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setkey(8): add -hwif extension to specify offload interface for SA and SPD

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Sponsored by:	NVIDIA networking
This commit is contained in:
Konstantin Belousov 2023-09-18 05:04:45 +03:00
parent 9b93b2d8b0
commit 83418c878b
2 changed files with 48 additions and 2 deletions
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49
sbin/setkey/parse.y
View File

@ -70,6 +70,7 @@ struct addrinfo *p_natt_oai, *p_natt_oar;
int p_natt_sport, p_natt_dport;
int p_natt_fraglen;
bool esn;
vchar_t p_hwif;
static int p_aiflags = 0, p_aifamily = PF_UNSPEC;
@ -117,7 +118,7 @@ extern void yyerror(const char *);
%token SPDADD SPDDELETE SPDDUMP SPDFLUSH
%token F_POLICY PL_REQUESTS
%token F_AIFLAGS F_NATT F_NATT_MTU
%token F_ESN
%token F_ESN F_HWIF
%token TAGGED
%type <num> prefix protocol_spec upper_spec
@ -547,12 +548,16 @@ extension
esn = true;
p_ext |= SADB_X_SAFLAGS_ESN;
}
| F_HWIF STRING
{
p_hwif = $2;
}
;
/* definition about command for SPD management */
/* spdadd */
spdadd_command
: SPDADD ipaddropts STRING prefix portstr STRING prefix portstr upper_spec upper_misc_spec policy_spec EOT
: SPDADD ipaddropts STRING prefix portstr STRING prefix portstr upper_spec upper_misc_spec policy_spec spd_hwif EOT
{
int status;
struct addrinfo *src, *dst;
@ -656,6 +661,14 @@ ipaddropts
| ipaddropts ipaddropt
;
spd_hwif
:
| F_HWIF STRING
{
p_hwif = $2;
}
;
ipaddropt
: F_AIFLAGS
{
@ -839,6 +852,7 @@ setkeymsg_spdaddr(unsigned type, unsigned upper, vchar_t *policy,
char buf[BUFSIZ];
int l, l0;
struct sadb_address m_addr;
struct sadb_x_if_hw_offl m_if_hw;
struct addrinfo *s, *d;
int n;
int plen;
@ -857,6 +871,20 @@ setkeymsg_spdaddr(unsigned type, unsigned upper, vchar_t *policy,
memcpy(buf + l, policy->buf, policy->len);
l += policy->len;
if (p_hwif.len != 0) {
l0 = sizeof(struct sadb_x_if_hw_offl);
m_if_hw.sadb_x_if_hw_offl_len = PFKEY_UNIT64(l0);
m_if_hw.sadb_x_if_hw_offl_exttype = SADB_X_EXT_IF_HW_OFFL;
m_if_hw.sadb_x_if_hw_offl_flags = 0;
memset(&m_if_hw.sadb_x_if_hw_offl_if[0], 0,
sizeof(m_if_hw.sadb_x_if_hw_offl_if));
strlcpy(&m_if_hw.sadb_x_if_hw_offl_if[0], p_hwif.buf,
sizeof(m_if_hw.sadb_x_if_hw_offl_if));
memcpy(buf + l, &m_if_hw, l0);
l += l0;
}
l0 = l;
n = 0;
@ -1048,6 +1076,7 @@ setkeymsg_add(unsigned type, unsigned satype, struct addrinfo *srcs,
struct sadb_x_nat_t_type m_natt_type;
struct sadb_x_nat_t_port m_natt_port;
struct sadb_x_nat_t_frag m_natt_frag;
struct sadb_x_if_hw_offl m_if_hw;
int n;
int plen;
struct sockaddr *sa;
@ -1264,6 +1293,20 @@ setkeymsg_add(unsigned type, unsigned satype, struct addrinfo *srcs,
}
}
if (p_hwif.len != 0) {
len = sizeof(struct sadb_x_if_hw_offl);
m_if_hw.sadb_x_if_hw_offl_len = PFKEY_UNIT64(len);
m_if_hw.sadb_x_if_hw_offl_exttype = SADB_X_EXT_IF_HW_OFFL;
m_if_hw.sadb_x_if_hw_offl_flags = 0;
memset(&m_if_hw.sadb_x_if_hw_offl_if[0], 0,
sizeof(m_if_hw.sadb_x_if_hw_offl_if));
strlcpy(&m_if_hw.sadb_x_if_hw_offl_if[0], p_hwif.buf,
sizeof(m_if_hw.sadb_x_if_hw_offl_if));
memcpy(buf + l, &m_if_hw, len);
l += len;
}
if (n == 0)
return -1;
else
@ -1365,6 +1408,8 @@ parse_init(void)
p_natt_fraglen = -1;
esn = false;
p_hwif.len = 0;
p_hwif.buf = NULL;
}
void

1
sbin/setkey/token.l
View File

@ -188,6 +188,7 @@ nocyclic-seq { return(NOCYCLICSEQ); }
{hyphen}natt { return(F_NATT); }
{hyphen}natt_mtu { return(F_NATT_MTU); }
{hyphen}esn { return(F_ESN); }
{hyphen}hwif { return(F_HWIF); }
/* ... */
any { return(ANY); }