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[54.225.227.206]) by mx.google.com with ESMTP id 125si9299384qkl.164.2017.09.13.03.16.59; Wed, 13 Sep 2017 03:16:59 -0700 (PDT) Received-SPF: pass (google.com: domain of lng-odp-bounces@lists.linaro.org designates 54.225.227.206 as permitted sender) client-ip=54.225.227.206; Authentication-Results: mx.google.com; spf=pass (google.com: domain of lng-odp-bounces@lists.linaro.org designates 54.225.227.206 as permitted sender) smtp.mailfrom=lng-odp-bounces@lists.linaro.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=yandex.ru Received: by lists.linaro.org (Postfix, from userid 109) id DEA3F62CFA; Wed, 13 Sep 2017 10:16:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on ip-10-142-244-252 X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by lists.linaro.org (Postfix) with ESMTP id A5AE662D1B; Wed, 13 Sep 2017 10:03:17 +0000 (UTC) X-Original-To: lng-odp@lists.linaro.org Delivered-To: lng-odp@lists.linaro.org Received: by lists.linaro.org (Postfix, from userid 109) id 4F09F62D20; Wed, 13 Sep 2017 10:02:59 +0000 (UTC) Received: from forward102j.mail.yandex.net (forward102j.mail.yandex.net [5.45.198.243]) by lists.linaro.org (Postfix) with ESMTPS id 27FD261CBB for ; Wed, 13 Sep 2017 10:00:40 +0000 (UTC) Received: from mxback16j.mail.yandex.net (mxback16j.mail.yandex.net [IPv6:2a02:6b8:0:1619::92]) by forward102j.mail.yandex.net (Yandex) with ESMTP id E973A560327A for ; Wed, 13 Sep 2017 13:00:38 +0300 (MSK) Received: from smtp4p.mail.yandex.net (smtp4p.mail.yandex.net [2a02:6b8:0:1402::15:6]) by mxback16j.mail.yandex.net (nwsmtp/Yandex) with ESMTP id HcoveHP8av-0cIaNagf; Wed, 13 Sep 2017 13:00:38 +0300 Received: by smtp4p.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id rI47ysBqG0-0buW2rWS; Wed, 13 Sep 2017 13:00:37 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (Client certificate not present) From: Github ODP bot To: lng-odp@lists.linaro.org Date: Wed, 13 Sep 2017 13:00:23 +0300 Message-Id: <1505296826-16698-9-git-send-email-odpbot@yandex.ru> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1505296826-16698-1-git-send-email-odpbot@yandex.ru> References: <1505296826-16698-1-git-send-email-odpbot@yandex.ru> Github-pr-num: 139 Subject: [lng-odp] [PATCH CLOUD-DEV v2 8/11] linux-gen: pktio: socket: minor code refactory X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: "The OpenDataPlane \(ODP\) List" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: lng-odp-bounces@lists.linaro.org Sender: "lng-odp" From: Yi He Rename implementation specific data structure and its dedicated header file to accommodate uniformed name scheme. Signed-off-by: Yi He Signed-off-by: Balakrishna Garapati Reviewed-by: Brian Brooks Reviewed-by: Honnappa Nagarahalli Reviewed-by: Bill Fischofer --- /** 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: ca3c52d51e6e80ba4bde91670d8b48a8a7ae1500 **/ platform/linux-dpdk/Makefile.am | 2 +- platform/linux-generic/Makefile.am | 2 +- .../linux-generic/include/odp_packet_io_internal.h | 4 -- ...