[PULL 26/27] linux-user: netlink: Add IFLA_VFINFO_LIST

[Laurent Vivier <laurent@vivier.eu>]

# QEMU_LOG=unimp ip a
  Unknown host QEMU_IFLA type: 22

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211219154514.2165728-2-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/fd-trans.c | 174 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 174 insertions(+)

diff --git a/linux-user/fd-trans.c b/linux-user/fd-trans.c
index 14c19a90b2b0..36e4a4c2aae8 100644
--- a/linux-user/fd-trans.c
+++ b/linux-user/fd-trans.c
@@ -271,6 +271,37 @@ enum {
     QEMU___RTA_MAX
 };
 
+enum {
+    QEMU_IFLA_VF_STATS_RX_PACKETS,
+    QEMU_IFLA_VF_STATS_TX_PACKETS,
+    QEMU_IFLA_VF_STATS_RX_BYTES,
+    QEMU_IFLA_VF_STATS_TX_BYTES,
+    QEMU_IFLA_VF_STATS_BROADCAST,
+    QEMU_IFLA_VF_STATS_MULTICAST,
+    QEMU_IFLA_VF_STATS_PAD,
+    QEMU_IFLA_VF_STATS_RX_DROPPED,
+    QEMU_IFLA_VF_STATS_TX_DROPPED,
+    QEMU__IFLA_VF_STATS_MAX,
+};
+
+enum {
+    QEMU_IFLA_VF_UNSPEC,
+    QEMU_IFLA_VF_MAC,
+    QEMU_IFLA_VF_VLAN,
+    QEMU_IFLA_VF_TX_RATE,
+    QEMU_IFLA_VF_SPOOFCHK,
+    QEMU_IFLA_VF_LINK_STATE,
+    QEMU_IFLA_VF_RATE,
+    QEMU_IFLA_VF_RSS_QUERY_EN,
+    QEMU_IFLA_VF_STATS,
+    QEMU_IFLA_VF_TRUST,
+    QEMU_IFLA_VF_IB_NODE_GUID,
+    QEMU_IFLA_VF_IB_PORT_GUID,
+    QEMU_IFLA_VF_VLAN_LIST,
+    QEMU_IFLA_VF_BROADCAST,
+    QEMU__IFLA_VF_MAX,
+};
+
 TargetFdTrans **target_fd_trans;
 QemuMutex target_fd_trans_lock;
 unsigned int target_fd_max;
@@ -808,6 +839,145 @@ static abi_long host_to_target_data_xdp_nlattr(struct nlattr *nlattr,
     return 0;
 }
 
