| /* |
| Copyright (c) 2017-2018, The Linux Foundation. All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are |
| met: |
| * Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| * Redistributions in binary form must reproduce the above |
| copyright notice, this list of conditions and the following |
| disclaimer in the documentation and/or other materials provided |
| with the distribution. |
| * Neither the name of The Linux Foundation nor the names of its |
| contributors may be used to endorse or promote products derived |
| from this software without specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.Z |
| */ |
| /*! |
| @file |
| IPACM_OffloadManager.cpp |
| |
| @brief |
| This file implements the basis Iface functionality. |
| |
| @Author |
| Skylar Chang |
| |
| */ |
| #include <IPACM_OffloadManager.h> |
| #include <sys/ioctl.h> |
| #include <net/if.h> |
| #include <string.h> |
| #include "IPACM_ConntrackClient.h" |
| #include "IPACM_ConntrackListener.h" |
| #include "IPACM_Iface.h" |
| #include "IPACM_Config.h" |
| #include <unistd.h> |
| |
| const char *IPACM_OffloadManager::DEVICE_NAME = "/dev/wwan_ioctl"; |
| |
| /* NatApp class Implementation */ |
| IPACM_OffloadManager *IPACM_OffloadManager::pInstance = NULL; |
| |
| IPACM_OffloadManager::IPACM_OffloadManager() |
| { |
| default_gw_index = INVALID_IFACE; |
| upstream_v4_up = false; |
| upstream_v6_up = false; |
| memset(event_cache, 0, MAX_EVENT_CACHE*sizeof(framework_event_cache)); |
| latest_cache_index = 0; |
| elrInstance = NULL; |
| touInstance = NULL; |
| return ; |
| } |
| |
| RET IPACM_OffloadManager::registerEventListener(IpaEventListener* eventlistener) |
| { |
| RET result = SUCCESS; |
| if (elrInstance == NULL) { |
| IPACMDBG_H("get registerEventListener \n"); |
| elrInstance = eventlistener; |
| } else { |
| IPACMDBG_H("already have EventListener previously, override \n"); |
| elrInstance = eventlistener; |
| result = FAIL_INPUT_CHECK; |
| } |
| return SUCCESS; |
| } |
| |
| RET IPACM_OffloadManager::unregisterEventListener(IpaEventListener* ) |
| { |
| RET result = SUCCESS; |
| if (elrInstance) |
| elrInstance = NULL; |
| else { |
| IPACMDBG_H("already unregisterEventListener previously \n"); |
| result = SUCCESS_DUPLICATE_CONFIG; |
| } |
| return SUCCESS; |
| } |
| |
| RET IPACM_OffloadManager::registerCtTimeoutUpdater(ConntrackTimeoutUpdater* timeoutupdater) |
| { |
| RET result = SUCCESS; |
| if (touInstance == NULL) |
| { |
| IPACMDBG_H("get ConntrackTimeoutUpdater \n"); |
| touInstance = timeoutupdater; |
| } else { |
| IPACMDBG_H("already have ConntrackTimeoutUpdater previously, override \n"); |
| touInstance = timeoutupdater; |
| result = FAIL_INPUT_CHECK; |
| } |
| return SUCCESS; |
| } |
| |
| RET IPACM_OffloadManager::unregisterCtTimeoutUpdater(ConntrackTimeoutUpdater* ) |
| { |
| RET result = SUCCESS; |
| if (touInstance) |
| touInstance = NULL; |
| else { |
| IPACMDBG_H("already unregisterCtTimeoutUpdater previously \n"); |
| result = SUCCESS_DUPLICATE_CONFIG; |
| } |
| return SUCCESS; |
| } |
| |
| RET IPACM_OffloadManager::provideFd(int fd, unsigned int groups) |
| { |
| IPACM_ConntrackClient *cc; |
| int on = 1, rel; |
| struct sockaddr_nl local; |
| unsigned int addr_len; |
| |
| cc = IPACM_ConntrackClient::GetInstance(); |
| |
| if(!cc) |
| { |
| IPACMERR("Init failed: cc %p\n", cc); |
| return FAIL_HARDWARE; |
| } |
| |
| /* check socket name */ |
| memset(&local, 0, sizeof(struct sockaddr_nl)); |
| addr_len = sizeof(local); |
| getsockname(fd, (struct sockaddr *)&local, &addr_len); |
| IPACMDBG_H(" FD %d, nl_pad %d nl_pid %u\n", fd, local.nl_pad, local.nl_pid); |
| |
| /* add the check if getting FDs already or not */ |
| if(cc->fd_tcp > -1 && cc->fd_udp > -1) { |
| IPACMDBG_H("has valid FDs fd_tcp %d, fd_udp %d, ignore fd %d.\n", cc->fd_tcp, cc->fd_udp, fd); |
| return SUCCESS; |
| } |
| |
| if (groups == cc->subscrips_tcp) { |
| cc->fd_tcp = dup(fd); |
| IPACMDBG_H("Received fd %d with groups %d.\n", fd, groups); |
