From: Mykyta Iziumtsev <mykyta.iziumt...@linaro.org> Add helper function to query RX/TX queue lengths on network interface to facilitate upcoming native and mediated device drivers.
Signed-off-by: Mykyta Iziumtsev <mykyta.iziumt...@linaro.org> --- /** Email created from pull request 359 (MykytaI:caterpillar_mdev_auxiliary) ** https://github.com/Linaro/odp/pull/359 ** Patch: https://github.com/Linaro/odp/pull/359.patch ** Base sha: bbbe6c0ef65c16f6d7d327712f177fbf6740e96f ** Merge commit sha: 7766a11fc4f83aeb2d92df6ea192304b21572529 **/ platform/linux-generic/pktio/ethtool.c | 19 +++++++++++++++++-- platform/linux-generic/pktio/ethtool.h | 27 +++++++++++++++++++++++++-- 2 files changed, 42 insertions(+), 4 deletions(-) diff --git a/platform/linux-generic/pktio/ethtool.c b/platform/linux-generic/pktio/ethtool.c index b71666a32..119ad75a4 100644 --- a/platform/linux-generic/pktio/ethtool.c +++ b/platform/linux-generic/pktio/ethtool.c @@ -159,12 +159,27 @@ static int ethtool_stats(int fd, struct ifreq *ifr, odp_pktio_stats_t *stats) return 0; } -int ethtool_stats_get_fd(int fd, const char *name, odp_pktio_stats_t *stats) +int ethtool_stats_get_fd(int fd, const char *netif_name, + odp_pktio_stats_t *stats) { struct ifreq ifr; memset(&ifr, 0, sizeof(ifr)); - snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", name); + snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", netif_name); return ethtool_stats(fd, &ifr, stats); } + +int ethtool_ringparam_get_fd(int fd, const char *netif_name, + struct ethtool_ringparam *param) +{ + struct ifreq ifr; + + memset(&ifr, 0, sizeof(ifr)); + snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", netif_name); + + param->cmd = ETHTOOL_GRINGPARAM; + ifr.ifr_data = (void *)param; + + return ioctl(fd, SIOCETHTOOL, &ifr); +} diff --git a/platform/linux-generic/pktio/ethtool.h b/platform/linux-generic/pktio/ethtool.h index c5a811238..c330c2e31 100644 --- a/platform/linux-generic/pktio/ethtool.h +++ b/platform/linux-generic/pktio/ethtool.h @@ -7,9 +7,32 @@ #ifndef ODP_PKTIO_ETHTOOL_H_ #define ODP_PKTIO_ETHTOOL_H_ +#include <linux/ethtool.h> + +/** + * Get statistics for a network interface + * + * @param fd Arbitrary socket file descriptor + * @param netif_name Network interface name + * @param stats[out] Output buffer for counters + * + * @retval 0 on success + * @retval != 0 on failure + */ +int ethtool_stats_get_fd(int fd, const char *netif_name, + odp_pktio_stats_t *stats); + /** - * Get ethtool statistics of a packet socket + * Get RX/TX queue parameters for a network interface + * + * @param fd Arbitrary socket file descriptor + * @param netif_name Network interface name + * @param param[out] Output buffer for parameters + * + * @retval 0 on success + * @retval != 0 on failure */ -int ethtool_stats_get_fd(int fd, const char *name, odp_pktio_stats_t *stats); +int ethtool_ringparam_get_fd(int fd, const char *netif_name, + struct ethtool_ringparam *param); #endif /*ODP_PKTIO_ETHTOOL_H_*/
