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author | Patrick McHardy <kaber@trash.net> | 2010-05-10 18:39:28 +0200 |
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committer | Patrick McHardy <kaber@trash.net> | 2010-05-10 18:39:28 +0200 |
commit | 1e4b1057121bc756b91758a434b504d2010f6088 (patch) | |
tree | b016cf2c728289c7e36d9e4e488f30ab0bd0ae6e /include/net/mld.h | |
parent | 3b254c54ec46eb022cb26ee6ab37fae23f5f7d6a (diff) | |
parent | 3ee943728fff536edaf8f59faa58aaa1aa7366e3 (diff) | |
download | op-kernel-dev-1e4b1057121bc756b91758a434b504d2010f6088.zip op-kernel-dev-1e4b1057121bc756b91758a434b504d2010f6088.tar.gz |
Merge branch 'master' of /repos/git/net-next-2.6
Conflicts:
net/bridge/br_device.c
net/bridge/br_forward.c
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include/net/mld.h')
-rw-r--r-- | include/net/mld.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/net/mld.h b/include/net/mld.h new file mode 100644 index 0000000..467143c --- /dev/null +++ b/include/net/mld.h @@ -0,0 +1,75 @@ +#ifndef LINUX_MLD_H +#define LINUX_MLD_H + +#include <linux/in6.h> +#include <linux/icmpv6.h> + +/* MLDv1 Query/Report/Done */ +struct mld_msg { + struct icmp6hdr mld_hdr; + struct in6_addr mld_mca; +}; + +#define mld_type mld_hdr.icmp6_type +#define mld_code mld_hdr.icmp6_code +#define mld_cksum mld_hdr.icmp6_cksum +#define mld_maxdelay mld_hdr.icmp6_maxdelay +#define mld_reserved mld_hdr.icmp6_dataun.un_data16[1] + +/* Multicast Listener Discovery version 2 headers */ +/* MLDv2 Report */ +struct mld2_grec { + __u8 grec_type; + __u8 grec_auxwords; + __be16 grec_nsrcs; + struct in6_addr grec_mca; + struct in6_addr grec_src[0]; +}; + +struct mld2_report { + struct icmp6hdr mld2r_hdr; + struct mld2_grec mld2r_grec[0]; +}; + +#define mld2r_type mld2r_hdr.icmp6_type +#define mld2r_resv1 mld2r_hdr.icmp6_code +#define mld2r_cksum mld2r_hdr.icmp6_cksum +#define mld2r_resv2 mld2r_hdr.icmp6_dataun.un_data16[0] +#define mld2r_ngrec mld2r_hdr.icmp6_dataun.un_data16[1] + +/* MLDv2 Query */ +struct mld2_query { + struct icmp6hdr mld2q_hdr; + struct in6_addr mld2q_mca; +#if defined(__LITTLE_ENDIAN_BITFIELD) + __u8 mld2q_qrv:3, + mld2q_suppress:1, + mld2q_resv2:4; +#elif defined(__BIG_ENDIAN_BITFIELD) + __u8 mld2q_resv2:4, + mld2q_suppress:1, + mld2q_qrv:3; +#else +#error "Please fix <asm/byteorder.h>" +#endif + __u8 mld2q_qqic; + __be16 mld2q_nsrcs; + struct in6_addr mld2q_srcs[0]; +}; + +#define mld2q_type mld2q_hdr.icmp6_type +#define mld2q_code mld2q_hdr.icmp6_code +#define mld2q_cksum mld2q_hdr.icmp6_cksum +#define mld2q_mrc mld2q_hdr.icmp6_maxdelay +#define mld2q_resv1 mld2q_hdr.icmp6_dataun.un_data16[1] + +/* Max Response Code */ +#define MLDV2_MASK(value, nb) ((nb)>=32 ? (value) : ((1<<(nb))-1) & (value)) +#define MLDV2_EXP(thresh, nbmant, nbexp, value) \ + ((value) < (thresh) ? (value) : \ + ((MLDV2_MASK(value, nbmant) | (1<<(nbmant))) << \ + (MLDV2_MASK((value) >> (nbmant), nbexp) + (nbexp)))) + +#define MLDV2_MRC(value) MLDV2_EXP(0x8000, 12, 3, value) + +#endif |