| /* set netlink buf */ |
| rel = setsockopt(cc->fd_tcp, SOL_NETLINK, NETLINK_NO_ENOBUFS, &on, sizeof(int) ); |
| if (rel == -1) |
| { |
| IPACMERR( "setsockopt returned error code %d ( %s )", errno, strerror( errno ) ); |
| } |
| } else if (groups == cc->subscrips_udp) { |
| cc->fd_udp = dup(fd); |
| IPACMDBG_H("Received fd %d with groups %d.\n", fd, groups); |
| /* set netlink buf */ |
| rel = setsockopt(cc->fd_tcp, SOL_NETLINK, NETLINK_NO_ENOBUFS, &on, sizeof(int) ); |
| if (rel == -1) |
| { |
| IPACMERR( "setsockopt returned error code %d ( %s )", errno, strerror( errno ) ); |
| } |
| } else { |
| IPACMERR("Received unexpected fd with groups %d.\n", groups); |
| } |
| if(cc->fd_tcp >0 && cc->fd_udp >0) { |
| IPACMDBG_H(" Got both fds from framework, start conntrack listener thread.\n"); |
| CtList->CreateConnTrackThreads(); |
| } |
| return SUCCESS; |
| } |
| |
| RET IPACM_OffloadManager::clearAllFds() |
| { |
| |
| /* IPACM needs to kee old FDs, can't clear */ |
| IPACMDBG_H("Still use old Fds, can't clear \n"); |
| return SUCCESS; |
| } |
| |
| bool IPACM_OffloadManager::isStaApSupported() |
| { |
| return true; |
| } |
| |
| |
| RET IPACM_OffloadManager::setLocalPrefixes(std::vector<Prefix> &/* prefixes */) |
| { |
| return SUCCESS; |
| } |
| |
| RET IPACM_OffloadManager::addDownstream(const char * downstream_name, const Prefix &prefix) |
| { |
| int index; |
| ipacm_cmd_q_data evt; |
| ipacm_event_ipahal_stream *evt_data; |
| bool cache_need = false; |
| |
| IPACMDBG_H("addDownstream name(%s), ip-family(%d) \n", downstream_name, prefix.fam); |
| |
| if (prefix.fam == V4) { |
| IPACMDBG_H("subnet info v4Addr (%x) v4Mask (%x)\n", prefix.v4Addr, prefix.v4Mask); |
| } else { |
| IPACMDBG_H("subnet info v6Addr: %08x:%08x:%08x:%08x \n", |
| prefix.v6Addr[0], prefix.v6Addr[1], prefix.v6Addr[2], prefix.v6Addr[3]); |
| IPACMDBG_H("subnet info v6Mask: %08x:%08x:%08x:%08x \n", |
| prefix.v6Mask[0], prefix.v6Mask[1], prefix.v6Mask[2], prefix.v6Mask[3]); |
| } |
| |
| /* check if netdev valid on device */ |
| if(ipa_get_if_index(downstream_name, &index)) |
| { |
| IPACMERR("fail to get iface index.\n"); |
| return FAIL_INPUT_CHECK; |
| } |
| |
| /* Iface is valid, add to list if not present */ |
| if (std::find(valid_ifaces.begin(), valid_ifaces.end(), std::string(downstream_name)) == valid_ifaces.end()) |
| { |
| /* Iface is new, add it to the list */ |
| valid_ifaces.push_back(downstream_name); |
| IPACMDBG_H("add iface(%s) to list\n", downstream_name); |
| } |
| |
| /* check if upstream netdev driver finished its configuration on IPA-HW for ipv4 and ipv6 */ |
| if (prefix.fam == V4 && IPACM_Iface::ipacmcfg->CheckNatIfaces(downstream_name, IPA_IP_v4)) |
| cache_need = true; |
| if (prefix.fam == V6 && IPACM_Iface::ipacmcfg->CheckNatIfaces(downstream_name, IPA_IP_v6)) |
| cache_need = true; |
| |
| if (cache_need) |
| { |
| IPACMDBG_H("addDownstream name(%s) currently not support in ipa \n", downstream_name); |
| |
| /* copy to the cache */ |
| for(int i = 0; i < MAX_EVENT_CACHE ;i++) |
| { |
| if(event_cache[latest_cache_index].valid == false) |
| { |
| //do the copy |
| event_cache[latest_cache_index].valid = true; |
| event_cache[latest_cache_index].event = IPA_DOWNSTREAM_ADD; |
| memcpy(event_cache[latest_cache_index].dev_name, downstream_name, sizeof(event_cache[latest_cache_index].dev_name)); |
| memcpy(&event_cache[latest_cache_index].prefix_cache, &prefix, sizeof(event_cache[latest_cache_index].prefix_cache)); |
| if (prefix.fam == V4) { |
| IPACMDBG_H("cache event(%d) subnet info v4Addr (%x) v4Mask (%x) dev(%s) on entry (%d)\n", |
| event_cache[latest_cache_index].event, |
| event_cache[latest_cache_index].prefix_cache.v4Addr, |
| event_cache[latest_cache_index].prefix_cache.v4Mask, |
| event_cache[latest_cache_index].dev_name, |
| latest_cache_index); |
| } else { |
| IPACMDBG_H("cache event (%d) v6Addr: %08x:%08x:%08x:%08x \n", |
| event_cache[latest_cache_index].event, |
