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-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc.c173
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc.h11
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc_ethtool.c228
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc_hw.h25
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc_pf.c14
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc_qos.c27
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c29
-rw-r--r--drivers/net/ethernet/freescale/fman/fman_memac.c3
8 files changed, 414 insertions, 96 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c
index 159ae740ba3c..2fc712b24d12 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc.c
@@ -28,11 +28,9 @@ EXPORT_SYMBOL_GPL(enetc_port_mac_wr);
static int enetc_num_stack_tx_queues(struct enetc_ndev_priv *priv)
{
int num_tx_rings = priv->num_tx_rings;
- int i;
- for (i = 0; i < priv->num_rx_rings; i++)
- if (priv->rx_ring[i]->xdp.prog)
- return num_tx_rings - num_possible_cpus();
+ if (priv->xdp_prog)
+ return num_tx_rings - num_possible_cpus();
return num_tx_rings;
}
@@ -2456,7 +2454,6 @@ int enetc_open(struct net_device *ndev)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_bdr_resource *tx_res, *rx_res;
- int num_stack_tx_queues;
bool extended;
int err;
@@ -2482,16 +2479,6 @@ int enetc_open(struct net_device *ndev)
goto err_alloc_rx;
}
- num_stack_tx_queues = enetc_num_stack_tx_queues(priv);
-
- err = netif_set_real_num_tx_queues(ndev, num_stack_tx_queues);
- if (err)
- goto err_set_queues;
-
- err = netif_set_real_num_rx_queues(ndev, priv->num_rx_rings);
- if (err)
- goto err_set_queues;
-
enetc_tx_onestep_tstamp_init(priv);
enetc_assign_tx_resources(priv, tx_res);
enetc_assign_rx_resources(priv, rx_res);
@@ -2500,8 +2487,6 @@ int enetc_open(struct net_device *ndev)
return 0;
-err_set_queues:
- enetc_free_rx_resources(rx_res, priv->num_rx_rings);
err_alloc_rx:
enetc_free_tx_resources(tx_res, priv->num_tx_rings);
err_alloc_tx:
@@ -2576,8 +2561,11 @@ static int enetc_reconfigure(struct enetc_ndev_priv *priv, bool extended,
* without reconfiguration.
*/
if (!netif_running(priv->ndev)) {
- if (cb)
- cb(priv, ctx);
+ if (cb) {
+ err = cb(priv, ctx);
+ if (err)
+ return err;
+ }
return 0;
}
@@ -2598,8 +2586,11 @@ static int enetc_reconfigure(struct enetc_ndev_priv *priv, bool extended,
enetc_free_rxtx_rings(priv);
/* Interface is down, run optional callback now */
- if (cb)
- cb(priv, ctx);
+ if (cb) {
+ err = cb(priv, ctx);
+ if (err)
+ goto out_restart;
+ }
enetc_assign_tx_resources(priv, tx_res);
enetc_assign_rx_resources(priv, rx_res);
@@ -2608,76 +2599,123 @@ static int enetc_reconfigure(struct enetc_ndev_priv *priv, bool extended,
return 0;
+out_restart:
+ enetc_setup_bdrs(priv, extended);
+ enetc_start(priv->ndev);
+ enetc_free_rx_resources(rx_res, priv->num_rx_rings);
out_free_tx_res:
enetc_free_tx_resources(tx_res, priv->num_tx_rings);
out:
return err;
}
-int enetc_setup_tc_mqprio(struct net_device *ndev, void *type_data)
+static void enetc_debug_tx_ring_prios(struct enetc_ndev_priv *priv)
+{
+ int i;
+
+ for (i = 0; i < priv->num_tx_rings; i++)
+ netdev_dbg(priv->ndev, "TX ring %d prio %d\n", i,
