/* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland * License terms: GNU General Public License (GPL) version 2 */ #define pr_fmt(fmt) KBUILD_MODNAME ":%s(): " fmt, __func__ #include #include #include #include #include #define VEI_PAYLOAD 0x00 #define VEI_CMD_BIT 0x80 #define VEI_FLOW_OFF 0x81 #define VEI_FLOW_ON 0x80 #define VEI_SET_PIN 0x82 #define container_obj(layr) container_of(layr, struct cfsrvl, layer) static int cfvei_receive(struct cflayer *layr, struct cfpkt *pkt); static int cfvei_transmit(struct cflayer *layr, struct cfpkt *pkt); struct cflayer *cfvei_create(u8 channel_id, struct dev_info *dev_info) { struct cfsrvl *vei = kzalloc(sizeof(struct cfsrvl), GFP_ATOMIC); if (!vei) return NULL; caif_assert(offsetof(struct cfsrvl, layer) == 0); cfsrvl_init(vei, channel_id, dev_info, true); vei->layer.receive = cfvei_receive; vei->layer.transmit = cfvei_transmit; snprintf(vei->layer.name, CAIF_LAYER_NAME_SZ - 1, "vei%d", channel_id); return &vei->layer; } static int cfvei_receive(struct cflayer *layr, struct cfpkt *pkt) { u8 cmd; int ret; caif_assert(layr->up != NULL); caif_assert(layr->receive != NULL); caif_assert(layr->ctrlcmd != NULL); if (cfpkt_extr_head(pkt, &cmd, 1) < 0) { pr_err("Packet is erroneous!\n"); cfpkt_destroy(pkt); return -EPROTO; } switch (cmd) { case VEI_PAYLOAD: ret = layr->up->receive(layr->up, pkt); return ret; case VEI_FLOW_OFF: layr->ctrlcmd(layr, CAIF_CTRLCMD_FLOW_OFF_IND, 0); cfpkt_destroy(pkt); return 0; case VEI_FLOW_ON: layr->ctrlcmd(layr, CAIF_CTRLCMD_FLOW_ON_IND, 0); cfpkt_destroy(pkt); return 0; case VEI_SET_PIN: /* SET RS232 PIN */ cfpkt_destroy(pkt); return 0; default: /* SET RS232 PIN */ pr_warn("Unknown VEI control packet %d (0x%x)!\n", cmd, cmd); cfpkt_destroy(pkt); return -EPROTO; } } static int cfvei_transmit(struct cflayer *layr, struct cfpkt *pkt) { u8 tmp = 0; struct caif_payload_info *info; int ret; struct cfsrvl *service = container_obj(layr); if (!cfsrvl_ready(service, &ret)) goto err; caif_assert(layr->dn != NULL); caif_assert(layr->dn->transmit != NULL); if (cfpkt_add_head(pkt, &tmp, 1) < 0) { pr_err("Packet is erroneous!\n"); ret = -EPROTO; goto err; } /* Add info-> for MUX-layer to route the packet out. */ info = cfpkt_info(pkt); info->channel_id = service->layer.id; info->hdr_len = 1; info->dev_info = &service->dev_info; return layr->dn->transmit(layr->dn, pkt); err: cfpkt_destroy(pkt); return ret; } t' type='search' size='10' name='q' value=''/>
path: root/net/openvswitch/datapath.c
diff options
context:
space:
mode:
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2017-01-31 00:47:30 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-01-31 00:51:06 -0800
commit05e0be7c900797e9164976a6014d534ce3035909 (patch)
tree6064ddf732b21c686c958cb9da73f6eae6de5a27 /net/openvswitch/datapath.c
parent3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c (diff)
Input: synaptics-rmi4 - fix reversed conditions in enable/disable_irq_wake
These tests are reversed. A warning should be displayed if an error is returned, not on success. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'net/openvswitch/datapath.c')