diff options
Diffstat (limited to 'net/ipv6/esp6.c')
| -rw-r--r-- | net/ipv6/esp6.c | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 6e6efe026cdc..9e73944e3b53 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -36,6 +36,7 @@ #include <net/tcp.h> #include <net/espintcp.h> #include <net/inet6_hashtables.h> +#include <linux/skbuff_ref.h> #include <linux/highmem.h> @@ -112,7 +113,7 @@ static inline struct scatterlist *esp_req_sg(struct crypto_aead *aead, __alignof__(struct scatterlist)); } -static void esp_ssg_unref(struct xfrm_state *x, void *tmp) +static void esp_ssg_unref(struct xfrm_state *x, void *tmp, struct sk_buff *skb) { struct crypto_aead *aead = x->data; int extralen = 0; @@ -131,7 +132,8 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp) */ if (req->src != req->dst) for (sg = sg_next(req->src); sg; sg = sg_next(sg)) - put_page(sg_page(sg)); + skb_page_unref(page_to_netmem(sg_page(sg)), + skb->pp_recycle); } #ifdef CONFIG_INET6_ESPINTCP @@ -255,8 +257,7 @@ static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb) #else static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb) { - kfree_skb(skb); - + WARN_ON(1); return -EOPNOTSUPP; } #endif @@ -294,7 +295,7 @@ static void esp_output_done(void *data, int err) } tmp = ESP_SKB_CB(skb)->tmp; - esp_ssg_unref(x, tmp); + esp_ssg_unref(x, tmp, skb); kfree(tmp); esp_output_encap_csum(skb); @@ -314,7 +315,7 @@ static void esp_output_done(void *data, int err) x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP) esp_output_tail_tcp(x, skb); else - xfrm_output_resume(skb->sk, skb, err); + xfrm_output_resume(skb_to_full_sk(skb), skb, err); } } @@ -383,7 +384,6 @@ static struct ip_esp_hdr *esp6_output_udp_encap(struct sk_buff *skb, __be16 dport) { struct udphdr *uh; - __be32 *udpdata32; unsigned int len; len = skb->len + esp->tailen - skb_transport_offset(skb); @@ -398,12 +398,6 @@ static struct ip_esp_hdr *esp6_output_udp_encap(struct sk_buff *skb, *skb_mac_header(skb) = IPPROTO_UDP; - if (encap_type == UDP_ENCAP_ESPINUDP_NON_IKE) { - udpdata32 = (__be32 *)(uh + 1); - udpdata32[0] = udpdata32[1] = 0; - return (struct ip_esp_hdr *)(udpdata32 + 2); - } - return (struct ip_esp_hdr *)(uh + 1); } @@ -459,7 +453,6 @@ static int esp6_output_encap(struct xfrm_state *x, struct sk_buff *skb, switch (encap_type) { default: case UDP_ENCAP_ESPINUDP: - case UDP_ENCAP_ESPINUDP_NON_IKE: esph = esp6_output_udp_encap(skb, encap_type, esp, sport, dport); break; case TCP_ENCAP_ESPINTCP: @@ -677,7 +670,7 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info } if (sg != dsg) - esp_ssg_unref(x, tmp); + esp_ssg_unref(x, tmp, skb); if (!err && x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP) err = esp_output_tail_tcp(x, skb); @@ -822,7 +815,6 @@ int esp6_input_done2(struct sk_buff *skb, int err) source = th->source; break; case UDP_ENCAP_ESPINUDP: - case UDP_ENCAP_ESPINUDP_NON_IKE: source = uh->source; break; default: @@ -867,7 +859,8 @@ int esp6_input_done2(struct sk_buff *skb, int err) skb_postpull_rcsum(skb, skb_network_header(skb), skb_network_header_len(skb)); skb_pull_rcsum(skb, hlen); - if (x->props.mode == XFRM_MODE_TUNNEL) + if (x->props.mode == XFRM_MODE_TUNNEL || + x->props.mode == XFRM_MODE_IPTFS) skb_reset_transport_header(skb); else skb_set_transport_header(skb, -hdr_len); @@ -1232,9 +1225,6 @@ static int esp6_init_state(struct xfrm_state *x, struct netlink_ext_ack *extack) case UDP_ENCAP_ESPINUDP: x->props.header_len += sizeof(struct udphdr); break; - case UDP_ENCAP_ESPINUDP_NON_IKE: - x->props.header_len += sizeof(struct udphdr) + 2 * sizeof(u32); - break; #ifdef CONFIG_INET6_ESPINTCP case TCP_ENCAP_ESPINTCP: /* only the length field, TCP encap is done by |