aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPhilippe Mathieu-Daudé <philmd@redhat.com>2021-03-10 19:31:18 +0100
committerJason Wang <jasowang@redhat.com>2021-03-22 17:34:31 +0800
commit38462440ca22a8ead2ec1e98ef3c45e264fa6f60 (patch)
tree98bf7aca2352ec8b3e66225981388d97ad059eee
parentb565b44ec202fbe52a017273319db83f067fe574 (diff)
downloadqemu-arm-38462440ca22a8ead2ec1e98ef3c45e264fa6f60.tar.gz
net/eth: Simplify _eth_get_rss_ex_dst_addr()
The length field is already contained in the ip6_ext_hdr structure. Check it direcly in eth_parse_ipv6_hdr() before calling _eth_get_rss_ex_dst_addr(), which gets a bit simplified. Reviewed-by: Miroslav Rezanina <mrezanin@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
-rw-r--r--net/eth.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/net/eth.c b/net/eth.c
index c8babfa682..06badd123b 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -407,9 +407,7 @@ _eth_get_rss_ex_dst_addr(const struct iovec *pkt, int pkt_frags,
{
struct ip6_ext_hdr_routing *rthdr = (struct ip6_ext_hdr_routing *) ext_hdr;
- if ((rthdr->rtype == 2) &&
- (rthdr->len == sizeof(struct in6_address) / 8) &&
- (rthdr->segleft == 1)) {
+ if ((rthdr->rtype == 2) && (rthdr->segleft == 1)) {
size_t input_size = iov_size(pkt, pkt_frags);
size_t bytes_read;
@@ -528,10 +526,12 @@ bool eth_parse_ipv6_hdr(const struct iovec *pkt, int pkt_frags,
}
if (curr_ext_hdr_type == IP6_ROUTING) {
- info->rss_ex_dst_valid =
- _eth_get_rss_ex_dst_addr(pkt, pkt_frags,
- ip6hdr_off + info->full_hdr_len,
- &ext_hdr, &info->rss_ex_dst);
+ if (ext_hdr.ip6r_len == sizeof(struct in6_address) / 8) {
+ info->rss_ex_dst_valid =
+ _eth_get_rss_ex_dst_addr(pkt, pkt_frags,
+ ip6hdr_off + info->full_hdr_len,
+ &ext_hdr, &info->rss_ex_dst);
+ }
} else if (curr_ext_hdr_type == IP6_DESTINATON) {
info->rss_ex_src_valid =
_eth_get_rss_ex_src_addr(pkt, pkt_frags,