/**
* t4vf_read_rss_vi_config - read a VI's RSS configuration
* @adapter: the adapter
* @viid: Virtual Interface ID
* @config: pointer to host-native VI RSS Configuration buffer
*
* Reads the Virtual Interface's RSS configuration information and
* translates it into CPU-native format.
*/
int t4vf_read_rss_vi_config(struct adapter *adapter, unsigned int viid,
union rss_vi_config *config)
{
struct fw_rss_vi_config_cmd cmd, rpl;
int v;
memset(&cmd, 0, sizeof(cmd));
cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) |
FW_CMD_REQUEST |
FW_CMD_READ |
FW_RSS_VI_CONFIG_CMD_VIID(viid));
cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl);
if (v)
return v;
switch (adapter->params.rss.mode) {
case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: {
u32 word = be32_to_cpu(rpl.u.basicvirtual.defaultq_to_udpen);
config->basicvirtual.ip6fourtupen =
((word & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) != 0);
config->basicvirtual.ip6twotupen =
((word & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) != 0);
config->basicvirtual.ip4fourtupen =
((word & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) != 0);
config->basicvirtual.ip4twotupen =
((word & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) != 0);
config->basicvirtual.udpen =
((word & FW_RSS_VI_CONFIG_CMD_UDPEN) != 0);
config->basicvirtual.defaultq =
FW_RSS_VI_CONFIG_CMD_DEFAULTQ_GET(word);
break;
}
default:
return -EINVAL;
}
return 0;
}
/**
* t4vf_write_rss_vi_config - write a VI's RSS configuration
* @adapter: the adapter
* @viid: Virtual Interface ID
* @config: pointer to host-native VI RSS Configuration buffer
*
* Write the Virtual Interface's RSS configuration information
* (translating it into firmware-native format before writing).
*/
int t4vf_write_rss_vi_config(struct adapter *adapter, unsigned int viid,
union rss_vi_config *config)
{
struct fw_rss_vi_config_cmd cmd, rpl;
memset(&cmd, 0, sizeof(cmd));
cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_RSS_VI_CONFIG_CMD) |
FW_CMD_REQUEST_F |
FW_CMD_WRITE_F |
FW_RSS_VI_CONFIG_CMD_VIID(viid));
cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
switch (adapter->params.rss.mode) {
case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: {
u32 word = 0;
if (config->basicvirtual.ip6fourtupen)
word |= FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F;
if (config->basicvirtual.ip6twotupen)
word |= FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F;
if (config->basicvirtual.ip4fourtupen)
word |= FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F;
if (config->basicvirtual.ip4twotupen)
word |= FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F;
if (config->basicvirtual.udpen)
word |= FW_RSS_VI_CONFIG_CMD_UDPEN_F;
word |= FW_RSS_VI_CONFIG_CMD_DEFAULTQ_V(
config->basicvirtual.defaultq);
cmd.u.basicvirtual.defaultq_to_udpen = cpu_to_be32(word);
break;
}
default:
return -EINVAL;
}
return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl);
}
