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mac80211: Mark a destination sequence number as valid when a PREQ is received. 

If a PREQ frame is received giving us a fresher DSN than what we have, record
the new dsn and mark it as valid.  This patch fixes a bug in the setting of the
MESH_PATH_DSN_VALID flag.

Also, minor fix to coding style on that file.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Woo 2009-08-12 11:03:43 -07:00 committed by John W. Linville
parent 13311b0011
commit 57ef5ddb45
1 changed files with 3 additions and 2 deletions
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5
net/mac80211/mesh_hwmp.c
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@ -397,7 +397,8 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt,
u8 *preq_elem, u32 metric) {
u8 *preq_elem, u32 metric)
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct mesh_path *mpath;
u8 *dst_addr, *orig_addr;
@ -430,7 +431,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
if ((!(mpath->flags & MESH_PATH_DSN_VALID)) ||
DSN_LT(mpath->dsn, dst_dsn)) {
mpath->dsn = dst_dsn;
mpath->flags &= MESH_PATH_DSN_VALID;
mpath->flags |= MESH_PATH_DSN_VALID;
} else if ((!(dst_flags & MP_F_DO)) &&
(mpath->flags & MESH_PATH_ACTIVE)) {
reply = true;