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Follow-up work on integration

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This commit is contained in:
Ondrej Zajicek (work) 2015-12-24 15:52:03 +01:00
parent 70b90dde23
commit 04632fd77f
20 changed files with 238 additions and 167 deletions
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108
conf/confbase.Y
View file

@ -41,7 +41,7 @@ CF_DECLS
ip_addr a; ip_addr a;
ip4_addr ip4; ip4_addr ip4;
ip6_addr ip6; ip6_addr ip6;
net_addr_union net; net_addr net;
net_addr *net_ptr; net_addr *net_ptr;
struct symbol *s; struct symbol *s;
char *t; char *t;
@ -76,12 +76,12 @@ CF_DECLS
%token <t> TEXT %token <t> TEXT
%type <iface> ipa_scope %type <iface> ipa_scope
%type <i> expr bool pxlen4 pxlen6 %type <i> expr bool pxlen4
%type <i32> expr_us %type <i32> expr_us
%type <time> datetime %type <time> datetime
%type <a> ipa ipa_raw %type <a> ipa
%type <net> net_ip4 net_ip6 net_ip net_or_ipa %type <net> net_ip4_ net_ip6_ net_ip6 net_ip_ net_ip net_or_ipa
%type <net_ptr> net_any %type <net_ptr> net_ net_any
%type <t> text opttext %type <t> text opttext
@ -151,15 +151,12 @@ bool:
| /* Silence means agreement */ { $$ = 1; } | /* Silence means agreement */ { $$ = 1; }
; ;
/* Addresses, prefixes and netmasks */
ipa_raw: /* Addresses */
IP4 { $$ = ipa_from_ip4($1); }
| IP6 { $$ = ipa_from_ip6($1); }
;
ipa: ipa:
ipa_raw IP4 { $$ = ipa_from_ip4($1); }
| IP6 { $$ = ipa_from_ip6($1); }
| SYM { | SYM {
if ($1->class != (SYM_CONSTANT | T_IP)) cf_error("IP address expected"); if ($1->class != (SYM_CONSTANT | T_IP)) cf_error("IP address expected");
$$ = SYM_VAL($1).ip; $$ = SYM_VAL($1).ip;
@ -172,42 +169,85 @@ ipa_scope:
; ;
/* XXXX - symbols and tests */ /* Networks - internal */
net_ip4: IP4 pxlen4 { $$.ip4 = NET_ADDR_IP4($1, $2); }
net_ip6: IP6 pxlen6 { $$.ip6 = NET_ADDR_IP6($1, $2); }
net_ip: net_ip4 | net_ip6 ;
net_any: net_ip { $$ = cfg_alloc($1.n.length); net_copy($$, &($1.n)); }
net_or_ipa:
net_ip4
| net_ip6
| IP4 { $$.ip4 = NET_ADDR_IP4($1, IP4_MAX_PREFIX_LENGTH); }
| IP6 { $$.ip6 = NET_ADDR_IP6($1, IP6_MAX_PREFIX_LENGTH); }
;
pxlen4: pxlen4:
'/' expr { '/' NUM {
if ($2 < 0 || $2 > IP4_MAX_PREFIX_LENGTH) cf_error("Invalid prefix length %d", $2); if ($2 < 0 || $2 > IP4_MAX_PREFIX_LENGTH) cf_error("Invalid prefix length %d", $2);
$$ = $2; $$ = $2;
} }
| ':' IP4 { | ':' IP4 {
$$ = ip4_masklen($2); $$ = ip4_masklen($2);
if ($$ < 0) cf_error("Invalid netmask %I", $2); if ($$ == 255) cf_error("Invalid netmask %I", $2); /* XXXX */
} }
; ;
pxlen6: net_ip4_: IP4 pxlen4
'/' expr { {
if ($2 < 0 || $2 > IP6_MAX_PREFIX_LENGTH) cf_error("Invalid prefix length %d", $2); net_fill_ip4(&($$), $1, $2);
$$ = $2; if (!net_validate_ip4((net_addr_ip4 *) &($$)))
cf_error("Invalid IPv4 prefix");
};
net_ip6_: IP6 '/' NUM
{
net_fill_ip6(&($$), $1, $3);
if ($3 < 0 || $3 > IP6_MAX_PREFIX_LENGTH)
cf_error("Invalid prefix length %d", $3);
if (!net_validate_ip6((net_addr_ip6 *) &($$)))
cf_error("Invalid IPv6 prefix");
};
net_ip_: net_ip4_ | net_ip6_ ;
net_: net_ip_ { $$ = cfg_alloc($1.length); net_copy($$, &($1)); } ;
/* Networks - regular */
net_ip6:
net_ip6_
| SYM {
if (($1->class != (SYM_CONSTANT | T_NET)) || (SYM_VAL($1).net->type != NET_IP6))
cf_error("IPv6 network expected");
$$ = * SYM_VAL($1).net;
} }
; ;
net_ip:
net_ip_
| SYM {
if (($1->class != (SYM_CONSTANT | T_NET)) || !net_is_ip(SYM_VAL($1).net))
cf_error("IP network expected");
$$ = * SYM_VAL($1).net;
}
;
net_any:
net_
| SYM {
if ($1->class != (SYM_CONSTANT | T_NET))
cf_error("Network expected");
$$ = (net_addr *) SYM_VAL($1).net; /* Avoid const warning */
}
;
net_or_ipa:
net_ip4_
| net_ip6_
| IP4 { net_fill_ip4(&($$), $1, IP4_MAX_PREFIX_LENGTH); }
| IP6 { net_fill_ip6(&($$), $1, IP6_MAX_PREFIX_LENGTH); }
| SYM {
if ($1->class == (SYM_CONSTANT | T_IP))
net_fill_ip_host(&($$), SYM_VAL($1).ip);
else if (($1->class == (SYM_CONSTANT | T_NET)) && net_is_ip(SYM_VAL($1).net))
$$ = * SYM_VAL($1).net;
else
cf_error("IP address or network expected");
}
;
datetime: datetime:
TEXT { TEXT {
$$ = tm_parse_datetime($1); $$ = tm_parse_datetime($1);

