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lacp: add actor steady state check prior to skip processing lacp pdu

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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: I4e4f81dfd4e95433879ee66cdf6edb8d8afbe9b0
This commit is contained in:
Steven Luong
2019-10-25 09:52:19 -07:00
committed by Andrew Yourtchenko
parent dfad269860
commit 8427de5ab1
4 changed files with 48 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/plugins/lacp/input.c
View File

@ -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);

4
src/plugins/lacp/protocol.h
View File

@ -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),

14
src/vnet/bonding/cli.c
View File

@ -47,7 +47,6 @@ bond_disable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif)
bif->is_local_numa = 0;
}
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,
@ -114,10 +113,12 @@ bond_enable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif)
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)
{
hash_set (bif->active_slave_by_sw_if_index, sif->sw_if_index,
sif->sw_if_index);
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))
@ -153,19 +154,16 @@ bond_enable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif)
break;
vec_del1 (bif->active_slaves, 0);
hash_unset (bif->active_slave_by_sw_if_index, p);
vec_add1 (bif->active_slaves, p);
hash_set (bif->active_slave_by_sw_if_index, p, p);
}
bif->sw_if_index_working = sif->sw_if_index;
bif->is_local_numa = 1;
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);
if (bif->mode == BOND_MODE_LACP)

3
src/vnet/bonding/node.h
View File

@ -183,9 +183,6 @@ 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;