diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dpni.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpni.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.c b/drivers/net/ethernet/freescale/dpaa2/dpni.c index d6ac26797cec..a5c71fade554 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpni.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c @@ -1598,3 +1598,35 @@ int dpni_get_api_version(struct fsl_mc_io *mc_io, return 0; } + +/** + * dpni_set_rx_hash_dist() - Set Rx hash distribution + * @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: Distribution configuration + * If cfg.enable is set to 1 the packets will be classified using a hash + * function based on the key received in cfg.key_cfg_iova parameter. + * If cfg.enable is set to 0 the packets will be sent to the default queue + */ +int dpni_set_rx_hash_dist(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + const struct dpni_rx_dist_cfg *cfg) +{ + struct dpni_cmd_set_rx_hash_dist *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_HASH_DIST, + cmd_flags, + token); + cmd_params = (struct dpni_cmd_set_rx_hash_dist *)cmd.params; + cmd_params->dist_size = cpu_to_le16(cfg->dist_size); + dpni_set_field(cmd_params->enable, RX_HASH_DIST_ENABLE, cfg->enable); + cmd_params->tc = cfg->tc; + cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} |