19
filter/config.Y
View file

@ -475,7 +475,8 @@ block:
* Complex types, their bison value is struct f_val * Complex types, their bison value is struct f_val
*/ */
fipa: fipa:
ipa_raw %prec PREFIX_DUMMY { $$.type = T_IP; $$.val.ip = $1; } IP4 %prec PREFIX_DUMMY { $$.type = T_IP; $$.val.ip = ipa_from_ip4($1); }
| IP6 %prec PREFIX_DUMMY { $$.type = T_IP; $$.val.ip = ipa_from_ip6($1); }
; ;
@ -571,19 +572,19 @@ switch_items:
; ;
fprefix: fprefix:
net_ip { $$.net = $1; $$.lo = $1.n.pxlen; $$.hi = $1.n.pxlen; } net_ip_ { $$.net = $1; $$.lo = $1.pxlen; $$.hi = $1.pxlen; }
| net_ip '+' { $$.net = $1; $$.lo = $1.n.pxlen; $$.hi = net_max_prefix_length[$1.n.type]; } | net_ip_ '+' { $$.net = $1; $$.lo = $1.pxlen; $$.hi = net_max_prefix_length[$1.type]; }
| net_ip '-' { $$.net = $1; $$.lo = 0; $$.hi = $1.n.pxlen; } | net_ip_ '-' { $$.net = $1; $$.lo = 0; $$.hi = $1.pxlen; }
| net_ip '{' NUM ',' NUM '}' { | net_ip_ '{' NUM ',' NUM '}' {
$$.net = $1; $$.lo = $3; $$.hi = $5; $$.net = $1; $$.lo = $3; $$.hi = $5;
if ((0 > $3) || ($3 > $5) || ($5 > net_max_prefix_length[$1.n.type])) if ((0 > $3) || ($3 > $5) || ($5 > net_max_prefix_length[$1.type]))
cf_error("Invalid prefix pattern range: {%d, %d}", $3, $5); cf_error("Invalid prefix pattern range: {%d, %d}", $3, $5);
} }
; ;
fprefix_set: fprefix_set:
fprefix { $$ = f_new_trie(cfg_mem, sizeof(struct f_trie_node)); trie_add_prefix($$, &($1.net.n), $1.lo, $1.hi); } fprefix { $$ = f_new_trie(cfg_mem, sizeof(struct f_trie_node)); trie_add_prefix($$, &($1.net), $1.lo, $1.hi); }
| fprefix_set ',' fprefix { $$ = $1; trie_add_prefix($$, &($3.net.n), $3.lo, $3.hi); } | fprefix_set ',' fprefix { $$ = $1; trie_add_prefix($$, &($3.net), $3.lo, $3.hi); }
; ;
switch_body: /* EMPTY */ { $$ = NULL; } switch_body: /* EMPTY */ { $$ = NULL; }
@ -635,7 +636,7 @@ constant:
| FALSE { $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_BOOL; $$->a2.i = 0; } | FALSE { $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_BOOL; $$->a2.i = 0; }
| TEXT { $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_STRING; $$->a2.p = $1; } | TEXT { $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_STRING; $$->a2.p = $1; }
| fipa { NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; } | fipa { NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; }
| net_any { NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; val->type = T_NET; val->val.net = $1; $$->a1.p = val; } | net_ { NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; val->type = T_NET; val->val.net = $1; $$->a1.p = val; }
| '[' set_items ']' { DBG( "We've got a set here..." ); $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_SET; $$->a2.p = build_tree($2); DBG( "ook\n" ); } | '[' set_items ']' { DBG( "We've got a set here..." ); $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_SET; $$->a2.p = build_tree($2); DBG( "ook\n" ); }
| '[' fprefix_set ']' { $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_PREFIX_SET; $$->a2.p = $2; } | '[' fprefix_set ']' { $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_PREFIX_SET; $$->a2.p = $2; }
| ENUM { $$ = f_new_inst(); $$->code = 'c'; $$->aux = $1 >> 16; $$->a2.i = $1 & 0xffff; } | ENUM { $$ = f_new_inst(); $$->code = 'c'; $$->aux = $1 >> 16; $$->a2.i = $1 & 0xffff; }

2
filter/filter.h
View file

@ -39,7 +39,7 @@ struct f_inst_roa_check {
}; };
struct f_prefix { struct f_prefix {
net_addr_union net; net_addr net;
u8 lo, hi; u8 lo, hi;
}; };

