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authorDamjan Marion <damarion@cisco.com>2019-03-26 13:16:42 +0100
committerDamjan Marion <dmarion@me.com>2019-03-27 12:40:18 +0000
commitd709cbcb1ef80633af657c5427608831e5bbd919 (patch)
treecb389257174014b546e32cb3a6ab15df781703d8 /src/vnet/ipsec/ipsec_sa.c
parentfbf278adc2fa5ffd1671fb9f91eb03d6d0dc5a9e (diff)
ipsec: compress ipsec_sa_t so data used by dataplane code fits in cacheline
Change-Id: I81ecdf9fdcfcb017117b47dc031f93208e004d7c Signed-off-by: Damjan Marion <damarion@cisco.com> Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/ipsec/ipsec_sa.c')
-rw-r--r--src/vnet/ipsec/ipsec_sa.c40
1 files changed, 21 insertions, 19 deletions
diff --git a/src/vnet/ipsec/ipsec_sa.c b/src/vnet/ipsec/ipsec_sa.c
index 3e29c0406e3..3d62395bd7c 100644
--- a/src/vnet/ipsec/ipsec_sa.c
+++ b/src/vnet/ipsec/ipsec_sa.c
@@ -73,17 +73,18 @@ ipsec_sa_stack (ipsec_sa_t * sa)
fib_forward_chain_type_t fct;
dpo_id_t tmp = DPO_INVALID;
- fct = fib_forw_chain_type_from_fib_proto ((sa->is_tunnel_ip6 ?
- FIB_PROTOCOL_IP6 :
- FIB_PROTOCOL_IP4));
+ fct =
+ fib_forw_chain_type_from_fib_proto ((ipsec_sa_is_set_IS_TUNNEL_V6 (sa) ?
+ FIB_PROTOCOL_IP6 :
+ FIB_PROTOCOL_IP4));
fib_entry_contribute_forwarding (sa->fib_entry_index, fct, &tmp);
- dpo_stack_from_node ((sa->is_tunnel_ip6 ?
+ dpo_stack_from_node ((ipsec_sa_is_set_IS_TUNNEL_V6 (sa) ?
im->ah6_encrypt_node_index :
im->ah4_encrypt_node_index),
&sa->dpo[IPSEC_PROTOCOL_AH], &tmp);
- dpo_stack_from_node ((sa->is_tunnel_ip6 ?
+ dpo_stack_from_node ((ipsec_sa_is_set_IS_TUNNEL_V6 (sa) ?
im->esp6_encrypt_node_index :
im->esp4_encrypt_node_index),
&sa->dpo[IPSEC_PROTOCOL_ESP], &tmp);
@@ -135,7 +136,7 @@ ipsec_sa_add (u32 id,
if (p)
return VNET_API_ERROR_ENTRY_ALREADY_EXISTS;
- pool_get_zero (im->sad, sa);
+ pool_get_aligned_zero (im->sad, sa, CLIB_CACHE_LINE_BYTES);
fib_node_init (&sa->node, FIB_NODE_TYPE_IPSEC_SA);
sa_index = sa - im->sad;
@@ -155,15 +156,15 @@ ipsec_sa_add (u32 id,
ip46_address_copy (&sa->tunnel_dst_addr, tun_dst);
if (flags & IPSEC_SA_FLAG_USE_EXTENDED_SEQ_NUM)
- sa->use_esn = 1;
+ ipsec_sa_set_USE_EXTENDED_SEQ_NUM (sa);
if (flags & IPSEC_SA_FLAG_USE_ANTI_REPLAY)
- sa->use_anti_replay = 1;
+ ipsec_sa_set_USE_ANTI_REPLAY (sa);
if (flags & IPSEC_SA_FLAG_IS_TUNNEL)
- sa->is_tunnel = 1;
+ ipsec_sa_set_IS_TUNNEL (sa);
if (flags & IPSEC_SA_FLAG_IS_TUNNEL_V6)
- sa->is_tunnel_ip6 = 1;
+ ipsec_sa_set_IS_TUNNEL_V6 (sa);
if (flags & IPSEC_SA_FLAG_UDP_ENCAP)
- sa->udp_encap = 1;
+ ipsec_sa_set_UDP_ENCAP (sa);
err = ipsec_check_support_cb (im, sa);
if (err)
@@ -180,13 +181,13 @@ ipsec_sa_add (u32 id,
return VNET_API_ERROR_SYSCALL_ERROR_1;
}
- if (sa->is_tunnel)
+ if (ipsec_sa_is_set_IS_TUNNEL (sa))
{
- fib_protocol_t fproto = (sa->is_tunnel_ip6 ?
+ fib_protocol_t fproto = (ipsec_sa_is_set_IS_TUNNEL_V6 (sa) ?
FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4);
fib_prefix_t pfx = {
.fp_addr = sa->tunnel_dst_addr,
- .fp_len = (sa->is_tunnel_ip6 ? 128 : 32),
+ .fp_len = (ipsec_sa_is_set_IS_TUNNEL_V6 (sa) ? 128 : 32),
.fp_proto = fproto,
};
sa->tx_fib_index = fib_table_find (fproto, tx_table_id);
@@ -205,7 +206,7 @@ ipsec_sa_add (u32 id,
ipsec_sa_stack (sa);
/* generate header templates */
- if (sa->is_tunnel_ip6)
+ if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa))
{
sa->ip6_hdr.ip_version_traffic_class_and_flow_label = 0x60;
sa->ip6_hdr.hop_limit = 254;
@@ -217,7 +218,7 @@ ipsec_sa_add (u32 id,
sa->tunnel_dst_addr.ip6.as_u64[0];
sa->ip6_hdr.dst_address.as_u64[1] =
sa->tunnel_dst_addr.ip6.as_u64[1];
- if (sa->udp_encap)
+ if (ipsec_sa_is_set_UDP_ENCAP (sa))
sa->ip6_hdr.protocol = IP_PROTOCOL_UDP;
else
sa->ip6_hdr.protocol = IP_PROTOCOL_IPSEC_ESP;
@@ -229,7 +230,7 @@ ipsec_sa_add (u32 id,
sa->ip4_hdr.src_address.as_u32 = sa->tunnel_src_addr.ip4.as_u32;
sa->ip4_hdr.dst_address.as_u32 = sa->tunnel_dst_addr.ip4.as_u32;
- if (sa->udp_encap)
+ if (ipsec_sa_is_set_UDP_ENCAP (sa))
sa->ip4_hdr.protocol = IP_PROTOCOL_UDP;
else
sa->ip4_hdr.protocol = IP_PROTOCOL_IPSEC_ESP;
@@ -237,7 +238,7 @@ ipsec_sa_add (u32 id,
}
}
- if (sa->udp_encap)
+ if (ipsec_sa_is_set_UDP_ENCAP (sa))
{
sa->udp_hdr.src_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec);
sa->udp_hdr.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_ipsec);
@@ -277,7 +278,8 @@ ipsec_sa_del (u32 id)
err = ipsec_call_add_del_callbacks (im, sa, sa_index, 0);
if (err)
return VNET_API_ERROR_SYSCALL_ERROR_1;
- if (sa->is_tunnel)
+
+ if (ipsec_sa_is_set_IS_TUNNEL (sa))
{
fib_entry_child_remove (sa->fib_entry_index, sa->sibling);
fib_table_entry_special_remove