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Remove dead code and obsolete comments

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This commit is contained in:
George Oikonomou 2017-11-22 02:24:47 +00:00
parent f161998a51
commit 24b17e58b1
1 changed files with 2 additions and 66 deletions
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68
os/dev/slip.c
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@ -38,8 +38,6 @@
#include "contiki.h"
#include "net/ipv6/uip.h"
#define BUF ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])
#include "dev/slip.h"
#define SLIP_END 0300
@ -92,9 +90,6 @@ slip_set_input_callback(void (*c)(void))
input_callback = c;
}
/*---------------------------------------------------------------------------*/
/* slip_send: forward (IPv4) packets with {UIP_FW_NETIF(..., slip_send)}
* was used in slip-bridge.c
*/
uint8_t
slip_send(void)
{
@ -153,56 +148,9 @@ rxbuf_init(void)
state = STATE_OK;
}
/*---------------------------------------------------------------------------*/
/* Upper half does the polling. */
static uint16_t
slip_poll_handler(uint8_t *outbuf, uint16_t blen)
{
#ifdef SLIP_CONF_MICROSOFT_CHAT
/* This is a hack and won't work across buffer edge! */
if(rxbuf[begin] == 'C') {
int i;
if(begin < next_free && (next_free - begin) >= 6
&& memcmp(&rxbuf[begin], "CLIENT", 6) == 0) {
state = STATE_TWOPACKETS; /* Interrupts do nothing. */
memset(&rxbuf[begin], 0x0, 6);
rxbuf_init();
for(i = 0; i < 13; i++) {
slip_arch_writeb("CLIENTSERVER\300"[i]);
}
return 0;
}
}
#endif /* SLIP_CONF_MICROSOFT_CHAT */
#ifdef SLIP_CONF_ANSWER_MAC_REQUEST
else if(rxbuf[begin] == '?') {
/* Used by tapslip6 to request mac for auto configure */
int i, j;
char* hexchar = "0123456789abcdef";
if(begin < next_free && (next_free - begin) >= 2
&& rxbuf[begin + 1] == 'M') {
state = STATE_TWOPACKETS; /* Interrupts do nothing. */
rxbuf[begin] = 0;
rxbuf[begin + 1] = 0;
rxbuf_init();
linkaddr_t addr = get_mac_addr();
/* this is just a test so far... just to see if it works */
slip_arch_writeb('!');
slip_arch_writeb('M');
for(j = 0; j < 8; j++) {
slip_arch_writeb(hexchar[addr.u8[j] >> 4]);
slip_arch_writeb(hexchar[addr.u8[j] & 15]);
}
slip_arch_writeb(SLIP_END);
return 0;
}
}
#endif /* SLIP_CONF_ANSWER_MAC_REQUEST */
/*
* Interrupt can not change begin but may change pkt_end.
* If pkt_end != begin it will not change again.
@ -338,11 +286,7 @@ PROCESS_THREAD(slip_process, ev, data)
if(input_callback) {
input_callback();
}
#ifdef SLIP_CONF_TCPIP_INPUT
SLIP_CONF_TCPIP_INPUT();
#else
tcpip_input();
#endif
}
}
@ -389,22 +333,14 @@ slip_input_byte(unsigned char c)
}
rxbuf[cur_end] = c;
#ifdef SLIP_CONF_MICROSOFT_CHAT
/* There could be a separate poll routine for this. */
if(c == 'T' && rxbuf[begin] == 'C') {
process_poll(&slip_process);
return 1;
}
#endif /* SLIP_CONF_MICROSOFT_CHAT */
if(c == SLIP_END) {
/*
* We have a new packet, possibly of zero length.
*
* There may already be one packet buffered.
*/
if(cur_end != pkt_end) { /* Non zero length. */
if(begin == pkt_end) { /* None buffered. */
if(cur_end != pkt_end) { /* Non zero length. */
if(begin == pkt_end) { /* None buffered. */
pkt_end = cur_end;
} else {
SLIP_STATISTICS(slip_twopackets++);