diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igc')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc.h | 23 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_base.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_defines.h | 11 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_ethtool.c | 31 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_main.c | 78 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_ptp.c | 174 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_regs.h | 12 |
7 files changed, 249 insertions, 83 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 38901d2a4680..f48f82d5e274 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -15,6 +15,7 @@ #include <linux/net_tstamp.h> #include <linux/bitfield.h> #include <linux/hrtimer.h> +#include <net/xdp.h> #include "igc_hw.h" @@ -37,6 +38,8 @@ void igc_ethtool_set_ops(struct net_device *); #define MAX_FLEX_FILTER 32 +#define IGC_MAX_TX_TSTAMP_REGS 4 + enum igc_mac_filter_type { IGC_MAC_FILTER_TYPE_DST = 0, IGC_MAC_FILTER_TYPE_SRC @@ -69,6 +72,15 @@ struct igc_rx_packet_stats { u64 other_packets; }; +struct igc_tx_timestamp_request { + struct sk_buff *skb; /* reference to the packet being timestamped */ + unsigned long start; /* when the tstamp request started (jiffies) */ + u32 mask; /* _TSYNCTXCTL_TXTT_{X} bit for this request */ + u32 regl; /* which TXSTMPL_{X} register should be used */ + u32 regh; /* which TXSTMPH_{X} register should be used */ + u32 flags; /* flags that should be added to the tx_buffer */ +}; + struct igc_ring_container { struct igc_ring *ring; /* pointer to linked list of rings */ unsigned int total_bytes; /* total bytes processed this int */ @@ -244,9 +256,8 @@ struct igc_adapter { * ptp_tx_lock. */ spinlock_t ptp_tx_lock; - struct sk_buff *ptp_tx_skb; + struct igc_tx_timestamp_request tx_tstamp[IGC_MAX_TX_TSTAMP_REGS]; struct hwtstamp_config tstamp_config; - unsigned long ptp_tx_start; unsigned int ptp_flags; /* System time value lock */ spinlock_t tmreg_lock; @@ -368,11 +379,11 @@ static inline u32 igc_rss_type(const union igc_adv_rx_desc *rx_desc) /* TX/RX descriptor defines */ #define IGC_DEFAULT_TXD 256 #define IGC_DEFAULT_TX_WORK 128 -#define IGC_MIN_TXD 80 +#define IGC_MIN_TXD 64 #define IGC_MAX_TXD 4096 #define IGC_DEFAULT_RXD 256 -#define IGC_MIN_RXD 80 +#define IGC_MIN_RXD 64 #define IGC_MAX_RXD 4096 /* Supported Rx Buffer Sizes */ @@ -454,6 +465,10 @@ enum igc_tx_flags { /* olinfo flags */ IGC_TX_FLAGS_IPV4 = 0x10, IGC_TX_FLAGS_CSUM = 0x20, + + IGC_TX_FLAGS_TSTAMP_1 = 0x100, + IGC_TX_FLAGS_TSTAMP_2 = 0x200, + IGC_TX_FLAGS_TSTAMP_3 = 0x400, }; enum igc_boards { diff --git a/drivers/net/ethernet/intel/igc/igc_base.h b/drivers/net/ethernet/intel/igc/igc_base.h index 9f3827eda157..f7d6491d4c60 100644 --- a/drivers/net/ethernet/intel/igc/igc_base.h +++ b/drivers/net/ethernet/intel/igc/igc_base.h @@ -34,6 +34,9 @@ struct igc_adv_tx_context_desc { /* Adv Transmit Descriptor Config Masks */ #define IGC_ADVTXD_MAC_TSTAMP 0x00080000 /* IEEE1588 Timestamp packet */ +#define IGC_ADVTXD_TSTAMP_REG_1 0x00010000 /* Select register 1 for timestamp */ +#define IGC_ADVTXD_TSTAMP_REG_2 0x00020000 /* Select register 2 for timestamp */ +#define IGC_ADVTXD_TSTAMP_REG_3 0x00030000 /* Select register 3 for timestamp */ #define IGC_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */ #define IGC_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */ #define IGC_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */ diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h index 44a507029946..b3037016f31d 100644 --- a/drivers/net/ethernet/intel/igc/igc_defines.h +++ b/drivers/net/ethernet/intel/igc/igc_defines.h @@ -454,6 +454,9 @@ /* Time Sync Transmit Control bit definitions */ #define IGC_TSYNCTXCTL_TXTT_0 0x00000001 /* Tx timestamp reg 0 valid */ +#define IGC_TSYNCTXCTL_TXTT_1 0x00000002 /* Tx timestamp reg 1 valid */ +#define IGC_TSYNCTXCTL_TXTT_2 0x00000004 /* Tx timestamp reg 2 valid */ +#define IGC_TSYNCTXCTL_TXTT_3 0x00000008 /* Tx timestamp reg 3 valid */ #define IGC_TSYNCTXCTL_ENABLED 0x00000010 /* enable Tx timestamping */ #define IGC_TSYNCTXCTL_MAX_ALLOWED_DLY_MASK 0x0000F000 /* max delay */ #define IGC_TSYNCTXCTL_SYNC_COMP_ERR 0x20000000 /* sync err */ @@ -461,6 +464,10 @@ #define IGC_TSYNCTXCTL_START_SYNC 0x80000000 /* initiate sync */ #define IGC_TSYNCTXCTL_TXSYNSIG 0x00000020 /* Sample TX tstamp in PHY sop */ +#define IGC_TSYNCTXCTL_TXTT_ANY ( \ + IGC_TSYNCTXCTL_TXTT_0 | IGC_TSYNCTXCTL_TXTT_1 | \ + IGC_TSYNCTXCTL_TXTT_2 | IGC_TSYNCTXCTL_TXTT_3) + /* Timer selection bits */ #define IGC_AUX_IO_TIMER_SEL_SYSTIM0 (0u << 30) /* Select SYSTIM0 for auxiliary time stamp */ #define IGC_AUX_IO_TIMER_SEL_SYSTIM1 (1u << 30) /* Select SYSTIM1 for auxiliary time stamp */ @@ -546,10 +553,10 @@ #define IGC_PTM_CTRL_START_NOW BIT(29) /* Start PTM Now */ #define IGC_PTM_CTRL_EN BIT(30) /* Enable PTM */ #define IGC_PTM_CTRL_TRIG BIT(31) /* PTM Cycle trigger */ -#define IGC_PTM_CTRL_SHRT_CYC(usec) (((usec) & 0x2f) << 2) +#define IGC_PTM_CTRL_SHRT_CYC(usec) (((usec) & 0x3f) << 2) #define IGC_PTM_CTRL_PTM_TO(usec) (((usec) & 0xff) << 8) -#define IGC_PTM_SHORT_CYC_DEFAULT 10 /* Default Short/interrupted cycle interval */ +#define IGC_PTM_SHORT_CYC_DEFAULT 1 /* Default short cycle interval */ #define IGC_PTM_CYC_TIME_DEFAULT 5 /* Default PTM cycle time */ #define IGC_PTM_TIMEOUT_DEFAULT 255 /* Default timeout for PTM errors */ diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 93bce729be76..7ab6dd58e400 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -868,6 +868,18 @@ static void igc_ethtool_get_stats(struct net_device *netdev, spin_unlock(&adapter->stats64_lock); } +static int igc_ethtool_get_previous_rx_coalesce(struct igc_adapter *adapter) +{ + return (adapter->rx_itr_setting <= 3) ? + adapter->rx_itr_setting : adapter->rx_itr_setting >> 2; +} + +static int igc_ethtool_get_previous_tx_coalesce(struct igc_adapter *adapter) +{ + return (adapter->tx_itr_setting <= 3) ? + adapter->tx_itr_setting : adapter->tx_itr_setting >> 2; +} + static int igc_ethtool_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, struct kernel_ethtool_coalesce *kernel_coal, @@ -875,17 +887,8 @@ static int igc_ethtool_get_coalesce(struct net_device *netdev, { struct igc_adapter *adapter = netdev_priv(netdev); - if (adapter->rx_itr_setting <= 3) - ec->rx_coalesce_usecs = adapter->rx_itr_setting; - else - ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2; - - if (!