* [PATCH] ixgbe: configure VLAN TPID @ 2016-04-21 8:57 Beilei Xing 2016-06-03 2:58 ` [PATCH v2] " Beilei Xing 0 siblings, 1 reply; 8+ messages in thread From: Beilei Xing @ 2016-04-21 8:57 UTC (permalink / raw) To: helin.zhang; +Cc: dev, wenzhuo.lu, Beilei Xing The patch enables configuring the ether types of both inner and outer VLANs. Signed-off-by: Beilei Xing <beilei.xing@intel.com> --- drivers/net/ixgbe/ixgbe_ethdev.c | 29 +++++++++++++++++++++++++++-- 1 file changed, 27 insertions(+), 2 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index 3f1ebc1..c2c4154 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -157,6 +157,8 @@ enum ixgbevf_xcast_modes { IXGBEVF_XCAST_MODE_ALLMULTI, }; +#define IXGBE_EXVET_VET_EXT_SHIFT 16 + static int eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev); static int eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev); static int ixgbe_dev_configure(struct rte_eth_dev *dev); @@ -1575,11 +1577,34 @@ ixgbe_vlan_tpid_set(struct rte_eth_dev *dev, struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); int ret = 0; + uint32_t reg; + uint32_t qinq; + + qinq = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); + qinq &= IXGBE_DMATXCTL_GDV; switch (vlan_type) { case ETH_VLAN_TYPE_INNER: - /* Only the high 16-bits is valid */ - IXGBE_WRITE_REG(hw, IXGBE_EXVET, tpid << 16); + if (qinq) { + reg = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + reg = (reg & (~IXGBE_VLNCTRL_VET)) | (uint32_t)tpid; + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, reg); + } else { + PMD_DRV_LOG(ERR, "not set QinQ on yet\n"); + ret = -EIO; + } + break; + case ETH_VLAN_TYPE_OUTER: + if (qinq) { + /* Only the high 16-bits is valid */ + IXGBE_WRITE_REG(hw, IXGBE_EXVET, (uint32_t)tpid << + IXGBE_EXVET_VET_EXT_SHIFT); + } else { + reg = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + reg = (reg & (~IXGBE_VLNCTRL_VET)) | (uint32_t)tpid; + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, reg); + } + break; default: ret = -EINVAL; -- 2.5.0 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH v2] ixgbe: configure VLAN TPID 2016-04-21 8:57 [PATCH] ixgbe: configure VLAN TPID Beilei Xing @ 2016-06-03 2:58 ` Beilei Xing 2016-06-03 3:33 ` Lu, Wenzhuo 2016-06-14 7:20 ` [PATCH v3] " Beilei Xing 0 siblings, 2 replies; 8+ messages in thread From: Beilei Xing @ 2016-06-03 2:58 UTC (permalink / raw) To: wenzhuo.lu; +Cc: dev, Beilei Xing The patch enables configuring the ether types of both inner and outer VLANs. Signed-off-by: Beilei Xing <beilei.xing@intel.com> --- v2 changes: Modify return value. since inner tpid is not supported by single vlan, return -ENOTSUP. Change meanning of function vlan_tpid_set. drivers/net/ixgbe/ixgbe_ethdev.c | 30 ++++++++++++++++++++++++++++-- lib/librte_ether/rte_ethdev.h | 4 ++-- 2 files changed, 30 insertions(+), 4 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index a2b170b..0fe0dc4 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -157,6 +157,8 @@ enum ixgbevf_xcast_modes { IXGBEVF_XCAST_MODE_ALLMULTI, }; +#define IXGBE_EXVET_VET_EXT_SHIFT 16 + static int eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev); static int eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev); static int ixgbe_dev_configure(struct rte_eth_dev *dev); @@ -1576,11 +1578,35 @@ ixgbe_vlan_tpid_set(struct rte_eth_dev *dev, struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); int ret = 0; + uint32_t