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[91.76.163.205]) by mx.google.com with ESMTPSA id pr9sm8455263lbc.12.2014.12.05.08.20.34 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 05 Dec 2014 08:20:35 -0800 (PST) From: Maxim Uvarov To: lng-odp@lists.linaro.org Date: Fri, 5 Dec 2014 19:20:21 +0300 Message-Id: <1417796424-9909-4-git-send-email-maxim.uvarov@linaro.org> X-Mailer: git-send-email 1.8.5.1.163.gd7aced9 In-Reply-To: <1417796424-9909-1-git-send-email-maxim.uvarov@linaro.org> References: <1417796424-9909-1-git-send-email-maxim.uvarov@linaro.org> X-Topics: patch Subject: [lng-odp] [PATCHv6 3/6] API: pktio: mac addr get function X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , MIME-Version: 1.0 Errors-To: lng-odp-bounces@lists.linaro.org Sender: lng-odp-bounces@lists.linaro.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: maxim.uvarov@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.46 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 Define API to get MAC address for specific packet i/o and implement linux-generic version. Signed-off-by: Maxim Uvarov --- platform/linux-generic/include/api/odp_packet_io.h | 12 +++++++ platform/linux-generic/odp_packet_io.c | 38 ++++++++++++++++++++++ 2 files changed, 50 insertions(+) diff --git a/platform/linux-generic/include/api/odp_packet_io.h b/platform/linux-generic/include/api/odp_packet_io.h index 5df1b13..236f201 100644 --- a/platform/linux-generic/include/api/odp_packet_io.h +++ b/platform/linux-generic/include/api/odp_packet_io.h @@ -175,6 +175,18 @@ int odp_pktio_promisc_mode_set(odp_pktio_t id, odp_bool_t enable); int odp_pktio_promisc_mode(odp_pktio_t id); /** + * Get the default MAC address of a packet IO interface. + * + * @param[in] id ODP packet IO handle. + * @param[out] mac_addr Storage for MAC address of the packet IO interface. + * @param[in] addr_size Storage size for the address + * + * @retval Number of bytes written on success, 0 on failure. + */ +size_t odp_pktio_mac_addr(odp_pktio_t id, void *mac_addr, + size_t addr_size); + +/** * @} */ diff --git a/platform/linux-generic/odp_packet_io.c b/platform/linux-generic/odp_packet_io.c index 7d2d2a4..e8815cd 100644 --- a/platform/linux-generic/odp_packet_io.c +++ b/platform/linux-generic/odp_packet_io.c @@ -21,6 +21,7 @@ #include #include +#include typedef struct { pktio_entry_t entries[ODP_CONFIG_PKTIO_ENTRIES]; @@ -633,3 +634,40 @@ int odp_pktio_promisc_mode(odp_pktio_t id) else return 0; } + +size_t odp_pktio_mac_addr(odp_pktio_t id, void *mac_addr, + size_t addr_size) +{ + pktio_entry_t *entry; + int sockfd; + struct ifreq ifr; + int ret; + + if (addr_size < ETH_ALEN) + return 0; + + entry = get_entry(id); + if (entry == NULL) { + ODP_DBG("pktio entry %d does not exist\n", id); + return 0; + } + + lock_entry(entry); + + sockfd = sockfd_from_pktio_entry(entry); + strncpy(ifr.ifr_name, entry->s.name, IFNAMSIZ - 1); + ifr.ifr_name[IFNAMSIZ - 1] = 0; + + ret = ioctl(sockfd, SIOCGIFHWADDR, &ifr); + if (ret < 0) { + unlock_entry(entry); + ODP_DBG("ioctl SIOCGIFHWADDR error\n"); + return 0; + } + + memcpy(mac_addr, (unsigned char *)ifr.ifr_ifru.ifru_hwaddr.sa_data, + ETH_ALEN); + unlock_entry(entry); + + return ETH_ALEN; +}