patches for DPDK stable branches
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From: "Sun, GuinanX" <guinanx.sun@intel.com>
To: "Ye, Xiaolong" <xiaolong.ye@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"Lu, Wenzhuo" <wenzhuo.lu@intel.com>,
	"Yang, Qiming" <qiming.yang@intel.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v2] net/ixgbe: fix macsec setting
Date: Wed, 30 Oct 2019 03:19:14 +0000
Message-ID: <05758BDAD7FC8E4BAED63D0390A8A9557DC27D@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <20191029090306.GA106706@intel.com>

Hi, Xiaolong

On 10/29, Sun GuinanX wrote:
> >macsec setting is not valid when port is stopped.
> >In order to make it valid, the patch changes the setting to where port
> >is started.
> >
> >Fixes: 597f9fafe13b ("app/testpmd: convert to new Tx offloads API")
> >Cc: stable@dpdk.org
> >
> >Signed-off-by: Sun GuinanX <guinanx.sun@intel.com>
> >---
> >v2:
> >* Modified function name
> >* Refactored the rte_pmd_ixgbe_macsec_enable/disable function
> >* Modified structure name
> >* Modified the data type of a structure variable
> >---
> > drivers/net/ixgbe/ixgbe_ethdev.c  | 160 ++++++++++++++++++++++++++++++
> >drivers/net/ixgbe/ixgbe_ethdev.h  |  15 +++
> >drivers/net/ixgbe/rte_pmd_ixgbe.c | 127 ++----------------------
> > 3 files changed, 182 insertions(+), 120 deletions(-)
> >
> >diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
> >b/drivers/net/ixgbe/ixgbe_ethdev.c
> >index dbce7a80e..7ae7bc9ca 100644
> >--- a/drivers/net/ixgbe/ixgbe_ethdev.c
> >+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> >@@ -379,6 +379,11 @@ static int ixgbe_dev_udp_tunnel_port_del(struct
> >rte_eth_dev *dev,  static int ixgbe_filter_restore(struct rte_eth_dev
> >*dev);  static void ixgbe_l2_tunnel_conf(struct rte_eth_dev *dev);
> >
> >+static void ixgbe_dev_macsec_ctrl_register_enable(struct rte_eth_dev *dev,
> >+		struct ixgbe_macsec_setting *macsec_contrl);
> >+
> >+static void ixgbe_dev_macsec_ctrl_register_disable(struct rte_eth_dev
> >+*dev);
> >+
> > /*
> >  * Define VF Stats MACRO for Non "cleared on read" register
> >  */
> >@@ -2542,6 +2547,8 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
> > 	uint32_t *link_speeds;
> > 	struct ixgbe_tm_conf *tm_conf =
> > 		IXGBE_DEV_PRIVATE_TO_TM_CONF(dev->data->dev_private);
> >+	struct ixgbe_macsec_setting *macsec_ctrl =
> >+		IXGBE_DEV_PRIVATE_TO_MACSEC_CTRL(dev->data-
> >dev_private);
> >
> > 	PMD_INIT_FUNC_TRACE();
> >
> >@@ -2794,6 +2801,9 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
> > 	 */
> > 	ixgbe_dev_link_update(dev, 0);
> >
> >+	/* setup the macsec ctrl register */
> >+	ixgbe_dev_macsec_ctrl_register_enable(dev, macsec_ctrl);
> >+
> > 	return 0;
> >
> > error:
> >@@ -2825,6 +2835,9 @@ ixgbe_dev_stop(struct rte_eth_dev *dev)
> >
> > 	PMD_INIT_FUNC_TRACE();
> >
> >+	/* disable mecsec register */
> >+	ixgbe_dev_macsec_ctrl_register_disable(dev);
> >+
> > 	rte_eal_alarm_cancel(ixgbe_dev_setup_link_alarm_handler, dev);
> >
> > 	/* disable interrupts */
> >@@ -8816,6 +8829,153 @@ ixgbe_clear_all_l2_tn_filter(struct rte_eth_dev
> *dev)
> > 	return 0;
> > }
> >
> >+/* macsec ctrl setup enable */
> 
> This comment is not aligned with the function name, actually since this function
> is quite straightforward, the comment is unnecessary.
Similar useless comments had been removed
> 
> >+void
> >+ixgbe_dev_macsec_setting_save(struct rte_eth_dev *dev,
> >+				struct ixgbe_macsec_setting *macsec_ctrl) {
> >+	struct ixgbe_macsec_setting *macsec =
> >+		IXGBE_DEV_PRIVATE_TO_MACSEC_CTRL(dev->data-
> >dev_private);
> >+
> >+	macsec->encrypt_en = macsec_ctrl->encrypt_en;
> >+	macsec->replayprotect_en = macsec_ctrl->replayprotect_en; }
> >+
> >+/* macsec ctrl setup disable */
> 
> ditto
Similar useless comments had been removed
> 
> >+void
> >+ixgbe_dev_macsec_setting_reset(struct rte_eth_dev *dev) {
> >+	struct ixgbe_macsec_setting *macsec =
> >+		IXGBE_DEV_PRIVATE_TO_MACSEC_CTRL(dev->data-
> >dev_private);
> >+
> >+	macsec->encrypt_en = 0;
> >+	macsec->replayprotect_en = 0;
> >+}
> >+
> >+/* macsec ctrl register set */
> >+static void
> >+ixgbe_dev_macsec_ctrl_register_enable(struct rte_eth_dev *dev,
> >+				struct ixgbe_macsec_setting *macsec_contrl) {
> >+	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data-
> >dev_private);
> >+	uint32_t ctrl;
> >+	uint8_t en = (uint8_t)macsec_contrl->encrypt_en;
> >+	uint8_t rp = (uint8_t)macsec_contrl->replayprotect_en;
> >+
> >+	/**
> >+	 * Workaround:
> >+	 * As no ixgbe_disable_sec_rx_path equivalent is
> >+	 * implemented for tx in the base code, and we are
> >+	 * not allowed to modify the base code in DPDK, so
> >+	 * just call the hand-written one directly for now.
> >+	 * The hardware support has been checked by
> >+	 * ixgbe_disable_sec_rx_path().
> >+	 */
> >+	ixgbe_disable_sec_tx_path_generic(hw);
> >+
> >+	/* Enable Ethernet CRC (required by MACsec offload) */
> >+	ctrl = IXGBE_READ_REG(hw, IXGBE_HLREG0);
> >+	ctrl |= IXGBE_HLREG0_TXCRCEN | IXGBE_HLREG0_RXCRCSTRP;
> >+	IXGBE_WRITE_REG(hw, IXGBE_HLREG0, ctrl);
> >+
> >+	/* Enable the TX and RX crypto engines */
> >+	ctrl = IXGBE_READ_REG(hw, IXGBE_SECTXCTRL);
> >+	ctrl &= ~IXGBE_SECTXCTRL_SECTX_DIS;
> >+	IXGBE_WRITE_REG(hw, IXGBE_SECTXCTRL, ctrl);
> >+
> >+	ctrl = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
> >+	ctrl &= ~IXGBE_SECRXCTRL_SECRX_DIS;
> >+	IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, ctrl);
> >+
> >+	ctrl = IXGBE_READ_REG(hw, IXGBE_SECTXMINIFG);
> >+	ctrl &= ~IXGBE_SECTX_MINSECIFG_MASK;
> >+	ctrl |= 0x3;
> >+	IXGBE_WRITE_REG(hw, IXGBE_SECTXMINIFG, ctrl);
> >+
> >+	/* Enable SA lookup */
> >+	ctrl = IXGBE_READ_REG(hw, IXGBE_LSECTXCTRL);
> >+	ctrl &= ~IXGBE_LSECTXCTRL_EN_MASK;
> >+	ctrl |= en ? IXGBE_LSECTXCTRL_AUTH_ENCRYPT :
> >+		     IXGBE_LSECTXCTRL_AUTH;
> >+	ctrl |= IXGBE_LSECTXCTRL_AISCI;
> >+	ctrl &= ~IXGBE_LSECTXCTRL_PNTHRSH_MASK;
> >+	ctrl |= IXGBE_MACSEC_PNTHRSH &
> IXGBE_LSECTXCTRL_PNTHRSH_MASK;
> >+	IXGBE_WRITE_REG(hw, IXGBE_LSECTXCTRL, ctrl);
> >+
> >+	ctrl = IXGBE_READ_REG(hw, IXGBE_LSECRXCTRL);
> >+	ctrl &= ~IXGBE_LSECRXCTRL_EN_MASK;
> >+	ctrl |= IXGBE_LSECRXCTRL_STRICT << IXGBE_LSECRXCTRL_EN_SHIFT;
> >+	ctrl &= ~IXGBE_LSECRXCTRL_PLSH;
> >+	if (rp)
> >+		ctrl |= IXGBE_LSECRXCTRL_RP;
> >+	else
> >+		ctrl &= ~IXGBE_LSECRXCTRL_RP;
> >+	IXGBE_WRITE_REG(hw, IXGBE_LSECRXCTRL, ctrl);
> >+
> >+	/* Start the data paths */
> >+	ixgbe_enable_sec_rx_path(hw);
> >+	/**
> >+	 * Workaround:
> >+	 * As no ixgbe_enable_sec_rx_path equivalent is
> >+	 * implemented for tx in the base code, and we are
> >+	 * not allowed to modify the base code in DPDK, so
> >+	 * just call the hand-written one directly for now.
> >+	 */
> >+	ixgbe_enable_sec_tx_path_generic(hw);
> >+}
> >+
> >+/* macsec ctrl register set */
> >+static void
> >+ixgbe_dev_macsec_ctrl_register_disable(struct rte_eth_dev *dev) {
> >+	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data-
> >dev_private);
> >+	uint32_t ctrl;
> >+
> >+	/**
> >+	 * Workaround:
> >+	 * As no ixgbe_disable_sec_rx_path equivalent is
> >+	 * implemented for tx in the base code, and we are
> >+	 * not allowed to modify the base code in DPDK, so
> >+	 * just call the hand-written one directly for now.
> >+	 * The hardware support has been checked by
> >+	 * ixgbe_disable_sec_rx_path().
> >+	 */
> >+	ixgbe_disable_sec_tx_path_generic(hw);
> >+
> >+	/* Disable the TX and RX crypto engines */
> >+	ctrl = IXGBE_READ_REG(hw, IXGBE_SECTXCTRL);
> >+	ctrl |= IXGBE_SECTXCTRL_SECTX_DIS;
> >+	IXGBE_WRITE_REG(hw, IXGBE_SECTXCTRL, ctrl);
> >+
> >+	ctrl = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
> >+	ctrl |= IXGBE_SECRXCTRL_SECRX_DIS;
> >+	IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, ctrl);
> >+
> >+	/* Disable SA lookup */
> >+	ctrl = IXGBE_READ_REG(hw, IXGBE_LSECTXCTRL);
> >+	ctrl &= ~IXGBE_LSECTXCTRL_EN_MASK;
> >+	ctrl |= IXGBE_LSECTXCTRL_DISABLE;
> >+	IXGBE_WRITE_REG(hw, IXGBE_LSECTXCTRL, ctrl);
> >+
> >+	ctrl = IXGBE_READ_REG(hw, IXGBE_LSECRXCTRL);
> >+	ctrl &= ~IXGBE_LSECRXCTRL_EN_MASK;
> >+	ctrl |= IXGBE_LSECRXCTRL_DISABLE << IXGBE_LSECRXCTRL_EN_SHIFT;
> >+	IXGBE_WRITE_REG(hw, IXGBE_LSECRXCTRL, ctrl);
> >+
> >+	/* Start the data paths */
> >+	ixgbe_enable_sec_rx_path(hw);
> >+	/**
> >+	 * Workaround:
> >+	 * As no ixgbe_enable_sec_rx_path equivalent is
> >+	 * implemented for tx in the base code, and we are
> >+	 * not allowed to modify the base code in DPDK, so
> >+	 * just call the hand-written one directly for now.
> >+	 */
> >+	ixgbe_enable_sec_tx_path_generic(hw);
> >+}
> >+
> >+
> >+
> 
> One empty line is enough here.
had been removed
> 
> > RTE_PMD_REGISTER_PCI(net_ixgbe, rte_ixgbe_pmd);
> >RTE_PMD_REGISTER_PCI_TABLE(net_ixgbe, pci_id_ixgbe_map);
> >RTE_PMD_REGISTER_KMOD_DEP(net_ixgbe, "* igb_uio | uio_pci_generic |
> >vfio-pci"); diff --git a/drivers/net/ixgbe/ixgbe_ethdev.h
> >b/drivers/net/ixgbe/ixgbe_ethdev.h
> >index 6e9ed2e10..6aa2cdbbc 100644
> >--- a/drivers/net/ixgbe/ixgbe_ethdev.h
> >+++ b/drivers/net/ixgbe/ixgbe_ethdev.h
> >@@ -365,6 +365,12 @@ struct rte_flow {
> > 	void *rule;
> > };
> >
> >+/* MACsec Control structure */
> 
> Comment is unaligned and unnecessary.
had been removed
> 
> >+struct ixgbe_macsec_setting {
> >+	uint8_t encrypt_en;		/* encrypt enabled */
> >+	uint8_t replayprotect_en;	/* replayprotect enabled */
> >+};
> >+
> > /*
> >  * Statistics counters collected by the MACsec
> >  */
> >@@ -471,6 +477,7 @@ struct ixgbe_adapter {
> > 	struct ixgbe_hw             hw;
> > 	struct ixgbe_hw_stats       stats;
> > 	struct ixgbe_macsec_stats   macsec_stats;
> >+	struct ixgbe_macsec_setting	macsec_ctrl;
> > 	struct ixgbe_hw_fdir_info   fdir;
> > 	struct ixgbe_interrupt      intr;
> > 	struct ixgbe_stat_mapping_registers stat_mappings; @@ -523,6 +530,9
> >@@ int ixgbe_vf_representor_uninit(struct rte_eth_dev *ethdev);
> >#define IXGBE_DEV_PRIVATE_TO_MACSEC_STATS(adapter) \
> > 	(&((struct ixgbe_adapter *)adapter)->macsec_stats)
> >
> >+#define IXGBE_DEV_PRIVATE_TO_MACSEC_CTRL(adapter) \
> >+	(&((struct ixgbe_adapter *)adapter)->macsec_ctrl)
> >+
> > #define IXGBE_DEV_PRIVATE_TO_INTR(adapter) \
> > 	(&((struct ixgbe_adapter *)adapter)->intr)
> >
> >@@ -741,6 +751,11 @@ int ixgbe_action_rss_same(const struct
> >rte_flow_action_rss *comp,  int ixgbe_config_rss_filter(struct rte_eth_dev
> *dev,
> > 		struct ixgbe_rte_flow_rss_conf *conf, bool add);
> >
> >+void ixgbe_dev_macsec_setting_save(struct rte_eth_dev *dev,
> >+		struct ixgbe_macsec_setting *macsec_ctrl);
> >+
> >+void ixgbe_dev_macsec_setting_reset(struct rte_eth_dev *dev);
> >+
> > static inline int
> > ixgbe_ethertype_filter_lookup(struct ixgbe_filter_info *filter_info,
> > 			      uint16_t ethertype)
> >diff --git a/drivers/net/ixgbe/rte_pmd_ixgbe.c
> >b/drivers/net/ixgbe/rte_pmd_ixgbe.c
> >index 9514f2cf5..3a1474876 100644
> >--- a/drivers/net/ixgbe/rte_pmd_ixgbe.c
> >+++ b/drivers/net/ixgbe/rte_pmd_ixgbe.c
> >@@ -515,82 +515,18 @@ rte_pmd_ixgbe_set_vf_rate_limit(uint16_t port,
> >uint16_t vf,  int  rte_pmd_ixgbe_macsec_enable(uint16_t port, uint8_t
> >en, uint8_t rp)  {
> 
> I think there is usercase when dev is started, and user calls
> rte_pmd_ixgbe_macsec_enable and he expects it will take effect, so we still
> need to configure register (call ixgbe_dev_macsec_ctrl_register_enable) here
> other than just caching the macsec setting.
>
This kind of usercase processing will be added in the patch of V3.
 
> >-	struct ixgbe_hw *hw;
> > 	struct rte_eth_dev *dev;
> >-	uint32_t ctrl;
> >+	struct ixgbe_macsec_setting macsec_setting;
> >
> > 	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
> >
> > 	dev = &rte_eth_devices[port];
> >
> >-	if (!is_ixgbe_supported(dev))
> >-		return -ENOTSUP;
> >-
> >-	hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> >+	macsec_setting.encrypt_en = en;
> >+	macsec_setting.replayprotect_en = rp;
> >
> >-	/* Stop the data paths */
> >-	if (ixgbe_disable_sec_rx_path(hw) != IXGBE_SUCCESS)
> >-		return -ENOTSUP;
> >-	/**
> >-	 * Workaround:
> >-	 * As no ixgbe_disable_sec_rx_path equivalent is
> >-	 * implemented for tx in the base code, and we are
> >-	 * not allowed to modify the base code in DPDK, so
> >-	 * just call the hand-written one directly for now.
> >-	 * The hardware support has been checked by
> >-	 * ixgbe_disable_sec_rx_path().
