diff options
author | Ioana Ciornei <ioana.ciornei@nxp.com> | 2020-07-21 19:38:24 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-07-22 02:24:04 +0300 |
commit | 39344a89623d77ffa4cf9354d85fd6e58467bb87 (patch) | |
tree | e1803f58424092d2b150fbb173a53a2fafaeeedc /drivers/net/ethernet/freescale/dpaa2/dpni.c | |
parent | e3ec13be571b9da61011bf41ef097fe9bbbc3041 (diff) | |
download | linux-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.c | 36 |
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); +} |