reg; + uint32_t qinq; + + qinq = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); + qinq &= IXGBE_DMATXCTL_GDV; switch (vlan_type) { case ETH_VLAN_TYPE_INNER: - /* Only the high 16-bits is valid */ - IXGBE_WRITE_REG(hw, IXGBE_EXVET, tpid << 16); + if (qinq) { + reg = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + reg = (reg & (~IXGBE_VLNCTRL_VET)) | (uint32_t)tpid; + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, reg); + } else { + ret = -ENOTSUP; + PMD_DRV_LOG(ERR, "Inner type is not supported" + " by single vlan\n"); + } + break; + case ETH_VLAN_TYPE_OUTER: + if (qinq) { + /* Only the high 16-bits is valid */ + IXGBE_WRITE_REG(hw, IXGBE_EXVET, (uint32_t)tpid << + IXGBE_EXVET_VET_EXT_SHIFT); + } else { + reg = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + reg = (reg & (~IXGBE_VLNCTRL_VET)) | (uint32_t)tpid; + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, reg); + } + break; default: ret = -EINVAL; diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 2757510..57855f4 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -1124,7 +1124,7 @@ typedef int (*vlan_filter_set_t)(struct rte_eth_dev *dev, typedef int (*vlan_tpid_set_t)(struct rte_eth_dev *dev, enum rte_vlan_type type, uint16_t tpid); -/**< @internal set the outer VLAN-TPID by an Ethernet device. */ +/**< @internal set the outer/inner VLAN-TPID by an Ethernet device. */ typedef void (*vlan_offload_set_t)(struct rte_eth_dev *dev, int mask); /**< @internal set VLAN offload function by an Ethernet device. */ @@ -1408,7 +1408,7 @@ struct eth_dev_ops { /**< Get packet types supported and identified by device*/ mtu_set_t mtu_set; /**< Set MTU. */ vlan_filter_set_t vlan_filter_set; /**< Filter VLAN Setup. */ - vlan_tpid_set_t vlan_tpid_set; /**< Outer VLAN TPID Setup. */ + vlan_tpid_set_t vlan_tpid_set; /**< Outer/Inner VLAN TPID Setup. */ vlan_strip_queue_set_t vlan_strip_queue_set; /**< VLAN Stripping on queue. */ vlan_offload_set_t vlan_offload_set; /**< Set VLAN Offload. */ vlan_pvid_set_t vlan_pvid_set; /**< Set port based TX VLAN insertion */ -- 2.5.0 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH v2] ixgbe: configure VLAN TPID 2016-06-03 2:58 ` [PATCH v2] " Beilei Xing @ 2016-06-03 3:33 ` Lu, Wenzhuo 2016-06-14 7:20 ` [PATCH v3] " Beilei Xing 1 sibling, 0 replies; 8+ messages in thread From: Lu, Wenzhuo @ 2016-06-03 3:33 UTC (permalink / raw) To: Xing, Beilei; +Cc: dev Hi, > -----Original Message----- > From: Xing, Beilei > Sent: Friday, June 3, 2016 10:58 AM > To: Lu, Wenzhuo > Cc: dev@dpdk.org; Xing, Beilei > Subject: [PATCH v2] ixgbe: configure VLAN TPID > > The patch enables configuring the ether types of both inner and outer VLANs. > > Signed-off-by: Beilei Xing <beilei.xing@intel.com> Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com> ^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH v3] ixgbe: configure VLAN TPID 2016-06-03 2:58 ` [PATCH v2] " Beilei Xing 2016-06-03 3:33 ` Lu, Wenzhuo @ 2016-06-14 7:20 ` Beilei Xing 2016-06-14 7:53 ` Lu, Wenzhuo ` (2 more replies) 1 sibling, 3 replies; 8+ messages in thread From: Beilei Xing @ 2016-06-14 7:20 UTC (permalink / raw) To: wenzhuo.lu; +Cc: dev, Beilei Xing The patch enables configuring the ether types of both inner and outer VLANs. Signed-off-by: Beilei Xing <beilei.xing@intel.com> --- v3 changes: Fix inserting vlan tpid issue for Tx. drivers/net/ixgbe/ixgbe_ethdev.c | 39 +++++++++++++++++++++++++++++++++++++-- lib/librte_ether/rte_ethdev.h | 4 ++-- 2 files changed, 39 insertions(+), 4 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index a2b170b..30853fe 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -157,6 +157,9 @@ enum ixgbevf_xcast_modes { IXGBEVF_XCAST_MODE_ALLMULTI, }; +#define IXGBE_EXVET_VET_EXT_SHIFT 16 +#define IXGBE_DMATXCTL_VT_MASK 0xFFFF0000 + static int eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev); static int eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev); static int ixgbe_dev_configure(struct rte_eth_dev *dev); @@ -1576,11 +1579,43 @@ ixgbe_vlan_tpid_set(struct rte_eth_dev *dev, struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); int ret = 0; + uint32_t reg; + uint32_t qinq; + + qinq = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); + qinq &= IXGBE_DMATXCTL_GDV; switch (vlan_type) { case ETH_VLAN_TYPE_INNER: - /* Only the high 16-bits is valid */ - IXGBE_WRITE_REG(hw, IXGBE_EXVET, tpid << 16); + if (qinq) { + reg = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + reg = (reg & (~IXGBE_VLNCTRL_VET)) | (uint32_t)tpid; + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, reg); + reg = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); + reg = (reg & (~IXGBE_DMATXCTL_VT_MASK)) + | ((uint32_t)tpid << IXGBE_DMATXCTL_VT_SHIFT); + IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg); + } else { + ret = -ENOTSUP; + PMD_DRV_LOG(ERR, "Inner type is not supported" + " by single vlan\n"); + } + break; + case ETH_VLAN_TYPE_OUTER: + if (qinq) { + /* Only the high 16-bits is valid */ + IXGBE_WRITE_REG(hw, IXGBE_EXVET, (uint32_t)tpid << + IXGBE_EXVET_VET_EXT_SHIFT); + } else { + reg = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + reg = (reg & (~IXGBE_VLNCTRL_VET)) | (uint32_t)tpid; + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, reg); + reg = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); + reg = (reg & (~IXGBE_DMATXCTL_VT_MASK)) + | ((uint32_t)tpid << IXGBE_DMATXCTL_VT_SHIFT); + IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg); + } + break; default: ret = -EINVAL; diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 2757510..57855f4 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -1124,7 +1124,7 @@ typedef int (*vlan_filter_set_t)(struct rte_eth_dev *dev, typedef int (*vlan_tpid_set_t)(struct rte_eth_dev *dev, enum rte_vlan_type type, uint16_t tpid); -/**< @internal set the outer VLAN-TPID by an Ethernet device. */ +/**< @internal set the outer/inner VLAN-TPID by an Ethernet device. */ typedef void (*vlan_offload_set_t)(struct rte_eth_dev *dev, int mask); /**< @internal set VLAN offload function by an Ethernet device. */ @@ -1408,7 +1408,7 @@ struct eth_dev_ops { /**< Get packet types supported and identified by device*/ mtu_set_t mtu_set; /**< Set MTU. */ vlan_filter_set_t vlan_filter_set; /**< Filter VLAN Setup. */ - vlan_tpid_set_t vlan_tpid_set; /**< Outer VLAN TPID Setup. */ + vlan_tpid_set_t vlan_tpid_set; /**< Outer/Inner VLAN TPID Setup. */ vlan_strip_queue_set_t vlan_strip_queue_set; /**< VLAN Stripping on queue. */ vlan_offload_set_t vlan_offload_set; /**< Set VLAN Offload. */ vlan_pvid_set_t vlan_pvid_set; /**< Set port based TX VLAN insertion */ -- 2.5.0 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH v3] ixgbe: configure VLAN TPID 2016-06-14 7:20 ` [PATCH v3] " Beilei Xing @ 2016-06-14 7:53 ` Lu, Wenzhuo 2016-06-23 11:18 ` Bruce Richardson 2016-06-23 