diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_xdp_noinline.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/test_xdp_noinline.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_noinline.c b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c index 8beecec166d9..3a67921f62b5 100644 --- a/tools/testing/selftests/bpf/progs/test_xdp_noinline.c +++ b/tools/testing/selftests/bpf/progs/test_xdp_noinline.c @@ -16,7 +16,7 @@ #include <bpf/bpf_helpers.h> #include <bpf/bpf_endian.h> -static __u32 rol32(__u32 word, unsigned int shift) +static __always_inline __u32 rol32(__u32 word, unsigned int shift) { return (word << shift) | (word >> ((-shift) & 31)); } @@ -49,7 +49,7 @@ static __u32 rol32(__u32 word, unsigned int shift) typedef unsigned int u32; -static __attribute__ ((noinline)) +static __noinline u32 jhash(const void *key, u32 length, u32 initval) { u32 a, b, c; @@ -86,7 +86,7 @@ u32 jhash(const void *key, u32 length, u32 initval) return c; } -__attribute__ ((noinline)) +__noinline u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval) { a += initval; @@ -96,7 +96,7 @@ u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval) return c; } -__attribute__ ((noinline)) +__noinline u32 jhash_2words(u32 a, u32 b, u32 initval) { return __jhash_nwords(a, b, 0, initval + JHASH_INITVAL + (2 << 2)); @@ -213,7 +213,7 @@ struct eth_hdr { unsigned short eth_proto; }; -static inline __u64 calc_offset(bool is_ipv6, bool is_icmp) +static __noinline __u64 calc_offset(bool is_ipv6, bool is_icmp) { __u64 off = sizeof(struct eth_hdr); if (is_ipv6) { @@ -797,8 +797,8 @@ out: return XDP_DROP; } -__attribute__ ((section("xdp-test"), used)) -int balancer_ingress(struct xdp_md *ctx) +SEC("xdp-test-v4") +int balancer_ingress_v4(struct xdp_md *ctx) { void *data = (void *)(long)ctx->data; void *data_end = (void *)(long)ctx->data_end; @@ -812,11 +812,27 @@ int balancer_ingress(struct xdp_md *ctx) eth_proto = bpf_ntohs(eth->eth_proto); if (eth_proto == ETH_P_IP) return process_packet(data, nh_off, data_end, 0, ctx); - else if (eth_proto == ETH_P_IPV6) + else + return XDP_DROP; +} + +SEC("xdp-test-v6") +int balancer_ingress_v6(struct xdp_md *ctx) +{ + void *data = (void *)(long)ctx->data; + void *data_end = (void *)(long)ctx->data_end; + struct eth_hdr *eth = data; + __u32 eth_proto; + __u32 nh_off; + + nh_off = sizeof(struct eth_hdr); + if (data + nh_off > data_end) + return XDP_DROP; + eth_proto = bpf_ntohs(eth->eth_proto); + if (eth_proto == ETH_P_IPV6) return process_packet(data, nh_off, data_end, 1, ctx); else return XDP_DROP; } -char _license[] __attribute__ ((section("license"), used)) = "GPL"; -int _version __attribute__ ((section("version"), used)) = 1; +char _license[] SEC("license") = "GPL"; |