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-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.c6
-rw-r--r--drivers/net/ethernet/broadcom/b44.c1
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.c15
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c2
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_ethtool.c15
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_rx.c29
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/fw.c9
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/fw.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/main.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c37
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_common.c2
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_mcp.c2
-rw-r--r--drivers/net/ethernet/ti/cpts.c111
-rw-r--r--drivers/net/ethernet/ti/cpts.h2
15 files changed, 183 insertions, 55 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 86058a9f3417..1d307f2def2d 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1785,9 +1785,9 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
xgene_enet_gpiod_get(pdata);
- if (pdata->phy_mode != PHY_INTERFACE_MODE_SGMII) {
- pdata->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(pdata->clk)) {
+ pdata->clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(pdata->clk)) {
+ if (pdata->phy_mode != PHY_INTERFACE_MODE_SGMII) {
/* Abort if the clock is defined but couldn't be
* retrived. Always abort if the clock is missing on
* DT system as the driver can't cope with this case.
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index f411936b744c..a1125d10c825 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -2368,6 +2368,7 @@ static int b44_init_one(struct ssb_device *sdev,
bp->msg_enable = netif_msg_init(b44_debug, B44_DEF_MSG_ENABLE);
spin_lock_init(&bp->lock);
+ u64_stats_init(&bp->hw_stats.syncp);
bp->rx_pending = B44_DEF_RX_RING_PENDING;
bp->tx_pending = B44_DEF_TX_RING_PENDING;
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 99576ba4187f..32c116652755 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -111,6 +111,7 @@ static void send_request_map(struct ibmvnic_adapter *, dma_addr_t, __be32, u8);
static void send_request_unmap(struct ibmvnic_adapter *, u8);
static void send_login(struct ibmvnic_adapter *adapter);
static void send_cap_queries(struct ibmvnic_adapter *adapter);
+static int init_sub_crqs(struct ibmvnic_adapter *);
static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter);
static int ibmvnic_init(struct ibmvnic_adapter *);
static void release_crq_queue(struct ibmvnic_adapter *);
@@ -676,6 +677,7 @@ static int ibmvnic_login(struct net_device *netdev)
struct ibmvnic_adapter *adapter = netdev_priv(netdev);
unsigned long timeout = msecs_to_jiffies(30000);
struct device *dev = &adapter->vdev->dev;
+ int rc;
do {
if (adapter->renegotiate) {
@@ -689,6 +691,18 @@ static int ibmvnic_login(struct net_device *netdev)
dev_err(dev, "Capabilities query timeout\n");
return -1;
}
+ rc = init_sub_crqs(adapter);
+ if (rc) {
+ dev_err(dev,
+ "Initialization of SCRQ's failed\n");
+ return -1;
+ }
+ rc = init_sub_crq_irqs(adapter);
+ if (rc) {
+ dev_err(dev,
+ "Initialization of SCRQ's irqs failed\n");
+ return -1;
+ }
}
reinit_completion(&adapter->init_done);
@@ -3106,7 +3120,6 @@ static void handle_request_cap_rsp(union ibmvnic_crq *crq,
*req_value,
(long int)be64_to_cpu(crq->request_capability_rsp.
