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selftests: net: csum: Clean up recv_verify_packet_ipv6

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Rename ip_len to payload_len since the length in this case refers only
to the payload, and not the entire IP packet like for IPv4. While we're
at it, just use the variable directly when calling
recv_verify_packet_udp/tcp.

Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240930162935.980712-1-sean.anderson@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Sean Anderson 2024-09-30 12:29:34 -04:00 committed by Jakub Kicinski
parent be4e323544
commit d772cc25cc
1 changed files with 5 additions and 7 deletions
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12
tools/testing/selftests/net/lib/csum.c
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@ -675,22 +675,20 @@ static int recv_verify_packet_ipv6(void *nh, int len)
{
struct ipv6hdr *ip6h = nh;
uint16_t proto = cfg_encap ? IPPROTO_UDP : cfg_proto;
uint16_t ip_len;
uint16_t payload_len;
if (len < sizeof(*ip6h) || ip6h->nexthdr != proto)
return -1;
ip_len = ntohs(ip6h->payload_len);
if (ip_len > len - sizeof(*ip6h))
payload_len = ntohs(ip6h->payload_len);
if (payload_len > len - sizeof(*ip6h))
return -1;
len = ip_len;
iph_addr_p = &ip6h->saddr;
if (proto == IPPROTO_TCP)
return recv_verify_packet_tcp(ip6h + 1, len);
return recv_verify_packet_tcp(ip6h + 1, payload_len);
else
return recv_verify_packet_udp(ip6h + 1, len);
return recv_verify_packet_udp(ip6h + 1, payload_len);
}
/* return whether auxdata includes TP_STATUS_CSUM_VALID */