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i40e: defeature support for PTP L4 frame detection on XL710

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A product decision has been made to defeature detection of PTP frames
over L4 (UDP) on the XL710 MAC. Do not advertise support for L4
timestamping.

Change-ID: I41fbb0f84ebb27c43e23098c08156f2625c6ee06
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jacob Keller 2016-11-11 12:39:25 -08:00 committed by Jeff Kirsher
parent 9108903383
commit 1e28e861c0
4 changed files with 31 additions and 9 deletions
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1
drivers/net/ethernet/intel/i40e/i40e.h
View File

@ -360,6 +360,7 @@ struct i40e_pf {
#define I40E_FLAG_PF_MAC BIT_ULL(50)
#define I40E_FLAG_TRUE_PROMISC_SUPPORT BIT_ULL(51)
#define I40E_FLAG_HAVE_CRT_RETIMER BIT_ULL(52)
#define I40E_FLAG_PTP_L4_CAPABLE BIT_ULL(53)
/* tracks features that get auto disabled by errors */
u64 auto_disable_flags;

15
drivers/net/ethernet/intel/i40e/i40e_ethtool.c
View File

@ -1681,8 +1681,19 @@ static int i40e_get_ts_info(struct net_device *dev,
info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ);
if (pf->flags & I40E_FLAG_PTP_L4_CAPABLE)
info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
return 0;
}

3
drivers/net/ethernet/intel/i40e/i40e_main.c
View File

@ -8699,7 +8699,8 @@ static int i40e_sw_init(struct i40e_pf *pf)
I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE |
I40E_FLAG_NO_PCI_LINK_CHECK |
I40E_FLAG_USE_SET_LLDP_MIB |
I40E_FLAG_GENEVE_OFFLOAD_CAPABLE;
I40E_FLAG_GENEVE_OFFLOAD_CAPABLE |
I40E_FLAG_PTP_L4_CAPABLE;
} else if ((pf->hw.aq.api_maj_ver > 1) ||
((pf->hw.aq.api_maj_ver == 1) &&
(pf->hw.aq.api_min_ver > 4))) {

21
drivers/net/ethernet/intel/i40e/i40e_ptp.c
View File

@ -521,6 +521,8 @@ static int i40e_ptp_set_timestamp_mode(struct i40e_pf *pf,
case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
if (!(pf->flags & I40E_FLAG_PTP_L4_CAPABLE))
return -ERANGE;
pf->ptp_rx = true;
tsyntype = I40E_PRTTSYN_CTL1_V1MESSTYPE0_MASK |
I40E_PRTTSYN_CTL1_TSYNTYPE_V1 |
@ -528,19 +530,26 @@ static int i40e_ptp_set_timestamp_mode(struct i40e_pf *pf,
config->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
break;
case HWTSTAMP_FILTER_PTP_V2_EVENT:
case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
case HWTSTAMP_FILTER_PTP_V2_SYNC:
case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
if (!(pf->flags & I40E_FLAG_PTP_L4_CAPABLE))
return -ERANGE;
/* fall through */
case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
pf->ptp_rx = true;
tsyntype = I40E_PRTTSYN_CTL1_V2MESSTYPE0_MASK |
I40E_PRTTSYN_CTL1_TSYNTYPE_V2 |
I40E_PRTTSYN_CTL1_UDP_ENA_MASK;
config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
I40E_PRTTSYN_CTL1_TSYNTYPE_V2;
if (pf->flags & I40E_FLAG_PTP_L4_CAPABLE) {
tsyntype |= I40E_PRTTSYN_CTL1_UDP_ENA_MASK;
config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
} else {
config->rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
}
break;
case HWTSTAMP_FILTER_ALL:
default: