+void
+ixgbe_dev_macsec_setting_save(struct rte_eth_dev *dev,
+ struct ixgbe_macsec_setting *macsec_setting)
+{
+ struct ixgbe_macsec_setting *macsec =
+ IXGBE_DEV_PRIVATE_TO_MACSEC_SETTING(dev->data->dev_private);
+
+ macsec->offload_en = macsec_setting->offload_en;
+ macsec->encrypt_en = macsec_setting->encrypt_en;
+ macsec->replayprotect_en = macsec_setting->replayprotect_en;
+}
+
+void
+ixgbe_dev_macsec_setting_reset(struct rte_eth_dev *dev)
+{
+ struct ixgbe_macsec_setting *macsec =
+ IXGBE_DEV_PRIVATE_TO_MACSEC_SETTING(dev->data->dev_private);
+
+ macsec->offload_en = 0;
+ macsec->encrypt_en = 0;
+ macsec->replayprotect_en = 0;
+}
+
+void
+ixgbe_dev_macsec_register_enable(struct rte_eth_dev *dev,
+ struct ixgbe_macsec_setting *macsec_setting)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint32_t ctrl;
+ uint8_t en = macsec_setting->encrypt_en;
+ uint8_t rp = macsec_setting->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);
+}
+
+void
+ixgbe_dev_macsec_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);
+}
+