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path: root/drivers/net/ethernet/broadcom/bnxt/bnxt.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 23eddde7bf12..5132f07a5f43 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -1709,9 +1709,9 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
u8 *data_ptr, agg_bufs, cmp_type;
dma_addr_t dma_addr;
struct sk_buff *skb;
+ u32 flags, misc;
void *data;
int rc = 0;
- u32 misc;
rxcmp = (struct rx_cmp *)
&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
@@ -1809,7 +1809,8 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
goto next_rx_no_len;
}
- len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
+ flags = le32_to_cpu(rxcmp->rx_cmp_len_flags_type);
+ len = flags >> RX_CMP_LEN_SHIFT;
dma_addr = rx_buf->mapping;
if (bnxt_rx_xdp(bp, rxr, cons, data, &data_ptr, &len, event)) {
@@ -1886,6 +1887,24 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
}
}
+ if (unlikely((flags & RX_CMP_FLAGS_ITYPES_MASK) ==
+ RX_CMP_FLAGS_ITYPE_PTP_W_TS)) {
+ if (bp->flags & BNXT_FLAG_CHIP_P5) {
+ u32 cmpl_ts = le32_to_cpu(rxcmp1->rx_cmp_timestamp);
+ u64 ns, ts;
+
+ if (!bnxt_get_rx_ts_p5(bp, &ts, cmpl_ts)) {
+ struct bnxt_ptp_cfg *ptp = bp->ptp_cfg;
+
+ spin_lock_bh(&ptp->ptp_lock);
+ ns = timecounter_cyc2time(&ptp->tc, ts);
+ spin_unlock_bh(&ptp->ptp_lock);
+ memset(skb_hwtstamps(skb), 0,
+ sizeof(*skb_hwtstamps(skb)));
+ skb_hwtstamps(skb)->hwtstamp = ns_to_ktime(ns);
+ }
+ }
+ }
bnxt_deliver_skb(bp, bnapi, skb);
rc = 1;