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path: root/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c289
1 files changed, 211 insertions, 78 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
index cc07660330f5..2d4e19b96ee7 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
@@ -62,19 +62,20 @@ static int bnxt_ptp_settime(struct ptp_clock_info *ptp_info,
struct bnxt_ptp_cfg *ptp = container_of(ptp_info, struct bnxt_ptp_cfg,
ptp_info);
u64 ns = timespec64_to_ns(ts);
+ unsigned long flags;
if (BNXT_PTP_USE_RTC(ptp->bp))
return bnxt_ptp_cfg_settime(ptp->bp, ns);
- spin_lock_bh(&ptp->ptp_lock);
+ write_seqlock_irqsave(&ptp->ptp_lock, flags);
timecounter_init(&ptp->tc, &ptp->cc, ns);
- spin_unlock_bh(&ptp->ptp_lock);
+ write_sequnlock_irqrestore(&ptp->ptp_lock, flags);
return 0;
}
/* Caller holds ptp_lock */
-static int bnxt_refclk_read(struct bnxt *bp, struct ptp_system_timestamp *sts,
- u64 *ns)
+static int __bnxt_refclk_read(struct bnxt *bp, struct ptp_system_timestamp *sts,
+ u64 *ns)
{
struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
u32 high_before, high_now, low;
@@ -97,19 +98,54 @@ static int bnxt_refclk_read(struct bnxt *bp, struct ptp_system_timestamp *sts,
return 0;
}
+static int bnxt_refclk_read(struct bnxt *bp, struct ptp_system_timestamp *sts,
+ u64 *ns)
+{
+ struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
+ unsigned long flags;
+ int rc;
+
+ /* We have to serialize reg access and FW reset */
+ read_seqlock_excl_irqsave(&ptp->ptp_lock, flags);
+ rc = __bnxt_refclk_read(bp, sts, ns);
+ read_sequnlock_excl_irqrestore(&ptp->ptp_lock, flags);
+ return rc;
+}
+
+static int bnxt_refclk_read_low(struct bnxt *bp, struct ptp_system_timestamp *sts,
+ u32 *low)
+{
+ struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
+ unsigned long flags;
+
+ /* We have to serialize reg access and FW reset */
+ read_seqlock_excl_irqsave(&ptp->ptp_lock, flags);
+
+ if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) {
+ read_sequnlock_excl_irqrestore(&ptp->ptp_lock, flags);
+ return -EIO;
+ }
+
+ ptp_read_system_prets(sts);
+ *low = readl(bp->bar0 + ptp->refclk_mapped_regs[0]);
+ ptp_read_system_postts(sts);
+
+ read_sequnlock_excl_irqrestore(&ptp->ptp_lock, flags);
+ return 0;
+}
+
static void bnxt_ptp_get_current_time(struct bnxt *bp)
{
struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
if (!ptp)
return;
- spin_lock_bh(&ptp->ptp_lock);
- WRITE_ONCE(ptp->old_time, ptp->current_time);
+ WRITE_ONCE(ptp->old_time, ptp->current_time >> BNXT_HI_TIMER_SHIFT);
bnxt_refclk_read(bp, NULL, &ptp->current_time);
- spin_unlock_bh(&ptp->ptp_lock);
}
