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| author | Jeff Garzik <jeff@garzik.org> | 2006-09-24 05:52:47 (GMT) |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-24 05:52:47 (GMT) |
| commit | 23930fa1cebfea6f79881c588ccd1b0781e49e3f (patch) | |
| tree | 36d29e3f83661c4f5f45b6f74ac0d5f9886867a8 /net/netfilter/core.c | |
| parent | 36b35a5be0e4b406acd816e2122d153e875105be (diff) | |
| parent | 4f5537de7c1531398e84e18a24f667e49cc94208 (diff) | |
| download | linux-fsl-qoriq-23930fa1cebfea6f79881c588ccd1b0781e49e3f.tar.xz | |
Merge branch 'master' into upstream
Diffstat (limited to 'net/netfilter/core.c')
| -rw-r--r-- | net/netfilter/core.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/net/netfilter/core.c b/net/netfilter/core.c index 5d29d5e..d80b935 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -182,7 +182,7 @@ next_hook: ret = -EPERM; } else if ((verdict & NF_VERDICT_MASK) == NF_QUEUE) { NFDEBUG("nf_hook: Verdict = QUEUE.\n"); - if (!nf_queue(pskb, elem, pf, hook, indev, outdev, okfn, + if (!nf_queue(*pskb, elem, pf, hook, indev, outdev, okfn, verdict >> NF_VERDICT_BITS)) goto next_hook; } @@ -222,6 +222,28 @@ copy_skb: } EXPORT_SYMBOL(skb_make_writable); +u_int16_t nf_csum_update(u_int32_t oldval, u_int32_t newval, u_int32_t csum) +{ + u_int32_t diff[] = { oldval, newval }; + + return csum_fold(csum_partial((char *)diff, sizeof(diff), ~csum)); +} +EXPORT_SYMBOL(nf_csum_update); + +u_int16_t nf_proto_csum_update(struct sk_buff *skb, + u_int32_t oldval, u_int32_t newval, + u_int16_t csum, int pseudohdr) +{ + if (skb->ip_summed != CHECKSUM_PARTIAL) { + csum = nf_csum_update(oldval, newval, csum); + if (skb->ip_summed == CHECKSUM_COMPLETE && pseudohdr) + skb->csum = nf_csum_update(oldval, newval, skb->csum); + } else if (pseudohdr) + csum = ~nf_csum_update(oldval, newval, ~csum); + + return csum; +} +EXPORT_SYMBOL(nf_proto_csum_update); /* This does not belong here, but locally generated errors need it if connection tracking in use: without this, connection may not be in hash table, and hence |