diff options
Diffstat (limited to 'src/vnet/ip')
| -rw-r--r-- | src/vnet/ip/reass/reassembly.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/vnet/ip/reass/reassembly.rst b/src/vnet/ip/reass/reassembly.rst index d6861ed8a05..49e0a8de6e6 100644 --- a/src/vnet/ip/reass/reassembly.rst +++ b/src/vnet/ip/reass/reassembly.rst @@ -20,14 +20,14 @@ impractical to parse headers which are split over multiple vnet buffers, vnet_buffer_chain_linearize() is called after reassembly so that L2/L3/L4 headers can be found in first buffer. Full reassembly is costly and shouldn't be used unless necessary. Full reassembly is by -default enabled for both ipv4 and ipv6 traffic for "forus" traffic +default enabled for both ipv4 and ipv6 "for us" traffic - that is packets aimed at VPP addresses. This can be disabled via API -if desired, in which case "forus" fragments are dropped. +if desired, in which case "for us" fragments are dropped. 2. Shallow (virtual) reassembly allows various classifying and/or translating features to work with fragments without having to understand fragmentation. It works by extracting L4 data and adding -them to vnet_buffer for each packet/fragment passing throught SVR +them to vnet_buffer for each packet/fragment passing through SVR nodes. This operation is performed for both fragments and regular packets, allowing consuming code to treat all packets in same way. SVR caches incoming packet fragments (buffers) until first fragment is @@ -42,7 +42,7 @@ Multi-worker behaviour Both reassembly types deal with fragments arriving on different workers via handoff mechanism. All reassembly contexts are stored in pools. Bihash mapping 5-tuple key to a value containing pool index and thread -index is used for lookups. When a lookup finds an existing reasembly on +index is used for lookups. When a lookup finds an existing reassembly on a different thread, it hands off the fragment to that thread. If lookup fails, a new reassembly context is created and current worker becomes owner of that context. Further fragments received on other worker @@ -64,7 +64,7 @@ fragments per packet. Custom applications ^^^^^^^^^^^^^^^^^^^ -Both reassembly features allow to be used by custom applicatind which +Both reassembly features allow to be used by custom application which are not part of VPP source tree. Be it patches or 3rd party plugins, they can build their own graph paths by using "-custom*" versions of nodes. Reassembly then reads next_index and error_next_index for each |