-static int bnxt_hwrm_port_ts_query(struct bnxt *bp, u32 flags, u64 *ts)
+static int bnxt_hwrm_port_ts_query(struct bnxt *bp, u32 flags, u64 *ts,
+ u32 txts_tmo, int slot)
{
struct hwrm_port_ts_query_output *resp;
struct hwrm_port_ts_query_input *req;
@@ -122,10 +158,16 @@ static int bnxt_hwrm_port_ts_query(struct bnxt *bp, u32 flags, u64 *ts)
req->flags = cpu_to_le32(flags);
if ((flags & PORT_TS_QUERY_REQ_FLAGS_PATH) ==
PORT_TS_QUERY_REQ_FLAGS_PATH_TX) {
+ struct bnxt_ptp_tx_req *txts_req = &bp->ptp_cfg->txts_req[slot];
+ u32 tmo_us = txts_tmo * 1000;
+
req->enables = cpu_to_le16(BNXT_PTP_QTS_TX_ENABLES);
- req->ptp_seq_id = cpu_to_le32(bp->ptp_cfg->tx_seqid);
- req->ptp_hdr_offset = cpu_to_le16(bp->ptp_cfg->tx_hdr_off);
- req->ts_req_timeout = cpu_to_le16(BNXT_PTP_QTS_TIMEOUT);
+ req->ptp_seq_id = cpu_to_le32(txts_req->tx_seqid);
+ req->ptp_hdr_offset = cpu_to_le16(txts_req->tx_hdr_off);
+ if (!tmo_us)
+ tmo_us = BNXT_PTP_QTS_TIMEOUT;
+ tmo_us = min(tmo_us, BNXT_PTP_QTS_MAX_TMO_US);
+ req->ts_req_timeout = cpu_to_le16(tmo_us);
}
resp = hwrm_req_hold(bp, req);
@@ -143,28 +185,26 @@ static int bnxt_ptp_gettimex(struct ptp_clock_info *ptp_info,
struct bnxt_ptp_cfg *ptp = container_of(ptp_info, struct bnxt_ptp_cfg,
ptp_info);
u64 ns, cycles;
+ u32 low;
int rc;
- spin_lock_bh(&ptp->ptp_lock);
- rc = bnxt_refclk_read(ptp->bp, sts, &cycles);
- if (rc) {
- spin_unlock_bh(&ptp->ptp_lock);
+ rc = bnxt_refclk_read_low(ptp->bp, sts, &low);
+ if (rc)
return rc;
- }
- ns = timecounter_cyc2time(&ptp->tc, cycles);
- spin_unlock_bh(&ptp->ptp_lock);
+
+ cycles = bnxt_extend_cycles_32b_to_48b(ptp, low);
+ ns = bnxt_timecounter_cyc2time(ptp, cycles);
*ts = ns_to_timespec64(ns);
return 0;
}
-/* Caller holds ptp_lock */
void bnxt_ptp_update_current_time(struct bnxt *bp)
{
struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
bnxt_refclk_read(ptp->bp, NULL, &ptp->current_time);
- WRITE_ONCE(ptp->old_time, ptp->current_time);
+ WRITE_ONCE(ptp->old_time, ptp->current_time >> BNXT_HI_TIMER_SHIFT);
}
static int bnxt_ptp_adjphc(struct bnxt_ptp_cfg *ptp, s64 delta)
@@ -183,9 +223,7 @@ static int bnxt_ptp_adjphc(struct bnxt_ptp_cfg *ptp, s64 delta)
if (rc) {
netdev_err(ptp->bp->dev, "ptp adjphc failed. rc = %x\n", rc);
} else {
- spin_lock_bh(&ptp->ptp_lock);
bnxt_ptp_update_current_time(ptp->bp);
- spin_unlock_bh(&ptp->ptp_lock);
}
return rc;
@@ -195,13 +233,14 @@ static int bnxt_ptp_adjtime(struct ptp_clock_info *ptp_info, s64 delta)
{
struct bnxt_ptp_cfg *ptp = container_of(ptp_info, struct bnxt_ptp_cfg,
ptp_info);
+ unsigned long flags;
if (BNXT_PTP_USE_RTC(ptp->bp))
return bnxt_ptp_adjphc(ptp, delta);
- spin_lock_bh(&ptp->ptp_lock);
