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authorAndrew Yourtchenko <ayourtch@gmail.com>2018-10-24 20:51:30 +0200
committerAndrew Yourtchenko <ayourtch@gmail.com>2018-10-24 21:21:19 +0200
commita6386d4ec41ed1ba14007a2e1a006f2d1533e0e0 (patch)
treeb05d919e6b0753a15eec0ad5a0eaf13fb797b8fc
parenta0f0c964049d16155a49ef4cf986a16c34acfaec (diff)
acl-plugin: introduce a format function for l4 session key
Abstracting out the internal format function for L4 session key type makes the other acl plugin format/print functions more maintainable. Change-Id: Ica1302263a42981555462b5338d18d9a9f9c8342 Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
-rw-r--r--src/plugins/acl/dataplane_node.c51
-rw-r--r--src/plugins/acl/fa_node.h11
-rw-r--r--src/plugins/acl/sess_mgmt_node.c63
3 files changed, 77 insertions, 48 deletions
diff --git a/src/plugins/acl/dataplane_node.c b/src/plugins/acl/dataplane_node.c
index fef355138e0..53176fdd2c5 100644
--- a/src/plugins/acl/dataplane_node.c
+++ b/src/plugins/acl/dataplane_node.c
@@ -630,31 +630,38 @@ static u8 *
format_fa_5tuple (u8 * s, va_list * args)
{
fa_5tuple_t *p5t = va_arg (*args, fa_5tuple_t *);
+ void *paddr0;
+ void *paddr1;
+ void *format_address_func;
+ void *ip_af;
+ void *ip_frag_txt =
+ p5t->pkt.is_nonfirst_fragment ? " non-initial fragment" : "";
if (p5t->pkt.is_ip6)
- return format (s, "lc_index %d (lsb16 of sw_if_index %d) l3 %s%s %U -> %U"
- " l4 proto %d l4_valid %d port %d -> %d tcp flags (%s) %02x rsvd %x",
- p5t->pkt.lc_index, p5t->l4.lsb_of_sw_if_index,
- "ip6",
- p5t->
- pkt.is_nonfirst_fragment ? " non-initial fragment" : "",
- format_ip6_address, &p5t->ip6_addr[0], format_ip6_address,
- &p5t->ip6_addr[1], p5t->l4.proto, p5t->pkt.l4_valid,
- p5t->l4.port[0], p5t->l4.port[1],
- p5t->pkt.tcp_flags_valid ? "valid" : "invalid",
- p5t->pkt.tcp_flags, p5t->pkt.flags_reserved);
+ {
+ ip_af = "ip6";
+ format_address_func = format_ip6_address;
+ paddr0 = &p5t->ip6_addr[0];
+ paddr1 = &p5t->ip6_addr[1];
+ }
else
- return format (s, "lc_index %d (lsb16 of sw_if_index %d) l3 %s%s %U -> %U"
- " l4 proto %d l4_valid %d port %d -> %d tcp flags (%s) %02x rsvd %x",
- p5t->pkt.lc_index, p5t->l4.lsb_of_sw_if_index,
- "ip4",
- p5t->
- pkt.is_nonfirst_fragment ? " non-initial fragment" : "",
- format_ip4_address, &p5t->ip4_addr[0], format_ip4_address,
- &p5t->ip4_addr[1], p5t->l4.proto, p5t->pkt.l4_valid,
- p5t->l4.port[0], p5t->l4.port[1],
- p5t->pkt.tcp_flags_valid ? "valid" : "invalid",
- p5t->pkt.tcp_flags, p5t->pkt.flags_reserved);
+ {
+ ip_af = "ip4";
+ format_address_func = format_ip4_address;
+ paddr0 = &p5t->ip4_addr[0];
+ paddr1 = &p5t->ip4_addr[1];
+ }
+
+ s =
+ format (s, "lc_index %d l3 %s%s ", p5t->pkt.lc_index, ip_af, ip_frag_txt);
+ s =
+ format (s, "%U -> %U ", format_address_func, paddr0, format_address_func,
+ paddr1);
+ s = format (s, "%U ", format_fa_session_l4_key, &p5t->l4);
+ s = format (s, "tcp flags (%s) %02x rsvd %x",
+ p5t->pkt.tcp_flags_valid ? "valid" : "invalid",
+ p5t->pkt.tcp_flags, p5t->pkt.flags_reserved);
+ return s;
}
#ifndef CLIB_MARCH_VARIANT
diff --git a/src/plugins/acl/fa_node.h b/src/plugins/acl/fa_node.h
index 74b71b93cd9..57e102703d5 100644
--- a/src/plugins/acl/fa_node.h
+++ b/src/plugins/acl/fa_node.h
