# HG changeset patch # User Edouard Tisserant # Date 1538416494 -7200 # Node ID b5e3de0467a5da0bd167abf56febf14235a345c1 # Parent 4f7421c058bb426ec5af128b9820ef9a3da6f7f3 Xenomai won't merge .nrt ops delegation to rtdm task through rtpc. Moved it to rtdmnet.c. diff -r 4f7421c058bb -r b5e3de0467a5 devices/rtdmnet.c --- a/devices/rtdmnet.c Mon Oct 01 18:55:06 2018 +0200 +++ b/devices/rtdmnet.c Mon Oct 01 19:54:54 2018 +0200 @@ -43,9 +43,10 @@ #include #include -// for rtnetif_carrier_ok +// for rtnetif_carrier_ok and rtpc_dispatch_call // This needs -I@XENOMAI_DIR@/kernel/drivers/net/stack/include in Kbuild.in #include +#include #include "../globals.h" #include "ecdev.h" @@ -302,6 +303,32 @@ /*****************************************************************************/ +// delegate to some rtdm thread when called from nrt context +struct sendmsg_params { + int socket; + struct user_msghdr *msg; +}; + +static int sendmsg_handler(struct rt_proc_call *call) +{ + struct sendmsg_params *params; + + params = rtpc_get_priv(call, struct sendmsg_params); + + return rtdm_sendmsg(params->socket, params->msg, 0); +} + +static ssize_t +nrt_rtdm_sendmsg(int socket, struct user_msghdr *msg) +{ + int ret; + struct sendmsg_params params = {socket, msg}; + + ret = rtpc_dispatch_call(sendmsg_handler, 0, ¶ms, + sizeof(params), NULL, NULL); + return ret; +} + int ec_gen_device_start_xmit( ec_gen_device_t *dev, struct sk_buff *skb @@ -323,7 +350,10 @@ msg.msg_iov = &iov; msg.msg_iovlen = 1; - ret = rtdm_sendmsg(dev->socket, &msg, 0); + if (ipipe_root_p) + ret = nrt_rtdm_sendmsg(dev->socket, &msg); + else + ret = rtdm_sendmsg(dev->socket, &msg, 0); return ret == len ? NETDEV_TX_OK : NETDEV_TX_BUSY; } @@ -332,6 +362,33 @@ /** Polls the device. */ + +// delegate to some rtdm thread when called from nrt context +struct recvmsg_params { + int socket; + struct user_msghdr *msg; +}; + +static int recvmsg_handler(struct rt_proc_call *call) +{ + struct recvmsg_params *params; + + params = rtpc_get_priv(call, struct recvmsg_params); + + return rtdm_recvmsg(params->socket, params->msg, MSG_DONTWAIT); +} + +static ssize_t +nrt_rtdm_recvmsg(int socket, struct user_msghdr *msg) +{ + int ret; + struct recvmsg_params params = {socket,msg}; + + ret = rtpc_dispatch_call(recvmsg_handler, 0, ¶ms, + sizeof(params), NULL, NULL); + return ret; +} + void ec_gen_device_poll( ec_gen_device_t *dev ) @@ -349,7 +406,11 @@ msg.msg_iov = &iov; msg.msg_iovlen = 1; - ret = rtdm_recvmsg(dev->socket, &msg, MSG_DONTWAIT); + if (ipipe_root_p) + ret = nrt_rtdm_recvmsg(dev->socket, &msg); + else + ret = rtdm_recvmsg(dev->socket, &msg, MSG_DONTWAIT); + if (ret > 0) { ecdev_receive(dev->ecdev, dev->rx_buf, ret); } else if (ret < 0) {