313 	u8 *pos;  in lib80211_tkip_hdr()  local
331 	pos = skb_push(skb, TKIP_HDR_LEN);  in lib80211_tkip_hdr()
332 	memmove(pos, pos + TKIP_HDR_LEN, hdr_len);  in lib80211_tkip_hdr()
333 	pos += hdr_len;  in lib80211_tkip_hdr()
335 	*pos++ = *rc4key;  in lib80211_tkip_hdr()
336 	*pos++ = *(rc4key + 1);  in lib80211_tkip_hdr()
337 	*pos++ = *(rc4key + 2);  in lib80211_tkip_hdr()
338 	*pos++ = (tkey->key_idx << 6) | (1 << 5) /* Ext IV included */ ;  in lib80211_tkip_hdr()
339 	*pos++ = tkey->tx_iv32 & 0xff;  in lib80211_tkip_hdr()
340 	*pos++ = (tkey->tx_iv32 >> 8) & 0xff;  in lib80211_tkip_hdr()
341 	*pos++ = (tkey->tx_iv32 >> 16) & 0xff;  in lib80211_tkip_hdr()
342 	*pos++ = (tkey->tx_iv32 >> 24) & 0xff;  in lib80211_tkip_hdr()
358 	u8 rc4key[16], *pos, *icv;  in lib80211_tkip_encrypt()  local
373 	pos = skb->data + hdr_len;  in lib80211_tkip_encrypt()
378 	crc = ~crc32_le(~0, pos, len);  in lib80211_tkip_encrypt()
386 	sg_init_one(&sg, pos, len + 4);  in lib80211_tkip_encrypt()
408 	u8 keyidx, *pos;  in lib80211_tkip_decrypt()  local
428 	pos = skb->data + hdr_len;  in lib80211_tkip_decrypt()
429 	keyidx = pos[3];  in lib80211_tkip_decrypt()
446 	iv16 = (pos[0] << 8) | pos[2];  in lib80211_tkip_decrypt()
447 	iv32 = pos[4] | (pos[5] << 8) | (pos[6] << 16) | (pos[7] << 24);  in lib80211_tkip_decrypt()
448 	pos += TKIP_HDR_LEN;  in lib80211_tkip_decrypt()
469 	sg_init_one(&sg, pos, plen + 4);  in lib80211_tkip_decrypt()
476 	crc = ~crc32_le(~0, pos, plen);  in lib80211_tkip_decrypt()
481 	if (memcmp(icv, pos + plen, 4) != 0) {  in lib80211_tkip_decrypt()
569 	u8 *pos;  in lib80211_michael_mic_add()  local
579 	pos = skb_put(skb, 8);  in lib80211_michael_mic_add()
581 			skb->data + hdr_len, skb->len - 8 - hdr_len, pos))  in lib80211_michael_mic_add()