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Classification & Filtering Traffic Management October 2016 - PowerPoint PPT Presentation

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Classification & Filtering Traffic Management October 2016 Chelsio T5/T6 Packet Classification and Filtering Features 1. Supported Match Fields with Optional Masks Up to 500K exact-match and 2K wildcard rules, 20M/sec lookup rate, 200K

  1. Classification & Filtering Traffic Management October 2016

  2. Chelsio T5/T6 Packet Classification and Filtering Features 1. Supported Match Fields with Optional Masks • Up to 500K exact-match and 2K wildcard rules, 20M/sec lookup rate, 200K updates/sec. • Ethernet - Destination Ethernet Address, Ethertype, Inner VLAN, Outer VLAN. • IPv4/IPv6 - Source and Destination IP Address, TOS, Protocol, IPv4 Don’t Frag/More Frag. • TCP/UDP - Source and Destination Port Address. • Match Encapsulated packets such as GENEVE, VXLAN, etc. • Match packets coming from specified PF/VF. 2. Supported Actions • Drop matched packet in hardware. • Redirect packet to specified ingress queue. • Redirect packet to specified port in hardware with optional header re-write, including: o Source and Destination Ethernet Address swap or rewrite. o Insertion, Deletion and Rewrite of VLAN headers. o Rewrite IP addresses and TCP/UDP ports to achieve NAT. 3. Supported Statistics • Per - Filter hit count showing number of times the filter is hit. • Per - Filter byte count showing number of bytes that hit the filter. 2 Efficient Performance™ Chelsio Confidential, 2016

  3. Chelsio T5/T6 Traffic Management Features 1. Supported Tx Traffic Rate Limiting Scheduling Classes: • Class Based Rate Limiting: o Per-Flow: Each individual flow bound to the class is rate-limited to the specified rate. o Per-Class: All flows bound to the class are aggregate rate-limited to the specified rate. o Absolute and relative (%) rate limiting. o Bits Per Second and Packets Per Second rate limiting. • Class Based Weighted Round Robin Rate Limiting: o Weight based rate limiting in a Round Robin manner. • Channel Based Rate Limiting: o Per-Channel: All flows going through the specified port (channel) are rate-limited to specified rate. o Absolute and relative (%) rate limiting. o Bits Per Second and Packets Per Second rate limiting. 2. Supported Scheduling Class Bind Options: • Bind a Tx queue to a specified traffic scheduling class. • Bind a PF/VF to a specified traffic scheduling class. • Bind an individual connection to a specified traffic scheduling class. 3 Efficient Performance™ Chelsio Confidential, 2016

  4. Chelsio T5/T6 Offload for TC Currently supported u32 Offload: • Match packets based on supported IPv4/IPv6-TCP/UDP fields. • Actions to drop matched packet and redirect matched packet to specified port in hardware. 4 Efficient Performance™ Chelsio Confidential, 2016

  5. Chelsio T5/T6 Offload for TC • Supported Chelsio Terminator 5 10G/40G Series: o T580-OCP-SO o T580-LP-CR o T580-SO-CR o T580-CR o T540-CR o T520-OCP-SO o T520-LL-CR o T520-SO-CR o T520-CR o T520-BT • Support for next generation Chelsio Terminator 6 10G/25G/40G/50G/100G series will be made available soon. 5 Efficient Performance™ Chelsio Confidential, 2016

  6. Chelsio T5/T6 Offload for TC Future Plan / Outstanding Challenges: • u32 Offload: Match based on Ethernet header fields, Inner and Outer VLAN fields, Encapsulated Packets o (GENEVE, VXLAN, etc.), PF/VF. Action to rewrite headers of matched packets. o Fetch statistics of filters hit in hardware. o • Tx Traffic Management Offload: Support to offload appropriate traffic classes to underlying hardware. o  Absolute vs relative (%) rate limit with respect to underlying link speed.  Bits Per Second vs Packets Per Second rate limit.  Rate limit based on weights in a round robin manner. Per-Flow rate limiting: If a class is rate limited to 10 Mbps and if there are 5 connections o bound to it, each connection gets rate-limited to 10 Mbps, instead of 2 Mbps each. Per-Channel rate limiting: All flows going through the specified port get rate limited. o Ability to perform rate limiting on PF/VF. o 6 Efficient Performance™ Chelsio Confidential, 2016

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