{odp_packet_socket.h => odp_pktio_ops_socket.h} | 8 ++-- .../include/odp_pktio_ops_subsystem.h | 3 ++ platform/linux-generic/odp_packet_io.c | 1 - platform/linux-generic/pktio/ethtool.c | 2 +- platform/linux-generic/pktio/netmap.c | 1 - platform/linux-generic/pktio/socket.c | 30 ++++++++------- platform/linux-generic/pktio/socket_mmap.c | 45 ++++++++++++---------- platform/linux-generic/pktio/tap.c | 1 - 11 files changed, 51 insertions(+), 48 deletions(-) rename platform/linux-generic/include/{odp_packet_socket.h => odp_pktio_ops_socket.h} (96%) diff --git a/platform/linux-dpdk/Makefile.am b/platform/linux-dpdk/Makefile.am index 9ebf2ea14..9d32defd5 100644 --- a/platform/linux-dpdk/Makefile.am +++ b/platform/linux-dpdk/Makefile.am @@ -191,12 +191,12 @@ noinst_HEADERS = \ ${srcdir}/include/odp_packet_internal.h \ ${top_srcdir}/platform/linux-generic/include/odp_pktio_ops_ipc.h \ ${top_srcdir}/platform/linux-generic/include/odp_pktio_ops_subsystem.h \ + ${top_srcdir}/platform/linux-generic/include/odp_pktio_ops_socket.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 \ ${top_srcdir}/platform/linux-generic/include/odp_packet_io_ring_internal.h \ - ${top_srcdir}/platform/linux-generic/include/odp_packet_socket.h \ ${top_srcdir}/platform/linux-generic/include/odp_pkt_queue_internal.h \ ${srcdir}/include/odp_pool_internal.h \ ${top_srcdir}/platform/linux-generic/include/odp_pool_subsystem.h \ diff --git a/platform/linux-generic/Makefile.am b/platform/linux-generic/Makefile.am index 78283c019..b3ee86c67 100644 --- a/platform/linux-generic/Makefile.am +++ b/platform/linux-generic/Makefile.am @@ -187,12 +187,12 @@ noinst_HEADERS = \ ${srcdir}/include/odp_packet_io_internal.h \ ${srcdir}/include/odp_packet_io_ring_internal.h \ ${srcdir}/include/odp_packet_dpdk.h \ - ${srcdir}/include/odp_packet_socket.h \ ${srcdir}/include/odp_packet_tap.h \ ${srcdir}/include/odp_pktio_ops_ipc.h \ ${srcdir}/include/odp_pktio_ops_loopback.h \ ${srcdir}/include/odp_pktio_ops_netmap.h \ ${srcdir}/include/odp_pktio_ops_pcap.h \ + ${srcdir}/include/odp_pktio_ops_socket.h \ ${srcdir}/include/odp_pktio_ops_subsystem.h \ ${srcdir}/include/odp_pkt_queue_internal.h \ ${srcdir}/include/odp_pool_internal.h \ diff --git a/platform/linux-generic/include/odp_packet_io_internal.h b/platform/linux-generic/include/odp_packet_io_internal.h index a3890091f..f58ef8721 100644 --- a/platform/linux-generic/include/odp_packet_io_internal.h +++ b/platform/linux-generic/include/odp_packet_io_internal.h @@ -31,7 +31,6 @@ extern "C" { #include #define PKTIO_MAX_QUEUES 64 -#include #include #include @@ -59,9 +58,6 @@ struct pktio_entry { int cls_enabled; /**< is classifier enabled */ odp_pktio_t handle; /**< pktio handle */ union { - pkt_sock_t pkt_sock; /**< using socket API for IO */ - pkt_sock_mmap_t pkt_sock_mmap; /**< using socket mmap - * API for IO */ pkt_dpdk_t pkt_dpdk; /**< using DPDK for IO */ pkt_tap_t pkt_tap; /**< using TAP for IO */ }; diff --git a/platform/linux-generic/include/odp_packet_socket.h b/platform/linux-generic/include/odp_pktio_ops_socket.h