From: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org> Add functions implementing IPsec events support.
Signed-off-by: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org> --- /** Email created from pull request 81 (lumag:ipsec-packet-impl-2) ** https://github.com/Linaro/odp/pull/81 ** Patch: https://github.com/Linaro/odp/pull/81.patch ** Base sha: c16f1363303cd5fc11324acbc4dfebe0a9680a41 ** Merge commit sha: 0200589a1a6a31f0d0a93454a68bffbfe56d325c **/ platform/linux-generic/Makefile.am | 2 + platform/linux-generic/include/odp_internal.h | 4 + .../linux-generic/include/odp_ipsec_internal.h | 84 +++++++++++ platform/linux-generic/odp_event.c | 4 + platform/linux-generic/odp_init.c | 13 ++ platform/linux-generic/odp_ipsec.c | 10 +- platform/linux-generic/odp_ipsec_events.c | 158 +++++++++++++++++++++ 7 files changed, 267 insertions(+), 8 deletions(-) create mode 100644 platform/linux-generic/include/odp_ipsec_internal.h create mode 100644 platform/linux-generic/odp_ipsec_events.c diff --git a/platform/linux-generic/Makefile.am b/platform/linux-generic/Makefile.am index f43e14be..42da7191 100644 --- a/platform/linux-generic/Makefile.am +++ b/platform/linux-generic/Makefile.am @@ -175,6 +175,7 @@ noinst_HEADERS = \ ${srcdir}/include/odp_errno_define.h \ ${srcdir}/include/odp_forward_typedefs_internal.h \ ${srcdir}/include/odp_internal.h \ + ${srcdir}/include/odp_ipsec_internal.h \ ${srcdir}/include/odp_llqueue.h \ ${srcdir}/include/odp_name_table_internal.h \ ${srcdir}/include/odp_packet_internal.h \ @@ -247,6 +248,7 @@ __LIB__libodp_linux_la_SOURCES = \ odp_init.c \ odp_impl.c \ odp_ipsec.c \ + odp_ipsec_events.c \ odp_name_table.c \ odp_packet.c \ odp_packet_flags.c \ diff --git a/platform/linux-generic/include/odp_internal.h b/platform/linux-generic/include/odp_internal.h index ab935ff8..f916631b 100644 --- a/platform/linux-generic/include/odp_internal.h +++ b/platform/linux-generic/include/odp_internal.h @@ -74,6 +74,7 @@ enum init_stage { CLASSIFICATION_INIT, TRAFFIC_MNGR_INIT, NAME_TABLE_INIT, + IPSEC_EVENTS_INIT, MODULES_INIT, ALL_INIT /* All init stages completed */ }; @@ -133,6 +134,9 @@ int _odp_ishm_init_local(void); int _odp_ishm_term_global(void); int _odp_ishm_term_local(void); +int _odp_ipsec_events_init_global(void); +int _odp_ipsec_events_term_global(void); + int _odp_modules_init_global(void); int cpuinfo_parser(FILE *file, system_info_t *sysinfo); diff --git a/platform/linux-generic/include/odp_ipsec_internal.h b/platform/linux-generic/include/odp_ipsec_internal.h new file mode 100644 index 00000000..b31f048f --- /dev/null +++ b/platform/linux-generic/include/odp_ipsec_internal.h @@ -0,0 +1,84 @@ +/* Copyright (c) 2017, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +/** + * @file + * + * ODP internal IPsec routines + */ + +#ifndef ODP_IPSEC_INTERNAL_H_ +#define ODP_IPSEC_INTERNAL_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <odp/api/std_types.h> +#include <odp/api/plat/strong_types.h> + +#include <odp/api/ipsec.h> + +/** @ingroup odp_ipsec + * @{ + */ + +typedef ODP_HANDLE_T(ipsec_status_t); + +#define ODP_IPSEC_STATUS_INVALID \ + _odp_cast_scalar(ipsec_status_t, 0xffffffff) + +/** + * @internal Get ipsec_status handle from event + * + * Converts an ODP_EVENT_IPSEC_STATUS type event to an IPsec status event. + * + * @param ev Event handle + * + * @return IPsec status handle + * + * @see odp_event_type() + */ +ipsec_status_t _odp_ipsec_status_from_event(odp_event_t ev); + +/** + * @internal Free IPsec status event + * + * Frees the ipsec_status into the ipsec_status pool it was allocated from. + * + * @param res IPsec status handle + */ +void _odp_ipsec_status_free(ipsec_status_t status); + +/** + * @internal Send ODP_IPSEC_STATUS event + * + * Sends the ipsec_status event using provided information + * + * @param queue destination queue + * @param id status id + * @param sa SA respective to the operation + * @param result status value + * @param warn generated warning + * + * @retval 0 on success + * @retval <0 on failure + */ +int _odp_ipsec_status_send(odp_queue_t queue, + odp_ipsec_status_id_t id, + odp_ipsec_sa_t sa, + int result, + odp_ipsec_warn_t warn); + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/platform/linux-generic/odp_event.c b/platform/linux-generic/odp_event.c index 23b410d8..f03faa64 100644 --- a/platform/linux-generic/odp_event.c +++ b/platform/linux-generic/odp_event.c @@ -11,6 +11,7 @@ #include <odp/api/timer.h> #include <odp/api/pool.h> #include <odp_buffer_internal.h> +#include <odp_ipsec_internal.h> #include <odp_buffer_inlines.h> #include <odp_debug_internal.h> @@ -49,6 +50,9 @@ void odp_event_free(odp_event_t event) case ODP_EVENT_CRYPTO_COMPL: odp_crypto_compl_free(odp_crypto_compl_from_event(event)); break; + case ODP_EVENT_IPSEC_STATUS: + _odp_ipsec_status_free(_odp_ipsec_status_from_event(event)); + break; default: ODP_ABORT("Invalid event type: %d\n", odp_event_type(event)); } diff --git a/platform/linux-generic/odp_init.c b/platform/linux-generic/odp_init.c index 84667ed7..22bcbdc8 100644 --- a/platform/linux-generic/odp_init.c +++ b/platform/linux-generic/odp_init.c @@ -220,6 +220,12 @@ int odp_init_global(odp_instance_t *instance, } stage = NAME_TABLE_INIT; + if (_odp_ipsec_events_init_global()) { + ODP_ERR("ODP IPsec events init failed.\n"); + goto init_failed; + } + stage = IPSEC_EVENTS_INIT; + if (_odp_modules_init_global()) { ODP_ERR("ODP modules init failed\n"); goto init_failed; @@ -250,6 +256,13 @@ int _odp_term_global(enum init_stage stage) switch (stage) { case ALL_INIT: case MODULES_INIT: + case IPSEC_EVENTS_INIT: + if (_odp_ipsec_events_term_global()) { + ODP_ERR("ODP IPsec events term failed.\n"); + rc = -1; + } + /* Fall through */ + case NAME_TABLE_INIT: if (_odp_int_name_tbl_term_global()) { ODP_ERR("Name table term failed.\n"); diff --git a/platform/linux-generic/odp_ipsec.c b/platform/linux-generic/odp_ipsec.c index c7eeb4ec..f2757628 100644 --- a/platform/linux-generic/odp_ipsec.c +++ b/platform/linux-generic/odp_ipsec.c @@ -6,6 +6,8 @@ #include <odp/api/ipsec.h> +#include <odp_ipsec_internal.h> + #include <string.h> int odp_ipsec_capability(odp_ipsec_capability_t *capa) @@ -139,14 +141,6 @@ int odp_ipsec_result(odp_ipsec_packet_result_t *result, odp_packet_t packet) return -1; } -int odp_ipsec_status(odp_ipsec_status_t *status, odp_event_t event) -{ - (void)status; - (void)event; - - return -1; -} - int odp_ipsec_mtu_update(odp_ipsec_sa_t sa, uint32_t mtu) { (void)sa; diff --git a/platform/linux-generic/odp_ipsec_events.c b/platform/linux-generic/odp_ipsec_events.c new file mode 100644 index 00000000..79090642 --- /dev/null +++ b/platform/linux-generic/odp_ipsec_events.c @@ -0,0 +1,158 @@ +/* Copyright (c) 