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PPP, PPPoS, various static and const added

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ppp_get_fcs() is now static, const modifier added on ppp_accm_mask
This commit is contained in:
Sylvain Rochet 2015-02-16 22:14:09 +01:00
parent 2b9d304816
commit 9358dbbd99
1 changed files with 3 additions and 3 deletions
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6
src/netif/ppp/pppos.c
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@ -68,7 +68,7 @@ static void pppos_drop(pppos_pcb *pcrx);
/* PPP's Asynchronous-Control-Character-Map. The mask array is used
* to select the specific bit for a character. */
static u_char ppp_accm_mask[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 };
static const u_char ppp_accm_mask[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 };
#define ESCAPE_P(accm, c) ((accm)[(c) >> 3] & ppp_accm_mask[c & 0x07])
/*
@ -79,7 +79,7 @@ static u_char ppp_accm_mask[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80
#if PPP_FCS_TABLE
#define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff])
#else
u16_t ppp_get_fcs(u8_t byte);
static u16_t ppp_get_fcs(u8_t byte);
#define PPP_FCS(fcs, c) (((fcs) >> 8) ^ ppp_get_fcs(((fcs) ^ (c)) & 0xff))
#endif
@ -817,7 +817,7 @@ static const u_short fcstab[256] = {
#else /* PPP_FCS_TABLE */
/* The HDLC polynomial: X**0 + X**5 + X**12 + X**16 (0x8408) */
#define PPP_FCS_POLYNOMIAL 0x8408
u16_t ppp_get_fcs(u8_t byte) {
static u16_t ppp_get_fcs(u8_t byte) {
unsigned int octet;
int bit;
octet = byte;