Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-27 22:51:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

mac80211: Update mesh config IE to 11s draft 3.02

Browse Source 
The mesh config information element has changed significantly since draft 1.08
This patch brings it up to date.

Thanks to Sam Leffler and Rui Paulo for identifying this.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Javier Cardona 2009-08-20 09:21:45 -07:00 committed by John W. Linville
parent 90d6f92828
commit 9e03fdfd05
3 changed files with 38 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/ieee80211.h
View File

@ -115,7 +115,7 @@
#define IEEE80211_MAX_SSID_LEN 32
#define IEEE80211_MAX_MESH_ID_LEN 32
#define IEEE80211_MESH_CONFIG_LEN 19
#define IEEE80211_MESH_CONFIG_LEN 24
#define IEEE80211_QOS_CTL_LEN 2
#define IEEE80211_QOS_CTL_TID_MASK 0x000F

4
net/mac80211/ieee80211_i.h
View File

@ -367,6 +367,10 @@ struct ieee80211_if_mesh {
u8 mesh_pm_id[4];
/* Congestion Control Mode Identifier */
u8 mesh_cc_id[4];
/* Synchronization Protocol Identifier */
u8 mesh_sp_id[4];
/* Authentication Protocol Identifier */
u8 mesh_auth_id[4];
/* Local mesh Destination Sequence Number */
u32 dsn;
/* Last used PREQ ID */

47
net/mac80211/mesh.c
View File

@ -18,8 +18,11 @@
#define PP_OFFSET 1 /* Path Selection Protocol */
#define PM_OFFSET 5 /* Path Selection Metric */
#define CC_OFFSET 9 /* Congestion Control Mode */
#define CAPAB_OFFSET 17
#define ACCEPT_PLINKS 0x80
#define SP_OFFSET 13 /* Synchronization Protocol */
#define AUTH_OFFSET 17 /* Authentication Protocol */
#define CAPAB_OFFSET 22
#define CAPAB_ACCEPT_PLINKS 0x80
#define CAPAB_FORWARDING 0x10
#define TMR_RUNNING_HK 0
#define TMR_RUNNING_MP 1
@ -84,7 +87,9 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_dat
memcmp(ifmsh->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 &&
memcmp(ifmsh->mesh_pp_id, ie->mesh_config + PP_OFFSET, 4) == 0 &&
memcmp(ifmsh->mesh_pm_id, ie->mesh_config + PM_OFFSET, 4) == 0 &&
memcmp(ifmsh->mesh_cc_id, ie->mesh_config + CC_OFFSET, 4) == 0)
memcmp(ifmsh->mesh_cc_id, ie->mesh_config + CC_OFFSET, 4) == 0 &&
memcmp(ifmsh->mesh_sp_id, ie->mesh_config + SP_OFFSET, 4) == 0 &&
memcmp(ifmsh->mesh_auth_id, ie->mesh_config + AUTH_OFFSET, 4) == 0)
return true;
return false;
@ -97,7 +102,7 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_dat
*/
bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie)
{
return (*(ie->mesh_config + CAPAB_OFFSET) & ACCEPT_PLINKS) != 0;
return (*(ie->mesh_config + CAPAB_OFFSET) & CAPAB_ACCEPT_PLINKS) != 0;
}
/**
@ -123,11 +128,18 @@ void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)
void mesh_ids_set_default(struct ieee80211_if_mesh *sta)
{
u8 def_id[4] = {0x00, 0x0F, 0xAC, 0xff};
u8 oui[3] = {0x00, 0x0F, 0xAC};
memcpy(sta->mesh_pp_id, def_id, 4);
memcpy(sta->mesh_pm_id, def_id, 4);
memcpy(sta->mesh_cc_id, def_id, 4);
memcpy(sta->mesh_pp_id, oui, sizeof(oui));
memcpy(sta->mesh_pm_id, oui, sizeof(oui));
memcpy(sta->mesh_cc_id, oui, sizeof(oui));
memcpy(sta->mesh_sp_id, oui, sizeof(oui));
memcpy(sta->mesh_auth_id, oui, sizeof(oui));
sta->mesh_pp_id[sizeof(oui)] = 0;
sta->mesh_pm_id[sizeof(oui)] = 0;
sta->mesh_cc_id[sizeof(oui)] = 0xff;
sta->mesh_sp_id[sizeof(oui)] = 0xff;
sta->mesh_auth_id[sizeof(oui)] = 0x0;
}
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata)
@ -245,7 +257,7 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
if (sdata->u.mesh.mesh_id_len)
memcpy(pos, sdata->u.mesh.mesh_id, sdata->u.mesh.mesh_id_len);
pos = skb_put(skb, 21);
pos = skb_put(skb, 2 + IEEE80211_MESH_CONFIG_LEN);
*pos++ = WLAN_EID_MESH_CONFIG;
*pos++ = IEEE80211_MESH_CONFIG_LEN;
/* Version */
@ -263,15 +275,22 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
memcpy(pos, sdata->u.mesh.mesh_cc_id, 4);
pos += 4;
/* Channel precedence:
* Not running simple channel unification protocol
*/
memset(pos, 0x00, 4);
/* Synchronization protocol identifier */
memcpy(pos, sdata->u.mesh.mesh_sp_id, 4);
pos += 4;
/* Authentication Protocol identifier */
memcpy(pos, sdata->u.mesh.mesh_auth_id, 4);
pos += 4;
/* Mesh Formation Info */
memset(pos, 0x00, 1);
pos += 1;
/* Mesh capability */
sdata->u.mesh.accepting_plinks = mesh_plink_availables(sdata);
*pos++ = sdata->u.mesh.accepting_plinks ? ACCEPT_PLINKS : 0x00;
*pos = CAPAB_FORWARDING;
*pos++ |= sdata->u.mesh.accepting_plinks ? CAPAB_ACCEPT_PLINKS : 0x00;
*pos++ = 0x00;
return;