+ priv->tx_ring[i]->prio);
+}
+
+static void enetc_reset_tc_mqprio(struct net_device *ndev)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
- struct tc_mqprio_qopt *mqprio = type_data;
struct enetc_hw *hw = &priv->si->hw;
struct enetc_bdr *tx_ring;
int num_stack_tx_queues;
- u8 num_tc;
int i;
num_stack_tx_queues = enetc_num_stack_tx_queues(priv);
- mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
- num_tc = mqprio->num_tc;
- if (!num_tc) {
- netdev_reset_tc(ndev);
- netif_set_real_num_tx_queues(ndev, num_stack_tx_queues);
+ netdev_reset_tc(ndev);
+ netif_set_real_num_tx_queues(ndev, num_stack_tx_queues);
+ priv->min_num_stack_tx_queues = num_possible_cpus();
- /* Reset all ring priorities to 0 */
- for (i = 0; i < priv->num_tx_rings; i++) {
- tx_ring = priv->tx_ring[i];
- tx_ring->prio = 0;
- enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio);
- }
+ /* Reset all ring priorities to 0 */
+ for (i = 0; i < priv->num_tx_rings; i++) {
+ tx_ring = priv->tx_ring[i];
+ tx_ring->prio = 0;
+ enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio);
+ }
+
+ enetc_debug_tx_ring_prios(priv);
+}
+
+int enetc_setup_tc_mqprio(struct net_device *ndev, void *type_data)
+{
+ struct enetc_ndev_priv *priv = netdev_priv(ndev);
+ struct tc_mqprio_qopt *mqprio = type_data;
+ struct enetc_hw *hw = &priv->si->hw;
+ int num_stack_tx_queues = 0;
+ u8 num_tc = mqprio->num_tc;
+ struct enetc_bdr *tx_ring;
+ int offset, count;
+ int err, tc, q;
+ if (!num_tc) {
+ enetc_reset_tc_mqprio(ndev);
return 0;
}
- /* Check if we have enough BD rings available to accommodate all TCs */
- if (num_tc > num_stack_tx_queues) {
- netdev_err(ndev, "Max %d traffic classes supported\n",
- priv->num_tx_rings);
- return -EINVAL;
- }
+ err = netdev_set_num_tc(ndev, num_tc);
+ if (err)
+ return err;
- /* For the moment, we use only one BD ring per TC.
- *
- * Configure num_tc BD rings with increasing priorities.
- */
- for (i = 0; i < num_tc; i++) {
- tx_ring = priv->tx_ring[i];
- tx_ring->prio = i;
- enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio);
+ for (tc = 0; tc < num_tc; tc++) {
+ offset = mqprio->offset[tc];
+ count = mqprio->count[tc];
+ num_stack_tx_queues += count;
+
+ err = netdev_set_tc_queue(ndev, tc, count, offset);
+ if (err)
+ goto err_reset_tc;
+
+ for (q = offset; q < offset + count; q++) {
+ tx_ring = priv->tx_ring[q];
+ /* The prio_tc_map is skb_tx_hash()'s way of selecting
+ * between TX queues based on skb->priority. As such,
+ * there's nothing to offload based on it.
+ * Make the mqprio "traffic class" be the priority of
+ * this ring group, and leave the Tx IPV to traffic
+ * class mapping as its default mapping value of 1:1.
+ */
+ tx_ring->prio = tc;
+ enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio);
+ }
}
- /* Reset the number of netdev queues based on the TC count */
- netif_set_real_num_tx_queues(ndev, num_tc);
+ err = netif_set_real_num_tx_queues(ndev, num_stack_tx_queues);
+ if (err)
+ goto err_reset_tc;
- netdev_set_num_tc(ndev, num_tc);
+ priv->min_num_stack_tx_queues = num_stack_tx_queues;
- /* Each TC is associated with one netdev queue */
- for (i = 0; i < num_tc; i++)
- netdev_set_tc_queue(ndev, i, 1, i);
