commit 583171207c4f9a091abe3f867cc415e7f9aa514b
author Vernon Mauery <vernon.mauery@linux.intel.com> Wed Nov 28 11:02:43 2018 -0800
committer Vernon Mauery <vernon.mauery@linux.intel.com> Fri Jan 11 16:59:29 2019 +0000
tree 66b0b2749541d4fea840ee00a684c585e362a678
parent 54012504ba816fd0659b497a3c7e1c50f7c0f2d7

ipmid: channel: add max transfer size property

Each channel can have a different maximum transfer size. This should be
exposed so that it is easier to tell how many bytes it is possible to
send or receive on a given channel.

Change-Id: Ie277eb7a802edc1deeefe201a7560d371920f519
Signed-off-by: Vernon Mauery <vernon.mauery@linux.intel.com>

user_channel/channel_mgmt.cpp

diff --git a/user_channel/channel_mgmt.cpp b/user_channel/channel_mgmt.cpp
index 0ece27e..310ac2b 100644
--- a/user_channel/channel_mgmt.cpp
+++ b/user_channel/channel_mgmt.cpp
@@ -62,6 +62,7 @@
 static constexpr const char* nameString = "name";
 static constexpr const char* isValidString = "is_valid";
 static constexpr const char* activeSessionsString = "active_sessions";
+static constexpr const char* maxTransferSizeString = "max_transfer_size";
 static constexpr const char* channelInfoString = "channel_info";
 static constexpr const char* mediumTypeString = "medium_type";
 static constexpr const char* protocolTypeString = "protocol_type";
@@ -86,6 +87,7 @@
 static constexpr const uint8_t defaultAuthType =
     static_cast<uint8_t>(EAuthType::none);
 static constexpr const bool defaultIsIpmiState = false;
+static constexpr size_t smallChannelSize = 64;
 
 std::unique_ptr<sdbusplus::bus::match_t> chPropertiesSignal(nullptr);
 
@@ -419,6 +421,11 @@
     return channelData[chNum].activeSessCount;
 }
 
+size_t ChannelConfig::getChannelMaxTransferSize(uint8_t chNum)
+{
+    return channelData[chNum].maxTransferSize;
+}
+
 ipmi_ret_t ChannelConfig::getChannelInfo(const uint8_t chNum,
                                          ChannelInfo& chInfo)
 {
@@ -941,6 +948,8 @@
                     jsonChData[isValidString].get<bool>();
                 channelData[chNum].activeSessCount =
                     jsonChData.value(activeSessionsString, 0);
+                channelData[chNum].maxTransferSize =
+                    jsonChData.value(maxTransferSizeString, smallChannelSize);
                 Json jsonChInfo = jsonChData[channelInfoString].get<Json>();
                 if (jsonChInfo.is_null())
                 {