From 9ad27550b54ee65648487b6405bb61925ccd3397 Mon Sep 17 00:00:00 2001 From: Steven Luong Date: Wed, 23 Oct 2019 08:35:43 -0700 Subject: 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 Change-Id: I0872c49e10bbd3538398030a2aa0fa4c3b7e9426 --- src/plugins/lacp/input.c | 4 +--- src/plugins/lacp/protocol.h | 4 ++++ src/vnet/bonding/cli.c | 31 ++++++++++++++++++------------- src/vnet/bonding/node.h | 3 --- 4 files changed, 23 insertions(+), 19 deletions(-) diff --git a/src/plugins/lacp/input.c b/src/plugins/lacp/input.c index 8212b119784..5f1753174f6 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 bccbb2c036e..80470d64383 100644 --- a/src/vnet/bonding/cli.c +++ b/src/vnet/bonding/cli.c @@ -42,7 +42,6 @@ bond_disable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif) switching_active = 1; vec_del1 (bif->active_slaves, i); - hash_unset (bif->active_slave_by_sw_if_index, sif->sw_if_index); /* We got a new slave just becoming active? */ if ((vec_len (bif->active_slaves) >= 1) && @@ -60,21 +59,27 @@ bond_enable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif) { bond_if_t *bif; bond_main_t *bm = &bond_main; + 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)) - { - hash_set (bif->active_slave_by_sw_if_index, sif->sw_if_index, - sif->sw_if_index); - vec_add1 (bif->active_slaves, sif->sw_if_index); - - /* First slave becomes active? */ - if ((vec_len (bif->active_slaves) == 1) && - (bif->mode == BOND_MODE_ACTIVE_BACKUP)) - vlib_process_signal_event (bm->vlib_main, bond_process_node.index, - BOND_SEND_GARP_NA, bif->hw_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; + } + + vec_add1 (bif->active_slaves, sif->sw_if_index); + + /* First slave becomes active? */ + if ((vec_len (bif->active_slaves) == 1) && + (bif->mode == BOND_MODE_ACTIVE_BACKUP)) + vlib_process_signal_event (bm->vlib_main, bond_process_node.index, + BOND_SEND_GARP_NA, bif->hw_if_index); + +done: clib_spinlock_unlock_if_init (&bif->lockp); } diff --git a/src/vnet/bonding/node.h b/src/vnet/bonding/node.h index 41e945a05f8..377e57996ed 100644 --- a/src/vnet/bonding/node.h +++ b/src/vnet/bonding/node.h @@ -175,9 +175,6 @@ 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; -- cgit 1.2.3-korg