153 static __inline__ int before(unsigned short seq1, unsigned short seq2)  in before()  argument
156         seq2 &= 0x0fff;  in before()
158         return (int)((seq1 - seq2) & 0x0fff) > 2048;  in before()
162 static __inline__ int after(unsigned short seq1, unsigned short seq2)  in after()  argument
165         seq2 &= 0x0fff;  in after()
167         return (int)((seq2 - seq1) & 0x0fff) > 2048;  in after()
170 static __inline__ int equal(unsigned short seq1, unsigned short seq2)  in equal()  argument
172         return ((seq1 ^ seq2) & 0x0fff) == 0;  in equal()
175 static __inline__ int before_or_equal(unsigned short seq1, unsigned short seq2)  in before_or_equal()  argument
177 	return (before(seq1, seq2) || equal(seq1, seq2));  in before_or_equal()
186 static __inline__ int seq_next(unsigned short seq1, unsigned short seq2)  in seq_next()  argument
188 	return equal(seq1 + 1, seq2);  in seq_next()