+ write_seqlock_irqsave(&ptp->ptp_lock, flags);
timecounter_adjtime(&ptp->tc, delta);
- spin_unlock_bh(&ptp->ptp_lock);
+ write_sequnlock_irqrestore(&ptp->ptp_lock, flags);
return 0;
}
@@ -229,14 +268,15 @@ static int bnxt_ptp_adjfine(struct ptp_clock_info *ptp_info, long scaled_ppm)
struct bnxt_ptp_cfg *ptp = container_of(ptp_info, struct bnxt_ptp_cfg,
ptp_info);
struct bnxt *bp = ptp->bp;
+ unsigned long flags;
if (!BNXT_MH(bp))
return bnxt_ptp_adjfine_rtc(bp, scaled_ppm);
- spin_lock_bh(&ptp->ptp_lock);
+ write_seqlock_irqsave(&ptp->ptp_lock, flags);
timecounter_read(&ptp->tc);
ptp->cc.mult = adjust_by_scaled_ppm(ptp->cmult, scaled_ppm);
- spin_unlock_bh(&ptp->ptp_lock);
+ write_sequnlock_irqrestore(&ptp->ptp_lock, flags);
return 0;
}
@@ -247,9 +287,7 @@ void bnxt_ptp_pps_event(struct bnxt *bp, u32 data1, u32 data2)
u64 ns, pps_ts;
pps_ts = EVENT_PPS_TS(data2, data1);
- spin_lock_bh(&ptp->ptp_lock);
- ns = timecounter_cyc2time(&ptp->tc, pps_ts);
- spin_unlock_bh(&ptp->ptp_lock);
+ ns = bnxt_timecounter_cyc2time(ptp, pps_ts);
switch (EVENT_DATA2_PPS_EVENT_TYPE(data2)) {
case ASYNC_EVENT_CMPL_PPS_TIMESTAMP_EVENT_DATA2_EVENT_TYPE_INTERNAL:
@@ -388,14 +426,11 @@ static int bnxt_get_target_cycles(struct bnxt_ptp_cfg *ptp, u64 target_ns,
u64 nsec_now, nsec_delta;
int rc;
- spin_lock_bh(&ptp->ptp_lock);
rc = bnxt_refclk_read(ptp->bp, NULL, &cycles_now);
- if (rc) {
- spin_unlock_bh(&ptp->ptp_lock);
+ if (rc)
return rc;
- }
- nsec_now = timecounter_cyc2time(&ptp->tc, cycles_now);
- spin_unlock_bh(&ptp->ptp_lock);
+
+ nsec_now = bnxt_timecounter_cyc2time(ptp, cycles_now);
nsec_delta = target_ns - nsec_now;
*cycles_delta = div64_u64(nsec_delta << ptp->cc.shift, ptp->cc.mult);
@@ -650,6 +685,14 @@ static int bnxt_map_ptp_regs(struct bnxt *bp)
(ptp->refclk_regs[i] & BNXT_GRC_OFFSET_MASK);
return 0;
}
+ if (bp->flags & BNXT_FLAG_CHIP_P7) {
+ for (i = 0; i < 2; i++) {
+ if (reg_arr[i] & BNXT_GRC_BASE_MASK)
+ return -EINVAL;
+ ptp->refclk_mapped_regs[i] = reg_arr[i];
+ }
+ return 0;
+ }
return -ENODEV;
}
@@ -664,33 +707,46 @@ static u64 bnxt_cc_read(const struct cyclecounter *cc)
struct bnxt_ptp_cfg *ptp = container_of(cc, struct bnxt_ptp_cfg, cc);
u64 ns = 0;
- bnxt_refclk_read(ptp->bp, NULL, &ns);
+ __bnxt_refclk_read(ptp->bp, NULL, &ns);
return ns;
}
-static void bnxt_stamp_tx_skb(struct bnxt *bp, struct sk_buff *skb)
+static int bnxt_stamp_tx_skb(struct bnxt *bp, int slot)
{
struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
struct skb_shared_hwtstamps timestamp;
+ struct bnxt_ptp_tx_req *txts_req;
+ unsigned long now = jiffies;
u64 ts = 0, ns = 0;
+ u32 tmo = 0;
int rc;
- rc = bnxt_hwrm_port_ts_query(bp, PORT_TS_QUERY_REQ_FLAGS_PATH_TX, &ts);
