diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2018-11-21 10:46:57 +0100 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2018-11-29 12:33:54 +0000 |
| commit | d40c3e652d487f0f165d5e595864c4ccd464de3b (patch) | |
| tree | 0770a7f93199524fb6fd69f933bf0541ad0baac5 /src | |
| parent | ad1f3e148224bced41afd47b0ab1ed158c07f399 (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.c | 31 | ||||
| -rw-r--r-- | src/plugins/gbp/gbp_contract.h | 4 |
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") |