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authorMohsin Kazmi <sykazmi@cisco.com>2021-02-10 11:26:24 +0100
committerDamjan Marion <dmarion@me.com>2021-02-15 20:32:56 +0000
commit6809538e646bf86c000dc1faba60b0a4157ad898 (patch)
tree18a228b96226932381f15e44b4972636de1c7fe1 /extras/pg
parent99c6dc6a7a36c0be95da9afb3ad8830b24754d4e (diff)
vlib: refactor checksum offload support
Type: refactor This patch refactors the offload flags in vlib_buffer_t. There are two main reasons behind this refactoring. First, offload flags are insufficient to represent outer and inner headers offloads. Second, room for these flags in first cacheline of vlib_buffer_t is also limited. This patch introduces a generic offload flag in first cacheline. And detailed offload flags in 2nd cacheline of the structure for performance optimization. Change-Id: Icc363a142fb9208ec7113ab5bbfc8230181f6004 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'extras/pg')
-rw-r--r--extras/pg/checksum_offload.pg3
1 files changed, 2 insertions, 1 deletions
diff --git a/extras/pg/checksum_offload.pg b/extras/pg/checksum_offload.pg
index a2e3205a21e..bfbdad66891 100644
--- a/extras/pg/checksum_offload.pg
+++ b/extras/pg/checksum_offload.pg
@@ -15,7 +15,8 @@ packet-generator new {
interface loop0
tx-interface loop1
node loop1-output
- buffer-flags ip4 offload-ip-cksum offload-udp-cksum
+ buffer-flags ip4 offload
+ buffer-offload-flags offload-ip-cksum offload-udp-cksum
data { IP4: 1.2.3 -> 4.5.6
UDP: 11.22.33.44 -> 11.22.34.44
ttl 2 checksum 13