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openwrt-mirror/target/linux/layerscape/patches-5.4/701-net-0215-dpaa2-eth-Add-support-for-new-link-state-APIs.patch
Yangbo Lu cddd459140 layerscape: add patches-5.4 
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
2020-05-07 12:53:06 +02:00

230 lines
6.9 KiB
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Raw Blame History

From 0153f87972bfa3ef33bf369b8e91142f7c2b284a Mon Sep 17 00:00:00 2001
From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Date: Wed, 17 Oct 2018 20:14:24 +0300
Subject: [PATCH] dpaa2-eth: Add support for new link state APIs
Add v2 of dpni_get_link_state() and dpni_set_link_cfg() commands.
The new version allows setting & getting advertised and supported
link options.
Signed-off-by: Valentin Catalin Neacsu <valentin-catalin.neacsu@nxp.com>
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
---
drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h | 33 ++++++++++++
drivers/net/ethernet/freescale/dpaa2/dpni.c | 70 +++++++++++++++++++++++++
drivers/net/ethernet/freescale/dpaa2/dpni.h | 27 ++++++++++
3 files changed, 130 insertions(+)
--- a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
@@ -44,9 +44,11 @@
#define DPNI_CMDID_GET_QDID DPNI_CMD(0x210)
#define DPNI_CMDID_GET_TX_DATA_OFFSET DPNI_CMD(0x212)
#define DPNI_CMDID_GET_LINK_STATE DPNI_CMD(0x215)
+#define DPNI_CMDID_GET_LINK_STATE_V2 DPNI_CMD_V2(0x215)
#define DPNI_CMDID_SET_MAX_FRAME_LENGTH DPNI_CMD(0x216)
#define DPNI_CMDID_GET_MAX_FRAME_LENGTH DPNI_CMD(0x217)
#define DPNI_CMDID_SET_LINK_CFG DPNI_CMD(0x21A)
+#define DPNI_CMDID_SET_LINK_CFG_V2 DPNI_CMD_V2(0x21A)
#define DPNI_CMDID_SET_TX_SHAPING DPNI_CMD_V2(0x21B)
#define DPNI_CMDID_SET_MCAST_PROMISC DPNI_CMD(0x220)
@@ -304,8 +306,22 @@ struct dpni_cmd_link_cfg {
__le64 options;
};
+struct dpni_cmd_set_link_cfg_v2 {
+ /* cmd word 0 */
+ __le64 pad0;
+ /* cmd word 1 */
+ __le32 rate;
+ __le32 pad1;
+ /* cmd word 2 */
+ __le64 options;
+ /* cmd word 3 */
+ __le64 advertising;
+};
+
#define DPNI_LINK_STATE_SHIFT 0
#define DPNI_LINK_STATE_SIZE 1
+#define DPNI_STATE_VALID_SHIFT 1
+#define DPNI_STATE_VALID_SIZE 1
struct dpni_rsp_get_link_state {
/* response word 0 */
@@ -320,6 +336,23 @@ struct dpni_rsp_get_link_state {
__le64 options;
};
+struct dpni_rsp_get_link_state_v2 {
+ /* response word 0 */
+ __le32 pad0;
+ /* from LSB: up:1, valid:1 */
+ u8 flags;
+ u8 pad1[3];
+ /* response word 1 */
+ __le32 rate;
+ __le32 pad2;
+ /* response word 2 */
+ __le64 options;
+ /* cmd word 3 */
+ __le64 supported;
+ /* cmd word 4 */
+ __le64 advertising;
+};
+
#define DPNI_COUPLED_SHIFT 0
#define DPNI_COUPLED_SIZE 1
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
@@ -853,6 +853,36 @@ int dpni_set_link_cfg(struct fsl_mc_io *
}
/**
+ * dpni_set_link_cfg_v2() - set the link configuration.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPNI object
+ * @cfg: Link configuration
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpni_set_link_cfg_v2(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ const struct dpni_link_cfg *cfg)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpni_cmd_set_link_cfg_v2 *cmd_params;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_LINK_CFG_V2,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpni_cmd_set_link_cfg_v2 *)cmd.params;
