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patch #8027: Completed HW checksuming for IPv4 and IPv6 ICMP's

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This commit is contained in:
Simon Goldschmidt
2014-01-17 22:32:36 +01:00
parent 8ae472821f
commit 018719d9d3
8 changed files with 334 additions and 296 deletions
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8
src/core/ipv6/icmp6.c
View File

@@ -96,7 +96,7 @@ icmp6_input(struct pbuf *p, struct netif *inp)
icmp6hdr = (struct icmp6_hdr *)p->payload;
#if LWIP_ICMP6_CHECKSUM_CHECK
#if CHECKSUM_CHECK_ICMP6
if (ip6_chksum_pseudo(p, IP6_NEXTH_ICMP6, p->tot_len, ip6_current_src_addr(),
ip6_current_dest_addr()) != 0) {
/* Checksum failed */
@@ -105,7 +105,7 @@ icmp6_input(struct pbuf *p, struct netif *inp)
ICMP6_STATS_INC(icmp6.drop);
return;
}
#endif /* LWIP_ICMP6_CHECKSUM_CHECK */
#endif /* CHECKSUM_CHECK_ICMP6 */
switch (icmp6hdr->type) {
case ICMP6_TYPE_NA: /* Neighbor advertisement */
@@ -179,8 +179,10 @@ icmp6_input(struct pbuf *p, struct netif *inp)
/* Set fields in reply. */
((struct icmp6_echo_hdr *)(r->payload))->type = ICMP6_TYPE_EREP;
((struct icmp6_echo_hdr *)(r->payload))->chksum = 0;
#if CHECKSUM_GEN_ICMP6
((struct icmp6_echo_hdr *)(r->payload))->chksum = ip6_chksum_pseudo(r,
IP6_NEXTH_ICMP6, r->tot_len, reply_src, ip6_current_src_addr());
#endif /* CHECKSUM_GEN_ICMP6 */
/* Send reply. */
ICMP6_STATS_INC(icmp6.xmit);
@@ -327,8 +329,10 @@ icmp6_send_response(struct pbuf *p, u8_t code, u32_t data, u8_t type)
/* calculate checksum */
icmp6hdr->chksum = 0;
#if CHECKSUM_GEN_ICMP6
icmp6hdr->chksum = ip6_chksum_pseudo(q, IP6_NEXTH_ICMP6, q->tot_len,
reply_src, reply_dest);
#endif /* CHECKSUM_GEN_ICMP6 */
ICMP6_STATS_INC(icmp6.xmit);
ip6_output_if(q, reply_src, reply_dest, LWIP_ICMP6_HL, 0, IP6_NEXTH_ICMP6, netif);

2
src/core/ipv6/mld6.c
View File

@@ -563,8 +563,10 @@ mld6_send(struct mld_group *group, u8_t type)
mld_hdr->reserved = 0;
ip6_addr_set(&(mld_hdr->multicast_address), &(group->group_address));
#if CHECKSUM_GEN_ICMP6
mld_hdr->chksum = ip6_chksum_pseudo(p, IP6_NEXTH_ICMP6, p->len,
src_addr, &(group->group_address));
#endif /* CHECKSUM_GEN_ICMP6 */
/* Add hop-by-hop headers options: router alert with MLD value. */
ip6_options_add_hbh_ra(p, IP6_NEXTH_ICMP6, IP6_ROUTER_ALERT_VALUE_MLD);

6
src/core/ipv6/nd6.c
View File

@@ -838,8 +838,10 @@ nd6_send_ns(struct netif * netif, ip6_addr_t * target_addr, u8_t flags)
target_addr = &multicast_address;
}
#if CHECKSUM_GEN_ICMP6
ns_hdr->chksum = ip6_chksum_pseudo(p, IP6_NEXTH_ICMP6, p->len, src_addr,
target_addr);
#endif /* CHECKSUM_GEN_ICMP6 */
/* Send the packet out. */
ND6_STATS_INC(nd6.xmit);
@@ -910,8 +912,10 @@ nd6_send_na(struct netif * netif, ip6_addr_t * target_addr, u8_t flags)
dest_addr = ip6_current_src_addr();
}
#if CHECKSUM_GEN_ICMP6
na_hdr->chksum = ip6_chksum_pseudo(p, IP6_NEXTH_ICMP6, p->len, src_addr,
dest_addr);
#endif /* CHECKSUM_GEN_ICMP6 */
/* Send the packet out. */
ND6_STATS_INC(nd6.xmit);
@@ -977,8 +981,10 @@ nd6_send_rs(struct netif * netif)
SMEMCPY(lladdr_opt->addr, netif->hwaddr, netif->hwaddr_len);
}
#if CHECKSUM_GEN_ICMP6
rs_hdr->chksum = ip6_chksum_pseudo(p, IP6_NEXTH_ICMP6, p->len, src_addr,
&multicast_address);
#endif /* CHECKSUM_GEN_ICMP6 */
/* Send the packet out. */
ND6_STATS_INC(nd6.xmit);