Modify the pseudo-header checksum functions.
- Remove the initial checksum, which we don't use anywhere.
- Add the upper-layer protocol to the IPv6 function. Currently
this is always the same as the next header field in the IPv6
header, but technically it's the upper-layer header after all
the extension headers. This is required to support fragments.
Bug: 11542311
Change-Id: Ie1a20fa74ee5bc933c1014bab74ae2957979b2b8
diff --git a/checksum.h b/checksum.h
index 44921f0..6195810 100644
--- a/checksum.h
+++ b/checksum.h
@@ -22,8 +22,8 @@
uint16_t ip_checksum_finish(uint32_t temp_sum);
uint16_t ip_checksum(const void *data, int len);
-uint32_t ipv6_pseudo_header_checksum(uint32_t current, const struct ip6_hdr *ip6, uint16_t len);
-uint32_t ipv4_pseudo_header_checksum(uint32_t current, const struct iphdr *ip, uint16_t len);
+uint32_t ipv6_pseudo_header_checksum(const struct ip6_hdr *ip6, uint16_t len, uint8_t protocol);
+uint32_t ipv4_pseudo_header_checksum(const struct iphdr *ip, uint16_t len);
uint16_t ip_checksum_adjust(uint16_t checksum, uint32_t old_hdr_sum, uint32_t new_hdr_sum);