16
filter/test.conf
View file

@ -16,6 +16,10 @@ define ten = 10;
define p23 = (2, 3); define p23 = (2, 3);
define ip1222 = 1.2.2.2; define ip1222 = 1.2.2.2;
define net10 = 10.0.0.0/8;
define netdoc = 2001:db8::/32;
function onef(int a) function onef(int a)
{ {
return 1; return 1;
@ -55,6 +59,7 @@ function fifteen()
return 15; return 15;
} }
/*
roa table rl roa table rl
{ {
roa 10.110.0.0/16 max 16 as 1000; roa 10.110.0.0/16 max 16 as 1000;
@ -80,6 +85,7 @@ function test_roa()
" ", roa_check(rl, 10.130.30.0/24, 3000) = ROA_INVALID, " ", roa_check(rl, 10.130.30.0/24, 3000) = ROA_INVALID,
" ", roa_check(rl, 10.130.130.0/24, 3000) = ROA_VALID; " ", roa_check(rl, 10.130.130.0/24, 3000) = ROA_VALID;
} }
*/
function path_test() function path_test()
bgpmask pm1; bgpmask pm1;
@ -232,7 +238,7 @@ function __test2()
function test_pxset(prefix set pxs) function test_pxset(prefix set pxs)
{ {
print pxs; print pxs;
print " must be true: ", 10.0.0.0/8 ~ pxs, ",", 10.0.0.0/10 ~ pxs, ",", 10.0.0.0/12 ~ pxs, ",", print " must be true: ", net10 ~ pxs, ",", 10.0.0.0/10 ~ pxs, ",", 10.0.0.0/12 ~ pxs, ",",
20.0.0.0/24 ~ pxs, ",", 20.0.40.0/24 ~ pxs, ",", 20.0.0.0/26 ~ pxs, ",", 20.0.0.0/24 ~ pxs, ",", 20.0.40.0/24 ~ pxs, ",", 20.0.0.0/26 ~ pxs, ",",
20.0.100.0/26 ~ pxs, ",", 20.0.0.0/28 ~ pxs, ",", 20.0.255.0/28 ~ pxs; 20.0.100.0/26 ~ pxs, ",", 20.0.0.0/28 ~ pxs, ",", 20.0.255.0/28 ~ pxs;
print " must be false: ", 10.0.0.0/7 ~ pxs, ",", 10.0.0.0/13 ~ pxs, ",", 10.0.0.0/16 ~ pxs, ",", print " must be false: ", 10.0.0.0/7 ~ pxs, ",", 10.0.0.0/13 ~ pxs, ",", 10.0.0.0/16 ~ pxs, ",",
@ -312,12 +318,12 @@ string st;
px = 1.2.0.0/18; px = 1.2.0.0/18;
print "Testing prefixes: 1.2.0.0/18 = ", px; print "Testing prefixes: 1.2.0.0/18 = ", px;
print " must be true: ", 192.168.0.0/16 ~ 192.168.0.0/16, " ", 192.168.0.0/17 ~ 192.168.0.0/16, " ", 192.168.254.0/24 ~ 192.168.0.0/16; print " must be true: ", 192.168.0.0/16 ~ 192.168.0.0/16, " ", 192.168.0.0/17 ~ 192.168.0.0/16, " ", 192.168.254.0/24 ~ 192.168.0.0/16, " ", netdoc ~ 2001::/16;
print " must be false: ", 192.168.0.0/15 ~ 192.168.0.0/16, " ", 192.160.0.0/17 ~ 192.168.0.0/16; print " must be false: ", 192.168.0.0/15 ~ 192.168.0.0/16, " ", 192.160.0.0/17 ~ 192.168.0.0/16, " ", px ~ netdoc;
p = 127.1.2.3; p = 127.1.2.3;
print "Testing mask : 127.0.0.0 = ", p.mask(8); print "Testing mask : 127.0.0.0 = ", p.mask(8);
pp = (1, 2); pp = (1, 2);
print "Testing pairs: (1,2) = ", (1,2), " = ", pp, " = ", (1,1+1), " = ", 'mkpair-a'(2); print "Testing pairs: (1,2) = ", (1,2), " = ", pp, " = ", (1,1+1), " = ", 'mkpair-a'(2);
print " must be true: ", (1,2) = (1,1+1); print " must be true: ", (1,2) = (1,1+1);
@ -397,7 +403,7 @@ string st;
print "1.2.3.4 = ", onetwo; print "1.2.3.4 = ", onetwo;
i = 4200000000; i = 4200000000;
print "4200000000 = ", i, " false: ", i = 4200000000, " ", i > 4100000000, " false: ", i > 4250000000; print "4200000000 = ", i, " true: ", i = 4200000000, " ", i > 4100000000, " false: ", i > 4250000000;
test_undef(2); test_undef(2);
test_undef(3); test_undef(3);

2
lib/ip.c
View file

@ -67,7 +67,7 @@ ip6_masklen(ip6_addr *a)
if (a->addr[i] != ~0U) if (a->addr[i] != ~0U)
{ {
j = u32_masklen(a->addr[i]); j = u32_masklen(a->addr[i]);
if (j < 0) if (j == 255)
return j; return j;
n += j; n += j;
while (++i < 4) while (++i < 4)

24
lib/ip.h
View file

@ -91,6 +91,9 @@ typedef ip6_addr ip_addr;
#define ipa_is_ip4(a) ip6_is_v4mapped(a) #define ipa_is_ip4(a) ip6_is_v4mapped(a)
#define IPA_NONE4 ipa_from_ip4(IP4_NONE)
#define IPA_NONE6 ipa_from_ip6(IP6_NONE)
/* /*
* Public constructors * Public constructors
@ -180,16 +183,7 @@ static inline int ipa_nonzero2(ip_addr a)
* Hash and compare functions * Hash and compare functions
*/ */
static inline uint ip4_hash(ip4_addr a) static inline u32 ip4_hash(ip4_addr a)
{
/* Returns a 16-bit value */
u32 x = _I(a);
x ^= x >> 16;
x ^= x << 10;
return x & 0xffff;
}
static inline u32 ip4_hash32(ip4_addr a)
{ {
/* Returns a 32-bit value, although low-order bits are not mixed */ /* Returns a 32-bit value, although low-order bits are not mixed */
u32 x = _I(a); u32 x = _I(a);
@ -198,14 +192,7 @@ static inline u32 ip4_hash32(ip4_addr a)
return x; return x;
} }
static inline uint ip6_hash(ip6_addr a) static inline u32 ip6_hash(ip6_addr a)
{
/* Returns a 16-bit hash key */
u32 x = _I0(a) ^ _I1(a) ^ _I2(a) ^ _I3(a);
return (x ^ (x >> 16) ^ (x >> 8)) & 0xffff;
}
static inline u32 ip6_hash32(ip6_addr a)
{ {
/* Returns a 32-bit hash key, although low-order bits are not mixed */ /* Returns a 32-bit hash key, although low-order bits are not mixed */
u32 x = _I0(a) ^ _I1(a) ^ _I2(a) ^ _I3(a); u32 x = _I0(a) ^ _I1(a) ^ _I2(a) ^ _I3(a);
@ -218,7 +205,6 @@ static inline int ip4_compare(ip4_addr a, ip4_addr b)
int ip6_compare(ip6_addr a, ip6_addr b); int ip6_compare(ip6_addr a, ip6_addr b);
#define ipa_hash(x) ip6_hash(x) #define ipa_hash(x) ip6_hash(x)
#define ipa_hash32(x) ip6_hash32(x)
#define ipa_compare(x,y) ip6_compare(x,y) #define ipa_compare(x,y) ip6_compare(x,y)