| event_cache[latest_cache_index].prefix_cache.v6Addr[0], |
| event_cache[latest_cache_index].prefix_cache.v6Addr[1], |
| event_cache[latest_cache_index].prefix_cache.v6Addr[2], |
| event_cache[latest_cache_index].prefix_cache.v6Addr[3]); |
| IPACMDBG_H("subnet v6Mask: %08x:%08x:%08x:%08x dev(%s) on entry(%d), \n", |
| event_cache[latest_cache_index].prefix_cache.v6Mask[0], |
| event_cache[latest_cache_index].prefix_cache.v6Mask[1], |
| event_cache[latest_cache_index].prefix_cache.v6Mask[2], |
| event_cache[latest_cache_index].prefix_cache.v6Mask[3], |
| event_cache[latest_cache_index].dev_name, |
| latest_cache_index); |
| } |
| latest_cache_index = (latest_cache_index + 1)% MAX_EVENT_CACHE; |
| break; |
| } |
| latest_cache_index = (latest_cache_index + 1)% MAX_EVENT_CACHE; |
| if(i == MAX_EVENT_CACHE - 1) |
| { |
| IPACMDBG_H(" run out of event cache (%d)\n", i); |
| return FAIL_HARDWARE; |
| } |
| } |
| |
| return SUCCESS; |
| } |
| |
| evt_data = (ipacm_event_ipahal_stream*)malloc(sizeof(ipacm_event_ipahal_stream)); |
| if(evt_data == NULL) |
| { |
| IPACMERR("Failed to allocate memory.\n"); |
| return FAIL_HARDWARE; |
| } |
| memset(evt_data, 0, sizeof(*evt_data)); |
| |
| evt_data->if_index = index; |
| memcpy(&evt_data->prefix, &prefix, sizeof(evt_data->prefix)); |
| |
| memset(&evt, 0, sizeof(ipacm_cmd_q_data)); |
| evt.evt_data = (void*)evt_data; |
| evt.event = IPA_DOWNSTREAM_ADD; |
| |
| IPACMDBG_H("Posting event IPA_DOWNSTREAM_ADD\n"); |
| IPACM_EvtDispatcher::PostEvt(&evt); |
| |
| return SUCCESS; |
| } |
| |
| RET IPACM_OffloadManager::removeDownstream(const char * downstream_name, const Prefix &prefix) |
| { |
| int index; |
| ipacm_cmd_q_data evt; |
| ipacm_event_ipahal_stream *evt_data; |
| |
| IPACMDBG_H("removeDownstream name(%s), ip-family(%d) \n", downstream_name, prefix.fam); |
| if(strnlen(downstream_name, sizeof(downstream_name)) == 0) |
| { |
| IPACMERR("iface length is 0.\n"); |
| return FAIL_HARDWARE; |
| } |
| if (std::find(valid_ifaces.begin(), valid_ifaces.end(), std::string(downstream_name)) == valid_ifaces.end()) |
| { |
| IPACMERR("iface is not present in list.\n"); |
| return FAIL_HARDWARE; |
| } |
| |
| if(ipa_get_if_index(downstream_name, &index)) |
| { |
| IPACMERR("netdev(%s) already removed, ignored\n", downstream_name); |
| return SUCCESS; |
| } |
| |
| evt_data = (ipacm_event_ipahal_stream*)malloc(sizeof(ipacm_event_ipahal_stream)); |
| if(evt_data == NULL) |
| { |
| IPACMERR("Failed to allocate memory.\n"); |
| return FAIL_HARDWARE; |
| } |
| memset(evt_data, 0, sizeof(*evt_data)); |
| |
| evt_data->if_index = index; |
| memcpy(&evt_data->prefix, &prefix, sizeof(evt_data->prefix)); |
| |
| memset(&evt, 0, sizeof(ipacm_cmd_q_data)); |
| evt.evt_data = (void*)evt_data; |
| evt.event = IPA_DOWNSTREAM_DEL; |
| |
| IPACMDBG_H("Posting event IPA_DOWNSTREAM_DEL\n"); |
| IPACM_EvtDispatcher::PostEvt(&evt); |
| |
| return SUCCESS; |
| } |
| |
| RET IPACM_OffloadManager::setUpstream(const char *upstream_name, const Prefix& gw_addr_v4 , const Prefix& gw_addr_v6) |
| { |
| int index; |
| RET result = SUCCESS; |
| bool cache_need = false; |
| |
| /* if interface name is NULL, default route is removed */ |
| if(upstream_name != NULL) |
| { |
| IPACMDBG_H("setUpstream upstream_name(%s), ipv4-fam(%d) ipv6-fam(%d)\n", upstream_name, gw_addr_v4.fam, gw_addr_v6.fam); |
| } |
| else |
| { |
| IPACMDBG_H("setUpstream clean upstream_name for ipv4-fam(%d) ipv6-fam(%d)\n", gw_addr_v4.fam, gw_addr_v6.fam); |
| } |
| if(upstream_name == NULL) |
| { |
| if (default_gw_index == INVALID_IFACE) { |
| result = FAIL_INPUT_CHECK; |
| for (index = 0; index < MAX_EVENT_CACHE; index++) { |
| if (event_cache[index].valid == true && |
| event_cache[index ].event == IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT) { |
| event_cache[index].valid = false; |
| result = SUCCESS; |
| } |
| } |
| IPACMERR("no previous upstream set before\n"); |
| return result; |
| } |
| if (gw_addr_v4.fam == V4 && upstream_v4_up == true) { |
