On 14 November 2014 04:30, Maxim Uvarov <[email protected]> wrote: > Implement pktio mtu functions: > odp_pktio_mtu() to get mtu value; > odp_pktio_set_mtu() to set mtu value. > > Signed-off-by: Maxim Uvarov <[email protected]>
Reviewed-by Mike Holmes <[email protected]> > --- > platform/linux-generic/include/api/odp_packet_io.h | 23 ++++++++ > .../linux-generic/include/odp_packet_io_internal.h | 4 ++ > platform/linux-generic/odp_packet_io.c | 66 > ++++++++++++++++++++++ > 3 files changed, 93 insertions(+) > > diff --git a/platform/linux-generic/include/api/odp_packet_io.h > b/platform/linux-generic/include/api/odp_packet_io.h > index 360636d..e5cf320 100644 > --- a/platform/linux-generic/include/api/odp_packet_io.h > +++ b/platform/linux-generic/include/api/odp_packet_io.h > @@ -136,6 +136,29 @@ void odp_pktio_set_input(odp_packet_t pkt, odp_pktio_t > id); > odp_pktio_t odp_pktio_get_input(odp_packet_t pkt); > > /** > + * Configure the MTU for a packet IO interface. > + * > + * @param[in] id ODP packet IO handle. > + * @param[in] mtu The value of MTU that the interface will be configured to > + * use. > + * > + * @retval 0 on success. > + * @retval -1 if specified mtu can not be handled. > + * @retval -1 on any other error or illegal input parameters. > + */ > +int odp_pktio_set_mtu(odp_pktio_t id, int mtu); > + > +/** > + * Return the currently configured MTU value of a packet IO interface. > + * > + * @param[in] id ODP packet IO handle. > + * > + * @retval MTU value >0 on success. > + * @retval -1 on any error or not existance pktio id. > + */ > +int odp_pktio_mtu(odp_pktio_t id); > + > +/** > * @} > */ > > diff --git a/platform/linux-generic/include/odp_packet_io_internal.h > b/platform/linux-generic/include/odp_packet_io_internal.h > index 23633ed..0bc1e21 100644 > --- a/platform/linux-generic/include/odp_packet_io_internal.h > +++ b/platform/linux-generic/include/odp_packet_io_internal.h > @@ -21,6 +21,8 @@ extern "C" { > #include <odp_spinlock.h> > #include <odp_packet_socket.h> > > +#include <linux/if.h> > + > /** > * Packet IO types > */ > @@ -38,6 +40,8 @@ struct pktio_entry { > odp_pktio_type_t type; /**< pktio type */ > pkt_sock_t pkt_sock; /**< using socket API for IO */ > pkt_sock_mmap_t pkt_sock_mmap; /**< using socket mmap API for IO */ > + char name[IFNAMSIZ]; /**< name of pktio provided to > + pktio_open() */ > }; > > typedef union { > diff --git a/platform/linux-generic/odp_packet_io.c > b/platform/linux-generic/odp_packet_io.c > index f35193f..f0e361a 100644 > --- a/platform/linux-generic/odp_packet_io.c > +++ b/platform/linux-generic/odp_packet_io.c > @@ -20,6 +20,7 @@ > #include <odp_debug.h> > > #include <string.h> > +#include <sys/ioctl.h> > > typedef struct { > pktio_entry_t entries[ODP_CONFIG_PKTIO_ENTRIES]; > @@ -203,6 +204,7 @@ odp_pktio_t odp_pktio_open(const char *dev, > odp_buffer_pool_t pool) > return ODP_PKTIO_INVALID; > > done: > + strncpy(pktio_entry->s.name, dev, IFNAMSIZ); > unlock_entry(pktio_entry); > return id; > } > @@ -476,3 +478,67 @@ int pktin_deq_multi(queue_entry_t *qentry, > odp_buffer_hdr_t *buf_hdr[], int num) > > return nbr; > } > + > +int odp_pktio_set_mtu(odp_pktio_t id, int mtu) > +{ > + pktio_entry_t *entry; > + int sockfd; > + struct ifreq ifr; > + int ret; > + > + if (mtu <= 0) { > + ODP_DBG("illegal MTU value %d\n", mtu); > + return -1; > + } > + > + entry = get_entry(id); > + if (entry == NULL) { > + ODP_DBG("pktio entry %d does not exist\n", id); > + return -1; > + } > + > + if (entry->s.pkt_sock_mmap.sockfd) > + sockfd = entry->s.pkt_sock_mmap.sockfd; > + else > + sockfd = entry->s.pkt_sock.sockfd; > + > + strncpy(ifr.ifr_name, entry->s.name, IFNAMSIZ); > + ifr.ifr_mtu = mtu; > + > + ret = ioctl(sockfd, SIOCSIFMTU, (caddr_t)&ifr); > + if (ret) { > + ODP_DBG("ioctl SIOCSIFMTU error\n"); > + return -1; > + } > + > + return 0; > +} > + > +int odp_pktio_mtu(odp_pktio_t id) > +{ > + pktio_entry_t *entry; > + int sockfd; > + struct ifreq ifr; > + int ret; > + > + entry = get_entry(id); > + if (entry == NULL) { > + ODP_DBG("pktio entry %d does not exist\n", id); > + return -1; > + } > + > + if (entry->s.pkt_sock_mmap.sockfd) > + sockfd = entry->s.pkt_sock_mmap.sockfd; > + else > + sockfd = entry->s.pkt_sock.sockfd; > + > + strncpy(ifr.ifr_name, entry->s.name, IFNAMSIZ); > + > + ret = ioctl(sockfd, SIOCGIFMTU, &ifr); > + if (ret) { > + ODP_DBG("ioctl SIOCGIFMTU error\n"); > + return -1; > + } > + > + return ifr.ifr_mtu; > +} > -- > 1.8.5.1.163.gd7aced9 > > > _______________________________________________ > lng-odp mailing list > [email protected] > http://lists.linaro.org/mailman/listinfo/lng-odp -- Mike Holmes Linaro Sr Technical Manager LNG - ODP _______________________________________________ lng-odp mailing list [email protected] http://lists.linaro.org/mailman/listinfo/lng-odp
