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| author | Atul Gupta <atul.gupta@chelsio.com> | 2017-11-16 14:27:08 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-11-29 09:33:29 +0300 |
| commit | 6dad4e8ab3ec65c3b948ad79e83751cf0f04cbdf (patch) | |
| tree | b056846482f223e7a0b9f5ce41b82b47e882db71 /drivers/crypto/chelsio/chcr_core.c | |
| parent | a6ec572bfa7d529be78afbb703f8d9381954cdff (diff) | |
| download | linux-6dad4e8ab3ec65c3b948ad79e83751cf0f04cbdf.tar.xz | |
chcr: Add support for Inline IPSec
register xfrmdev_ops callbacks, Send IPsec tunneled data
to HW for inline processing.
The driver use hardware crypto accelerator to encrypt and
generate ICV for the transmitted packet in Inline mode.
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/chelsio/chcr_core.c')
| -rw-r--r-- | drivers/crypto/chelsio/chcr_core.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/crypto/chelsio/chcr_core.c b/drivers/crypto/chelsio/chcr_core.c index f5a2624081dc..04f277cade7c 100644 --- a/drivers/crypto/chelsio/chcr_core.c +++ b/drivers/crypto/chelsio/chcr_core.c @@ -48,6 +48,9 @@ static struct cxgb4_uld_info chcr_uld_info = { .add = chcr_uld_add, .state_change = chcr_uld_state_change, .rx_handler = chcr_uld_rx_handler, +#ifdef CONFIG_CHELSIO_IPSEC_INLINE + .tx_handler = chcr_uld_tx_handler, +#endif /* CONFIG_CHELSIO_IPSEC_INLINE */ }; struct uld_ctx *assign_chcr_device(void) @@ -164,6 +167,10 @@ static void *chcr_uld_add(const struct cxgb4_lld_info *lld) goto out; } u_ctx->lldi = *lld; +#ifdef CONFIG_CHELSIO_IPSEC_INLINE + if (lld->crypto & ULP_CRYPTO_IPSEC_INLINE) + chcr_add_xfrmops(lld); +#endif /* CONFIG_CHELSIO_IPSEC_INLINE */ out: return u_ctx; } @@ -187,6 +194,13 @@ int chcr_uld_rx_handler(void *handle, const __be64 *rsp, return 0; } +#ifdef CONFIG_CHELSIO_IPSEC_INLINE +int chcr_uld_tx_handler(struct sk_buff *skb, struct net_device *dev) +{ + return chcr_ipsec_xmit(skb, dev); +} +#endif /* CONFIG_CHELSIO_IPSEC_INLINE */ + static int chcr_uld_state_change(void *handle, enum cxgb4_state state) { struct uld_ctx *u_ctx = handle; |