+ enetc_debug_tx_ring_prios(priv);
return 0;
+
+err_reset_tc:
+ enetc_reset_tc_mqprio(ndev);
+ return err;
}
EXPORT_SYMBOL_GPL(enetc_setup_tc_mqprio);
static int enetc_reconfigure_xdp_cb(struct enetc_ndev_priv *priv, void *ctx)
{
struct bpf_prog *old_prog, *prog = ctx;
- int i;
+ int num_stack_tx_queues;
+ int err, i;
old_prog = xchg(&priv->xdp_prog, prog);
+
+ num_stack_tx_queues = enetc_num_stack_tx_queues(priv);
+ err = netif_set_real_num_tx_queues(priv->ndev, num_stack_tx_queues);
+ if (err) {
+ xchg(&priv->xdp_prog, old_prog);
+ return err;
+ }
+
if (old_prog)
bpf_prog_put(old_prog);
@@ -2698,9 +2736,20 @@ static int enetc_reconfigure_xdp_cb(struct enetc_ndev_priv *priv, void *ctx)
static int enetc_setup_xdp_prog(struct net_device *ndev, struct bpf_prog *prog,
struct netlink_ext_ack *extack)
{
+ int num_xdp_tx_queues = prog ? num_possible_cpus() : 0;
struct enetc_ndev_priv *priv = netdev_priv(ndev);
bool extended;
+ if (priv->min_num_stack_tx_queues + num_xdp_tx_queues >
+ priv->num_tx_rings) {
+ NL_SET_ERR_MSG_FMT_MOD(extack,
+ "Reserving %d XDP TXQs does not leave a minimum of %d TXQs for network stack (total %d available)",
+ num_xdp_tx_queues,
+ priv->min_num_stack_tx_queues,
+ priv->num_tx_rings);
+ return -EBUSY;
+ }
+
extended = !!(priv->active_offloads & ENETC_F_RX_TSTAMP);
/* The buffer layout is changing, so we need to drain the old
@@ -2898,6 +2947,7 @@ EXPORT_SYMBOL_GPL(enetc_ioctl);
int enetc_alloc_msix(struct enetc_ndev_priv *priv)
{
struct pci_dev *pdev = priv->si->pdev;
+ int num_stack_tx_queues;
int first_xdp_tx_ring;
int i, n, err, nvec;
int v_tx_rings;
@@ -2974,6 +3024,17 @@ int enetc_alloc_msix(struct enetc_ndev_priv *priv)
}
}
+ num_stack_tx_queues = enetc_num_stack_tx_queues(priv);
+
+ err = netif_set_real_num_tx_queues(priv->ndev, num_stack_tx_queues);
+ if (err)
+ goto fail;
+
+ err = netif_set_real_num_rx_queues(priv->ndev, priv->num_rx_rings);
+ if (err)
+ goto fail;
+
+ priv->min_num_stack_tx_queues = num_possible_cpus();
first_xdp_tx_ring = priv->num_tx_rings - num_possible_cpus();
priv->xdp_tx_ring = &priv->tx_ring[first_xdp_tx_ring];
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h
index 1fe8dfd6b6d4..8010f31cd10d 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.h
+++ b/drivers/net/ethernet/freescale/enetc/enetc.h
@@ -314,7 +314,6 @@ struct psfp_cap {
};
#define ENETC_F_TX_TSTAMP_MASK 0xff
-/* TODO: more hardware offloads */
enum enetc_active_offloads {
/* 8 bits reserved for TX timestamp types (hwtstamp_tx_types) */
ENETC_F_TX_TSTAMP = BIT(0),
@@ -323,6 +322,7 @@ enum enetc_active_offloads {
ENETC_F_RX_TSTAMP = BIT(8),
ENETC_F_QBV = BIT(9),
ENETC_F_QCI = BIT(10),
+ ENETC_F_QBU = BIT(11),
};
enum enetc_flags_bit {
@@ -369,6 +369,9 @@ struct enetc_ndev_priv {
struct psfp_cap psfp_cap;
+ /* Minimum number of TX queues required by the network stack */
+ unsigned int min_num_stack_tx_queues;
+
struct phylink *phylink;
int ic_mode;
u32 tx_ictt;
@@ -379,6 +382,11 @@ struct enetc_ndev_priv {
struct work_struct tx_onestep_tstamp;
struct sk_buff_head tx_skbs;
+
+ /* Serialize access to MAC Merge state between ethtool requests
+ * and link state updates
+ */
+ struct mutex mm_lock;
};
/* Messaging */