+ txts_req = &ptp->txts_req[slot];
+ /* make sure bnxt_get_tx_ts_p5() has updated abs_txts_tmo */
+ smp_rmb();
+ if (!time_after_eq(now, txts_req->abs_txts_tmo))
+ tmo = jiffies_to_msecs(txts_req->abs_txts_tmo - now);
+ rc = bnxt_hwrm_port_ts_query(bp, PORT_TS_QUERY_REQ_FLAGS_PATH_TX, &ts,
+ tmo, slot);
if (!rc) {
memset(&timestamp, 0, sizeof(timestamp));
- spin_lock_bh(&ptp->ptp_lock);
- ns = timecounter_cyc2time(&ptp->tc, ts);
- spin_unlock_bh(&ptp->ptp_lock);
+ ns = bnxt_timecounter_cyc2time(ptp, ts);
timestamp.hwtstamp = ns_to_ktime(ns);
- skb_tstamp_tx(ptp->tx_skb, &timestamp);
+ skb_tstamp_tx(txts_req->tx_skb, &timestamp);
+ ptp->stats.ts_pkts++;
} else {
+ if (!time_after_eq(jiffies, txts_req->abs_txts_tmo))
+ return -EAGAIN;
+
+ ptp->stats.ts_lost++;
netdev_warn_once(bp->dev,
"TS query for TX timer failed rc = %x\n", rc);
}
- dev_kfree_skb_any(ptp->tx_skb);
- ptp->tx_skb = NULL;
- atomic_inc(&ptp->tx_avail);
+ dev_kfree_skb_any(txts_req->tx_skb);
+ txts_req->tx_skb = NULL;
+
+ return 0;
}
static long bnxt_ptp_ts_aux_work(struct ptp_clock_info *ptp_info)
@@ -699,53 +755,115 @@ static long bnxt_ptp_ts_aux_work(struct ptp_clock_info *ptp_info)
ptp_info);
unsigned long now = jiffies;
struct bnxt *bp = ptp->bp;
+ u16 cons = ptp->txts_cons;
+ unsigned long flags;
+ u32 num_requests;
+ int rc = 0;
+
+ num_requests = BNXT_MAX_TX_TS - READ_ONCE(ptp->tx_avail);
+ while (num_requests--) {
+ if (IS_ERR(ptp->txts_req[cons].tx_skb))
+ goto next_slot;
+ if (!ptp->txts_req[cons].tx_skb)
+ break;
+ rc = bnxt_stamp_tx_skb(bp, cons);
+ if (rc == -EAGAIN)
+ break;
+next_slot:
+ BNXT_PTP_INC_TX_AVAIL(ptp);
+ cons = NEXT_TXTS(cons);
+ }
+ ptp->txts_cons = cons;
- if (ptp->tx_skb)
- bnxt_stamp_tx_skb(bp, ptp->tx_skb);
-
- if (!time_after_eq(now, ptp->next_period))
+ if (!time_after_eq(now, ptp->next_period)) {
+ if (rc == -EAGAIN)
+ return 0;
return ptp->next_period - now;
+ }
bnxt_ptp_get_current_time(bp);
ptp->next_period = now + HZ;
if (time_after_eq(now, ptp->next_overflow_check)) {
- spin_lock_bh(&ptp->ptp_lock);
+ write_seqlock_irqsave(&ptp->ptp_lock, flags);
timecounter_read(&ptp->tc);
- spin_unlock_bh(&ptp->ptp_lock);
+ write_sequnlock_irqrestore(&ptp->ptp_lock, flags);
ptp->next_overflow_check = now + BNXT_PHC_OVERFLOW_PERIOD;
}
+ if (rc == -EAGAIN)
+ return 0;
return HZ;
}
-int bnxt_get_tx_ts_p5(struct bnxt *bp, struct sk_buff *skb)
+int bnxt_ptp_get_txts_prod(struct bnxt_ptp_cfg *ptp, u16 *prod)
+{
+ spin_lock_bh(&ptp->ptp_tx_lock);
+ if (ptp->tx_avail) {
+ *prod = ptp->txts_prod;
+ ptp->txts_prod = NEXT_TXTS(*prod);
+ ptp->tx_avail--;
+ spin_unlock_bh(&ptp->ptp_tx_lock);
