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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2005-10-15 10:58:30 +1000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@mandriva.com> | 2005-10-26 00:48:45 -0200 |
| commit | 80b30c1023dbd795faf948dee0cfb3b270b56d47 (patch) | |
| tree | 18a6c4d4647e6b52ea9b53e1f938b5e7f7e97f8f /net/xfrm/xfrm_state.c | |
| parent | 1371e37da299d4df6267ad0ddf010435782c28e9 (diff) | |
| download | lwn-80b30c1023dbd795faf948dee0cfb3b270b56d47.tar.gz lwn-80b30c1023dbd795faf948dee0cfb3b270b56d47.zip | |
[IPSEC]: Kill obsolete get_mss function
Now that we've switched over to storing MTUs in the xfrm_dst entries,
we no longer need the dst's get_mss methods. This patch gets rid of
them.
It also documents the fact that our MTU calculation is not optimal
for ESP.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Diffstat (limited to 'net/xfrm/xfrm_state.c')
| -rw-r--r-- | net/xfrm/xfrm_state.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 9d206c282cf1..8b9a4747417d 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1026,6 +1026,12 @@ void xfrm_state_delete_tunnel(struct xfrm_state *x) } EXPORT_SYMBOL(xfrm_state_delete_tunnel); +/* + * This function is NOT optimal. For example, with ESP it will give an + * MTU that's usually two bytes short of being optimal. However, it will + * usually give an answer that's a multiple of 4 provided the input is + * also a multiple of 4. + */ int xfrm_state_mtu(struct xfrm_state *x, int mtu) { int res = mtu; |