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path: root/drivers/net/ethernet/sfc/siena.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/siena.c')
-rw-r--r--drivers/net/ethernet/sfc/siena.c119
1 files changed, 87 insertions, 32 deletions
diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c
index d034bcd124ef..23f3a6f7737a 100644
--- a/drivers/net/ethernet/sfc/siena.c
+++ b/drivers/net/ethernet/sfc/siena.c
@@ -118,6 +118,54 @@ out:
/**************************************************************************
*
+ * PTP
+ *
+ **************************************************************************
+ */
+
+static void siena_ptp_write_host_time(struct efx_nic *efx, u32 host_time)
+{
+ _efx_writed(efx, cpu_to_le32(host_time),
+ FR_CZ_MC_TREG_SMEM + MC_SMEM_P0_PTP_TIME_OFST);
+}
+
+static int siena_ptp_set_ts_config(struct efx_nic *efx,
+ struct hwtstamp_config *init)
+{
+ int rc;
+
+ switch (init->rx_filter) {
+ case HWTSTAMP_FILTER_NONE:
+ /* if TX timestamping is still requested then leave PTP on */
+ return efx_ptp_change_mode(efx,
+ init->tx_type != HWTSTAMP_TX_OFF,
+ efx_ptp_get_mode(efx));
+ case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
+ case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
+ case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
+ init->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
+ return efx_ptp_change_mode(efx, true, MC_CMD_PTP_MODE_V1);
+ case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
+ case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
+ init->rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
+ rc = efx_ptp_change_mode(efx, true,
+ MC_CMD_PTP_MODE_V2_ENHANCED);
+ /* bug 33070 - old versions of the firmware do not support the
+ * improved UUID filtering option. Similarly old versions of the
+ * application do not expect it to be enabled. If the firmware
+ * does not accept the enhanced mode, fall back to the standard
+ * PTP v2 UUID filtering. */
+ if (rc != 0)
+ rc = efx_ptp_change_mode(efx, true, MC_CMD_PTP_MODE_V2);
+ return rc;
+ default:
+ return -ERANGE;
+ }
+}
+
+/**************************************************************************
+ *
* Device reset
*
**************************************************************************
@@ -259,7 +307,7 @@ static int siena_probe_nic(struct efx_nic *efx)
goto fail5;
efx_sriov_probe(efx);
- efx_ptp_probe(efx);
+ efx_ptp_defer_probe_with_channel(efx);
return 0;
@@ -273,6 +321,31 @@ fail1:
return rc;
}
+static void siena_rx_push_rss_config(struct efx_nic *efx)
+{
+ efx_oword_t temp;
+
+ /* Set hash key for IPv4 */
+ memcpy(&temp, efx->rx_hash_key, sizeof(temp));
+ efx_writeo(efx, &temp, FR_BZ_RX_RSS_TKEY);
+
+ /* Enable IPv6 RSS */
+ BUILD_BUG_ON(sizeof(efx->rx_hash_key) <
+ 2 * sizeof(temp) + FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8 ||
+ FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN != 0);
+ memcpy(&temp, efx->rx_hash_key, sizeof(temp));
+ efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG1);
+ memcpy(&temp, efx->rx_hash_key + sizeof(temp), sizeof(temp));
+ efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG2);
+ EFX_POPULATE_OWORD_2(temp, FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1,
+ FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE, 1);
+ memcpy(&temp, efx->rx_hash_key + 2 * sizeof(temp),
+ FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8);
+ efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG3);
+
+ efx_farch_rx_push_indir_table(efx);
+}
+
/* This call performs hardware-specific global initialisation, such as
* defining the descriptor cache sizes and number of RSS channels.
* It does not set up any buffers, descriptor rings or event queues.