21
lib/net.h
View file

@ -107,6 +107,17 @@ static inline void net_fill_ipa(net_addr *a, ip_addr prefix, uint pxlen)
net_fill_ip6(a, ipa_to_ip6(prefix), pxlen); net_fill_ip6(a, ipa_to_ip6(prefix), pxlen);
} }
static inline void net_fill_ip_host(net_addr *a, ip_addr prefix)
{
if (ipa_is_ip4(prefix))
net_fill_ip4(a, ipa_to_ip4(prefix), IP4_MAX_PREFIX_LENGTH);
else
net_fill_ip6(a, ipa_to_ip6(prefix), IP6_MAX_PREFIX_LENGTH);
}
static inline int net_is_ip(const net_addr *a)
{ return (a->type == NET_IP4) || (a->type == NET_IP6); }
static inline ip4_addr net4_prefix(const net_addr *a) static inline ip4_addr net4_prefix(const net_addr *a)
{ return ((net_addr_ip4 *) a)->prefix; } { return ((net_addr_ip4 *) a)->prefix; }
@ -199,20 +210,20 @@ static inline void net_copy_vpn6(net_addr_vpn6 *dst, const net_addr_vpn6 *src)
static inline u32 net_hash_ip4(const net_addr_ip4 *n) static inline u32 net_hash_ip4(const net_addr_ip4 *n)
{ return ip4_hash32(n->prefix) ^ ((u32) n->pxlen << 26); } { return ip4_hash(n->prefix) ^ ((u32) n->pxlen << 26); }
static inline u32 net_hash_ip6(const net_addr_ip6 *n) static inline u32 net_hash_ip6(const net_addr_ip6 *n)
{ return ip6_hash32(n->prefix) ^ ((u32) n->pxlen << 26); } { return ip6_hash(n->prefix) ^ ((u32) n->pxlen << 26); }
/* XXXX */ /* XXXX */
static inline u32 u64_hash(u32 a) static inline u32 u64_hash(u64 a)
{ return u32_hash(a); } { return u32_hash(a); }
static inline u32 net_hash_vpn4(const net_addr_vpn4 *n) static inline u32 net_hash_vpn4(const net_addr_vpn4 *n)
{ return ip4_hash32(n->prefix) ^ ((u32) n->pxlen << 26) ^ u64_hash(n->rd); } { return ip4_hash(n->prefix) ^ ((u32) n->pxlen << 26) ^ u64_hash(n->rd); }
static inline u32 net_hash_vpn6(const net_addr_vpn6 *n) static inline u32 net_hash_vpn6(const net_addr_vpn6 *n)
{ return ip6_hash32(n->prefix) ^ ((u32) n->pxlen << 26) ^ u64_hash(n->rd); } { return ip6_hash(n->prefix) ^ ((u32) n->pxlen << 26) ^ u64_hash(n->rd); }
static inline int net_validate_ip4(const net_addr_ip4 *n) static inline int net_validate_ip4(const net_addr_ip4 *n)

19
nest/config.Y
View file

@ -30,7 +30,7 @@ iface_patt_check(void)
struct iface_patt_node *pn; struct iface_patt_node *pn;
WALK_LIST(pn, this_ipatt->ipn_list) WALK_LIST(pn, this_ipatt->ipn_list)
if (!pn->pattern || pn->prefix.pxlen) /* XXXX */ if (!pn->pattern || pn->prefix.type)
cf_error("Interface name/mask expected, not IP prefix"); cf_error("Interface name/mask expected, not IP prefix");
} }
@ -85,7 +85,7 @@ CF_GRAMMAR
CF_ADDTO(conf, rtrid) CF_ADDTO(conf, rtrid)
rtrid: rtrid:
ROUTER ID idval ';' { new_config->router_id = $3; } ROUTER ID idval ';' { new_config->router_id = $3; }
| ROUTER ID FROM iface_patt ';' { new_config->router_id_from = this_ipatt; } | ROUTER ID FROM iface_patt ';' { new_config->router_id_from = this_ipatt; }
; ;
@ -261,8 +261,8 @@ iface_patt_node_init:
; ;
iface_patt_node_body: iface_patt_node_body:
TEXT { this_ipn->pattern = $1; net_fill_ip6(&this_ipn->prefix, IP6_NONE, 0); /* XXXX */ } TEXT { this_ipn->pattern = $1; /* this_ipn->prefix stays zero */ }
| opttext net_or_ipa { this_ipn->pattern = $1; this_ipn->prefix = $2.n; } | opttext net_or_ipa { this_ipn->pattern = $1; this_ipn->prefix = $2; }
; ;
iface_negate: iface_negate:
@ -271,7 +271,7 @@ iface_negate:
; ;
iface_patt_node: iface_patt_node:
iface_patt_node_init iface_negate iface_patt_node_body iface_patt_node_init iface_negate iface_patt_node_body
; ;
@ -450,14 +450,15 @@ r_args:
} }
| r_args net_any { | r_args net_any {
$$ = $1; $$ = $1;
if ($$->prefix) cf_error("Only one prefix expected"); if ($$->addr) cf_error("Only one prefix expected");
$$->prefix = $2; $$->addr = $2;
} }
| r_args FOR net_or_ipa { | r_args FOR net_or_ipa {
$$ = $1; $$ = $1;
if ($$->prefix) cf_error("Only one prefix expected"); if ($$->addr) cf_error("Only one prefix expected");
$$->prefix = &($3.n);
$$->show_for = 1; $$->show_for = 1;
$$->addr = cfg_alloc($3.length);
net_copy($$->addr, &($3));
} }
| r_args TABLE SYM { | r_args TABLE SYM {
$$ = $1; $$ = $1;