number), name);
- release_sub_crqs(adapter);
*req_value = be64_to_cpu(crq->request_capability_rsp.number);
ibmvnic_send_req_caps(adapter, 1);
return;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index d464fceb300f..8a969d8f0790 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -1113,6 +1113,8 @@ int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring)
if (!tx_ring->tx_bi)
goto err;
+ u64_stats_init(&tx_ring->syncp);
+
/* round up to nearest 4K */
tx_ring->size = tx_ring->count * sizeof(struct i40e_tx_desc);
/* add u32 for head writeback, align after this takes care of
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 084c53582793..032f8ac06357 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -2988,6 +2988,8 @@ int ixgbevf_setup_tx_resources(struct ixgbevf_ring *tx_ring)
if (!tx_ring->tx_buffer_info)
goto err;
+ u64_stats_init(&tx_ring->syncp);
+
/* round up to nearest 4K */
tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
tx_ring->size = ALIGN(tx_ring->size, 4096);
@@ -3046,6 +3048,8 @@ int ixgbevf_setup_rx_resources(struct ixgbevf_ring *rx_ring)
if (!rx_ring->rx_buffer_info)
goto err;
+ u64_stats_init(&rx_ring->syncp);
+
/* Round up to nearest 4K */
rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
rx_ring->size = ALIGN(rx_ring->size, 4096);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index c751a1d434ad..3d4e4a5d00d1 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -223,6 +223,7 @@ static void mlx4_en_get_wol(struct net_device *netdev,
struct ethtool_wolinfo *wol)
{
struct mlx4_en_priv *priv = netdev_priv(netdev);
+ struct mlx4_caps *caps = &priv->mdev->dev->caps;
int err = 0;
u64 config = 0;
u64 mask;
@@ -235,24 +236,24 @@ static void mlx4_en_get_wol(struct net_device *netdev,
mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
MLX4_DEV_CAP_FLAG_WOL_PORT2;
- if (!(priv->mdev->dev->caps.flags & mask)) {
+ if (!(caps->flags & mask)) {
wol->supported = 0;
wol->wolopts = 0;
return;
}
+ if (caps->wol_port[priv->port])
+ wol->supported = WAKE_MAGIC;
+ else
+ wol->supported = 0;
+
err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
if (err) {
en_err(priv, "Failed to get WoL information\n");
return;
}
- if (config & MLX4_EN_WOL_MAGIC)
- wol->supported = WAKE_MAGIC;
- else
- wol->supported = 0;
-
- if (config & MLX4_EN_WOL_ENABLED)
+ if ((config & MLX4_EN_WOL_ENABLED) && (config & MLX4_EN_WOL_MAGIC))
wol->wolopts = WAKE_MAGIC;
else
wol->wolopts = 0;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 436f7689a032..bf1638044a7a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -574,16 +574,21 @@ static inline __wsum get_fixed_vlan_csum(__wsum hw_checksum,
* header, the HW adds it. To address that, we are subtracting the pseudo
* header checksum from the checksum value provided by the HW.
*/
-static void get_fixed_ipv4_csum(__wsum hw_checksum, struct sk_buff *skb,
- struct iphdr *iph)
+static int get_fixed_ipv4_csum(__wsum hw_checksum, struct sk_buff *skb,
+ struct iphdr *iph)
{
__u16 length_for_csum = 0;
__wsum csum_pseudo_header = 0;
+ __u8 ipproto = iph->protocol;
+
+ if (unlikely(ipproto == IPPROTO_SCTP))
+ return -1;
length_for_csum = (be16_to_cpu(iph->tot_len) - (iph->ihl << 2));
csum_pseudo_header = csum_tcpudp_nofold(iph->saddr, iph->daddr,
- length_for_csum, iph->protocol, 0);
+ length_for_csum, ipproto, 0);
skb->csum = csum_sub(hw_checksum, csum_pseudo_header);
+ return 0;
}
#if IS_ENABLED(CONFIG_IPV6)
@@ -594,17 +599,20 @@ static void get_fixed_ipv4_csum(__wsum hw_checksum, struct sk_buff *skb,
static int get_fixed_ipv6_csum(__wsum hw_checksum, struct sk_buff *skb,
struct ipv6hdr *ipv6h)
{
+ __u8 nexthdr = ipv6h->nexthdr;
__wsum csum_pseudo_hdr = 0;
- if (unlikely(ipv6h->nexthdr == IPPROTO_FRAGMENT ||
- ipv6h->nexthdr == IPPROTO_HOPOPTS))
+ if (unlikely(nexthdr == IPPROTO_FRAGMENT ||
