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authorIoana Ciornei <ioana.ciornei@nxp.com>2020-07-21 19:38:24 +0300
committerDavid S. Miller <davem@davemloft.net>2020-07-22 02:24:04 +0300
commit39344a89623d77ffa4cf9354d85fd6e58467bb87 (patch)
treee1803f58424092d2b150fbb173a53a2fafaeeedc /drivers/net/ethernet/freescale/dpaa2/dpni.c
parente3ec13be571b9da61011bf41ef097fe9bbbc3041 (diff)
downloadlinux-39344a89623d77ffa4cf9354d85fd6e58467bb87.tar.xz
dpaa2-eth: add API for Tx shaping
Add the necessary API (dpni_set_tx_shaping) for configuring the rate and burst size of a per port shaper in DPAA2. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dpni.c')
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpni.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.c b/drivers/net/ethernet/freescale/dpaa2/dpni.c
index 426100607854..68ed4c41b282 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
@@ -1963,3 +1963,39 @@ int dpni_clear_qos_table(struct fsl_mc_io *mc_io,
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
+
+/**
+ * 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_cr_shaper: TX committed rate shaping configuration
+ * @tx_er_shaper: TX excess rate shaping configuration
+ * @coupled: Committed and excess rate shapers are coupled
+ *
+ * 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_cr_shaper,
+ const struct dpni_tx_shaping_cfg *tx_er_shaper,
+ int coupled)
+{
+ struct dpni_cmd_set_tx_shaping *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ /* 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->tx_cr_max_burst_size = cpu_to_le16(tx_cr_shaper->max_burst_size);
+ cmd_params->tx_er_max_burst_size = cpu_to_le16(tx_er_shaper->max_burst_size);
+ cmd_params->tx_cr_rate_limit = cpu_to_le32(tx_cr_shaper->rate_limit);
+ cmd_params->tx_er_rate_limit = cpu_to_le32(tx_er_shaper->rate_limit);
+ dpni_set_field(cmd_params->coupled, COUPLED, coupled);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}