diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/eagle/esp_utils.c')
| -rwxr-xr-x | ANDROID_3.4.5/drivers/net/wireless/eagle/esp_utils.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/eagle/esp_utils.c b/ANDROID_3.4.5/drivers/net/wireless/eagle/esp_utils.c deleted file mode 100755 index aa697bd5..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/eagle/esp_utils.c +++ /dev/null @@ -1,232 +0,0 @@ -/* - * Copyright (c) 2012 Espressif System. - */ - -#include "linux/types.h" -#include "linux/kernel.h" -#include <linux/ieee80211.h> -#include <net/mac80211.h> -#include <linux/skbuff.h> - -#include <net/tcp.h> -#include <linux/ip.h> -#include <asm/checksum.h> - -#include "esp_pub.h" -#include "esp_utils.h" -#include "esp_wmac.h" -#include "esp_debug.h" - -/* - * Convert IEEE channel number to MHz frequency. - */ -u32 -esp_ieee2mhz(u8 chan) -{ - if (chan == 14) - return 2484; - - if (chan < 14) - return 2407 + chan*5; - else - return 2512 + ((chan-15)*20); -} -enum { - ESP_RATE_1_LONG = 0x0, - ESP_RATE_2_LONG = 0x1, - ESP_RATE_2_SHORT = 0x5, - ESP_RATE_5_SHORT = 0x6, - ESP_RATE_5_LONG = 0x2, - ESP_RATE_11_SHORT = 0x7, - ESP_RATE_11_LONG = 0x3, - ESP_RATE_6 = 0xb, - ESP_RATE_9 = 0xf, - ESP_RATE_12 = 0xa, - ESP_RATE_18 = 0xe, - ESP_RATE_24 = 0x9, - ESP_RATE_36 = 0xd, - ESP_RATE_48 = 0x8, - ESP_RATE_54 = 0xc, - /* ESP_RATE_MCS0 =0x10, - ESP_RATE_MCS1 =0x11, - ESP_RATE_MCS2 =0x12, - ESP_RATE_MCS3 =0x13, - ESP_RATE_MCS4 =0x14, - ESP_RATE_MCS5 =0x15, - ESP_RATE_MCS6 =0x16, - ESP_RATE_MCS7 =0x17, - */ -}; - -static u8 esp_rate_table[20] = { - ESP_RATE_1_LONG, - ESP_RATE_2_SHORT, - ESP_RATE_5_SHORT, - ESP_RATE_11_SHORT, - ESP_RATE_6, - ESP_RATE_9, - ESP_RATE_12, - ESP_RATE_18, - ESP_RATE_24, - ESP_RATE_36, - ESP_RATE_48, - ESP_RATE_54, - /* ESP_RATE_MCS0, - ESP_RATE_MCS1, - ESP_RATE_MCS2, - ESP_RATE_MCS3, - ESP_RATE_MCS4, - ESP_RATE_MCS5, - ESP_RATE_MCS6, - ESP_RATE_MCS7, - */ -}; - -s8 esp_wmac_rate2idx(u8 rate) -{ - int i; - - for (i = 0; i < 20; i++) { - if (rate == esp_rate_table[i]) - return i; - } - - if (rate == ESP_RATE_2_LONG) - return 1; - if (rate == ESP_RATE_5_LONG) - return 2; - if (rate == ESP_RATE_11_LONG) - return 3; - - esp_dbg(ESP_DBG_ERROR,"%s unknown rate 0x%02x \n", __func__, rate); - - return 0; -} - -bool esp_wmac_rxsec_error(u8 error) -{ - return (error >= RX_SECOV_ERR && error <= RX_SECFIFO_TIMEOUT) || (error >= RX_WEPICV_ERR && error <= RX_WAPIMIC_ERR); -} - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) -int esp_cipher2alg(int cipher) -{ - if (cipher == WLAN_CIPHER_SUITE_TKIP) - return ALG_TKIP; - - if (cipher == WLAN_CIPHER_SUITE_CCMP) - return ALG_CCMP; - - if (cipher == WLAN_CIPHER_SUITE_WEP40 || cipher == WLAN_CIPHER_SUITE_WEP104) - return ALG_WEP; - - if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) - return ALG_AES_CMAC; - - //printk("%s wrong cipher 0x%x!