diff options
| author |   Klement Sekera <ksekera@cisco.com> | 2019-06-25 11:19:22 +0000 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2019-09-26 14:12:07 +0000 |
| commit | de34c35fc73226943538149fae9dbc5cfbdc6e75 (patch) | |
| tree | ab354210305403bc29a3effc7c002f947422cb9f /src/vnet/buffer.h | |
| parent | 33538a15087eea7c994b6f3d8a952c4b6ea98ee4 (diff) | |
ip: add shallow virtual reassembly functionality
Type: feature
Change-Id: Ibc8334e26c7e6f6120696c3e313b6e11d73dab99
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Diffstat (limited to 'src/vnet/buffer.h')
| -rw-r--r-- | src/vnet/buffer.h | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/src/vnet/buffer.h b/src/vnet/buffer.h index 5a3bc3fc279..708e399047d 100644 --- a/src/vnet/buffer.h +++ b/src/vnet/buffer.h @@ -185,13 +185,40 @@ typedef struct /* reassembly */ union { - /* in/out variables */ + /* group input/handoff as handoff is done before input is consumed, + * this way we can handoff while keeping input variables intact */ struct { - u32 next_index; /* index of next node - used by custom apps */ - u32 error_next_index; /* index of next node if error - used by custom apps */ - u16 estimated_mtu; /* estimated MTU calculated during reassembly */ - u16 owner_thread_index; + /* input variables */ + struct + { + u32 next_index; /* index of next node - used by custom apps */ + u32 error_next_index; /* index of next node if error - used by custom apps */ + }; + /* handoff variables */ + struct + { + u16 owner_thread_index; + }; + }; + /* output variables */ + struct + { + union + { + /* shallow virtual reassembly output variables */ + struct + { + u8 ip_proto; /* protocol in ip header */ + u16 l4_src_port; /* tcp/udp/icmp src port */ + u16 l4_dst_port; /* tcp/udp/icmp dst port */ + }; + /* full reassembly output variables */ + struct + { + u16 estimated_mtu; /* estimated MTU calculated during reassembly */ + }; + }; }; /* internal variables used during reassembly */ struct @@ -202,11 +229,9 @@ typedef struct u16 range_last; u32 next_range_bi; u16 ip6_frag_hdr_offset; - u16 owner_feature_thread_index; }; } reass; }; - } ip; /* |