bnxt_en: Add new TX timestamp completion definitions

The new BCM5760X chips will generate this new TX timestamp completion
when a TX packet's timestamp has been taken right before transmission.
The driver logic to retrieve the timestamp will be added in the next
few patches.

Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 9cf0acfa04e574eed3f943333ecb78754498268e..d3ad73d4c00a856f358204eaf7a0b1a3cb94bc21 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -181,6 +181,32 @@ struct tx_cmp {
 #define TX_CMP_SQ_CONS_IDX(txcmp)                                      \
        (le32_to_cpu((txcmp)->sq_cons_idx) & TX_CMP_SQ_CONS_IDX_MASK)
 
+struct tx_ts_cmp {
+       __le32 tx_ts_cmp_flags_type;
+       #define TX_TS_CMP_FLAGS_ERROR                           (1 << 6)
+       #define TX_TS_CMP_FLAGS_TS_TYPE                         (1 << 7)
+        #define TX_TS_CMP_FLAGS_TS_TYPE_PM                      (0 << 7)
+        #define TX_TS_CMP_FLAGS_TS_TYPE_PA                      (1 << 7)
+       #define TX_TS_CMP_FLAGS_TS_FALLBACK                     (1 << 8)
+       #define TX_TS_CMP_TS_SUB_NS                             (0xf << 12)
+       #define TX_TS_CMP_TS_NS_MID                             (0xffff << 16)
+       #define TX_TS_CMP_TS_NS_MID_SFT                         16
+       u32 tx_ts_cmp_opaque;
+       __le32 tx_ts_cmp_errors_v;
+       #define TX_TS_CMP_V                                     (1 << 0)
+       #define TX_TS_CMP_TS_INVALID_ERR                        (1 << 10)
+       __le32 tx_ts_cmp_ts_ns_lo;
+};
+
+#define BNXT_GET_TX_TS_48B_NS(tscmp)                                   \
+       (le32_to_cpu((tscmp)->tx_ts_cmp_ts_ns_lo) |                     \
+        ((u64)(le32_to_cpu((tscmp)->tx_ts_cmp_flags_type) &            \
+         TX_TS_CMP_TS_NS_MID) << TX_TS_CMP_TS_NS_MID_SFT))
+
+#define BNXT_TX_TS_ERR(tscmp)                                          \
+       (((tscmp)->tx_ts_cmp_flags_type & cpu_to_le32(TX_TS_CMP_FLAGS_ERROR)) &&\
+        ((tscmp)->tx_ts_cmp_errors_v & cpu_to_le32(TX_TS_CMP_TS_INVALID_ERR)))
+
 struct rx_cmp {
        __le32 rx_cmp_len_flags_type;
        #define RX_CMP_CMP_TYPE                                 (0x3f << 0)