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authorMohsin Kazmi <sykazmi@cisco.com>2018-11-21 10:46:57 +0100
committerNeale Ranns <nranns@cisco.com>2018-11-29 12:33:54 +0000
commitd40c3e652d487f0f165d5e595864c4ccd464de3b (patch)
tree0770a7f93199524fb6fd69f933bf0541ad0baac5 /src
parentad1f3e148224bced41afd47b0ab1ed158c07f399 (diff)
gbp: Add support for flow hash profile
Change-Id: Ibea87f21b3403045cc0d865903b94396fe670e79 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src')
-rw-r--r--src/plugins/gbp/gbp_contract.c31
-rw-r--r--src/plugins/gbp/gbp_contract.h4
2 files changed, 27 insertions, 8 deletions
diff --git a/src/plugins/gbp/gbp_contract.c b/src/plugins/gbp/gbp_contract.c
index ec545693dd3..ee12a760f4b 100644
--- a/src/plugins/gbp/gbp_contract.c
+++ b/src/plugins/gbp/gbp_contract.c
@@ -48,6 +48,7 @@ gbp_rule_alloc (gbp_rule_action_t action,
pool_get_zero (gbp_rule_pool, gu);
+ gu->gu_hash_mode = hash_mode;
gu->gu_nhs = nhs;
gu->gu_action = action;
@@ -158,9 +159,9 @@ format_gbp_rule_action (u8 * s, va_list * args)
static u8 *
format_gbp_hash_mode (u8 * s, va_list * args)
{
- gbp_hash_mode_t action = va_arg (*args, gbp_hash_mode_t);
+ gbp_hash_mode_t hash_mode = va_arg (*args, gbp_hash_mode_t);
- switch (action)
+ switch (hash_mode)
{
#define _(v,a) case GBP_HASH_MODE_##v: return (format (s, "%s", a));
foreach_gbp_hash_mode
@@ -261,6 +262,23 @@ gbp_contract_mk_adj (gbp_next_hop_t * gnh, fib_protocol_t fproto)
adj_unlock (old_ai);
}
+static flow_hash_config_t
+gbp_contract_mk_lb_hp (gbp_hash_mode_t gu_hash_mode)
+{
+ switch (gu_hash_mode)
+ {
+ case GBP_HASH_MODE_SRC_IP:
+ return IP_FLOW_HASH_SRC_ADDR;
+ case GBP_HASH_MODE_DST_IP:
+ return IP_FLOW_HASH_DST_ADDR;
+ case GBP_HASH_MODE_SYMMETRIC:
+ return (IP_FLOW_HASH_SRC_ADDR | IP_FLOW_HASH_DST_ADDR |
+ IP_FLOW_HASH_PROTO | IP_FLOW_HASH_SYMMETRIC);
+ }
+
+ return 0;
+}
+
static void
gbp_contract_mk_lb (index_t gui, fib_protocol_t fproto)
{
@@ -307,16 +325,17 @@ gbp_contract_mk_lb (index_t gui, fib_protocol_t fproto)
dproto, gnh->gnh_ai[fproto]);
}
- // FIXME get algo and sticky bit from contract LB algo
if (!dpo_id_is_valid (&gu->gu_dpo[pnode][fproto]))
{
dpo_id_t dpo = DPO_INVALID;
dpo_set (&dpo, DPO_LOAD_BALANCE, dproto,
load_balance_create (vec_len (paths),
- dproto, IP_FLOW_HASH_DEFAULT));
- dpo_stack_from_node (policy_nodes[pnode],
- &gu->gu_dpo[pnode][fproto], &dpo);
+ dproto,
+ gbp_contract_mk_lb_hp
+ (gu->gu_hash_mode)));
+ dpo_stack_from_node (policy_nodes[pnode], &gu->gu_dpo[pnode][fproto],
+ &dpo);
dpo_reset (&dpo);
}
diff --git a/src/plugins/gbp/gbp_contract.h b/src/plugins/gbp/gbp_contract.h
index 21e7265a82f..bd7d8339e21 100644
--- a/src/plugins/gbp/gbp_contract.h
+++ b/src/plugins/gbp/gbp_contract.h
@@ -50,8 +50,8 @@ typedef struct gbp_next_hop_t_
index_t gnh_ai[FIB_PROTOCOL_IP_MAX];
} gbp_next_hop_t;
-#define foreach_gbp_hash_mode \
- _(SRC_IP, "src-ip") \
+#define foreach_gbp_hash_mode \
+ _(SRC_IP, "src-ip") \
_(DST_IP, "dst-ip") \
_(SYMMETRIC, "symmetric")