@@ -424,6 +432,7 @@ int enetc_xdp_xmit(struct net_device *ndev, int num_frames,
/* ethtool */
void enetc_set_ethtool_ops(struct net_device *ndev);
+void enetc_mm_link_state_update(struct enetc_ndev_priv *priv, bool link);
/* control buffer descriptor ring (CBDR) */
int enetc_setup_cbdr(struct device *dev, struct enetc_hw *hw, int bd_count,
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
index 05e2bad609c6..bca68edfbe9c 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/* Copyright 2017-2019 NXP */
+#include <linux/ethtool_netlink.h>
#include <linux/net_tstamp.h>
#include <linux/module.h>
#include "enetc.h"
@@ -299,14 +300,32 @@ static void enetc_get_ethtool_stats(struct net_device *ndev,
data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg);
}
+static void enetc_pause_stats(struct enetc_hw *hw, int mac,
+ struct ethtool_pause_stats *pause_stats)
+{
+ pause_stats->tx_pause_frames = enetc_port_rd(hw, ENETC_PM_TXPF(mac));
+ pause_stats->rx_pause_frames = enetc_port_rd(hw, ENETC_PM_RXPF(mac));
+}
+
static void enetc_get_pause_stats(struct net_device *ndev,
struct ethtool_pause_stats *pause_stats)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
+ struct enetc_si *si = priv->si;
- pause_stats->tx_pause_frames = enetc_port_rd(hw, ENETC_PM_TXPF(0));
- pause_stats->rx_pause_frames = enetc_port_rd(hw, ENETC_PM_RXPF(0));
+ switch (pause_stats->src) {
+ case ETHTOOL_MAC_STATS_SRC_EMAC:
+ enetc_pause_stats(hw, 0, pause_stats);
+ break;
+ case ETHTOOL_MAC_STATS_SRC_PMAC:
+ if (si->hw_features & ENETC_SI_F_QBU)
+ enetc_pause_stats(hw, 1, pause_stats);
+ break;
+ case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
+ ethtool_aggregate_pause_stats(ndev, pause_stats);
+ break;
+ }
}
static void enetc_mac_stats(struct enetc_hw *hw, int mac,
@@ -383,8 +402,20 @@ static void enetc_get_eth_mac_stats(struct net_device *ndev,
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
+ struct enetc_si *si = priv->si;
- enetc_mac_stats(hw, 0, mac_stats);
+ switch (mac_stats->src) {
+ case ETHTOOL_MAC_STATS_SRC_EMAC:
+ enetc_mac_stats(hw, 0, mac_stats);
+ break;
+ case ETHTOOL_MAC_STATS_SRC_PMAC:
+ if (si->hw_features & ENETC_SI_F_QBU)
+ enetc_mac_stats(hw, 1, mac_stats);
+ break;
+ case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
+ ethtool_aggregate_mac_stats(ndev, mac_stats);
+ break;
+ }
}
static void enetc_get_eth_ctrl_stats(struct net_device *ndev,
@@ -392,8 +423,20 @@ static void enetc_get_eth_ctrl_stats(struct net_device *ndev,
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
+ struct enetc_si *si = priv->si;
- enetc_ctrl_stats(hw, 0, ctrl_stats);
+ switch (ctrl_stats->src) {
+ case ETHTOOL_MAC_STATS_SRC_EMAC:
+ enetc_ctrl_stats(hw, 0, ctrl_stats);
+ break;
+ case ETHTOOL_MAC_STATS_SRC_PMAC:
+ if (si->hw_features & ENETC_SI_F_QBU)
+ enetc_ctrl_stats(hw, 1, ctrl_stats);
+ break;
+ case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
+ ethtool_aggregate_ctrl_stats(ndev, ctrl_stats);
+ break;
+ }
}
static void enetc_get_rmon_stats(struct net_device *ndev,
@@ -402,8 +445,20 @@ static void enetc_get_rmon_stats(struct net_device *ndev,
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_hw *hw = &priv->si->hw;
+ struct enetc_si *si = priv->si;