2017, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <odp/api/ipsec.h> +#include <odp/api/shared_memory.h> + +#include <odp_buffer_internal.h> +#include <odp_buffer_inlines.h> +#include <odp_debug_internal.h> +#include <odp_ipsec_internal.h> +#include <odp_pool_internal.h> + +typedef struct { + /* common buffer header */ + odp_buffer_hdr_t buf_hdr; + + odp_ipsec_status_t status; +} ipsec_status_hdr_t; + +static odp_pool_t ipsec_status_pool = ODP_POOL_INVALID; + +#define IPSEC_EVENTS_POOL_BUF_COUNT 1024 + +int _odp_ipsec_events_init_global(void) +{ + odp_pool_param_t param; + + odp_pool_param_init(¶m); + + param.buf.size = sizeof(ipsec_status_hdr_t); + param.buf.align = 0; + param.buf.num = IPSEC_EVENTS_POOL_BUF_COUNT; + param.type = ODP_POOL_BUFFER; + + ipsec_status_pool = odp_pool_create("ipsec_status_pool", ¶m); + if (ODP_POOL_INVALID == ipsec_status_pool) { + ODP_ERR("Error: status pool create failed.\n"); + goto err_status; + } + + return 0; + +err_status: + return -1; +} + +int _odp_ipsec_events_term_global(void) +{ + int ret = 0; + int rc = 0; + + ret = odp_pool_destroy(ipsec_status_pool); + if (ret < 0) { + ODP_ERR("status pool destroy failed"); + rc = -1; + } + + return rc; +} + +ipsec_status_t _odp_ipsec_status_from_event(odp_event_t ev) +{ + ODP_ASSERT(ODP_EVENT_INVALID != ev); + ODP_ASSERT(ODP_EVENT_IPSEC_STATUS == odp_event_type(ev)); + + return (ipsec_status_t)ev; +} + +static +odp_event_t ipsec_status_to_event(ipsec_status_t status) +{ + ODP_ASSERT(ODP_IPSEC_STATUS_INVALID != status); + + return (odp_event_t)status; +} + +static +ipsec_status_hdr_t *ipsec_status_hdr_from_buf(odp_buffer_t buf) +{ + return (ipsec_status_hdr_t *)(void *)buf_hdl_to_hdr(buf); +} + +static +ipsec_status_hdr_t *ipsec_status_hdr(ipsec_status_t status) +{ + odp_buffer_t buf = odp_buffer_from_event(ipsec_status_to_event(status)); + + return ipsec_status_hdr_from_buf(buf); +} + +static +ipsec_status_t odp_ipsec_status_alloc(void) +{ + odp_buffer_t buf = odp_buffer_alloc(ipsec_status_pool); + + if (odp_unlikely(buf == ODP_BUFFER_INVALID)) + return ODP_IPSEC_STATUS_INVALID; + + _odp_buffer_event_type_set(buf, ODP_EVENT_IPSEC_STATUS); + + return _odp_ipsec_status_from_event(odp_buffer_to_event(buf)); +} + +void _odp_ipsec_status_free(ipsec_status_t status) +{ + odp_event_t ev = ipsec_status_to_event(status); + + odp_buffer_free(odp_buffer_from_event(ev)); +} + +int _odp_ipsec_status_send(odp_queue_t queue, + odp_ipsec_status_id_t id, + odp_ipsec_sa_t sa, + int result, + odp_ipsec_warn_t warn) +{ + ipsec_status_t ipsec_ev = odp_ipsec_status_alloc(); + ipsec_status_hdr_t *status_hdr; + + if (ODP_IPSEC_STATUS_INVALID == ipsec_ev) + return -1; + + status_hdr = ipsec_status_hdr(ipsec_ev); + + status_hdr->status.id = id; + status_hdr->status.sa = sa; + status_hdr->status.result = result; + status_hdr->status.warn = warn; + + if (odp_queue_enq(queue, ipsec_status_to_event(ipsec_ev))) { + _odp_ipsec_status_free(ipsec_ev); + return -1; + } + + return 0; +} + +int odp_ipsec_status(odp_ipsec_status_t *status, odp_event_t event) +{ + ipsec_status_t ipsec_ev; + ipsec_status_hdr_t *status_hdr; + + if (odp_unlikely(ODP_EVENT_INVALID == event)) + return -1; + + ipsec_ev = _odp_ipsec_status_from_event(event); + if (odp_unlikely(ODP_IPSEC_STATUS_INVALID == ipsec_ev)) + return -1; + + status_hdr = ipsec_status_hdr(ipsec_ev); + + *status = status_hdr->status; + + return 0; +}
