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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 00:04:44 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 00:04:44 -0400
commitf8965467f366fd18f01feafb5db10512d7b4422c (patch)
tree3706a9cd779859271ca61b85c63a1bc3f82d626e /include/net/mld.h
parenta26272e5200765691e67d6780e52b32498fdb659 (diff)
parent2ec8c6bb5d8f3a62a79f463525054bae1e3d4487 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1674 commits) qlcnic: adding co maintainer ixgbe: add support for active DA cables ixgbe: dcb, do not tag tc_prio_control frames ixgbe: fix ixgbe_tx_is_paused logic ixgbe: always enable vlan strip/insert when DCB is enabled ixgbe: remove some redundant code in setting FCoE FIP filter ixgbe: fix wrong offset to fc_frame_header in ixgbe_fcoe_ddp ixgbe: fix header len when unsplit packet overflows to data buffer ipv6: Never schedule DAD timer on dead address ipv6: Use POSTDAD state ipv6: Use state_lock to protect ifa state ipv6: Replace inet6_ifaddr->dead with state cxgb4: notify upper drivers if the device is already up when they load cxgb4: keep interrupts available when the ports are brought down cxgb4: fix initial addition of MAC address cnic: Return SPQ credit to bnx2x after ring setup and shutdown. cnic: Convert cnic_local_flags to atomic ops. can: Fix SJA1000 command register writes on SMP systems bridge: fix build for CONFIG_SYSFS disabled ARCNET: Limit com20020 PCI ID matches for SOHARD cards ... Fix up various conflicts with pcmcia tree drivers/net/ {pcmcia/3c589_cs.c, wireless/orinoco/orinoco_cs.c and wireless/orinoco/spectrum_cs.c} and feature removal (Documentation/feature-removal-schedule.txt). Also fix a non-content conflict due to pm_qos_requirement getting renamed in the PM tree (now pm_qos_request) in net/mac80211/scan.c
Diffstat (limited to 'include/net/mld.h')
-rw-r--r--include/net/mld.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/include/net/mld.h b/include/net/mld.h
new file mode 100644
index 000000000000..467143cd4e2f
--- /dev/null
+++ b/include/net/mld.h
@@ -0,0 +1,75 @@
1#ifndef LINUX_MLD_H
2#define LINUX_MLD_H
3
4#include <linux/in6.h>
5#include <linux/icmpv6.h>
6
7/* MLDv1 Query/Report/Done */
8struct mld_msg {
9 struct icmp6hdr mld_hdr;
10 struct in6_addr mld_mca;
11};
12
13#define mld_type mld_hdr.icmp6_type
14#define mld_code mld_hdr.icmp6_code
15#define mld_cksum mld_hdr.icmp6_cksum
16#define mld_maxdelay mld_hdr.icmp6_maxdelay
17#define mld_reserved mld_hdr.icmp6_dataun.un_data16[1]
18
19/* Multicast Listener Discovery version 2 headers */
20/* MLDv2 Report */
21struct mld2_grec {
22 __u8 grec_type;
23 __u8 grec_auxwords;
24 __be16 grec_nsrcs;
25 struct in6_addr grec_mca;
26 struct in6_addr grec_src[0];
27};
28
29struct mld2_report {
30 struct icmp6hdr mld2r_hdr;
31 struct mld2_grec mld2r_grec[0];
32};
33
34#define mld2r_type mld2r_hdr.icmp6_type
35#define mld2r_resv1 mld2r_hdr.icmp6_code
36#define mld2r_cksum mld2r_hdr.icmp6_cksum
37#define mld2r_resv2 mld2r_hdr.icmp6_dataun.un_data16[0]
38#define mld2r_ngrec mld2r_hdr.icmp6_dataun.un_data16[1]
39
40/* MLDv2 Query */
41struct mld2_query {
42 struct icmp6hdr mld2q_hdr;
43 struct in6_addr mld2q_mca;
44#if defined(__LITTLE_ENDIAN_BITFIELD)
45 __u8 mld2q_qrv:3,
46 mld2q_suppress:1,
47 mld2q_resv2:4;
48#elif defined(__BIG_ENDIAN_BITFIELD)
49 __u8 mld2q_resv2:4,
50 mld2q_suppress:1,
51 mld2q_qrv:3;
52#else
53#error "Please fix <asm/byteorder.h>"
54#endif
55 __u8 mld2q_qqic;
56 __be16 mld2q_nsrcs;
57 struct in6_addr mld2q_srcs[0];
58};
59
60#define mld2q_type mld2q_hdr.icmp6_type
61#define mld2q_code mld2q_hdr.icmp6_code
62#define mld2q_cksum mld2q_hdr.icmp6_cksum
63#define mld2q_mrc mld2q_hdr.icmp6_maxdelay
64#define mld2q_resv1 mld2q_hdr.icmp6_dataun.un_data16[1]
65
66/* Max Response Code */
67#define MLDV2_MASK(value, nb) ((nb)>=32 ? (value) : ((1<<(nb))-1) & (value))
68#define MLDV2_EXP(thresh, nbmant, nbexp, value) \
69 ((value) < (thresh) ? (value) : \
70 ((MLDV2_MASK(value, nbmant) | (1<<(nbmant))) << \
71 (MLDV2_MASK((value) >> (nbmant), nbexp) + (nbexp))))
72
73#define MLDV2_MRC(value) MLDV2_EXP(0x8000, 12, 3, value)
74
75#endif