- enetc_rmon_stats(hw, 0, rmon_stats, ranges);
+ switch (rmon_stats->src) {
+ case ETHTOOL_MAC_STATS_SRC_EMAC:
+ enetc_rmon_stats(hw, 0, rmon_stats, ranges);
+ break;
+ case ETHTOOL_MAC_STATS_SRC_PMAC:
+ if (si->hw_features & ENETC_SI_F_QBU)
+ enetc_rmon_stats(hw, 1, rmon_stats, ranges);
+ break;
+ case ETHTOOL_MAC_STATS_SRC_AGGREGATE:
+ ethtool_aggregate_rmon_stats(ndev, rmon_stats);
+ break;
+ }
}
#define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \
@@ -863,6 +918,166 @@ static int enetc_set_link_ksettings(struct net_device *dev,
return phylink_ethtool_ksettings_set(priv->phylink, cmd);
}
+static void enetc_get_mm_stats(struct net_device *ndev,
+ struct ethtool_mm_stats *s)
+{
+ struct enetc_ndev_priv *priv = netdev_priv(ndev);
+ struct enetc_hw *hw = &priv->si->hw;
+ struct enetc_si *si = priv->si;
+
+ if (!(si->hw_features & ENETC_SI_F_QBU))
+ return;
+
+ s->MACMergeFrameAssErrorCount = enetc_port_rd(hw, ENETC_MMFAECR);
+ s->MACMergeFrameSmdErrorCount = enetc_port_rd(hw, ENETC_MMFSECR);
+ s->MACMergeFrameAssOkCount = enetc_port_rd(hw, ENETC_MMFAOCR);
+ s->MACMergeFragCountRx = enetc_port_rd(hw, ENETC_MMFCRXR);
+ s->MACMergeFragCountTx = enetc_port_rd(hw, ENETC_MMFCTXR);
+ s->MACMergeHoldCount = enetc_port_rd(hw, ENETC_MMHCR);
+}
+
+static int enetc_get_mm(struct net_device *ndev, struct ethtool_mm_state *state)
+{
+ struct enetc_ndev_priv *priv = netdev_priv(ndev);
+ struct enetc_si *si = priv->si;
+ struct enetc_hw *hw = &si->hw;
+ u32 lafs, rafs, val;
+
+ if (!(si->hw_features & ENETC_SI_F_QBU))
+ return -EOPNOTSUPP;
+
+ mutex_lock(&priv->mm_lock);
+
+ val = enetc_port_rd(hw, ENETC_PFPMR);
+ state->pmac_enabled = !!(val & ENETC_PFPMR_PMACE);
+
+ val = enetc_port_rd(hw, ENETC_MMCSR);
+
+ switch (ENETC_MMCSR_GET_VSTS(val)) {
+ case 0:
+ state->verify_status = ETHTOOL_MM_VERIFY_STATUS_DISABLED;
+ break;
+ case 2:
+ state->verify_status = ETHTOOL_MM_VERIFY_STATUS_VERIFYING;
+ break;
+ case 3:
+ state->verify_status = ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED;
+ break;
+ case 4:
+ state->verify_status = ETHTOOL_MM_VERIFY_STATUS_FAILED;
+ break;
+ case 5:
+ default:
+ state->verify_status = ETHTOOL_MM_VERIFY_STATUS_UNKNOWN;
+ break;
+ }
+
+ rafs = ENETC_MMCSR_GET_RAFS(val);
+ state->tx_min_frag_size = ethtool_mm_frag_size_add_to_min(rafs);
+ lafs = ENETC_MMCSR_GET_LAFS(val);
+ state->rx_min_frag_size = ethtool_mm_frag_size_add_to_min(lafs);
+ state->tx_enabled = !!(val & ENETC_MMCSR_LPE); /* mirror of MMCSR_ME */
+ state->tx_active = !!(val & ENETC_MMCSR_LPA);
+ state->verify_enabled = !(val & ENETC_MMCSR_VDIS);
+ state->verify_time = ENETC_MMCSR_GET_VT(val);
+ /* A verifyTime of 128 ms would exceed the 7 bit width
+ * of the ENETC_MMCSR_VT field
+ */
+ state->max_verify_time = 127;
+
+ mutex_unlock(&priv->mm_lock);
+
+ return 0;
+}
+
+static int enetc_set_mm(struct net_device *ndev, struct ethtool_mm_cfg *cfg,
+ struct netlink_ext_ack *extack)
+{
+ struct enetc_ndev_priv *priv = netdev_priv(ndev);
+ struct enetc_hw *hw = &priv->si->hw;
+ struct enetc_si *si = priv->si;
+ u32 val, add_frag_size;
+ int err;
+
+ if (!(si->hw_features & ENETC_SI_F_QBU))
+ return -EOPNOTSUPP;
+