| IPACMDBG_H("clean upstream for ipv4-fam(%d) upstream_v4_up(%d)\n", gw_addr_v4.fam, upstream_v4_up); |
| post_route_evt(IPA_IP_v4, default_gw_index, IPA_WAN_UPSTREAM_ROUTE_DEL_EVENT, gw_addr_v4); |
| upstream_v4_up = false; |
| } |
| if (gw_addr_v6.fam == V6 && upstream_v6_up == true) { |
| IPACMDBG_H("clean upstream for ipv6-fam(%d) upstream_v6_up(%d)\n", gw_addr_v6.fam, upstream_v6_up); |
| post_route_evt(IPA_IP_v6, default_gw_index, IPA_WAN_UPSTREAM_ROUTE_DEL_EVENT, gw_addr_v6); |
| upstream_v6_up = false; |
| } |
| default_gw_index = INVALID_IFACE; |
| } |
| else |
| { |
| /* check if netdev valid on device */ |
| if(ipa_get_if_index(upstream_name, &index)) |
| { |
| IPACMERR("fail to get iface index.\n"); |
| return FAIL_INPUT_CHECK; |
| } |
| |
| /* check if upstream netdev driver finished its configuration on IPA-HW for ipv4 and ipv6 */ |
| if (gw_addr_v4.fam == V4 && IPACM_Iface::ipacmcfg->CheckNatIfaces(upstream_name, IPA_IP_v4)) |
| cache_need = true; |
| if (gw_addr_v6.fam == V6 && IPACM_Iface::ipacmcfg->CheckNatIfaces(upstream_name, IPA_IP_v6)) |
| cache_need = true; |
| |
| if (cache_need) |
| { |
| IPACMDBG_H("setUpstream name(%s) currently not support in ipa \n", upstream_name); |
| /* add ipacm restart support */ |
| push_iface_up(upstream_name, true); |
| |
| /* copy to the cache */ |
| for(int i = 0; i < MAX_EVENT_CACHE ;i++) |
| { |
| if(event_cache[latest_cache_index].valid == false) |
| { |
| //do the copy |
| event_cache[latest_cache_index].valid = true; |
| event_cache[latest_cache_index].event = IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT; |
| memcpy(event_cache[latest_cache_index].dev_name, upstream_name, sizeof(event_cache[latest_cache_index].dev_name)); |
| memcpy(&event_cache[latest_cache_index].prefix_cache, &gw_addr_v4, sizeof(event_cache[latest_cache_index].prefix_cache)); |
| memcpy(&event_cache[latest_cache_index].prefix_cache_v6, &gw_addr_v6, sizeof(event_cache[latest_cache_index].prefix_cache_v6)); |
| if (gw_addr_v4.fam == V4) { |
| IPACMDBG_H("cache event(%d) ipv4 gateway: (%x) dev(%s) on entry (%d)\n", |
| event_cache[latest_cache_index].event, |
| event_cache[latest_cache_index].prefix_cache.v4Addr, |
| event_cache[latest_cache_index].dev_name, |
| latest_cache_index); |
| } |
| |
| if (gw_addr_v6.fam == V6) |
| { |
| IPACMDBG_H("cache event (%d) ipv6 gateway: %08x:%08x:%08x:%08x dev(%s) on entry(%d)\n", |
| event_cache[latest_cache_index].event, |
| event_cache[latest_cache_index].prefix_cache_v6.v6Addr[0], |
| event_cache[latest_cache_index].prefix_cache_v6.v6Addr[1], |
| event_cache[latest_cache_index].prefix_cache_v6.v6Addr[2], |
| event_cache[latest_cache_index].prefix_cache_v6.v6Addr[3], |
| event_cache[latest_cache_index].dev_name, |
| latest_cache_index); |
| } |
| latest_cache_index = (latest_cache_index + 1)% MAX_EVENT_CACHE; |
| break; |
| } |
| latest_cache_index = (latest_cache_index + 1)% MAX_EVENT_CACHE; |
| if(i == MAX_EVENT_CACHE - 1) |
| { |
| IPACMDBG_H(" run out of event cache (%d) \n", i); |
| return FAIL_HARDWARE; |
| } |
| } |
| return SUCCESS; |
| } |
| |
| /* reset the stats when switch from LTE->STA */ |
| if (index != default_gw_index) { |
| IPACMDBG_H(" interface switched to %s\n", upstream_name); |
| if (upstream_v4_up == true) { |
| IPACMDBG_H("clean upstream for ipv4-fam(%d) upstream_v4_up(%d)\n", gw_addr_v4.fam, upstream_v4_up); |
| post_route_evt(IPA_IP_v4, default_gw_index, IPA_WAN_UPSTREAM_ROUTE_DEL_EVENT, gw_addr_v4); |
| upstream_v4_up = false; |
| } |
| if (upstream_v6_up == true) { |
| IPACMDBG_H("clean upstream for ipv6-fam(%d) upstream_v6_up(%d)\n", gw_addr_v6.fam, upstream_v6_up); |
| post_route_evt(IPA_IP_v6, default_gw_index, IPA_WAN_UPSTREAM_ROUTE_DEL_EVENT, gw_addr_v6); |
| upstream_v6_up = false; |
| } |
| default_gw_index = INVALID_IFACE; |
| if(memcmp(upstream_name, "wlan0", sizeof("wlan0")) == 0) |
| { |
| IPACMDBG_H("switch to STA mode, need reset wlan-fw stats\n"); |