3
nest/neighbor.c
View file

@ -45,6 +45,7 @@
#include "lib/resource.h" #include "lib/resource.h"
#define NEIGH_HASH_SIZE 256 #define NEIGH_HASH_SIZE 256
#define NEIGH_HASH_OFFSET 24
static slab *neigh_slab; static slab *neigh_slab;
static list sticky_neigh_list, neigh_hash_table[NEIGH_HASH_SIZE]; static list sticky_neigh_list, neigh_hash_table[NEIGH_HASH_SIZE];
@ -52,7 +53,7 @@ static list sticky_neigh_list, neigh_hash_table[NEIGH_HASH_SIZE];
static inline uint static inline uint
neigh_hash(struct proto *p, ip_addr *a) neigh_hash(struct proto *p, ip_addr *a)
{ {
return (p->hash_key ^ ipa_hash(*a)) & (NEIGH_HASH_SIZE-1); return (p->hash_key ^ ipa_hash(*a)) >> NEIGH_HASH_OFFSET;
} }
static int static int

9
nest/route.h
View file

@ -56,7 +56,7 @@ struct fib {
struct fib_node **hash_table; /* Node hash table */ struct fib_node **hash_table; /* Node hash table */
uint hash_size; /* Number of hash table entries (a power of two) */ uint hash_size; /* Number of hash table entries (a power of two) */
uint hash_order; /* Binary logarithm of hash_size */ uint hash_order; /* Binary logarithm of hash_size */
uint hash_shift; /* 16 - hash_log */ uint hash_shift; /* 32 - hash_order */
uint addr_type; /* Type of address data stored in fib (NET_*) */ uint addr_type; /* Type of address data stored in fib (NET_*) */
uint node_size; /* XXXX */ uint node_size; /* XXXX */
uint node_offset; /* XXXX */ uint node_offset; /* XXXX */
@ -277,11 +277,6 @@ void rt_setup(pool *, rtable *, char *, struct rtable_config *);
static inline net *net_find(rtable *tab, net_addr *addr) { return (net *) fib_find(&tab->fib, addr); } static inline net *net_find(rtable *tab, net_addr *addr) { return (net *) fib_find(&tab->fib, addr); }
static inline net *net_get(rtable *tab, net_addr *addr) { return (net *) fib_get(&tab->fib, addr); } static inline net *net_get(rtable *tab, net_addr *addr) { return (net *) fib_get(&tab->fib, addr); }
static inline net *net_find_ipa(rtable *tab, ip_addr px, uint pxlen)
{ net_addr addr; net_fill_ipa(&addr, px, pxlen); return (net *) fib_find(&tab->fib, &addr); }
static inline net *net_get_ipa(rtable *tab, ip_addr px, uint pxlen)
{ net_addr addr; net_fill_ipa(&addr, px, pxlen); return (net *) fib_get(&tab->fib, &addr); }
rte *rte_find(net *net, struct rte_src *src); rte *rte_find(net *net, struct rte_src *src);
rte *rte_get_temp(struct rta *); rte *rte_get_temp(struct rta *);
void rte_update2(struct announce_hook *ah, net *net, rte *new, struct rte_src *src); void rte_update2(struct announce_hook *ah, net *net, rte *new, struct rte_src *src);
@ -313,7 +308,7 @@ rt_mark_for_prune(rtable *tab)
} }
struct rt_show_data { struct rt_show_data {
net_addr *prefix; net_addr *addr;
rtable *table; rtable *table;
struct filter *filter; struct filter *filter;
int verbose; int verbose;

9
nest/rt-attr.c
View file

@ -195,10 +195,10 @@ rt_prune_sources(void)
* Multipath Next Hop * Multipath Next Hop
*/ */
static inline uint static inline u32
mpnh_hash(struct mpnh *x) mpnh_hash(struct mpnh *x)
{ {
uint h = 0; u32 h = 0;
for (; x; x = x->next) for (; x; x = x->next)
h ^= ipa_hash(x->gw); h ^= ipa_hash(x->gw);
@ -1008,8 +1008,9 @@ rta_alloc_hash(void)
static inline uint static inline uint
rta_hash(rta *a) rta_hash(rta *a)
{ {
return (((uint) (uintptr_t) a->src) ^ ipa_hash(a->gw) ^ /* XXXX fully convert to u32 hashing */
mpnh_hash(a->nexthops) ^ ea_hash(a->eattrs)) & 0xffff; return (((uint) (uintptr_t) a->src) ^ (ipa_hash(a->gw) >> 16) ^
(mpnh_hash(a->nexthops) >> 16) ^ ea_hash(a->eattrs)) & 0xffff;
} }
static inline int static inline int

