net: bundle all offloads in a single struct

The set_offload() argument list is already pretty long and
we are going to introduce soon a bunch of additional offloads.

Replace the offload arguments with a single struct and update
all the relevant call-sites.

No functional changes intended.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <a9d4dd043b8c71b791e9ff05e17ef06072d9714e.1758549625.git.pabeni@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

hw/net/e1000e_core.c

@@ -2822,8 +2822,9 @@ e1000e_update_rx_offloads(E1000ECore *core)
     trace_e1000e_rx_set_cso(cso_state);
 
     if (core->has_vnet) {
-        qemu_set_offload(qemu_get_queue(core->owner_nic)->peer,
+        NetOffloads ol = { .csum = cso_state };
-                         cso_state, 0, 0, 0, 0, 0, 0);
+
+        qemu_set_offload(qemu_get_queue(core->owner_nic)->peer, &ol);
     }
 }
 

hw/net/igb_core.c

@@ -3058,8 +3058,9 @@ igb_update_rx_offloads(IGBCore *core)
     trace_e1000e_rx_set_cso(cso_state);
 
     if (core->has_vnet) {
-        qemu_set_offload(qemu_get_queue(core->owner_nic)->peer,
+        NetOffloads ol = {.csum = cso_state };
-                         cso_state, 0, 0, 0, 0, 0, 0);
+
+        qemu_set_offload(qemu_get_queue(core->owner_nic)->peer, &ol);
     }
 }
 

hw/net/virtio-net.c

@@ -773,14 +773,17 @@ static uint64_t virtio_net_bad_features(VirtIODevice *vdev)
 
 static void virtio_net_apply_guest_offloads(VirtIONet *n)
 {
-    qemu_set_offload(qemu_get_queue(n->nic)->peer,
+    NetOffloads ol = {
-            !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_CSUM)),
+       .csum = !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_CSUM)),
-            !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_TSO4)),
+       .tso4 = !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_TSO4)),
-            !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_TSO6)),
+       .tso6 = !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_TSO6)),
-            !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_ECN)),
+       .ecn  = !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_ECN)),
-            !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_UFO)),
+       .ufo  = !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_UFO)),
-            !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_USO4)),
+       .uso4 = !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_USO4)),
-            !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_USO6)));
+       .uso6 = !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_USO6)),
+    };
+
+    qemu_set_offload(qemu_get_queue(n->nic)->peer, &ol);
 }
 
 static uint64_t virtio_net_guest_offloads_by_features(uint64_t features)

hw/net/vmxnet3.c

@@ -1322,14 +1322,11 @@ static void vmxnet3_update_features(VMXNET3State *s)
               s->lro_supported, rxcso_supported,
               s->rx_vlan_stripping);
     if (s->peer_has_vhdr) {
-        qemu_set_offload(qemu_get_queue(s->nic)->peer,
+        NetOffloads ol = { .csum = rxcso_supported,
-                         rxcso_supported,
+                           .tso4 = s->lro_supported,
-                         s->lro_supported,
+                           .tso6 = s->lro_supported };
-                         s->lro_supported,
+
-                         0,
+        qemu_set_offload(qemu_get_queue(s->nic)->peer, &ol);
-                         0,
-                         0,
-                         0);
     }
 }
 

include/net/net.h

@@ -35,6 +35,16 @@ typedef struct NICConf {
     int32_t bootindex;
 } NICConf;
 
