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| author | Shmulik Ladkani <shmulik@metanetworks.com> | 2019-10-25 16:42:22 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2019-10-30 16:37:01 +0100 |
| commit | af21c717f4757985771e2cee0b6e0cf21b831477 (patch) | |
| tree | 0356ab69e34e3ecfcc3fd7e2e23812eb913408c2 /lib/test_bpf.c | |
| parent | 7e07e7aec56984364c7e16d242a0ec97b91861a8 (diff) | |
| download | linux-af21c717f4757985771e2cee0b6e0cf21b831477.tar.gz linux-af21c717f4757985771e2cee0b6e0cf21b831477.tar.bz2 linux-af21c717f4757985771e2cee0b6e0cf21b831477.zip | |
bpf, testing: Refactor test_skb_segment() for testing skb_segment() on different skbs
Currently, test_skb_segment() builds a single test skb and runs
skb_segment() on it.
Extend test_skb_segment() so it processes an array of numerous
skb/feature pairs to test.
Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20191025134223.2761-2-shmulik.ladkani@gmail.com
Diffstat (limited to 'lib/test_bpf.c')
| -rw-r--r-- | lib/test_bpf.c | 51 |
1 files changed, 41 insertions, 10 deletions
diff --git a/lib/test_bpf.c b/lib/test_bpf.c index 5ef3eccee27c..c952df82b515 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -6859,34 +6859,65 @@ err_page0: return NULL; } -static __init int test_skb_segment(void) -{ +struct skb_segment_test { + const char *descr; + struct sk_buff *(*build_skb)(void); netdev_features_t features; +}; + +static struct skb_segment_test skb_segment_tests[] __initconst = { + { + .descr = "gso_with_rx_frags", + .build_skb = build_test_skb, + .features = NETIF_F_SG | NETIF_F_GSO_PARTIAL | NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM + } +}; + +static __init int test_skb_segment_single(const struct skb_segment_test *test) +{ struct sk_buff *skb, *segs; int ret = -1; - features = NETIF_F_SG | NETIF_F_GSO_PARTIAL | NETIF_F_IP_CSUM | - NETIF_F_IPV6_CSUM; - features |= NETIF_F_RXCSUM; - skb = build_test_skb(); + skb = test->build_skb(); if (!skb) { pr_info("%s: failed to build_test_skb", __func__); goto done; } - segs = skb_segment(skb, features); + segs = skb_segment(skb, test->features); if (!IS_ERR(segs)) { kfree_skb_list(segs); ret = 0; - pr_info("%s: success in skb_segment!", __func__); - } else { - pr_info("%s: failed in skb_segment!", __func__); } kfree_skb(skb); done: return ret; } +static __init int test_skb_segment(void) +{ + int i, err_cnt = 0, pass_cnt = 0; + + for (i = 0; i < ARRAY_SIZE(skb_segment_tests); i++) { + const struct skb_segment_test *test = &skb_segment_tests[i]; + + pr_info("#%d %s ", i, test->descr); + + if (test_skb_segment_single(test)) { + pr_cont("FAIL\n"); + err_cnt++; + } else { + pr_cont("PASS\n"); + pass_cnt++; + } + } + + pr_info("%s: Summary: %d PASSED, %d FAILED\n", __func__, + pass_cnt, err_cnt); + return err_cnt ? -EINVAL : 0; +} + static __init int test_bpf(void) { int i, err_cnt = 0, pass_cnt = 0; |