| resetTetherStats(upstream_name); |
| } |
| } |
| |
| if (gw_addr_v4.fam == V4 && gw_addr_v6.fam == V6) { |
| |
| if (upstream_v4_up == false) { |
| IPACMDBG_H("IPV4 gateway: 0x%x \n", gw_addr_v4.v4Addr); |
| /* posting route add event for both IPv4 and IPv6 */ |
| post_route_evt(IPA_IP_v4, index, IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT, gw_addr_v4); |
| upstream_v4_up = true; |
| } else { |
| IPACMDBG_H("already setupstream iface(%s) ipv4 previously\n", upstream_name); |
| } |
| |
| if (upstream_v6_up == false) { |
| IPACMDBG_H("IPV6 gateway: %08x:%08x:%08x:%08x \n", |
| gw_addr_v6.v6Addr[0], gw_addr_v6.v6Addr[1], gw_addr_v6.v6Addr[2], gw_addr_v6.v6Addr[3]); |
| /* check v6-address valid or not */ |
| if((gw_addr_v6.v6Addr[0] == 0) && (gw_addr_v6.v6Addr[1] ==0) && (gw_addr_v6.v6Addr[2] == 0) && (gw_addr_v6.v6Addr[3] == 0)) |
| { |
| IPACMDBG_H("Invliad ipv6-address, ignored v6-setupstream\n"); |
| } else { |
| post_route_evt(IPA_IP_v6, index, IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT, gw_addr_v6); |
| upstream_v6_up = true; |
| } |
| } else { |
| IPACMDBG_H("already setupstream iface(%s) ipv6 previously\n", upstream_name); |
| } |
| } else if (gw_addr_v4.fam == V4 ) { |
| IPACMDBG_H("check upstream_v6_up (%d) v4_up (%d), default gw index (%d)\n", upstream_v6_up, upstream_v4_up, default_gw_index); |
| if (upstream_v6_up == true && default_gw_index != INVALID_IFACE ) { |
| /* clean up previous V6 upstream event */ |
| IPACMDBG_H(" Post clean-up v6 default gw on iface %d\n", default_gw_index); |
| post_route_evt(IPA_IP_v6, default_gw_index, IPA_WAN_UPSTREAM_ROUTE_DEL_EVENT, gw_addr_v6); |
| upstream_v6_up = false; |
| } |
| |
| if (upstream_v4_up == false) { |
| IPACMDBG_H("IPV4 gateway: %x \n", gw_addr_v4.v4Addr); |
| /* posting route add event for both IPv4 and IPv6 */ |
| post_route_evt(IPA_IP_v4, index, IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT, gw_addr_v4); |
| upstream_v4_up = true; |
| } else { |
| IPACMDBG_H("already setupstream iface(%s) ipv4 previously\n", upstream_name); |
| result = SUCCESS_DUPLICATE_CONFIG; |
| } |
| } else if (gw_addr_v6.fam == V6) { |
| IPACMDBG_H("check upstream_v6_up (%d) v4_up (%d), default gw index (%d)\n", upstream_v6_up, upstream_v4_up, default_gw_index); |
| if (upstream_v4_up == true && default_gw_index != INVALID_IFACE ) { |
| /* clean up previous V4 upstream event */ |
| IPACMDBG_H(" Post clean-up v4 default gw on iface %d\n", default_gw_index); |
| post_route_evt(IPA_IP_v4, default_gw_index, IPA_WAN_UPSTREAM_ROUTE_DEL_EVENT, gw_addr_v4); |
| upstream_v4_up = false; |
| } |
| |
| if (upstream_v6_up == false) { |
| IPACMDBG_H("IPV6 gateway: %08x:%08x:%08x:%08x \n", |
| gw_addr_v6.v6Addr[0], gw_addr_v6.v6Addr[1], gw_addr_v6.v6Addr[2], gw_addr_v6.v6Addr[3]); |
| /* check v6-address valid or not */ |
| if((gw_addr_v6.v6Addr[0] == 0) && (gw_addr_v6.v6Addr[1] ==0) && (gw_addr_v6.v6Addr[2] == 0) && (gw_addr_v6.v6Addr[3] == 0)) |
| { |
| IPACMDBG_H("Invliad ipv6-address, ignored v6-setupstream\n"); |
| } else { |
| post_route_evt(IPA_IP_v6, index, IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT, gw_addr_v6); |
| upstream_v6_up = true; |
| } |
| } else { |
| IPACMDBG_H("already setupstream iface(%s) ipv6 previously\n", upstream_name); |
| result = SUCCESS_DUPLICATE_CONFIG; |
| } |
| } |
| default_gw_index = index; |
| IPACMDBG_H("Change degault_gw netdev to (%s)\n", upstream_name); |
| } |
| return result; |
| } |
| |
| RET IPACM_OffloadManager::stopAllOffload() |
| { |
| Prefix v4gw, v6gw; |
| RET result = SUCCESS; |
| |
| memset(&v4gw, 0, sizeof(v4gw)); |
| memset(&v6gw, 0, sizeof(v6gw)); |
| v4gw.fam = V4; |
| v6gw.fam = V6; |
| IPACMDBG_H("posting setUpstream(NULL), ipv4-fam(%d) ipv6-fam(%d)\n", v4gw.fam, v6gw.fam); |
| result = setUpstream(NULL, v4gw, v6gw); |
| |
| /* reset the event cache */ |
| default_gw_index = INVALID_IFACE; |
| upstream_v4_up = false; |
| upstream_v6_up = false; |
| memset(event_cache, 0, MAX_EVENT_CACHE*sizeof(framework_event_cache)); |