\n",__func__,cipher); - - return -1; -} -#endif /* NEW_KERNEL */ - -#ifdef RX_CHECKSUM_TEST -atomic_t g_iv_len; -void esp_rx_checksum_test(struct sk_buff *skb) -{ - static u32 ip_err = 0; - static u32 tcp_err = 0; - struct ieee80211_hdr *pwh = (struct ieee80211_hdr *)skb->data; - int hdrlen = ieee80211_hdrlen(pwh->frame_control); - - if(ieee80211_has_protected(pwh->frame_control)) - hdrlen += atomic_read(&g_iv_len); - - if (ieee80211_is_data(pwh->frame_control)) { - struct llc_snap_hdr * llc = (struct llc_snap_hdr *)(skb->data + hdrlen); - if (ntohs(llc->eth_type) == ETH_P_IP) { - int llclen = sizeof(struct llc_snap_hdr); - struct iphdr *iph = (struct iphdr *)(skb->data + hdrlen + llclen); - __sum16 csum_bak = iph->check; - - iph->check = 0; - iph->check = ip_fast_csum(iph, iph->ihl); - if (iph->check != csum_bak) { - esp_dbg(ESP_DBG_ERROR, "total ip checksum error %d\n", ++ip_err); - } - iph->check = csum_bak; - - if (iph->protocol == 0x06) { - struct tcphdr *tcph = (struct tcphdr *)(skb->data + hdrlen + llclen + iph->ihl * 4); - int datalen = skb->len - (hdrlen + llclen + iph->ihl * 4); - csum_bak = tcph->check; - - tcph->check = 0; - tcph->check = tcp_v4_check(datalen, iph->saddr, iph->daddr, csum_partial((char *)tcph, datalen, 0)); - if (tcph->check != csum_bak) - { - esp_dbg(ESP_DBG_ERROR, "total tcp checksum error %d\n", ++tcp_err); - } - tcph->check = csum_bak; - } - } - } -} - -#endif - -#ifdef GEN_ERR_CHECKSUM - -void esp_gen_err_checksum(struct sk_buff *skb) -{ - static u32 tx_seq = 0; - if ((tx_seq++ % 16) == 0) - { - struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data; - int hdrlen = ieee80211_hdrlen(hdr->frame_control); - - if(ieee80211_has_protected(pwh->frame_control)) - hdrlen += IEEE80211_SKB_CB(skb)->control.hw_key->iv_len; - - struct llc_snap_hdr * llc = (struct llc_snap_hdr *)(skb->data + hdrlen); - if (ntohs(llc->eth_type) == ETH_P_IP) { - int llclen = sizeof(struct llc_snap_hdr); - struct iphdr *iph = (struct iphdr *)(skb->data + hdrlen + llclen); - - iph->check = ~iph->check; - - if (iph->protocol == 0x06) { - struct tcphdr *tcph = (struct tcphdr *)(skb->data + hdrlen + llclen + iph->ihl * 4); - tcph->check = ~tcph->check; - } - } - } -} -#endif - -bool esp_is_ip_pkt(struct sk_buff *skb) -{ - struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data; - int hdrlen; - struct llc_snap_hdr * llc; - - if (!ieee80211_is_data(hdr->frame_control)) - return false; - - hdrlen = ieee80211_hdrlen(hdr->frame_control); - if(ieee80211_has_protected(hdr->frame_control)) -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 27)) - hdrlen += IEEE80211_SKB_CB(skb)->control.hw_key->iv_len; -#else - hdrlen += IEEE80211_SKB_CB(skb)->control.iv_len; -#endif -#ifdef RX_CHECKSUM_TEST - atomic_set(&g_iv_len, IEEE80211_SKB_CB(skb)->control.hw_key->iv_len); -#endif - if(skb->len < hdrlen + sizeof(struct llc_snap_hdr)) - return false; - llc = (struct llc_snap_hdr *)(skb->data + hdrlen); - if (ntohs(llc->eth_type) != ETH_P_IP) - return false; - else - return true; -} |