15:11 ` [PATCH v4] " Beilei Xing 2 siblings, 0 replies; 8+ messages in thread From: Lu, Wenzhuo @ 2016-06-14 7:53 UTC (permalink / raw) To: Xing, Beilei; +Cc: dev Hi, > -----Original Message----- > From: Xing, Beilei > Sent: Tuesday, June 14, 2016 3:21 PM > To: Lu, Wenzhuo > Cc: dev@dpdk.org; Xing, Beilei > Subject: [PATCH v3] ixgbe: configure VLAN TPID > > The patch enables configuring the ether types of both inner and outer > VLANs. > > Signed-off-by: Beilei Xing <beilei.xing@intel.com> Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com> ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v3] ixgbe: configure VLAN TPID 2016-06-14 7:20 ` [PATCH v3] " Beilei Xing 2016-06-14 7:53 ` Lu, Wenzhuo @ 2016-06-23 11:18 ` Bruce Richardson 2016-06-23 15:11 ` [PATCH v4] " Beilei Xing 2 siblings, 0 replies; 8+ messages in thread From: Bruce Richardson @ 2016-06-23 11:18 UTC (permalink / raw) To: Beilei Xing; +Cc: wenzhuo.lu, dev On Tue, Jun 14, 2016 at 03:20:44PM +0800, Beilei Xing wrote: > The patch enables configuring the ether types of both inner and > outer VLANs. > This patch also changes the behaviour for configuring the ether type of a single vlan tag (as with the i40e patch we previously discussed). That must also be reflected in the commit message. /Bruce ^ permalink raw reply [flat|nested] 8+ messages in thread
* [PATCH v4] ixgbe: configure VLAN TPID 2016-06-14 7:20 ` [PATCH v3] " Beilei Xing 2016-06-14 7:53 ` Lu, Wenzhuo 2016-06-23 11:18 ` Bruce Richardson @ 2016-06-23 15:11 ` Beilei Xing 2016-06-24 16:34 ` Bruce Richardson 2 siblings, 1 reply; 8+ messages in thread From: Beilei Xing @ 2016-06-23 15:11 UTC (permalink / raw) To: wenzhuo.lu; +Cc: dev, Beilei Xing Previously, a single VLAN header is treated as inner VLAN, but generally, a single VLAN header is treated as the outer VLAN header. The patch fixes the ether type of a single VLAN type, and enables configuring inner and outer TPID for double VLAN. Fixes: 19b16e2f6442 ("ethdev: add vlan type when setting ether type") Signed-off-by: Beilei Xing <beilei.xing@intel.com> --- v4 changes: Update commit log. v3 changes: Fix inserting vlan tpid issue for Tx. drivers/net/ixgbe/ixgbe_ethdev.c | 41 +++++++++++++++++++++++++++++++++++++--- lib/librte_ether/rte_ethdev.h | 4 ++-- 2 files changed, 40 insertions(+), 5 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index e11a431..a5427b4 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -157,6 +157,9 @@ enum ixgbevf_xcast_modes { IXGBEVF_XCAST_MODE_ALLMULTI, }; +#define IXGBE_EXVET_VET_EXT_SHIFT 16 +#define IXGBE_DMATXCTL_VT_MASK 0xFFFF0000 + static int eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev); static int eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev); static int ixgbe_dev_configure(struct rte_eth_dev *dev); @@ -1584,15 +1587,47 @@ ixgbe_vlan_tpid_set(struct rte_eth_dev *dev, struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); int ret = 0; + uint32_t reg; + uint32_t qinq; + + qinq = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); + qinq &= IXGBE_DMATXCTL_GDV; switch (vlan_type) { case ETH_VLAN_TYPE_INNER: - /* Only the high 16-bits is valid */ - IXGBE_WRITE_REG(hw, IXGBE_EXVET, tpid << 16); + if (qinq) { + reg = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + reg = (reg & (~IXGBE_VLNCTRL_VET)) | (uint32_t)tpid; + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, reg); + reg = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); + reg = (reg & (~IXGBE_DMATXCTL_VT_MASK)) + | ((uint32_t)tpid << IXGBE_DMATXCTL_VT_SHIFT); + IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg); + } else { + ret = -ENOTSUP; + PMD_DRV_LOG(ERR, "Inner type is not supported" + " by single VLAN"); + } + break; + case ETH_VLAN_TYPE_OUTER: + if (qinq) { + /* Only the high 16-bits is valid */ + IXGBE_WRITE_REG(hw, IXGBE_EXVET, (uint32_t)tpid << + IXGBE_EXVET_VET_EXT_SHIFT); + } else { + reg = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); + reg = (reg & (~IXGBE_VLNCTRL_VET)) | (uint32_t)tpid; + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, reg); + reg = IXGBE_READ_REG(hw, IXGBE_DMATXCTL); + reg = (reg & (~IXGBE_DMATXCTL_VT_MASK)) + | ((uint32_t)tpid << IXGBE_DMATXCTL_VT_SHIFT); + IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg); + } + break; default: ret = -EINVAL; - PMD_DRV_LOG(ERR, "Unsupported vlan type %d\n", vlan_type); + PMD_DRV_LOG(ERR, "Unsupported VLAN type %d", vlan_type); break; } diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 45482f1..d04ddec 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -1157,7 +1157,7 @@ typedef int (*vlan_filter_set_t)(struct rte_eth_dev *dev, typedef int (*vlan_tpid_set_t)(struct rte_eth_dev *dev, enum rte_vlan_type type, uint16_t tpid); -/**< @internal set the outer VLAN-TPID by an Ethernet device. */ +/**< @internal set the outer/inner VLAN-TPID by an Ethernet device. */ typedef void (*vlan_offload_set_t)(struct rte_eth_dev *dev, int mask); /**< @internal set VLAN offload function by an Ethernet device. */ @@ -1443,7 +1443,7 @@ struct eth_dev_ops { /**< Get packet types supported and identified by device*/ mtu_set_t mtu_set; /**< Set MTU. */ vlan_filter_set_t vlan_filter_set; /**< Filter VLAN Setup. */ - vlan_tpid_set_t vlan_tpid_set; /**< Outer VLAN TPID Setup. */ + vlan_tpid_set_t vlan_tpid_set; /**< Outer/Inner VLAN TPID Setup. */ vlan_strip_queue_set_t vlan_strip_queue_set; /**< VLAN Stripping on queue. */ vlan_offload_set_t vlan_offload_set; /**< Set VLAN Offload. */ vlan_pvid_set_t vlan_pvid_set; /**< Set port based TX VLAN insertion */ -- 2.5.0 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH v4] ixgbe: configure VLAN TPID 2016-06-23 15:11 ` [PATCH v4] " Beilei Xing @ 2016-06-24 16:34 ` Bruce Richardson 0 siblings, 0 replies; 8+ messages in thread From: Bruce Richardson @ 2016-06-24 16:34 UTC (permalink / raw) To: Beilei Xing; +Cc: wenzhuo.lu, dev On Thu, Jun 23, 2016 at 11:11:58PM +0800, Beilei Xing wrote: > Previously, a single VLAN header is treated as inner VLAN, > but generally, a single VLAN header is treated as the outer > VLAN header. > The patch fixes the ether type of a single VLAN type, and > enables configuring inner and outer TPID for double VLAN. > > Fixes: 19b16e2f6442 ("ethdev: add vlan type when setting ether type") > > Signed-off-by: Beilei Xing <beilei.xing@intel.com> Applied to dpdk-next-net/rel_16_07 /Bruce ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2016-06-24 16:34 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2016-04-21 8:57 [PATCH] ixgbe: configure VLAN TPID Beilei Xing 2016-06-03 2:58 ` [PATCH v2] " Beilei Xing 2016-06-03 3:33 ` Lu, Wenzhuo 2016-06-14 7:20 ` [PATCH v3] " Beilei Xing 2016-06-14 7:53 ` Lu, Wenzhuo 2016-06-23 11:18 ` Bruce Richardson 2016-06-23 15:11 ` [PATCH v4] " Beilei Xing 2016-06-24 16:34 ` Bruce Richardson
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