diff options
Diffstat (limited to 'net/core/netpoll.c')
| -rw-r--r-- | net/core/netpoll.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c index ff64e94df535..70035e27d91c 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -473,11 +473,28 @@ static void push_ipv4(struct netpoll *np, struct sk_buff *skb, int len) eth->h_proto = htons(ETH_P_IP); } +static void push_udp(struct netpoll *np, struct sk_buff *skb, int len) +{ + struct udphdr *udph; + int udp_len; + + udp_len = len + sizeof(struct udphdr); + + skb_push(skb, sizeof(struct udphdr)); + skb_reset_transport_header(skb); + + udph = udp_hdr(skb); + udph->source = htons(np->local_port); + udph->dest = htons(np->remote_port); + udph->len = htons(udp_len); + + netpoll_udp_checksum(np, skb, len); +} + int netpoll_send_udp(struct netpoll *np, const char *msg, int len) { int total_len, ip_len, udp_len; struct sk_buff *skb; - struct udphdr *udph; struct ethhdr *eth; if (!IS_ENABLED(CONFIG_PREEMPT_RT)) @@ -499,14 +516,7 @@ int netpoll_send_udp(struct netpoll *np, const char *msg, int len) skb_copy_to_linear_data(skb, msg, len); skb_put(skb, len); - skb_push(skb, sizeof(struct udphdr)); - skb_reset_transport_header(skb); - udph = udp_hdr(skb); - udph->source = htons(np->local_port); - udph->dest = htons(np->remote_port); - udph->len = htons(udp_len); - - netpoll_udp_checksum(np, skb, len); + push_udp(np, skb, len); if (np->ipv6) push_ipv6(np, skb, len); else |