diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_l4lb_noinline.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_l4lb_noinline.c | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c index 28351936a438..c8bc0c6947aa 100644 --- a/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c +++ b/tools/testing/selftests/bpf/progs/test_l4lb_noinline.c @@ -17,9 +17,7 @@ #include "test_iptunnel_common.h" #include <bpf/bpf_endian.h> -int _version SEC("version") = 1; - -static __u32 rol32(__u32 word, unsigned int shift) +static __always_inline __u32 rol32(__u32 word, unsigned int shift) { return (word << shift) | (word >> ((-shift) & 31)); } @@ -52,7 +50,7 @@ static __u32 rol32(__u32 word, unsigned int shift) typedef unsigned int u32; -static u32 jhash(const void *key, u32 length, u32 initval) +static __noinline u32 jhash(const void *key, u32 length, u32 initval) { u32 a, b, c; const unsigned char *k = key; @@ -88,7 +86,7 @@ static u32 jhash(const void *key, u32 length, u32 initval) return c; } -static u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval) +static __noinline u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval) { a += initval; b += initval; @@ -97,7 +95,7 @@ static u32 __jhash_nwords(u32 a, u32 b, u32 c, u32 initval) return c; } -static u32 jhash_2words(u32 a, u32 b, u32 initval) +static __noinline u32 jhash_2words(u32 a, u32 b, u32 initval) { return __jhash_nwords(a, b, 0, initval + JHASH_INITVAL + (2 << 2)); } @@ -200,8 +198,7 @@ struct { __type(value, struct ctl_value); } ctl_array SEC(".maps"); -static __u32 get_packet_hash(struct packet_description *pckt, - bool ipv6) +static __noinline __u32 get_packet_hash(struct packet_description *pckt, bool ipv6) { if (ipv6) return jhash_2words(jhash(pckt->srcv6, 16, MAX_VIPS), @@ -210,10 +207,10 @@ static __u32 get_packet_hash(struct packet_description *pckt, return jhash_2words(pckt->src, pckt->ports, CH_RINGS_SIZE); } -static bool get_packet_dst(struct real_definition **real, - struct packet_description *pckt, - struct vip_meta *vip_info, - bool is_ipv6) +static __noinline bool get_packet_dst(struct real_definition **real, + struct packet_description *pckt, + struct vip_meta *vip_info, + bool is_ipv6) { __u32 hash = get_packet_hash(pckt, is_ipv6); __u32 key = RING_SIZE * vip_info->vip_num + hash % RING_SIZE; @@ -221,7 +218,7 @@ static bool get_packet_dst(struct real_definition **real, if (hash != 0x358459b7 /* jhash of ipv4 packet */ && hash != 0x2f4bc6bb /* jhash of ipv6 packet */) - return 0; + return false; real_pos = bpf_map_lookup_elem(&ch_rings, &key); if (!real_pos) @@ -233,8 +230,8 @@ static bool get_packet_dst(struct real_definition **real, return true; } -static int parse_icmpv6(void *data, void *data_end, __u64 off, - struct packet_description *pckt) +static __noinline int parse_icmpv6(void *data, void *data_end, __u64 off, + struct packet_description *pckt) { struct icmp6hdr *icmp_hdr; struct ipv6hdr *ip6h; @@ -255,8 +252,8 @@ static int parse_icmpv6(void *data, void *data_end, __u64 off, return TC_ACT_UNSPEC; } -static int parse_icmp(void *data, void *data_end, __u64 off, - struct packet_description *pckt) +static __noinline int parse_icmp(void *data, void *data_end, __u64 off, + struct packet_description *pckt) { struct icmphdr *icmp_hdr; struct iphdr *iph; @@ -280,8 +277,8 @@ static int parse_icmp(void *data, void *data_end, __u64 off, return TC_ACT_UNSPEC; } -static bool parse_udp(void *data, __u64 off, void *data_end, - struct packet_description *pckt) +static __noinline bool parse_udp(void *data, __u64 off, void *data_end, + struct packet_description *pckt) { struct udphdr *udp; udp = data + off; @@ -299,8 +296,8 @@ static bool parse_udp(void *data, __u64 off, void *data_end, return true; } -static bool parse_tcp(void *data, __u64 off, void *data_end, - struct packet_description *pckt) +static __noinline bool parse_tcp(void *data, __u64 off, void *data_end, + struct packet_description *pckt) { struct tcphdr *tcp; @@ -321,8 +318,8 @@ static bool parse_tcp(void *data, __u64 off, void *data_end, return true; } -static int process_packet(void *data, __u64 off, void *data_end, - bool is_ipv6, struct __sk_buff *skb) +static __noinline int process_packet(void *data, __u64 off, void *data_end, + bool is_ipv6, struct __sk_buff *skb) { void *pkt_start = (void *)(long)skb->data; struct packet_description pckt = {}; @@ -450,7 +447,7 @@ static int process_packet(void *data, __u64 off, void *data_end, return bpf_redirect(ifindex, 0); } -SEC("l4lb-demo") +SEC("tc") int balancer_ingress(struct __sk_buff *ctx) { void *data_end = (void *)(long)ctx->data_end; |