| Message ID | 20181031021758.66752-3-doucette@bu.edu (mailing list archive) |
|---|---|
| State | New |
| Delegated to: | Thomas Monjalon |
| Headers | show |
| Series | Extend rte_ipv6_frag_get_ipv6_fragment_header() | expand |
| Context | Check | Description |
|---|---|---|
| ci/checkpatch | success | coding style OK |
| ci/Intel-compilation | success | Compilation OK |
31/10/2018 03:17, Cody Doucette: > Add a common IPv6 extension header and an inline function > for determining whether a next header field represents > an IPv6 extension header. > > Signed-off-by: Cody Doucette <doucette@bu.edu> Olivier, is this patch OK?
On Wed, Oct 31, 2018 at 06:03:37PM +0100, Thomas Monjalon wrote: > 31/10/2018 03:17, Cody Doucette: > > Add a common IPv6 extension header and an inline function > > for determining whether a next header field represents > > an IPv6 extension header. > > > > Signed-off-by: Cody Doucette <doucette@bu.edu> > > Olivier, is this patch OK? Yes, thanks Acked-by: Olivier Matz <olivier.matz@6wind.com>
diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h index f2a8904a2..43dbb15e4 100644 --- a/lib/librte_net/rte_ip.h +++ b/lib/librte_net/rte_ip.h @@ -350,6 +350,14 @@ struct ipv6_hdr { #define IPV6_HDR_FL_MASK ((1u << IPV6_HDR_TC_SHIFT) - 1) #define IPV6_HDR_TC_MASK (0xf << IPV6_HDR_TC_SHIFT) +/** + * IPv6 extension header + */ +struct ipv6_opt_hdr { + uint8_t nexthdr; /**< Next header. */ + uint8_t hdrlen; /**< Length; presence & meaning varies by ext type. */ +} __attribute__((packed)); + /** * Process the pseudo-header checksum of an IPv6 header. * @@ -421,6 +429,25 @@ rte_ipv6_udptcp_cksum(const struct ipv6_hdr *ipv6_hdr, const void *l4_hdr) return (uint16_t)cksum; } +/** + * Check whether an IPv6 nexthdr value is for an IPv6 extension header. + * + * @param nexthdr + * The protocol/next header field from an IPv6 (extension) header. + * @return + * Whether the nexthdr field is for an IPv6 extension header. + */ +static inline int +ipv6_ext_hdr(uint8_t nexthdr) +{ + return (nexthdr == IPPROTO_HOPOPTS) || + (nexthdr == IPPROTO_ROUTING) || + (nexthdr == IPPROTO_FRAGMENT) || + (nexthdr == IPPROTO_AH) || + (nexthdr == IPPROTO_NONE) || + (nexthdr == IPPROTO_DSTOPTS); +} + #ifdef __cplusplus } #endif
Add a common IPv6 extension header and an inline function for determining whether a next header field represents an IPv6 extension header. Signed-off-by: Cody Doucette <doucette@bu.edu> --- lib/librte_net/rte_ip.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+)