+ return 0;
+ }
+ spin_unlock_bh(&ptp->ptp_tx_lock);
+ atomic64_inc(&ptp->stats.ts_err);
+ return -ENOSPC;
+}
+
+void bnxt_get_tx_ts_p5(struct bnxt *bp, struct sk_buff *skb, u16 prod)
{
struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
+ struct bnxt_ptp_tx_req *txts_req;
- if (ptp->tx_skb) {
- netdev_err(bp->dev, "deferring skb:one SKB is still outstanding\n");
- return -EBUSY;
- }
- ptp->tx_skb = skb;
+ txts_req = &ptp->txts_req[prod];
+ txts_req->abs_txts_tmo = jiffies + msecs_to_jiffies(ptp->txts_tmo);
+ /* make sure abs_txts_tmo is written first */
+ smp_wmb();
+ txts_req->tx_skb = skb;
ptp_schedule_worker(ptp->ptp_clock, 0);
- return 0;
}
int bnxt_get_rx_ts_p5(struct bnxt *bp, u64 *ts, u32 pkt_ts)
{
struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
- u64 time;
if (!ptp)
return -ENODEV;
- BNXT_READ_TIME64(ptp, time, ptp->old_time);
- *ts = (time & BNXT_HI_TIMER_MASK) | pkt_ts;
- if (pkt_ts < (time & BNXT_LO_TIMER_MASK))
- *ts += BNXT_LO_TIMER_MASK + 1;
+ *ts = bnxt_extend_cycles_32b_to_48b(ptp, pkt_ts);
return 0;
}
+void bnxt_tx_ts_cmp(struct bnxt *bp, struct bnxt_napi *bnapi,
+ struct tx_ts_cmp *tscmp)
+{
+ struct skb_shared_hwtstamps timestamp = {};
+ struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
+ u32 opaque = tscmp->tx_ts_cmp_opaque;
+ struct bnxt_tx_ring_info *txr;
+ struct bnxt_sw_tx_bd *tx_buf;
+ u64 ts, ns;
+ u16 cons;
+
+ txr = bnapi->tx_ring[TX_OPAQUE_RING(opaque)];
+ ts = BNXT_GET_TX_TS_48B_NS(tscmp);
+ cons = TX_OPAQUE_IDX(opaque);
+ tx_buf = &txr->tx_buf_ring[RING_TX(bp, cons)];
+ if (tx_buf->is_ts_pkt) {
+ if (BNXT_TX_TS_ERR(tscmp)) {
+ netdev_err(bp->dev,
+ "timestamp completion error 0x%x 0x%x\n",
+ le32_to_cpu(tscmp->tx_ts_cmp_flags_type),
+ le32_to_cpu(tscmp->tx_ts_cmp_errors_v));
+ } else {
+ ns = bnxt_timecounter_cyc2time(ptp, ts);
+ timestamp.hwtstamp = ns_to_ktime(ns);
+ skb_tstamp_tx(tx_buf->skb, &timestamp);
+ }
+ tx_buf->is_ts_pkt = 0;
+ }
+}
+
static const struct ptp_clock_info bnxt_ptp_caps = {
.owner = THIS_MODULE,
.name = "bnxt clock",
@@ -847,6 +965,7 @@ static bool bnxt_pps_config_ok(struct bnxt *bp)
static void bnxt_ptp_timecounter_init(struct bnxt *bp, bool init_tc)
{
struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
+ unsigned long flags;
if (!ptp->ptp_clock) {
memset(&ptp->cc, 0, sizeof(ptp->cc));
@@ -863,8 +982,11 @@ static void bnxt_ptp_timecounter_init(struct bnxt *bp, bool init_tc)
}
ptp->next_overflow_check = jiffies + BNXT_PHC_OVERFLOW_PERIOD;
}
- if (init_tc)
+ if (init_tc) {
+ write_seqlock_irqsave(&ptp->ptp_lock, flags);
timecounter_init(&ptp->tc, &ptp->cc, ktime_to_ns(ktime_get_real()));
+ write_sequnlock_irqrestore(&ptp->ptp_lock, flags);