+static abi_long host_to_target_data_vlan_list_nlattr(struct nlattr *nlattr,
+                                                     void *context)
+{
+    struct ifla_vf_vlan_info *vlan_info;
+
+    switch (nlattr->nla_type) {
+    /* struct ifla_vf_vlan_info */
+    case IFLA_VF_VLAN_INFO:
+        vlan_info = NLA_DATA(nlattr);
+        vlan_info->vf = tswap32(vlan_info->vf);
+        vlan_info->vlan = tswap32(vlan_info->vlan);
+        vlan_info->qos = tswap32(vlan_info->qos);
+        break;
+    default:
+        qemu_log_mask(LOG_UNIMP, "Unknown host VLAN LIST type: %d\n",
+                      nlattr->nla_type);
+        break;
+    }
+    return 0;
+}
+
+static abi_long host_to_target_data_vf_stats_nlattr(struct nlattr *nlattr,
+                                                    void *context)
+{
+    uint64_t *u64;
+
+    switch (nlattr->nla_type) {
+    /* uint64_t */
+    case QEMU_IFLA_VF_STATS_RX_PACKETS:
+    case QEMU_IFLA_VF_STATS_TX_PACKETS:
+    case QEMU_IFLA_VF_STATS_RX_BYTES:
+    case QEMU_IFLA_VF_STATS_TX_BYTES:
+    case QEMU_IFLA_VF_STATS_BROADCAST:
+    case QEMU_IFLA_VF_STATS_MULTICAST:
+    case QEMU_IFLA_VF_STATS_PAD:
+    case QEMU_IFLA_VF_STATS_RX_DROPPED:
+    case QEMU_IFLA_VF_STATS_TX_DROPPED:
+        u64 = NLA_DATA(nlattr);
+        *u64 = tswap64(*u64);
+        break;
+    default:
+        qemu_log_mask(LOG_UNIMP, "Unknown host VF STATS type: %d\n",
+                      nlattr->nla_type);
+        break;
+    }
+    return 0;
+}
+
+static abi_long host_to_target_data_vfinfo_nlattr(struct nlattr *nlattr,
+                                                  void *context)
+{
+    struct ifla_vf_mac *mac;
+    struct ifla_vf_vlan *vlan;
+    struct ifla_vf_vlan_info *vlan_info;
+    struct ifla_vf_spoofchk *spoofchk;
+    struct ifla_vf_rate *rate;
+    struct ifla_vf_link_state *link_state;
+    struct ifla_vf_rss_query_en *rss_query_en;
+    struct ifla_vf_trust *trust;
+    struct ifla_vf_guid *guid;
+
+    switch (nlattr->nla_type) {
+    /* struct ifla_vf_mac */
+    case QEMU_IFLA_VF_MAC:
+        mac = NLA_DATA(nlattr);
+        mac->vf = tswap32(mac->vf);
+        break;
+    /* struct ifla_vf_broadcast */
+    case QEMU_IFLA_VF_BROADCAST:
+        break;
+    /* struct struct ifla_vf_vlan */
+    case QEMU_IFLA_VF_VLAN:
+        vlan = NLA_DATA(nlattr);
+        vlan->vf = tswap32(vlan->vf);
+        vlan->vlan = tswap32(vlan->vlan);
+        vlan->qos = tswap32(vlan->qos);
+        break;
+    /* struct ifla_vf_vlan_info */
+    case QEMU_IFLA_VF_TX_RATE:
+        vlan_info = NLA_DATA(nlattr);
+        vlan_info->vf = tswap32(vlan_info->vf);
+        vlan_info->vlan = tswap32(vlan_info->vlan);
+        vlan_info->qos = tswap32(vlan_info->qos);
+        break;
+    /* struct ifla_vf_spoofchk */
+    case QEMU_IFLA_VF_SPOOFCHK:
+        spoofchk = NLA_DATA(nlattr);
+        spoofchk->vf = tswap32(spoofchk->vf);
+        spoofchk->setting = tswap32(spoofchk->setting);
+        break;
+    /* struct ifla_vf_rate */
+    case QEMU_IFLA_VF_RATE:
+        rate = NLA_DATA(nlattr);
+        rate->vf = tswap32(rate->vf);
+        rate->min_tx_rate = tswap32(rate->min_tx_rate);
+        rate->max_tx_rate = tswap32(rate->max_tx_rate);
+        break;
+    /* struct ifla_vf_link_state */
+    case QEMU_IFLA_VF_LINK_STATE:
+        link_state = NLA_DATA(nlattr);
+        link_state->vf = tswap32(link_state->vf);
+        link_state->link_state = tswap32(link_state->link_state);
+        break;
+    /* struct ifla_vf_rss_query_en */
+    case QEMU_IFLA_VF_RSS_QUERY_EN:
+        rss_query_en = NLA_DATA(nlattr);
+        rss_query_en->vf = tswap32(rss_query_en->vf);
+        rss_query_en->setting = tswap32(rss_query_en->setting);
+        break;
+    /* struct ifla_vf_trust */
+    case QEMU_IFLA_VF_TRUST:
+        trust = NLA_DATA(nlattr);
+        trust->vf = tswap32(trust->vf);
+        trust->setting = tswap32(trust->setting);
+        break;
+    /* struct ifla_vf_guid  */
+    case QEMU_IFLA_VF_IB_NODE_GUID:
+    case QEMU_IFLA_VF_IB_PORT_GUID:
+        guid = NLA_DATA(nlattr);
+        guid->vf = tswap32(guid->vf);
+        guid->guid = tswap32(guid->guid);
+        break;
+    /* nested */
+    case QEMU_IFLA_VF_VLAN_LIST:
+        return host_to_target_for_each_nlattr(RTA_DATA(nlattr), nlattr->nla_len,
+                                              NULL,
+                                          host_to_target_data_vlan_list_nlattr);
+    case QEMU_IFLA_VF_STATS:
+        return host_to_target_for_each_nlattr(RTA_DATA(nlattr), nlattr->nla_len,
+                                              NULL,
+                                           host_to_target_data_vf_stats_nlattr);
+    default:
+        qemu_log_mask(LOG_UNIMP, "Unknown host VFINFO type: %d\n",
+                      nlattr->nla_type);
+        break;
+    }
+    return 0;
+}
+
 static abi_long host_to_target_data_link_rtattr(struct rtattr *rtattr)
 {
     uint32_t *u32;
@@ -945,6 +1115,10 @@ static abi_long host_to_target_data_link_rtattr(struct rtattr *rtattr)
         return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len,
                                               NULL,
                                                 host_to_target_data_xdp_nlattr);
+    case QEMU_IFLA_VFINFO_LIST:
+        return host_to_target_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len,
+                                              NULL,
+                                             host_to_target_data_vfinfo_nlattr);
     default:
         qemu_log_mask(LOG_UNIMP, "Unknown host QEMU_IFLA type: %d\n",
                       rtattr->rta_type);
-- 
2.33.1