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+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 Mellanox Technologies, Ltd
+ */
+
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <net/if_types.h>
+#include <err.h>
+#include <errno.h>
+
+#include <rte_errno.h>
+
+#include "mlx5_inet.h"
+#include "mlx5_common_log.h"
+#include "mlx5_common_utils.h"
+#include "mlx5_malloc.h"
+
+/**
+ * Check all multicast mode is enabled in driver through Socket.
+ *
+ * @param inetsk_fd
+ * Inet socket file descriptor.
+ * @param ifname
+ * ifname buffer of mlx5_get_ifname(dev, ifname) function.
+ * @param port_id
+ * port_id of the port .
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_inet_check_allmulti_flag(int inetsk_fd, char *ifname, uint16_t port_id)
+{
+ struct ifreq ifr;
+ int value;
+
+ if (inetsk_fd < 0)
+ return 0;
+
+ memset(&ifr, 0, sizeof(ifr));
+ (void)strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+
+ if (ioctl(inetsk_fd, SIOCGIFFLAGS, (caddr_t)&ifr) < 0)
+ return -errno;
+
+ value = (ifr.ifr_flags & 0xffff) | (ifr.ifr_flagshigh << 16);
+ if (!(value & IFF_ALLMULTI)) {
+ DRV_LOG(WARNING,
+ "port %u allmulti mode not enabled from kernel, "
+ "please disable it from DPDK", port_id);
+ return -1;
+ }
+ return 0;
+}
+
+/**
+ * Enable promiscuous / all multicast mode through Socket.
+ * We make a copy of ifreq to avoid SIOCIGIFFLAGS overwriting on the union
+ * portion of the ifreq structure.
+ *
+ * @param inetsk_fd
+ * Inet socket file descriptor.
+ * @param ifname_output
+ * ifname buffer of mlx5_get_ifname(dev, ifname) function.
+ * @param flags
+ * IFF_PPROMISC for promiscuous, IFF_ALLMULTI for allmulti.
+ * @param enable
+ * Nonzero to enable, disable otherwise.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_inet_device_flags(int inetsk_fd, char *ifname, int flags, int enable)
+{
+ struct ifreq ifr;
+ int value;
+
+ assert(!(flags & ~(IFF_PPROMISC)));
+ if (inetsk_fd < 0)
+ return 0;
+
+ memset(&ifr, 0, sizeof(ifr));
+ (void)strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+
+ if (ioctl(inetsk_fd, SIOCGIFFLAGS, (caddr_t)&ifr) < 0)
+ return -errno;
+
+ value = (ifr.ifr_flags & 0xffff) | (ifr.ifr_flagshigh << 16);
+ if (enable)
+ value |= flags;
+ else
+ value &= ~flags;
+
+ ifr.ifr_flags = value & 0xffff;
+ ifr.ifr_flagshigh = value >> 16;
+
+ if (ioctl(inetsk_fd, SIOCSIFFLAGS, (caddr_t)&ifr) < 0)
+ return -errno;
+
+ return 0;
+}
+
+/**
+ * Enable promiscuous mode through INET Socket.
+ *
+ * @param inetsk_fd
+ * Inet socket file descriptor.
+ * @param ifname_output
+ * ifname buffer of mlx5_get_ifname(dev, ifname) function.
+ * @param enable
+ * Nonzero to enable, disable otherwise.
+ * @param port_id
+ * port_id of the interface
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_inet_promisc(int inetsk_fd, char *ifname, int enable, uint16_t port_id)
+{
+ int ret = mlx5_inet_device_flags(inetsk_fd, ifname, IFF_PPROMISC, enable);
+
+ if (ret)
+ DRV_LOG(DEBUG,
+ "port %u cannot %s promisc mode: Socket error %s",
+ port_id, enable ? "enable" : "disable",
+ strerror(rte_errno));
+ return ret;
+}
+
+/**
+ * Modify the MAC address neighbour table with INET Socket.
+ *
+ * @param inetsk_fd
+ * Inet socket file descriptor.
+ * @param ifname_output
+ * ifname buffer of mlx5_get_ifname(dev, ifname) function.
+ * @param mac
+ * MAC address to consider.
+ * @param port_id
+ * port_id of the interface
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_inet_mac_addr_modify(int inetsk_fd, char *ifname, struct rte_ether_addr *mac, uint16_t port_id)
+{
+ struct ifreq ifr;
+
+ if (inetsk_fd < 0)
+ return 0;
+
+ memset(&ifr, 0, sizeof(ifr));
+ (void)strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+ ifr.ifr_addr.sa_family = AF_LINK;
+ memcpy(ifr.ifr_addr.sa_data, mac, RTE_ETHER_ADDR_LEN);
+ ifr.ifr_addr.sa_len = RTE_ETHER_ADDR_LEN;
+
+ if (ioctl(inetsk_fd, SIOCSIFLLADDR, &ifr) < 0) {
+ rte_errno = errno;
+ goto error;
+ }
+
+ return 0;
+error:
+ DRV_LOG(DEBUG,
+ "port %u cannot add MAC address %02X:%02X:%02X:%02X:%02X:%02X %s",
+ port_id,
+ mac->addr_bytes[0], mac->addr_bytes[1],
+ mac->addr_bytes[2], mac->addr_bytes[3],
+ mac->addr_bytes[4], mac->addr_bytes[5],
+ strerror(rte_errno));
+ return -rte_errno;
+}
+
+/**
+ * Set a MAC address.
+ *
+ * @param inetsk_fd
+ * Inet socket file descriptor.
+ * @param ifname_output
+ * ifname buffer of mlx5_get_ifname(dev, ifname) function.
+ * @param mac
+ * MAC address to register.
+ * @param index
+ * MAC address index.