| latest_cache_index = 0; |
| valid_ifaces.clear(); |
| return result; |
| } |
| |
| RET IPACM_OffloadManager::setQuota(const char * upstream_name /* upstream */, uint64_t mb/* limit */) |
| { |
| wan_ioctl_set_data_quota quota; |
| int fd = -1, rc = 0, err_type = 0; |
| |
| if ((fd = open(DEVICE_NAME, O_RDWR)) < 0) |
| { |
| IPACMERR("Failed opening %s.\n", DEVICE_NAME); |
| return FAIL_HARDWARE; |
| } |
| |
| quota.quota_mbytes = mb; |
| quota.set_quota = true; |
| |
| memset(quota.interface_name, 0, IFNAMSIZ); |
| if (strlcpy(quota.interface_name, upstream_name, IFNAMSIZ) >= IFNAMSIZ) { |
| IPACMERR("String truncation occurred on upstream"); |
| close(fd); |
| return FAIL_INPUT_CHECK; |
| } |
| |
| IPACMDBG_H("SET_DATA_QUOTA %s %lu", quota.interface_name, mb); |
| |
| rc = ioctl(fd, WAN_IOC_SET_DATA_QUOTA, "a); |
| |
| if(rc != 0) |
| { |
| err_type = errno; |
| close(fd); |
| IPACMERR("IOCTL WAN_IOCTL_SET_DATA_QUOTA call failed: %s err_type: %d\n", strerror(err_type), err_type); |
| if (err_type == ENODEV) { |
| IPACMDBG_H("Invalid argument.\n"); |
| return FAIL_UNSUPPORTED; |
| } |
| else { |
| return FAIL_TRY_AGAIN; |
| } |
| } |
| close(fd); |
| return SUCCESS; |
| } |
| |
| RET IPACM_OffloadManager::getStats(const char * upstream_name /* upstream */, |
| bool reset /* reset */, OffloadStatistics& offload_stats/* ret */) |
| { |
| int fd = -1; |
| wan_ioctl_query_tether_stats_all stats; |
| |
| if ((fd = open(DEVICE_NAME, O_RDWR)) < 0) { |
| IPACMERR("Failed opening %s.\n", DEVICE_NAME); |
| return FAIL_HARDWARE; |
| } |
| |
| memset(&stats, 0, sizeof(stats)); |
| if (strlcpy(stats.upstreamIface, upstream_name, IFNAMSIZ) >= IFNAMSIZ) { |
| IPACMERR("String truncation occurred on upstream\n"); |
| close(fd); |
| return FAIL_INPUT_CHECK; |
| } |
| stats.reset_stats = reset; |
| stats.ipa_client = IPACM_CLIENT_MAX; |
| |
| if (ioctl(fd, WAN_IOC_QUERY_TETHER_STATS_ALL, &stats) < 0) { |
| IPACMERR("IOCTL WAN_IOC_QUERY_TETHER_STATS_ALL call failed: %s \n", strerror(errno)); |
| close(fd); |
| return FAIL_TRY_AGAIN; |
| } |
| /* feedback to IPAHAL*/ |
| offload_stats.tx = stats.tx_bytes; |
| offload_stats.rx = stats.rx_bytes; |
| |
| IPACMDBG_H("send getStats tx:%lu rx:%lu \n", offload_stats.tx, offload_stats.rx); |
| close(fd); |
| return SUCCESS; |
| } |
| |
| int IPACM_OffloadManager::post_route_evt(enum ipa_ip_type iptype, int index, ipa_cm_event_id event, const Prefix &gw_addr) |
| { |
| ipacm_cmd_q_data evt; |
| ipacm_event_data_iptype *evt_data_route; |
| |
| evt_data_route = (ipacm_event_data_iptype*)malloc(sizeof(ipacm_event_data_iptype)); |
| if(evt_data_route == NULL) |
| { |
| IPACMERR("Failed to allocate memory.\n"); |
| return -EFAULT; |
| } |
| memset(evt_data_route, 0, sizeof(*evt_data_route)); |
| |
| evt_data_route->if_index = index; |
| evt_data_route->if_index_tether = 0; |
| evt_data_route->iptype = iptype; |
| |
| #ifdef IPA_WAN_MSG_IPv6_ADDR_GW_LEN |
| evt_data_route->ipv4_addr_gw = gw_addr.v4Addr; |
| evt_data_route->ipv6_addr_gw[0] = gw_addr.v6Addr[0]; |
| evt_data_route->ipv6_addr_gw[1] = gw_addr.v6Addr[1]; |
| evt_data_route->ipv6_addr_gw[2] = gw_addr.v6Addr[2]; |
| evt_data_route->ipv6_addr_gw[3] = gw_addr.v6Addr[3]; |
| IPACMDBG_H("default gw ipv4 (%x)\n", evt_data_route->ipv4_addr_gw); |
| IPACMDBG_H("IPV6 gateway: %08x:%08x:%08x:%08x \n", |
| evt_data_route->ipv6_addr_gw[0], evt_data_route->ipv6_addr_gw[1], evt_data_route->ipv6_addr_gw[2], evt_data_route->ipv6_addr_gw[3]); |
| #endif |
| if (event == IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT) { |
| IPACMDBG_H("Received WAN_UPSTREAM_ROUTE_ADD: fid(%d) tether_fid(%d) ip-type(%d)\n", evt_data_route->if_index, |
| evt_data_route->if_index_tether, evt_data_route->iptype); |
| } |
| else if (event == IPA_WAN_UPSTREAM_ROUTE_DEL_EVENT) { |
| IPACMDBG_H("Received WAN_UPSTREAM_ROUTE_DEL: fid(%d) tether_fid(%d) ip-type(%d)\n", |
| evt_data_route->if_index, |
| evt_data_route->if_index_tether, evt_data_route->iptype); |