+ err = ethtool_mm_frag_size_min_to_add(cfg->tx_min_frag_size,
+ &add_frag_size, extack);
+ if (err)
+ return err;
+
+ mutex_lock(&priv->mm_lock);
+
+ val = enetc_port_rd(hw, ENETC_PFPMR);
+ if (cfg->pmac_enabled)
+ val |= ENETC_PFPMR_PMACE;
+ else
+ val &= ~ENETC_PFPMR_PMACE;
+ enetc_port_wr(hw, ENETC_PFPMR, val);
+
+ val = enetc_port_rd(hw, ENETC_MMCSR);
+
+ if (cfg->verify_enabled)
+ val &= ~ENETC_MMCSR_VDIS;
+ else
+ val |= ENETC_MMCSR_VDIS;
+
+ if (cfg->tx_enabled)
+ priv->active_offloads |= ENETC_F_QBU;
+ else
+ priv->active_offloads &= ~ENETC_F_QBU;
+
+ /* If link is up, enable MAC Merge right away */
+ if (!!(priv->active_offloads & ENETC_F_QBU) &&
+ !(val & ENETC_MMCSR_LINK_FAIL))
+ val |= ENETC_MMCSR_ME;
+
+ val &= ~ENETC_MMCSR_VT_MASK;
+ val |= ENETC_MMCSR_VT(cfg->verify_time);
+
+ val &= ~ENETC_MMCSR_RAFS_MASK;
+ val |= ENETC_MMCSR_RAFS(add_frag_size);
+
+ enetc_port_wr(hw, ENETC_MMCSR, val);
+
+ mutex_unlock(&priv->mm_lock);
+
+ return 0;
+}
+
+/* When the link is lost, the verification state machine goes to the FAILED
+ * state and doesn't restart on its own after a new link up event.
+ * According to 802.3 Figure 99-8 - Verify state diagram, the LINK_FAIL bit
+ * should have been sufficient to re-trigger verification, but for ENETC it
+ * doesn't. As a workaround, we need to toggle the Merge Enable bit to
+ * re-trigger verification when link comes up.
+ */
+void enetc_mm_link_state_update(struct enetc_ndev_priv *priv, bool link)
+{
+ struct enetc_hw *hw = &priv->si->hw;
+ u32 val;
+
+ mutex_lock(&priv->mm_lock);
+
+ val = enetc_port_rd(hw, ENETC_MMCSR);
+
+ if (link) {
+ val &= ~ENETC_MMCSR_LINK_FAIL;
+ if (priv->active_offloads & ENETC_F_QBU)
+ val |= ENETC_MMCSR_ME;
+ } else {
+ val |= ENETC_MMCSR_LINK_FAIL;
+ if (priv->active_offloads & ENETC_F_QBU)
+ val &= ~ENETC_MMCSR_ME;
+ }
+
+ enetc_port_wr(hw, ENETC_MMCSR, val);
+
+ mutex_unlock(&priv->mm_lock);
+}
+EXPORT_SYMBOL_GPL(enetc_mm_link_state_update);
+
static const struct ethtool_ops enetc_pf_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
ETHTOOL_COALESCE_MAX_FRAMES |
@@ -893,6 +1108,9 @@ static const struct ethtool_ops enetc_pf_ethtool_ops = {
.set_wol = enetc_set_wol,
.get_pauseparam = enetc_get_pauseparam,
.set_pauseparam = enetc_set_pauseparam,
+ .get_mm = enetc_get_mm,
+ .set_mm = enetc_set_mm,
+ .get_mm_stats = enetc_get_mm_stats,
};
static const struct ethtool_ops enetc_vf_ethtool_ops = {
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_hw.h b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
index 041df7d0ae81..de2e0ee8cdcb 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_hw.h
+++ b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
@@ -222,7 +222,30 @@ enum enetc_bdr_type {TX, RX};
#define ENETC_PSIVHFR0(n) (0x1e00 + (n) * 8) /* n = SI index */
#define ENETC_PSIVHFR1(n) (0x1e04 + (n) * 8) /* n = SI index */
#define ENETC_MMCSR 0x1f00
-#define ENETC_MMCSR_ME BIT(16)
+#define ENETC_MMCSR_LINK_FAIL BIT(31)
+#define ENETC_MMCSR_VT_MASK GENMASK(29, 23) /* Verify Time */
+#define ENETC_MMCSR_VT(x) (((x) << 23) & ENETC_MMCSR_VT_MASK)
+#define ENETC_MMCSR_GET_VT(x) (((x) & ENETC_MMCSR_VT_MASK) >> 23)
+#define ENETC_MMCSR_TXSTS_MASK GENMASK(22, 21) /* Merge Status */
