This adds a priority extractor to the router's PacketParser, and defines
a metadata struct which is forwarded to egresses with optional data
extracted from a packet.
Change-Id: I69f856b900e73de22d1ecb86e912aa2f7a96c436
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/48680
Reviewed-by: Wyatt Hepler <hepler@google.com>
This removes all log statements from the static router. This is done as
there is no guarantee for what pw_log backend is used. In some systems,
logs may flow directly through the router, resulting in recursive calls
that cause a crash.
The user of the router can choose to check and log its return values if
the operation is safe.
Change-Id: I3a94d9245fde8fd5d27a23ddd1713aba1e880bd8
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/33621
Reviewed-by: Wyatt Hepler <hepler@google.com>
Commit-Queue: Alexei Frolov <frolv@google.com>
This adds a pw_router module for routing packets over network links.
Initially, this module contains a basic StaticRouter which uses a static
routing table.
Change-Id: I5534c7fec5c622e7af6548c48793ff7f7d6dd098
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/29440
Commit-Queue: Alexei Frolov <frolv@google.com>
Reviewed-by: Ewout van Bekkum <ewout@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
Reviewed-by: Wyatt Hepler <hepler@google.com>