43
nest/rt-fib.c
View file

@ -43,7 +43,7 @@
#define HASH_DEF_ORDER 10 #define HASH_DEF_ORDER 10
#define HASH_HI_MARK *4 #define HASH_HI_MARK *4
#define HASH_HI_STEP 2 #define HASH_HI_STEP 2
#define HASH_HI_MAX 16 /* Must be at most 16 */ #define HASH_HI_MAX 16
#define HASH_LO_MARK /5 #define HASH_LO_MARK /5
#define HASH_LO_STEP 2 #define HASH_LO_STEP 2
#define HASH_LO_MIN 10 #define HASH_LO_MIN 10
@ -266,38 +266,32 @@ fib_get(struct fib *f, const net_addr *a)
return b; return b;
} }
static void * static inline void *
fib_route_ip4(struct fib *f, const net_addr *n0) fib_route_ip4(struct fib *f, net_addr_ip4 *n)
{ {
net_addr net; void *r;
net_addr_ip4 *n = (net_addr_ip4 *) &net;
void *b;
net_copy(&net, n0); while (!(r = fib_find(f, (net_addr *) n)) && (n->pxlen > 0))
while (!(b = fib_find(f, &net)) && (n->pxlen > 0))
{ {
n->pxlen--; n->pxlen--;
ip4_clrbit(&n->prefix, n->pxlen); ip4_clrbit(&n->prefix, n->pxlen);
} }
return b; return r;
} }
static void * static inline void *
fib_route_ip6(struct fib *f, const net_addr *n0) fib_route_ip6(struct fib *f, net_addr_ip6 *n)
{ {
net_addr net; void *r;
net_addr_ip6 *n = (net_addr_ip6 *) &net;
void *b;
net_copy(&net, n0); while (!(r = fib_find(f, (net_addr *) n)) && (n->pxlen > 0))
while (!(b = fib_find(f, &net)) && (n->pxlen > 0))
{ {
n->pxlen--; n->pxlen--;
ip6_clrbit(&n->prefix, n->pxlen); ip6_clrbit(&n->prefix, n->pxlen);
} }
return b; return r;
} }
/** /**
@ -314,21 +308,25 @@ fib_route(struct fib *f, const net_addr *n)
{ {
ASSERT(f->addr_type == n->type); ASSERT(f->addr_type == n->type);
net_addr *n0 = alloca(n->length);
net_copy(n0, n);
switch (n->type) switch (n->type)
{ {
case NET_IP4: case NET_IP4:
case NET_VPN4: case NET_VPN4:
return fib_route_ip4(f, n); return fib_route_ip4(f, (net_addr_ip4 *) n0);
case NET_IP6: case NET_IP6:
case NET_VPN6: case NET_VPN6:
return fib_route_ip6(f, n); return fib_route_ip6(f, (net_addr_ip6 *) n0);
default: default:
return NULL; return NULL;
} }
} }
static inline void static inline void
fib_merge_readers(struct fib_iterator *i, struct fib_node *to) fib_merge_readers(struct fib_iterator *i, struct fib_node *to)
{ {
@ -398,7 +396,12 @@ fib_delete(struct fib *f, void *E)
} }
fib_merge_readers(it, l); fib_merge_readers(it, l);
} }
sl_free(f->fib_slab, e);
if (f->fib_slab)
sl_free(f->fib_slab, E);
else
mb_free(E);
if (f->entries-- < f->entries_min) if (f->entries-- < f->entries_min)
fib_rehash(f, -HASH_LO_STEP); fib_rehash(f, -HASH_LO_STEP);
return; return;