> >-	 */
> >-	ixgbe_disable_sec_tx_path_generic(hw);
> >-
> >-	/* Enable Ethernet CRC (required by MACsec offload) */
> >-	ctrl = IXGBE_READ_REG(hw, IXGBE_HLREG0);
> >-	ctrl |= IXGBE_HLREG0_TXCRCEN | IXGBE_HLREG0_RXCRCSTRP;
> >-	IXGBE_WRITE_REG(hw, IXGBE_HLREG0, ctrl);
> >-
> >-	/* Enable the TX and RX crypto engines */
> >-	ctrl = IXGBE_READ_REG(hw, IXGBE_SECTXCTRL);
> >-	ctrl &= ~IXGBE_SECTXCTRL_SECTX_DIS;
> >-	IXGBE_WRITE_REG(hw, IXGBE_SECTXCTRL, ctrl);
> >-
> >-	ctrl = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
> >-	ctrl &= ~IXGBE_SECRXCTRL_SECRX_DIS;
> >-	IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, ctrl);
> >-
> >-	ctrl = IXGBE_READ_REG(hw, IXGBE_SECTXMINIFG);
> >-	ctrl &= ~IXGBE_SECTX_MINSECIFG_MASK;
> >-	ctrl |= 0x3;
> >-	IXGBE_WRITE_REG(hw, IXGBE_SECTXMINIFG, ctrl);
> >-
> >-	/* Enable SA lookup */
> >-	ctrl = IXGBE_READ_REG(hw, IXGBE_LSECTXCTRL);
> >-	ctrl &= ~IXGBE_LSECTXCTRL_EN_MASK;
> >-	ctrl |= en ? IXGBE_LSECTXCTRL_AUTH_ENCRYPT :
> >-		     IXGBE_LSECTXCTRL_AUTH;
> >-	ctrl |= IXGBE_LSECTXCTRL_AISCI;
> >-	ctrl &= ~IXGBE_LSECTXCTRL_PNTHRSH_MASK;
> >-	ctrl |= IXGBE_MACSEC_PNTHRSH &
> IXGBE_LSECTXCTRL_PNTHRSH_MASK;
> >-	IXGBE_WRITE_REG(hw, IXGBE_LSECTXCTRL, ctrl);
> >-
> >-	ctrl = IXGBE_READ_REG(hw, IXGBE_LSECRXCTRL);
> >-	ctrl &= ~IXGBE_LSECRXCTRL_EN_MASK;
> >-	ctrl |= IXGBE_LSECRXCTRL_STRICT << IXGBE_LSECRXCTRL_EN_SHIFT;
> >-	ctrl &= ~IXGBE_LSECRXCTRL_PLSH;
> >-	if (rp)
> >-		ctrl |= IXGBE_LSECRXCTRL_RP;
> >-	else
> >-		ctrl &= ~IXGBE_LSECRXCTRL_RP;
> >-	IXGBE_WRITE_REG(hw, IXGBE_LSECRXCTRL, ctrl);
> >-
> >-	/* Start the data paths */
> >-	ixgbe_enable_sec_rx_path(hw);
> >-	/**
> >-	 * Workaround:
> >-	 * As no ixgbe_enable_sec_rx_path equivalent is
> >-	 * implemented for tx in the base code, and we are
> >-	 * not allowed to modify the base code in DPDK, so
> >-	 * just call the hand-written one directly for now.
> >-	 */
> >-	ixgbe_enable_sec_tx_path_generic(hw);
> >+	/* Enable macsec setup  */
> >+	ixgbe_dev_macsec_setting_save(dev, &macsec_setting);
> >
> > 	return 0;
> > }
> >@@ -598,63 +534,14 @@ rte_pmd_ixgbe_macsec_enable(uint16_t port,
> >uint8_t en, uint8_t rp)  int  rte_pmd_ixgbe_macsec_disable(uint16_t
> >port)  {
> 
> Ditto.
>
This kind of usercase processing will be added in the patch of V3.
 
> Thanks,
> Xiaolong

  reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-25  9:21 [dpdk-stable] [PATCH] " Sun GuinanX
2019-10-29  3:24 ` [dpdk-stable] [dpdk-dev] " Ye Xiaolong
2019-10-29 16:32 ` [dpdk-stable] [PATCH v2] " Sun GuinanX
2019-10-29  9:03   ` [dpdk-stable] [dpdk-dev] " Ye Xiaolong
2019-10-30  3:19     ` Sun, GuinanX [this message]
2019-10-30 10:43   ` [dpdk-stable] [PATCH v3] " Sun GuinanX
2019-10-30 11:31     ` [dpdk-stable] [PATCH v4] " Sun GuinanX
2019-10-30  5:34       ` [dpdk-stable] [dpdk-dev] " Ye Xiaolong
2019-10-30 14:27       ` [dpdk-stable] [PATCH v5] " Sun GuinanX
2019-10-31  2:12         ` [dpdk-stable] [dpdk-dev] " Ye Xiaolong
2019-10-31 11:31         ` [dpdk-stable] [PATCH v6] " Sun GuinanX
2019-11-01  2:25           ` [dpdk-stable] [dpdk-dev] " Ye Xiaolong
2020-05-18  2:56           ` Zhao1, Wei

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