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| author | Steffen Klassert <steffen.klassert@secunet.com> | 2017-04-14 10:06:33 +0200 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2017-04-14 10:06:33 +0200 |
| commit | fca11ebde3f0d1c637550a9b231caa385ce35749 (patch) | |
| tree | 52b18ae170138ecbdd2dbfd7d1add335d4e5c0af /include/net/esp.h | |
| parent | f1fbed0e89303e6100085ea1dfb25d8413ca06ec (diff) | |
| download | linux-fca11ebde3f0d1c637550a9b231caa385ce35749.tar.gz linux-fca11ebde3f0d1c637550a9b231caa385ce35749.tar.bz2 linux-fca11ebde3f0d1c637550a9b231caa385ce35749.zip | |
esp4: Reorganize esp_output
We need a fallback for ESP at layer 2, so split esp_output
into generic functions that can be used at layer 3 and layer 2
and use them in esp_output. We also add esp_xmit which is
used for the layer 2 fallback.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'include/net/esp.h')
| -rw-r--r-- | include/net/esp.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/net/esp.h b/include/net/esp.h index a43be85aedc4..411a49915f11 100644 --- a/include/net/esp.h +++ b/include/net/esp.h @@ -10,4 +10,20 @@ static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb) return (struct ip_esp_hdr *)skb_transport_header(skb); } +struct esp_info { + struct ip_esp_hdr *esph; + __be64 seqno; + int tfclen; + int tailen; + int plen; + int clen; + int len; + int nfrags; + __u8 proto; + bool inplace; +}; + +int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp); +int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp); +int esp_input_done2(struct sk_buff *skb, int err); #endif |