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			69 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From: Sven Eckelmann <sven.eckelmann@openmesh.com>
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| Date: Thu, 11 May 2017 08:21:45 +0200
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| Subject: [PATCH] set mcast_rate in mesh mode
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| 
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| The wpa_supplicant code for IBSS allows to set the mcast rate. It is
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| recommended to increase this value from 1 or 6 Mbit/s to something higher
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| when using a mesh protocol on top which uses the multicast packet loss as
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| indicator for the link quality.
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| 
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| This setting was unfortunately not applied for mesh mode. But it would be
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| beneficial when wpa_supplicant would behave similar to IBSS mode and set
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| this argument during mesh join like authsae already does. At least it is
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| helpful for companies/projects which are currently switching to 802.11s
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| (without mesh_fwding and with mesh_ttl set to 1) as replacement for IBSS
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| because newer drivers seem to support 802.11s but not IBSS anymore.
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| 
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| Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com>
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| Tested-by: Simon Wunderlich <simon.wunderlich@openmesh.com>
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| 
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| --- a/src/drivers/driver.h
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| +++ b/src/drivers/driver.h
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| @@ -1827,6 +1827,7 @@ struct wpa_driver_mesh_join_params {
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|  #define WPA_DRIVER_MESH_FLAG_AMPE	0x00000008
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|  	unsigned int flags;
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|  	bool handle_dfs;
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| +	int mcast_rate;
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|  };
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|  
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|  struct wpa_driver_set_key_params {
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| --- a/src/drivers/driver_nl80211.c
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| +++ b/src/drivers/driver_nl80211.c
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| @@ -11667,6 +11667,18 @@ static int nl80211_put_mesh_id(struct nl
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|  }
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|  
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|  
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| +static int nl80211_put_mcast_rate(struct nl_msg *msg, int mcast_rate)
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| +{
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| +	if (mcast_rate > 0) {
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| +		wpa_printf(MSG_DEBUG, "  * mcast_rate=%.1f",
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| +			   (double)mcast_rate / 10);
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| +		return nla_put_u32(msg, NL80211_ATTR_MCAST_RATE, mcast_rate);
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| +	}
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| +
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| +	return 0;
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| +}
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| +
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| +
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|  static int nl80211_put_mesh_config(struct nl_msg *msg,
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|  				   struct wpa_driver_mesh_bss_params *params)
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|  {
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| @@ -11728,6 +11740,7 @@ static int nl80211_join_mesh(struct i802
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|  	    nl80211_put_basic_rates(msg, params->basic_rates) ||
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|  	    nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
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|  	    nl80211_put_beacon_int(msg, params->beacon_int) ||
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| +	    nl80211_put_mcast_rate(msg, params->mcast_rate) ||
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|  	    nl80211_put_dtim_period(msg, params->dtim_period))
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|  		goto fail;
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|  
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| --- a/wpa_supplicant/mesh.c
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| +++ b/wpa_supplicant/mesh.c
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| @@ -632,6 +632,7 @@ int wpa_supplicant_join_mesh(struct wpa_
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|  
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|  	params->meshid = ssid->ssid;
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|  	params->meshid_len = ssid->ssid_len;
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| +	params->mcast_rate = ssid->mcast_rate;
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|  	ibss_mesh_setup_freq(wpa_s, ssid, ¶ms->freq);
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|  	wpa_s->mesh_ht_enabled = !!params->freq.ht_enabled;
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|  	wpa_s->mesh_vht_enabled = !!params->freq.vht_enabled;
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