+ nexthdr == IPPROTO_HOPOPTS ||
+ nexthdr == IPPROTO_SCTP))
return -1;
- hw_checksum = csum_add(hw_checksum, (__force __wsum)htons(ipv6h->nexthdr));
+ hw_checksum = csum_add(hw_checksum, (__force __wsum)htons(nexthdr));
csum_pseudo_hdr = csum_partial(&ipv6h->saddr,
sizeof(ipv6h->saddr) + sizeof(ipv6h->daddr), 0);
csum_pseudo_hdr = csum_add(csum_pseudo_hdr, (__force __wsum)ipv6h->payload_len);
- csum_pseudo_hdr = csum_add(csum_pseudo_hdr, (__force __wsum)ntohs(ipv6h->nexthdr));
+ csum_pseudo_hdr = csum_add(csum_pseudo_hdr,
+ (__force __wsum)htons(nexthdr));
skb->csum = csum_sub(hw_checksum, csum_pseudo_hdr);
skb->csum = csum_add(skb->csum, csum_partial(ipv6h, sizeof(struct ipv6hdr), 0));
@@ -627,11 +635,10 @@ static int check_csum(struct mlx4_cqe *cqe, struct sk_buff *skb, void *va,
}
if (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPV4))
- get_fixed_ipv4_csum(hw_checksum, skb, hdr);
+ return get_fixed_ipv4_csum(hw_checksum, skb, hdr);
#if IS_ENABLED(CONFIG_IPV6)
- else if (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPV6))
- if (unlikely(get_fixed_ipv6_csum(hw_checksum, skb, hdr)))
- return -1;
+ if (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPV6))
+ return get_fixed_ipv6_csum(hw_checksum, skb, hdr);
#endif
return 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 37e84a59e751..041c0ed65929 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -159,8 +159,9 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
[32] = "Loopback source checks support",
[33] = "RoCEv2 support",
[34] = "DMFS Sniffer support (UC & MC)",
- [35] = "QinQ VST mode support",
- [36] = "sl to vl mapping table change event support"
+ [35] = "Diag counters per port",
+ [36] = "QinQ VST mode support",
+ [37] = "sl to vl mapping table change event support",
};
int i;
@@ -764,6 +765,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
#define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
#define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
#define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
+#define QUERY_DEV_CAP_WOL_OFFSET 0x43
#define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
#define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
#define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
@@ -920,6 +922,9 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
dev_cap->flags = flags | (u64)ext_flags << 32;
+ MLX4_GET(field, outbox, QUERY_DEV_CAP_WOL_OFFSET);
+ dev_cap->wol_port[1] = !!(field & 0x20);
+ dev_cap->wol_port[2] = !!(field & 0x40);
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
dev_cap->reserved_uars = field >> 4;
MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h
index 5343a0599253..b52ba01aa486 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.h
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.h
@@ -129,6 +129,7 @@ struct mlx4_dev_cap {
u32 dmfs_high_rate_qpn_range;
struct mlx4_rate_limit_caps rl_caps;
struct mlx4_port_cap port_cap[MLX4_MAX_PORTS + 1];
+ bool wol_port[MLX4_MAX_PORTS + 1];
};
struct mlx4_func_cap {
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index a27c9c13a36e..09b9bc17bce9 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -424,6 +424,8 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev->caps.stat_rate_support = dev_cap->stat_rate_support;
dev->caps.max_gso_sz = dev_cap->max_gso_sz;
dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz;
+ dev->caps.wol_port[1] = dev_cap->wol_port[1];
+ dev->caps.wol_port[2] = dev_cap->wol_port[2];
/* Save uar page shift */
if (!mlx4_is_slave(dev)) {
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 656b2d3f1bee..5eb1606765c5 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -626,8 +626,8 @@ static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port,
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge,
