Generic userland RX flow steering #5993
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Fixes a design flaw where the xdp and sock tiles hardcode the flow steering rules for the app tiles. Defines a generic 'topo_net_rx' struct that maps UDP ports to output links (and metadata like DST_PROTO IDs). Adds a 'find_16x16' API for AVX-accelerated fast port matching. Temporarily undoes the 'repair ping-pong' flow steering hack.
Forwards ping frames arriving at the 'repair ingress' port from the shred tile to the repair tile. This was previously done at the net tile level, but is moved to the shred/repair tiles to keep the network stack clean.
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Remove unused SIOCGIFHWADDR call.
Fixes a design flaw where the xdp and sock tiles hardcode the
flow steering rules for the app tiles.
Defines a generic 'topo_net_rx' struct that maps UDP ports to
output links (and metadata like DST_PROTO IDs).
Adds a 'find_16x16' API for AVX-accelerated fast port matching.
Move repair forwarding logic from net/sock tiles to repair/shred.