If CONFIG_INET is not set, building fails: drivers/net/netdevsim/dev.o: In function `nsim_dev_trap_report_work': dev.c:(.text+0x67b): undefined reference to `ip_send_check'
Use ip_fast_csum instead of ip_send_check to avoid dependencies on CONFIG_INET. Reported-by: Hulk Robot <[email protected]> Fixes: da58f90f11f5 ("netdevsim: Add devlink-trap support") Signed-off-by: YueHaibing <[email protected]> --- v2: use ip_fast_csum instead of ip_send_check --- drivers/net/netdevsim/dev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index c5b0261..39cdb6c 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -389,7 +389,8 @@ static struct sk_buff *nsim_dev_trap_skb_build(void) iph->ihl = 0x5; iph->tot_len = htons(tot_len); iph->ttl = 100; - ip_send_check(iph); + iph->check = 0; + iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl); udph = skb_put_zero(skb, sizeof(struct udphdr) + data_len); get_random_bytes(&udph->source, sizeof(u16)); -- 2.7.4