| } |
| memset(&evt, 0, sizeof(evt)); |
| evt.evt_data = (void*)evt_data_route; |
| evt.event = event; |
| |
| IPACM_EvtDispatcher::PostEvt(&evt); |
| |
| return 0; |
| } |
| |
| int IPACM_OffloadManager::ipa_get_if_index(const char * if_name, int * if_index) |
| { |
| int fd; |
| struct ifreq ifr; |
| |
| if((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) |
| { |
| IPACMERR("get interface index socket create failed \n"); |
| return IPACM_FAILURE; |
| } |
| |
| if(strnlen(if_name, sizeof(if_name)) >= sizeof(ifr.ifr_name)) { |
| IPACMERR("interface name overflows: len %zu\n", strnlen(if_name, sizeof(if_name))); |
| close(fd); |
| return IPACM_FAILURE; |
| } |
| |
| memset(&ifr, 0, sizeof(struct ifreq)); |
| (void)strlcpy(ifr.ifr_name, if_name, sizeof(ifr.ifr_name)); |
| IPACMDBG_H("interface name (%s)\n", if_name); |
| |
| if(ioctl(fd,SIOCGIFINDEX , &ifr) < 0) |
| { |
| IPACMERR("call_ioctl_on_dev: ioctl failed, interface name (%s):\n", ifr.ifr_name); |
| close(fd); |
| return IPACM_FAILURE; |
| } |
| |
| *if_index = ifr.ifr_ifindex; |
| IPACMDBG_H("Interface netdev index %d\n", *if_index); |
| close(fd); |
| return IPACM_SUCCESS; |
| } |
| |
| int IPACM_OffloadManager::resetTetherStats(const char * upstream_name /* upstream */) |
| { |
| int fd = -1; |
| wan_ioctl_reset_tether_stats stats; |
| |
| if ((fd = open(DEVICE_NAME, O_RDWR)) < 0) { |
| IPACMERR("Failed opening %s.\n", DEVICE_NAME); |
| return FAIL_HARDWARE; |
| } |
| |
| memset(stats.upstreamIface, 0, IFNAMSIZ); |
| if (strlcpy(stats.upstreamIface, upstream_name, IFNAMSIZ) >= IFNAMSIZ) { |
| IPACMERR("String truncation occurred on upstream\n"); |
| close(fd); |
| return FAIL_INPUT_CHECK; |
| } |
| stats.reset_stats = true; |
| if (ioctl(fd, WAN_IOC_RESET_TETHER_STATS, &stats) < 0) { |
| IPACMERR("IOCTL WAN_IOC_RESET_TETHER_STATS call failed: %s", strerror(errno)); |
| close(fd); |
| return FAIL_HARDWARE; |
| } |
| IPACMDBG_H("Reset Interface %s stats\n", upstream_name); |
| close(fd); |
| return IPACM_SUCCESS; |
| } |
| |
| IPACM_OffloadManager* IPACM_OffloadManager::GetInstance() |
| { |
| if(pInstance == NULL) |
| pInstance = new IPACM_OffloadManager(); |
| |
| return pInstance; |
| } |
| |
| bool IPACM_OffloadManager::search_framwork_cache(char * interface_name) |
| { |
| bool rel = false; |
| |
| /* IPACM needs to kee old FDs, can't clear */ |
| IPACMDBG_H("check netdev(%s)\n", interface_name); |
| |
| for(int i = 0; i < MAX_EVENT_CACHE ;i++) |
| { |
| if(event_cache[i].valid == true) |
| { |
| //do the compare |
| if (strncmp(event_cache[i].dev_name, |
| interface_name, |
| sizeof(event_cache[i].dev_name)) == 0) |
| { |
| IPACMDBG_H("found netdev (%s) in entry (%d) with event (%d)\n", interface_name, i, event_cache[i].event); |
| /* post event again */ |
| if (event_cache[i].event == IPA_DOWNSTREAM_ADD) |
| addDownstream(interface_name, event_cache[i].prefix_cache); |
| else if (event_cache[i].event == IPA_WAN_UPSTREAM_ROUTE_ADD_EVENT) |
| setUpstream(interface_name, event_cache[i].prefix_cache, event_cache[i].prefix_cache_v6); |
| else |
| IPACMERR("wrong event cached (%d)", event_cache[i].event); |
| event_cache[i].valid = false; |
| rel = true; |
| } |
| } |
| } |
| IPACMDBG_H(" not found netdev (%s) has cached event\n", interface_name); |
| return rel; |
| } |
| |
| int IPACM_OffloadManager::push_iface_up(const char * if_name, bool upstream) |
| { |
| ipacm_cmd_q_data evt_data; |
| ipacm_event_data_fid *data_fid; |
| ipacm_event_data_mac *data = NULL; |
| int index; |
| |
| IPACMDBG_H("name %s, upstream %d\n", |
| if_name, upstream); |
| |
| if(ipa_get_if_index(if_name, &index)) |
| { |
| IPACMERR("netdev(%s) not registered ignored\n", if_name); |
| return SUCCESS; |
| } |
| |
| if(strncmp(if_name, "rmnet_data", 10) == 0 && upstream) |
| { |
| data_fid = (ipacm_event_data_fid *)malloc(sizeof(ipacm_event_data_fid)); |
| if(data_fid == NULL) |
| { |
| IPACMERR("unable to allocate memory for event data_fid\n"); |
