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PPP, CCP, added receive and transmit chosen protocols in ccp_flags_set() (renamed ccp_set())

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We need to know which methods were chosen when CCP is up, this used to be done
using ccp_test() which we are in the process of removing.

Using non-existing method 0 instead of -1 in CCP for unset method, allowing
type change from s16_t to u8_t for method.
This commit is contained in:
Sylvain Rochet 2015-04-19 13:51:35 +02:00
parent a5503df32b
commit ffb10e7aac
4 changed files with 14 additions and 12 deletions
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2
src/include/netif/ppp/ccp.h
View File

@ -152,7 +152,7 @@ typedef struct ccp_options {
#if DEFLATE_SUPPORT
u_short deflate_size; /* lg(window size) for Deflate */
#endif /* DEFLATE_SUPPORT */
short method; /* code for chosen compression method */
u8_t method; /* code for chosen compression method */
} ccp_options;
extern const struct protent ccp_protent;

2
src/include/netif/ppp/ppp_impl.h
View File

@ -475,7 +475,7 @@ int netif_get_mtu(ppp_pcb *pcb);
#if CCP_SUPPORT
int ccp_test(ppp_pcb *pcb, u_char *opt_ptr, int opt_len, int for_transmit);
void ccp_flags_set(ppp_pcb *pcb, int isopen, int isup);
void ccp_set(ppp_pcb *pcb, u8_t isopen, u8_t isup, u8_t receive_method, u8_t transmit_method);
int ccp_fatal_error(ppp_pcb *pcb);
#endif /* CCP_SUPPORT */

14
src/netif/ppp/ccp.c
View File

@ -420,7 +420,7 @@ static void ccp_open(ppp_pcb *pcb) {
ccp_options *go = &pcb->ccp_gotoptions;
if (f->state != PPP_FSM_OPENED)
ccp_flags_set(pcb, 1, 0);
ccp_set(pcb, 1, 0, 0, 0);
/*
* Find out which compressors the kernel supports before
@ -438,7 +438,7 @@ static void ccp_open(ppp_pcb *pcb) {
*/
static void ccp_close(ppp_pcb *pcb, const char *reason) {
fsm *f = &pcb->ccp_fsm;
ccp_flags_set(pcb, 0, 0);
ccp_set(pcb, 0, 0, 0, 0);
fsm_close(f, reason);
}
@ -530,7 +530,7 @@ static void ccp_protrej(ppp_pcb *pcb) {
ccp_options *go = &pcb->ccp_gotoptions;
#endif /* MPPE_SUPPORT */
ccp_flags_set(pcb, 0, 0);
ccp_set(pcb, 0, 0, 0, 0);
fsm_lowerdown(f);
#if MPPE_SUPPORT
@ -820,7 +820,7 @@ static void ccp_addci(fsm *f, u_char *p, int *lenp) {
}
#endif /* PREDICTOR_SUPPORT */
go->method = (p > p0)? p0[0]: -1;
go->method = (p > p0)? p0[0]: 0;
*lenp = p - p0;
}
@ -1120,7 +1120,7 @@ static int ccp_reqci(fsm *f, u_char *p, int *lenp, int dont_nak) {
len = *lenp;
memset(ho, 0, sizeof(ccp_options));
ho->method = (len > 0)? p[0]: -1;
ho->method = (len > 0)? p[0]: 0;
while (len > 0) {
newret = CONFACK;
@ -1459,7 +1459,7 @@ static void ccp_up(fsm *f) {
ccp_options *ho = &pcb->ccp_hisoptions;
char method1[64];
ccp_flags_set(pcb, 1, 1);
ccp_set(pcb, 1, 1, go->method, ho->method);
if (ccp_anycompress(go)) {
if (ccp_anycompress(ho)) {
if (go->method == ho->method) {
@ -1492,7 +1492,7 @@ static void ccp_down(fsm *f) {
if (pcb->ccp_localstate & RACK_PENDING)
UNTIMEOUT(ccp_rack_timeout, f);
pcb->ccp_localstate = 0;
ccp_flags_set(pcb, 1, 0);
ccp_set(pcb, 1, 0, 0, 0);
#if MPPE_SUPPORT
if (go->mppe) {
go->mppe = 0;

8
src/netif/ppp/ppp.c
View File

@ -114,7 +114,7 @@
#endif /* EAP_SUPPORT */
#if CCP_SUPPORT
#include "netif/ppp/ccp.h"
#endif /* EAP_SUPPORT */
#endif /* CCP_SUPPORT */
#if ECP_SUPPORT
#include "netif/ppp/ecp.h"
#endif /* EAP_SUPPORT */
@ -1153,14 +1153,16 @@ ccp_test(ppp_pcb *pcb, u_char *opt_ptr, int opt_len, int for_transmit)
}
/*
* ccp_flags_set - inform about the current state of CCP.
* ccp_set - inform about the current state of CCP.
*/
void
ccp_flags_set(ppp_pcb *pcb, int isopen, int isup)
ccp_set(ppp_pcb *pcb, u8_t isopen, u8_t isup, u8_t receive_method, u8_t transmit_method)
{
LWIP_UNUSED_ARG(pcb);
LWIP_UNUSED_ARG(isopen);
LWIP_UNUSED_ARG(isup);
LWIP_UNUSED_ARG(receive_method);
LWIP_UNUSED_ARG(transmit_method);
}
/*