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Commit caeae195 authored by Tomasz Wasilczyk's avatar Tomasz Wasilczyk
Browse files

Implement setting hardware address 

Bug: 156784343
Test: manual
Change-Id: I6a533ab15bb93db26261f826bb8e7d8f12824d62
parent 91c3a047

automotive/can/1.0/default/libnetdevice/include/libnetdevice/libnetdevice.h

+8 −0
Original line number Diff line number Diff line
@@ -104,6 +104,14 @@ bool del(std::string dev); 
 */

std::optional<hwaddr_t> getHwAddr(const std::string& ifname);



/**

 * Changes interface's hardware address.

 *

 * \param ifname Interface name

 * \param hwaddr New hardware address to set

 */

bool setHwAddr(const std::string& ifname, hwaddr_t hwaddr);



}  // namespace android::netdevice



bool operator==(const android::netdevice::hwaddr_t lhs, const unsigned char rhs[ETH_ALEN]);

automotive/can/1.0/default/libnetdevice/libnetdevice.cpp

+10 −0
Original line number Diff line number Diff line
@@ -90,6 +90,16 @@ std::optional<hwaddr_t> getHwAddr(const std::string& ifname) { 
    return hwaddr;

}



bool setHwAddr(const std::string& ifname, hwaddr_t hwaddr) {

    auto ifr = ifreqs::fromName(ifname);



    // fetch sa_family

    if (!ifreqs::send(SIOCGIFHWADDR, ifr)) return false;



    memcpy(ifr.ifr_hwaddr.sa_data, hwaddr.data(), hwaddr.size());

    return ifreqs::send(SIOCSIFHWADDR, ifr);

}



}  // namespace android::netdevice



bool operator==(const android::netdevice::hwaddr_t lhs, const unsigned char rhs[ETH_ALEN]) {