[ovs-dev] [PATCH 1/2] flow: Add 'const' qualifiers in flow extraction.
Ben Pfaff
blp at nicira.com
Mon Jun 8 16:36:05 UTC 2015
Signed-off-by: Ben Pfaff <blp at nicira.com>
---
lib/flow.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/lib/flow.c b/lib/flow.c
index 0f9ee50..b5ad5f8 100644
--- a/lib/flow.c
+++ b/lib/flow.c
@@ -89,9 +89,9 @@ BUILD_ASSERT_DECL(offsetof(struct flow, tp_src) + 2
* must contain at least 'size' bytes of data. Returns the first byte of data
* removed. */
static inline const void *
-data_pull(void **datap, size_t *sizep, size_t size)
+data_pull(const void **datap, size_t *sizep, size_t size)
{
- char *data = (char *)*datap;
+ const char *data =*datap;
*datap = data + size;
*sizep -= size;
return data;
@@ -101,7 +101,7 @@ data_pull(void **datap, size_t *sizep, size_t size)
* the head end of '*datap' and returns the first byte removed. Otherwise,
* returns a null pointer without modifying '*datap'. */
static inline const void *
-data_try_pull(void **datap, size_t *sizep, size_t size)
+data_try_pull(const void **datap, size_t *sizep, size_t size)
{
return OVS_LIKELY(*sizep >= size) ? data_pull(datap, sizep, size) : NULL;
}
@@ -261,7 +261,7 @@ BUILD_MESSAGE("FLOW_WC_SEQ changed: miniflow_extract() will have runtime "
/* Pulls the MPLS headers at '*datap' and returns the count of them. */
static inline int
-parse_mpls(void **datap, size_t *sizep)
+parse_mpls(const void **datap, size_t *sizep)
{
const struct mpls_hdr *mh;
int count = 0;
@@ -276,7 +276,7 @@ parse_mpls(void **datap, size_t *sizep)
}
static inline ovs_be16
-parse_vlan(void **datap, size_t *sizep)
+parse_vlan(const void **datap, size_t *sizep)
{
const struct eth_header *eth = *datap;
@@ -298,7 +298,7 @@ parse_vlan(void **datap, size_t *sizep)
}
static inline ovs_be16
-parse_ethertype(void **datap, size_t *sizep)
+parse_ethertype(const void **datap, size_t *sizep)
{
const struct llc_snap_header *llc;
ovs_be16 proto;
@@ -331,7 +331,7 @@ parse_ethertype(void **datap, size_t *sizep)
}
static inline bool
-parse_icmpv6(void **datap, size_t *sizep, const struct icmp6_hdr *icmp,
+parse_icmpv6(const void **datap, size_t *sizep, const struct icmp6_hdr *icmp,
const struct in6_addr **nd_target,
uint8_t arp_buf[2][ETH_ADDR_LEN])
{
@@ -423,11 +423,11 @@ void
miniflow_extract(struct dp_packet *packet, struct miniflow *dst)
{
const struct pkt_metadata *md = &packet->md;
- void *data = dp_packet_data(packet);
+ const void *data = dp_packet_data(packet);
size_t size = dp_packet_size(packet);
uint64_t *values = miniflow_values(dst);
struct mf_ctx mf = { 0, values, values + FLOW_U64S };
- char *l2;
+ const char *l2;
ovs_be16 dl_type;
uint8_t nw_frag, nw_tos, nw_ttl, nw_proto;
--
2.1.3
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