+ }
}
/* Caller holds ptp_lock */
@@ -878,6 +1000,7 @@ void bnxt_ptp_rtc_timecounter_init(struct bnxt_ptp_cfg *ptp, u64 ns)
int bnxt_ptp_init_rtc(struct bnxt *bp, bool phc_cfg)
{
struct timespec64 tsp;
+ unsigned long flags;
u64 ns;
int rc;
@@ -891,13 +1014,14 @@ int bnxt_ptp_init_rtc(struct bnxt *bp, bool phc_cfg)
if (rc)
return rc;
} else {
- rc = bnxt_hwrm_port_ts_query(bp, PORT_TS_QUERY_REQ_FLAGS_CURRENT_TIME, &ns);
+ rc = bnxt_hwrm_port_ts_query(bp, PORT_TS_QUERY_REQ_FLAGS_CURRENT_TIME,
+ &ns, 0, 0);
if (rc)
return rc;
}
- spin_lock_bh(&bp->ptp_cfg->ptp_lock);
+ write_seqlock_irqsave(&bp->ptp_cfg->ptp_lock, flags);
bnxt_ptp_rtc_timecounter_init(bp->ptp_cfg, ns);
- spin_unlock_bh(&bp->ptp_cfg->ptp_lock);
+ write_sequnlock_irqrestore(&bp->ptp_cfg->ptp_lock, flags);
return 0;
}
@@ -914,7 +1038,7 @@ static void bnxt_ptp_free(struct bnxt *bp)
}
}
-int bnxt_ptp_init(struct bnxt *bp, bool phc_cfg)
+int bnxt_ptp_init(struct bnxt *bp)
{
struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
int rc;
@@ -931,12 +1055,13 @@ int bnxt_ptp_init(struct bnxt *bp, bool phc_cfg)
bnxt_ptp_free(bp);
- atomic_set(&ptp->tx_avail, BNXT_MAX_TX_TS);
- spin_lock_init(&ptp->ptp_lock);
+ WRITE_ONCE(ptp->tx_avail, BNXT_MAX_TX_TS);
+ seqlock_init(&ptp->ptp_lock);
+ spin_lock_init(&ptp->ptp_tx_lock);
if (BNXT_PTP_USE_RTC(bp)) {
bnxt_ptp_timecounter_init(bp, false);
- rc = bnxt_ptp_init_rtc(bp, phc_cfg);
+ rc = bnxt_ptp_init_rtc(bp, ptp->rtc_configured);
if (rc)
goto out;
} else {
@@ -958,13 +1083,17 @@ int bnxt_ptp_init(struct bnxt *bp, bool phc_cfg)
rc = err;
goto out;
}
- if (BNXT_CHIP_P5(bp)) {
- spin_lock_bh(&ptp->ptp_lock);
+
+ ptp->stats.ts_pkts = 0;
+ ptp->stats.ts_lost = 0;
+ atomic64_set(&ptp->stats.ts_err, 0);
+
+ if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS) {
bnxt_refclk_read(bp, NULL, &ptp->current_time);
- WRITE_ONCE(ptp->old_time, ptp->current_time);
- spin_unlock_bh(&ptp->ptp_lock);
+ WRITE_ONCE(ptp->old_time, ptp->current_time >> BNXT_HI_TIMER_SHIFT);
ptp_schedule_worker(ptp->ptp_clock, 0);
}
+ ptp->txts_tmo = BNXT_PTP_DFLT_TX_TMO;
return 0;
out:
@@ -976,6 +1105,7 @@ out:
void bnxt_ptp_clear(struct bnxt *bp)
{
struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
+ int i;
if (!ptp)
return;
@@ -987,9 +1117,12 @@ void bnxt_ptp_clear(struct bnxt *bp)
kfree(ptp->ptp_info.pin_config);
ptp->ptp_info.pin_config = NULL;
- if (ptp->tx_skb) {
- dev_kfree_skb_any(ptp->tx_skb);
- ptp->tx_skb = NULL;
+ for (i = 0; i < BNXT_MAX_TX_TS; i++) {
+ if (ptp->txts_req[i].tx_skb) {
+ dev_kfree_skb_any(ptp->txts_req[i].tx_skb);
+ ptp->txts_req[i].tx_skb = NULL;
+ }
}
+
bnxt_unmap_ptp_regs(bp);
}