@@ -313,23 +386,7 @@ static int siena_init_nic(struct efx_nic *efx)
EFX_RX_USR_BUF_SIZE >> 5);
efx_writeo(efx, &temp, FR_AZ_RX_CFG);
- /* Set hash key for IPv4 */
- memcpy(&temp, efx->rx_hash_key, sizeof(temp));
- efx_writeo(efx, &temp, FR_BZ_RX_RSS_TKEY);
-
- /* Enable IPv6 RSS */
- BUILD_BUG_ON(sizeof(efx->rx_hash_key) <
- 2 * sizeof(temp) + FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8 ||
- FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN != 0);
- memcpy(&temp, efx->rx_hash_key, sizeof(temp));
- efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG1);
- memcpy(&temp, efx->rx_hash_key + sizeof(temp), sizeof(temp));
- efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG2);
- EFX_POPULATE_OWORD_2(temp, FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1,
- FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE, 1);
- memcpy(&temp, efx->rx_hash_key + 2 * sizeof(temp),
- FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8);
- efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG3);
+ siena_rx_push_rss_config(efx);
/* Enable event logging */
rc = efx_mcdi_log_ctrl(efx, true, false, 0);
@@ -458,6 +515,8 @@ static int siena_try_update_nic_stats(struct efx_nic *efx)
return -EAGAIN;
/* Update derived statistics */
+ efx_nic_fix_nodesc_drop_stat(efx,
+ &stats[SIENA_STAT_rx_nodesc_drop_cnt]);
efx_update_diff_stat(&stats[SIENA_STAT_tx_good_bytes],
stats[SIENA_STAT_tx_bytes] -
stats[SIENA_STAT_tx_bad_bytes]);
@@ -837,19 +896,6 @@ fail:
/**************************************************************************
*
- * PTP
- *
- **************************************************************************
- */
-
-static void siena_ptp_write_host_time(struct efx_nic *efx, u32 host_time)
-{
- _efx_writed(efx, cpu_to_le32(host_time),
- FR_CZ_MC_TREG_SMEM + MC_SMEM_P0_PTP_TIME_OFST);
-}
-
-/**************************************************************************
- *
* Revision-dependent attributes used by efx.c and nic.c
*
**************************************************************************
@@ -878,6 +924,7 @@ const struct efx_nic_type siena_a0_nic_type = {
.describe_stats = siena_describe_nic_stats,
.update_stats = siena_update_nic_stats,
.start_stats = efx_mcdi_mac_start_stats,
+ .pull_stats = efx_mcdi_mac_pull_stats,
.stop_stats = efx_mcdi_mac_stop_stats,
.set_id_led = efx_mcdi_set_id_led,
.push_irq_moderation = siena_push_irq_moderation,
@@ -902,7 +949,7 @@ const struct efx_nic_type siena_a0_nic_type = {
.tx_init = efx_farch_tx_init,
.tx_remove = efx_farch_tx_remove,
.tx_write = efx_farch_tx_write,
- .rx_push_indir_table = efx_farch_rx_push_indir_table,
+ .rx_push_rss_config = siena_rx_push_rss_config,
.rx_probe = efx_farch_rx_probe,
.rx_init = efx_farch_rx_init,
.rx_remove = efx_farch_rx_remove,
@@ -939,6 +986,7 @@ const struct efx_nic_type siena_a0_nic_type = {
.mtd_sync = efx_mcdi_mtd_sync,
#endif
.ptp_write_host_time = siena_ptp_write_host_time,
+ .ptp_set_ts_config = siena_ptp_set_ts_config,
.revision = EFX_REV_SIENA_A0,
.txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL,
@@ -957,4 +1005,11 @@ const struct efx_nic_type siena_a0_nic_type = {
NETIF_F_RXHASH | NETIF_F_NTUPLE),
.mcdi_max_ver = 1,
.max_rx_ip_filters = FR_BZ_RX_FILTER_TBL0_ROWS,
+ .hwtstamp_filters = (1 << HWTSTAMP_FILTER_NONE |
+ 1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT |
+ 1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC |
+ 1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ |
+ 1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT |
+ 1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC |
+ 1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ),
};