[switchorch]: Add support of ECMP and LAG hash seed attribute#324
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stcheng merged 1 commit intosonic-net:masterfrom Oct 3, 2017
volodymyrsamotiy:hash_seed
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[switchorch]: Add support of ECMP and LAG hash seed attribute#324stcheng merged 1 commit intosonic-net:masterfrom volodymyrsamotiy:hash_seed
stcheng merged 1 commit intosonic-net:masterfrom
volodymyrsamotiy:hash_seed
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stcheng
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Sep 27, 2017
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Looks good to me. Left some comments to discuss.
orchagent/switchorch.cpp
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| vector<string> attributes; | ||
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| if (switch_attribute_map.find(attribute) == switch_attribute_map.end()) | ||
| if (fvField(i) == "hash_seed") |
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i wonder if we don't need such logics here. if we would like to set the two values with the same value, it is okay that we feed the swssconfig with the JSON file that contains both attributes with the same value. Thus the for loop below is not necessary.
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I agree that it would be better and logical to set hash seed attributes separately. I will update the pull request with appropriate changes.
Since changes were done according to requirements document, I believe it should be updated as well. (https://github.com/Azure/SONiC/wiki/ECMP-and-LAG-Hash-Seed)
lguohan
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Oct 2, 2017
orchagent/switchorch.cpp
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| {"fdb_broadcast_miss_packet_action", SAI_SWITCH_ATTR_FDB_BROADCAST_MISS_PACKET_ACTION}, | ||
| {"fdb_multicast_miss_packet_action", SAI_SWITCH_ATTR_FDB_MULTICAST_MISS_PACKET_ACTION} | ||
| {"fdb_multicast_miss_packet_action", SAI_SWITCH_ATTR_FDB_MULTICAST_MISS_PACKET_ACTION}, | ||
| {"ecmp_default_hash_seed", SAI_SWITCH_ATTR_ECMP_DEFAULT_HASH_SEED}, |
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agree. default shall not be in the attribute name. default is a value not an attribute. the SAI attribute name is not perfect.
lguohan
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Oct 2, 2017
orchagent/switchorch.cpp
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| {"fdb_multicast_miss_packet_action", SAI_SWITCH_ATTR_FDB_MULTICAST_MISS_PACKET_ACTION} | ||
| {"fdb_multicast_miss_packet_action", SAI_SWITCH_ATTR_FDB_MULTICAST_MISS_PACKET_ACTION}, | ||
| {"ecmp_default_hash_seed", SAI_SWITCH_ATTR_ECMP_DEFAULT_HASH_SEED}, | ||
| {"lag_default_hash_seed", SAI_SWITCH_ATTR_LAG_DEFAULT_HASH_SEED} |
lguohan
reviewed
Oct 2, 2017
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| case SAI_SWITCH_ATTR_ECMP_DEFAULT_HASH_SEED: | ||
| case SAI_SWITCH_ATTR_LAG_DEFAULT_HASH_SEED: | ||
| attr.value.u32 = to_uint<uint32_t>(value); |
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do we have test cases for different hash seeds?
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No, as far as I know, we don't have.
Signed-off-by: Volodymyr Samotiy <volodymyrs@mellanox.com>
stcheng
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Oct 3, 2017
stcheng
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Oct 3, 2017
praveen-li
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Aug 24, 2020
* msft_github/master: [portsorch]: Use sai_serialize api to write to DB (sonic-net#331) [portsorch]: Update comments (sonic-net#333) [switchorch]: Add support of ECMP and LAG hash seed attribute (sonic-net#324) [portsorch]: Add support of cable breakout feature (sonic-net#320)
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Feb 28, 2022
…tem info on device (sonic-net#324) The information includes: -- platform string -- system mac -- port configuration: alias, lanes, speed, index This is useful when we first load the configuration from config_db.json generated outside which does not have the information on the device. The default behaviour is not changed, so it won't impact the system unless you use this option. This can be used for ZTP to config the box the first time and avoid any addtional work which could cause inconsistency.
lukasstockner
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Apr 2, 2023
…onic-net#324) (sonic-net#329) - Description Add media assignment options to Application Advertisement - Motivation and Context Add media assignment options to Application Advertisement - How Has This Been Tested? Manual test
jianyuewu
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Dec 24, 2025
…onic-net#324) * [MultiDB]:swsscommon replace old API with new APIs including tests * update code format * move db setup into global setup
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Signed-off-by: Volodymyr Samotiy volodymyrs@mellanox.com