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byte-order: Make hton128() and ntoh128() behave like their counterparts.

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Instead of taking the source and destination as arguments, make these
functions act like their short and long counterparts.

Signed-off-by: Justin Pettit <jpettit@ovn.org>
Acked-by: Ben Pfaff <blp@ovn.org>
This commit is contained in:
Justin Pettit
2015-10-31 03:12:38 -07:00
parent 184dfff00a
commit 32ea15f6f5
5 changed files with 29 additions and 39 deletions
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22
lib/byte-order.h
View File

@@ -42,18 +42,24 @@ ovs_be64 htonll(uint64_t);
uint64_t ntohll(ovs_be64);
#endif
static inline void
hton128(const ovs_u128 *src, ovs_be128 *dst)
static inline ovs_be128
hton128(const ovs_u128 src)
{
dst->be64.hi = htonll(src->u64.hi);
dst->be64.lo = htonll(src->u64.lo);
ovs_be128 dst;
dst.be64.hi = htonll(src.u64.hi);
dst.be64.lo = htonll(src.u64.lo);
return dst;
}
static inline void
ntoh128(const ovs_be128 *src, ovs_u128 *dst)
static inline ovs_u128
ntoh128(const ovs_be128 src)
{
dst->u64.hi = ntohll(src->be64.hi);
dst->u64.lo = ntohll(src->be64.lo);
ovs_u128 dst;
dst.u64.hi = ntohll(src.be64.hi);
dst.u64.lo = ntohll(src.be64.lo);
return dst;
}
static inline uint32_t

6
lib/match.c
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@@ -979,13 +979,11 @@ static void
format_ct_label_masked(struct ds *s, const ovs_u128 *key, const ovs_u128 *mask)
{
if (!ovs_u128_is_zero(mask)) {
ovs_be128 value;
hton128(key, &value);
ovs_be128 value = hton128(*key);
ds_put_format(s, "ct_label=");
ds_put_hex(s, &value, sizeof value);
if (!is_all_ones(mask, sizeof(*mask))) {
hton128(mask, &value);
value = hton128(*mask);
ds_put_char(s, '/');
ds_put_hex(s, &value, sizeof value);
}

26
lib/meta-flow.c
View File

@@ -671,7 +671,7 @@ mf_get_value(const struct mf_field *mf, const struct flow *flow,
break;
case MFF_CT_LABEL:
hton128(&flow->ct_label, &value->be128);
value->be128 = hton128(flow->ct_label);
break;
CASE_MFF_REGS:
@@ -918,13 +918,9 @@ mf_set_value(const struct mf_field *mf,
match_set_ct_mark(match, ntohl(value->be32));
break;
case MFF_CT_LABEL: {
ovs_u128 label;
ntoh128(&value->be128, &label);
match_set_ct_label(match, label);
case MFF_CT_LABEL:
match_set_ct_label(match, ntoh128(value->be128));
break;
}
CASE_MFF_REGS:
match_set_reg(match, mf->id - MFF_REG0, ntohl(value->be32));
@@ -1223,7 +1219,7 @@ mf_set_flow_value(const struct mf_field *mf,
break;
case MFF_CT_LABEL:
ntoh128(&value->be128, &flow->ct_label);
flow->ct_label = ntoh128(value->be128);
break;
CASE_MFF_REGS:
@@ -1810,18 +1806,10 @@ mf_set(const struct mf_field *mf,
match_set_ct_mark_masked(match, ntohl(value->be32), ntohl(mask->be32));
break;
case MFF_CT_LABEL: {
ovs_u128 hlabel, hmask;
ntoh128(&value->be128, &hlabel);
if (mask) {
ntoh128(&mask->be128, &hmask);
} else {
hmask.u64.lo = hmask.u64.hi = UINT64_MAX;
}
match_set_ct_label_masked(match, hlabel, hmask);
case MFF_CT_LABEL:
match_set_ct_label_masked(match, ntoh128(value->be128),
mask ? ntoh128(mask->be128) : OVS_U128_MAX);
break;
}
case MFF_ETH_DST:
match_set_dl_dst_masked(match, value->mac, mask->mac);

6
lib/nx-match.c
View File

@@ -786,10 +786,8 @@ nxm_put_ct_label(struct ofpbuf *b,
enum mf_field_id field, enum ofp_version version,
const ovs_u128 value, const ovs_u128 mask)
{
ovs_be128 bevalue, bemask;
hton128(&value, &bevalue);
hton128(&mask, &bemask);
ovs_be128 bevalue = hton128(value);
ovs_be128 bemask = hton128(mask);
nxm_put(b, field, version, &bevalue, &bemask, sizeof(bevalue));
}

8
lib/odp-util.c
View File

@@ -2540,10 +2540,10 @@ format_u128(struct ds *ds, const ovs_u128 *key, const ovs_u128 *mask,
if (verbose || (mask && !ovs_u128_is_zero(mask))) {
ovs_be128 value;
hton128(key, &value);
value = hton128(*key);
ds_put_hex(ds, &value, sizeof value);
if (mask && !(ovs_u128_is_ones(mask))) {
hton128(mask, &value);
value = hton128(*mask);
ds_put_char(ds, '/');
ds_put_hex(ds, &value, sizeof value);
}
@@ -2558,7 +2558,7 @@ scan_u128(const char *s_, ovs_u128 *value, ovs_u128 *mask)
ovs_be128 be_mask;
if (!parse_int_string(s, (uint8_t *)&be_value, sizeof be_value, &s)) {
ntoh128(&be_value, value);
*value = ntoh128(be_value);
if (mask) {
int n;
@@ -2572,7 +2572,7 @@ scan_u128(const char *s_, ovs_u128 *value, ovs_u128 *mask)
if (error) {
return error;
}
ntoh128(&be_mask, mask);
*mask = ntoh128(be_mask);
} else {
*mask = OVS_U128_MAX;
}