+ * @param port_id
+ * port_id of the interface
+ * @param mac_own
+ * Current MAC address.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_inet_mac_addr_set(int inetsk_fd, char *ifname,
+ struct rte_ether_addr *mac, uint32_t index,
+ uint16_t port_id, uint64_t *mac_own)
+{
+ int ret;
+
+ ret = mlx5_inet_mac_addr_modify(inetsk_fd, ifname, mac, port_id);
+ if (!ret)
+ BITFIELD_SET(mac_own, index);
+ if (ret == -EEXIST)
+ return 0;
+ return ret;
+}
+
+/**
+ * DPDK callback to add a MAC address.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param mac_addr
+ * MAC address to register.
+ * @param index
+ * MAC address index.
+ * @param vmdq
+ * VMDq pool index to associate address with (ignored).
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_inet_mac_addr_add(struct rte_ether_addr *mac __rte_unused,
+ uint32_t index __rte_unused,
+ uint32_t vmdq __rte_unused,
+ uint16_t port_id)
+{
+ DRV_LOG(INFO, "port %u add MAC not supported in FreeBSD",
+ port_id);
+ return -EOPNOTSUPP;
+}
+
+/**
+ * Before exiting, make interface LLADDR same as HWADDR
+ *
+ * @param inetsk_fd
+ * Inet socket file descriptor.
+ * @param ifname_output
+ * ifname buffer of mlx5_get_ifname(dev, ifname) function.
+ * @param lladdr
+ * @param port_id
+ * port_id of the interface
+ */
+void
+mlx5_inet_mac_addr_flush(int inetsk_fd, char *ifname,
+ struct rte_ether_addr *lladdr,
+ uint16_t port_id)
+{
+ struct ifreq ifr;
+
+ if (inetsk_fd < 0)
+ return;
+
+ memset(&ifr, 0, sizeof(ifr));
+ (void)strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+ ifr.ifr_addr.sa_family = AF_LINK;
+
+ if (ioctl(inetsk_fd, SIOCGHWADDR, &ifr) < 0)
+ return;
+
+ if (memcmp(ifr.ifr_addr.sa_data, lladdr, RTE_ETHER_ADDR_LEN) == 0)
+ return;
+
+ mlx5_inet_mac_addr_modify(inetsk_fd, ifname,
+ (struct rte_ether_addr *)&ifr.ifr_addr.sa_data,
+ port_id);
+}
+
+/**
+ * Remove a MAC address.
+ *
+ * @param mac
+ * MAC address to remove.
+ * @param index
+ * MAC address index.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+void
+mlx5_inet_mac_addr_remove(uint16_t port_id, uint32_t index __rte_unused)
+{
+ DRV_LOG(INFO,
+ "port %u cannot remove MAC. Operation not supported in FreeBSD",
+ port_id);
+}
+
+/* No bind required on this socket as there are no incoming messages */
+int
+mlx5_inet_init(void)
+{
+ int s;
+
+ s = socket(PF_INET, SOCK_DGRAM, 0);
+ if (s < 0) {
+ rte_errno = errno;
+ return -rte_errno;
+ }
+
+ return s;
+}
new file mode 100644
@@ -0,0 +1,75 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2019 Mellanox Technologies, Ltd
+ */
+
+#ifndef RTE_PMD_MLX5_INET_H_
+#define RTE_PMD_MLX5_INET_H_
+
+#include <net/if.h>
+#include <netinet/in.h>
+
+#include <rte_ether.h>
+
+#include "mlx5_common.h"
+
+
+/* VLAN netdev for VLAN workaround. */
+struct mlx5_nl_vlan_dev {
+ uint32_t refcnt;
+ uint32_t ifindex; /**< Own interface index. */
+};
+
+/*
+ * Array of VLAN devices created on the base of VF
+ * used for workaround in virtual environments.
+ */
+
+struct mlx5_nl_vlan_vmwa_context {
+ int nl_socket;
+ uint32_t vf_ifindex;
+ rte_spinlock_t sl;
+ struct mlx5_nl_vlan_dev vlan_dev[4096];
+};
+
+__rte_internal
+void mlx5_nl_vlan_vmwa_delete(struct mlx5_nl_vlan_vmwa_context *vmwa,
+ uint32_t ifindex);
+
+__rte_internal
+uint32_t mlx5_nl_vlan_vmwa_create(struct mlx5_nl_vlan_vmwa_context *vmwa,
+ uint32_t ifindex, uint16_t tag);
+int
+mlx5_inet_check_allmulti_flag(int inetsk_fd, char *ifname, uint16_t port_id);
+
+int
+mlx5_inet_device_flags(int inetsk_fd, char *ifname, int flags, int enable);
+
+int
+mlx5_inet_promisc(int inetsk_fd, char *ifname, int enable, uint16_t port_id);
+
+int
+mlx5_inet_mac_addr_modify(int inetsk_fd, char *ifname,
+ struct rte_ether_addr *mac, uint16_t port_id);
+
+int
+mlx5_inet_mac_addr_set(int inetsk_fd, char *ifname,
+ struct rte_ether_addr *mac, uint32_t index,
+ uint16_t port_id, uint64_t *mac_own);
+
+int
+mlx5_inet_mac_addr_add(struct rte_ether_addr *mac __rte_unused,
+ uint32_t index __rte_unused,
+ uint32_t vmdq __rte_unused,
+ uint16_t port_id);
+
+void
+mlx5_inet_mac_addr_flush(int inetsk_fd, char *ifname,
+ struct rte_ether_addr *lladdr,
+ uint16_t port_id);
+
+void
+mlx5_inet_mac_addr_remove(uint16_t port_id, uint32_t index __rte_unused);
+
+int
+mlx5_inet_init(void);
+#endif /* RTE_PMD_MLX5_INET_H_ */