108
nest/rt-table.c
View file

@ -68,25 +68,60 @@ make_tmp_attrs(struct rte *rt, struct linpool *pool)
return mta ? mta(rt, rte_update_pool) : NULL; return mta ? mta(rt, rte_update_pool) : NULL;
} }
/* Like fib_route(), but skips empty net entries */
/*
static net *
net_route(rtable *tab, ip_addr a, int len)
{
ip_addr a0;
net *n;
while (len >= 0) /* Like fib_route(), but skips empty net entries */
{ static inline void *
a0 = ipa_and(a, ipa_mkmask(len)); net_route_ip4(struct fib *f, net_addr_ip4 *n)
n = fib_find(&tab->fib, &a0, len); {
if (n && rte_is_valid(n->routes)) net *r;
return n;
len--; while (r = fib_find(f, (net_addr *) n),
} !(r && rte_is_valid(r->routes)) && (n->pxlen > 0))
return NULL; {
n->pxlen--;
ip4_clrbit(&n->prefix, n->pxlen);
}
return r;
}
static inline void *
net_route_ip6(struct fib *f, net_addr_ip6 *n)
{
net *r;
while (r = fib_find(f, (net_addr *) n),
!(r && rte_is_valid(r->routes)) && (n->pxlen > 0))
{
n->pxlen--;
ip6_clrbit(&n->prefix, n->pxlen);
}
return r;
}
void *
net_route(rtable *tab, const net_addr *n)
{
ASSERT(f->addr_type == n->type);
net_addr *n0 = alloca(n->length);
net_copy(n0, n);
switch (n->type)
{
case NET_IP4:
case NET_VPN4:
return net_route_ip4(&tab->fib, (net_addr_ip4 *) n0);
case NET_IP6:
case NET_VPN6:
return net_route_ip6(&tab->fib, (net_addr_ip6 *) n0);
default:
return NULL;
}
} }
*/
/** /**
* rte_find - find a route * rte_find - find a route
@ -2040,10 +2075,10 @@ ptr_hash(void *ptr)
return p ^ (p << 8) ^ (p >> 16); return p ^ (p << 8) ^ (p >> 16);
} }
static inline unsigned static inline u32
hc_hash(ip_addr a, rtable *dep) hc_hash(ip_addr a, rtable *dep)
{ {
return (ipa_hash(a) ^ ptr_hash(dep)) & 0xffff; return ipa_hash(a) ^ ptr_hash(dep);
} }
static inline void static inline void
@ -2077,7 +2112,7 @@ hc_alloc_table(struct hostcache *hc, unsigned order)
{ {
unsigned hsize = 1 << order; unsigned hsize = 1 << order;
hc->hash_order = order; hc->hash_order = order;
hc->hash_shift = 16 - order; hc->hash_shift = 32 - order;
hc->hash_max = (order >= HC_HI_ORDER) ? ~0 : (hsize HC_HI_MARK); hc->hash_max = (order >= HC_HI_ORDER) ? ~0 : (hsize HC_HI_MARK);
hc->hash_min = (order <= HC_LO_ORDER) ? 0 : (hsize HC_LO_MARK); hc->hash_min = (order <= HC_LO_ORDER) ? 0 : (hsize HC_LO_MARK);
@ -2178,14 +2213,11 @@ rt_free_hostcache(rtable *tab)
static void static void
rt_notify_hostcache(rtable *tab, net *net) rt_notify_hostcache(rtable *tab, net *net)
{ {
struct hostcache *hc = tab->hostcache;
if (tab->hcu_scheduled) if (tab->hcu_scheduled)
return; return;
// XXXX if (trie_match_net(tab->hostcache->trie, net->n.addr))
// if (trie_match_prefix(hc->trie, net->n.prefix, net->n.pxlen)) rt_schedule_hcu(tab);
// rt_schedule_hcu(tab);
} }
static int static int
@ -2235,15 +2267,15 @@ rt_update_hostentry(rtable *tab, struct hostentry *he)
rta *old_src = he->src; rta *old_src = he->src;
int pxlen = 0; int pxlen = 0;
/* Reset the hostentry */ /* Reset the hostentry */
he->src = NULL; he->src = NULL;
he->gw = IPA_NONE; he->gw = IPA_NONE;
he->dest = RTD_UNREACHABLE; he->dest = RTD_UNREACHABLE;
he->igp_metric = 0; he->igp_metric = 0;
// XXXX net_addr he_addr;
// net *n = net_route(tab, he->addr, MAX_PREFIX_LENGTH); net_fill_ip_host(&he_addr, he->addr);
net *n = NULL; net *n = net_route(tab, &he_addr);
if (n) if (n)
{ {
rte *e = n->routes; rte *e = n->routes;
@ -2285,12 +2317,7 @@ rt_update_hostentry(rtable *tab, struct hostentry *he)
done: done:
/* Add a prefix range to the trie */ /* Add a prefix range to the trie */
/* XXXX trie_add_prefix(tab->hostcache->trie, &he_addr, pxlen, he_addr.pxlen);
if (ipa_is_ip4(he->addr))
trie_add_prefix(tab->hostcache->trie, he->addr, IP4_MAX_PREFIX_LENGTH, pxlen, IP4_MAX_PREFIX_LENGTH);
else
trie_add_prefix(tab->hostcache->trie, he->addr, IP6_MAX_PREFIX_LENGTH, pxlen, IP6_MAX_PREFIX_LENGTH);
*/
rta_free(old_src); rta_free(old_src);
return old_src != he->src; return old_src != he->src;
@ -2331,7 +2358,7 @@ rt_get_hostentry(rtable *tab, ip_addr a, ip_addr ll, rtable *dep)
if (!tab->hostcache) if (!tab->hostcache)
rt_init_hostcache(tab); rt_init_hostcache(tab);
uint k = hc_hash(a, dep); u32 k = hc_hash(a, dep);
struct hostcache *hc = tab->hostcache; struct hostcache *hc = tab->hostcache;
for (he = hc->hash_table[k >> hc->hash_shift]; he != NULL; he = he->next) for (he = hc->hash_table[k >> hc->hash_shift]; he != NULL; he = he->next)
if (ipa_equal(he->addr, a) && (he->tab == dep)) if (ipa_equal(he->addr, a) && (he->tab == dep))
@ -2575,7 +2602,7 @@ rt_show(struct rt_show_data *d)
if (d->filtered && (d->export_mode || d->primary_only)) if (d->filtered && (d->export_mode || d->primary_only))
cli_msg(0, ""); cli_msg(0, "");
if (!d->prefix) if (!d->addr)
{ {
FIB_ITERATE_INIT(&d->fit, &d->table->fib); FIB_ITERATE_INIT(&d->fit, &d->table->fib);
this_cli->cont = rt_show_cont; this_cli->cont = rt_show_cont;
@ -2584,13 +2611,10 @@ rt_show(struct rt_show_data *d)
} }
else else
{ {
/* XXXX
if (d->show_for) if (d->show_for)
n = net_route(d->table, d->prefix, d->pxlen); n = net_route(d->table, d->addr);
else else
n = net_find(d->table, d->prefix, d->pxlen); n = net_find(d->table, d->addr);
*/
n = NULL;
if (n) if (n)
rt_show_net(this_cli, n, d); rt_show_net(this_cli, n, d);

2
proto/bfd/bfd.c
View file

@ -112,7 +112,7 @@
#define HASH_IP_KEY(n) n->addr #define HASH_IP_KEY(n) n->addr
#define HASH_IP_NEXT(n) n->next_ip #define HASH_IP_NEXT(n) n->next_ip
#define HASH_IP_EQ(a,b) ipa_equal(a,b) #define HASH_IP_EQ(a,b) ipa_equal(a,b)
#define HASH_IP_FN(k) ipa_hash32(k) #define HASH_IP_FN(k) ipa_hash(k)
static list bfd_proto_list; static list bfd_proto_list;
static list bfd_wait_list; static list bfd_wait_list;

