SONiC Switch State Service (SwSS)
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BroadcomBroadcom CaviumCavium MellanoxMellanox P4P4

SONiC - SWitch State Service - SWSS


The SWitch State Service (SWSS) is a collection of software that provides a database interface for communication with and state representation of network applications and network switch hardware.

Getting Started


Before installing, add key and package sources:

sudo apt-key adv --keyserver --recv-keys 417A0893
echo 'deb trusty main' | sudo tee -a /etc/apt/sources.list.d/sonic.list
sudo apt-get update

Install dependencies:

sudo apt-get install redis-server -t trusty
sudo apt-get install libhiredis0.13 -t trusty

Install building dependencies:

sudo apt-get install libtool
sudo apt-get install autoconf automake
sudo apt-get install dh-exec

There are a few different ways you can install SONiC-SWSS.

Install from Debian Repo

For your convenience, you can install prepared packages on Debian Jessie:

sudo apt-get install swss

Install from Source

Checkout the source: git clone and install it yourself.

Get SAI header files into /usr/include/sai. Put the SAI header files that you use to compile libsairedis into /usr/include/sai

Install prerequisite packages:

sudo apt-get install libswsscommon libswsscommon-dev libsairedis libsairedis-dev

You can compile and install from source using:

make && sudo make install

You can also build a debian package using:

fakeroot debian/rules binary

Need Help?

For general questions, setup help, or troubleshooting:

For bug reports or feature requests, please open an Issue.

Contribution guide

See the contributors guide for information about how to contribute.

GitHub Workflow

We're following basic GitHub Flow. If you have no idea what we're talking about, check out GitHub's official guide. Note that merge is only performed by the repository maintainer.

Guide for performing commits:

  • Isolate each commit to one component/bugfix/issue/feature
  • Use a standard commit message format:
[component/folder touched]: Description intent of your changes

[List of changes]

Signed-off-by: Your Name

For example:

swss-common: Stabilize the ConsumerTable

* Fixing autoreconf
* Fixing unit-tests by adding checkers and initialize the DB before start
* Adding the ability to select from multiple channels
* Health-Monitor - The idea of the patch is that if something went wrong with the notification channel,
  we will have the option to know about it (Query the LLEN table length).

  Signed-off-by: user@dev.null
  • Each developer should fork this repository and add the team as a Contributor
  • Push your changes to your private fork and do "pull-request" to this repository
  • Use a pull request to do code review
  • Use issues to keep track of what is going on