orig_dev);
- if (WARN_ON(!bridge_port))
- return -EINVAL;
+ if (!bridge_port)
+ return 0;
err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port,
MLXSW_SP_FLOOD_TYPE_UC,
@@ -711,8 +711,8 @@ static int mlxsw_sp_port_attr_mc_router_set(struct mlxsw_sp_port *mlxsw_sp_port,
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge,
orig_dev);
- if (WARN_ON(!bridge_port))
- return -EINVAL;
+ if (!bridge_port)
+ return 0;
if (!bridge_port->bridge_device->multicast_enabled)
return 0;
@@ -1283,15 +1283,15 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port,
return 0;
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
- if (WARN_ON(!bridge_port))
- return -EINVAL;
+ if (!bridge_port)
+ return 0;
bridge_device = bridge_port->bridge_device;
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port,
bridge_device,
mdb->vid);
- if (WARN_ON(!mlxsw_sp_port_vlan))
- return -EINVAL;
+ if (!mlxsw_sp_port_vlan)
+ return 0;
fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
@@ -1407,15 +1407,15 @@ static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port,
int err = 0;
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
- if (WARN_ON(!bridge_port))
- return -EINVAL;
+ if (!bridge_port)
+ return 0;
bridge_device = bridge_port->bridge_device;
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port,
bridge_device,
mdb->vid);
- if (WARN_ON(!mlxsw_sp_port_vlan))
- return -EINVAL;
+ if (!mlxsw_sp_port_vlan)
+ return 0;
fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
@@ -1974,6 +1974,17 @@ static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp)
}
+static void mlxsw_sp_mids_fini(struct mlxsw_sp *mlxsw_sp)
+{
+ struct mlxsw_sp_mid *mid, *tmp;
+
+ list_for_each_entry_safe(mid, tmp, &mlxsw_sp->bridge->mids_list, list) {
+ list_del(&mid->list);
+ clear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap);
+ kfree(mid);
+ }
+}
+
int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_bridge *bridge;
@@ -1996,7 +2007,7 @@ int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_sp_fdb_fini(mlxsw_sp);
- WARN_ON(!list_empty(&mlxsw_sp->bridge->mids_list));
+ mlxsw_sp_mids_fini(mlxsw_sp);
WARN_ON(!list_empty(&mlxsw_sp->bridge->bridges_list));
kfree(mlxsw_sp->bridge);
}
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index ea471604450e..4a990033c4d5 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -513,6 +513,7 @@ nfp_net_tx_ring_init(struct nfp_net_tx_ring *tx_ring,
tx_ring->idx = idx;
tx_ring->r_vec = r_vec;
tx_ring->is_xdp = is_xdp;
+ u64_stats_init(&tx_ring->r_vec->tx_sync);
tx_ring->qcidx = tx_ring->idx * nn->stride_tx;
tx_ring->qcp_q = nn->tx_bar + NFP_QCP_QUEUE_OFF(tx_ring->qcidx);
@@ -532,6 +533,7 @@ nfp_net_rx_ring_init(struct nfp_net_rx_ring *rx_ring,
rx_ring->idx = idx;
rx_ring->r_vec = r_vec;
+ u64_stats_init(&rx_ring->r_vec->rx_sync);
rx_ring->fl_qcidx = rx_ring->idx * nn->stride_rx;
rx_ring->qcp_fl = nn->rx_bar + NFP_QCP_QUEUE_OFF(rx_ring->fl_qcidx);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index c1ecce6b9141..376485d99357 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -253,7 +253,7 @@ int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL);
- if (!p_info->mfw_mb_shadow || !p_info->mfw_mb_addr)
+ if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow)
goto err;
return 0;
diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index 32279d21c836..c2121d214f08 100644
--- a/drivers/net/ethernet/ti/cpts.c
+++ b/drivers/net/ethernet/ti/cpts.c
@@ -31,9 +31,18 @@
#include "cpts.h"
+#define CPTS_SKB_TX_WORK_TIMEOUT 1 /* jiffies */
+
+struct cpts_skb_cb_data {
+ unsigned long tmo;
+};
+
#define cpts_read32(c, r) readl_relaxed(&c->reg->r)
#define cpts_write32(c, v, r) writel_relaxed(v, &c->reg->r)
+static int cpts_match(struct sk_buff *skb, unsigned int ptp_class,
+ u16 ts_seqid, u8 ts_msgtype);
+
