diff options
Diffstat (limited to 'drivers/net/benet/be_cmds.c')
| -rw-r--r-- | drivers/net/benet/be_cmds.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c index cc3a235475bc..e1124c89181c 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -2014,3 +2014,42 @@ err: attribs_cmd.dma); return status; } + +/* Uses mbox */ +int be_cmd_check_native_mode(struct be_adapter *adapter) +{ + struct be_mcc_wrb *wrb; + struct be_cmd_req_set_func_cap *req; + int status; + + if (mutex_lock_interruptible(&adapter->mbox_lock)) + return -1; + + wrb = wrb_from_mbox(adapter); + if (!wrb) { + status = -EBUSY; + goto err; + } + + req = embedded_payload(wrb); + + be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, + OPCODE_COMMON_SET_DRIVER_FUNCTION_CAP); + + be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, + OPCODE_COMMON_SET_DRIVER_FUNCTION_CAP, sizeof(*req)); + + req->valid_cap_flags = cpu_to_le32(CAPABILITY_SW_TIMESTAMPS | + CAPABILITY_BE3_NATIVE_ERX_API); + req->cap_flags = cpu_to_le32(CAPABILITY_BE3_NATIVE_ERX_API); + + status = be_mbox_notify_wait(adapter); + if (!status) { + struct be_cmd_resp_set_func_cap *resp = embedded_payload(wrb); + adapter->be3_native = le32_to_cpu(resp->cap_flags) & + CAPABILITY_BE3_NATIVE_ERX_API; + } +err: + mutex_unlock(&adapter->mbox_lock); + return status; +} |