix(ocelot, lower_32_bits(ts->tv_sec), PTP_PIN_TOD_SEC_LSB,
+ TOD_ACC_PIN);
+ ocelot_write_rix(ocelot, upper_32_bits(ts->tv_sec), PTP_PIN_TOD_SEC_MSB,
+ TOD_ACC_PIN);
+ ocelot_write_rix(ocelot, ts->tv_nsec, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
+
+ val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
+ val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
+ val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_LOAD);
+
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
+
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_settime64);
+
+int ocelot_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
+{
+ if (delta > -(NSEC_PER_SEC / 2) && delta < (NSEC_PER_SEC / 2)) {
+ struct ocelot *ocelot = container_of(ptp, struct ocelot,
+ ptp_info);
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+
+ val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
+ val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK |
+ PTP_PIN_CFG_DOM);
+ val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_IDLE);
+
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
+
+ ocelot_write_rix(ocelot, 0, PTP_PIN_TOD_SEC_LSB, TOD_ACC_PIN);
+ ocelot_write_rix(ocelot, 0, PTP_PIN_TOD_SEC_MSB, TOD_ACC_PIN);
+ ocelot_write_rix(ocelot, delta, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
+
+ val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
+ val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK |
+ PTP_PIN_CFG_DOM);
+ val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_DELTA);
+
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
+
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ } else {
+ /* Fall back using ocelot_ptp_settime64 which is not exact. */
+ struct timespec64 ts;
+ u64 now;
+
+ ocelot_ptp_gettime64(ptp, &ts);
+
+ now = ktime_to_ns(timespec64_to_ktime(ts));
+ ts = ns_to_timespec64(now + delta);
+
+ ocelot_ptp_settime64(ptp, &ts);
+ }
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_adjtime);
+
+int ocelot_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
+{
+ struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
+ u32 unit = 0, direction = 0;
+ unsigned long flags;
+ u64 adj = 0;
+
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+
+ if (!scaled_ppm)
+ goto disable_adj;
+
+ if (scaled_ppm < 0) {
+ direction = PTP_CFG_CLK_ADJ_CFG_DIR;
+ scaled_ppm = -scaled_ppm;
+ }
+
+ adj = PSEC_PER_SEC << 16;
+ do_div(adj, scaled_ppm);
+ do_div(adj, 1000);
+
+ /* If the adjustment value is too large, use ns instead */
+ if (adj >= (1L << 30)) {
+ unit = PTP_CFG_CLK_ADJ_FREQ_NS;
+ do_div(adj, 1000);
+ }
+
+ /* Still too big */
+ if (adj >= (1L << 30))
+ goto disable_adj;
+
+ ocelot_write(ocelot, unit | adj, PTP_CLK_CFG_ADJ_FREQ);
+ ocelot_write(ocelot, PTP_CFG_CLK_ADJ_CFG_ENA | direction,
+ PTP_CLK_CFG_ADJ_CFG);
+
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ return 0;
+
+disable_adj:
+ ocelot_write(ocelot, 0, PTP_CLK_CFG_ADJ_CFG);
+
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_adjfine);
+
+int ocelot_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin,
+ enum ptp_pin_function func, unsigned int chan)
+{
+ switch (func) {
+ case PTP_PF_NONE:
+ case PTP_PF_PEROUT:
+ break;
+ case PTP_PF_EXTTS:
+ case PTP_PF_PHYSYNC:
+ return -1;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_verify);
+
+int ocelot_ptp_enable(struct ptp_clock_info *ptp,
+ struct ptp_clock_request *rq, int on)
+{
+ struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
+ struct timespec64 ts_start, ts_period;
+ enum ocelot_ptp_pins ptp_pin;
+ unsigned long flags;
+ bool pps = false;
+ int pin = -1;
+ u32 val;
+ s64 ns;
+
+ switch (rq->type) {
+ case PTP_CLK_REQ_PEROUT:
+ /* Reject requests with unsupported flags */
+ if (rq->perout.flags)
+ return -EOPNOTSUPP;
+
+ pin = ptp_find_pin(ocelot->ptp_clock, PTP_PF_PEROUT,
+ rq->perout.index);
+ if (pin == 0)
+ ptp_pin = PTP_PIN_0;
+ else if (pin == 1)
+ ptp_pin = PTP_PIN_1;
+ else if (pin == 2)
+ ptp_pin = PTP_PIN_2;
+ else if (pin == 3)
+ ptp_pin = PTP_PIN_3;
+ else
+ return -EBUSY;
+
+ ts_start.tv_sec = rq->perout.start.sec;
+ ts_start.tv_nsec = rq->perout.start.nsec;
+ ts_period.tv_sec = rq->perout.period.sec;
+ ts_period.tv_nsec = rq->perout.period.nsec;
+
+ if (ts_period.tv_sec == 1 && ts_period.tv_nsec == 0)
+ pps = true;
+
+ if (ts_start.tv_sec || (ts_start.tv_nsec && !pps)) {
+ dev_warn(ocelot->dev,
+ "Absolute start time not supported!\n");
+ dev_warn(ocelot->dev,
+ "Accept nsec for PPS phase adjustment, otherwise start time should be 0 0.\n");
+ return -EINVAL;
+ }
+
+ /* Handle turning off */
+ if (!on) {
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+ val = PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_IDLE);
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, ptp_pin);
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ break;
+ }
+
+ /* Handle PPS request */
+ if (pps) {
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+ /* Pulse generated perout.start.nsec after TOD has
+ * increased seconds.