static int event_expired(struct cpts_event *event)
{
return time_after(jiffies, event->tmo);
@@ -77,6 +86,47 @@ static int cpts_purge_events(struct cpts *cpts)
return removed ? 0 : -1;
}
+static bool cpts_match_tx_ts(struct cpts *cpts, struct cpts_event *event)
+{
+ struct sk_buff *skb, *tmp;
+ u16 seqid;
+ u8 mtype;
+ bool found = false;
+
+ mtype = (event->high >> MESSAGE_TYPE_SHIFT) & MESSAGE_TYPE_MASK;
+ seqid = (event->high >> SEQUENCE_ID_SHIFT) & SEQUENCE_ID_MASK;
+
+ /* no need to grab txq.lock as access is always done under cpts->lock */
+ skb_queue_walk_safe(&cpts->txq, skb, tmp) {
+ struct skb_shared_hwtstamps ssh;
+ unsigned int class = ptp_classify_raw(skb);
+ struct cpts_skb_cb_data *skb_cb =
+ (struct cpts_skb_cb_data *)skb->cb;
+
+ if (cpts_match(skb, class, seqid, mtype)) {
+ u64 ns = timecounter_cyc2time(&cpts->tc, event->low);
+
+ memset(&ssh, 0, sizeof(ssh));
+ ssh.hwtstamp = ns_to_ktime(ns);
+ skb_tstamp_tx(skb, &ssh);
+ found = true;
+ __skb_unlink(skb, &cpts->txq);
+ dev_consume_skb_any(skb);
+ dev_dbg(cpts->dev, "match tx timestamp mtype %u seqid %04x\n",
+ mtype, seqid);
+ } else if (time_after(jiffies, skb_cb->tmo)) {
+ /* timeout any expired skbs over 1s */
+ dev_dbg(cpts->dev,
+ "expiring tx timestamp mtype %u seqid %04x\n",
+ mtype, seqid);
+ __skb_unlink(skb, &cpts->txq);
+ dev_consume_skb_any(skb);
+ }
+ }
+
+ return found;
+}
+
/*
* Returns zero if matching event type was found.
*/
@@ -101,9 +151,15 @@ static int cpts_fifo_read(struct cpts *cpts, int match)
event->low = lo;
type = event_type(event);
switch (type) {
+ case CPTS_EV_TX:
+ if (cpts_match_tx_ts(cpts, event)) {
+ /* if the new event matches an existing skb,
+ * then don't queue it
+ */
+ break;
+ }
case CPTS_EV_PUSH:
case CPTS_EV_RX:
- case CPTS_EV_TX:
list_del_init(&event->list);
list_add_tail(&event->list, &cpts->events);
break;
@@ -224,6 +280,24 @@ static int cpts_ptp_enable(struct ptp_clock_info *ptp,
return -EOPNOTSUPP;
}
+static long cpts_overflow_check(struct ptp_clock_info *ptp)
+{
+ struct cpts *cpts = container_of(ptp, struct cpts, info);
+ unsigned long delay = cpts->ov_check_period;
+ struct timespec64 ts;
+ unsigned long flags;
+
+ spin_lock_irqsave(&cpts->lock, flags);
+ ts = ns_to_timespec64(timecounter_read(&cpts->tc));
+
+ if (!skb_queue_empty(&cpts->txq))
+ delay = CPTS_SKB_TX_WORK_TIMEOUT;
+ spin_unlock_irqrestore(&cpts->lock, flags);
+
+ pr_debug("cpts overflow check at %lld.%09lu\n", ts.tv_sec, ts.tv_nsec);
+ return (long)delay;
+}
+
static struct ptp_clock_info cpts_info = {
.owner = THIS_MODULE,
.name = "CTPS timer",
@@ -236,18 +310,9 @@ static struct ptp_clock_info cpts_info = {
.gettime64 = cpts_ptp_gettime,
.settime64 = cpts_ptp_settime,
.enable = cpts_ptp_enable,
+ .do_aux_work = cpts_overflow_check,
};
-static void cpts_overflow_check(struct work_struct *work)
-{
- struct timespec64 ts;
- struct cpts *cpts = container_of(work, struct cpts, overflow_work.work);
-
- cpts_ptp_gettime(&cpts->info, &ts);
- pr_debug("cpts overflow check at %lld.%09lu\n", ts.tv_sec, ts.tv_nsec);
- schedule_delayed_work(&cpts->overflow_work, cpts->ov_check_period);
-}
-
static int cpts_match(struct sk_buff *skb, unsigned int ptp_class,
u16 ts_seqid, u8 ts_msgtype)
{
@@ -299,7 +364,7 @@ static u64 cpts_find_ts(struct cpts *cpts, struct sk_buff *skb, int ev_type)
return 0;
spin_lock_irqsave(&cpts->lock, flags);
- cpts_fifo_read(cpts, CPTS_EV_PUSH);
+ cpts_fifo_read(cpts, -1);
list_for_each_safe(this, next, &cpts->events) {
event = list_entry(this, struct cpts_event, list);
if (event_expired(event)) {
@@ -317,6 +382,19 @@ static u64 cpts_find_ts(struct cpts *cpts, struct sk_buff *skb, int ev_type)
break;
}
}
+
+ if (ev_type == CPTS_EV_TX && !ns) {
+ struct cpts_skb_cb_data *skb_cb =
+ (struct cpts_skb_cb_data *)skb->cb;
+ /* Not found, add frame to queue for processing later.
