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packets: New packet_set_*() helper functions.

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This commit pulls code used to modify L3 and L4 header fields
from dp_netdev into the packet library.  An additional user will
be added in a future commit.

Signed-off-by: Ethan Jackson <ethan@nicira.com>
This commit is contained in:
Ethan Jackson
2011-12-15 17:58:23 -08:00
parent 65120a8a4e
commit c97664b30f
3 changed files with 116 additions and 109 deletions
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4
lib/packets.h
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@@ -463,5 +463,9 @@ void *eth_compose(struct ofpbuf *, const uint8_t eth_dst[ETH_ADDR_LEN],
void *snap_compose(struct ofpbuf *, const uint8_t eth_dst[ETH_ADDR_LEN],
const uint8_t eth_src[ETH_ADDR_LEN],
unsigned int oui, uint16_t snap_type, size_t size);
void packet_set_ipv4(struct ofpbuf *, ovs_be32 src, ovs_be32 dst, uint8_t tos,
uint8_t ttl);
void packet_set_tcp_port(struct ofpbuf *, ovs_be16 src, ovs_be16 dst);
void packet_set_udp_port(struct ofpbuf *, ovs_be16 src, ovs_be16 dst);
#endif /* packets.h */