+ * Pulse width is set to 1us.
+ */
+ ocelot_write_rix(ocelot, ts_start.tv_nsec,
+ PTP_PIN_WF_LOW_PERIOD, ptp_pin);
+ ocelot_write_rix(ocelot, 1000,
+ PTP_PIN_WF_HIGH_PERIOD, ptp_pin);
+ val = PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_CLOCK);
+ val |= PTP_PIN_CFG_SYNC;
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, ptp_pin);
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ break;
+ }
+
+ /* Handle periodic clock */
+ ns = timespec64_to_ns(&ts_period);
+ ns = ns >> 1;
+ if (ns > 0x3fffffff || ns <= 0x6)
+ return -EINVAL;
+
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+ ocelot_write_rix(ocelot, ns, PTP_PIN_WF_LOW_PERIOD, ptp_pin);
+ ocelot_write_rix(ocelot, ns, PTP_PIN_WF_HIGH_PERIOD, ptp_pin);
+ val = PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_CLOCK);
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, ptp_pin);
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_enable);
+
+int ocelot_init_timestamp(struct ocelot *ocelot, struct ptp_clock_info *info)
+{
+ struct ptp_clock *ptp_clock;
+ int i;
+
+ ocelot->ptp_info = *info;
+
+ for (i = 0; i < OCELOT_PTP_PINS_NUM; i++) {
+ struct ptp_pin_desc *p = &ocelot->ptp_pins[i];
+
+ snprintf(p->name, sizeof(p->name), "switch_1588_dat%d", i);
+ p->index = i;
+ p->func = PTP_PF_NONE;
+ }
+
+ ocelot->ptp_info.pin_config = &ocelot->ptp_pins[0];
+
+ ptp_clock = ptp_clock_register(&ocelot->ptp_info, ocelot->dev);
+ if (IS_ERR(ptp_clock))
+ return PTR_ERR(ptp_clock);
+ /* Check if PHC support is missing at the configuration level */
+ if (!ptp_clock)
+ return 0;
+
+ ocelot->ptp_clock = ptp_clock;
+
+ ocelot_write(ocelot, SYS_PTP_CFG_PTP_STAMP_WID(30), SYS_PTP_CFG);
+ ocelot_write(ocelot, 0xffffffff, ANA_TABLES_PTP_ID_LOW);
+ ocelot_write(ocelot, 0xffffffff, ANA_TABLES_PTP_ID_HIGH);
+
+ ocelot_write(ocelot, PTP_CFG_MISC_PTP_EN, PTP_CFG_MISC);
+
+ /* There is no device reconfiguration, PTP Rx stamping is always
+ * enabled.