+ * The periodic FIFO check will handle this.
+ */
+ skb_get(skb);
+ /* get the timestamp for timeouts */
+ skb_cb->tmo = jiffies + msecs_to_jiffies(100);
+ __skb_queue_tail(&cpts->txq, skb);
+ ptp_schedule_worker(cpts->clock, 0);
+ }
spin_unlock_irqrestore(&cpts->lock, flags);
return ns;
@@ -358,6 +436,7 @@ int cpts_register(struct cpts *cpts)
{
int err, i;
+ skb_queue_head_init(&cpts->txq);
INIT_LIST_HEAD(&cpts->events);
INIT_LIST_HEAD(&cpts->pool);
for (i = 0; i < CPTS_MAX_EVENTS; i++)
@@ -378,7 +457,7 @@ int cpts_register(struct cpts *cpts)
}
cpts->phc_index = ptp_clock_index(cpts->clock);
- schedule_delayed_work(&cpts->overflow_work, cpts->ov_check_period);
+ ptp_schedule_worker(cpts->clock, cpts->ov_check_period);
return 0;
err_ptp:
@@ -392,14 +471,15 @@ void cpts_unregister(struct cpts *cpts)
if (WARN_ON(!cpts->clock))
return;
- cancel_delayed_work_sync(&cpts->overflow_work);
-
ptp_clock_unregister(cpts->clock);
cpts->clock = NULL;
cpts_write32(cpts, 0, int_enable);
cpts_write32(cpts, 0, control);
+ /* Drop all packet */
+ skb_queue_purge(&cpts->txq);
+
clk_disable(cpts->refclk);
}
EXPORT_SYMBOL_GPL(cpts_unregister);
@@ -476,7 +556,6 @@ struct cpts *cpts_create(struct device *dev, void __iomem *regs,
cpts->dev = dev;
cpts->reg = (struct cpsw_cpts __iomem *)regs;
spin_lock_init(&cpts->lock);
- INIT_DELAYED_WORK(&cpts->overflow_work, cpts_overflow_check);
ret = cpts_of_parse(cpts, node);
if (ret)
diff --git a/drivers/net/ethernet/ti/cpts.h b/drivers/net/ethernet/ti/cpts.h
index 01ea82ba9cdc..73d73faf0f38 100644
--- a/drivers/net/ethernet/ti/cpts.h
+++ b/drivers/net/ethernet/ti/cpts.h
@@ -119,13 +119,13 @@ struct cpts {
u32 cc_mult; /* for the nominal frequency */
struct cyclecounter cc;
struct timecounter tc;
- struct delayed_work overflow_work;
int phc_index;
struct clk *refclk;
struct list_head events;
struct list_head pool;
struct cpts_event pool_data[CPTS_MAX_EVENTS];
unsigned long ov_check_period;
+ struct sk_buff_head txq;
};
void cpts_rx_timestamp(struct cpts *cpts, struct sk_buff *skb);