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authorSteven Luong <sluong@cisco.com>2019-10-22 21:27:22 -0700
committerDamjan Marion <dmarion@me.com>2019-10-24 08:57:19 +0000
commit002723c45b042a270e0ab521b4b88da3d2d7ef55 (patch)
tree1a7bb8d495307b848d8befa59aea942990458cd8
parent7331005c16d0e1499080899b2a0676a0cd945595 (diff)
lacp: add actor steady state check prior to skip processing lacp pdu
In a rare event, we may be skipping processing lacp pdu's when the it is not in steady state. Type: fix Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: I3595d22dbff8a97dce9fb4d4452d2051bcf6f523
-rw-r--r--src/plugins/lacp/input.c4
-rw-r--r--src/plugins/lacp/protocol.h4
-rw-r--r--src/vnet/bonding/cli.c49
-rw-r--r--src/vnet/bonding/node.h3
4 files changed, 31 insertions, 29 deletions
diff --git a/src/plugins/lacp/input.c b/src/plugins/lacp/input.c
index ef7cca9c442..befb2ed408b 100644
--- a/src/plugins/lacp/input.c
+++ b/src/plugins/lacp/input.c
@@ -142,7 +142,6 @@ lacp_input (vlib_main_t * vm, vlib_buffer_t * b0, u32 bi0)
lacp_error_t e;
marker_pdu_t *marker;
uword last_packet_signature;
- bond_if_t *bif;
sif =
bond_get_slave_by_sw_if_index (vnet_buffer (b0)->sw_if_index[VLIB_RX]);
@@ -203,10 +202,9 @@ lacp_input (vlib_main_t * vm, vlib_buffer_t * b0, u32 bi0)
last_packet_signature =
hash_memory (sif->last_rx_pkt, vec_len (sif->last_rx_pkt), 0xd00b);
- bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
if (sif->last_packet_signature_valid &&
(sif->last_packet_signature == last_packet_signature) &&
- hash_get (bif->active_slave_by_sw_if_index, sif->sw_if_index))
+ ((sif->actor.state & LACP_STEADY_STATE) == LACP_STEADY_STATE))
{
lacp_start_current_while_timer (lm->vlib_main, sif,
sif->ttl_in_seconds);
diff --git a/src/plugins/lacp/protocol.h b/src/plugins/lacp/protocol.h
index 9fc2f35fd38..347e944f95e 100644
--- a/src/plugins/lacp/protocol.h
+++ b/src/plugins/lacp/protocol.h
@@ -61,6 +61,10 @@ typedef enum
_(6, DEFAULTED, "defaulted") \
_(7, EXPIRED, "expired")
+#define LACP_STEADY_STATE (LACP_STATE_SYNCHRONIZATION | \
+ LACP_STATE_COLLECTING | \
+ LACP_STATE_DISTRIBUTING)
+
typedef enum
{
#define _(a, b, c) LACP_STATE_##b = (1 << a),
diff --git a/src/vnet/bonding/cli.c b/src/vnet/bonding/cli.c
index 9687e8841fe..ba481756086 100644
--- a/src/vnet/bonding/cli.c
+++ b/src/vnet/bonding/cli.c
@@ -43,7 +43,6 @@ bond_disable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif)
/* deleting the active slave for active-backup */
switching_active = 1;
vec_del1 (bif->active_slaves, i);
- hash_unset (bif->active_slave_by_sw_if_index, sif->sw_if_index);
if (sif->lacp_enabled && bif->numa_only)
{
/* For lacp mode, if we check it is a slave on local numa node,
@@ -142,35 +141,39 @@ bond_enable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif)
bond_main_t *bm = &bond_main;
vnet_main_t *vnm = vnet_get_main ();
vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
+ int i;
+ uword p;
bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
clib_spinlock_lock_if_init (&bif->lockp);
- if (!hash_get (bif->active_slave_by_sw_if_index, sif->sw_if_index))
+ vec_foreach_index (i, bif->active_slaves)
+ {
+ p = *vec_elt_at_index (bif->active_slaves, i);
+ if (p == sif->sw_if_index)
+ goto done;
+ }
+
+ if (sif->lacp_enabled && bif->numa_only && (vm->numa_node == hw->numa_node))
{
- hash_set (bif->active_slave_by_sw_if_index, sif->sw_if_index,
- sif->sw_if_index);
+ vec_insert_elts (bif->active_slaves, &sif->sw_if_index, 1,
+ bif->n_numa_slaves);
+ bif->n_numa_slaves++;
+ }
+ else
+ vec_add1 (bif->active_slaves, sif->sw_if_index);
- if ((sif->lacp_enabled && bif->numa_only)
- && (vm->numa_node == hw->numa_node))
- {
- vec_insert_elts (bif->active_slaves, &sif->sw_if_index, 1,
- bif->n_numa_slaves);
- bif->n_numa_slaves++;
- }
+ sif->is_local_numa = (vm->numa_node == hw->numa_node) ? 1 : 0;
+ if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
+ {
+ if (vec_len (bif->active_slaves) == 1)
+ /* First slave becomes active? */
+ vlib_process_signal_event (bm->vlib_main, bond_process_node.index,
+ BOND_SEND_GARP_NA, bif->hw_if_index);
else
- vec_add1 (bif->active_slaves, sif->sw_if_index);
-
- sif->is_local_numa = (vm->numa_node == hw->numa_node) ? 1 : 0;
- if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
- {
- if (vec_len (bif->active_slaves) == 1)
- /* First slave becomes active? */
- vlib_process_signal_event (bm->vlib_main, bond_process_node.index,
- BOND_SEND_GARP_NA, bif->hw_if_index);
- else
- bond_sort_slaves (bif);
- }
+ bond_sort_slaves (bif);
}
+
+done:
clib_spinlock_unlock_if_init (&bif->lockp);
if (bif->mode == BOND_MODE_LACP)
diff --git a/src/vnet/bonding/node.h b/src/vnet/bonding/node.h
index 1479209369a..4c91200ef04 100644
--- a/src/vnet/bonding/node.h
+++ b/src/vnet/bonding/node.h
@@ -188,9 +188,6 @@ typedef struct
/* Slaves that are in DISTRIBUTING state */
u32 *active_slaves;
- /* rapidly find an active slave */
- uword *active_slave_by_sw_if_index;
-
lacp_port_info_t partner;
lacp_port_info_t actor;
u8 individual_aggregator;