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authorJohannes Berg <johannes@sipsolutions.net>2007-07-10 13:32:09 -0400
committerJohn W. Linville <linville@tuxdriver.com>2007-07-12 16:07:25 -0400
commit5558235c6bade6662e6f257a35f2dfdc8a742147 (patch)
tree1e27576a4185fc9ef9948ec104787941f5565809
parent191b92666e3a8aa52af84e2d03350c25145be695 (diff)
[PATCH] mac80211: conserve stack space due to padding
This patch reorders some fields in struct ieee802_11_elems to save 17*7 or 17*3 bytes (on 64/32-bit machines respectively) stack space in a few functions. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Jiri Benc <jbenc@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--net/mac80211/ieee80211_sta.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index 91b545c144c1..f3ca83743b48 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -76,33 +76,36 @@ static int ieee80211_sta_config_auth(struct net_device *dev,
76 76
77/* Parsed Information Elements */ 77/* Parsed Information Elements */
78struct ieee802_11_elems { 78struct ieee802_11_elems {
79 /* pointers to IEs */
79 u8 *ssid; 80 u8 *ssid;
80 u8 ssid_len;
81 u8 *supp_rates; 81 u8 *supp_rates;
82 u8 supp_rates_len;
83 u8 *fh_params; 82 u8 *fh_params;
84 u8 fh_params_len;
85 u8 *ds_params; 83 u8 *ds_params;
86 u8 ds_params_len;
87 u8 *cf_params; 84 u8 *cf_params;
88 u8 cf_params_len;
89 u8 *tim; 85 u8 *tim;
90 u8 tim_len;
91 u8 *ibss_params; 86 u8 *ibss_params;
92 u8 ibss_params_len;
93 u8 *challenge; 87 u8 *challenge;
94 u8 challenge_len;
95 u8 *wpa; 88 u8 *wpa;
96 u8 wpa_len;
97 u8 *rsn; 89 u8 *rsn;
98 u8 rsn_len;
99 u8 *erp_info; 90 u8 *erp_info;
100 u8 erp_info_len;
101 u8 *ext_supp_rates; 91 u8 *ext_supp_rates;
102 u8 ext_supp_rates_len;
103 u8 *wmm_info; 92 u8 *wmm_info;
104 u8 wmm_info_len;
105 u8 *wmm_param; 93 u8 *wmm_param;
94
95 /* length of them, respectively */
96 u8 ssid_len;
97 u8 supp_rates_len;
98 u8 fh_params_len;
99 u8 ds_params_len;
100 u8 cf_params_len;
101 u8 tim_len;
102 u8 ibss_params_len;
103 u8 challenge_len;
104 u8 wpa_len;
105 u8 rsn_len;
106 u8 erp_info_len;
107 u8 ext_supp_rates_len;
108 u8 wmm_info_len;
106 u8 wmm_param_len; 109 u8 wmm_param_len;
107}; 110};
108 111