sk->sk_route_caps &= ~flags;
}
-static inline bool sk_check_csum_caps(struct sock *sk)
-{
- return (sk->sk_route_caps & NETIF_F_HW_CSUM) ||
- (sk->sk_family == PF_INET &&
- (sk->sk_route_caps & NETIF_F_IP_CSUM)) ||
- (sk->sk_family == PF_INET6 &&
- (sk->sk_route_caps & NETIF_F_IPV6_CSUM));
-}
-
static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb,
struct iov_iter *from, char *to,
int copy, int offset)
int tcp_sendpage_locked(struct sock *sk, struct page *page, int offset,
size_t size, int flags)
{
- if (!(sk->sk_route_caps & NETIF_F_SG) ||
- !sk_check_csum_caps(sk))
+ if (!(sk->sk_route_caps & NETIF_F_SG))
return sock_no_sendpage_locked(sk, page, offset, size, flags);
tcp_rate_check_app_limited(sk); /* is sending application-limited? */
goto out_err;
}
- zc = sk_check_csum_caps(sk) && sk->sk_route_caps & NETIF_F_SG;
+ zc = sk->sk_route_caps & NETIF_F_SG;
if (!zc)
uarg->zerocopy = 0;
}
goto wait_for_memory;
process_backlog = true;
- /*
- * Check whether we can use HW checksum.
- */
- if (sk_check_csum_caps(sk))
- skb->ip_summed = CHECKSUM_PARTIAL;
+ skb->ip_summed = CHECKSUM_PARTIAL;
skb_entail(sk, skb);
copy = size_goal;