+ */
+ ocelot->hwtstamp_config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
+
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_init_timestamp);
+
+int ocelot_deinit_timestamp(struct ocelot *ocelot)
+{
+ if (ocelot->ptp_clock)
+ ptp_clock_unregister(ocelot->ptp_clock);
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_deinit_timestamp);
diff --git a/drivers/net/ethernet/mscc/ocelot_ptp.h b/drivers/net/ethernet/mscc/ocelot_ptp.h
deleted file mode 100644
index 9ede14a12573..000000000000
--- a/drivers/net/ethernet/mscc/ocelot_ptp.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
-/*
- * Microsemi Ocelot Switch driver
- *
- * License: Dual MIT/GPL
- * Copyright (c) 2017 Microsemi Corporation
- */
-
-#ifndef _MSCC_OCELOT_PTP_H_
-#define _MSCC_OCELOT_PTP_H_
-
-#define PTP_PIN_CFG_RSZ 0x20
-#define PTP_PIN_TOD_SEC_MSB_RSZ PTP_PIN_CFG_RSZ
-#define PTP_PIN_TOD_SEC_LSB_RSZ PTP_PIN_CFG_RSZ
-#define PTP_PIN_TOD_NSEC_RSZ PTP_PIN_CFG_RSZ
-
-#define PTP_PIN_CFG_DOM BIT(0)
-#define PTP_PIN_CFG_SYNC BIT(2)
-#define PTP_PIN_CFG_ACTION(x) ((x) << 3)
-#define PTP_PIN_CFG_ACTION_MASK PTP_PIN_CFG_ACTION(0x7)
-
-enum {
- PTP_PIN_ACTION_IDLE = 0,
- PTP_PIN_ACTION_LOAD,
- PTP_PIN_ACTION_SAVE,
- PTP_PIN_ACTION_CLOCK,
- PTP_PIN_ACTION_DELTA,
- PTP_PIN_ACTION_NOSYNC,
- PTP_PIN_ACTION_SYNC,
-};
-
-#define PTP_CFG_MISC_PTP_EN BIT(2)
-
-#define PSEC_PER_SEC 1000000000000LL
-
-#define PTP_CFG_CLK_ADJ_CFG_ENA BIT(0)
-#define PTP_CFG_CLK_ADJ_CFG_DIR BIT(1)
-
-#define PTP_CFG_CLK_ADJ_FREQ_NS BIT(30)
-
-#endif
diff --git a/drivers/net/ethernet/mscc/ocelot_regs.c b/drivers/net/ethernet/mscc/ocelot_regs.c
index 7d4fd1b6adda..81d81ff75646 100644
--- a/drivers/net/ethernet/mscc/ocelot_regs.c
+++ b/drivers/net/ethernet/mscc/ocelot_regs.c
@@ -239,6 +239,8 @@ static const u32 ocelot_ptp_regmap[] = {
REG(PTP_PIN_TOD_SEC_MSB, 0x000004),
REG(PTP_PIN_TOD_SEC_LSB, 0x000008),
REG(PTP_PIN_TOD_NSEC, 0x00000c),
+ REG(PTP_PIN_WF_HIGH_PERIOD, 0x000014),
+ REG(PTP_PIN_WF_LOW_PERIOD, 0x000018),
REG(PTP_CFG_MISC, 0x0000a0),
REG(PTP_CLK_CFG_ADJ_CFG, 0x0000a4),
REG(PTP_CLK_CFG_ADJ_FREQ, 0x0000a8),
diff --git a/drivers/net/ethernet/mscc/ocelot_tc.c b/drivers/net/ethernet/mscc/ocelot_tc.c
index d326e231f0ad..b7baf7624e18 100644
--- a/drivers/net/ethernet/mscc/ocelot_tc.c
+++ b/drivers/net/ethernet/mscc/ocelot_tc.c
@@ -48,7 +48,7 @@ static int ocelot_setup_tc_cls_matchall(struct ocelot_port_private *priv,
if (priv->tc.police_id && priv->tc.police_id != f->cookie) {
NL_SET_ERR_MSG_MOD(extack,
- "Only one policer per port is supported\n");
+ "Only one policer per port is supported");
return -EEXIST;
}
@@ -59,7 +59,7 @@ static int ocelot_setup_tc_cls_matchall(struct ocelot_port_private *priv,
err = ocelot_port_policer_add(ocelot, port, &pol);
if (err) {
- NL_SET_ERR_MSG_MOD(extack, "Could not add policer\n");
+ NL_SET_ERR_MSG_MOD(extack, "Could not add policer");
return err;
}
@@ -73,7 +73,7 @@ static int ocelot_setup_tc_cls_matchall(struct ocelot_port_private *priv,
err = ocelot_port_policer_del(ocelot, port);
if (err) {
NL_SET_ERR_MSG_MOD(extack,
- "Could not delete policer\n");
+ "Could not delete policer");
return err;
}
priv->tc.police_id = 0;