4
proto/ospf/config.Y
View file

@ -220,7 +220,7 @@ ospf_stubnet_start:
net_ip { net_ip {
this_stubnet = cfg_allocz(sizeof(struct ospf_stubnet_config)); this_stubnet = cfg_allocz(sizeof(struct ospf_stubnet_config));
add_tail(&this_area->stubnet_list, NODE this_stubnet); add_tail(&this_area->stubnet_list, NODE this_stubnet);
this_stubnet->prefix = $1.n; this_stubnet->prefix = $1;
this_stubnet->cost = COST_D; this_stubnet->cost = COST_D;
} }
; ;
@ -330,7 +330,7 @@ pref_base: net_ip
{ {
this_pref = cfg_allocz(sizeof(struct area_net_config)); this_pref = cfg_allocz(sizeof(struct area_net_config));
add_tail(this_nets, NODE this_pref); add_tail(this_nets, NODE this_pref);
this_pref->prefix = $1.n; this_pref->prefix = $1;
} }
; ;

3
proto/ospf/iface.c
View file

@ -581,6 +581,7 @@ ospf_iface_new(struct ospf_area *oa, struct ifa *addr, struct ospf_iface_patt *i
if (ip->ptp_netmask < 2) if (ip->ptp_netmask < 2)
ifa->ptp_netmask = ip->ptp_netmask; ifa->ptp_netmask = ip->ptp_netmask;
ifa->drip = ifa->bdrip = ospf_is_v2(p) ? IPA_NONE4 : IPA_NONE6;
ifa->type = ospf_iface_classify(ip->type, addr); ifa->type = ospf_iface_classify(ip->type, addr);
@ -1333,7 +1334,7 @@ ospf_iface_info(struct ospf_iface *ifa)
else if (ifa->addr->flags & IA_PEER) else if (ifa->addr->flags & IA_PEER)
cli_msg(-1015, "Interface %s (peer %I)", ifa->ifname, ifa->addr->opposite); cli_msg(-1015, "Interface %s (peer %I)", ifa->ifname, ifa->addr->opposite);
else else
cli_msg(-1015, "Interface %s (%N)", ifa->ifname, ifa->addr->prefix); cli_msg(-1015, "Interface %s (%N)", ifa->ifname, &ifa->addr->prefix);
cli_msg(-1015, "\tType: %s%s", ospf_it[ifa->type], more); cli_msg(-1015, "\tType: %s%s", ospf_it[ifa->type], more);
cli_msg(-1015, "\tArea: %R (%u)", ifa->oa->areaid, ifa->oa->areaid); cli_msg(-1015, "\tArea: %R (%u)", ifa->oa->areaid, ifa->oa->areaid);

5
proto/ospf/neighbor.c
View file

@ -506,13 +506,14 @@ ospf_dr_election(struct ospf_iface *ifa)
u32 old_drid = ifa->drid; u32 old_drid = ifa->drid;
u32 old_bdrid = ifa->bdrid; u32 old_bdrid = ifa->bdrid;
ip_addr none = ospf_is_v2(p) ? IPA_NONE4 : IPA_NONE6;
ifa->drid = ndr ? ndr->rid : 0; ifa->drid = ndr ? ndr->rid : 0;
ifa->drip = ndr ? ndr->ip : IPA_NONE; ifa->drip = ndr ? ndr->ip : none;
ifa->dr_iface_id = ndr ? ndr->iface_id : 0; ifa->dr_iface_id = ndr ? ndr->iface_id : 0;
ifa->bdrid = nbdr ? nbdr->rid : 0; ifa->bdrid = nbdr ? nbdr->rid : 0;
ifa->bdrip = nbdr ? nbdr->ip : IPA_NONE; ifa->bdrip = nbdr ? nbdr->ip : none;
DBG("DR=%R, BDR=%R\n", ifa->drid, ifa->bdrid); DBG("DR=%R, BDR=%R\n", ifa->drid, ifa->bdrid);

4
proto/ospf/packet.c
View file

@ -500,8 +500,8 @@ ospf_send_to_agt(struct ospf_iface *ifa, u8 state)
void void
ospf_send_to_bdr(struct ospf_iface *ifa) ospf_send_to_bdr(struct ospf_iface *ifa)
{ {
if (ipa_nonzero(ifa->drip)) if (ipa_nonzero2(ifa->drip))
ospf_send_to(ifa, ifa->drip); ospf_send_to(ifa, ifa->drip);
if (ipa_nonzero(ifa->bdrip)) if (ipa_nonzero2(ifa->bdrip))
ospf_send_to(ifa, ifa->bdrip); ospf_send_to(ifa, ifa->bdrip);
} }

2
proto/radv/config.Y
View file

@ -150,7 +150,7 @@ radv_iface:
radv_prefix_start: net_ip6 radv_prefix_start: net_ip6
{ {
this_radv_prefix = cfg_allocz(sizeof(struct radv_prefix_config)); this_radv_prefix = cfg_allocz(sizeof(struct radv_prefix_config));
RADV_PREFIX->prefix = $1.ip6; RADV_PREFIX->prefix = *(net_addr_ip6 *) &($1);
RADV_PREFIX->onlink = 1; RADV_PREFIX->onlink = 1;
RADV_PREFIX->autonomous = 1; RADV_PREFIX->autonomous = 1;

2
sysdep/unix/krt.Y
View file

@ -69,7 +69,7 @@ kif_item:
} }
| PRIMARY opttext net_or_ipa { | PRIMARY opttext net_or_ipa {
struct kif_primary_item *kpi = cfg_alloc(sizeof (struct kif_primary_item)); struct kif_primary_item *kpi = cfg_alloc(sizeof (struct kif_primary_item));
kpi->addr = $3.n; kpi->addr = $3;
add_tail(&THIS_KIF->primary, &kpi->n); add_tail(&THIS_KIF->primary, &kpi->n);
} }
; ;