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Diffstat (limited to 'drivers/ptp')
-rw-r--r--drivers/ptp/ptp_ines.c91
-rw-r--r--drivers/ptp/ptp_qoriq.c20
2 files changed, 45 insertions, 66 deletions
diff --git a/drivers/ptp/ptp_ines.c b/drivers/ptp/ptp_ines.c
index 7711651ff19e..4700ffbdfced 100644
--- a/drivers/ptp/ptp_ines.c
+++ b/drivers/ptp/ptp_ines.c
@@ -93,9 +93,6 @@ MODULE_LICENSE("GPL");
#define TC_E2E_PTP_V2 2
#define TC_P2P_PTP_V2 3
-#define OFF_PTP_CLOCK_ID 20
-#define OFF_PTP_PORT_NUM 28
-
#define PHY_SPEED_10 0
#define PHY_SPEED_100 1
#define PHY_SPEED_1000 2
@@ -443,57 +440,41 @@ static void ines_link_state(struct mii_timestamper *mii_ts,
static bool ines_match(struct sk_buff *skb, unsigned int ptp_class,
struct ines_timestamp *ts, struct device *dev)
{
- u8 *msgtype, *data = skb_mac_header(skb);
- unsigned int offset = 0;
- __be16 *portn, *seqid;
- __be64 *clkid;
+ struct ptp_header *hdr;
+ u16 portn, seqid;
+ u8 msgtype;
+ u64 clkid;
if (unlikely(ptp_class & PTP_CLASS_V1))
return false;
- if (ptp_class & PTP_CLASS_VLAN)
- offset += VLAN_HLEN;
-
- switch (ptp_class & PTP_CLASS_PMASK) {
- case PTP_CLASS_IPV4:
- offset += ETH_HLEN + IPV4_HLEN(data + offset) + UDP_HLEN;
- break;
- case PTP_CLASS_IPV6:
- offset += ETH_HLEN + IP6_HLEN + UDP_HLEN;
- break;
- case PTP_CLASS_L2:
- offset += ETH_HLEN;
- break;
- default:
- return false;
- }
-
- if (skb->len + ETH_HLEN < offset + OFF_PTP_SEQUENCE_ID + sizeof(*seqid))
+ hdr = ptp_parse_header(skb, ptp_class);
+ if (!hdr)
return false;
- msgtype = data + offset;
- clkid = (__be64 *)(data + offset + OFF_PTP_CLOCK_ID);
- portn = (__be16 *)(data + offset + OFF_PTP_PORT_NUM);
- seqid = (__be16 *)(data + offset + OFF_PTP_SEQUENCE_ID);
+ msgtype = ptp_get_msgtype(hdr, ptp_class);
+ clkid = be64_to_cpup((__be64 *)&hdr->source_port_identity.clock_identity.id[0]);
+ portn = be16_to_cpu(hdr->source_port_identity.port_number);
+ seqid = be16_to_cpu(hdr->sequence_id);
- if (tag_to_msgtype(ts->tag & 0x7) != (*msgtype & 0xf)) {
+ if (tag_to_msgtype(ts->tag & 0x7) != msgtype) {
dev_dbg(dev, "msgtype mismatch ts %hhu != skb %hhu\n",
- tag_to_msgtype(ts->tag & 0x7), *msgtype & 0xf);
+ tag_to_msgtype(ts->tag & 0x7), msgtype);
return false;
}
- if (cpu_to_be64(ts->clkid) != *clkid) {
+ if (ts->clkid != clkid) {
dev_dbg(dev, "clkid mismatch ts %llx != skb %llx\n",
- cpu_to_be64(ts->clkid), *clkid);
+ ts->clkid, clkid);
return false;
}
- if (ts->portnum != ntohs(*portn)) {
+ if (ts->portnum != portn) {
dev_dbg(dev, "portn mismatch ts %hu != skb %hu\n",
- ts->portnum, ntohs(*portn));
+ ts->portnum, portn);
return false;
}
- if (ts->seqid != ntohs(*seqid)) {
+ if (ts->seqid != seqid) {
dev_dbg(dev, "seqid mismatch ts %hu != skb %hu\n",
- ts->seqid, ntohs(*seqid));
+ ts->seqid, seqid);
return false;
}
@@ -663,8 +644,7 @@ static void ines_txtstamp(struct mii_timestamper *mii_ts,
spin_unlock_irqrestore(&port->lock, flags);
- if (old_skb)
- kfree_skb(old_skb);
+ kfree_skb(old_skb);
schedule_delayed_work(&port->ts_work, 1);
}
@@ -694,35 +674,16 @@ static void ines_txtstamp_work(struct work_struct *work)
static bool is_sync_pdelay_resp(struct sk_buff *skb, int type)
{
- u8 *data = skb->data, *msgtype;
- unsigned int offset = 0;
-
- if (type & PTP_CLASS_VLAN)
- offset += VLAN_HLEN;
+ struct ptp_header *hdr;
