diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/ptp.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/ptp.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index f79f6fb..ec2cf4d 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -294,8 +294,7 @@ struct efx_ptp_data { struct work_struct pps_work; struct workqueue_struct *pps_workwq; bool nic_ts_enabled; - u8 txbuf[ALIGN(MC_CMD_PTP_IN_TRANSMIT_LEN( - MC_CMD_PTP_IN_TRANSMIT_PACKET_MAXNUM), 4)]; + MCDI_DECLARE_BUF(txbuf, MC_CMD_PTP_IN_TRANSMIT_LENMAX); struct efx_ptp_timeset timeset[MC_CMD_PTP_OUT_SYNCHRONIZE_TIMESET_MAXNUM]; }; @@ -396,7 +395,8 @@ static void efx_ptp_send_times(struct efx_nic *efx, } /* Read a timeset from the MC's results and partial process. */ -static void efx_ptp_read_timeset(u8 *data, struct efx_ptp_timeset *timeset) +static void efx_ptp_read_timeset(MCDI_DECLARE_STRUCT_PTR(data), + struct efx_ptp_timeset *timeset) { unsigned start_ns, end_ns; @@ -425,12 +425,14 @@ static void efx_ptp_read_timeset(u8 *data, struct efx_ptp_timeset *timeset) * busy. A number of readings are taken so that, hopefully, at least one good * synchronisation will be seen in the results. */ -static int efx_ptp_process_times(struct efx_nic *efx, u8 *synch_buf, - size_t response_length, - const struct pps_event_time *last_time) +static int +efx_ptp_process_times(struct efx_nic *efx, MCDI_DECLARE_STRUCT_PTR(synch_buf), + size_t response_length, + const struct pps_event_time *last_time) { - unsigned number_readings = (response_length / - MC_CMD_PTP_OUT_SYNCHRONIZE_TIMESET_LEN); + unsigned number_readings = + MCDI_VAR_ARRAY_LEN(response_length, + PTP_OUT_SYNCHRONIZE_TIMESET); unsigned i; unsigned total; unsigned ngood = 0; @@ -447,8 +449,10 @@ static int efx_ptp_process_times(struct efx_nic *efx, u8 *synch_buf, * appera to be erroneous. */ for (i = 0; i < number_readings; i++) { - efx_ptp_read_timeset(synch_buf, &ptp->timeset[i]); - synch_buf += MC_CMD_PTP_OUT_SYNCHRONIZE_TIMESET_LEN; + efx_ptp_read_timeset( + MCDI_ARRAY_STRUCT_PTR(synch_buf, + PTP_OUT_SYNCHRONIZE_TIMESET, i), + &ptp->timeset[i]); } /* Find the last good host-MC synchronization result. The MC times @@ -564,15 +568,15 @@ static int efx_ptp_synchronize(struct efx_nic *efx, unsigned int num_readings) /* Transmit a PTP packet, via the MCDI interface, to the wire. */ static int efx_ptp_xmit_skb(struct efx_nic *efx, struct sk_buff *skb) { - u8 *txbuf = efx->ptp_data->txbuf; + struct efx_ptp_data *ptp_data = efx->ptp_data; struct skb_shared_hwtstamps timestamps; int rc = -EIO; /* MCDI driver requires word aligned lengths */ size_t len = ALIGN(MC_CMD_PTP_IN_TRANSMIT_LEN(skb->len), 4); MCDI_DECLARE_BUF(txtime, MC_CMD_PTP_OUT_TRANSMIT_LEN); - MCDI_SET_DWORD(txbuf, PTP_IN_OP, MC_CMD_PTP_OP_TRANSMIT); - MCDI_SET_DWORD(txbuf, PTP_IN_TRANSMIT_LENGTH, skb->len); + MCDI_SET_DWORD(ptp_data->txbuf, PTP_IN_OP, MC_CMD_PTP_OP_TRANSMIT); + MCDI_SET_DWORD(ptp_data->txbuf, PTP_IN_TRANSMIT_LENGTH, skb->len); if (skb_shinfo(skb)->nr_frags != 0) { rc = skb_linearize(skb); if (rc != 0) @@ -585,9 +589,10 @@ static int efx_ptp_xmit_skb(struct efx_nic *efx, struct sk_buff *skb) goto fail; } skb_copy_from_linear_data(skb, - &txbuf[MC_CMD_PTP_IN_TRANSMIT_PACKET_OFST], + MCDI_PTR(ptp_data->txbuf, + PTP_IN_TRANSMIT_PACKET), len); - rc = efx_mcdi_rpc(efx, MC_CMD_PTP, txbuf, len, txtime, + rc = efx_mcdi_rpc(efx, MC_CMD_PTP, ptp_data->txbuf, len, txtime, sizeof(txtime), &len); if (rc != 0) goto fail; |
