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No need to pass 'acc' as u16_t since the _base functions are internal (we save one AND op when passing as u32_t)

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This commit is contained in:
goldsimon 2011-07-04 19:10:49 +00:00
parent cc84f28d1b
commit c2fd905e32
1 changed files with 6 additions and 8 deletions
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14
src/core/inet_chksum.c
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@ -259,11 +259,10 @@ lwip_standard_chksum(void *dataptr, int len)
/** Parts of the pseudo checksum which are common to IPv4 and IPv6 */ /** Parts of the pseudo checksum which are common to IPv4 and IPv6 */
static u16_t static u16_t
inet_cksum_pseudo_base(struct pbuf *p, u8_t proto, u16_t proto_len, u16_t chksum_base) inet_cksum_pseudo_base(struct pbuf *p, u8_t proto, u16_t proto_len, u32_t acc)
{ {
struct pbuf *q; struct pbuf *q;
u8_t swapped = 0; u8_t swapped = 0;
u32_t acc = chksum_base;
/* iterate through all pbuf in chain */ /* iterate through all pbuf in chain */
for(q = p; q != NULL; q = q->next) { for(q = p; q != NULL; q = q->next) {
@ -325,7 +324,7 @@ inet_chksum_pseudo(struct pbuf *p, u8_t proto, u16_t proto_len,
acc = FOLD_U32T(acc); acc = FOLD_U32T(acc);
acc = FOLD_U32T(acc); acc = FOLD_U32T(acc);
return inet_cksum_pseudo_base(p, proto, proto_len, (u16_t)acc); return inet_cksum_pseudo_base(p, proto, proto_len, acc);
} }
#if LWIP_IPV6 #if LWIP_IPV6
/** /**
@ -359,19 +358,18 @@ ip6_chksum_pseudo(struct pbuf *p, u8_t proto, u16_t proto_len,
acc = FOLD_U32T(acc); acc = FOLD_U32T(acc);
acc = FOLD_U32T(acc); acc = FOLD_U32T(acc);
return inet_cksum_pseudo_base(p, proto, proto_len, (u16_t)acc); return inet_cksum_pseudo_base(p, proto, proto_len, acc);
} }
#endif /* LWIP_IPV6 */ #endif /* LWIP_IPV6 */
/** Parts of the pseudo checksum which are common to IPv4 and IPv6 */ /** Parts of the pseudo checksum which are common to IPv4 and IPv6 */
static u16_t static u16_t
inet_cksum_pseudo_partial_base(struct pbuf *p, u8_t proto, u16_t proto_len, inet_cksum_pseudo_partial_base(struct pbuf *p, u8_t proto, u16_t proto_len,
u16_t chksum_len, u16_t chksum_base) u16_t chksum_len, u32_t acc)
{ {
struct pbuf *q; struct pbuf *q;
u8_t swapped = 0; u8_t swapped = 0;
u16_t chklen; u16_t chklen;
u32_t acc = chksum_base;
/* iterate through all pbuf in chain */ /* iterate through all pbuf in chain */
for(q = p; (q != NULL) && (chksum_len > 0); q = q->next) { for(q = p; (q != NULL) && (chksum_len > 0); q = q->next) {
@ -438,7 +436,7 @@ inet_chksum_pseudo_partial(struct pbuf *p, u8_t proto, u16_t proto_len,
acc = FOLD_U32T(acc); acc = FOLD_U32T(acc);
acc = FOLD_U32T(acc); acc = FOLD_U32T(acc);
return inet_cksum_pseudo_partial_base(p, proto, proto_len, chksum_len, (u16_t)acc); return inet_cksum_pseudo_partial_base(p, proto, proto_len, chksum_len, acc);
} }
#if LWIP_IPV6 #if LWIP_IPV6
@ -475,7 +473,7 @@ ip6_chksum_pseudo_partial(struct pbuf *p, u8_t proto, u16_t proto_len,
acc = FOLD_U32T(acc); acc = FOLD_U32T(acc);
acc = FOLD_U32T(acc); acc = FOLD_U32T(acc);
return inet_cksum_pseudo_partial_base(p, proto, proto_len, chksum_len, (u16_t)acc); return inet_cksum_pseudo_partial_base(p, proto, proto_len, chksum_len, acc);
} }
#endif /* LWIP_IPV6 */ #endif /* LWIP_IPV6 */