diff options
| -rw-r--r-- | include/net/tso.h | 1 | ||||
| -rw-r--r-- | net/core/tso.c | 18 |
2 files changed, 14 insertions, 5 deletions
diff --git a/include/net/tso.h b/include/net/tso.h index 47e5444f7d15..b7be852bfe9d 100644 --- a/include/net/tso.h +++ b/include/net/tso.h @@ -8,6 +8,7 @@ struct tso_t { void *data; size_t size; u16 ip_id; + bool ipv6; u32 tcp_seq; }; diff --git a/net/core/tso.c b/net/core/tso.c index 630b30b4fb53..5dca7ce8ee9f 100644 --- a/net/core/tso.c +++ b/net/core/tso.c @@ -1,4 +1,5 @@ #include <linux/export.h> +#include <linux/if_vlan.h> #include <net/ip.h> #include <net/tso.h> #include <asm/unaligned.h> @@ -14,18 +15,24 @@ EXPORT_SYMBOL(tso_count_descs); void tso_build_hdr(struct sk_buff *skb, char *hdr, struct tso_t *tso, int size, bool is_last) { - struct iphdr *iph; struct tcphdr *tcph; int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); int mac_hdr_len = skb_network_offset(skb); memcpy(hdr, skb->data, hdr_len); - iph = (struct iphdr *)(hdr + mac_hdr_len); - iph->id = htons(tso->ip_id); - iph->tot_len = htons(size + hdr_len - mac_hdr_len); + if (!tso->ipv6) { + struct iphdr *iph = (void *)(hdr + mac_hdr_len); + + iph->id = htons(tso->ip_id); + iph->tot_len = htons(size + hdr_len - mac_hdr_len); + tso->ip_id++; + } else { + struct ipv6hdr *iph = (void *)(hdr + mac_hdr_len); + + iph->payload_len = htons(size + tcp_hdrlen(skb)); + } tcph = (struct tcphdr *)(hdr + skb_transport_offset(skb)); put_unaligned_be32(tso->tcp_seq, &tcph->seq); - tso->ip_id++; if (!is_last) { /* Clear all special flags for not last packet */ @@ -61,6 +68,7 @@ void tso_start(struct sk_buff *skb, struct tso_t *tso) tso->ip_id = ntohs(ip_hdr(skb)->id); tso->tcp_seq = ntohl(tcp_hdr(skb)->seq); tso->next_frag_idx = 0; + tso->ipv6 = vlan_get_protocol(skb) == htons(ETH_P_IPV6); /* Build first data */ tso->size = skb_headlen(skb) - hdr_len; |