similarity index 96% rename from platform/linux-generic/include/odp_packet_socket.h rename to platform/linux-generic/include/odp_pktio_ops_socket.h index 0e61f6f0c..32c49c08e 100644 --- a/platform/linux-generic/include/odp_packet_socket.h +++ b/platform/linux-generic/include/odp_pktio_ops_socket.h @@ -5,8 +5,8 @@ * SPDX-License-Identifier: BSD-3-Clause */ -#ifndef ODP_PACKET_SOCKET_H -#define ODP_PACKET_SOCKET_H +#ifndef ODP_PKTIO_OPS_SOCKET_H_ +#define ODP_PKTIO_OPS_SOCKET_H_ #include #include @@ -42,7 +42,7 @@ typedef struct { odp_pool_t pool; /**< pool to alloc packets from */ uint32_t mtu; /**< maximum transmission unit */ unsigned char if_mac[ETH_ALEN]; /**< IF eth mac addr */ -} pkt_sock_t; +} pktio_ops_socket_data_t; /** packet mmap ring */ struct ring { @@ -79,7 +79,7 @@ typedef struct { unsigned char if_mac[ETH_ALEN]; struct sockaddr_ll ll; int fanout; -} pkt_sock_mmap_t; +} pktio_ops_socket_mmap_data_t; static inline void ethaddr_copy(unsigned char mac_dst[], unsigned char mac_src[]) diff --git a/platform/linux-generic/include/odp_pktio_ops_subsystem.h b/platform/linux-generic/include/odp_pktio_ops_subsystem.h index fc461be79..952d9be55 100644 --- a/platform/linux-generic/include/odp_pktio_ops_subsystem.h +++ b/platform/linux-generic/include/odp_pktio_ops_subsystem.h @@ -83,6 +83,7 @@ typedef ODP_MODULE_CLASS(pktio_ops) { #include #include #include +#include /* Per implementation private data * TODO: refactory each implementation to hide it internally @@ -92,6 +93,8 @@ typedef union { pktio_ops_loopback_data_t loopback; pktio_ops_netmap_data_t netmap; pktio_ops_pcap_data_t pcap; + pktio_ops_socket_data_t socket; + pktio_ops_socket_mmap_data_t mmap; } pktio_ops_data_t; /* Extract pktio ops data from pktio entry structure */ diff --git a/platform/linux-generic/odp_packet_io.c b/platform/linux-generic/odp_packet_io.c index 6a19394a5..e023df130 100644 --- a/platform/linux-generic/odp_packet_io.c +++ b/platform/linux-generic/odp_packet_io.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include diff --git a/platform/linux-generic/pktio/ethtool.c b/platform/linux-generic/pktio/ethtool.c index d8f9e12cb..ed2875c5b 100644 --- a/platform/linux-generic/pktio/ethtool.c +++ b/platform/linux-generic/pktio/ethtool.c @@ -13,8 +13,8 @@ #include #include -#include #include +#include static struct ethtool_gstrings *get_stringset(int fd, struct ifreq *ifr) { diff --git a/platform/linux-generic/pktio/netmap.c b/platform/linux-generic/pktio/netmap.c index accac61c6..07d6d9e9b 100644 --- a/platform/linux-generic/pktio/netmap.c +++ b/platform/linux-generic/pktio/netmap.c @@ -12,7 +12,6 @@ #include #include -#include #include #include diff --git a/platform/linux-generic/pktio/socket.c b/platform/linux-generic/pktio/socket.c index 8b8ccf033..c7c3c5a8c 100644 --- a/platform/linux-generic/pktio/socket.c +++ b/platform/linux-generic/pktio/socket.c @@ -33,7 +33,6 @@ #include #include -#include #include #include #include @@ -455,7 +454,9 @@ void rss_conf_print(const odp_pktin_hash_proto_t *hash_proto) */ static int sock_close(pktio_entry_t *pktio_entry) { - pkt_sock_t *pkt_sock = &pktio_entry->s.pkt_sock; + pktio_ops_socket_data_t *pkt_sock = + &pktio_entry->ops_data(socket); + if (pkt_sock->sockfd != -1 && close(pkt_sock->sockfd) != 0) { __odp_errno = errno; ODP_ERR("close(sockfd): %s\n", strerror(errno)); @@ -477,7 +478,8 @@ static int sock_setup_pkt(pktio_entry_t *pktio_entry, const char *netdev, struct ifreq ethreq; struct sockaddr_ll sa_ll; char shm_name[ODP_SHM_NAME_LEN]; - pkt_sock_t *pkt_sock = &pktio_entry->s.pkt_sock; + pktio_ops_socket_data_t *pkt_sock = + &pktio_entry->ops_data(socket); odp_pktio_stats_t cur_stats; /* Init pktio entry */ @@ -530,7 +532,7 @@ static int sock_setup_pkt(pktio_entry_t *pktio_entry, const char *netdev, goto error; } - err = ethtool_stats_get_fd(pktio_entry->s.pkt_sock.sockfd, + err = ethtool_stats_get_fd(pkt_sock->sockfd, pktio_entry->s.name, &cur_stats); if (err != 0) { @@ -601,7 +603,8 @@ static uint32_t _rx_pkt_to_iovec(odp_packet_t pkt, static int sock_mmsg_recv(pktio_entry_t *pktio_entry, int index ODP_UNUSED, odp_packet_t pkt_table[], int len) { - pkt_sock_t *pkt_sock = &pktio_entry->s.pkt_sock; + pktio_ops_socket_data_t *pkt_sock = + &pktio_entry->ops_data(socket); odp_pool_t pool = pkt_sock->pool; odp_time_t ts_val; odp_time_t *ts = NULL; @@ -716,7 +719,8 @@ static uint32_t _tx_pkt_to_iovec(odp_packet_t pkt, static int sock_mmsg_send(pktio_entry_t *pktio_entry, int index ODP_UNUSED, const odp_packet_t pkt_table[], int len) { - pkt_sock_t *pkt_sock = &pktio_entry->s.pkt_sock; + pktio_ops_socket_data_t *pkt_sock = + &pktio_entry->ops_data(socket); struct mmsghdr msgvec[len]; struct iovec iovecs[len][MAX_SEGS]; int ret; @@ -762,7 +766,7 @@ static int sock_mmsg_send(pktio_entry_t *pktio_entry, int index ODP_UNUSED, */ static uint32_t sock_mtu_get(pktio_entry_t *pktio_entry) { - return pktio_entry->s.pkt_sock.mtu; + return pktio_entry->ops_data(socket).mtu; } /* @@ -771,7 +775,7 @@ static uint32_t sock_mtu_get(pktio_entry_t *pktio_entry) static int sock_mac_addr_get(pktio_entry_t *pktio_entry, void *mac_addr) { - memcpy(mac_addr, pktio_entry->s.pkt_sock.if_mac, ETH_ALEN); + memcpy(mac_addr, pktio_entry->ops_data(socket).if_mac, ETH_ALEN); return ETH_ALEN; } @@ -781,7 +785,7 @@ static int sock_mac_addr_get(pktio_entry_t *pktio_entry, static int sock_promisc_mode_set(pktio_entry_t *pktio_entry, odp_bool_t enable) { - return promisc_mode_set_fd(pktio_entry->s.pkt_sock.sockfd, + return promisc_mode_set_fd(pktio_entry->ops_data(socket).sockfd, pktio_entry->s.name, enable); } @@ -790,13 +794,13 @@ static int sock_promisc_mode_set(pktio_entry_t *pktio_entry, */ static int sock_promisc_mode_get(pktio_entry_t *pktio_entry) { - return promisc_mode_get_fd(pktio_entry->s.pkt_sock.sockfd, + return promisc_mode_get_fd(pktio_entry->ops_data(socket).sockfd, pktio_entry->s.name); } static int sock_link_status(pktio_entry_t *pktio_entry) { - return link_status_fd(pktio_entry->s.pkt_sock.sockfd, + return