diff options
Diffstat (limited to 'package/libs/libnetfilter-queue/patches/100-checksum_computation.patch')
| -rw-r--r-- | package/libs/libnetfilter-queue/patches/100-checksum_computation.patch | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/package/libs/libnetfilter-queue/patches/100-checksum_computation.patch b/package/libs/libnetfilter-queue/patches/100-checksum_computation.patch index cbbff827dd..81faffe82e 100644 --- a/package/libs/libnetfilter-queue/patches/100-checksum_computation.patch +++ b/package/libs/libnetfilter-queue/patches/100-checksum_computation.patch @@ -8,7 +8,7 @@ #include <arpa/inet.h> #include <netinet/ip.h> #include <netinet/ip6.h> -@@ -26,8 +27,13 @@ uint16_t checksum(uint32_t sum, uint16_t +@@ -26,8 +27,13 @@ uint16_t nfq_checksum(uint32_t sum, uint16_t *buf, int size) sum += *buf++; size -= sizeof(uint16_t); } @@ -24,16 +24,16 @@ sum = (sum >> 16) + (sum & 0xffff); sum += (sum >>16); -@@ -35,7 +41,7 @@ uint16_t checksum(uint32_t sum, uint16_t +@@ -35,7 +41,7 @@ uint16_t nfq_checksum(uint32_t sum, uint16_t *buf, int size) return (uint16_t)(~sum); } --uint16_t checksum_tcpudp_ipv4(struct iphdr *iph) -+uint16_t checksum_tcpudp_ipv4(struct iphdr *iph, uint16_t protocol_id) +-uint16_t nfq_checksum_tcpudp_ipv4(struct iphdr *iph) ++uint16_t nfq_checksum_tcpudp_ipv4(struct iphdr *iph, uint16_t protocol_id) { uint32_t sum = 0; uint32_t iph_len = iph->ihl*4; -@@ -46,13 +52,13 @@ uint16_t checksum_tcpudp_ipv4(struct iph +@@ -46,13 +52,13 @@ uint16_t nfq_checksum_tcpudp_ipv4(struct iphdr *iph) sum += (iph->saddr) & 0xFFFF; sum += (iph->daddr >> 16) & 0xFFFF; sum += (iph->daddr) & 0xFFFF; @@ -41,15 +41,15 @@ + sum += htons(protocol_id); sum += htons(len); - return checksum(sum, (uint16_t *)payload, len); + return nfq_checksum(sum, (uint16_t *)payload, len); } --uint16_t checksum_tcpudp_ipv6(struct ip6_hdr *ip6h, void *transport_hdr) -+uint16_t checksum_tcpudp_ipv6(struct ip6_hdr *ip6h, void *transport_hdr, uint16_t protocol_id) +-uint16_t nfq_checksum_tcpudp_ipv6(struct ip6_hdr *ip6h, void *transport_hdr) ++uint16_t nfq_checksum_tcpudp_ipv6(struct ip6_hdr *ip6h, void *transport_hdr, uint16_t protocol_id) { uint32_t sum = 0; uint32_t hdr_len = (uint32_t *)transport_hdr - (uint32_t *)ip6h; -@@ -68,7 +74,7 @@ uint16_t checksum_tcpudp_ipv6(struct ip6 +@@ -68,7 +74,7 @@ uint16_t nfq_checksum_tcpudp_ipv6(struct ip6_hdr *ip6h, void *transport_hdr) sum += (ip6h->ip6_dst.s6_addr16[i] >> 16) & 0xFFFF; sum += (ip6h->ip6_dst.s6_addr16[i]) & 0xFFFF; } @@ -57,57 +57,59 @@ + sum += htons(protocol_id); sum += htons(ip6h->ip6_plen); - return checksum(sum, (uint16_t *)payload, len); + return nfq_checksum(sum, (uint16_t *)payload, len); +diff --git a/src/extra/tcp.c b/src/extra/tcp.c +index d1cd79d..a66f392 100644 --- a/src/extra/tcp.c +++ b/src/extra/tcp.c -@@ -91,7 +91,7 @@ nfq_tcp_compute_checksum_ipv4(struct tcp +@@ -96,7 +96,7 @@ nfq_tcp_compute_checksum_ipv4(struct tcphdr *tcph, struct iphdr *iph) { /* checksum field in header needs to be zero for calculation. */ tcph->check = 0; -- tcph->check = checksum_tcpudp_ipv4(iph); -+ tcph->check = checksum_tcpudp_ipv4(iph, IPPROTO_TCP); +- tcph->check = nfq_checksum_tcpudp_ipv4(iph); ++ tcph->check = nfq_checksum_tcpudp_ipv4(iph, IPPROTO_TCP); } EXPORT_SYMBOL(nfq_tcp_compute_checksum_ipv4); -@@ -105,7 +105,7 @@ nfq_tcp_compute_checksum_ipv6(struct tcp +@@ -110,7 +110,7 @@ nfq_tcp_compute_checksum_ipv6(struct tcphdr *tcph, struct ip6_hdr *ip6h) { /* checksum field in header needs to be zero for calculation. */ tcph->check = 0; -- tcph->check = checksum_tcpudp_ipv6(ip6h, tcph); -+ tcph->check = checksum_tcpudp_ipv6(ip6h, tcph, IPPROTO_TCP); +- tcph->check = nfq_checksum_tcpudp_ipv6(ip6h, tcph); ++ tcph->check = nfq_checksum_tcpudp_ipv6(ip6h, tcph, IPPROTO_TCP); } EXPORT_SYMBOL(nfq_tcp_compute_checksum_ipv6); --- a/src/extra/udp.c +++ b/src/extra/udp.c -@@ -91,7 +91,7 @@ nfq_udp_compute_checksum_ipv4(struct udp +@@ -96,7 +96,7 @@ nfq_udp_compute_checksum_ipv4(struct udphdr *udph, struct iphdr *iph) { /* checksum field in header needs to be zero for calculation. */ udph->check = 0; -- udph->check = checksum_tcpudp_ipv4(iph); -+ udph->check = checksum_tcpudp_ipv4(iph, IPPROTO_UDP); +- udph->check = nfq_checksum_tcpudp_ipv4(iph); ++ udph->check = nfq_checksum_tcpudp_ipv4(iph, IPPROTO_UDP); } EXPORT_SYMBOL(nfq_udp_compute_checksum_ipv4); -@@ -110,7 +110,7 @@ nfq_udp_compute_checksum_ipv6(struct udp +@@ -115,7 +115,7 @@ nfq_udp_compute_checksum_ipv6(struct udphdr *udph, struct ip6_hdr *ip6h) { /* checksum field in header needs to be zero for calculation. */ udph->check = 0; -- udph->check = checksum_tcpudp_ipv6(ip6h, udph); -+ udph->check = checksum_tcpudp_ipv6(ip6h, udph, IPPROTO_UDP); +- udph->check = nfq_checksum_tcpudp_ipv6(ip6h, udph); ++ udph->check = nfq_checksum_tcpudp_ipv6(ip6h, udph, IPPROTO_UDP); } EXPORT_SYMBOL(nfq_udp_compute_checksum_ipv6); --- a/src/internal.h +++ b/src/internal.h -@@ -13,8 +13,8 @@ struct iphdr; +@@ -15,8 +15,8 @@ struct iphdr; struct ip6_hdr; - uint16_t checksum(uint32_t sum, uint16_t *buf, int size); --uint16_t checksum_tcpudp_ipv4(struct iphdr *iph); --uint16_t checksum_tcpudp_ipv6(struct ip6_hdr *ip6h, void *transport_hdr); -+uint16_t checksum_tcpudp_ipv4(struct iphdr *iph, uint16_t protocol_id); -+uint16_t checksum_tcpudp_ipv6(struct ip6_hdr *ip6h, void *transport_hdr, uint16_t protocol_id); + uint16_t nfq_checksum(uint32_t sum, uint16_t *buf, int size); +-uint16_t nfq_checksum_tcpudp_ipv4(struct iphdr *iph); +-uint16_t nfq_checksum_tcpudp_ipv6(struct ip6_hdr *ip6h, void *transport_hdr); ++uint16_t nfq_checksum_tcpudp_ipv4(struct iphdr *iph, uint16_t protocol_id); ++uint16_t nfq_checksum_tcpudp_ipv6(struct ip6_hdr *ip6h, void *transport_hdr, uint16_t protocol_id); struct pkt_buff { uint8_t *mac_header; |