diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c index 39f198d7595b..d4d23ab446ef 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c @@ -123,10 +123,11 @@ rmnet_map_ipv6_dl_csum_trailer(struct sk_buff *skb, struct ipv6hdr *ip6h = (struct ipv6hdr *)skb->data; void *txporthdr = skb->data + sizeof(*ip6h); __sum16 *csum_field, pseudo_csum, csum_temp; - u16 csum_value, csum_value_final; __be16 ip6_hdr_csum, addend; __sum16 ip6_payload_csum; __be16 ip_header_csum; + u16 csum_value_final; + __be16 csum_value; u32 length; /* Checksum offload is only supported for UDP and TCP protocols; @@ -144,21 +145,21 @@ rmnet_map_ipv6_dl_csum_trailer(struct sk_buff *skb, * of the IP header from the trailer checksum. We then add the * checksum computed over the pseudo header. */ - csum_value = ~ntohs(csum_trailer->csum_value); + csum_value = ~csum_trailer->csum_value; ip_header_csum = (__force __be16)ip_fast_csum(ip6h, sizeof(*ip6h) / 4); - ip6_hdr_csum = (__force __be16)~ntohs(ip_header_csum); + ip6_hdr_csum = (__force __be16)~ip_header_csum; ip6_payload_csum = csum16_sub((__force __sum16)csum_value, ip6_hdr_csum); length = (ip6h->nexthdr == IPPROTO_UDP) ? ntohs(((struct udphdr *)txporthdr)->len) : ntohs(ip6h->payload_len); - pseudo_csum = ~(csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, - length, ip6h->nexthdr, 0)); - addend = (__force __be16)ntohs((__force __be16)pseudo_csum); + pseudo_csum = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, + length, ip6h->nexthdr, 0); + addend = (__force __be16)pseudo_csum; pseudo_csum = csum16_add(ip6_payload_csum, addend); - addend = (__force __be16)ntohs((__force __be16)*csum_field); + addend = (__force __be16)*csum_field; csum_temp = ~csum16_sub(pseudo_csum, addend); csum_value_final = (__force u16)csum_temp; @@ -179,7 +180,7 @@ rmnet_map_ipv6_dl_csum_trailer(struct sk_buff *skb, } } - if (csum_value_final == ntohs((__force __be16)*csum_field)) { + if (csum_value_final == (__force u16)*csum_field) { priv->stats.csum_ok++; return 0; } else { |