From: Yi He <yi...@linaro.org> Rename the source as loopback.c, move implementation specific data structure into dedicated header file.
Signed-off-by: Yi He <yi...@linaro.org> Signed-off-by: Balakrishna Garapati <balakrishna.garap...@linaro.org> Reviewed-by: Brian Brooks <brian.bro...@arm.com> Reviewed-by: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com> Reviewed-by: Bill Fischofer <bill.fischo...@linaro.org> --- /** Email created from pull request 139 (heyi-linaro:modular-pktio-ops) ** https://github.com/Linaro/odp/pull/139 ** Patch: https://github.com/Linaro/odp/pull/139.patch ** Base sha: a1f50ad720e11a54b13c4786cad4687cb5c4ec2a ** Merge commit sha: 407fcfe1baad9b95b5374f13221abdf50b8d6089 **/ platform/linux-dpdk/Makefile.am | 3 ++- platform/linux-dpdk/include/odp_packet_io_internal.h | 7 +------ platform/linux-generic/Makefile.am | 3 ++- platform/linux-generic/include/odp_packet_io_internal.h | 7 +------ platform/linux-generic/include/odp_pktio_ops_loopback.h | 17 +++++++++++++++++ .../linux-generic/include/odp_pktio_ops_subsystem.h | 13 +++++++++++++ platform/linux-generic/pktio/{loop.c => loopback.c} | 14 +++++++------- 7 files changed, 43 insertions(+), 21 deletions(-) create mode 100644 platform/linux-generic/include/odp_pktio_ops_loopback.h rename platform/linux-generic/pktio/{loop.c => loopback.c} (94%) diff --git a/platform/linux-dpdk/Makefile.am b/platform/linux-dpdk/Makefile.am index 83931d27a..4d5dff5d1 100644 --- a/platform/linux-dpdk/Makefile.am +++ b/platform/linux-dpdk/Makefile.am @@ -190,6 +190,7 @@ noinst_HEADERS = \ ${srcdir}/include/odp_packet_dpdk.h \ ${srcdir}/include/odp_packet_internal.h \ ${top_srcdir}/platform/linux-generic/include/odp_pktio_ops_subsystem.h \ + ${top_srcdir}/platform/linux-generic/include/odp_pktio_ops_loopback.h \ ${top_srcdir}/platform/linux-generic/include/odp_name_table_internal.h \ ${srcdir}/include/odp_packet_io_internal.h \ ${srcdir}/include/odp_errno_define.h \ @@ -246,7 +247,7 @@ __LIB__libodp_dpdk_la_SOURCES = \ pktio/subsystem.c \ odp_packet_flags.c \ ../linux-generic/odp_packet_io.c \ - ../linux-generic/pktio/loop.c \ + ../linux-generic/pktio/loopback.c \ ../linux-generic/odp_pkt_queue.c \ pool/dpdk.c \ ../linux-generic/odp_queue.c \ diff --git a/platform/linux-dpdk/include/odp_packet_io_internal.h b/platform/linux-dpdk/include/odp_packet_io_internal.h index fde172fc5..ba388c9c2 100644 --- a/platform/linux-dpdk/include/odp_packet_io_internal.h +++ b/platform/linux-dpdk/include/odp_packet_io_internal.h @@ -43,11 +43,6 @@ typedef union pktio_entry_u pktio_entry_t; /* Forward declaration */ struct pkt_dpdk_t; -typedef struct { - odp_queue_t loopq; /**< loopback queue for "loop" device */ - odp_bool_t promisc; /**< promiscuous mode state */ -} pkt_loop_t; - /** Packet socket using dpdk mmaped rings for both Rx and Tx */ typedef struct { odp_pktio_capability_t capa; /**< interface capabilities */ @@ -67,13 +62,13 @@ typedef struct { struct pktio_entry { const pktio_ops_module_t *ops; /**< Implementation specific methods */ + pktio_ops_data_t ops_data; /* These two