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authorNathan Skrzypczak <nathan.skrzypczak@gmail.com>2022-03-23 18:08:53 +0100
committerDamjan Marion <dmarion@me.com>2022-03-23 18:29:08 +0000
commite2d0c6e51ed29949260ae89c1a69cec39a14048f (patch)
tree7631a92c7905148c3edcc24da9d6a65e2604bb12 /src
parent8e0af7a7ffb0d6208c91e74eeaa0e46f3ac29026 (diff)
ip: Add unformat for flow_hash_config
Type: improvement This also makes the is_white_space function public Change-Id: Ifc1c0d4509f3ecae14f09bb5fa7a2eea33c49b09 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
Diffstat (limited to 'src')
-rw-r--r--src/vnet/ip/lookup.c36
-rw-r--r--src/vnet/ip/lookup.h2
-rw-r--r--src/vppinfra/format.h16
-rw-r--r--src/vppinfra/unformat.c16
4 files changed, 53 insertions, 17 deletions
diff --git a/src/vnet/ip/lookup.c b/src/vnet/ip/lookup.c
index c2c4bae5041..92310e418c2 100644
--- a/src/vnet/ip/lookup.c
+++ b/src/vnet/ip/lookup.c
@@ -128,6 +128,42 @@ format_ip_flow_hash_config (u8 * s, va_list * args)
return s;
}
+uword
+unformat_ip_flow_hash_config (unformat_input_t *input, va_list *args)
+{
+ flow_hash_config_t *flow_hash_config = va_arg (*args, flow_hash_config_t *);
+ uword start_index = unformat_check_input (input);
+ int matched_once = 0;
+
+ if (unformat (input, "default"))
+ {
+ *flow_hash_config = IP_FLOW_HASH_DEFAULT;
+ return 1;
+ }
+ while (!unformat_is_eof (input) &&
+ !is_white_space (unformat_peek_input (input)))
+ {
+ if (unformat (input, "%_,"))
+ ;
+#define _(a, b) \
+ else if (unformat (input, "%_" #a)) \
+ { \
+ *flow_hash_config |= b; \
+ matched_once = 1; \
+ }
+ foreach_flow_hash_bit_v1
+#undef _
+ else
+ {
+ /* Roll back to our start */
+ input->index = start_index;
+ return 0;
+ }
+ }
+
+ return matched_once;
+}
+
u8 *
format_ip_adjacency_packet_data (u8 * s, va_list * args)
{
diff --git a/src/vnet/ip/lookup.h b/src/vnet/ip/lookup.h
index 48ba468d7c2..aa998273213 100644
--- a/src/vnet/ip/lookup.h
+++ b/src/vnet/ip/lookup.h
@@ -162,7 +162,7 @@ typedef struct ip_lookup_main_t
} ip_lookup_main_t;
u8 *format_ip_flow_hash_config (u8 * s, va_list * args);
-
+uword unformat_ip_flow_hash_config (unformat_input_t *input, va_list *args);
always_inline void
ip_lookup_set_buffer_fib_index (u32 * fib_index_by_sw_if_index,
diff --git a/src/vppinfra/format.h b/src/vppinfra/format.h
index ee47a2099c2..2cd636d0be8 100644
--- a/src/vppinfra/format.h
+++ b/src/vppinfra/format.h
@@ -200,6 +200,22 @@ unformat_put_input (unformat_input_t * input)
input->index -= 1;
}
+always_inline uword
+is_white_space (uword c)
+{
+ switch (c)
+ {
+ case ' ':
+ case '\t':
+ case '\n':
+ case '\r':
+ return 1;
+
+ default:
+ return 0;
+ }
+}
+
/* Peek current input character without advancing. */
always_inline uword
unformat_peek_input (unformat_input_t * input)
diff --git a/src/vppinfra/unformat.c b/src/vppinfra/unformat.c
index 0f6da4fd3b9..3904b450f48 100644
--- a/src/vppinfra/unformat.c
+++ b/src/vppinfra/unformat.c
@@ -70,22 +70,6 @@ _unformat_fill_input (unformat_input_t * i)
return i->index;
}
-always_inline uword
-is_white_space (uword c)
-{
- switch (c)
- {
- case ' ':
- case '\t':
- case '\n':
- case '\r':
- return 1;
-
- default:
- return 0;
- }
-}
-
/* Format function for dumping input stream. */
__clib_export u8 *
format_unformat_error (u8 * s, va_list * va)