diff options
author | Lorenzo Colitti <lorenzo@google.com> | 2014-02-25 09:27:31 +0900 |
---|---|---|
committer | Lorenzo Colitti <lorenzo@google.com> | 2014-02-25 14:42:22 +0900 |
commit | a4454bfda99803c287b78f8d1cd7bdc1b56065db (patch) | |
tree | cfd53ea75be3ab1de009c549e703319a4ad2473a /translate.h | |
parent | fcac410fa15613873a07143ccd46470b869346a3 (diff) | |
download | android_external_android-clat-a4454bfda99803c287b78f8d1cd7bdc1b56065db.tar.gz android_external_android-clat-a4454bfda99803c287b78f8d1cd7bdc1b56065db.tar.bz2 android_external_android-clat-a4454bfda99803c287b78f8d1cd7bdc1b56065db.zip |
Declare pos as clat_packet_index instead of int
Bug: 11542311
Change-Id: Id5771c9685286b70a8ad283c259c7f83662e8b76
Diffstat (limited to 'translate.h')
-rw-r--r-- | translate.h | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/translate.h b/translate.h index ab20a55..421d2a5 100644 --- a/translate.h +++ b/translate.h @@ -36,18 +36,18 @@ // The CLAT_POS_XXX constants represent the array indices within the clat_packet that contain // specific parts of the packet. The packet_* functions operate on all the packet segments past a // given position. -enum clat_packet_index { +typedef enum { CLAT_POS_TUNHDR, CLAT_POS_IPHDR, CLAT_POS_FRAGHDR, CLAT_POS_TRANSPORTHDR, CLAT_POS_ICMPERR_IPHDR, CLAT_POS_ICMPERR_FRAGHDR, CLAT_POS_ICMPERR_TRANSPORTHDR, CLAT_POS_PAYLOAD, CLAT_POS_MAX -}; +} clat_packet_index; typedef struct iovec clat_packet[CLAT_POS_MAX]; // Calculates the checksum over all the packet components starting from pos. -uint16_t packet_checksum(uint32_t checksum, clat_packet packet, int pos); +uint16_t packet_checksum(uint32_t checksum, clat_packet packet, clat_packet_index pos); // Returns the total length of the packet components after pos. -uint16_t packet_length(clat_packet packet, int pos); +uint16_t packet_length(clat_packet packet, clat_packet_index pos); // Returns true iff the given IPv6 address is in the plat subnet. int is_in_plat_subnet(const struct in6_addr *addr6); @@ -64,8 +64,8 @@ void translate_packet(const struct tun_data *tunnel, struct tun_pi *tun_header, const uint8_t *packet, size_t packetsize); // Translate IPv4 and IPv6 packets. -int ipv4_packet(clat_packet out, int pos, const uint8_t *packet, size_t len); -int ipv6_packet(clat_packet out, int pos, const uint8_t *packet, size_t len); +int ipv4_packet(clat_packet out, clat_packet_index pos, const uint8_t *packet, size_t len); +int ipv6_packet(clat_packet out, clat_packet_index pos, const uint8_t *packet, size_t len); // Deal with fragmented packets. size_t maybe_fill_frag_header(struct ip6_frag *frag_hdr, struct ip6_hdr *ip6_targ, @@ -73,25 +73,24 @@ size_t maybe_fill_frag_header(struct ip6_frag *frag_hdr, struct ip6_hdr *ip6_tar uint8_t parse_frag_header(const struct ip6_frag *frag_hdr, struct iphdr *ip_targ); // Translate ICMP packets. -int icmp_to_icmp6(clat_packet out, int pos, const struct icmphdr *icmp, uint32_t checksum, - const uint8_t *payload, size_t payload_size); -int icmp6_to_icmp(clat_packet out, int pos, const struct icmp6_hdr *icmp6, +int icmp_to_icmp6(clat_packet out, clat_packet_index pos, const struct icmphdr *icmp, + uint32_t checksum, const uint8_t *payload, size_t payload_size); +int icmp6_to_icmp(clat_packet out, clat_packet_index pos, const struct icmp6_hdr *icmp6, const uint8_t *payload, size_t payload_size); // Translate generic IP packets. -int generic_packet(clat_packet out, int pos, - const uint8_t *payload, size_t len); +int generic_packet(clat_packet out, clat_packet_index pos, const uint8_t *payload, size_t len); // Translate TCP and UDP packets. -int tcp_packet(clat_packet out, int pos, const struct tcphdr *tcp, +int tcp_packet(clat_packet out, clat_packet_index pos, const struct tcphdr *tcp, uint32_t old_sum, uint32_t new_sum, size_t len); -int udp_packet(clat_packet out, int pos, const struct udphdr *udp, +int udp_packet(clat_packet out, clat_packet_index pos, const struct udphdr *udp, uint32_t old_sum, uint32_t new_sum, size_t len); -int tcp_translate(clat_packet out, int pos, const struct tcphdr *tcp, size_t header_size, - uint32_t old_sum, uint32_t new_sum, +int tcp_translate(clat_packet out, clat_packet_index pos, const struct tcphdr *tcp, + size_t header_size, uint32_t old_sum, uint32_t new_sum, const uint8_t *payload, size_t payload_size); -int udp_translate(clat_packet out, int pos, const struct udphdr *udp, +int udp_translate(clat_packet out, clat_packet_index pos, const struct udphdr *udp, uint32_t old_sum, uint32_t new_sum, const uint8_t *payload, size_t payload_size); |