diff options
| author |   Steffen Klassert <steffen.klassert@secunet.com> | 2017-04-14 10:07:49 +0200 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2017-04-14 10:07:49 +0200 |
| commit | bcd1f8a45e7d5804e4f7bd78a91348cfce3cb74a (patch) | |
| tree | 16bbfdf78347e85972881ae8de3c32c7a775fff2 /net/xfrm | |
| parent | xfrm: Add encapsulation header offsets while SKB is not encrypted (diff) | |
| download | linux-dev-bcd1f8a45e7d5804e4f7bd78a91348cfce3cb74a.tar.xz linux-dev-bcd1f8a45e7d5804e4f7bd78a91348cfce3cb74a.zip | |
xfrm: Prepare the GRO codepath for hardware offloading.
On IPsec hardware offloading, we already get a secpath with
valid state attached when the packet enters the GRO handlers.
So check for hardware offload and skip the state lookup in this
case.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm')
| -rw-r--r-- | net/xfrm/xfrm_input.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index 362d655eac27..21c6cc965402 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -223,38 +223,38 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type) seq = XFRM_SKB_CB(skb)->seq.input.low; goto resume; } + /* encap_type < -1 indicates a GRO call. */ encap_type = 0; seq = XFRM_SPI_SKB_CB(skb)->seq; - goto lock; - } - - if (xo && (xo->flags & CRYPTO_DONE)) { - crypto_done = true; - x = xfrm_input_state(skb); - family = XFRM_SPI_SKB_CB(skb)->family; - if (!(xo->status & CRYPTO_SUCCESS)) { - if (xo->status & - (CRYPTO_TRANSPORT_AH_AUTH_FAILED | - CRYPTO_TRANSPORT_ESP_AUTH_FAILED | - CRYPTO_TUNNEL_AH_AUTH_FAILED | - CRYPTO_TUNNEL_ESP_AUTH_FAILED)) { - - xfrm_audit_state_icvfail(x, skb, - x->type->proto); - x->stats.integrity_failed++; - XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEPROTOERROR); + if (xo && (xo->flags & CRYPTO_DONE)) { + crypto_done = true; + x = xfrm_input_state(skb); + family = XFRM_SPI_SKB_CB(skb)->family; + + if (!(xo->status & CRYPTO_SUCCESS)) { + if (xo->status & + (CRYPTO_TRANSPORT_AH_AUTH_FAILED | + CRYPTO_TRANSPORT_ESP_AUTH_FAILED | + CRYPTO_TUNNEL_AH_AUTH_FAILED | + CRYPTO_TUNNEL_ESP_AUTH_FAILED)) { + + xfrm_audit_state_icvfail(x, skb, + x->type->proto); + x->stats.integrity_failed++; + XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEPROTOERROR); + goto drop; + } + + XFRM_INC_STATS(net, LINUX_MIB_XFRMINBUFFERERROR); goto drop; } - XFRM_INC_STATS(net, LINUX_MIB_XFRMINBUFFERERROR); - goto drop; - } - - if ((err = xfrm_parse_spi(skb, nexthdr, &spi, &seq)) != 0) { - XFRM_INC_STATS(net, LINUX_MIB_XFRMINHDRERROR); - goto drop; + if ((err = xfrm_parse_spi(skb, nexthdr, &spi, &seq)) != 0) { + XFRM_INC_STATS(net, LINUX_MIB_XFRMINHDRERROR); + goto drop; + } } goto lock; |