+typedef struct NetOffloads {
+    bool csum;
+    bool tso4;
+    bool tso6;
+    bool ecn;
+    bool ufo;
+    bool uso4;
+    bool uso6;
+} NetOffloads;
+
 #define DEFINE_NIC_PROPERTIES(_state, _conf)                            \
     DEFINE_PROP_MACADDR("mac",   _state, _conf.macaddr),                \
     DEFINE_PROP_NETDEV("netdev", _state, _conf.peers)
@@ -57,7 +67,7 @@ typedef bool (HasUfo)(NetClientState *);
 typedef bool (HasUso)(NetClientState *);
 typedef bool (HasVnetHdr)(NetClientState *);
 typedef bool (HasVnetHdrLen)(NetClientState *, int);
-typedef void (SetOffload)(NetClientState *, int, int, int, int, int, int, int);
+typedef void (SetOffload)(NetClientState *, const NetOffloads *);
 typedef int (GetVnetHdrLen)(NetClientState *);
 typedef void (SetVnetHdrLen)(NetClientState *, int);
 typedef bool (GetVnetHashSupportedTypes)(NetClientState *, uint32_t *);
@@ -189,8 +199,7 @@ bool qemu_has_ufo(NetClientState *nc);
 bool qemu_has_uso(NetClientState *nc);
 bool qemu_has_vnet_hdr(NetClientState *nc);
 bool qemu_has_vnet_hdr_len(NetClientState *nc, int len);
-void qemu_set_offload(NetClientState *nc, int csum, int tso4, int tso6,
+void qemu_set_offload(NetClientState *nc, const NetOffloads *ol);
-                      int ecn, int ufo, int uso4, int uso6);
 int qemu_get_vnet_hdr_len(NetClientState *nc);
 void qemu_set_vnet_hdr_len(NetClientState *nc, int len);
 bool qemu_get_vnet_hash_supported_types(NetClientState *nc, uint32_t *types);

net/net.c

@@ -540,14 +540,13 @@ bool qemu_has_vnet_hdr_len(NetClientState *nc, int len)
     return nc->info->has_vnet_hdr_len(nc, len);
 }
 
-void qemu_set_offload(NetClientState *nc, int csum, int tso4, int tso6,
+void qemu_set_offload(NetClientState *nc, const NetOffloads *ol)
-                          int ecn, int ufo, int uso4, int uso6)
 {
     if (!nc || !nc->info->set_offload) {
         return;
     }
 
-    nc->info->set_offload(nc, csum, tso4, tso6, ecn, ufo, uso4, uso6);
+    nc->info->set_offload(nc, ol);
 }
 
 int qemu_get_vnet_hdr_len(NetClientState *nc)

net/netmap.c

@@ -366,8 +366,7 @@ static void netmap_set_vnet_hdr_len(NetClientState *nc, int len)
     }
 }
 
-static void netmap_set_offload(NetClientState *nc, int csum, int tso4, int tso6,
+static void netmap_set_offload(NetClientState *nc, const NetOffloads *ol)
-                               int ecn, int ufo, int uso4, int uso6)
 {
     NetmapState *s = DO_UPCAST(NetmapState, nc, nc);
 

net/tap-bsd.c

@@ -239,8 +239,7 @@ int tap_fd_set_vnet_be(int fd, int is_be)
     return -EINVAL;
 }
 
-void tap_fd_set_offload(int fd, int csum, int tso4,
+void tap_fd_set_offload(int fd, const NetOffloads *ol)
-                        int tso6, int ecn, int ufo, int uso4, int uso6)
 {
 }
 

net/tap-linux.c

@@ -244,8 +244,7 @@ int tap_fd_set_vnet_be(int fd, int is_be)
     abort();
 }
 
-void tap_fd_set_offload(int fd, int csum, int tso4,
+void tap_fd_set_offload(int fd, const NetOffloads *ol)
-                        int tso6, int ecn, int ufo, int uso4, int uso6)
 {
     unsigned int offload = 0;
 
@@ -254,20 +253,24 @@ void tap_fd_set_offload(int fd, int csum, int tso4,
         return;
     }
 
