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Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0203-dpaa2-eth-Add-Tx-shaping-API.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/701-net-0203-dpaa2-eth-Add-Tx-shaping-API.patch94
1 files changed, 94 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0203-dpaa2-eth-Add-Tx-shaping-API.patch b/target/linux/layerscape/patches-5.4/701-net-0203-dpaa2-eth-Add-Tx-shaping-API.patch
new file mode 100644
index 0000000000..f1bbc5546d
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0203-dpaa2-eth-Add-Tx-shaping-API.patch
@@ -0,0 +1,94 @@
+From bec2af878c58bbd12f9009948d4fc58ad9c7c1d3 Mon Sep 17 00:00:00 2001
+From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
+Date: Fri, 5 May 2017 18:45:50 +0300
+Subject: [PATCH] dpaa2-eth: Add Tx shaping API
+
+DPNIs can be configured to accept a maximum Tx rate and
+burst size. Add the MC API for controlling these parameters.
+
+Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
+---
+ drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h | 8 +++++++
+ drivers/net/ethernet/freescale/dpaa2/dpni.c | 29 +++++++++++++++++++++++++
+ drivers/net/ethernet/freescale/dpaa2/dpni.h | 15 +++++++++++++
+ 3 files changed, 52 insertions(+)
+
+--- a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
++++ b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
+@@ -315,6 +315,14 @@ struct dpni_rsp_get_link_state {
+ __le64 options;
+ };
+
++struct dpni_cmd_set_tx_shaping {
++ /* cmd word 0 */
++ __le16 max_burst_size;
++ __le16 pad[3];
++ /* cmd word 1 */
++ __le32 rate_limit;
++};
++
+ struct dpni_cmd_set_max_frame_length {
+ __le16 max_frame_length;
+ };
+--- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
++++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
+@@ -926,6 +926,35 @@ int dpni_get_link_state(struct fsl_mc_io
+ }
+
+ /**
++ * dpni_set_tx_shaping() - Set the transmit shaping
++ * @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
++ * @tx_shaper: Tx shaping configuration
++ *
++ * Return: '0' on Success; Error code otherwise.
++ */
++int dpni_set_tx_shaping(struct fsl_mc_io *mc_io,
++ u32 cmd_flags,
++ u16 token,
++ const struct dpni_tx_shaping_cfg *tx_shaper)
++{
++ struct fsl_mc_command cmd = { 0 };
++ struct dpni_cmd_set_tx_shaping *cmd_params;
++
++ /* prepare command */
++ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_TX_SHAPING,
++ cmd_flags,
++ token);
++ cmd_params = (struct dpni_cmd_set_tx_shaping *)cmd.params;
++ cmd_params->max_burst_size = cpu_to_le16(tx_shaper->max_burst_size);
++ cmd_params->rate_limit = cpu_to_le32(tx_shaper->rate_limit);
++
++ /* send command to mc*/
++ return mc_send_command(mc_io, &cmd);
++}
++
++/**
+ * dpni_set_max_frame_length() - Set the maximum received frame length.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+--- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
++++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
+@@ -555,6 +555,21 @@ int dpni_get_link_state(struct fsl_mc_io
+ u16 token,
+ struct dpni_link_state *state);
+
++/**
++ * struct dpni_tx_shaping - Structure representing DPNI tx shaping configuration
++ * @rate_limit: rate in Mbps
++ * @max_burst_size: burst size in bytes (up to 64KB)
++ */
++struct dpni_tx_shaping_cfg {
++ u32 rate_limit;
++ u16 max_burst_size;
++};
++
++int dpni_set_tx_shaping(struct fsl_mc_io *mc_io,
++ u32 cmd_flags,
++ u16 token,
++ const struct dpni_tx_shaping_cfg *tx_shaper);
++
+ int dpni_set_max_frame_length(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,