X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fnet%2Fhamradio%2Fhdlcdrv.c;h=452873e7c68f5d358c2bac2c6274e58f7a868a03;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=103baaff18a765ee7cb90c1376b8388fa8a3d20a;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c index 103baaff1..452873e7c 100644 --- a/drivers/net/hamradio/hdlcdrv.c +++ b/drivers/net/hamradio/hdlcdrv.c @@ -42,7 +42,6 @@ /*****************************************************************************/ -#include #include #include #include @@ -51,33 +50,16 @@ #include #include #include -#include -#include +#include #include #include -#include #include #include -/* prototypes for ax25_encapsulate and ax25_rebuild_header */ #include +#include -/* make genksyms happy */ -#include -#include -#include - -/* --------------------------------------------------------------------- */ - -/* - * The name of the card. Is used for messages and in the requests for - * io regions, irqs and dma channels - */ - -static char ax25_bcast[AX25_ADDR_LEN] = -{'Q' << 1, 'S' << 1, 'T' << 1, ' ' << 1, ' ' << 1, ' ' << 1, '0' << 1}; -static char ax25_nocall[AX25_ADDR_LEN] = -{'L' << 1, 'I' << 1, 'N' << 1, 'U' << 1, 'X' << 1, ' ' << 1, '1' << 1}; +#include /* --------------------------------------------------------------------- */ @@ -99,50 +81,12 @@ static char ax25_nocall[AX25_ADDR_LEN] = * by Dieter Deyke */ -static const unsigned short crc_ccitt_table[] = { - 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, - 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7, - 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e, - 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876, - 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd, - 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5, - 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c, - 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974, - 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb, - 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3, - 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a, - 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72, - 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9, - 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1, - 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738, - 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70, - 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7, - 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff, - 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036, - 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e, - 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5, - 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd, - 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134, - 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c, - 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3, - 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb, - 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232, - 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a, - 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1, - 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9, - 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330, - 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78 -}; /*---------------------------------------------------------------------------*/ static inline void append_crc_ccitt(unsigned char *buffer, int len) { - unsigned int crc = 0xffff; - - for (;len>0;len--) - crc = (crc >> 8) ^ crc_ccitt_table[(crc ^ *buffer++) & 0xff]; - crc ^= 0xffff; + unsigned int crc = crc_ccitt(0xffff, buffer, len) ^ 0xffff; *buffer++ = crc; *buffer++ = crc >> 8; } @@ -151,11 +95,7 @@ static inline void append_crc_ccitt(unsigned char *buffer, int len) static inline int check_crc_ccitt(const unsigned char *buf, int cnt) { - unsigned int crc = 0xffff; - - for (; cnt > 0; cnt--) - crc = (crc >> 8) ^ crc_ccitt_table[(crc ^ *buf++) & 0xff]; - return (crc & 0xffff) == 0xf0b8; + return (crc_ccitt(0xffff, buf, cnt) & 0xffff) == 0xf0b8; } /*---------------------------------------------------------------------------*/ @@ -215,12 +155,10 @@ static void hdlc_rx_flag(struct net_device *dev, struct hdlcdrv_state *s) s->stats.rx_dropped++; return; } - skb->dev = dev; cp = skb_put(skb, pkt_len); *cp++ = 0; /* KISS kludge */ memcpy(cp, s->hdlcrx.buffer, pkt_len - 1); - skb->protocol = htons(ETH_P_AX25); - skb->mac.raw = skb->data; + skb->protocol = ax25_type_trans(skb, dev); netif_rx(skb); dev->last_rx = jiffies; s->stats.rx_packets++; @@ -468,27 +406,10 @@ void hdlcdrv_arbitrate(struct net_device *dev, struct hdlcdrv_state *s) * ===================== network driver interface ========================= */ -static inline int hdlcdrv_paranoia_check(struct net_device *dev, - const char *routine) -{ - if (!dev || !dev->priv || - ((struct hdlcdrv_state *)dev->priv)->magic != HDLCDRV_MAGIC) { - printk(KERN_ERR "hdlcdrv: bad magic number for hdlcdrv_state " - "struct in routine %s\n", routine); - return 1; - } - return 0; -} - -/* --------------------------------------------------------------------- */ - static int hdlcdrv_send_packet(struct sk_buff *skb, struct net_device *dev) { - struct hdlcdrv_state *sm; + struct hdlcdrv_state *sm = netdev_priv(dev); - if (hdlcdrv_paranoia_check(dev, "hdlcdrv_send_packet")) - return 0; - sm = (struct hdlcdrv_state *)dev->priv; if (skb->data[0] != 0) { do_kiss_params(sm, skb->data, skb->len); dev_kfree_skb(skb); @@ -516,11 +437,8 @@ static int hdlcdrv_set_mac_address(struct net_device *dev, void *addr) static struct net_device_stats *hdlcdrv_get_stats(struct net_device *dev) { - struct hdlcdrv_state *sm; + struct hdlcdrv_state *sm = netdev_priv(dev); - if (hdlcdrv_paranoia_check(dev, "hdlcdrv_get_stats")) - return NULL; - sm = (struct hdlcdrv_state *)dev->priv; /* * Get the current statistics. This may be called with the * card open or closed. @@ -540,13 +458,9 @@ static struct net_device_stats *hdlcdrv_get_stats(struct net_device *dev) static int hdlcdrv_open(struct net_device *dev) { - struct hdlcdrv_state *s; + struct hdlcdrv_state *s = netdev_priv(dev); int i; - if (hdlcdrv_paranoia_check(dev, "hdlcdrv_open")) - return -EINVAL; - s = (struct hdlcdrv_state *)dev->priv; - if (!s->ops || !s->ops->open) return -ENODEV; @@ -581,12 +495,10 @@ static int hdlcdrv_open(struct net_device *dev) static int hdlcdrv_close(struct net_device *dev) { - struct hdlcdrv_state *s; + struct hdlcdrv_state *s = netdev_priv(dev); int i = 0; - if (hdlcdrv_paranoia_check(dev, "hdlcdrv_close")) - return -EINVAL; - s = (struct hdlcdrv_state *)dev->priv; + netif_stop_queue(dev); if (s->ops && s->ops->close) i = s->ops->close(dev); @@ -601,12 +513,8 @@ static int hdlcdrv_close(struct net_device *dev) static int hdlcdrv_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { - struct hdlcdrv_state *s; + struct hdlcdrv_state *s = netdev_priv(dev); struct hdlcdrv_ioctl bi; - - if (hdlcdrv_paranoia_check(dev, "hdlcdrv_ioctl")) - return -EINVAL; - s = (struct hdlcdrv_state *)dev->priv; if (cmd != SIOCDEVPRIVATE) { if (s->ops && s->ops->ioctl) @@ -737,7 +645,7 @@ static void hdlcdrv_setup(struct net_device *dev) static const struct hdlcdrv_channel_params dflt_ch_params = { 20, 2, 10, 40, 0 }; - struct hdlcdrv_state *s = dev->priv; + struct hdlcdrv_state *s = netdev_priv(dev); /* * initialize the hdlcdrv_state struct @@ -781,21 +689,16 @@ static void hdlcdrv_setup(struct net_device *dev) s->skb = NULL; -#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE) - dev->hard_header = ax25_encapsulate; + dev->hard_header = ax25_hard_header; dev->rebuild_header = ax25_rebuild_header; -#else /* CONFIG_AX25 || CONFIG_AX25_MODULE */ - dev->hard_header = NULL; - dev->rebuild_header = NULL; -#endif /* CONFIG_AX25 || CONFIG_AX25_MODULE */ dev->set_mac_address = hdlcdrv_set_mac_address; dev->type = ARPHRD_AX25; /* AF_AX25 device */ dev->hard_header_len = AX25_MAX_HEADER_LEN + AX25_BPQ_HEADER_LEN; dev->mtu = AX25_DEF_PACLEN; /* eth_mtu is the default */ dev->addr_len = AX25_ADDR_LEN; /* sizeof an ax.25 address */ - memcpy(dev->broadcast, ax25_bcast, AX25_ADDR_LEN); - memcpy(dev->dev_addr, ax25_nocall, AX25_ADDR_LEN); + memcpy(dev->broadcast, &ax25_bcast, AX25_ADDR_LEN); + memcpy(dev->dev_addr, &ax25_defaddr, AX25_ADDR_LEN); dev->tx_queue_len = 16; } @@ -821,7 +724,7 @@ struct net_device *hdlcdrv_register(const struct hdlcdrv_ops *ops, /* * initialize part of the hdlcdrv_state struct */ - s = dev->priv; + s = netdev_priv(dev); s->magic = HDLCDRV_MAGIC; s->ops = ops; dev->base_addr = baseaddr; @@ -842,7 +745,7 @@ struct net_device *hdlcdrv_register(const struct hdlcdrv_ops *ops, void hdlcdrv_unregister(struct net_device *dev) { - struct hdlcdrv_state *s = dev->priv; + struct hdlcdrv_state *s = netdev_priv(dev); BUG_ON(s->magic != HDLCDRV_MAGIC);