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Commit 69f13223 authored by Johannes Berg's avatar Johannes Berg
Browse files

mac80211: shrink struct ieee80211_fragment_entry 



Most of the fields in this struct use too wide types, change
that to shrink the struct from 64 to 48 bytes (on 64-bit.)

This results in a total saving of 64 bytes for each interface.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent a76d5e0a

net/mac80211/ieee80211_i.h

+6 −6
Original line number Diff line number Diff line
@@ -84,13 +84,13 @@ struct ieee80211_local; 
#define IEEE80211_DEAUTH_FRAME_LEN	(24 /* hdr */ + 2 /* reason */)



struct ieee80211_fragment_entry {

	unsigned long first_frag_time;

	unsigned int seq;

	unsigned int rx_queue;

	unsigned int last_frag;

	unsigned int extra_len;

	struct sk_buff_head skb_list;

	int ccmp; /* Whether fragments were encrypted with CCMP */

	unsigned long first_frag_time;

	u16 seq;

	u16 extra_len;

	u16 last_frag;

	u8 rx_queue;

	bool ccmp; /* Whether fragments were encrypted with CCMP */

	u8 last_pn[6]; /* PN of the last fragment if CCMP was used */

};