@@ -79,6 +79,17 @@ typedef union {
};
} fa_5tuple_t;
+static_always_inline u8 *
+format_fa_session_l4_key(u8 * s, va_list * args)
+{
+ fa_session_l4_key_t *l4 = va_arg (*args, fa_session_l4_key_t *);
+
+ return (format (s, "l4 lsb_of_sw_if_index %d proto %d l4_is_input %d l4_slow_path %d reserved0 0x%02x port %d -> %d",
+ l4->lsb_of_sw_if_index,
+ l4->proto, l4->is_input, l4->is_slowpath,
+ l4->reserved0, l4->port[0], l4->port[1]));
+}
+
typedef struct {
fa_5tuple_t info; /* (5+1)*8 = 48 bytes */
u64 last_active_time; /* +8 bytes = 56 */
diff --git a/src/plugins/acl/sess_mgmt_node.c b/src/plugins/acl/sess_mgmt_node.c
index a6c5e8049d6..7da6da4c56f 100644
--- a/src/plugins/acl/sess_mgmt_node.c
+++ b/src/plugins/acl/sess_mgmt_node.c
@@ -30,44 +30,55 @@
#include <plugins/acl/public_inlines.h>
#include <plugins/acl/session_inlines.h>
-static u8 *
-format_ip6_session_bihash_kv (u8 * s, va_list * args)
+
+
+static_always_inline u8 *
+format_ip46_session_bihash_kv (u8 * s, va_list * args, int is_ip6)
{
- clib_bihash_kv_40_8_t *kv_40_8 = va_arg (*args, clib_bihash_kv_40_8_t *);
fa_5tuple_t a5t;
+ void *paddr0;
+ void *paddr1;
+ void *format_addr_func;
+
+ if (is_ip6)
+ {
+ clib_bihash_kv_40_8_t *kv_40_8 =
+ va_arg (*args, clib_bihash_kv_40_8_t *);
+ a5t.kv_40_8 = *kv_40_8;
+ paddr0 = &a5t.ip6_addr[0];
+ paddr1 = &a5t.ip6_addr[1];
+ format_addr_func = format_ip6_address;
+ }
+ else
+ {
+ clib_bihash_kv_16_8_t *kv_16_8 =
+ va_arg (*args, clib_bihash_kv_16_8_t *);
+ a5t.kv_16_8 = *kv_16_8;
+ paddr0 = &a5t.ip4_addr[0];
+ paddr1 = &a5t.ip4_addr[1];
+ format_addr_func = format_ip4_address;
+ }
- a5t.kv_40_8 = *kv_40_8;
fa_full_session_id_t *sess = (fa_full_session_id_t *) & a5t.pkt;
- return (format (s, "l3 %U -> %U"
- " l4 lsb_of_sw_if_index %d proto %d l4_is_input %d l4_slow_path %d l4_reserved0 %d port %d -> %d | sess id %d thread id %d epoch %04x",
- format_ip6_address, &a5t.ip6_addr[0],
- format_ip6_address, &a5t.ip6_addr[1],
- a5t.l4.lsb_of_sw_if_index,
- a5t.l4.proto, a5t.l4.is_input, a5t.l4.is_slowpath,
- a5t.l4.reserved0, a5t.l4.port[0], a5t.l4.port[1],
+ return (format (s, "l3 %U -> %U %U | sess id %d thread id %d epoch %04x",
+ format_addr_func, paddr0,
+ format_addr_func, paddr1,
+ format_fa_session_l4_key, &a5t.l4,
sess->session_index, sess->thread_index,
sess->intf_policy_epoch));
}
static u8 *
-format_ip4_session_bihash_kv (u8 * s, va_list * args)
+format_ip6_session_bihash_kv (u8 * s, va_list * args)
{
- clib_bihash_kv_16_8_t *kv_16_8 = va_arg (*args, clib_bihash_kv_16_8_t *);
- fa_5tuple_t a5t;
-
- a5t.kv_16_8 = *kv_16_8;
- fa_full_session_id_t *sess = (fa_full_session_id_t *) & a5t.pkt;
+ return format_ip46_session_bihash_kv (s, args, 1);
+}
- return (format (s, "l3 %U -> %U"
- " l4 lsb_of_sw_if_index %d proto %d l4_is_input %d l4_slow_path %d l4_reserved0 %d port %d -> %d | sess id %d thread id %d epoch %04x",
- format_ip4_address, &a5t.ip4_addr[0],
- format_ip4_address, &a5t.ip4_addr[1],
- a5t.l4.lsb_of_sw_if_index,
- a5t.l4.proto, a5t.l4.is_input, a5t.l4.is_slowpath,
- a5t.l4.reserved0, a5t.l4.port[0], a5t.l4.port[1],
- sess->session_index, sess->thread_index,
- sess->intf_policy_epoch));
+static u8 *
+format_ip4_session_bihash_kv (u8 * s, va_list * args)
+{
+ return format_ip46_session_bihash_kv (s, args, 0);
}