From: Philippe Mathieu-Daudé Date: Wed, 10 Mar 2021 18:31:18 +0000 (+0100) Subject: net/eth: Simplify _eth_get_rss_ex_dst_addr() X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=38462440ca22a8ead2ec1e98ef3c45e264fa6f60;p=qmiga%2Fqemu.git 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 Reviewed-by: Stefano Garzarella Signed-off-by: Philippe Mathieu-Daudé Signed-off-by: Jason Wang --- 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,