+#define ENETC_MMCSR_GET_TXSTS(x) (((x) & ENETC_MMCSR_TXSTS_MASK) >> 21)
+#define ENETC_MMCSR_VSTS_MASK GENMASK(20, 18) /* Verify Status */
+#define ENETC_MMCSR_GET_VSTS(x) (((x) & ENETC_MMCSR_VSTS_MASK) >> 18)
+#define ENETC_MMCSR_VDIS BIT(17) /* Verify Disabled */
+#define ENETC_MMCSR_ME BIT(16) /* Merge Enabled */
+#define ENETC_MMCSR_RAFS_MASK GENMASK(9, 8) /* Remote Additional Fragment Size */
+#define ENETC_MMCSR_RAFS(x) (((x) << 8) & ENETC_MMCSR_RAFS_MASK)
+#define ENETC_MMCSR_GET_RAFS(x) (((x) & ENETC_MMCSR_RAFS_MASK) >> 8)
+#define ENETC_MMCSR_LAFS_MASK GENMASK(4, 3) /* Local Additional Fragment Size */
+#define ENETC_MMCSR_GET_LAFS(x) (((x) & ENETC_MMCSR_LAFS_MASK) >> 3)
+#define ENETC_MMCSR_LPA BIT(2) /* Local Preemption Active */
+#define ENETC_MMCSR_LPE BIT(1) /* Local Preemption Enabled */
+#define ENETC_MMCSR_LPS BIT(0) /* Local Preemption Supported */
+#define ENETC_MMFAECR 0x1f08
+#define ENETC_MMFSECR 0x1f0c
+#define ENETC_MMFAOCR 0x1f10
+#define ENETC_MMFCRXR 0x1f14
+#define ENETC_MMFCTXR 0x1f18
+#define ENETC_MMHCR 0x1f1c
#define ENETC_PTCMSDUR(n) (0x2020 + (n) * 4) /* n = TC index [0..7] */
#define ENETC_PMAC_OFFSET 0x1000
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c
index 6b54071d4ecc..7cd22d370caa 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c
@@ -1086,6 +1086,9 @@ static void enetc_pl_mac_link_up(struct phylink_config *config,
enetc_port_mac_wr(si, ENETC_PM0_CMD_CFG, cmd_cfg);
enetc_mac_enable(si, true);
+
+ if (si->hw_features & ENETC_SI_F_QBU)
+ enetc_mm_link_state_update(priv, true);
}
static void enetc_pl_mac_link_down(struct phylink_config *config,
@@ -1093,8 +1096,15 @@ static void enetc_pl_mac_link_down(struct phylink_config *config,
phy_interface_t interface)
{
struct enetc_pf *pf = phylink_to_enetc_pf(config);
+ struct enetc_si *si = pf->si;
+ struct enetc_ndev_priv *priv;
- enetc_mac_enable(pf->si, false);
+ priv = netdev_priv(si->ndev);
+
+ if (si->hw_features & ENETC_SI_F_QBU)
+ enetc_mm_link_state_update(priv, false);
+
+ enetc_mac_enable(si, false);
}
static const struct phylink_mac_ops enetc_mac_phylink_ops = {
@@ -1287,6 +1297,8 @@ static int enetc_pf_probe(struct pci_dev *pdev,
priv = netdev_priv(ndev);
+ mutex_init(&priv->mm_lock);
+
enetc_init_si_rings_params(priv);
err = enetc_alloc_si_resources(priv);
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_qos.c b/drivers/net/ethernet/freescale/enetc/enetc_qos.c
index fcebb54224c0..130ebf6853e6 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c
@@ -136,29 +136,21 @@ int enetc_setup_tc_taprio(struct net_device *ndev, void *type_data)
{
struct tc_taprio_qopt_offload *taprio = type_data;
struct enetc_ndev_priv *priv = netdev_priv(ndev);
- struct enetc_hw *hw = &priv->si->hw;
- struct enetc_bdr *tx_ring;
- int err;
- int i;
+ int err, i;
/* TSD and Qbv are mutually exclusive in hardware */
for (i = 0; i < priv->num_tx_rings; i++)
if (priv->tx_ring[i]->tsd_enable)
return -EBUSY;
- for (i = 0; i < priv->num_tx_rings; i++) {
- tx_ring = priv->tx_ring[i];
- tx_ring->prio = taprio->enable ? i : 0;
- enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio);
- }
+ err = enetc_setup_tc_mqprio(ndev, &taprio->mqprio);
+ if (err)
+ return err;