(adapter->flags & IGC_FLAG_QUEUE_PAIRS)) { - if (adapter->tx_itr_setting <= 3) - ec->tx_coalesce_usecs = adapter->tx_itr_setting; - else - ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2; - } + ec->rx_coalesce_usecs = igc_ethtool_get_previous_rx_coalesce(adapter); + ec->tx_coalesce_usecs = igc_ethtool_get_previous_tx_coalesce(adapter); return 0; } @@ -910,8 +913,12 @@ static int igc_ethtool_set_coalesce(struct net_device *netdev, ec->tx_coalesce_usecs == 2) return -EINVAL; - if ((adapter->flags & IGC_FLAG_QUEUE_PAIRS) && ec->tx_coalesce_usecs) + if ((adapter->flags & IGC_FLAG_QUEUE_PAIRS) && + ec->tx_coalesce_usecs != igc_ethtool_get_previous_tx_coalesce(adapter)) { + NL_SET_ERR_MSG_MOD(extack, + "Queue Pair mode enabled, both Rx and Tx coalescing controlled by rx-usecs"); return -EINVAL; + } /* If ITR is disabled, disable DMAC */ if (ec->rx_coalesce_usecs == 0) { diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 6f557e843e49..98de34d0ce07 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -1271,10 +1271,21 @@ static u32 igc_tx_cmd_type(struct sk_buff *skb, u32 tx_flags) cmd_type |= IGC_SET_FLAG(tx_flags, IGC_TX_FLAGS_TSO, (IGC_ADVTXD_DCMD_TSE)); - /* set timestamp bit if present */ + /* set timestamp bit if present, will select the register set + * based on the _TSTAMP(_X) bit. + */ cmd_type |= IGC_SET_FLAG(tx_flags, IGC_TX_FLAGS_TSTAMP, (IGC_ADVTXD_MAC_TSTAMP)); + cmd_type |= IGC_SET_FLAG(tx_flags, IGC_TX_FLAGS_TSTAMP_1, + (IGC_ADVTXD_TSTAMP_REG_1)); + + cmd_type |= IGC_SET_FLAG(tx_flags, IGC_TX_FLAGS_TSTAMP_2, + (IGC_ADVTXD_TSTAMP_REG_2)); + + cmd_type |= IGC_SET_FLAG(tx_flags, IGC_TX_FLAGS_TSTAMP_3, + (IGC_ADVTXD_TSTAMP_REG_3)); + /* insert frame checksum */ cmd_type ^= IGC_SET_FLAG(skb->no_fcs, 1, IGC_ADVTXD_DCMD_IFCS); @@ -1533,6 +1544,26 @@ static int igc_tso(struct igc_ring *tx_ring, return 1; } +static bool igc_request_tx_tstamp(struct igc_adapter *adapter, struct sk_buff *skb, u32 *flags) +{ + int i; + + for (i = 0; i < IGC_MAX_TX_TSTAMP_REGS; i++) { + struct igc_tx_timestamp_request *tstamp = &adapter->tx_tstamp[i]; + + if (tstamp->skb) + continue; + + tstamp->skb = skb_get(skb); + tstamp->start = jiffies; + *flags = tstamp->flags; + + return true; + } + + return false; +} + static netdev_tx_t igc_xmit_frame_ring(struct sk_buff *skb, struct igc_ring *tx_ring) { @@ -1614,14 +1645,12 @@ done: * timestamping request. */ unsigned long flags; + u32 tstamp_flags; spin_lock_irqsave(&adapter->ptp_tx_lock, flags); - if (!adapter->ptp_tx_skb) { + if (igc_request_tx_tstamp(adapter, skb, &tstamp_flags)) { skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; - tx_flags |= IGC_TX_FLAGS_TSTAMP; - - adapter->ptp_tx_skb = skb_get(skb); - adapter->ptp_tx_start = jiffies; + tx_flags |= IGC_TX_FLAGS_TSTAMP | tstamp_flags; } else { adapter->tx_hwtstamp_skipped++; } @@ -6162,6 +6191,26 @@ static int igc_tsn_clear_schedule(struct igc_adapter *adapter) return 0; } +static void igc_taprio_stats(struct net_device *dev, + struct tc_taprio_qopt_stats *stats) +{ + /* When Strict_End is enabled, the tx_overruns counter + * will always be zero. + */ + stats->tx_overruns = 0; +} + +static void igc_taprio_queue_stats(struct net_device *dev, + struct tc_taprio_qopt_queue_stats *queue_stats) +{ + struct tc_taprio_qopt_stats *stats = &queue_stats->stats; + + /* When Strict_End is enabled, the tx_overruns counter + * will always be zero. + */ + stats->tx_overruns = 0; +} + static int igc_save_qbv_schedule(struct igc_adapter *adapter, struct tc_taprio_qopt_offload *qopt) { @@ -6173,11 +6222,20 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, size_t n; int i; - if (qopt->cmd == TAPRIO_CMD_DESTROY) + switch (qopt->cmd) { + case TAPRIO_CMD_REPLACE: + break; + case TAPRIO_CMD_DESTROY: return igc_tsn_clear_schedule(adapter); - - if (qopt->cmd != TAPRIO_CMD_REPLACE) + case TAPRIO_CMD_STATS: + igc_taprio_stats(adapter->netdev, &qopt->stats); + return 0; + case TAPRIO_CMD_QUEUE_STATS: + igc_taprio_queue_stats(adapter->netdev, &qopt->queue_stats); + return 0; + default: return -EOPNOTSUPP; + } if (qopt->base_time < 0) return -ERANGE; @@ -6433,7 +6491,7 @@ static int igc_xdp_xmit(struct net_device *dev, int num_frames, struct igc_ring *ring; int i, drops; - if (unlikely(test_bit(__IGC_DOWN, &adapter->state))) + if (unlikely(!netif_carrier_ok(dev))) return -ENETDOWN; if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c index f0b979a70655..928f38792203 100644 --- a/drivers/net/ethernet/intel/igc/igc_ptp.c +++ b/drivers/net/ethernet/intel/igc/igc_ptp.c @@ -558,11 +558,16 @@ static void igc_ptp_enable_rx_timestamp(struct igc_adapter *adapter) static void igc_ptp_clear_tx_tstamp(struct igc_adapter *adapter) { unsigned long flags; + int i; spin_lock_irqsave(&adapter->ptp_tx_lock, flags); - dev_kfree_skb_any(adapter->ptp_tx_skb); - adapter->ptp_tx_skb = NULL; + for (i = 0; i < IGC_MAX_TX_TSTAMP_REGS; i++) { + struct igc_tx_timestamp_request *tstamp = &adapter->tx_tstamp[i]; + + dev_kfree_skb_any(tstamp->skb); + tstamp->skb = NULL; + } spin_unlock_irqrestore(&adapter->ptp_tx_lock, flags); } @@ -659,61 +664,106 @@ static int igc_ptp_set_timestamp_mode(struct igc_adapter *adapter, } /* Requires adapter->ptp_tx_lock held by caller. */ -static void igc_ptp_tx_timeout(struct igc_adapter *adapter) +static void igc_ptp_tx_timeout(struct igc_adapter *adapter, + struct igc_tx_timestamp_request *tstamp) { - struct igc_hw *hw = &adapter->hw; - - dev_kfree_skb_any(adapter->ptp_tx_skb); - adapter->ptp_tx_skb = NULL; + dev_kfree_skb_any(tstamp->skb); + tstamp->skb = NULL; adapter->tx_hwtstamp_timeouts++; - /* Clear the tx valid bit in TSYNCTXCTL register to enable interrupt. */ - rd32(IGC_TXSTMPH); + netdev_warn(adapter->netdev, "Tx timestamp timeout\n"); } void igc_ptp_tx_hang(struct igc_adapter *adapter) { + struct igc_tx_timestamp_request *tstamp; + struct igc_hw *hw = &adapter->hw; unsigned long flags; + bool found = false; + int i; spin_lock_irqsave(&adapter->ptp_tx_lock, flags); - if (!adapter->ptp_tx_skb) - goto unlock; + for (i = 0; i < IGC_MAX_TX_TSTAMP_REGS; i++) { + tstamp = &adapter->tx_tstamp[i]; + + if (!tstamp->skb) + continue; - if (time_is_after_jiffies(adapter->ptp_tx_start + IGC_PTP_TX_TIMEOUT)) - goto unlock; + if (time_is_after_jiffies(tstamp->start + IGC_PTP_TX_TIMEOUT)) + continue; - igc_ptp_tx_timeout(adapter); + igc_ptp_tx_timeout(adapter, tstamp); + found = true; + } + + if (found) { + /* Reading the high register of the first set of timestamp registers + * clears all the equivalent bits in the TSYNCTXCTL register. + */ + rd32(IGC_TXSTMPH_0); + } -unlock: spin_unlock_irqrestore(&adapter->ptp_tx_lock, flags); } +static void igc_ptp_tx_reg_to_stamp(struct igc_adapter *adapter, + struct igc_tx_timestamp_request *tstamp, u64 regval) +{ + struct skb_shared_hwtstamps shhwtstamps; + struct sk_buff *skb; + int adjust = 0; + + skb = tstamp->skb; + if (!skb) + return; + + if (igc_ptp_systim_to_hwtstamp(adapter, &shhwtstamps, regval)) + return; + + switch (adapter->link_speed) { + case SPEED_10: + adjust = IGC_I225_TX_LATENCY_10; + break; + case SPEED_100: + adjust = IGC_I225_TX_LATENCY_100; + break; + case SPEED_1000: + adjust = IGC_I225_TX_LATENCY_1000; + break; + case SPEED_2500: + adjust = IGC_I225_TX_LATENCY_2500; + break; + } + + shhwtstamps.hwtstamp = + ktime_add_ns(shhwtstamps.hwtstamp, adjust); + + tstamp->skb = NULL; + + skb_tstamp_tx(skb, &shhwtstamps); + dev_kfree_skb_any(skb); +} + /** * igc_ptp_tx_hwtstamp - utility function which checks for TX time stamp * @adapter: Board private structure * - * If we were asked to do hardware stamping and such a time stamp is - * available, then it must have been for this skb here because we only - * allow only one such packet into the queue. + * Check against the ready mask for which of the timestamp register + * sets are ready to be retrieved, then retrieve that and notify the + * rest of the stack. * * Context: Expects adapter->ptp_tx_lock to be held by caller. */ static void igc_ptp_tx_hwtstamp(struct igc_adapter *adapter) { - struct sk_buff *skb = adapter->ptp_tx_skb; - struct skb_shared_hwtstamps shhwtstamps; struct igc_hw *hw = &adapter->hw; - u32 tsynctxctl; - int adjust = 0; u64 regval; + u32 mask; + int i; - if (WARN_ON_ONCE(!skb)) - return; - - tsynctxctl = rd32(IGC_TSYNCTXCTL); - tsynctxctl &= IGC_TSYNCTXCTL_TXTT_0; - if (tsynctxctl) { + mask = rd32(IGC_TSYNCTXCTL) & IGC_TSYNCTXCTL_TXTT_ANY; + if (mask & IGC_TSYNCTXCTL_TXTT_0) { regval = rd32(IGC_TXSTMPL); regval |= (u64)rd32(IGC_TXSTMPH) << 32; } else { @@ -742,37 +792,30 @@ static void igc_ptp_tx_hwtstamp(struct igc_adapter *adapter) txstmpl_new = rd32(IGC_TXSTMPL); if (txstmpl_old == txstmpl_new) - return; + goto done; regval = txstmpl_new; regval |= (u64)rd32(IGC_TXSTMPH) << 32; } - if (igc_ptp_systim_to_hwtstamp(adapter, &shhwtstamps, regval)) - return; - switch (adapter->link_speed) { - case SPEED_10: - adjust = IGC_I225_TX_LATENCY_10; - break; - case SPEED_100: - adjust = IGC_I225_TX_LATENCY_100; - break; - case SPEED_1000: - adjust = IGC_I225_TX_LATENCY_1000; - break; - case SPEED_2500: - adjust = IGC_I225_TX_LATENCY_2500; - break; - } + igc_ptp_tx_reg_to_stamp(adapter, &adapter->tx_tstamp[0], regval); - shhwtstamps.hwtstamp = - ktime_add_ns(shhwtstamps.hwtstamp, adjust); +done: + /* Now that the problematic first register was handled, we can + * use retrieve the timestamps from the other registers + * (starting from '1') with less complications. + */ + for (i = 1; i < IGC_MAX_TX_TSTAMP_REGS; i++) { + struct igc_tx_timestamp_request *tstamp = &adapter->tx_tstamp[i]; - adapter->ptp_tx_skb = NULL; + if (!(tstamp->mask & mask)) + continue; - /* Notify the stack and free the skb after we've unlocked */ - skb_tstamp_tx(skb, &shhwtstamps); - dev_kfree_skb_any(skb); + regval = rd32(tstamp->regl); + regval |= (u64)rd32(tstamp->regh) << 32; + + igc_ptp_tx_reg_to_stamp(adapter, tstamp, regval); + } } /** @@ -788,12 +831,8 @@ void igc_ptp_tx_tstamp_event(struct igc_adapter *adapter) spin_lock_irqsave(&adapter->ptp_tx_lock, flags); - if (!adapter->ptp_tx_skb) - goto unlock; - igc_ptp_tx_hwtstamp(adapter); -unlock: spin_unlock_irqrestore(&adapter->ptp_tx_lock, flags); } @@ -1006,9 +1045,34 @@ static int igc_ptp_getcrosststamp(struct ptp_clock_info *ptp, void igc_ptp_init(struct igc_adapter *adapter) { struct net_device *netdev = adapter->netdev; + struct igc_tx_timestamp_request *tstamp; struct igc_hw *hw = &adapter->hw; int i; + tstamp = &adapter->tx_tstamp[0]; + tstamp->mask = IGC_TSYNCTXCTL_TXTT_0; + tstamp->regl = IGC_TXSTMPL_0; + tstamp->regh = IGC_TXSTMPH_0; + tstamp->flags = 0; + + tstamp = &adapter->tx_tstamp[1]; + tstamp->mask = IGC_TSYNCTXCTL_TXTT_1; + tstamp->regl = IGC_TXSTMPL_1; + tstamp->regh = IGC_TXSTMPH_1; + tstamp->flags = IGC_TX_FLAGS_TSTAMP_1; + + tstamp = &adapter->tx_tstamp[2]; + tstamp->mask = IGC_TSYNCTXCTL_TXTT_2; + tstamp->regl = IGC_TXSTMPL_2; + tstamp->regh = IGC_TXSTMPH_2; + tstamp->flags = IGC_TX_FLAGS_TSTAMP_2; + + tstamp = &adapter->tx_tstamp[3]; + tstamp->mask = IGC_TSYNCTXCTL_TXTT_3; + tstamp->regl = IGC_TXSTMPL_3; + tstamp->regh = IGC_TXSTMPH_3; + tstamp->flags = IGC_TX_FLAGS_TSTAMP_3; + switch (hw->mac.type) { case igc_i225: for (i = 0; i < IGC_N_SDP; i++) { diff --git a/drivers/net/ethernet/intel/igc/igc_regs.h b/drivers/net/ethernet/intel/igc/igc_regs.h index dba5a5759b1c..20e17f5fbce3 100644 --- a/drivers/net/ethernet/intel/igc/igc_regs.h +++ b/drivers/net/ethernet/intel/igc/igc_regs.h @@ -243,6 +243,18 @@ #define IGC_SYSTIMR 0x0B6F8 /* System time register Residue */ #define IGC_TIMINCA 0x0B608 /* Increment attributes register - RW */ +/* TX Timestamp Low */ +#define IGC_TXSTMPL_0 0x0B618 +#define IGC_TXSTMPL_1 0x0B698 +#define IGC_TXSTMPL_2 0x0B6B8 +#define IGC_TXSTMPL_3 0x0B6D8 + +/* TX Timestamp High */ +#define IGC_TXSTMPH_0 0x0B61C +#define IGC_TXSTMPH_1 0x0B69C +#define IGC_TXSTMPH_2 0x0B6BC +#define IGC_TXSTMPH_3 0x0B6DC + #define IGC_TXSTMPL 0x0B618 /* Tx timestamp value Low - RO */ #define IGC_TXSTMPH 0x0B61C /* Tx timestamp value High - RO */ |