link_status_fd(pktio_entry->ops_data(socket).sockfd, pktio_entry->s.name); } @@ -825,7 +829,7 @@ static int sock_stats(pktio_entry_t *pktio_entry, return sock_stats_fd(pktio_entry, stats, - pktio_entry->s.pkt_sock.sockfd); + pktio_entry->ops_data(socket).sockfd); } static int sock_stats_reset(pktio_entry_t *pktio_entry) @@ -837,7 +841,7 @@ static int sock_stats_reset(pktio_entry_t *pktio_entry) } return sock_stats_reset_fd(pktio_entry, - pktio_entry->s.pkt_sock.sockfd); + pktio_entry->ops_data(socket).sockfd); } static int sock_init_global(void) diff --git a/platform/linux-generic/pktio/socket_mmap.c b/platform/linux-generic/pktio/socket_mmap.c index 0a27316f2..9054a835c 100644 --- a/platform/linux-generic/pktio/socket_mmap.c +++ b/platform/linux-generic/pktio/socket_mmap.c @@ -23,7 +23,6 @@ #include #include -#include #include #include #include @@ -37,8 +36,8 @@ static int disable_pktio; /** !0 this pktio disabled, 0 enabled */ -static int set_pkt_sock_fanout_mmap(pkt_sock_mmap_t *const pkt_sock, - int sock_group_idx) +static int set_pkt_sock_fanout_mmap( + pktio_ops_socket_mmap_data_t *const pkt_sock, int sock_group_idx) { int sockfd = pkt_sock->sockfd; int val; @@ -144,7 +143,7 @@ static uint8_t *pkt_mmap_vlan_insert(uint8_t *l2_hdr_ptr, } static inline unsigned pkt_mmap_v2_rx(pktio_entry_t *pktio_entry, - pkt_sock_mmap_t *pkt_sock, + pktio_ops_socket_mmap_data_t *pkt_sock, odp_packet_t pkt_table[], unsigned len, unsigned char if_mac[]) { @@ -411,7 +410,7 @@ static int mmap_setup_ring(int sock, struct ring *ring, int type, return 0; } -static int mmap_sock(pkt_sock_mmap_t *pkt_sock) +static int mmap_sock(pktio_ops_socket_mmap_data_t *pkt_sock) { int i; int sock = pkt_sock->sockfd; @@ -455,14 +454,15 @@ static int mmap_sock(pkt_sock_mmap_t *pkt_sock) return 0; } -static int mmap_unmap_sock(pkt_sock_mmap_t *pkt_sock) +static int mmap_unmap_sock(pktio_ops_socket_mmap_data_t *pkt_sock) { free(pkt_sock->rx_ring.rd); free(pkt_sock->tx_ring.rd); return munmap(pkt_sock->mmap_base, pkt_sock->mmap_len); } -static int mmap_bind_sock(pkt_sock_mmap_t *pkt_sock, const char *netdev) +static int mmap_bind_sock(pktio_ops_socket_mmap_data_t *pkt_sock, + const char *netdev) { int ret; @@ -486,7 +486,8 @@ static int mmap_bind_sock(pkt_sock_mmap_t *pkt_sock, const char *netdev) static int sock_mmap_close(pktio_entry_t *entry) { - pkt_sock_mmap_t *const pkt_sock = &entry->s.pkt_sock_mmap; + pktio_ops_socket_mmap_data_t + *const pkt_sock = &entry->ops_data(mmap); int ret; ret = mmap_unmap_sock(pkt_sock); @@ -515,7 +516,8 @@ static int sock_mmap_open(odp_pktio_t id ODP_UNUSED, if (disable_pktio) return -1; - pkt_sock_mmap_t *const pkt_sock = &pktio_entry->s.pkt_sock_mmap; + pktio_ops_socket_mmap_data_t + *const pkt_sock = &pktio_entry->ops_data(mmap); int fanout = 1; /* Init pktio entry */ @@ -570,7 +572,7 @@ static int sock_mmap_open(odp_pktio_t id ODP_UNUSED, goto error; } - ret = ethtool_stats_get_fd(pktio_entry->s.pkt_sock_mmap.sockfd, + ret = ethtool_stats_get_fd(pkt_sock->sockfd, pktio_entry->s.name, &cur_stats); if (ret != 0) { @@ -586,8 +588,7 @@ static int sock_mmap_open(odp_pktio_t id ODP_UNUSED, pktio_entry->s.stats_type = STATS_ETHTOOL; } - ret = sock_stats_reset_fd(pktio_entry, - pktio_entry->s.pkt_sock_mmap.sockfd); + ret = sock_stats_reset_fd(pktio_entry, pkt_sock->sockfd); if (ret != 0) goto error; @@ -601,7 +602,8 @@ static int sock_mmap_open(odp_pktio_t id ODP_UNUSED, static int sock_mmap_recv(pktio_entry_t *pktio_entry, int index ODP_UNUSED, odp_packet_t pkt_table[], int len) { - pkt_sock_mmap_t *const pkt_sock = &pktio_entry->s.pkt_sock_mmap; + pktio_ops_socket_mmap_data_t + *const pkt_sock = &pktio_entry->ops_data(mmap); int ret; odp_ticketlock_lock(&pktio_entry->s.rxl); @@ -616,7 +618,8 @@ static int sock_mmap_send(pktio_entry_t *pktio_entry, int index ODP_UNUSED, const odp_packet_t pkt_table[], int len) { int ret; - pkt_sock_mmap_t *const pkt_sock = &pktio_entry->s.pkt_sock_mmap; + pktio_ops_socket_mmap_data_t + *const pkt_sock = &pktio_entry->ops_data(mmap); odp_ticketlock_lock(&pktio_entry->s.txl); ret = pkt_mmap_v2_tx(pkt_sock->tx_ring.sock, &pkt_sock->tx_ring, @@ -628,32 +631,32 @@ static int sock_mmap_send(pktio_entry_t *pktio_entry, int index ODP_UNUSED, static uint32_t sock_mmap_mtu_get(pktio_entry_t *pktio_entry) { - return mtu_get_fd(pktio_entry->s.pkt_sock_mmap.sockfd, + return mtu_get_fd(pktio_entry->ops_data(mmap).sockfd, pktio_entry->s.name); } static int sock_mmap_mac_addr_get(pktio_entry_t *pktio_entry, void *mac_addr) { - memcpy(mac_addr, pktio_entry->s.pkt_sock_mmap.if_mac, ETH_ALEN); + memcpy(mac_addr, pktio_entry->ops_data(mmap).if_mac, ETH_ALEN); return ETH_ALEN; } static int sock_mmap_promisc_mode_set(pktio_entry_t *pktio_entry, odp_bool_t enable) { - return promisc_mode_set_fd(pktio_entry->s.pkt_sock_mmap.sockfd, + return promisc_mode_set_fd(pktio_entry->ops_data(mmap).sockfd, pktio_entry->s.name, enable); } static int sock_mmap_promisc_mode_get(pktio_entry_t *pktio_entry) { - return promisc_mode_get_fd(pktio_entry->s.pkt_sock_mmap.sockfd, + return promisc_mode_get_fd(pktio_entry->ops_data(mmap).sockfd, pktio_entry->s.name); } static int sock_mmap_link_status(pktio_entry_t *pktio_entry) { - return link_status_fd(pktio_entry->s.pkt_sock_mmap.sockfd, + return link_status_fd(pktio_entry->ops_data(mmap).sockfd, pktio_entry->s.name); } @@ -682,7 +685,7 @@ static int sock_mmap_stats(pktio_entry_t *pktio_entry, return sock_stats_fd(pktio_entry, stats, - pktio_entry->s.pkt_sock_mmap.sockfd); + pktio_entry->ops_data(mmap).sockfd); } static int sock_mmap_stats_reset(pktio_entry_t *pktio_entry) @@ -694,7 +697,7 @@ static int sock_mmap_stats_reset(pktio_entry_t *pktio_entry) } return sock_stats_reset_fd(pktio_entry, - pktio_entry->s.pkt_sock_mmap.sockfd); + pktio_entry->ops_data(mmap).sockfd); } static int sock_mmap_init_global(void) diff --git a/platform/linux-generic/pktio/tap.c b/platform/linux-generic/pktio/tap.c index bfe412390..a5c15e11e 100644 --- a/platform/linux-generic/pktio/tap.c +++ b/platform/linux-generic/pktio/tap.c @@ -40,7 +40,6 @@ #include #include -#include #include #include #include