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| author | Andrii Nakryiko <andriin@fb.com> | 2020-09-03 13:35:40 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-09-03 17:14:40 -0700 |
| commit | fab45be1d26e8c3cee62e09bcc39c149b175f848 (patch) | |
| tree | a2103758f982c28fe19134282041fd95ae5568de /tools/testing/selftests/bpf/progs/test_l4lb_noinline.c | |
| parent | d86687ae6b759a3ac3e2db63390cef6006144681 (diff) | |
| download | linux-fab45be1d26e8c3cee62e09bcc39c149b175f848.tar.gz linux-fab45be1d26e8c3cee62e09bcc39c149b175f848.tar.bz2 linux-fab45be1d26e8c3cee62e09bcc39c149b175f848.zip | |
selftests/bpf: Add subprogs to pyperf, strobemeta, and l4lb_noinline tests
Add use of non-inlined subprogs to few bigger selftests to excercise libbpf's
bpf2bpf handling logic. Also split l4lb_all selftest into two sub-tests.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200903203542.15944-13-andriin@fb.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_l4lb_noinline.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_l4lb_noinline.c | 41 |
1 files changed, 19 insertions, 22 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..b9e2753f4f91 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; @@ -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 = {}; |