-    if (csum) {
+    if (ol->csum) {
         offload |= TUN_F_CSUM;
-        if (tso4)
+        if (ol->tso4) {
             offload |= TUN_F_TSO4;
-        if (tso6)
+        }
+        if (ol->tso6) {
             offload |= TUN_F_TSO6;
-        if ((tso4 || tso6) && ecn)
+        }
+        if ((ol->tso4 || ol->tso6) && ol->ecn) {
             offload |= TUN_F_TSO_ECN;
-        if (ufo)
+        }
+        if (ol->ufo) {
             offload |= TUN_F_UFO;
-        if (uso4) {
+        }
+        if (ol->uso4) {
             offload |= TUN_F_USO4;
         }
-        if (uso6) {
+        if (ol->uso6) {
             offload |= TUN_F_USO6;
         }
     }

net/tap-solaris.c

@@ -27,6 +27,7 @@
 #include "tap_int.h"
 #include "qemu/ctype.h"
 #include "qemu/cutils.h"
+#include "net/net.h"
 
 #include <sys/ethernet.h>
 #include <sys/sockio.h>
@@ -240,8 +241,7 @@ int tap_fd_set_vnet_be(int fd, int is_be)
     return -EINVAL;
 }
 
-void tap_fd_set_offload(int fd, int csum, int tso4,
+void tap_fd_set_offload(int fd, const NetOffloads *ol)
-                        int tso6, int ecn, int ufo, int uso4, int uso6)
 {
 }
 

net/tap-stub.c

@@ -66,8 +66,7 @@ int tap_fd_set_vnet_be(int fd, int is_be)
     return -EINVAL;
 }
 
-void tap_fd_set_offload(int fd, int csum, int tso4,
+void tap_fd_set_offload(int fd, const NetOffloads *ol)
-                        int tso6, int ecn, int ufo, int uso4, int uso6)
 {
 }
 

net/tap.c

@@ -285,15 +285,14 @@ static int tap_set_vnet_be(NetClientState *nc, bool is_be)
     return tap_fd_set_vnet_be(s->fd, is_be);
 }
 
-static void tap_set_offload(NetClientState *nc, int csum, int tso4,
+static void tap_set_offload(NetClientState *nc, const NetOffloads *ol)
-                     int tso6, int ecn, int ufo, int uso4, int uso6)
 {
     TAPState *s = DO_UPCAST(TAPState, nc, nc);
     if (s->fd < 0) {
         return;
     }
 
-    tap_fd_set_offload(s->fd, csum, tso4, tso6, ecn, ufo, uso4, uso6);
+    tap_fd_set_offload(s->fd, ol);
 }
 
 static void tap_exit_notify(Notifier *notifier, void *data)
@@ -391,6 +390,7 @@ static TAPState *net_tap_fd_init(NetClientState *peer,
                                  int fd,
                                  int vnet_hdr)
 {
+    NetOffloads ol = {};
     NetClientState *nc;
     TAPState *s;
 
@@ -404,7 +404,7 @@ static TAPState *net_tap_fd_init(NetClientState *peer,
     s->has_ufo = tap_probe_has_ufo(s->fd);
     s->has_uso = tap_probe_has_uso(s->fd);
     s->enabled = true;
-    tap_set_offload(&s->nc, 0, 0, 0, 0, 0, 0, 0);
+    tap_set_offload(&s->nc, &ol);
     /*
      * Make sure host header length is set correctly in tap:
      * it might have been modified by another instance of qemu.

net/tap_int.h

@@ -27,6 +27,7 @@
 #define NET_TAP_INT_H
 
 #include "qapi/qapi-types-net.h"
+#include "net/net.h"
 
 int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
              int vnet_hdr_required, int mq_required, Error **errp);
@@ -37,8 +38,7 @@ void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp);
 int tap_probe_vnet_hdr(int fd, Error **errp);
 int tap_probe_has_ufo(int fd);
 int tap_probe_has_uso(int fd);
-void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo,
+void tap_fd_set_offload(int fd, const NetOffloads *ol);
-                        int uso4, int uso6);
 void tap_fd_set_vnet_hdr_len(int fd, int len);
 int tap_fd_set_vnet_le(int fd, int vnet_is_le);
 int tap_fd_set_vnet_be(int fd, int vnet_is_be);