locks together lock the whole pktio device */ odp_ticketlock_t rxl; /**< RX ticketlock */ odp_ticketlock_t txl; /**< TX ticketlock */ int cls_enabled; /**< is classifier enabled */ odp_pktio_t handle; /**< pktio handle */ union { - pkt_loop_t pkt_loop; /**< Using loopback for IO */ pkt_dpdk_t pkt_dpdk; /**< using DPDK API for IO */ }; enum { diff --git a/platform/linux-generic/Makefile.am b/platform/linux-generic/Makefile.am index ff08a6ef4..1aaea84f7 100644 --- a/platform/linux-generic/Makefile.am +++ b/platform/linux-generic/Makefile.am @@ -191,6 +191,7 @@ noinst_HEADERS = \ ${srcdir}/include/odp_packet_dpdk.h \ ${srcdir}/include/odp_packet_socket.h \ ${srcdir}/include/odp_packet_tap.h \ + ${srcdir}/include/odp_pktio_ops_loopback.h \ ${srcdir}/include/odp_pktio_ops_subsystem.h \ ${srcdir}/include/odp_pkt_queue_internal.h \ ${srcdir}/include/odp_pool_internal.h \ @@ -266,7 +267,7 @@ __LIB__libodp_linux_la_SOURCES = \ pktio/subsystem.c \ pktio/ipc.c \ pktio/pktio_common.c \ - pktio/loop.c \ + pktio/loopback.c \ pktio/netmap.c \ pktio/dpdk.c \ pktio/socket.c \ diff --git a/platform/linux-generic/include/odp_packet_io_internal.h b/platform/linux-generic/include/odp_packet_io_internal.h index 589148400..893fa1144 100644 --- a/platform/linux-generic/include/odp_packet_io_internal.h +++ b/platform/linux-generic/include/odp_packet_io_internal.h @@ -51,11 +51,6 @@ typedef union pktio_entry_u pktio_entry_t; * requested number of packets were not handled. */ #define SOCK_ERR_REPORT(e) (e != EAGAIN && e != EWOULDBLOCK && e != EINTR) -typedef struct { - odp_queue_t loopq; /**< loopback queue for "loop" device */ - odp_bool_t promisc; /**< promiscuous mode state */ -} pkt_loop_t; - #ifdef HAVE_PCAP typedef struct { char *fname_rx; /**< name of pcap file for rx */ @@ -111,13 +106,13 @@ typedef struct { struct pktio_entry { const pktio_ops_module_t *ops; /**< Implementation specific methods */ + pktio_ops_data_t ops_data; /**< IO operation specific data */ /* These two locks together lock the whole pktio device */ odp_ticketlock_t rxl; /**< RX ticketlock */ odp_ticketlock_t txl; /**< TX ticketlock */ int cls_enabled; /**< is classifier enabled */ odp_pktio_t handle; /**< pktio handle */ union { - pkt_loop_t pkt_loop; /**< Using loopback for IO */ pkt_sock_t pkt_sock; /**< using socket API for IO */ pkt_sock_mmap_t pkt_sock_mmap; /**< using socket mmap * API for IO */ diff --git a/platform/linux-generic/include/odp_pktio_ops_loopback.h b/platform/linux-generic/include/odp_pktio_ops_loopback.h new file mode 100644 index 000000000..932459472 --- /dev/null +++ b/platform/linux-generic/include/odp_pktio_ops_loopback.h @@ -0,0 +1,17 @@ +/* Copyright (c) 2017, ARM Limited. All rights reserved. + * + * Copyright (c) 2017, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef ODP_PKTIO_OPS_LOOPBACK_H_ +#define ODP_PKTIO_OPS_LOOPBACK_H_ + +typedef struct { + odp_queue_t loopq; /**< loopback queue for "loop" device */ + odp_bool_t promisc; /**< promiscuous mode state */ +} pktio_ops_loopback_data_t; + +#endif diff --git a/platform/linux-generic/include/odp_pktio_ops_subsystem.h