From 51ceddade0fb1e15f080b2555f3b3e1d68c6707e Mon Sep 17 00:00:00 2001 From: Luis Carlos Cobo Date: Wed, 23 Apr 2008 12:15:29 -0700 Subject: mac80211: use 4-byte mesh sequence number This follows the new 802.11s/D2.0 draft. Signed-off-by: Luis Carlos Cobo Signed-off-by: John W. Linville --- net/mac80211/mesh.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) (limited to 'net/mac80211/mesh.c') diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 594a3356a50..f76bc26ae4d 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -8,6 +8,7 @@ * published by the Free Software Foundation. */ +#include #include "ieee80211_i.h" #include "mesh.h" @@ -167,8 +168,8 @@ int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr, struct rmc_entry *p, *n; /* Don't care about endianness since only match matters */ - memcpy(&seqnum, mesh_hdr->seqnum, sizeof(mesh_hdr->seqnum)); - idx = mesh_hdr->seqnum[0] & rmc->idx_mask; + memcpy(&seqnum, &mesh_hdr->seqnum, sizeof(mesh_hdr->seqnum)); + idx = le32_to_cpu(mesh_hdr->seqnum) & rmc->idx_mask; list_for_each_entry_safe(p, n, &rmc->bucket[idx].list, list) { ++entries; if (time_after(jiffies, p->exp_time) || @@ -393,16 +394,8 @@ int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr, { meshhdr->flags = 0; meshhdr->ttl = sdata->u.sta.mshcfg.dot11MeshTTL; - - meshhdr->seqnum[0] = sdata->u.sta.mesh_seqnum[0]++; - meshhdr->seqnum[1] = sdata->u.sta.mesh_seqnum[1]; - meshhdr->seqnum[2] = sdata->u.sta.mesh_seqnum[2]; - - if (sdata->u.sta.mesh_seqnum[0] == 0) { - sdata->u.sta.mesh_seqnum[1]++; - if (sdata->u.sta.mesh_seqnum[1] == 0) - sdata->u.sta.mesh_seqnum[2]++; - } + put_unaligned(cpu_to_le32(sdata->u.sta.mesh_seqnum), &meshhdr->seqnum); + sdata->u.sta.mesh_seqnum++; return 5; } -- cgit v1.2.3