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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 /src/vnet/interface_format.c
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 'src/vnet/interface_format.c')
-rw-r--r--src/vnet/interface_format.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/src/vnet/interface_format.c b/src/vnet/interface_format.c
index dc2edff7c67..036ca53174c 100644
--- a/src/vnet/interface_format.c
+++ b/src/vnet/interface_format.c
@@ -722,7 +722,7 @@ unformat_vnet_buffer_flags (unformat_input_t * input, va_list * args)
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
/* Red herring, there is no such buffer flag */
- if (unformat (input, "avail8"))
+ if (unformat (input, "avail10"))
return 0;
#define _(bit,enum,str,verbose) \
else if (unformat (input, str)) \
@@ -741,6 +741,32 @@ unformat_vnet_buffer_flags (unformat_input_t * input, va_list * args)
}
uword
+unformat_vnet_buffer_offload_flags (unformat_input_t *input, va_list *args)
+{
+ u32 *flagp = va_arg (*args, u32 *);
+ int rv = 0;
+ u32 oflags = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (0)
+ ;
+#define _(bit, enum, str, verbose) \
+ else if (unformat (input, str)) \
+ { \
+ oflags |= (1 << bit); \
+ rv = 1; \
+ }
+ foreach_vnet_buffer_offload_flag
+#undef _
+ else break;
+ }
+ if (rv)
+ *flagp = oflags;
+ return rv;
+}
+
+uword
unformat_vnet_hw_interface (unformat_input_t * input, va_list * args)
{
vnet_main_t *vnm = va_arg (*args, vnet_main_t *);