+ cmd_params->rate = cpu_to_le32(cfg->rate);
+ cmd_params->options = cpu_to_le64(cfg->options);
+ cmd_params->advertising = cpu_to_le64(cfg->advertising);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
* dpni_get_link_cfg() - return the link configuration
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
@@ -924,6 +954,46 @@ int dpni_get_link_state(struct fsl_mc_io
return 0;
}
+
+/**
+ * dpni_get_link_state_v2() - Return the link state (either up or down)
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPNI object
+ * @state: Returned link state;
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpni_get_link_state_v2(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dpni_link_state *state)
+{
+ struct fsl_mc_command cmd = { 0 };
+ struct dpni_rsp_get_link_state_v2 *rsp_params;
+ int err;
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_LINK_STATE_V2,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ /* retrieve response parameters */
+ rsp_params = (struct dpni_rsp_get_link_state_v2 *)cmd.params;
+ state->up = dpni_get_field(rsp_params->flags, LINK_STATE);
+ state->state_valid = dpni_get_field(rsp_params->flags, STATE_VALID);
+ state->rate = le32_to_cpu(rsp_params->rate);
+ state->options = le64_to_cpu(rsp_params->options);
+ state->supported = le64_to_cpu(rsp_params->supported);
+ state->advertising = le64_to_cpu(rsp_params->advertising);
+
+ return 0;
+}
/**
* dpni_set_tx_shaping() - Set the transmit shaping
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
@@ -522,6 +522,19 @@ int dpni_reset_statistics(struct fsl_mc_
* Enable priority flow control pause frames
*/
#define DPNI_LINK_OPT_PFC_PAUSE 0x0000000000000010ULL
+/**
+ * Advertised link speeds
+ */
+#define DPNI_ADVERTISED_10BASET_FULL 0x0000000000000001ULL
+#define DPNI_ADVERTISED_100BASET_FULL 0x0000000000000002ULL
+#define DPNI_ADVERTISED_1000BASET_FULL 0x0000000000000004ULL
+#define DPNI_ADVERTISED_10000BASET_FULL 0x0000000000000010ULL
+#define DPNI_ADVERTISED_2500BASEX_FULL 0x0000000000000020ULL
+
+/**
+ * Advertise auto-negotiation enabled
+ */
+#define DPNI_ADVERTISED_AUTONEG 0x0000000000000008ULL
/**
* struct - Structure representing DPNI link configuration
@@ -531,6 +544,7 @@ int dpni_reset_statistics(struct fsl_mc_
struct dpni_link_cfg {
u32 rate;
u64 options;
+ u64 advertising;
};
int dpni_set_link_cfg(struct fsl_mc_io *mc_io,
@@ -538,6 +552,11 @@ int dpni_set_link_cfg(struct fsl_mc_io
u16 token,
const struct dpni_link_cfg *cfg);
+int dpni_set_link_cfg_v2(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ const struct dpni_link_cfg *cfg);
+
int dpni_get_link_cfg(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
@@ -552,7 +571,10 @@ int dpni_get_link_cfg(struct fsl_mc_io
struct dpni_link_state {
u32 rate;
u64 options;
+ u64 supported;
+ u64 advertising;
int up;
+ int state_valid;
};
int dpni_get_link_state(struct fsl_mc_io *mc_io,
@@ -560,6 +582,11 @@ int dpni_get_link_state(struct fsl_mc_io
u16 token,
struct dpni_link_state *state);
+int dpni_get_link_state_v2(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ struct dpni_link_state *state);
+
/**
* struct dpni_tx_shaping - Structure representing DPNI tx shaping configuration
* @rate_limit: rate in Mbps
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