Hello John,
Please do not apply this patch set as they might rise conflicts.
Version 3 is coming.
Thanks,
Ashok
On Sat, Mar 31, 2012 at 1:32 PM, Ashok Nagarajan <ashok@xxxxxxxxxxx> wrote:
> Section 13.2.3 of IEEE 80211s standard requires BSSBasicRateSet of mesh nodes
> to be identical to establish peer link.
>
> Signed-off-by: Ashok Nagarajan <ashok@xxxxxxxxxxx>
> Signed-off-by: Thomas Pedersen <thomas@xxxxxxxxxxx>
> ---
> net/mac80211/mesh.c | 15 ++++++++++-----
> net/mac80211/mesh.h | 2 +-
> net/mac80211/mesh_plink.c | 2 +-
> 3 files changed, 12 insertions(+), 7 deletions(-)
>
> diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
> index 964d8a9..a67b24e 100644
> --- a/net/mac80211/mesh.c
> +++ b/net/mac80211/mesh.c
> @@ -69,11 +69,13 @@ static void ieee80211_mesh_housekeeping_timer(unsigned long data)
> *
> * @ie: information elements of a management frame from the mesh peer
> * @sdata: local mesh subif
> + * @basic_rates: BSSBasicRateSet of the peer candidate
> *
> * This function checks if the mesh configuration of a mesh point matches the
> * local mesh configuration, i.e. if both nodes belong to the same mesh network.
> */
> -bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_data *sdata)
> +bool mesh_matches_local(struct ieee802_11_elems *ie,
> + struct ieee80211_sub_if_data *sdata, u32 basic_rates)
> {
> struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
> struct ieee80211_local *local = sdata->local;
> @@ -97,6 +99,9 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_dat
> (ifmsh->mesh_auth_id == ie->mesh_config->meshconf_auth)))
> goto mismatch;
>
> + if (sdata->vif.bss_conf.basic_rates != basic_rates)
> + goto mismatch;
> +
> /* disallow peering with mismatched channel types for now */
> /*if (ie->ht_info_elem &&
> (local->_oper_channel_type !=
> @@ -653,13 +658,13 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
> if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
> return;
>
> + supp_rates = ieee80211_sta_get_rates(local, &elems,
> + band, &basic_rates);
> +
> if (elems.mesh_id && elems.mesh_config &&
> - mesh_matches_local(&elems, sdata)) {
> - supp_rates = ieee80211_sta_get_rates(local, &elems,
> - band, &basic_rates);
> + mesh_matches_local(&elems, sdata, basic_rates))
> mesh_neighbour_update(mgmt, supp_rates, sdata, &elems,
> rx_status);
> - }
> }
>
> static void ieee80211_mesh_rx_mgmt_action(struct ieee80211_sub_if_data *sdata,
> diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
> index 7d5d34b..0e40c8a 100644
> --- a/net/mac80211/mesh.h
> +++ b/net/mac80211/mesh.h
> @@ -204,7 +204,7 @@ int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
> int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr,
> struct ieee80211_sub_if_data *sdata);
> bool mesh_matches_local(struct ieee802_11_elems *ie,
> - struct ieee80211_sub_if_data *sdata);
> + struct ieee80211_sub_if_data *sdata, u32 basic_rates);
> void mesh_ids_set_default(struct ieee80211_if_mesh *mesh);
> void mesh_mgmt_ies_add(struct sk_buff *skb,
> struct ieee80211_sub_if_data *sdata);
> diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
> index 133f267..d742355 100644
> --- a/net/mac80211/mesh_plink.c
> +++ b/net/mac80211/mesh_plink.c
> @@ -573,7 +573,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
> rx_status->band, &basic_rates);
>
> if (ftype != WLAN_SP_MESH_PEERING_CLOSE &&
> - (!mesh_matches_local(&elems, sdata))) {
> + (!mesh_matches_local(&elems, sdata, basic_rates))) {
> matches_local = false;
> switch (ftype) {
> case WLAN_SP_MESH_PEERING_OPEN:
> --
> 1.7.5.4
>
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