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authorMohsin Kazmi <sykazmi@cisco.com>2020-08-11 15:00:44 +0200
committerBenoƮt Ganne <bganne@cisco.com>2020-08-14 09:38:58 +0000
commitf382b06febf2b26c37fd384824a1915e16517a2b (patch)
tree0d53d28cbc1b089b45d3add515bea6a298512665 /src/vnet/pg/stream.c
parentc3ed1c99134d063dff03c4babe0ebbf5cc0e8ab2 (diff)
gso: packet coalesce library
Type: feature Change-Id: Ia19d3611e596d9ec47509889b34e8fe793a0ccc3 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/pg/stream.c')
-rw-r--r--src/vnet/pg/stream.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/src/vnet/pg/stream.c b/src/vnet/pg/stream.c
index f09e9a44398..88c89371c6c 100644
--- a/src/vnet/pg/stream.c
+++ b/src/vnet/pg/stream.c
@@ -178,9 +178,26 @@ pg_eth_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
return 0;
}
+void
+pg_interface_enable_disable_coalesce (pg_interface_t * pi, u8 enable,
+ u32 tx_node_index)
+{
+ if (enable)
+ {
+ gro_flow_table_init (&pi->flow_table, 1 /* is_l2 */ ,
+ tx_node_index);
+ pi->coalesce_enabled = 1;
+ }
+ else
+ {
+ pi->coalesce_enabled = 0;
+ gro_flow_table_free (pi->flow_table);
+ }
+}
+
u32
pg_interface_add_or_get (pg_main_t * pg, uword if_id, u8 gso_enabled,
- u32 gso_size)
+ u32 gso_size, u8 coalesce_enabled)
{
vnet_main_t *vnm = vnet_get_main ();
vlib_main_t *vm = vlib_get_main ();
@@ -219,6 +236,10 @@ pg_interface_add_or_get (pg_main_t * pg, uword if_id, u8 gso_enabled,
hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO;
pi->gso_enabled = 1;
pi->gso_size = gso_size;
+ if (coalesce_enabled)
+ {
+ pg_interface_enable_disable_coalesce (pi, 1, hi->tx_node_index);
+ }
}
pi->sw_if_index = hi->sw_if_index;
@@ -454,7 +475,7 @@ pg_stream_add (pg_main_t * pg, pg_stream_t * s_init)
/* Find an interface to use. */
s->pg_if_index =
pg_interface_add_or_get (pg, s->if_id, 0 /* gso_enabled */ ,
- 0 /* gso_size */ );
+ 0 /* gso_size */ , 0 /* coalesce_enabled */ );
if (s->sw_if_index[VLIB_RX] == ~0)
{