err = enetc_setup_taprio(ndev, taprio);
if (err) {
- for (i = 0; i < priv->num_tx_rings; i++) {
- tx_ring = priv->tx_ring[i];
- tx_ring->prio = taprio->enable ? 0 : i;
- enetc_set_bdr_prio(hw, tx_ring->index, tx_ring->prio);
- }
+ taprio->mqprio.qopt.num_tc = 0;
+ enetc_setup_tc_mqprio(ndev, &taprio->mqprio);
}
return err;
@@ -1611,6 +1603,13 @@ int enetc_qos_query_caps(struct net_device *ndev, void *type_data)
struct enetc_si *si = priv->si;
switch (base->type) {
+ case TC_SETUP_QDISC_MQPRIO: {
+ struct tc_mqprio_caps *caps = base->caps;
+
+ caps->validate_queue_counts = true;
+
+ return 0;
+ }
case TC_SETUP_QDISC_TAPRIO: {
struct tc_taprio_caps *caps = base->caps;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 5ff45b1a74a5..c73e25f8995e 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -56,12 +56,12 @@
#include <linux/fec.h>
#include <linux/of.h>
#include <linux/of_device.h>
-#include <linux/of_gpio.h>
#include <linux/of_mdio.h>
#include <linux/of_net.h>
#include <linux/regulator/consumer.h>
#include <linux/if_vlan.h>
#include <linux/pinctrl/consumer.h>
+#include <linux/gpio/consumer.h>
#include <linux/prefetch.h>
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
@@ -4035,10 +4035,10 @@ free_queue_mem:
#ifdef CONFIG_OF
static int fec_reset_phy(struct platform_device *pdev)
{
- int err, phy_reset;
- bool active_high = false;
+ struct gpio_desc *phy_reset;
int msec = 1, phy_post_delay = 0;
struct device_node *np = pdev->dev.of_node;
+ int err;
if (!np)
return 0;
@@ -4048,33 +4048,26 @@ static int fec_reset_phy(struct platform_device *pdev)
if (!err && msec > 1000)
msec = 1;
- phy_reset = of_get_named_gpio(np, "phy-reset-gpios", 0);
- if (phy_reset == -EPROBE_DEFER)
- return phy_reset;
- else if (!gpio_is_valid(phy_reset))
- return 0;
-
err = of_property_read_u32(np, "phy-reset-post-delay", &phy_post_delay);
/* valid reset duration should be less than 1s */
if (!err && phy_post_delay > 1000)
return -EINVAL;
- active_high = of_property_read_bool(np, "phy-reset-active-high");
+ phy_reset = devm_gpiod_get_optional(&pdev->dev, "phy-reset",
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(phy_reset))
+ return dev_err_probe(&pdev->dev, PTR_ERR(phy_reset),
+ "failed to get phy-reset-gpios\n");
- err = devm_gpio_request_one(&pdev->dev, phy_reset,
- active_high ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
- "phy-reset");
- if (err) {
- dev_err(&pdev->dev, "failed to get phy-reset-gpios: %d\n", err);
- return err;
- }
+ if (!phy_reset)
+ return 0;
if (msec > 20)
msleep(msec);
else
usleep_range(msec * 1000, msec * 1000 + 1000);
- gpio_set_value_cansleep(phy_reset, !active_high);
+ gpiod_set_value_cansleep(phy_reset, 0);
if (!phy_post_delay)
return 0;
diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c
index 9349f841bd06..587ad81a2dc3 100644
--- a/drivers/net/ethernet/freescale/fman/fman_memac.c
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.c
@@ -1055,6 +1055,9 @@ static struct phylink_pcs *memac_pcs_create(struct device_node *mac_node,
return ERR_PTR(-EPROBE_DEFER);
pcs = lynx_pcs_create(mdiodev);
+ if (!pcs)
+ mdio_device_free(mdiodev);
+
return pcs;
}
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