b/platform/linux-generic/include/odp_pktio_ops_subsystem.h index ff497a2ac..7b90ed3d3 100644 --- a/platform/linux-generic/include/odp_pktio_ops_subsystem.h +++ b/platform/linux-generic/include/odp_pktio_ops_subsystem.h @@ -78,4 +78,17 @@ typedef ODP_MODULE_CLASS(pktio_ops) { odp_api_proto(pktio_ops, print) print; } pktio_ops_module_t; +/* All implementations of this subsystem */ +#include <odp_pktio_ops_loopback.h> + +/* Per implementation private data + * TODO: refactory each implementation to hide it internally + */ +typedef union { + pktio_ops_loopback_data_t loopback; +} pktio_ops_data_t; + +/* Extract pktio ops data from pktio entry structure */ +#define ops_data(mod) s.ops_data.mod + #endif diff --git a/platform/linux-generic/pktio/loop.c b/platform/linux-generic/pktio/loopback.c similarity index 94% rename from platform/linux-generic/pktio/loop.c rename to platform/linux-generic/pktio/loopback.c index 39718a892..0c572338f 100644 --- a/platform/linux-generic/pktio/loop.c +++ b/platform/linux-generic/pktio/loopback.c @@ -35,10 +35,10 @@ static int loopback_open(odp_pktio_t id, pktio_entry_t *pktio_entry, snprintf(loopq_name, sizeof(loopq_name), "%" PRIu64 "-pktio_loopq", odp_pktio_to_u64(id)); - pktio_entry->s.pkt_loop.loopq = + pktio_entry->ops_data(loopback).loopq = odp_queue_create(loopq_name, NULL); - if (pktio_entry->s.pkt_loop.loopq == ODP_QUEUE_INVALID) + if (pktio_entry->ops_data(loopback).loopq == ODP_QUEUE_INVALID) return -1; loopback_stats_reset(pktio_entry); @@ -48,7 +48,7 @@ static int loopback_open(odp_pktio_t id, pktio_entry_t *pktio_entry, static int loopback_close(pktio_entry_t *pktio_entry) { - return odp_queue_destroy(pktio_entry->s.pkt_loop.loopq); + return odp_queue_destroy(pktio_entry->ops_data(loopback).loopq); } static int loopback_recv(pktio_entry_t *pktio_entry, int index ODP_UNUSED, @@ -70,7 +70,7 @@ static int loopback_recv(pktio_entry_t *pktio_entry, int index ODP_UNUSED, odp_ticketlock_lock(&pktio_entry->s.rxl); - queue = queue_fn->from_ext(pktio_entry->s.pkt_loop.loopq); + queue = queue_fn->from_ext(pktio_entry->ops_data(loopback).loopq); nbr = queue_fn->deq_multi(queue, hdr_tbl, len); if (pktio_entry->s.config.pktin.bit.ts_all || @@ -170,7 +170,7 @@ static int loopback_send(pktio_entry_t *pktio_entry, int index ODP_UNUSED, odp_ticketlock_lock(&pktio_entry->s.txl); - queue = queue_fn->from_ext(pktio_entry->s.pkt_loop.loopq); + queue = queue_fn->from_ext(pktio_entry->ops_data(loopback).loopq); ret = queue_fn->enq_multi(queue, hdr_tbl, len); if (ret > 0) { @@ -223,13 +223,13 @@ static int loopback_capability(pktio_entry_t *pktio_entry ODP_UNUSED, static int loopback_promisc_mode_set(pktio_entry_t *pktio_entry, odp_bool_t enable) { - pktio_entry->s.pkt_loop.promisc = enable; + pktio_entry->ops_data(loopback).promisc = enable; return 0; } static int loopback_promisc_mode_get(pktio_entry_t *pktio_entry) { - return pktio_entry->s.pkt_loop.promisc ? 1 : 0; + return pktio_entry->ops_data(loopback).promisc ? 1 : 0; } static int loopback_stats(pktio_entry_t *pktio_entry,
