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Differential D31572 Diff 93784 sys/dev/mlx5/mlx5_en/mlx5_en_hw_tls.c

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sys/dev/mlx5/mlx5_en/mlx5_en_hw_tls.c

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#include <dev/mlx5/tls.h> #include <dev/mlx5/tls.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <sys/ktls.h> #include <sys/ktls.h>
#include <opencrypto/cryptodev.h> #include <opencrypto/cryptodev.h>
#ifdef KERN_TLS #ifdef KERN_TLS
#ifdef RATELIMIT
static if_snd_tag_modify_t mlx5e_tls_rl_snd_tag_modify;
#endif
static if_snd_tag_query_t mlx5e_tls_snd_tag_query;
static if_snd_tag_free_t mlx5e_tls_snd_tag_free;
static const struct if_snd_tag_sw mlx5e_tls_snd_tag_sw = {
.snd_tag_query = mlx5e_tls_snd_tag_query,
.snd_tag_free = mlx5e_tls_snd_tag_free
};
#ifdef RATELIMIT
static const struct if_snd_tag_sw mlx5e_tls_rl_snd_tag_sw = {
.snd_tag_modify = mlx5e_tls_rl_snd_tag_modify,
.snd_tag_query = mlx5e_tls_snd_tag_query,
.snd_tag_free = mlx5e_tls_snd_tag_free
};
#endif
MALLOC_DEFINE(M_MLX5E_TLS, "MLX5E_TLS", "MLX5 ethernet HW TLS"); MALLOC_DEFINE(M_MLX5E_TLS, "MLX5E_TLS", "MLX5 ethernet HW TLS");
/* software TLS context */ /* software TLS context */
struct mlx5_ifc_sw_tls_cntx_bits { struct mlx5_ifc_sw_tls_cntx_bits {
struct mlx5_ifc_tls_static_params_bits param; struct mlx5_ifc_tls_static_params_bits param;
struct mlx5_ifc_tls_progress_params_bits progress; struct mlx5_ifc_tls_progress_params_bits progress;
struct { struct {
uint8_t key_data[8][0x20]; uint8_t key_data[8][0x20];
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CTASSERT(MLX5E_TLS_ST_INIT == 0); CTASSERT(MLX5E_TLS_ST_INIT == 0);
int int
mlx5e_tls_snd_tag_alloc(struct ifnet *ifp, mlx5e_tls_snd_tag_alloc(struct ifnet *ifp,
union if_snd_tag_alloc_params *params, union if_snd_tag_alloc_params *params,
struct m_snd_tag **ppmt) struct m_snd_tag **ppmt)
{ {
union if_snd_tag_alloc_params rl_params; union if_snd_tag_alloc_params rl_params;
const struct if_snd_tag_sw *snd_tag_sw;
struct mlx5e_priv *priv; struct mlx5e_priv *priv;
struct mlx5e_tls_tag *ptag; struct mlx5e_tls_tag *ptag;
const struct tls_session_params *en; const struct tls_session_params *en;
int error; int error;
priv = ifp->if_softc; priv = ifp->if_softc;
if (priv->gone != 0 || priv->tls.init == 0) if (priv->gone != 0 || priv->tls.init == 0)
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memset(&rl_params, 0, sizeof(rl_params)); memset(&rl_params, 0, sizeof(rl_params));
rl_params.hdr = params->hdr; rl_params.hdr = params->hdr;
switch (params->hdr.type) { switch (params->hdr.type) {
#ifdef RATELIMIT #ifdef RATELIMIT
case IF_SND_TAG_TYPE_TLS_RATE_LIMIT: case IF_SND_TAG_TYPE_TLS_RATE_LIMIT:
rl_params.hdr.type = IF_SND_TAG_TYPE_RATE_LIMIT; rl_params.hdr.type = IF_SND_TAG_TYPE_RATE_LIMIT;
rl_params.rate_limit.max_rate = params->tls_rate_limit.max_rate; rl_params.rate_limit.max_rate = params->tls_rate_limit.max_rate;
snd_tag_sw = &mlx5e_tls_rl_snd_tag_sw;
break; break;
#endif #endif
case IF_SND_TAG_TYPE_TLS: case IF_SND_TAG_TYPE_TLS:
rl_params.hdr.type = IF_SND_TAG_TYPE_UNLIMITED; rl_params.hdr.type = IF_SND_TAG_TYPE_UNLIMITED;
snd_tag_sw = &mlx5e_tls_snd_tag_sw;
break; break;
default: default:
error = EOPNOTSUPP; error = EOPNOTSUPP;
goto failure; goto failure;
} }
error = m_snd_tag_alloc(ifp, &rl_params, &ptag->rl_tag); error = m_snd_tag_alloc(ifp, &rl_params, &ptag->rl_tag);
if (error) if (error)
goto failure; goto failure;
/* store pointer to mbuf tag */ /* store pointer to mbuf tag */
MPASS(ptag->tag.refcount == 0); MPASS(ptag->tag.refcount == 0);
m_snd_tag_init(&ptag->tag, ifp, params->hdr.type); m_snd_tag_init(&ptag->tag, ifp, params->hdr.type, snd_tag_sw);
*ppmt = &ptag->tag; *ppmt = &ptag->tag;
queue_work(priv->tls.wq, &ptag->work); queue_work(priv->tls.wq, &ptag->work);
flush_work(&ptag->work); flush_work(&ptag->work);
return (0); return (0);
failure: failure:
mlx5e_tls_tag_zfree(ptag); mlx5e_tls_tag_zfree(ptag);
return (error); return (error);
} }
int
mlx5e_tls_snd_tag_modify(struct m_snd_tag *pmt, union if_snd_tag_modify_params *params)
{
#ifdef RATELIMIT #ifdef RATELIMIT
static int
mlx5e_tls_rl_snd_tag_modify(struct m_snd_tag *pmt, union if_snd_tag_modify_params *params)
{
union if_snd_tag_modify_params rl_params; union if_snd_tag_modify_params rl_params;
struct mlx5e_tls_tag *ptag = struct mlx5e_tls_tag *ptag =
container_of(pmt, struct mlx5e_tls_tag, tag); container_of(pmt, struct mlx5e_tls_tag, tag);
int error; int error;
#endif
switch (pmt->type) {
#ifdef RATELIMIT
case IF_SND_TAG_TYPE_TLS_RATE_LIMIT:
memset(&rl_params, 0, sizeof(rl_params)); memset(&rl_params, 0, sizeof(rl_params));
rl_params.rate_limit.max_rate = params->tls_rate_limit.max_rate; rl_params.rate_limit.max_rate = params->tls_rate_limit.max_rate;
error = ptag->rl_tag->ifp->if_snd_tag_modify(ptag->rl_tag, error = ptag->rl_tag->sw->snd_tag_modify(ptag->rl_tag, &rl_params);
&rl_params);
return (error); return (error);
#endif
default:
return (EOPNOTSUPP);
} }
} #endif
int static int
mlx5e_tls_snd_tag_query(struct m_snd_tag *pmt, union if_snd_tag_query_params *params) mlx5e_tls_snd_tag_query(struct m_snd_tag *pmt, union if_snd_tag_query_params *params)
{ {
struct mlx5e_tls_tag *ptag = struct mlx5e_tls_tag *ptag =
container_of(pmt, struct mlx5e_tls_tag, tag); container_of(pmt, struct mlx5e_tls_tag, tag);
int error;
switch (pmt->type) { return (ptag->rl_tag->sw->snd_tag_query(ptag->rl_tag, params));
#ifdef RATELIMIT
case IF_SND_TAG_TYPE_TLS_RATE_LIMIT:
#endif
case IF_SND_TAG_TYPE_TLS:
error = ptag->rl_tag->ifp->if_snd_tag_query(ptag->rl_tag,
params);
break;
default:
error = EOPNOTSUPP;
break;
} }
return (error);
}
void static void
mlx5e_tls_snd_tag_free(struct m_snd_tag *pmt) mlx5e_tls_snd_tag_free(struct m_snd_tag *pmt)
{ {
struct mlx5e_tls_tag *ptag = struct mlx5e_tls_tag *ptag =
container_of(pmt, struct mlx5e_tls_tag, tag); container_of(pmt, struct mlx5e_tls_tag, tag);
struct mlx5e_priv *priv; struct mlx5e_priv *priv;
m_snd_tag_rele(ptag->rl_tag); m_snd_tag_rele(ptag->rl_tag);
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