diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/if_inet6.h | 16 | ||||
| -rw-r--r-- | include/net/ip.h | 8 | ||||
| -rw-r--r-- | include/net/mac80211.h | 15 | ||||
| -rw-r--r-- | include/net/sctp/structs.h | 2 |
4 files changed, 38 insertions, 3 deletions
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 04977eefb0e..fccc2180c61 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -286,5 +286,21 @@ static inline void ipv6_ib_mc_map(const struct in6_addr *addr, buf[9] = broadcast[9]; memcpy(buf + 10, addr->s6_addr + 6, 10); } + +static inline int ipv6_ipgre_mc_map(const struct in6_addr *addr, + const unsigned char *broadcast, char *buf) +{ + if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) { + memcpy(buf, broadcast, 4); + } else { + /* v4mapped? */ + if ((addr->s6_addr32[0] | addr->s6_addr32[1] | + (addr->s6_addr32[2] ^ htonl(0x0000ffff))) != 0) + return -EINVAL; + memcpy(buf, &addr->s6_addr32[3], 4); + } + return 0; +} + #endif #endif diff --git a/include/net/ip.h b/include/net/ip.h index a4f631108c5..7c416583b71 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -339,6 +339,14 @@ static inline void ip_ib_mc_map(__be32 naddr, const unsigned char *broadcast, ch buf[16] = addr & 0x0f; } +static inline void ip_ipgre_mc_map(__be32 naddr, const unsigned char *broadcast, char *buf) +{ + if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) + memcpy(buf, broadcast, 4); + else + memcpy(buf, &naddr, sizeof(naddr)); +} + #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) #include <linux/ipv6.h> #endif diff --git a/include/net/mac80211.h b/include/net/mac80211.h index cefe1b37c49..965f1b16e53 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1753,8 +1753,19 @@ enum ieee80211_ampdu_mlme_action { * that TX/RX_STOP can pass NULL for this parameter. * The @buf_size parameter is only valid when the action is set to * %IEEE80211_AMPDU_TX_OPERATIONAL and indicates the peer's reorder - * buffer size (number of subframes) for this session -- aggregates - * containing more subframes than this may not be transmitted to the peer. + * buffer size (number of subframes) for this session -- the driver + * may neither send aggregates containing more subframes than this + * nor send aggregates in a way that lost frames would exceed the + * buffer size. If just limiting the aggregate size, this would be + * possible with a buf_size of 8: + * - TX: 1.....7 + * - RX: 2....7 (lost frame #1) + * - TX: 8..1... + * which is invalid since #1 was now re-transmitted well past the + * buffer size of 8. Correct ways to retransmit #1 would be: + * - TX: 1 or 18 or 81 + * Even "189" would be wrong since 1 could be lost again. + * * Returns a negative error code on failure. * The callback can sleep. * diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index cc9185ca8fd..0f6e60a9c30 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -422,7 +422,7 @@ struct sctp_cookie { __u32 adaptation_ind; __u8 auth_random[sizeof(sctp_paramhdr_t) + SCTP_AUTH_RANDOM_LENGTH]; - __u8 auth_hmacs[SCTP_AUTH_NUM_HMACS + 2]; + __u8 auth_hmacs[SCTP_AUTH_NUM_HMACS * sizeof(__u16) + 2]; __u8 auth_chunks[sizeof(sctp_paramhdr_t) + SCTP_AUTH_MAX_CHUNKS]; /* This is a shim for my peer's INIT packet, followed by |