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IPv4: splitted IPv4 header fields version/len and tos, made macros depend on BYTE_ORDER to prevent unnecessary calls to htons()

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This commit is contained in:
Simon Goldschmidt
2011-07-26 20:55:32 +02:00
parent a745528b40
commit 41c785d77a
2 changed files with 21 additions and 8 deletions
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5
src/core/ipv4/ip4.c
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@@ -705,9 +705,10 @@ err_t ip_output_if_opt(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
chk_sum += ip4_addr_get_u32(&iphdr->dest) >> 16;
#endif /* CHECKSUM_GEN_IP_INLINE */
IPH_VHLTOS_SET(iphdr, 4, ip_hlen / 4, tos);
IPH_VHL_SET(iphdr, 4, ip_hlen / 4);
IPH_TOS_SET(iphdr, tos);
#if CHECKSUM_GEN_IP_INLINE
chk_sum += iphdr->_v_hl_tos;
chk_sum += LWIP_MAKE_U16(tos, iphdr->_v_hl);
#endif /* CHECKSUM_GEN_IP_INLINE */
IPH_LEN_SET(iphdr, htons(p->tot_len));
#if CHECKSUM_GEN_IP_INLINE