+ u8 msgtype;
- switch (type & PTP_CLASS_PMASK) {
- case PTP_CLASS_IPV4:
- offset += ETH_HLEN + IPV4_HLEN(data + offset) + UDP_HLEN;
- break;
- case PTP_CLASS_IPV6:
- offset += ETH_HLEN + IP6_HLEN + UDP_HLEN;
- break;
- case PTP_CLASS_L2:
- offset += ETH_HLEN;
- break;
- default:
- return 0;
- }
-
- if (type & PTP_CLASS_V1)
- offset += OFF_PTP_CONTROL;
-
- if (skb->len < offset + 1)
- return 0;
+ hdr = ptp_parse_header(skb, type);
+ if (!hdr)
+ return false;
- msgtype = data + offset;
+ msgtype = ptp_get_msgtype(hdr, type);
- switch ((*msgtype & 0xf)) {
+ switch ((msgtype & 0xf)) {
case SYNC:
case PDELAY_RESP:
return true;
diff --git a/drivers/ptp/ptp_qoriq.c b/drivers/ptp/ptp_qoriq.c
index c09c16be0edf..beb5f74944cd 100644
--- a/drivers/ptp/ptp_qoriq.c
+++ b/drivers/ptp/ptp_qoriq.c
@@ -72,6 +72,10 @@ static void set_fipers(struct ptp_qoriq *ptp_qoriq)
set_alarm(ptp_qoriq);
ptp_qoriq->write(&regs->fiper_regs->tmr_fiper1, ptp_qoriq->tmr_fiper1);
ptp_qoriq->write(&regs->fiper_regs->tmr_fiper2, ptp_qoriq->tmr_fiper2);
+
+ if (ptp_qoriq->fiper3_support)
+ ptp_qoriq->write(&regs->fiper_regs->tmr_fiper3,
+ ptp_qoriq->tmr_fiper3);
}
int extts_clean_up(struct ptp_qoriq *ptp_qoriq, int index, bool update_event)
@@ -366,6 +370,7 @@ static u32 ptp_qoriq_nominal_freq(u32 clk_src)
* "fsl,tmr-add"
* "fsl,tmr-fiper1"
* "fsl,tmr-fiper2"
+ * "fsl,tmr-fiper3" (required only for DPAA2 and ENETC hardware)
* "fsl,max-adj"
*
* Return 0 if success
@@ -412,6 +417,7 @@ static int ptp_qoriq_auto_config(struct ptp_qoriq *ptp_qoriq,
ptp_qoriq->tmr_add = freq_comp;
ptp_qoriq->tmr_fiper1 = DEFAULT_FIPER1_PERIOD - ptp_qoriq->tclk_period;
ptp_qoriq->tmr_fiper2 = DEFAULT_FIPER2_PERIOD - ptp_qoriq->tclk_period;
+ ptp_qoriq->tmr_fiper3 = DEFAULT_FIPER3_PERIOD - ptp_qoriq->tclk_period;
/* max_adj = 1000000000 * (freq_ratio - 1.0) - 1
* freq_ratio = reference_clock_freq / nominal_freq
@@ -446,6 +452,10 @@ int ptp_qoriq_init(struct ptp_qoriq *ptp_qoriq, void __iomem *base,
else
ptp_qoriq->extts_fifo_support = false;
+ if (of_device_is_compatible(node, "fsl,dpaa2-ptp") ||
+ of_device_is_compatible(node, "fsl,enetc-ptp"))
+ ptp_qoriq->fiper3_support = true;
+
if (of_property_read_u32(node,
"fsl,tclk-period", &ptp_qoriq->tclk_period) ||
of_property_read_u32(node,
@@ -457,7 +467,10 @@ int ptp_qoriq_init(struct ptp_qoriq *ptp_qoriq, void __iomem *base,
of_property_read_u32(node,
"fsl,tmr-fiper2", &ptp_qoriq->tmr_fiper2) ||
of_property_read_u32(node,
- "fsl,max-adj", &ptp_qoriq->caps.max_adj)) {
+ "fsl,max-adj", &ptp_qoriq->caps.max_adj) ||
+ (ptp_qoriq->fiper3_support &&
+ of_property_read_u32(node, "fsl,tmr-fiper3",
+ &ptp_qoriq->tmr_fiper3))) {
pr_warn("device tree node missing required elements, try automatic configuration\n");
if (ptp_qoriq_auto_config(ptp_qoriq, node))
@@ -502,6 +515,11 @@ int ptp_qoriq_init(struct ptp_qoriq *ptp_qoriq, void __iomem *base,
ptp_qoriq->write(&regs->ctrl_regs->tmr_prsc, ptp_qoriq->tmr_prsc);
ptp_qoriq->write(&regs->fiper_regs->tmr_fiper1, ptp_qoriq->tmr_fiper1);
ptp_qoriq->write(&regs->fiper_regs->tmr_fiper2, ptp_qoriq->tmr_fiper2);
+
+ if (ptp_qoriq->fiper3_support)
+ ptp_qoriq->write(&regs->fiper_regs->tmr_fiper3,
+ ptp_qoriq->tmr_fiper3);
+
set_alarm(ptp_qoriq);
ptp_qoriq->write(&regs->ctrl_regs->tmr_ctrl,
tmr_ctrl|FIPERST|RTPE|TE|FRD);