bsd/net/if_utun_crypto_dtls.c

92 	utun_crypto_framer_t *cur_framer, *nxt_framer;
95 	for (cur_framer = first_framer;
96 		 cur_framer != NULL;
97 		 cur_framer = nxt_framer) {
98 		nxt_framer = (__typeof__(nxt_framer))LIST_NEXT(cur_framer, framer_chain);
99 		utun_ctl_clr_dtls_framer(cur_framer);
116 	utun_crypto_framer_t *cur_framer;
119 	for (cur_framer = first_framer;
120 		 cur_framer != NULL;
121 		 cur_framer = (__typeof__(cur_framer))LIST_NEXT(cur_framer, framer_chain)) {
122 		utun_crypto_framer_state_dtls_out(cur_framer).sequence_field = utun_crypto_framer_state_dtls_out(cur_framer).sequence_field_initval;
190 	utun_crypto_framer_t *cur_framer;
193 	for (cur_framer = utun_ctl_get_first_framer(crypto_ctx, utun_crypto_framer_protocol_family_to_inner_type(family));
194 	     cur_framer != NULL;
195 	     cur_framer = (__typeof__(cur_framer))LIST_NEXT(cur_framer, framer_chain)) {
196 		if (m_pktlen(*pkt) < utun_crypto_framer_state_dtls_in(cur_framer).in_pattern_len) {
199 		if ((*pkt)->m_len < utun_crypto_framer_state_dtls_in(cur_framer).in_pattern_len) {
200 		  *pkt = m_pullup(*pkt, utun_crypto_framer_state_dtls_in(cur_framer).in_pattern_len);
202 			    (*pkt)->m_len < utun_crypto_framer_state_dtls_in(cur_framer).in_pattern_len) {
209 							   utun_crypto_framer_state_dtls_in(cur_framer).in_pattern_masked,
210 							   utun_crypto_framer_state_dtls_in(cur_framer).in_pattern_len)) {
211 			*striplen = utun_crypto_framer_state_dtls_in(cur_framer).in_data_offset;
237 	utun_crypto_framer_t *cur_framer;
250 	for (cur_framer = utun_ctl_get_first_framer(crypto_ctx, utun_crypto_framer_protocol_family_to_inner_type(proto));
251 	     cur_framer != NULL && !utun_crypto_framer_state_dtls_out(cur_framer).out_pattern;
252 	     cur_framer = (__typeof__(cur_framer))LIST_NEXT(cur_framer, framer_chain));
253 	if (!cur_framer ||
254 	    !utun_crypto_framer_state_dtls_out(cur_framer).out_pattern_len) {
261 	if (mbuf_prepend(pkt, utun_crypto_framer_state_dtls_out(cur_framer).out_pattern_len, MBUF_DONTWAIT) != 0) {
268 	       utun_crypto_framer_state_dtls_out(cur_framer).out_pattern,
269 	       utun_crypto_framer_state_dtls_out(cur_framer).out_pattern_len);
271 	if (utun_crypto_framer_state_dtls_out(cur_framer).len_field_mask) {
273 		u_int8_t  *q = p + utun_crypto_framer_state_dtls_out(cur_framer).len_field_offset;
275 		tmp &= ((pkt_len + utun_crypto_framer_state_dtls_out(cur_framer).len_field_extra) & utun_crypto_framer_state_dtls_out(cur_framer).len_field_mask);
276 		q = p + utun_crypto_framer_state_dtls_out(cur_framer).len_field_offset;
280 	if (utun_crypto_framer_state_dtls_out(cur_framer).sequence_field_mask) {
281 		u_int32_t  tmp = (utun_crypto_framer_state_dtls_out(cur_framer).sequence_field & utun_crypto_framer_state_dtls_out(cur_framer).sequence_field_mask);
282 		u_int8_t  *q = p + utun_crypto_framer_state_dtls_out(cur_framer).sequence_field_offset;
284 		tmp &= (utun_crypto_framer_state_dtls_out(cur_framer).sequence_field & utun_crypto_framer_state_dtls_out(cur_framer).sequence_field_mask);
285 		q = p + utun_crypto_framer_state_dtls_out(cur_framer).sequence_field_offset;
287 		utun_crypto_framer_state_dtls_out(cur_framer).sequence_field++;
434 	utun_crypto_framer_t *cur_framer;
437 	for (cur_framer = first_framer;
438 	     cur_framer != NULL;
439 	     cur_framer = (__typeof__(cur_framer))LIST_NEXT(cur_framer, framer_chain)) {
441 		if (utun_crypto_framer_state_dtls_in(cur_framer).in_pattern_len == in_pattern_len &&
442 		    memcmp(utun_crypto_framer_state_dtls_in(cur_framer).in_pattern,
445 		    utun_crypto_framer_state_dtls_in(cur_framer).in_pattern_len == in_pattern_mask_len &&
446 		    memcmp(utun_crypto_framer_state_dtls_in(cur_framer).in_pattern_mask,
450 			return cur_framer;