| return FAIL_HARDWARE; |
| } |
| data_fid->if_index = index; |
| evt_data.event = IPA_LINK_UP_EVENT; |
| evt_data.evt_data = data_fid; |
| IPACMDBG_H("Posting IPA_LINK_UP_EVENT with if index: %d\n", |
| data_fid->if_index); |
| IPACM_EvtDispatcher::PostEvt(&evt_data); |
| } |
| |
| if(strncmp(if_name, "rndis", 5) == 0 && !upstream) |
| { |
| data_fid = (ipacm_event_data_fid *)malloc(sizeof(ipacm_event_data_fid)); |
| if(data_fid == NULL) |
| { |
| IPACMERR("unable to allocate memory for event data_fid\n"); |
| return FAIL_HARDWARE; |
| } |
| data_fid->if_index = index; |
| evt_data.event = IPA_USB_LINK_UP_EVENT; |
| evt_data.evt_data = data_fid; |
| IPACMDBG_H("Posting usb IPA_LINK_UP_EVENT with if index: %d\n", |
| data_fid->if_index); |
| IPACM_EvtDispatcher::PostEvt(&evt_data); |
| } |
| |
| if((strncmp(if_name, "softap", 6) == 0 || strncmp(if_name, "wlan", 4) == 0 ) && !upstream) |
| { |
| data_fid = (ipacm_event_data_fid *)malloc(sizeof(ipacm_event_data_fid)); |
| if(data_fid == NULL) |
| { |
| IPACMERR("unable to allocate memory for event data_fid\n"); |
| return FAIL_HARDWARE; |
| } |
| data_fid->if_index = index; |
| evt_data.event = IPA_WLAN_AP_LINK_UP_EVENT; |
| evt_data.evt_data = data_fid; |
| IPACMDBG_H("Posting usb IPA_LINK_UP_EVENT with if index: %d\n", |
| data_fid->if_index); |
| IPACM_EvtDispatcher::PostEvt(&evt_data); |
| } |
| |
| if(strncmp(if_name, "wlan", 4) == 0 && upstream) |
| { |
| data = (ipacm_event_data_mac *)malloc(sizeof(ipacm_event_data_mac)); |
| if(data == NULL) |
| { |
| IPACMERR("unable to allocate memory for event_wlan data\n"); |
| return FAIL_HARDWARE; |
| } |
| data->if_index = index; |
| evt_data.event = IPA_WLAN_STA_LINK_UP_EVENT; |
| evt_data.evt_data = data; |
| IPACMDBG_H("Posting IPA_WLAN_STA_LINK_UP_EVENT with if index: %d\n", |
| data_fid->if_index); |
| IPACM_EvtDispatcher::PostEvt(&evt_data); |
| } |
| |
| return IPACM_SUCCESS; |
| } |
| |
| bool IPACM_OffloadManager::push_framework_event(const char * if_name, _ipacm_offload_prefix prefix) |
| { |
| bool ret = false; |
| |
| for(int i = 0; i < MAX_EVENT_CACHE ;i++) |
| { |
| if(event_cache[latest_cache_index].valid == false) |
| { |
| //do the copy |
| event_cache[latest_cache_index].valid = true; |
| event_cache[latest_cache_index].event = IPA_DOWNSTREAM_ADD; |
| memcpy(event_cache[latest_cache_index].dev_name, if_name, |
| sizeof(event_cache[latest_cache_index].dev_name)); |
| memcpy(&event_cache[latest_cache_index].prefix_cache, &prefix, |
| sizeof(event_cache[latest_cache_index].prefix_cache)); |
| |
| if (prefix.iptype == IPA_IP_v4) { |
| IPACMDBG_H("cache event(%d) subnet info v4Addr (%x) v4Mask (%x) dev(%s) on entry (%d)\n", |
| event_cache[latest_cache_index].event, |
| event_cache[latest_cache_index].prefix_cache.v4Addr, |
| event_cache[latest_cache_index].prefix_cache.v4Mask, |
| event_cache[latest_cache_index].dev_name, |
| latest_cache_index); |
| } else { |
| IPACMDBG_H("cache event (%d) v6Addr: %08x:%08x:%08x:%08x \n", |
| event_cache[latest_cache_index].event, |
| event_cache[latest_cache_index].prefix_cache.v6Addr[0], |
| event_cache[latest_cache_index].prefix_cache.v6Addr[1], |
| event_cache[latest_cache_index].prefix_cache.v6Addr[2], |
| event_cache[latest_cache_index].prefix_cache.v6Addr[3]); |
| IPACMDBG_H("subnet v6Mask: %08x:%08x:%08x:%08x dev(%s) on entry(%d),\n", |
| event_cache[latest_cache_index].prefix_cache.v6Mask[0], |
| event_cache[latest_cache_index].prefix_cache.v6Mask[1], |
| event_cache[latest_cache_index].prefix_cache.v6Mask[2], |
| event_cache[latest_cache_index].prefix_cache.v6Mask[3], |
| event_cache[latest_cache_index].dev_name, |
| latest_cache_index); |
| } |
| latest_cache_index = (latest_cache_index + 1)% MAX_EVENT_CACHE; |
| ret = true; |
| break; |
| } |
| latest_cache_index = (latest_cache_index + 1)% MAX_EVENT_CACHE; |
| if(i == MAX_EVENT_CACHE - 1) |
| { |
| IPACMDBG_H(" run out of event cache (%d)\n", i); |
| ret = false; |
| } |
| } |
| return ret; |
| } |